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dunkaist |
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;;================================================================================================;; |
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;;//// libimg.asm //// (c) mike.dld, 2007-2008, (c) diamond, 2009, (c) dunkaist, 2011-2013 ///////;; |
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;;================================================================================================;; |
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;; ;; |
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;; This file is part of Common development libraries (Libs-Dev). ;; |
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;; ;; |
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;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;; |
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;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;; |
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;; of the License, or (at your option) any later version. ;; |
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;; ;; |
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;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;; |
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;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;; |
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;; Lesser General Public License for more details. ;; |
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;; ;; |
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;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;; |
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;; If not, see . ;; |
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;; ;; |
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;;================================================================================================;; |
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format MS COFF |
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public @EXPORT as 'EXPORTS' |
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include '../../../../struct.inc' |
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include '../../../../proc32.inc' |
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include '../../../../macros.inc' |
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include '../../../../config.inc' |
| 7105 |
dunkaist |
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include '../../../../debug-fdo.inc' |
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__DEBUG__ = 0 |
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__DEBUG_LEVEL__ = 1 |
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include '../../../../develop/libraries/libs-dev/libio/libio.inc' |
| 6807 |
dunkaist |
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purge section,mov,add,sub |
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include 'libimg.inc' |
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section '.flat' code readable align 16 |
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include 'bmp/bmp.asm' |
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include 'gif/gif.asm' |
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include 'jpeg/jpeg.asm' |
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include 'png/png.asm' |
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include 'tga/tga.asm' |
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include 'z80/z80.asm' |
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include 'ico_cur/ico_cur.asm' |
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include 'pcx/pcx.asm' |
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include 'xcf/xcf.asm' |
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include 'tiff/tiff.asm' |
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include 'pnm/pnm.asm' |
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include 'wbmp/wbmp.asm' |
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include 'xbm/xbm.asm' |
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include 'scale.asm' |
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include 'convert.asm' |
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;;================================================================================================;; |
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proc lib_init ;///////////////////////////////////////////////////////////////////////////////////;; |
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;;------------------------------------------------------------------------------------------------;; |
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;? Library entry point (called after library load) ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;> eax = pointer to memory allocation routine ;; |
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;> ebx = pointer to memory freeing routine ;; |
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;> ecx = pointer to memory reallocation routine ;; |
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;> edx = pointer to library loading routine ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;< eax = 1 (fail) / 0 (ok) (library initialization result) ;; |
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;;================================================================================================;; |
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mov [mem.alloc], eax |
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mov [mem.free], ebx |
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mov [mem.realloc], ecx |
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mov [dll.load], edx |
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or edx,edx |
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jz @f |
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invoke dll.load, @IMPORT |
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@@: |
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call img.initialize.jpeg |
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xor eax, eax |
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cpuid |
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cmp ecx, 'ntel' |
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jnz @f |
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mov dword [img._.do_rgb.handlers + (Image.bpp15-1)*4], img._.do_rgb.bpp15.intel |
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mov dword [img._.do_rgb.handlers + (Image.bpp16-1)*4], img._.do_rgb.bpp16.intel |
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@@: |
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.ok: xor eax,eax |
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ret |
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endp |
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;;================================================================================================;; |
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proc img.is_img _data, _length ;//////////////////////////////////////////////////////////////////;; |
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;;------------------------------------------------------------------------------------------------;; |
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;? --- TBD --- ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;> --- TBD --- ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;< --- TBD --- ;; |
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;;================================================================================================;; |
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push ebx |
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mov ebx, img.formats_table |
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@@: stdcall [ebx + FormatsTableEntry.Is], [_data], [_length] |
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or eax, eax |
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jnz @f |
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add ebx, sizeof.FormatsTableEntry |
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cmp dword[ebx], 0 |
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jnz @b |
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xor eax, eax |
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@@: pop ebx |
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ret |
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endp |
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;;================================================================================================;; |
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proc img.info _data, _length ;////////////////////////////////////////////////////////////////////;; |
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;;------------------------------------------------------------------------------------------------;; |
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;? --- TBD --- ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;> --- TBD --- ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;< --- TBD --- ;; |
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;;================================================================================================;; |
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xor eax, eax |
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ret |
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endp |
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;;================================================================================================;; |
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proc img.from_file _filename ;////////////////////////////////////////////////////////////////////;; |
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;;------------------------------------------------------------------------------------------------;; |
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dunkaist |
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;? load file from disk and decode it ;; |
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dunkaist |
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;;------------------------------------------------------------------------------------------------;; |
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dunkaist |
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;> [_filename] = file name as passed to libio ;; |
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dunkaist |
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;;------------------------------------------------------------------------------------------------;; |
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;< eax = 0 / pointer to image ;; |
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;;================================================================================================;; |
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dunkaist |
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locals |
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fd dd ? |
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img_data_len dd ? |
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img_data dd ? ; raw bytes |
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img dd ? ; Image pointer |
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endl |
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push ebx |
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mov [img], 0 |
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invoke file.open, [_filename], O_READ |
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mov [fd], eax |
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test eax, eax |
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jz .exit |
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invoke file.size, [_filename] |
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test eax, eax |
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jnz .exit_close |
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mov [img_data_len], ebx |
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invoke mem.alloc, ebx |
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test eax, eax |
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jz .exit_close |
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mov [img_data], eax |
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invoke file.read, [fd], eax, [img_data_len] |
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cmp eax, -1 |
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jz .exit_free_close |
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cmp eax, [img_data_len] |
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jnz .exit_free_close |
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stdcall img.decode, [img_data], [img_data_len], 0 |
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test eax, eax |
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jz .exit_free_close |
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mov [img], eax |
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.exit_free_close: |
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invoke mem.free, [img_data] |
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.exit_close: |
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invoke file.close, [fd] |
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mov eax, [img] |
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.exit: |
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pop ebx |
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ret |
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dunkaist |
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endp |
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;;================================================================================================;; |
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proc img.to_file _img, _filename ;////////////////////////////////////////////////////////////////;; |
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;;------------------------------------------------------------------------------------------------;; |
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;? --- TBD --- ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;> --- TBD --- ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;< eax = false / true ;; |
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;;================================================================================================;; |
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xor eax, eax |
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ret |
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endp |
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;;================================================================================================;; |
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proc img.from_rgb _rgb_data ;/////////////////////////////////////////////////////////////////////;; |
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;;------------------------------------------------------------------------------------------------;; |
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;? --- TBD --- ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;> --- TBD --- ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;< eax = 0 / pointer to image ;; |
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;;================================================================================================;; |
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xor eax, eax |
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ret |
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endp |
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;;================================================================================================;; |
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proc img.to_rgb2 _img, _out ;/////////////////////////////////////////////////////////////////////;; |
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;;------------------------------------------------------------------------------------------------;; |
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;? decodes image data into RGB triplets and stores them where [_out] points to ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;> [_img] = pointer to source image ;; |
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;> [_out] = where to store RGB triplets ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;< none ;; |
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;;================================================================================================;; |
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push esi edi |
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mov esi, [_img] |
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stdcall img._.validate, esi |
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or eax, eax |
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jnz .ret |
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mov edi, [_out] |
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call img._.do_rgb |
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.ret: |
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pop edi esi |
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ret |
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endp |
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;;================================================================================================;; |
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proc img.to_rgb _img ;////////////////////////////////////////////////////////////////////////////;; |
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;;------------------------------------------------------------------------------------------------;; |
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;? decodes image data into RGB triplets and returns pointer to memory area of following structure:;; |
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;? width dd ? ;; |
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;? height dd ? ;; |
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;? rgb triplets ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;> [_img] = pointer to source image ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;< eax = 0 / pointer to rgb_data (array of [rgb] triplets) ;; |
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;;================================================================================================;; |
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push esi edi |
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mov esi, [_img] |
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stdcall img._.validate, esi |
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or eax, eax |
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jnz .error |
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mov esi, [_img] |
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mov ecx, [esi + Image.Width] |
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imul ecx, [esi + Image.Height] |
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lea eax, [ecx * 3 + 4 * 3] |
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invoke mem.alloc, eax |
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or eax, eax |
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jz .error |
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mov edi, eax |
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push eax |
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mov eax, [esi + Image.Width] |
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stosd |
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mov eax, [esi + Image.Height] |
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stosd |
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call img._.do_rgb |
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pop eax |
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pop edi esi |
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ret |
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.error: |
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xor eax, eax |
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pop edi esi |
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ret |
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endp |
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;;================================================================================================;; |
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proc img._.do_rgb ;///////////////////////////////////////////////////////////////////////////////;; |
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;;------------------------------------------------------------------------------------------------;; |
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;? decodes [esi + Image.Data] data into RGB triplets and stores them at [edi] ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;> esi = pointer to source image ;; |
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;> edi = pointer to memory to store RGB triplets ;; |
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;;------------------------------------------------------------------------------------------------;; |
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;< none ;; |
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;;================================================================================================;; |
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mov ecx, [esi + Image.Width] |
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imul ecx, [esi + Image.Height] |
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mov eax, [esi + Image.Type] |
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jmp dword [.handlers + (eax-1)*4] |
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align 16 |
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.bpp8i: |
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; 8 BPP WITH PALETTE -> 24 BPP |
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push ebx |
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mov ebx, [esi + Image.Palette] |
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mov esi, [esi + Image.Data] |
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sub ecx, 1 |
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jz .bpp8i.last |
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@@: |
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movzx eax, byte [esi] |
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add esi, 1 |
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mov eax, [ebx + eax*4] |
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mov [edi], eax |
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add edi, 3 |
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sub ecx, 1 |
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jnz @b |
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.bpp8i.last: |
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movzx eax, byte [esi] |
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mov eax, [ebx + eax*4] |
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mov [edi], ax |
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shr eax, 16 |
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mov [edi+2], al |
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pop ebx |
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ret |
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align 16 |
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.bpp8g: |
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; 8 BPP GRAYSCALE -> 24 BPP |
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mov esi, [esi + Image.Data] |
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@@: |
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311 |
lodsb |
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mov ah, al |
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313 |
stosb |
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stosw |
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dec ecx |
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316 |
jnz @b |
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ret |
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; |
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;align 16 |
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;.bpp8a: ; considered application layer, may be changed in the future |
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;; 8a BPP -> 24 BPP |
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; mov esi, [esi + Image.Data] |
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;@@: |
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; lodsw |
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; mov ah, al |
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; stosb |
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; stosw |
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; dec ecx |
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; jnz @b |
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; ret |
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331 |
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332 |
; 15 BPP -> 24 BPP |
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.bpp15.intel: |
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push ebx ebp |
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335 |
sub ecx, 4 |
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336 |
jb .bpp15.tail |
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align 16 |
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338 |
.bpp15.intel.loop: |
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339 |
repeat 2 |
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340 |
mov ebx, [esi] |
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mov al, [esi] |
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342 |
mov ah, [esi+1] |
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add esi, 4 |
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344 |
and al, 0x1F |
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and ah, 0x1F shl 2 |
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346 |
mov ebp, ebx |
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347 |
mov dl, al |
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348 |
mov dh, ah |
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349 |
shr al, 2 |
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350 |
shr ah, 4 |
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351 |
shl dl, 3 |
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352 |
shl dh, 1 |
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and ebp, 0x1F shl 5 |
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add al, dl |
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355 |
add ah, dh |
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356 |
shr ebp, 2 |
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357 |
mov [edi], al |
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358 |
mov [edi+2], ah |
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359 |
mov eax, ebx |
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360 |
mov ebx, ebp |
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shr eax, 16 |
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362 |
shr ebx, 5 |
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add ebx, ebp |
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364 |
mov ebp, eax |
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mov [edi+1], bl |
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and eax, (0x1F) or (0x1F shl 10) |
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367 |
and ebp, 0x1F shl 5 |
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368 |
lea edx, [eax+eax] |
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369 |
shr al, 2 |
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370 |
mov ebx, ebp |
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371 |
shr ah, 4 |
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372 |
shl dl, 2 |
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373 |
shr ebx, 2 |
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374 |
shr ebp, 7 |
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375 |
add al, dl |
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376 |
add ah, dh |
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377 |
mov [edi+3], al |
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378 |
add ebx, ebp |
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379 |
mov [edi+5], ah |
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380 |
mov [edi+4], bl |
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381 |
add edi, 6 |
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382 |
end repeat |
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383 |
sub ecx, 4 |
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384 |
jnb .bpp15.intel.loop |
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385 |
.bpp15.tail: |
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386 |
add ecx, 4 |
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387 |
jz .bpp15.done |
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388 |
@@: |
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389 |
movzx eax, word [esi] |
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390 |
mov ebx, eax |
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391 |
add esi, 2 |
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392 |
and eax, (0x1F) or (0x1F shl 10) |
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393 |
and ebx, 0x1F shl 5 |
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394 |
lea edx, [eax+eax] |
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395 |
shr al, 2 |
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396 |
mov ebp, ebx |
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397 |
shr ebx, 2 |
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398 |
shr ah, 4 |
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399 |
shl dl, 2 |
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400 |
shr ebp, 7 |
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401 |
add eax, edx |
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402 |
add ebx, ebp |
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403 |
mov [edi], al |
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404 |
mov [edi+1], bl |
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405 |
mov [edi+2], ah |
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406 |
add edi, 3 |
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407 |
sub ecx, 1 |
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408 |
jnz @b |
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409 |
.bpp15.done: |
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410 |
pop ebp ebx |
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411 |
ret |
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412 |
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413 |
.bpp15.amd: |
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414 |
push ebx ebp |
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415 |
sub ecx, 4 |
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|
416 |
jb .bpp15.tail |
|
|
417 |
align 16 |
|
|
418 |
.bpp15.amd.loop: |
|
|
419 |
repeat 4 |
|
|
420 |
if (% mod 2) = 1 |
|
|
421 |
mov eax, dword [esi] |
|
|
422 |
mov ebx, dword [esi] |
|
|
423 |
else |
|
|
424 |
movzx eax, word [esi] |
|
|
425 |
mov ebx, eax |
|
|
426 |
end if |
|
|
427 |
add esi, 2 |
|
|
428 |
and eax, (0x1F) or (0x1F shl 10) |
|
|
429 |
and ebx, 0x1F shl 5 |
|
|
430 |
lea edx, [eax+eax] |
|
|
431 |
shr al, 2 |
|
|
432 |
mov ebp, ebx |
|
|
433 |
shr ebx, 2 |
|
|
434 |
shr ah, 4 |
|
|
435 |
shl dl, 2 |
|
|
436 |
shr ebp, 7 |
|
|
437 |
add eax, edx |
|
|
438 |
add ebx, ebp |
|
|
439 |
mov [edi], al |
|
|
440 |
mov [edi+1], bl |
|
|
441 |
mov [edi+2], ah |
|
|
442 |
add edi, 3 |
|
|
443 |
end repeat |
|
|
444 |
sub ecx, 4 |
|
|
445 |
jnb .bpp15.amd.loop |
|
|
446 |
jmp .bpp15.tail |
|
|
447 |
|
|
|
448 |
; 16 BPP -> 24 BPP |
|
|
449 |
.bpp16.intel: |
|
|
450 |
push ebx ebp |
|
|
451 |
sub ecx, 4 |
|
|
452 |
jb .bpp16.tail |
|
|
453 |
align 16 |
|
|
454 |
.bpp16.intel.loop: |
|
|
455 |
repeat 2 |
|
|
456 |
mov ebx, [esi] |
|
|
457 |
mov al, [esi] |
|
|
458 |
mov ah, [esi+1] |
|
|
459 |
add esi, 4 |
|
|
460 |
and al, 0x1F |
|
|
461 |
and ah, 0x1F shl 3 |
|
|
462 |
mov ebp, ebx |
|
|
463 |
mov dl, al |
|
|
464 |
mov dh, ah |
|
|
465 |
shr al, 2 |
|
|
466 |
shr ah, 5 |
|
|
467 |
shl dl, 3 |
|
|
468 |
and ebp, 0x3F shl 5 |
|
|
469 |
add al, dl |
|
|
470 |
add ah, dh |
|
|
471 |
shr ebp, 3 |
|
|
472 |
mov [edi], al |
|
|
473 |
mov [edi+2], ah |
|
|
474 |
mov eax, ebx |
|
|
475 |
mov ebx, ebp |
|
|
476 |
shr eax, 16 |
|
|
477 |
shr ebx, 6 |
|
|
478 |
add ebx, ebp |
|
|
479 |
mov ebp, eax |
|
|
480 |
mov [edi+1], bl |
|
|
481 |
and eax, (0x1F) or (0x1F shl 11) |
|
|
482 |
and ebp, 0x3F shl 5 |
|
|
483 |
mov edx, eax |
|
|
484 |
shr al, 2 |
|
|
485 |
mov ebx, ebp |
|
|
486 |
shr ah, 5 |
|
|
487 |
shl dl, 3 |
|
|
488 |
shr ebx, 3 |
|
|
489 |
shr ebp, 9 |
|
|
490 |
add al, dl |
|
|
491 |
add ah, dh |
|
|
492 |
mov [edi+3], al |
|
|
493 |
add ebx, ebp |
|
|
494 |
mov [edi+5], ah |
|
|
495 |
mov [edi+4], bl |
|
|
496 |
add edi, 6 |
|
|
497 |
end repeat |
|
|
498 |
sub ecx, 4 |
|
|
499 |
jnb .bpp16.intel.loop |
|
|
500 |
.bpp16.tail: |
|
|
501 |
add ecx, 4 |
|
|
502 |
jz .bpp16.done |
|
|
503 |
@@: |
|
|
504 |
movzx eax, word [esi] |
|
|
505 |
mov ebx, eax |
|
|
506 |
add esi, 2 |
|
|
507 |
and eax, (0x1F) or (0x1F shl 11) |
|
|
508 |
and ebx, 0x3F shl 5 |
|
|
509 |
mov edx, eax |
|
|
510 |
shr al, 2 |
|
|
511 |
mov ebp, ebx |
|
|
512 |
shr ebx, 3 |
|
|
513 |
shr ah, 5 |
|
|
514 |
shl dl, 3 |
|
|
515 |
shr ebp, 9 |
|
|
516 |
add eax, edx |
|
|
517 |
add ebx, ebp |
|
|
518 |
mov [edi], al |
|
|
519 |
mov [edi+1], bl |
|
|
520 |
mov [edi+2], ah |
|
|
521 |
add edi, 3 |
|
|
522 |
sub ecx, 1 |
|
|
523 |
jnz @b |
|
|
524 |
.bpp16.done: |
|
|
525 |
pop ebp ebx |
|
|
526 |
ret |
|
|
527 |
|
|
|
528 |
.bpp16.amd: |
|
|
529 |
push ebx ebp |
|
|
530 |
sub ecx, 4 |
|
|
531 |
jb .bpp16.tail |
|
|
532 |
align 16 |
|
|
533 |
.bpp16.amd.loop: |
|
|
534 |
repeat 4 |
|
|
535 |
if (% mod 2) = 1 |
|
|
536 |
mov eax, dword [esi] |
|
|
537 |
mov ebx, dword [esi] |
|
|
538 |
else |
|
|
539 |
movzx eax, word [esi] |
|
|
540 |
mov ebx, eax |
|
|
541 |
end if |
|
|
542 |
add esi, 2 |
|
|
543 |
and eax, (0x1F) or (0x1F shl 11) |
|
|
544 |
and ebx, 0x3F shl 5 |
|
|
545 |
mov edx, eax |
|
|
546 |
shr al, 2 |
|
|
547 |
mov ebp, ebx |
|
|
548 |
shr ebx, 3 |
|
|
549 |
shr ah, 5 |
|
|
550 |
shl dl, 3 |
|
|
551 |
shr ebp, 9 |
|
|
552 |
add eax, edx |
|
|
553 |
add ebx, ebp |
|
|
554 |
mov [edi], al |
|
|
555 |
mov [edi+1], bl |
|
|
556 |
mov [edi+2], ah |
|
|
557 |
add edi, 3 |
|
|
558 |
end repeat |
|
|
559 |
sub ecx, 4 |
|
|
560 |
jnb .bpp16.amd.loop |
|
|
561 |
jmp .bpp16.tail |
|
|
562 |
|
|
|
563 |
align 16 |
|
|
564 |
.bpp24: |
|
|
565 |
; 24 BPP -> 24 BPP |
|
|
566 |
lea ecx, [ecx*3 + 3] |
|
|
567 |
mov esi, [esi + Image.Data] |
|
|
568 |
shr ecx, 2 |
|
|
569 |
rep movsd |
|
|
570 |
ret |
|
|
571 |
|
|
|
572 |
align 16 |
|
|
573 |
.bpp32: |
|
|
574 |
; 32 BPP -> 24 BPP |
|
|
575 |
mov esi, [esi + Image.Data] |
|
|
576 |
|
|
|
577 |
@@: |
|
|
578 |
mov eax, [esi] |
|
|
579 |
mov [edi], ax |
|
|
580 |
shr eax, 16 |
|
|
581 |
mov [edi+2], al |
|
|
582 |
add esi, 4 |
|
|
583 |
add edi, 3 |
|
|
584 |
sub ecx, 1 |
|
|
585 |
jnz @b |
|
|
586 |
|
|
|
587 |
@@: |
|
|
588 |
ret |
|
|
589 |
|
|
|
590 |
align 16 |
|
|
591 |
.bpp1: |
|
|
592 |
push ebx ebp |
|
|
593 |
mov ebp, [esi + Image.Width] |
|
|
594 |
mov edx, [esi + Image.Height] |
|
|
595 |
shl edx, 16 |
|
|
596 |
mov ebx, [esi + Image.Palette] |
|
|
597 |
mov esi, [esi + Image.Data] |
|
|
598 |
.bpp1.pre: |
|
|
599 |
mov dx, bp |
|
|
600 |
mov ecx, 7 |
|
|
601 |
.bpp1.begin: |
|
|
602 |
xor eax, eax |
|
|
603 |
bt [esi], ecx |
|
|
604 |
adc eax, 0 |
|
|
605 |
mov eax, [ebx + eax*4] |
|
|
606 |
mov [edi], ax |
|
|
607 |
shr eax, 16 |
|
|
608 |
mov [edi + 2], al |
|
|
609 |
add edi, 3 |
|
|
610 |
dec dx |
|
|
611 |
jz .bpp1.end_line |
|
|
612 |
dec ecx |
|
|
613 |
jns .bpp1.begin |
|
|
614 |
mov ecx, 7 |
|
|
615 |
inc esi |
|
|
616 |
jmp .bpp1.begin |
|
|
617 |
.bpp1.end_line: |
|
|
618 |
sub edx, 0x10000 |
|
|
619 |
jz .bpp1.quit |
|
|
620 |
inc esi |
|
|
621 |
jmp .bpp1.pre |
|
|
622 |
.bpp1.quit: |
|
|
623 |
pop ebp ebx |
|
|
624 |
ret |
|
|
625 |
|
|
|
626 |
align 16 |
|
|
627 |
.bpp2i: |
|
|
628 |
push ebx ebp |
|
|
629 |
mov ebp, [esi + Image.Width] |
|
|
630 |
mov edx, [esi + Image.Height] |
|
|
631 |
shl edx, 16 |
|
|
632 |
mov ebx, [esi + Image.Palette] |
|
|
633 |
mov esi, [esi + Image.Data] |
|
|
634 |
.bpp2i.pre: |
|
|
635 |
mov dx, bp |
|
|
636 |
mov ecx, 3 |
|
|
637 |
.bpp2i.begin: |
|
|
638 |
mov eax, 3 |
|
|
639 |
shl ecx, 1 |
|
|
640 |
shl eax, cl |
|
|
641 |
and al, [esi] |
|
|
642 |
shr eax, cl |
|
|
643 |
shr ecx, 1 |
|
|
644 |
mov eax, [ebx + eax*4] |
|
|
645 |
mov [edi], ax |
|
|
646 |
shr eax, 16 |
|
|
647 |
mov [edi + 2], al |
|
|
648 |
add edi, 3 |
|
|
649 |
dec dx |
|
|
650 |
jz .bpp2i.end_line |
|
|
651 |
dec ecx |
|
|
652 |
jns .bpp2i.begin |
|
|
653 |
mov ecx, 3 |
|
|
654 |
inc esi |
|
|
655 |
jmp .bpp2i.begin |
|
|
656 |
.bpp2i.end_line: |
|
|
657 |
sub edx, 0x10000 |
|
|
658 |
jz .bpp2i.quit |
|
|
659 |
inc esi |
|
|
660 |
jmp .bpp2i.pre |
|
|
661 |
.bpp2i.quit: |
|
|
662 |
pop ebp ebx |
|
|
663 |
ret |
|
|
664 |
|
|
|
665 |
align 16 |
|
|
666 |
.bpp4i: |
|
|
667 |
push ebx ebp |
|
|
668 |
mov ebp, [esi + Image.Width] |
|
|
669 |
mov edx, [esi + Image.Height] |
|
|
670 |
shl edx, 16 |
|
|
671 |
mov ebx, [esi + Image.Palette] |
|
|
672 |
mov esi, [esi + Image.Data] |
|
|
673 |
.bpp4i.pre: |
|
|
674 |
mov dx, bp |
|
|
675 |
mov ecx, 1 |
|
|
676 |
.bpp4i.begin: |
|
|
677 |
mov eax, 15 |
|
|
678 |
shl ecx, 2 |
|
|
679 |
shl eax, cl |
|
|
680 |
and al, [esi] |
|
|
681 |
shr eax, cl |
|
|
682 |
shr ecx, 2 |
|
|
683 |
mov eax, [ebx + eax*4] |
|
|
684 |
mov [edi], ax |
|
|
685 |
shr eax, 16 |
|
|
686 |
mov [edi + 2], al |
|
|
687 |
add edi, 3 |
|
|
688 |
dec dx |
|
|
689 |
jz .bpp4i.end_line |
|
|
690 |
dec ecx |
|
|
691 |
jns .bpp4i.begin |
|
|
692 |
mov ecx, 1 |
|
|
693 |
inc esi |
|
|
694 |
jmp .bpp4i.begin |
|
|
695 |
.bpp4i.end_line: |
|
|
696 |
sub edx, 0x10000 |
|
|
697 |
jz .bpp4i.quit |
|
|
698 |
inc esi |
|
|
699 |
jmp .bpp4i.pre |
|
|
700 |
.bpp4i.quit: |
|
|
701 |
pop ebp ebx |
|
|
702 |
ret |
|
|
703 |
|
|
|
704 |
endp |
|
|
705 |
|
|
|
706 |
;;================================================================================================;; |
|
|
707 |
proc img.decode _data, _length, _options ;////////////////////////////////////////////////////////;; |
|
|
708 |
;;------------------------------------------------------------------------------------------------;; |
|
|
709 |
;? decodes loaded into memory graphic file ;; |
|
|
710 |
;;------------------------------------------------------------------------------------------------;; |
|
|
711 |
;> [_data] = pointer to file in memory ;; |
|
|
712 |
;> [_length] = size in bytes of memory area pointed to by [_data] ;; |
|
|
713 |
;> [_options] = 0 / pointer to the structure of additional options ;; |
|
|
714 |
;;------------------------------------------------------------------------------------------------;; |
|
|
715 |
;< eax = 0 / pointer to image ;; |
|
|
716 |
;;================================================================================================;; |
|
|
717 |
push ebx |
|
|
718 |
mov ebx, img.formats_table |
|
|
719 |
@@: stdcall [ebx + FormatsTableEntry.Is], [_data], [_length] |
|
|
720 |
or eax, eax |
|
|
721 |
jnz @f |
|
|
722 |
add ebx, sizeof.FormatsTableEntry |
|
|
723 |
cmp dword[ebx], eax ;0 |
|
|
724 |
jnz @b |
|
|
725 |
pop ebx |
|
|
726 |
ret |
|
|
727 |
@@: mov eax, [ebx + FormatsTableEntry.Decode] |
|
|
728 |
pop ebx |
|
|
729 |
leave |
|
|
730 |
jmp eax |
|
|
731 |
endp |
|
|
732 |
|
|
|
733 |
;;================================================================================================;; |
|
|
734 |
proc img.encode _img, _common, _specific ;////////////////////////////////////////////////////////;; |
|
|
735 |
;;------------------------------------------------------------------------------------------------;; |
|
|
736 |
;? encode image to some format ;; |
|
|
737 |
;;------------------------------------------------------------------------------------------------;; |
|
|
738 |
;> [_img] = pointer to input image ;; |
|
|
739 |
;> [_common] = some most important/common options ;; |
|
|
740 |
; 0x00 : byte : format id (defined in libimg.inc) ;; |
|
|
741 |
; 0x01 : byte : fast encoding (0) / best compression ratio (255) ;; |
|
|
742 |
; 0 : store uncompressed data (if supported both by the format and libimg) ;; |
|
|
743 |
; 1 - 255 : use compression, if supported ;; |
|
|
744 |
; this option may be ignored if any format specific options are defined ;; |
|
|
745 |
; i.e. 0 here will be ignored if particular compression algorithm is specified ;; |
|
|
746 |
; 0x02 : byte : flags (bitfield) ;; |
|
|
747 |
; 0x01 : return an error if format specific conditions cannot be met ;; |
|
|
748 |
; 0x02 : preserve current bit depth. means 8bpp/16bpp/24bpp and so on ;; |
|
|
749 |
; 0x04 : delete alpha channel, if any ;; |
|
|
750 |
; 0x08 : flush alpha channel with 0xff, if any; add it if none ;; |
|
|
751 |
; 0x03 : byte : reserved, must be 0 ;; |
|
|
752 |
;> [_specific] = 0 / pointer to the structure of format specific options ;; |
|
|
753 |
; see .inc for description ;; |
|
|
754 |
;;------------------------------------------------------------------------------------------------;; |
|
|
755 |
;< eax = 0 / pointer to encoded data ;; |
|
|
756 |
;< ecx = error code / the size of encoded data ;; |
|
|
757 |
; 1 : out of memory ;; |
|
|
758 |
; 2 : format is not supported ;; |
|
|
759 |
; 3 : specific conditions cannot be satisfied ;; |
|
|
760 |
; 4 : bit depth cannot be preserved ;; |
|
|
761 |
;;================================================================================================;; |
|
|
762 |
mov ebx, [_img] |
|
|
763 |
|
|
|
764 |
movzx eax, byte[_common] |
|
|
765 |
dec eax |
|
|
766 |
imul eax, sizeof.FormatsTableEntry |
|
|
767 |
add eax, FormatsTableEntry.Capabilities |
|
|
768 |
add eax, img.formats_table |
|
|
769 |
mov eax, [eax] |
|
|
770 |
test eax, 1 ; is encoding to this format supported at all? |
|
|
771 |
jnz @f |
|
|
772 |
mov ecx, LIBIMG_ERROR_FORMAT |
|
|
773 |
jmp .error |
|
|
774 |
@@: |
|
|
775 |
mov ecx, [ebx + Image.Type] |
|
|
776 |
mov edx, 1 |
|
|
777 |
shl edx, cl |
|
|
778 |
test eax, edx |
|
|
779 |
jnz .bit_depth_ok |
|
|
780 |
test byte[_common+2], LIBIMG_ENCODE_STRICT_BIT_DEPTH |
|
|
781 |
jz @f |
|
|
782 |
mov ecx, LIBIMG_ERROR_BIT_DEPTH |
|
|
783 |
jmp .error |
|
|
784 |
@@: |
|
|
785 |
mov edx, 1 SHL Image.bpp24 |
|
|
786 |
test eax, edx |
|
|
787 |
jnz @f |
|
|
788 |
mov ecx, LIBIMG_ERROR_BIT_DEPTH |
|
|
789 |
jmp .error |
|
|
790 |
@@: |
|
|
791 |
stdcall img.create, [ebx + Image.Width], [ebx + Image.Height], Image.bpp24 |
|
|
792 |
test eax, eax |
|
|
793 |
jnz @f |
|
|
794 |
mov ecx, LIBIMG_ERROR_OUT_OF_MEMORY |
|
|
795 |
jmp .error |
|
|
796 |
@@: |
|
|
797 |
push eax |
|
|
798 |
stdcall img.to_rgb2, ebx, [eax + Image.Data] |
|
|
799 |
pop ebx |
|
|
800 |
|
|
|
801 |
.bit_depth_ok: |
|
|
802 |
movzx eax, byte[_common] |
|
|
803 |
dec eax |
|
|
804 |
imul eax, sizeof.FormatsTableEntry |
|
|
805 |
add eax, FormatsTableEntry.Encode |
|
|
806 |
add eax, img.formats_table |
|
|
807 |
mov eax, [eax] |
|
|
808 |
stdcall eax, [_img], [_common], [_specific] |
|
|
809 |
push eax ecx |
|
|
810 |
cmp ebx, [_img] |
|
|
811 |
je @f |
|
|
812 |
stdcall img.destroy, ebx |
|
|
813 |
@@: |
|
|
814 |
pop ecx eax |
|
|
815 |
jmp .quit |
|
|
816 |
|
|
|
817 |
.error: |
|
|
818 |
xor eax, eax |
|
|
819 |
.quit: |
|
|
820 |
ret |
|
|
821 |
endp |
|
|
822 |
|
|
|
823 |
;;================================================================================================;; |
|
|
824 |
proc img.create _width, _height, _type ;//////////////////////////////////////////////////////////;; |
|
|
825 |
;;------------------------------------------------------------------------------------------------;; |
|
|
826 |
;? creates an Image structure and initializes some its fields ;; |
|
|
827 |
;;------------------------------------------------------------------------------------------------;; |
|
|
828 |
;> [_width] = width of an image in pixels ;; |
|
|
829 |
;> [_height] = height of an image in pixels ;; |
|
|
830 |
;> [_type] = one of the Image.bppN constants from libimg.inc ;; |
|
|
831 |
;;------------------------------------------------------------------------------------------------;; |
|
|
832 |
;< eax = 0 / pointer to image ;; |
|
|
833 |
;;================================================================================================;; |
|
|
834 |
push ecx |
|
|
835 |
|
|
|
836 |
stdcall img._.new |
|
|
837 |
or eax, eax |
|
|
838 |
jz .error |
|
|
839 |
|
|
|
840 |
mov ecx, [_type] |
|
|
841 |
mov [eax + Image.Type], ecx |
|
|
842 |
|
|
|
843 |
push eax |
|
|
844 |
|
|
|
845 |
stdcall img._.resize_data, eax, [_width], [_height] |
|
|
846 |
or eax, eax |
|
|
847 |
jz .error.2 |
|
|
848 |
|
|
|
849 |
pop eax |
|
|
850 |
jmp .ret |
|
|
851 |
|
|
|
852 |
.error.2: |
|
|
853 |
; pop eax |
|
|
854 |
stdcall img._.delete; eax |
|
|
855 |
xor eax, eax |
|
|
856 |
|
|
|
857 |
.error: |
|
|
858 |
.ret: |
|
|
859 |
pop ecx |
|
|
860 |
ret |
|
|
861 |
endp |
|
|
862 |
|
|
|
863 |
;;================================================================================================;; |
|
|
864 |
proc img.destroy.layer _img ;/////////////////////////////////////////////////////////////////////;; |
|
|
865 |
;;------------------------------------------------------------------------------------------------;; |
|
|
866 |
;? frees memory occupied by an image and all the memory regions its fields point to ;; |
|
|
867 |
;? for image sequences deletes only one frame and fixes Previous/Next pointers ;; |
|
|
868 |
;;------------------------------------------------------------------------------------------------;; |
|
|
869 |
;> [_img] = pointer to image ;; |
|
|
870 |
;;------------------------------------------------------------------------------------------------;; |
|
|
871 |
;< eax = 0 (fail) / 1 (success) ;; |
|
|
872 |
;;================================================================================================;; |
|
|
873 |
mov eax, [_img] |
|
|
874 |
mov edx, [eax + Image.Previous] |
|
|
875 |
test edx, edx |
|
|
876 |
jz @f |
|
|
877 |
push [eax + Image.Next] |
|
|
878 |
pop [edx + Image.Next] |
|
|
879 |
@@: |
|
|
880 |
mov edx, [eax + Image.Next] |
|
|
881 |
test edx, edx |
|
|
882 |
jz @f |
|
|
883 |
push [eax + Image.Previous] |
|
|
884 |
pop [edx + Image.Previous] |
|
|
885 |
@@: |
|
|
886 |
stdcall img._.delete, eax |
|
|
887 |
ret |
|
|
888 |
endp |
|
|
889 |
|
|
|
890 |
;;================================================================================================;; |
|
|
891 |
proc img.destroy _img ;///////////////////////////////////////////////////////////////////////////;; |
|
|
892 |
;;------------------------------------------------------------------------------------------------;; |
|
|
893 |
;? frees memory occupied by an image and all the memory regions its fields point to ;; |
|
|
894 |
;? follows Previous/Next pointers and deletes all the images in sequence ;; |
|
|
895 |
;;------------------------------------------------------------------------------------------------;; |
|
|
896 |
;> [_img] = pointer to image ;; |
|
|
897 |
;;------------------------------------------------------------------------------------------------;; |
|
|
898 |
;< eax = 0 (fail) / 1 (success) ;; |
|
|
899 |
;;================================================================================================;; |
|
|
900 |
push 1 |
|
|
901 |
mov eax, [_img] |
|
|
902 |
mov eax, [eax + Image.Previous] |
|
|
903 |
.destroy_prev_loop: |
|
|
904 |
test eax, eax |
|
|
905 |
jz .destroy_prev_done |
|
|
906 |
pushd [eax + Image.Previous] |
|
|
907 |
stdcall img._.delete, eax |
|
|
908 |
test eax, eax |
|
|
909 |
jnz @f |
|
|
910 |
mov byte [esp+4], 0 |
|
|
911 |
@@: |
|
|
912 |
pop eax |
|
|
913 |
jmp .destroy_prev_loop |
|
|
914 |
.destroy_prev_done: |
|
|
915 |
mov eax, [_img] |
|
|
916 |
.destroy_next_loop: |
|
|
917 |
pushd [eax + Image.Next] |
|
|
918 |
stdcall img._.delete, eax |
|
|
919 |
test eax, eax |
|
|
920 |
jnz @f |
|
|
921 |
mov byte [esp+4], 0 |
|
|
922 |
@@: |
|
|
923 |
pop eax |
|
|
924 |
test eax, eax |
|
|
925 |
jnz .destroy_next_loop |
|
|
926 |
pop eax |
|
|
927 |
ret |
|
|
928 |
endp |
|
|
929 |
|
|
|
930 |
;;================================================================================================;; |
|
|
931 |
proc img.count _img ;/////////////////////////////////////////////////////////////////////////////;; |
|
|
932 |
;;------------------------------------------------------------------------------------------------;; |
|
|
933 |
;? Get number of images in the list (e.g. in animated GIF file) ;; |
|
|
934 |
;;------------------------------------------------------------------------------------------------;; |
|
|
935 |
;> _img = pointer to image ;; |
|
|
936 |
;;------------------------------------------------------------------------------------------------;; |
|
|
937 |
;< eax = -1 (fail) / >0 (ok) ;; |
|
|
938 |
;;================================================================================================;; |
|
|
939 |
push ecx edx |
|
|
940 |
mov edx, [_img] |
|
|
941 |
stdcall img._.validate, edx |
|
|
942 |
or eax, eax |
|
|
943 |
jnz .error |
|
|
944 |
|
|
|
945 |
@@: mov eax, [edx + Image.Previous] |
|
|
946 |
or eax, eax |
|
|
947 |
jz @f |
|
|
948 |
mov edx, eax |
|
|
949 |
jmp @b |
|
|
950 |
|
|
|
951 |
@@: xor ecx, ecx |
|
|
952 |
@@: inc ecx |
|
|
953 |
mov eax, [edx + Image.Next] |
|
|
954 |
or eax, eax |
|
|
955 |
jz .exit |
|
|
956 |
mov edx, eax |
|
|
957 |
jmp @b |
|
|
958 |
|
|
|
959 |
.exit: |
|
|
960 |
mov eax, ecx |
|
|
961 |
pop edx ecx |
|
|
962 |
ret |
|
|
963 |
|
|
|
964 |
.error: |
|
|
965 |
or eax, -1 |
|
|
966 |
pop edx ecx |
|
|
967 |
ret |
|
|
968 |
endp |
|
|
969 |
|
|
|
970 |
;;//// image processing //////////////////////////////////////////////////////////////////////////;; |
|
|
971 |
|
|
|
972 |
;;================================================================================================;; |
|
|
973 |
proc img.lock_bits _img, _start_line, _end_line ;/////////////////////////////////////////////////;; |
|
|
974 |
;;------------------------------------------------------------------------------------------------;; |
|
|
975 |
;? --- TBD --- ;; |
|
|
976 |
;;------------------------------------------------------------------------------------------------;; |
|
|
977 |
;> --- TBD --- ;; |
|
|
978 |
;;------------------------------------------------------------------------------------------------;; |
|
|
979 |
;< eax = 0 / pointer to bits ;; |
|
|
980 |
;;================================================================================================;; |
|
|
981 |
xor eax, eax |
|
|
982 |
ret |
|
|
983 |
endp |
|
|
984 |
|
|
|
985 |
;;================================================================================================;; |
|
|
986 |
proc img.unlock_bits _img, _lock ;////////////////////////////////////////////////////////////////;; |
|
|
987 |
;;------------------------------------------------------------------------------------------------;; |
|
|
988 |
;? --- TBD --- ;; |
|
|
989 |
;;------------------------------------------------------------------------------------------------;; |
|
|
990 |
;> --- TBD --- ;; |
|
|
991 |
;;------------------------------------------------------------------------------------------------;; |
|
|
992 |
;< eax = false / true ;; |
|
|
993 |
;;================================================================================================;; |
|
|
994 |
xor eax, eax |
|
|
995 |
ret |
|
|
996 |
endp |
|
|
997 |
|
|
|
998 |
;;================================================================================================;; |
|
|
999 |
proc img.flip.layer _img, _flip_kind ;////////////////////////////////////////////////////////////;; |
|
|
1000 |
;;------------------------------------------------------------------------------------------------;; |
|
|
1001 |
;? Flip image layer ;; |
|
|
1002 |
;;------------------------------------------------------------------------------------------------;; |
|
|
1003 |
;> _img = pointer to image ;; |
|
|
1004 |
;> _flip_kind = one of FLIP_* constants ;; |
|
|
1005 |
;;------------------------------------------------------------------------------------------------;; |
|
|
1006 |
;< eax = false / true ;; |
|
|
1007 |
;;================================================================================================;; |
|
|
1008 |
locals |
|
|
1009 |
scanline_len dd ? |
|
|
1010 |
endl |
|
|
1011 |
|
|
|
1012 |
push ebx esi edi |
|
|
1013 |
mov ebx, [_img] |
|
|
1014 |
stdcall img._.validate, ebx |
|
|
1015 |
or eax, eax |
|
|
1016 |
jnz .error |
|
|
1017 |
|
|
|
1018 |
mov ecx, [ebx + Image.Height] |
|
|
1019 |
mov eax, [ebx + Image.Width] |
|
|
1020 |
call img._.get_scanline_len |
|
|
1021 |
mov [scanline_len], eax |
|
|
1022 |
|
|
|
1023 |
test [_flip_kind], FLIP_VERTICAL |
|
|
1024 |
jz .dont_flip_vert |
|
|
1025 |
|
|
|
1026 |
imul eax, ecx |
|
|
1027 |
sub eax, [scanline_len] |
|
|
1028 |
shr ecx, 1 |
|
|
1029 |
mov esi, [ebx + Image.Data] |
|
|
1030 |
lea edi, [esi + eax] |
|
|
1031 |
|
|
|
1032 |
.next_line_vert: |
|
|
1033 |
push ecx |
|
|
1034 |
|
|
|
1035 |
mov ecx, [scanline_len] |
|
|
1036 |
push ecx |
|
|
1037 |
shr ecx, 2 |
|
|
1038 |
@@: |
|
|
1039 |
dec ecx |
|
|
1040 |
js @f |
|
|
1041 |
mov eax, [esi] |
|
|
1042 |
xchg eax, [edi] |
|
|
1043 |
mov [esi], eax |
|
|
1044 |
add esi, 4 |
|
|
1045 |
add edi, 4 |
|
|
1046 |
jmp @b |
|
|
1047 |
@@: |
|
|
1048 |
|
|
|
1049 |
pop ecx |
|
|
1050 |
and ecx, 3 |
|
|
1051 |
jz .cont_line_vert |
|
|
1052 |
@@: |
|
|
1053 |
mov al, [esi] |
|
|
1054 |
xchg al, [edi] |
|
|
1055 |
mov [esi], al |
|
|
1056 |
add esi, 1 |
|
|
1057 |
add edi, 1 |
|
|
1058 |
dec ecx |
|
|
1059 |
jnz @b |
|
|
1060 |
.cont_line_vert: |
|
|
1061 |
|
|
|
1062 |
pop ecx |
|
|
1063 |
mov eax, [scanline_len] |
|
|
1064 |
shl eax, 1 |
|
|
1065 |
sub edi, eax |
|
|
1066 |
dec ecx |
|
|
1067 |
jnz .next_line_vert |
|
|
1068 |
|
|
|
1069 |
.dont_flip_vert: |
|
|
1070 |
|
|
|
1071 |
test [_flip_kind], FLIP_HORIZONTAL |
|
|
1072 |
jz .exit |
|
|
1073 |
|
|
|
1074 |
mov ecx, [ebx + Image.Height] |
|
|
1075 |
mov eax, [ebx + Image.Type] |
|
|
1076 |
mov esi, [ebx + Image.Data] |
|
|
1077 |
mov edi, [scanline_len] |
|
|
1078 |
add edi, esi |
|
|
1079 |
jmp dword [.handlers_horz + (eax-1)*4] |
|
|
1080 |
|
|
|
1081 |
.bpp32_horz: |
|
|
1082 |
sub edi, 4 |
|
|
1083 |
|
|
|
1084 |
.next_line_horz: |
|
|
1085 |
push ecx esi edi |
|
|
1086 |
|
|
|
1087 |
mov ecx, [scanline_len] |
|
|
1088 |
shr ecx, 3 |
|
|
1089 |
@@: mov eax, [esi] |
|
|
1090 |
xchg eax, [edi] |
|
|
1091 |
mov [esi], eax |
|
|
1092 |
add esi, 4 |
|
|
1093 |
add edi, -4 |
|
|
1094 |
sub ecx, 1 |
|
|
1095 |
jnz @b |
|
|
1096 |
|
|
|
1097 |
pop edi esi ecx |
|
|
1098 |
add esi, [scanline_len] |
|
|
1099 |
add edi, [scanline_len] |
|
|
1100 |
dec ecx |
|
|
1101 |
jnz .next_line_horz |
|
|
1102 |
jmp .exit |
|
|
1103 |
|
|
|
1104 |
.bpp1x_horz: |
|
|
1105 |
sub edi, 2 |
|
|
1106 |
.next_line_horz1x: |
|
|
1107 |
push ecx esi edi |
|
|
1108 |
|
|
|
1109 |
mov ecx, [ebx + Image.Width] |
|
|
1110 |
@@: mov ax, [esi] |
|
|
1111 |
mov dx, [edi] |
|
|
1112 |
mov [edi], ax |
|
|
1113 |
mov [esi], dx |
|
|
1114 |
add esi, 2 |
|
|
1115 |
sub edi, 2 |
|
|
1116 |
sub ecx, 2 |
|
|
1117 |
ja @b |
|
|
1118 |
|
|
|
1119 |
pop edi esi ecx |
|
|
1120 |
add esi, [scanline_len] |
|
|
1121 |
add edi, [scanline_len] |
|
|
1122 |
dec ecx |
|
|
1123 |
jnz .next_line_horz1x |
|
|
1124 |
jmp .exit |
|
|
1125 |
|
|
|
1126 |
.bpp8ig_horz: |
|
|
1127 |
dec edi |
|
|
1128 |
.next_line_horz8ig: |
|
|
1129 |
push ecx esi edi |
|
|
1130 |
|
|
|
1131 |
mov ecx, [scanline_len] |
|
|
1132 |
shr ecx, 1 |
|
|
1133 |
@@: mov al, [esi] |
|
|
1134 |
mov dl, [edi] |
|
|
1135 |
mov [edi], al |
|
|
1136 |
mov [esi], dl |
|
|
1137 |
add esi, 1 |
|
|
1138 |
sub edi, 1 |
|
|
1139 |
sub ecx, 1 |
|
|
1140 |
jnz @b |
|
|
1141 |
|
|
|
1142 |
pop edi esi ecx |
|
|
1143 |
add esi, [scanline_len] |
|
|
1144 |
add edi, [scanline_len] |
|
|
1145 |
dec ecx |
|
|
1146 |
jnz .next_line_horz8ig |
|
|
1147 |
jmp .exit |
|
|
1148 |
|
|
|
1149 |
.bpp24_horz: |
|
|
1150 |
sub edi, 3 |
|
|
1151 |
.next_line_horz24: |
|
|
1152 |
push ecx esi edi |
|
|
1153 |
|
|
|
1154 |
mov ecx, [ebx + Image.Width] |
|
|
1155 |
@@: |
|
|
1156 |
mov al, [esi] |
|
|
1157 |
mov dl, [edi] |
|
|
1158 |
mov [edi], al |
|
|
1159 |
mov [esi], dl |
|
|
1160 |
mov al, [esi+1] |
|
|
1161 |
mov dl, [edi+1] |
|
|
1162 |
mov [edi+1], al |
|
|
1163 |
mov [esi+1], dl |
|
|
1164 |
mov al, [esi+2] |
|
|
1165 |
mov dl, [edi+2] |
|
|
1166 |
mov [edi+2], al |
|
|
1167 |
mov [esi+2], dl |
|
|
1168 |
add esi, 3 |
|
|
1169 |
sub edi, 3 |
|
|
1170 |
sub ecx, 2 |
|
|
1171 |
ja @b |
|
|
1172 |
|
|
|
1173 |
pop edi esi ecx |
|
|
1174 |
add esi, [scanline_len] |
|
|
1175 |
add edi, [scanline_len] |
|
|
1176 |
dec ecx |
|
|
1177 |
jnz .next_line_horz24 |
|
|
1178 |
jmp .exit |
|
|
1179 |
|
|
|
1180 |
.bpp1_horz: |
|
|
1181 |
mov edi, [scanline_len] |
|
|
1182 |
mov edx, [ebx + Image.Width] |
|
|
1183 |
and edx, 7 |
|
|
1184 |
neg edx |
|
|
1185 |
add edx, 8 |
|
|
1186 |
and edx, 7 |
|
|
1187 |
.bpp1_horz.begin: |
|
|
1188 |
push ebx edx esi |
|
|
1189 |
mov eax, 7 |
|
|
1190 |
add edi, esi |
|
|
1191 |
sub edi, 1 |
|
|
1192 |
mov ebx, [ebx + Image.Width] |
|
|
1193 |
shr ebx, 1 |
|
|
1194 |
.bpp1_horz.bit: |
|
|
1195 |
bt [edi], edx |
|
|
1196 |
jc @f |
|
|
1197 |
btr [esi], eax |
|
|
1198 |
jmp .bpp1_horz.right |
|
|
1199 |
@@: |
|
|
1200 |
bts [esi], eax |
|
|
1201 |
.bpp1_horz.right: |
|
|
1202 |
jnc @f |
|
|
1203 |
bts [edi], edx |
|
|
1204 |
jmp .bpp1_horz.bit_done |
|
|
1205 |
@@: |
|
|
1206 |
btr [edi], edx |
|
|
1207 |
.bpp1_horz.bit_done: |
|
|
1208 |
inc edx |
|
|
1209 |
and edx, 7 |
|
|
1210 |
jnz @f |
|
|
1211 |
dec edi |
|
|
1212 |
@@: |
|
|
1213 |
dec eax |
|
|
1214 |
jns @f |
|
|
1215 |
mov eax, 7 |
|
|
1216 |
inc esi |
|
|
1217 |
@@: |
|
|
1218 |
dec ebx |
|
|
1219 |
jnz .bpp1_horz.bit |
|
|
1220 |
|
|
|
1221 |
pop esi edx ebx |
|
|
1222 |
add esi, [scanline_len] |
|
|
1223 |
mov edi, [scanline_len] |
|
|
1224 |
dec ecx |
|
|
1225 |
jnz .bpp1_horz.begin |
|
|
1226 |
jmp .exit |
|
|
1227 |
|
|
|
1228 |
|
|
|
1229 |
.bpp2i_horz: |
|
|
1230 |
mov edi, [scanline_len] |
|
|
1231 |
mov edx, [ebx + Image.Width] |
|
|
1232 |
and edx, 3 |
|
|
1233 |
neg edx |
|
|
1234 |
add edx, 4 |
|
|
1235 |
and edx, 3 |
|
|
1236 |
.bpp2i_horz.begin: |
|
|
1237 |
push ebx edx esi |
|
|
1238 |
mov eax, 3 |
|
|
1239 |
add edi, esi |
|
|
1240 |
sub edi, 1 |
|
|
1241 |
mov ebx, [ebx + Image.Width] |
|
|
1242 |
shr ebx, 1 |
|
|
1243 |
.bpp2i_horz.pixel: |
|
|
1244 |
push ebx ecx |
|
|
1245 |
mov ebx, 3 |
|
|
1246 |
mov ecx, edx |
|
|
1247 |
shl ebx, cl |
|
|
1248 |
shl ebx, cl |
|
|
1249 |
and bl, [edi] |
|
|
1250 |
shr ebx, cl |
|
|
1251 |
shr ebx, cl |
|
|
1252 |
mov bh, 3 |
|
|
1253 |
mov ecx, eax |
|
|
1254 |
shl ebx, cl |
|
|
1255 |
shl ebx, cl |
|
|
1256 |
not bh |
|
|
1257 |
and bh, [esi] |
|
|
1258 |
or bl, bh |
|
|
1259 |
mov bh, [esi] |
|
|
1260 |
mov [esi], bl |
|
|
1261 |
shr ebx, 8 |
|
|
1262 |
shr ebx, cl |
|
|
1263 |
shr ebx, cl |
|
|
1264 |
and ebx, 3 |
|
|
1265 |
mov bh, 3 |
|
|
1266 |
mov ecx, edx |
|
|
1267 |
shl ebx, cl |
|
|
1268 |
shl ebx, cl |
|
|
1269 |
not bh |
|
|
1270 |
and bh, [edi] |
|
|
1271 |
or bl, bh |
|
|
1272 |
mov [edi], bl |
|
|
1273 |
pop ecx ebx |
|
|
1274 |
.bpp2i_horz.pixel_done: |
|
|
1275 |
inc edx |
|
|
1276 |
and edx, 3 |
|
|
1277 |
jnz @f |
|
|
1278 |
dec edi |
|
|
1279 |
@@: |
|
|
1280 |
dec eax |
|
|
1281 |
jns @f |
|
|
1282 |
mov eax, 3 |
|
|
1283 |
inc esi |
|
|
1284 |
@@: |
|
|
1285 |
dec ebx |
|
|
1286 |
jnz .bpp2i_horz.pixel |
|
|
1287 |
|
|
|
1288 |
pop esi edx ebx |
|
|
1289 |
add esi, [scanline_len] |
|
|
1290 |
mov edi, [scanline_len] |
|
|
1291 |
dec ecx |
|
|
1292 |
jnz .bpp2i_horz.begin |
|
|
1293 |
jmp .exit |
|
|
1294 |
|
|
|
1295 |
|
|
|
1296 |
.bpp4i_horz: |
|
|
1297 |
mov edi, [scanline_len] |
|
|
1298 |
mov edx, [ebx + Image.Width] |
|
|
1299 |
and edx, 1 |
|
|
1300 |
neg edx |
|
|
1301 |
add edx, 2 |
|
|
1302 |
and edx, 1 |
|
|
1303 |
.bpp4i_horz.begin: |
|
|
1304 |
push ebx edx esi |
|
|
1305 |
mov eax, 1 |
|
|
1306 |
add edi, esi |
|
|
1307 |
sub edi, 1 |
|
|
1308 |
mov ebx, [ebx + Image.Width] |
|
|
1309 |
shr ebx, 1 |
|
|
1310 |
.bpp4i_horz.pixel: |
|
|
1311 |
push ebx ecx |
|
|
1312 |
mov ebx, 15 |
|
|
1313 |
mov ecx, edx |
|
|
1314 |
shl ecx, 2 |
|
|
1315 |
shl ebx, cl |
|
|
1316 |
and bl, [edi] |
|
|
1317 |
shr ebx, cl |
|
|
1318 |
mov bh, 15 |
|
|
1319 |
mov ecx, eax |
|
|
1320 |
shl ecx, 2 |
|
|
1321 |
shl ebx, cl |
|
|
1322 |
not bh |
|
|
1323 |
and bh, [esi] |
|
|
1324 |
or bl, bh |
|
|
1325 |
mov bh, [esi] |
|
|
1326 |
mov [esi], bl |
|
|
1327 |
shr ebx, 8 |
|
|
1328 |
shr ebx, cl |
|
|
1329 |
and ebx, 15 |
|
|
1330 |
mov bh, 15 |
|
|
1331 |
mov ecx, edx |
|
|
1332 |
shl ecx, 2 |
|
|
1333 |
shl ebx, cl |
|
|
1334 |
not bh |
|
|
1335 |
and bh, [edi] |
|
|
1336 |
or bl, bh |
|
|
1337 |
mov [edi], bl |
|
|
1338 |
pop ecx ebx |
|
|
1339 |
.bpp4i_horz.pixel_done: |
|
|
1340 |
inc edx |
|
|
1341 |
and edx, 1 |
|
|
1342 |
jnz @f |
|
|
1343 |
dec edi |
|
|
1344 |
@@: |
|
|
1345 |
dec eax |
|
|
1346 |
jns @f |
|
|
1347 |
mov eax, 1 |
|
|
1348 |
inc esi |
|
|
1349 |
@@: |
|
|
1350 |
dec ebx |
|
|
1351 |
jnz .bpp4i_horz.pixel |
|
|
1352 |
|
|
|
1353 |
pop esi edx ebx |
|
|
1354 |
add esi, [scanline_len] |
|
|
1355 |
mov edi, [scanline_len] |
|
|
1356 |
dec ecx |
|
|
1357 |
jnz .bpp4i_horz.begin |
|
|
1358 |
jmp .exit |
|
|
1359 |
|
|
|
1360 |
|
|
|
1361 |
.exit: |
|
|
1362 |
xor eax, eax |
|
|
1363 |
inc eax |
|
|
1364 |
pop edi esi ebx |
|
|
1365 |
ret |
|
|
1366 |
|
|
|
1367 |
.error: |
|
|
1368 |
xor eax, eax |
|
|
1369 |
pop edi esi ebx |
|
|
1370 |
ret |
|
|
1371 |
endp |
|
|
1372 |
|
|
|
1373 |
;;================================================================================================;; |
|
|
1374 |
proc img.flip _img, _flip_kind ;//////////////////////////////////////////////////////////////////;; |
|
|
1375 |
;;------------------------------------------------------------------------------------------------;; |
|
|
1376 |
;? Flip all layers of image ;; |
|
|
1377 |
;;------------------------------------------------------------------------------------------------;; |
|
|
1378 |
;> _img = pointer to image ;; |
|
|
1379 |
;> _flip_kind = one of FLIP_* constants ;; |
|
|
1380 |
;;------------------------------------------------------------------------------------------------;; |
|
|
1381 |
;< eax = false / true ;; |
|
|
1382 |
;;================================================================================================;; |
|
|
1383 |
push 1 |
|
|
1384 |
mov ebx, [_img] |
|
|
1385 |
@@: |
|
|
1386 |
mov eax, [ebx + Image.Previous] |
|
|
1387 |
test eax, eax |
|
|
1388 |
jz .loop |
|
|
1389 |
mov ebx, eax |
|
|
1390 |
jmp @b |
|
|
1391 |
.loop: |
|
|
1392 |
stdcall img.flip.layer, ebx, [_flip_kind] |
|
|
1393 |
test eax, eax |
|
|
1394 |
jnz @f |
|
|
1395 |
mov byte [esp], 0 |
|
|
1396 |
@@: |
|
|
1397 |
mov ebx, [ebx + Image.Next] |
|
|
1398 |
test ebx, ebx |
|
|
1399 |
jnz .loop |
|
|
1400 |
pop eax |
|
|
1401 |
ret |
|
|
1402 |
endp |
|
|
1403 |
|
|
|
1404 |
;;================================================================================================;; |
|
|
1405 |
proc img.rotate.layer _img, _rotate_kind ;////////////////////////////////////////////////////////;; |
|
|
1406 |
;;------------------------------------------------------------------------------------------------;; |
|
|
1407 |
;? Rotate image layer ;; |
|
|
1408 |
;;------------------------------------------------------------------------------------------------;; |
|
|
1409 |
;> _img = pointer to image ;; |
|
|
1410 |
;> _rotate_kind = one of ROTATE_* constants ;; |
|
|
1411 |
;;------------------------------------------------------------------------------------------------;; |
|
|
1412 |
;< eax = false / true ;; |
|
|
1413 |
;;================================================================================================;; |
|
|
1414 |
locals |
|
|
1415 |
scanline_len_old dd ? |
|
|
1416 |
scanline_len_new dd ? |
|
|
1417 |
scanline_pixels_new dd ? |
|
|
1418 |
line_buffer dd ? |
|
|
1419 |
pixels_ptr dd ? |
|
|
1420 |
endl |
|
|
1421 |
|
|
|
1422 |
mov [line_buffer], 0 |
|
|
1423 |
|
|
|
1424 |
push ebx esi edi |
|
|
1425 |
mov ebx, [_img] |
|
|
1426 |
stdcall img._.validate, ebx |
|
|
1427 |
or eax, eax |
|
|
1428 |
jnz .error |
|
|
1429 |
|
|
|
1430 |
cmp [_rotate_kind], ROTATE_90_CCW |
|
|
1431 |
je .rotate_ccw_low |
|
|
1432 |
cmp [_rotate_kind], ROTATE_90_CW |
|
|
1433 |
je .rotate_cw_low |
|
|
1434 |
cmp [_rotate_kind], ROTATE_180 |
|
|
1435 |
je .flip |
|
|
1436 |
jmp .exit |
|
|
1437 |
|
|
|
1438 |
.rotate_ccw_low: |
|
|
1439 |
mov eax, [ebx + Image.Height] |
|
|
1440 |
mov [scanline_pixels_new], eax |
|
|
1441 |
call img._.get_scanline_len |
|
|
1442 |
mov [scanline_len_new], eax |
|
|
1443 |
|
|
|
1444 |
invoke mem.alloc, eax |
|
|
1445 |
or eax, eax |
|
|
1446 |
jz .error |
|
|
1447 |
mov [line_buffer], eax |
|
|
1448 |
|
|
|
1449 |
mov eax, [ebx + Image.Width] |
|
|
1450 |
mov ecx, eax |
|
|
1451 |
call img._.get_scanline_len |
|
|
1452 |
mov [scanline_len_old], eax |
|
|
1453 |
|
|
|
1454 |
mov eax, [scanline_len_new] |
|
|
1455 |
imul eax, ecx |
|
|
1456 |
add eax, [ebx + Image.Data] |
|
|
1457 |
mov [pixels_ptr], eax |
|
|
1458 |
|
|
|
1459 |
cmp [ebx + Image.Type], Image.bpp1 |
|
|
1460 |
jz .rotate_ccw1 |
|
|
1461 |
cmp [ebx + Image.Type], Image.bpp2i |
|
|
1462 |
jz .rotate_ccw2i |
|
|
1463 |
cmp [ebx + Image.Type], Image.bpp4i |
|
|
1464 |
jz .rotate_ccw4i |
|
|
1465 |
cmp [ebx + Image.Type], Image.bpp8i |
|
|
1466 |
jz .rotate_ccw8ig |
|
|
1467 |
cmp [ebx + Image.Type], Image.bpp8g |
|
|
1468 |
jz .rotate_ccw8ig |
|
|
1469 |
cmp [ebx + Image.Type], Image.bpp24 |
|
|
1470 |
jz .rotate_ccw24 |
|
|
1471 |
cmp [ebx + Image.Type], Image.bpp32 |
|
|
1472 |
jz .rotate_ccw32 |
|
|
1473 |
|
|
|
1474 |
.next_column_ccw_low1x: |
|
|
1475 |
dec ecx |
|
|
1476 |
js .exchange_dims |
|
|
1477 |
push ecx |
|
|
1478 |
|
|
|
1479 |
mov edx, [scanline_len_old] |
|
|
1480 |
add [scanline_len_old], -2 |
|
|
1481 |
|
|
|
1482 |
mov ecx, [scanline_pixels_new] |
|
|
1483 |
mov esi, [ebx + Image.Data] |
|
|
1484 |
mov edi, [line_buffer] |
|
|
1485 |
@@: mov ax, [esi] |
|
|
1486 |
mov [edi], ax |
|
|
1487 |
add esi, edx |
|
|
1488 |
add edi, 2 |
|
|
1489 |
sub ecx, 1 |
|
|
1490 |
jnz @b |
|
|
1491 |
|
|
|
1492 |
mov eax, [scanline_pixels_new] |
|
|
1493 |
mov edi, [ebx + Image.Data] |
|
|
1494 |
lea esi, [edi + 2] |
|
|
1495 |
mov edx, [scanline_len_old] |
|
|
1496 |
@@: mov ecx, edx |
|
|
1497 |
shr ecx, 2 |
|
|
1498 |
rep movsd |
|
|
1499 |
mov ecx, edx |
|
|
1500 |
and ecx, 3 |
|
|
1501 |
rep movsb |
|
|
1502 |
add esi, 1 |
|
|
1503 |
sub eax, 1 |
|
|
1504 |
jnz @b |
|
|
1505 |
|
|
|
1506 |
mov eax, [scanline_len_new] |
|
|
1507 |
sub [pixels_ptr], eax |
|
|
1508 |
mov ecx, [scanline_pixels_new] |
|
|
1509 |
mov esi, [line_buffer] |
|
|
1510 |
mov edi, [pixels_ptr] |
|
|
1511 |
mov edx, ecx |
|
|
1512 |
shr ecx, 2 |
|
|
1513 |
rep movsd |
|
|
1514 |
mov ecx, edx |
|
|
1515 |
and ecx, 3 |
|
|
1516 |
rep movsb |
|
|
1517 |
|
|
|
1518 |
pop ecx |
|
|
1519 |
jmp .next_column_ccw_low1x |
|
|
1520 |
|
|
|
1521 |
.rotate_ccw32: |
|
|
1522 |
.next_column_ccw_low: |
|
|
1523 |
dec ecx |
|
|
1524 |
js .exchange_dims |
|
|
1525 |
push ecx |
|
|
1526 |
|
|
|
1527 |
mov edx, [scanline_len_old] |
|
|
1528 |
add [scanline_len_old], -4 |
|
|
1529 |
|
|
|
1530 |
mov ecx, [scanline_pixels_new] |
|
|
1531 |
mov esi, [ebx + Image.Data] |
|
|
1532 |
mov edi, [line_buffer] |
|
|
1533 |
@@: mov eax, [esi] |
|
|
1534 |
stosd |
|
|
1535 |
add esi, edx |
|
|
1536 |
dec ecx |
|
|
1537 |
jnz @b |
|
|
1538 |
|
|
|
1539 |
mov eax, [scanline_pixels_new] |
|
|
1540 |
mov edi, [ebx + Image.Data] |
|
|
1541 |
lea esi, [edi + 4] |
|
|
1542 |
mov edx, [scanline_len_old] |
|
|
1543 |
shr edx, 2 |
|
|
1544 |
@@: mov ecx, edx |
|
|
1545 |
rep movsd |
|
|
1546 |
add esi, 4 |
|
|
1547 |
dec eax |
|
|
1548 |
jnz @b |
|
|
1549 |
|
|
|
1550 |
mov eax, [scanline_len_new] |
|
|
1551 |
sub [pixels_ptr], eax |
|
|
1552 |
mov ecx, [scanline_pixels_new] |
|
|
1553 |
mov esi, [line_buffer] |
|
|
1554 |
mov edi, [pixels_ptr] |
|
|
1555 |
rep movsd |
|
|
1556 |
|
|
|
1557 |
pop ecx |
|
|
1558 |
jmp .next_column_ccw_low |
|
|
1559 |
|
|
|
1560 |
.rotate_ccw8ig: |
|
|
1561 |
.next_column_ccw_low8ig: |
|
|
1562 |
dec ecx |
|
|
1563 |
js .exchange_dims |
|
|
1564 |
push ecx |
|
|
1565 |
|
|
|
1566 |
mov edx, [scanline_len_old] |
|
|
1567 |
add [scanline_len_old], -1 |
|
|
1568 |
|
|
|
1569 |
mov ecx, [scanline_pixels_new] |
|
|
1570 |
mov esi, [ebx + Image.Data] |
|
|
1571 |
mov edi, [line_buffer] |
|
|
1572 |
@@: mov al, [esi] |
|
|
1573 |
mov [edi], al |
|
|
1574 |
add esi, edx |
|
|
1575 |
add edi, 1 |
|
|
1576 |
sub ecx, 1 |
|
|
1577 |
jnz @b |
|
|
1578 |
|
|
|
1579 |
mov eax, [scanline_pixels_new] |
|
|
1580 |
mov edi, [ebx + Image.Data] |
|
|
1581 |
lea esi, [edi + 1] |
|
|
1582 |
mov edx, [scanline_len_old] |
|
|
1583 |
@@: mov ecx, edx |
|
|
1584 |
shr ecx, 2 |
|
|
1585 |
rep movsd |
|
|
1586 |
mov ecx, edx |
|
|
1587 |
and ecx, 3 |
|
|
1588 |
rep movsb |
|
|
1589 |
add esi, 1 |
|
|
1590 |
sub eax, 1 |
|
|
1591 |
jnz @b |
|
|
1592 |
|
|
|
1593 |
mov eax, [scanline_len_new] |
|
|
1594 |
sub [pixels_ptr], eax |
|
|
1595 |
mov ecx, [scanline_pixels_new] |
|
|
1596 |
mov esi, [line_buffer] |
|
|
1597 |
mov edi, [pixels_ptr] |
|
|
1598 |
mov edx, ecx |
|
|
1599 |
shr ecx, 2 |
|
|
1600 |
rep movsd |
|
|
1601 |
mov ecx, edx |
|
|
1602 |
and ecx, 3 |
|
|
1603 |
rep movsb |
|
|
1604 |
|
|
|
1605 |
pop ecx |
|
|
1606 |
jmp .next_column_ccw_low8ig |
|
|
1607 |
|
|
|
1608 |
.rotate_ccw24: |
|
|
1609 |
.next_column_ccw_low24: |
|
|
1610 |
dec ecx |
|
|
1611 |
js .exchange_dims |
|
|
1612 |
push ecx |
|
|
1613 |
|
|
|
1614 |
mov edx, [scanline_len_old] |
|
|
1615 |
add [scanline_len_old], -3 |
|
|
1616 |
|
|
|
1617 |
mov ecx, [scanline_pixels_new] |
|
|
1618 |
mov esi, [ebx + Image.Data] |
|
|
1619 |
mov edi, [line_buffer] |
|
|
1620 |
@@: mov al, [esi] |
|
|
1621 |
mov [edi], al |
|
|
1622 |
mov al, [esi+1] |
|
|
1623 |
mov [edi+1], al |
|
|
1624 |
mov al, [esi+2] |
|
|
1625 |
mov [edi+2], al |
|
|
1626 |
add esi, edx |
|
|
1627 |
add edi, 3 |
|
|
1628 |
sub ecx, 1 |
|
|
1629 |
jnz @b |
|
|
1630 |
|
|
|
1631 |
mov eax, [scanline_pixels_new] |
|
|
1632 |
mov edi, [ebx + Image.Data] |
|
|
1633 |
lea esi, [edi + 3] |
|
|
1634 |
mov edx, [scanline_len_old] |
|
|
1635 |
@@: mov ecx, edx |
|
|
1636 |
shr ecx, 2 |
|
|
1637 |
rep movsd |
|
|
1638 |
mov ecx, edx |
|
|
1639 |
and ecx, 3 |
|
|
1640 |
rep movsb |
|
|
1641 |
add esi, 3 |
|
|
1642 |
sub eax, 1 |
|
|
1643 |
jnz @b |
|
|
1644 |
|
|
|
1645 |
mov eax, [scanline_len_new] |
|
|
1646 |
sub [pixels_ptr], eax |
|
|
1647 |
mov ecx, eax |
|
|
1648 |
mov esi, [line_buffer] |
|
|
1649 |
mov edi, [pixels_ptr] |
|
|
1650 |
shr ecx, 2 |
|
|
1651 |
rep movsd |
|
|
1652 |
mov ecx, eax |
|
|
1653 |
and ecx, 3 |
|
|
1654 |
rep movsb |
|
|
1655 |
|
|
|
1656 |
pop ecx |
|
|
1657 |
jmp .next_column_ccw_low24 |
|
|
1658 |
|
|
|
1659 |
.rotate_ccw1: |
|
|
1660 |
push ecx edx |
|
|
1661 |
|
|
|
1662 |
mov eax, [ebx + Image.Height] |
|
|
1663 |
add eax, 7 |
|
|
1664 |
shr eax, 3 |
|
|
1665 |
imul eax, [ebx + Image.Width] |
|
|
1666 |
push eax ; save new data size |
|
|
1667 |
|
|
|
1668 |
invoke mem.alloc, eax |
|
|
1669 |
or eax, eax |
|
|
1670 |
jz .error |
|
|
1671 |
push eax ; save pointer to new data |
|
|
1672 |
|
|
|
1673 |
mov ecx, [ebx + Image.Width] |
|
|
1674 |
and ecx, 7 |
|
|
1675 |
neg ecx |
|
|
1676 |
add ecx, 8 |
|
|
1677 |
and ecx, 7 |
|
|
1678 |
|
|
|
1679 |
mov edi, eax |
|
|
1680 |
mov esi, [ebx + Image.Data] |
|
|
1681 |
mov eax, 7 |
|
|
1682 |
mov edx, [scanline_len_old] |
|
|
1683 |
dec edx |
|
|
1684 |
add esi, edx |
|
|
1685 |
|
|
|
1686 |
.rotate_ccw1.begin: |
|
|
1687 |
bt [esi], ecx |
|
|
1688 |
jc .rotate_ccw1.one |
|
|
1689 |
.rotate_ccw1.zero: |
|
|
1690 |
btr [edi], eax |
|
|
1691 |
jmp @f |
|
|
1692 |
.rotate_ccw1.one: |
|
|
1693 |
bts [edi], eax |
|
|
1694 |
@@: |
|
|
1695 |
add esi, [scanline_len_old] |
|
|
1696 |
dec [scanline_pixels_new] |
|
|
1697 |
jz .rotate_ccw1.end_of_line |
|
|
1698 |
sub eax, 1 |
|
|
1699 |
adc edi, 0 |
|
|
1700 |
and eax, 7 |
|
|
1701 |
jmp .rotate_ccw1.begin |
|
|
1702 |
.rotate_ccw1.end_of_line: |
|
|
1703 |
inc edi |
|
|
1704 |
mov eax, [ebx + Image.Height] |
|
|
1705 |
mov [scanline_pixels_new], eax |
|
|
1706 |
mov eax, 7 |
|
|
1707 |
inc ecx |
|
|
1708 |
and ecx, 7 |
|
|
1709 |
jz @f |
|
|
1710 |
mov esi, [ebx + Image.Data] |
|
|
1711 |
add esi, edx |
|
|
1712 |
jmp .rotate_ccw1.begin |
|
|
1713 |
@@: |
|
|
1714 |
dec edx |
|
|
1715 |
js .rotate_ccw1.quit |
|
|
1716 |
mov esi, [ebx + Image.Data] |
|
|
1717 |
add esi, edx |
|
|
1718 |
jmp .rotate_ccw1.begin |
|
|
1719 |
.rotate_ccw1.quit: |
|
|
1720 |
pop esi ; get pointer to new data |
|
|
1721 |
mov edi, [ebx + Image.Data] |
|
|
1722 |
pop ecx ; get new data size |
|
|
1723 |
rep movsb |
|
|
1724 |
invoke mem.free, esi |
|
|
1725 |
pop edx ecx |
|
|
1726 |
jmp .exchange_dims |
|
|
1727 |
|
|
|
1728 |
|
|
|
1729 |
.rotate_ccw2i: |
|
|
1730 |
push ecx edx |
|
|
1731 |
|
|
|
1732 |
mov eax, [ebx + Image.Height] |
|
|
1733 |
add eax, 3 |
|
|
1734 |
shr eax, 2 |
|
|
1735 |
imul eax, [ebx + Image.Width] |
|
|
1736 |
push eax ; save new data size |
|
|
1737 |
|
|
|
1738 |
invoke mem.alloc, eax |
|
|
1739 |
or eax, eax |
|
|
1740 |
jz .error |
|
|
1741 |
push eax ; save pointer to new data |
|
|
1742 |
|
|
|
1743 |
mov ecx, [ebx + Image.Width] |
|
|
1744 |
and ecx, 3 |
|
|
1745 |
neg ecx |
|
|
1746 |
add ecx, 4 |
|
|
1747 |
and ecx, 3 |
|
|
1748 |
|
|
|
1749 |
mov edi, eax |
|
|
1750 |
mov esi, [ebx + Image.Data] |
|
|
1751 |
mov eax, 3 |
|
|
1752 |
mov edx, [scanline_len_old] |
|
|
1753 |
dec edx |
|
|
1754 |
add esi, edx |
|
|
1755 |
|
|
|
1756 |
.rotate_ccw2i.begin: |
|
|
1757 |
push ebx ecx |
|
|
1758 |
mov ebx, 3 |
|
|
1759 |
shl ebx, cl |
|
|
1760 |
shl ebx, cl |
|
|
1761 |
and bl, [esi] |
|
|
1762 |
shr ebx, cl |
|
|
1763 |
shr ebx, cl |
|
|
1764 |
mov bh, 3 |
|
|
1765 |
mov ecx, eax |
|
|
1766 |
shl ebx, cl |
|
|
1767 |
shl ebx, cl |
|
|
1768 |
not bh |
|
|
1769 |
and bh, [edi] |
|
|
1770 |
or bl, bh |
|
|
1771 |
mov [edi], bl |
|
|
1772 |
pop ecx ebx |
|
|
1773 |
|
|
|
1774 |
add esi, [scanline_len_old] |
|
|
1775 |
dec [scanline_pixels_new] |
|
|
1776 |
jz .rotate_ccw2i.end_of_line |
|
|
1777 |
sub eax, 1 |
|
|
1778 |
adc edi, 0 |
|
|
1779 |
and eax, 3 |
|
|
1780 |
jmp .rotate_ccw2i.begin |
|
|
1781 |
.rotate_ccw2i.end_of_line: |
|
|
1782 |
inc edi |
|
|
1783 |
mov eax, 3 |
|
|
1784 |
mov esi, [ebx + Image.Height] |
|
|
1785 |
mov [scanline_pixels_new], esi |
|
|
1786 |
inc ecx |
|
|
1787 |
and ecx, 3 |
|
|
1788 |
jz @f |
|
|
1789 |
mov esi, [ebx + Image.Data] |
|
|
1790 |
add esi, edx |
|
|
1791 |
jmp .rotate_ccw2i.begin |
|
|
1792 |
@@: |
|
|
1793 |
dec edx |
|
|
1794 |
js .rotate_ccw2i.quit |
|
|
1795 |
mov esi, [ebx + Image.Data] |
|
|
1796 |
add esi, edx |
|
|
1797 |
jmp .rotate_ccw2i.begin |
|
|
1798 |
.rotate_ccw2i.quit: |
|
|
1799 |
pop esi ; get pointer to new data |
|
|
1800 |
mov edi, [ebx + Image.Data] |
|
|
1801 |
pop ecx ; get new data size |
|
|
1802 |
rep movsb |
|
|
1803 |
invoke mem.free, esi |
|
|
1804 |
pop edx ecx |
|
|
1805 |
jmp .exchange_dims |
|
|
1806 |
|
|
|
1807 |
|
|
|
1808 |
.rotate_ccw4i: |
|
|
1809 |
push ecx edx |
|
|
1810 |
|
|
|
1811 |
mov eax, [ebx + Image.Height] |
|
|
1812 |
add eax, 1 |
|
|
1813 |
shr eax, 1 |
|
|
1814 |
imul eax, [ebx + Image.Width] |
|
|
1815 |
push eax ; save new data size |
|
|
1816 |
|
|
|
1817 |
invoke mem.alloc, eax |
|
|
1818 |
or eax, eax |
|
|
1819 |
jz .error |
|
|
1820 |
push eax ; save pointer to new data |
|
|
1821 |
|
|
|
1822 |
mov ecx, [ebx + Image.Width] |
|
|
1823 |
and ecx, 1 |
|
|
1824 |
neg ecx |
|
|
1825 |
add ecx, 2 |
|
|
1826 |
and ecx, 1 |
|
|
1827 |
|
|
|
1828 |
mov edi, eax |
|
|
1829 |
mov esi, [ebx + Image.Data] |
|
|
1830 |
mov eax, 1 |
|
|
1831 |
mov edx, [scanline_len_old] |
|
|
1832 |
dec edx |
|
|
1833 |
add esi, edx |
|
|
1834 |
|
|
|
1835 |
.rotate_ccw4i.begin: |
|
|
1836 |
push ebx ecx |
|
|
1837 |
mov ebx, 15 |
|
|
1838 |
shl ecx, 2 |
|
|
1839 |
shl ebx, cl |
|
|
1840 |
and bl, [esi] |
|
|
1841 |
shr ebx, cl |
|
|
1842 |
mov bh, 15 |
|
|
1843 |
mov ecx, eax |
|
|
1844 |
shl ecx, 2 |
|
|
1845 |
shl ebx, cl |
|
|
1846 |
not bh |
|
|
1847 |
and bh, [edi] |
|
|
1848 |
or bl, bh |
|
|
1849 |
mov [edi], bl |
|
|
1850 |
pop ecx ebx |
|
|
1851 |
|
|
|
1852 |
add esi, [scanline_len_old] |
|
|
1853 |
dec [scanline_pixels_new] |
|
|
1854 |
jz .rotate_ccw4i.end_of_line |
|
|
1855 |
sub eax, 1 |
|
|
1856 |
adc edi, 0 |
|
|
1857 |
and eax, 1 |
|
|
1858 |
jmp .rotate_ccw4i.begin |
|
|
1859 |
.rotate_ccw4i.end_of_line: |
|
|
1860 |
inc edi |
|
|
1861 |
mov eax, 1 |
|
|
1862 |
mov esi, [ebx + Image.Height] |
|
|
1863 |
mov [scanline_pixels_new], esi |
|
|
1864 |
inc ecx |
|
|
1865 |
and ecx, 1 |
|
|
1866 |
jz @f |
|
|
1867 |
mov esi, [ebx + Image.Data] |
|
|
1868 |
add esi, edx |
|
|
1869 |
jmp .rotate_ccw4i.begin |
|
|
1870 |
@@: |
|
|
1871 |
dec edx |
|
|
1872 |
js .rotate_ccw4i.quit |
|
|
1873 |
mov esi, [ebx + Image.Data] |
|
|
1874 |
add esi, edx |
|
|
1875 |
jmp .rotate_ccw4i.begin |
|
|
1876 |
.rotate_ccw4i.quit: |
|
|
1877 |
pop esi ; get pointer to new data |
|
|
1878 |
mov edi, [ebx + Image.Data] |
|
|
1879 |
pop ecx ; get new data size |
|
|
1880 |
rep movsb |
|
|
1881 |
invoke mem.free, esi |
|
|
1882 |
pop edx ecx |
|
|
1883 |
jmp .exchange_dims |
|
|
1884 |
|
|
|
1885 |
|
|
|
1886 |
|
|
|
1887 |
.rotate_cw_low: |
|
|
1888 |
mov eax, [ebx + Image.Height] |
|
|
1889 |
mov [scanline_pixels_new], eax |
|
|
1890 |
call img._.get_scanline_len |
|
|
1891 |
mov [scanline_len_new], eax |
|
|
1892 |
|
|
|
1893 |
invoke mem.alloc, eax |
|
|
1894 |
or eax, eax |
|
|
1895 |
jz .error |
|
|
1896 |
mov [line_buffer], eax |
|
|
1897 |
|
|
|
1898 |
mov eax, [ebx + Image.Width] |
|
|
1899 |
mov ecx, eax |
|
|
1900 |
call img._.get_scanline_len |
|
|
1901 |
mov [scanline_len_old], eax |
|
|
1902 |
|
|
|
1903 |
mov eax, [scanline_len_new] |
|
|
1904 |
imul eax, ecx |
|
|
1905 |
add eax, [ebx + Image.Data] |
|
|
1906 |
mov [pixels_ptr], eax |
|
|
1907 |
|
|
|
1908 |
cmp [ebx + Image.Type], Image.bpp1 |
|
|
1909 |
jz .rotate_cw1 |
|
|
1910 |
cmp [ebx + Image.Type], Image.bpp2i |
|
|
1911 |
jz .rotate_cw2i |
|
|
1912 |
cmp [ebx + Image.Type], Image.bpp4i |
|
|
1913 |
jz .rotate_cw4i |
|
|
1914 |
cmp [ebx + Image.Type], Image.bpp8i |
|
|
1915 |
jz .rotate_cw8ig |
|
|
1916 |
cmp [ebx + Image.Type], Image.bpp8g |
|
|
1917 |
jz .rotate_cw8ig |
|
|
1918 |
cmp [ebx + Image.Type], Image.bpp24 |
|
|
1919 |
jz .rotate_cw24 |
|
|
1920 |
cmp [ebx + Image.Type], Image.bpp32 |
|
|
1921 |
jz .rotate_cw32 |
|
|
1922 |
|
|
|
1923 |
.next_column_cw_low1x: |
|
|
1924 |
dec ecx |
|
|
1925 |
js .exchange_dims |
|
|
1926 |
push ecx |
|
|
1927 |
|
|
|
1928 |
mov edx, [scanline_len_old] |
|
|
1929 |
add [scanline_len_old], -2 |
|
|
1930 |
|
|
|
1931 |
mov ecx, [scanline_pixels_new] |
|
|
1932 |
mov esi, [pixels_ptr] |
|
|
1933 |
add esi, -2 |
|
|
1934 |
mov edi, [line_buffer] |
|
|
1935 |
@@: mov ax, [esi] |
|
|
1936 |
mov [edi], ax |
|
|
1937 |
sub esi, edx |
|
|
1938 |
add edi, 2 |
|
|
1939 |
sub ecx, 1 |
|
|
1940 |
jnz @b |
|
|
1941 |
|
|
|
1942 |
mov eax, [scanline_pixels_new] |
|
|
1943 |
dec eax |
|
|
1944 |
mov edi, [ebx + Image.Data] |
|
|
1945 |
add edi, [scanline_len_old] |
|
|
1946 |
lea esi, [edi + 2] |
|
|
1947 |
mov edx, [scanline_len_old] |
|
|
1948 |
@@: mov ecx, edx |
|
|
1949 |
shr ecx, 2 |
|
|
1950 |
rep movsd |
|
|
1951 |
mov ecx, edx |
|
|
1952 |
and ecx, 3 |
|
|
1953 |
rep movsb |
|
|
1954 |
add esi, 3 |
|
|
1955 |
sub eax, 1 |
|
|
1956 |
jnz @b |
|
|
1957 |
|
|
|
1958 |
mov eax, [scanline_len_new] |
|
|
1959 |
sub [pixels_ptr], eax |
|
|
1960 |
mov ecx, eax |
|
|
1961 |
mov esi, [line_buffer] |
|
|
1962 |
mov edi, [pixels_ptr] |
|
|
1963 |
shr ecx, 2 |
|
|
1964 |
rep movsd |
|
|
1965 |
mov ecx, eax |
|
|
1966 |
and ecx, 3 |
|
|
1967 |
rep movsb |
|
|
1968 |
|
|
|
1969 |
pop ecx |
|
|
1970 |
jmp .next_column_cw_low1x |
|
|
1971 |
|
|
|
1972 |
.rotate_cw32: |
|
|
1973 |
.next_column_cw_low: |
|
|
1974 |
dec ecx |
|
|
1975 |
js .exchange_dims |
|
|
1976 |
push ecx |
|
|
1977 |
|
|
|
1978 |
mov edx, [scanline_len_old] |
|
|
1979 |
add [scanline_len_old], -4 |
|
|
1980 |
|
|
|
1981 |
mov ecx, [scanline_pixels_new] |
|
|
1982 |
mov esi, [pixels_ptr] |
|
|
1983 |
add esi, -4 |
|
|
1984 |
mov edi, [line_buffer] |
|
|
1985 |
@@: mov eax, [esi] |
|
|
1986 |
stosd |
|
|
1987 |
sub esi, edx |
|
|
1988 |
dec ecx |
|
|
1989 |
jnz @b |
|
|
1990 |
|
|
|
1991 |
mov eax, [scanline_pixels_new] |
|
|
1992 |
dec eax |
|
|
1993 |
mov edi, [ebx + Image.Data] |
|
|
1994 |
add edi, [scanline_len_old] |
|
|
1995 |
lea esi, [edi + 4] |
|
|
1996 |
mov edx, [scanline_len_old] |
|
|
1997 |
shr edx, 2 |
|
|
1998 |
@@: mov ecx, edx |
|
|
1999 |
rep movsd |
|
|
2000 |
add esi, 4 |
|
|
2001 |
dec eax |
|
|
2002 |
jnz @b |
|
|
2003 |
|
|
|
2004 |
mov eax, [scanline_len_new] |
|
|
2005 |
sub [pixels_ptr], eax |
|
|
2006 |
mov ecx, [scanline_pixels_new] |
|
|
2007 |
mov esi, [line_buffer] |
|
|
2008 |
mov edi, [pixels_ptr] |
|
|
2009 |
rep movsd |
|
|
2010 |
|
|
|
2011 |
pop ecx |
|
|
2012 |
jmp .next_column_cw_low |
|
|
2013 |
|
|
|
2014 |
.rotate_cw8ig: |
|
|
2015 |
.next_column_cw_low8ig: |
|
|
2016 |
dec ecx |
|
|
2017 |
js .exchange_dims |
|
|
2018 |
push ecx |
|
|
2019 |
|
|
|
2020 |
mov edx, [scanline_len_old] |
|
|
2021 |
add [scanline_len_old], -1 |
|
|
2022 |
|
|
|
2023 |
mov ecx, [scanline_pixels_new] |
|
|
2024 |
mov esi, [pixels_ptr] |
|
|
2025 |
add esi, -1 |
|
|
2026 |
mov edi, [line_buffer] |
|
|
2027 |
@@: mov al, [esi] |
|
|
2028 |
mov [edi], al |
|
|
2029 |
sub esi, edx |
|
|
2030 |
add edi, 1 |
|
|
2031 |
sub ecx, 1 |
|
|
2032 |
jnz @b |
|
|
2033 |
|
|
|
2034 |
mov eax, [scanline_pixels_new] |
|
|
2035 |
dec eax |
|
|
2036 |
mov edi, [ebx + Image.Data] |
|
|
2037 |
add edi, [scanline_len_old] |
|
|
2038 |
lea esi, [edi + 1] |
|
|
2039 |
mov edx, [scanline_len_old] |
|
|
2040 |
@@: mov ecx, edx |
|
|
2041 |
shr ecx, 2 |
|
|
2042 |
rep movsd |
|
|
2043 |
mov ecx, edx |
|
|
2044 |
and ecx, 3 |
|
|
2045 |
rep movsb |
|
|
2046 |
add esi, 1 |
|
|
2047 |
sub eax, 1 |
|
|
2048 |
jnz @b |
|
|
2049 |
|
|
|
2050 |
mov eax, [scanline_len_new] |
|
|
2051 |
sub [pixels_ptr], eax |
|
|
2052 |
mov ecx, eax |
|
|
2053 |
mov esi, [line_buffer] |
|
|
2054 |
mov edi, [pixels_ptr] |
|
|
2055 |
shr ecx, 2 |
|
|
2056 |
rep movsd |
|
|
2057 |
mov ecx, eax |
|
|
2058 |
and ecx, 3 |
|
|
2059 |
rep movsb |
|
|
2060 |
|
|
|
2061 |
pop ecx |
|
|
2062 |
jmp .next_column_cw_low8ig |
|
|
2063 |
|
|
|
2064 |
.rotate_cw24: |
|
|
2065 |
.next_column_cw_low24: |
|
|
2066 |
dec ecx |
|
|
2067 |
js .exchange_dims |
|
|
2068 |
push ecx |
|
|
2069 |
|
|
|
2070 |
mov edx, [scanline_len_old] |
|
|
2071 |
add [scanline_len_old], -3 |
|
|
2072 |
|
|
|
2073 |
mov ecx, [scanline_pixels_new] |
|
|
2074 |
mov esi, [pixels_ptr] |
|
|
2075 |
add esi, -3 |
|
|
2076 |
mov edi, [line_buffer] |
|
|
2077 |
@@: mov al, [esi] |
|
|
2078 |
mov [edi], al |
|
|
2079 |
mov al, [esi+1] |
|
|
2080 |
mov [edi+1], al |
|
|
2081 |
mov al, [esi+2] |
|
|
2082 |
mov [edi+2], al |
|
|
2083 |
sub esi, edx |
|
|
2084 |
add edi, 3 |
|
|
2085 |
sub ecx, 1 |
|
|
2086 |
jnz @b |
|
|
2087 |
|
|
|
2088 |
mov eax, [scanline_pixels_new] |
|
|
2089 |
dec eax |
|
|
2090 |
mov edi, [ebx + Image.Data] |
|
|
2091 |
add edi, [scanline_len_old] |
|
|
2092 |
lea esi, [edi + 3] |
|
|
2093 |
mov edx, [scanline_len_old] |
|
|
2094 |
@@: mov ecx, edx |
|
|
2095 |
shr ecx, 2 |
|
|
2096 |
rep movsd |
|
|
2097 |
mov ecx, edx |
|
|
2098 |
and ecx, 3 |
|
|
2099 |
rep movsb |
|
|
2100 |
add esi, 3 |
|
|
2101 |
sub eax, 1 |
|
|
2102 |
jnz @b |
|
|
2103 |
|
|
|
2104 |
mov eax, [scanline_len_new] |
|
|
2105 |
sub [pixels_ptr], eax |
|
|
2106 |
mov ecx, eax |
|
|
2107 |
mov esi, [line_buffer] |
|
|
2108 |
mov edi, [pixels_ptr] |
|
|
2109 |
shr ecx, 2 |
|
|
2110 |
rep movsd |
|
|
2111 |
mov ecx, eax |
|
|
2112 |
and ecx, 3 |
|
|
2113 |
rep movsb |
|
|
2114 |
|
|
|
2115 |
pop ecx |
|
|
2116 |
jmp .next_column_cw_low24 |
|
|
2117 |
|
|
|
2118 |
|
|
|
2119 |
.rotate_cw1: |
|
|
2120 |
push ecx edx |
|
|
2121 |
|
|
|
2122 |
mov eax, [ebx + Image.Height] |
|
|
2123 |
add eax, 7 |
|
|
2124 |
shr eax, 3 |
|
|
2125 |
imul [ebx + Image.Width] |
|
|
2126 |
push eax ; save new data size |
|
|
2127 |
|
|
|
2128 |
invoke mem.alloc, eax |
|
|
2129 |
or eax, eax |
|
|
2130 |
jz .error |
|
|
2131 |
push eax ; save pointer to new data |
|
|
2132 |
|
|
|
2133 |
mov edi, eax |
|
|
2134 |
mov esi, [ebx + Image.Data] |
|
|
2135 |
mov eax, [ebx + Image.Height] |
|
|
2136 |
dec eax |
|
|
2137 |
imul eax, [scanline_len_old] |
|
|
2138 |
add esi, eax |
|
|
2139 |
mov eax, 7 |
|
|
2140 |
mov ecx, 7 |
|
|
2141 |
mov edx, 0 |
|
|
2142 |
|
|
|
2143 |
.rotate_cw1.begin: |
|
|
2144 |
bt [esi], ecx |
|
|
2145 |
jc .rotate_cw1.one |
|
|
2146 |
.rotate_cw1.zero: |
|
|
2147 |
btr [edi], eax |
|
|
2148 |
jmp @f |
|
|
2149 |
.rotate_cw1.one: |
|
|
2150 |
bts [edi], eax |
|
|
2151 |
@@: |
|
|
2152 |
sub esi, [scanline_len_old] |
|
|
2153 |
dec [scanline_pixels_new] |
|
|
2154 |
jz .rotate_cw1.end_of_line |
|
|
2155 |
sub eax, 1 |
|
|
2156 |
adc edi, 0 |
|
|
2157 |
and eax, 7 |
|
|
2158 |
jmp .rotate_cw1.begin |
|
|
2159 |
.rotate_cw1.end_of_line: |
|
|
2160 |
inc edi |
|
|
2161 |
mov eax, [ebx + Image.Height] |
|
|
2162 |
mov [scanline_pixels_new], eax |
|
|
2163 |
mov eax, 7 |
|
|
2164 |
dec ecx |
|
|
2165 |
jns @f |
|
|
2166 |
mov ecx, 7 |
|
|
2167 |
inc edx |
|
|
2168 |
cmp edx, [scanline_len_old] |
|
|
2169 |
je .rotate_cw1.quit |
|
|
2170 |
@@: |
|
|
2171 |
mov esi, [ebx + Image.Height] |
|
|
2172 |
dec esi |
|
|
2173 |
imul esi, [scanline_len_old] |
|
|
2174 |
add esi, [ebx + Image.Data] |
|
|
2175 |
add esi, edx |
|
|
2176 |
jmp .rotate_cw1.begin |
|
|
2177 |
.rotate_cw1.quit: |
|
|
2178 |
pop eax ; get pointer to new data |
|
|
2179 |
mov esi, eax |
|
|
2180 |
mov edi, [ebx + Image.Data] |
|
|
2181 |
pop ecx ; get new data size |
|
|
2182 |
rep movsb |
|
|
2183 |
invoke mem.free, eax |
|
|
2184 |
pop edx ecx |
|
|
2185 |
jmp .exchange_dims |
|
|
2186 |
|
|
|
2187 |
|
|
|
2188 |
.rotate_cw2i: |
|
|
2189 |
push ecx edx |
|
|
2190 |
|
|
|
2191 |
mov eax, [ebx + Image.Height] |
|
|
2192 |
add eax, 3 |
|
|
2193 |
shr eax, 2 |
|
|
2194 |
imul [ebx + Image.Width] |
|
|
2195 |
push eax ; save new data size |
|
|
2196 |
|
|
|
2197 |
invoke mem.alloc, eax |
|
|
2198 |
or eax, eax |
|
|
2199 |
jz .error |
|
|
2200 |
push eax ; save pointer to new data |
|
|
2201 |
|
|
|
2202 |
mov edi, eax |
|
|
2203 |
mov esi, [ebx + Image.Data] |
|
|
2204 |
mov eax, [ebx + Image.Height] |
|
|
2205 |
dec eax |
|
|
2206 |
imul eax, [scanline_len_old] |
|
|
2207 |
add esi, eax |
|
|
2208 |
mov eax, 3 |
|
|
2209 |
mov ecx, 3 |
|
|
2210 |
mov edx, 0 |
|
|
2211 |
|
|
|
2212 |
.rotate_cw2i.begin: |
|
|
2213 |
push ebx ecx |
|
|
2214 |
mov ebx, 3 |
|
|
2215 |
shl ebx, cl |
|
|
2216 |
shl ebx, cl |
|
|
2217 |
and bl, [esi] |
|
|
2218 |
shr ebx, cl |
|
|
2219 |
shr ebx, cl |
|
|
2220 |
mov bh, 3 |
|
|
2221 |
mov ecx, eax |
|
|
2222 |
shl ebx, cl |
|
|
2223 |
shl ebx, cl |
|
|
2224 |
not bh |
|
|
2225 |
and bh, [edi] |
|
|
2226 |
or bl, bh |
|
|
2227 |
mov [edi], bl |
|
|
2228 |
pop ecx ebx |
|
|
2229 |
|
|
|
2230 |
sub esi, [scanline_len_old] |
|
|
2231 |
dec [scanline_pixels_new] |
|
|
2232 |
jz .rotate_cw2i.end_of_line |
|
|
2233 |
sub eax, 1 |
|
|
2234 |
adc edi, 0 |
|
|
2235 |
and eax, 3 |
|
|
2236 |
jmp .rotate_cw2i.begin |
|
|
2237 |
.rotate_cw2i.end_of_line: |
|
|
2238 |
inc edi |
|
|
2239 |
mov eax, [ebx + Image.Height] |
|
|
2240 |
mov [scanline_pixels_new], eax |
|
|
2241 |
mov eax, 3 |
|
|
2242 |
dec ecx |
|
|
2243 |
jns @f |
|
|
2244 |
mov ecx, 3 |
|
|
2245 |
inc edx |
|
|
2246 |
cmp edx, [scanline_len_old] |
|
|
2247 |
je .rotate_cw2i.quit |
|
|
2248 |
@@: |
|
|
2249 |
mov esi, [ebx + Image.Height] |
|
|
2250 |
dec esi |
|
|
2251 |
imul esi, [scanline_len_old] |
|
|
2252 |
add esi, [ebx + Image.Data] |
|
|
2253 |
add esi, edx |
|
|
2254 |
jmp .rotate_cw2i.begin |
|
|
2255 |
.rotate_cw2i.quit: |
|
|
2256 |
pop eax ; get pointer to new data |
|
|
2257 |
mov esi, eax |
|
|
2258 |
mov edi, [ebx + Image.Data] |
|
|
2259 |
pop ecx ; get new data size |
|
|
2260 |
rep movsb |
|
|
2261 |
invoke mem.free, eax |
|
|
2262 |
pop edx ecx |
|
|
2263 |
jmp .exchange_dims |
|
|
2264 |
|
|
|
2265 |
|
|
|
2266 |
.rotate_cw4i: |
|
|
2267 |
push ecx edx |
|
|
2268 |
|
|
|
2269 |
mov eax, [ebx + Image.Height] |
|
|
2270 |
add eax, 1 |
|
|
2271 |
shr eax, 1 |
|
|
2272 |
imul [ebx + Image.Width] |
|
|
2273 |
push eax ; save new data size |
|
|
2274 |
|
|
|
2275 |
invoke mem.alloc, eax |
|
|
2276 |
or eax, eax |
|
|
2277 |
jz .error |
|
|
2278 |
push eax ; save pointer to new data |
|
|
2279 |
|
|
|
2280 |
mov edi, eax |
|
|
2281 |
mov esi, [ebx + Image.Data] |
|
|
2282 |
mov eax, [ebx + Image.Height] |
|
|
2283 |
dec eax |
|
|
2284 |
imul eax, [scanline_len_old] |
|
|
2285 |
add esi, eax |
|
|
2286 |
mov eax, 1 |
|
|
2287 |
mov ecx, 1 |
|
|
2288 |
mov edx, 0 |
|
|
2289 |
|
|
|
2290 |
.rotate_cw4i.begin: |
|
|
2291 |
push ebx ecx |
|
|
2292 |
mov ebx, 15 |
|
|
2293 |
shl ecx, 2 |
|
|
2294 |
shl ebx, cl |
|
|
2295 |
and bl, [esi] |
|
|
2296 |
shr ebx, cl |
|
|
2297 |
mov bh, 15 |
|
|
2298 |
mov ecx, eax |
|
|
2299 |
shl ecx, 2 |
|
|
2300 |
shl ebx, cl |
|
|
2301 |
not bh |
|
|
2302 |
and bh, [edi] |
|
|
2303 |
or bl, bh |
|
|
2304 |
mov [edi], bl |
|
|
2305 |
pop ecx ebx |
|
|
2306 |
|
|
|
2307 |
sub esi, [scanline_len_old] |
|
|
2308 |
dec [scanline_pixels_new] |
|
|
2309 |
jz .rotate_cw4i.end_of_line |
|
|
2310 |
sub eax, 1 |
|
|
2311 |
adc edi, 0 |
|
|
2312 |
and eax, 1 |
|
|
2313 |
jmp .rotate_cw4i.begin |
|
|
2314 |
.rotate_cw4i.end_of_line: |
|
|
2315 |
inc edi |
|
|
2316 |
mov eax, [ebx + Image.Height] |
|
|
2317 |
mov [scanline_pixels_new], eax |
|
|
2318 |
mov eax, 1 |
|
|
2319 |
dec ecx |
|
|
2320 |
jns @f |
|
|
2321 |
mov ecx, 1 |
|
|
2322 |
inc edx |
|
|
2323 |
cmp edx, [scanline_len_old] |
|
|
2324 |
je .rotate_cw4i.quit |
|
|
2325 |
@@: |
|
|
2326 |
mov esi, [ebx + Image.Height] |
|
|
2327 |
dec esi |
|
|
2328 |
imul esi, [scanline_len_old] |
|
|
2329 |
add esi, [ebx + Image.Data] |
|
|
2330 |
add esi, edx |
|
|
2331 |
jmp .rotate_cw4i.begin |
|
|
2332 |
.rotate_cw4i.quit: |
|
|
2333 |
pop eax ; get pointer to new data |
|
|
2334 |
mov esi, eax |
|
|
2335 |
mov edi, [ebx + Image.Data] |
|
|
2336 |
pop ecx ; get new data size |
|
|
2337 |
rep movsb |
|
|
2338 |
invoke mem.free, eax |
|
|
2339 |
pop edx ecx |
|
|
2340 |
jmp .exchange_dims |
|
|
2341 |
|
|
|
2342 |
|
|
|
2343 |
.flip: |
|
|
2344 |
stdcall img.flip.layer, [_img], FLIP_VERTICAL |
|
|
2345 |
test eax, eax |
|
|
2346 |
jz .error |
|
|
2347 |
jmp .exit |
|
|
2348 |
|
|
|
2349 |
.exchange_dims: |
|
|
2350 |
push [ebx + Image.Width] [ebx + Image.Height] |
|
|
2351 |
pop [ebx + Image.Width] [ebx + Image.Height] |
|
|
2352 |
|
|
|
2353 |
.exit: |
|
|
2354 |
invoke mem.free, [line_buffer] |
|
|
2355 |
xor eax, eax |
|
|
2356 |
inc eax |
|
|
2357 |
pop edi esi ebx |
|
|
2358 |
ret |
|
|
2359 |
|
|
|
2360 |
.error: |
|
|
2361 |
invoke mem.free, [line_buffer] |
|
|
2362 |
xor eax, eax |
|
|
2363 |
pop edi esi ebx |
|
|
2364 |
ret |
|
|
2365 |
endp |
|
|
2366 |
|
|
|
2367 |
;;================================================================================================;; |
|
|
2368 |
proc img.rotate _img, _rotate_kind ;//////////////////////////////////////////////////////////////;; |
|
|
2369 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2370 |
;? Rotate all layers of image ;; |
|
|
2371 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2372 |
;> _img = pointer to image ;; |
|
|
2373 |
;> _rotate_kind = one of ROTATE_* constants ;; |
|
|
2374 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2375 |
;< eax = false / true ;; |
|
|
2376 |
;;================================================================================================;; |
|
|
2377 |
push 1 |
|
|
2378 |
mov ebx, [_img] |
|
|
2379 |
@@: |
|
|
2380 |
mov eax, [ebx + Image.Previous] |
|
|
2381 |
test eax, eax |
|
|
2382 |
jz .loop |
|
|
2383 |
mov ebx, eax |
|
|
2384 |
jmp @b |
|
|
2385 |
.loop: |
|
|
2386 |
stdcall img.rotate.layer, ebx, [_rotate_kind] |
|
|
2387 |
test eax, eax |
|
|
2388 |
jnz @f |
|
|
2389 |
mov byte [esp], 0 |
|
|
2390 |
@@: |
|
|
2391 |
mov ebx, [ebx + Image.Next] |
|
|
2392 |
test ebx, ebx |
|
|
2393 |
jnz .loop |
|
|
2394 |
pop eax |
|
|
2395 |
ret |
|
|
2396 |
endp |
|
|
2397 |
|
|
|
2398 |
;;================================================================================================;; |
|
|
2399 |
proc img.draw _img, _x, _y, _width, _height, _xpos, _ypos ;///////////////////////////////////////;; |
|
|
2400 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2401 |
;? Draw image in the window ;; |
|
|
2402 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2403 |
;> _img = pointer to image ;; |
|
|
2404 |
;>_x = x-coordinate in the window ;; |
|
|
2405 |
;>_y = y-coordinate in the window ;; |
|
|
2406 |
;>_width = maximum width to draw ;; |
|
|
2407 |
;>_height = maximum height to draw ;; |
|
|
2408 |
;>_xpos = offset in image by x-axis ;; |
|
|
2409 |
;>_ypos = offset in image by y-axis ;; |
|
|
2410 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2411 |
;< no return value ;; |
|
|
2412 |
;;================================================================================================;; |
|
|
2413 |
push ebx esi edi |
|
|
2414 |
mov ebx, [_img] |
|
|
2415 |
stdcall img._.validate, ebx |
|
|
2416 |
test eax, eax |
|
|
2417 |
jnz .done |
|
|
2418 |
mov ecx, [ebx + Image.Width] |
|
|
2419 |
sub ecx, [_xpos] |
|
|
2420 |
jbe .done |
|
|
2421 |
cmp ecx, [_width] |
|
|
2422 |
jb @f |
|
|
2423 |
mov ecx, [_width] |
|
|
2424 |
@@: |
|
|
2425 |
mov edx, [ebx + Image.Height] |
|
|
2426 |
sub edx, [_ypos] |
|
|
2427 |
jbe .done |
|
|
2428 |
cmp edx, [_height] |
|
|
2429 |
jb @f |
|
|
2430 |
mov edx, [_height] |
|
|
2431 |
@@: |
|
|
2432 |
mov eax, [ebx + Image.Width] |
|
|
2433 |
sub eax, ecx |
|
|
2434 |
call img._.get_scanline_len |
|
|
2435 |
shl ecx, 16 |
|
|
2436 |
add ecx, edx |
|
|
2437 |
push eax |
|
|
2438 |
mov eax, [ebx + Image.Width] |
|
|
2439 |
imul eax, [_ypos] |
|
|
2440 |
add eax, [_xpos] |
|
|
2441 |
call img._.get_scanline_len |
|
|
2442 |
add eax, [ebx + Image.Data] |
|
|
2443 |
mov edx, [_x - 2] |
|
|
2444 |
mov dx, word [_y] |
|
|
2445 |
mov esi, [ebx + Image.Type] |
|
|
2446 |
mov esi, [type2bpp + (esi-1)*4] |
|
|
2447 |
mov edi, [ebx + Image.Palette] |
|
|
2448 |
xchg eax, ebx |
|
|
2449 |
pop eax |
|
|
2450 |
push ebp |
|
|
2451 |
push 65 |
|
|
2452 |
pop ebp |
|
|
2453 |
xchg eax, ebp |
|
|
2454 |
int 40h |
|
|
2455 |
pop ebp |
|
|
2456 |
.done: |
|
|
2457 |
pop edi esi ebx |
|
|
2458 |
ret |
|
|
2459 |
endp |
|
|
2460 |
|
|
|
2461 |
|
|
|
2462 |
align 4 |
|
|
2463 |
img.formats_table: |
|
|
2464 |
.bmp dd LIBIMG_FORMAT_BMP, img.is.bmp, img.decode.bmp, img.encode.bmp, 1 + (1 SHL Image.bpp24) + (1 SHL Image.bpp32) |
|
|
2465 |
.ico dd LIBIMG_FORMAT_ICO, img.is.ico, img.decode.ico_cur, img.encode.ico, 0 |
|
|
2466 |
.cur dd LIBIMG_FORMAT_CUR, img.is.cur, img.decode.ico_cur, img.encode.cur, 0 |
|
|
2467 |
.gif dd LIBIMG_FORMAT_GIF, img.is.gif, img.decode.gif, img.encode.gif, 0 |
|
|
2468 |
.png dd LIBIMG_FORMAT_PNG, img.is.png, img.decode.png, img.encode.png, 1 + (1 SHL Image.bpp24) |
|
|
2469 |
.jpg dd LIBIMG_FORMAT_JPEG, img.is.jpg, img.decode.jpg, img.encode.jpg, 0 |
|
|
2470 |
.tga dd LIBIMG_FORMAT_TGA, img.is.tga, img.decode.tga, img.encode.tga, 0 |
|
|
2471 |
.pcx dd LIBIMG_FORMAT_PCX, img.is.pcx, img.decode.pcx, img.encode.pcx, 0 |
|
|
2472 |
.xcf dd LIBIMG_FORMAT_XCF, img.is.xcf, img.decode.xcf, img.encode.xcf, 0 |
|
|
2473 |
.tiff dd LIBIMG_FORMAT_TIFF, img.is.tiff, img.decode.tiff, img.encode.tiff,0 |
|
|
2474 |
.pnm dd LIBIMG_FORMAT_PNM, img.is.pnm, img.decode.pnm, img.encode.pnm, 1 + (1 SHL Image.bpp1) + (1 SHL Image.bpp8g) + (1 SHL Image.bpp24) |
|
|
2475 |
.wbmp dd LIBIMG_FORMAT_WBMP, img.is.wbmp, img.decode.wbmp, img.encode.wbmp,0 |
|
|
2476 |
.xbm dd LIBIMG_FORMAT_XBM, img.is.xbm, img.decode.xbm, img.encode.xbm, 0 |
|
|
2477 |
.z80 dd LIBIMG_FORMAT_Z80, img.is.z80, img.decode.z80, img.encode.z80, 0 ;this must be the last entry as there are no signatures in z80 screens at all |
|
|
2478 |
dd 0 |
|
|
2479 |
|
|
|
2480 |
;;================================================================================================;; |
|
|
2481 |
;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
|
|
2482 |
;;================================================================================================;; |
|
|
2483 |
;! Below are private procs you should never call directly from your code ;; |
|
|
2484 |
;;================================================================================================;; |
|
|
2485 |
;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
|
|
2486 |
;;================================================================================================;; |
|
|
2487 |
|
|
|
2488 |
|
|
|
2489 |
;;================================================================================================;; |
|
|
2490 |
proc img._.validate, _img ;///////////////////////////////////////////////////////////////////////;; |
|
|
2491 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2492 |
;? --- TBD --- ;; |
|
|
2493 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2494 |
;> --- TBD --- ;; |
|
|
2495 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2496 |
;< --- TBD --- ;; |
|
|
2497 |
;;================================================================================================;; |
|
|
2498 |
xor eax, eax |
|
|
2499 |
ret |
|
|
2500 |
endp |
|
|
2501 |
|
|
|
2502 |
;;================================================================================================;; |
|
|
2503 |
proc img._.new ;//////////////////////////////////////////////////////////////////////////////////;; |
|
|
2504 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2505 |
;? --- TBD --- ;; |
|
|
2506 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2507 |
;> --- TBD --- ;; |
|
|
2508 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2509 |
;< eax = 0 / pointer to image ;; |
|
|
2510 |
;;================================================================================================;; |
|
|
2511 |
invoke mem.alloc, sizeof.Image |
|
|
2512 |
test eax, eax |
|
|
2513 |
jz @f |
|
|
2514 |
push ecx |
|
|
2515 |
xor ecx, ecx |
|
|
2516 |
mov [eax + Image.Data], ecx |
|
|
2517 |
mov [eax + Image.Type], ecx |
|
|
2518 |
mov [eax + Image.Flags], ecx |
|
|
2519 |
mov [eax + Image.Extended], ecx |
|
|
2520 |
mov [eax + Image.Previous], ecx |
|
|
2521 |
mov [eax + Image.Next], ecx |
|
|
2522 |
pop ecx |
|
|
2523 |
@@: |
|
|
2524 |
ret |
|
|
2525 |
endp |
|
|
2526 |
|
|
|
2527 |
;;================================================================================================;; |
|
|
2528 |
proc img._.delete _img ;//////////////////////////////////////////////////////////////////////////;; |
|
|
2529 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2530 |
;? --- TBD --- ;; |
|
|
2531 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2532 |
;> --- TBD --- ;; |
|
|
2533 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2534 |
;< eax = false / true ;; |
|
|
2535 |
;;================================================================================================;; |
|
|
2536 |
push edx |
|
|
2537 |
mov edx, [_img] |
|
|
2538 |
cmp [edx + Image.Data], 0 |
|
|
2539 |
je @f |
|
|
2540 |
invoke mem.free, [edx + Image.Data] |
|
|
2541 |
@@: cmp [edx + Image.Extended], 0 |
|
|
2542 |
je @f |
|
|
2543 |
invoke mem.free, [edx + Image.Extended] |
|
|
2544 |
@@: invoke mem.free, edx |
|
|
2545 |
pop edx |
|
|
2546 |
ret |
|
|
2547 |
endp |
|
|
2548 |
|
|
|
2549 |
;;================================================================================================;; |
|
|
2550 |
proc img._.resize_data _img, _width, _height ;////////////////////////////////////////////////////;; |
|
|
2551 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2552 |
;? --- TBD --- ;; |
|
|
2553 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2554 |
;> --- TBD --- ;; |
|
|
2555 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2556 |
;< --- TBD --- ;; |
|
|
2557 |
;;================================================================================================;; |
|
|
2558 |
push ebx esi |
|
|
2559 |
mov ebx, [_img] |
|
|
2560 |
mov eax, [_height] |
|
|
2561 |
; our memory is limited, [_width]*[_height] must not overflow |
|
|
2562 |
; image with width or height greater than 65535 is most likely bogus |
|
|
2563 |
cmp word [_width+2], 0 |
|
|
2564 |
jnz .error |
|
|
2565 |
cmp word [_height+2], 0 |
|
|
2566 |
jnz .error |
|
|
2567 |
imul eax, [_width] |
|
|
2568 |
test eax, eax |
|
|
2569 |
jz .error |
|
|
2570 |
cmp [ebx + Image.Type], Image.bpp1 |
|
|
2571 |
jz .bpp1 |
|
|
2572 |
cmp [ebx + Image.Type], Image.bpp2i |
|
|
2573 |
jz .bpp2i |
|
|
2574 |
cmp [ebx + Image.Type], Image.bpp4i |
|
|
2575 |
jz .bpp4i |
|
|
2576 |
cmp [ebx + Image.Type], Image.bpp8i |
|
|
2577 |
jz .bpp8i |
|
|
2578 |
cmp [ebx + Image.Type], Image.bpp8g |
|
|
2579 |
jz .bpp8g |
|
|
2580 |
cmp [ebx + Image.Type], Image.bpp8a |
|
|
2581 |
jz .bpp8a |
|
|
2582 |
cmp [ebx + Image.Type], Image.bpp24 |
|
|
2583 |
jz .bpp24 |
|
|
2584 |
.bpp32: |
|
|
2585 |
shl eax, 2 |
|
|
2586 |
jmp @f |
|
|
2587 |
.bpp24: |
|
|
2588 |
lea eax, [eax*3] |
|
|
2589 |
jmp @f |
|
|
2590 |
.bpp8i: |
|
|
2591 |
add eax, 256*4 ; for palette |
|
|
2592 |
.bpp8g: |
|
|
2593 |
jmp @f |
|
|
2594 |
.bpp8a: |
|
|
2595 |
shl eax, 1 |
|
|
2596 |
jmp @f |
|
|
2597 |
.bpp4i: |
|
|
2598 |
mov eax, [_width] |
|
|
2599 |
add eax, 1 |
|
|
2600 |
shr eax, 1 |
|
|
2601 |
imul eax, [_height] |
|
|
2602 |
mov ecx, eax |
|
|
2603 |
mov eax, [_height] |
|
|
2604 |
add eax, 1 |
|
|
2605 |
shr eax, 1 |
|
|
2606 |
imul eax, [_width] |
|
|
2607 |
cmp eax, ecx |
|
|
2608 |
jge .bpp4i.skip |
|
|
2609 |
mov eax, ecx |
|
|
2610 |
.bpp4i.skip: |
|
|
2611 |
add eax, 16*4 ; for palette |
|
|
2612 |
jmp @f |
|
|
2613 |
.bpp2i: |
|
|
2614 |
mov eax, [_width] |
|
|
2615 |
add eax, 3 |
|
|
2616 |
shr eax, 2 |
|
|
2617 |
imul eax, [_height] |
|
|
2618 |
mov ecx, eax |
|
|
2619 |
mov eax, [_height] |
|
|
2620 |
add eax, 3 |
|
|
2621 |
shr eax, 2 |
|
|
2622 |
imul eax, [_width] |
|
|
2623 |
cmp eax, ecx |
|
|
2624 |
jge .bpp2i.skip |
|
|
2625 |
mov eax, ecx |
|
|
2626 |
.bpp2i.skip: |
|
|
2627 |
add eax, 4*4 ; for palette |
|
|
2628 |
jmp @f |
|
|
2629 |
.bpp1: |
|
|
2630 |
mov eax, [_width] |
|
|
2631 |
add eax, 7 |
|
|
2632 |
shr eax, 3 |
|
|
2633 |
imul eax, [_height] |
|
|
2634 |
mov ecx, eax |
|
|
2635 |
mov eax, [_height] |
|
|
2636 |
add eax, 7 |
|
|
2637 |
shr eax, 3 |
|
|
2638 |
imul eax, [_width] |
|
|
2639 |
cmp eax, ecx |
|
|
2640 |
jge .bpp1.skip |
|
|
2641 |
mov eax, ecx |
|
|
2642 |
.bpp1.skip: |
|
|
2643 |
|
|
|
2644 |
add eax, 2*4 ; for palette |
|
|
2645 |
@@: |
|
|
2646 |
mov esi, eax |
|
|
2647 |
invoke mem.realloc, [ebx + Image.Data], eax |
|
|
2648 |
or eax, eax |
|
|
2649 |
jz .error |
|
|
2650 |
|
|
|
2651 |
mov [ebx + Image.Data], eax |
|
|
2652 |
push [_width] |
|
|
2653 |
pop [ebx + Image.Width] |
|
|
2654 |
push [_height] |
|
|
2655 |
pop [ebx + Image.Height] |
|
|
2656 |
cmp [ebx + Image.Type], Image.bpp8i |
|
|
2657 |
jnz @f |
|
|
2658 |
lea esi, [eax + esi - 256*4] |
|
|
2659 |
mov [ebx + Image.Palette], esi |
|
|
2660 |
jmp .ret |
|
|
2661 |
@@: |
|
|
2662 |
cmp [ebx + Image.Type], Image.bpp1 |
|
|
2663 |
jnz @f |
|
|
2664 |
lea esi, [eax + esi - 2*4] |
|
|
2665 |
mov [ebx + Image.Palette], esi |
|
|
2666 |
jmp .ret |
|
|
2667 |
@@: |
|
|
2668 |
cmp [ebx + Image.Type], Image.bpp2i |
|
|
2669 |
jnz @f |
|
|
2670 |
lea esi, [eax + esi - 4*4] |
|
|
2671 |
mov [ebx + Image.Palette], esi |
|
|
2672 |
jmp .ret |
|
|
2673 |
@@: |
|
|
2674 |
cmp [ebx + Image.Type], Image.bpp4i |
|
|
2675 |
jnz .ret |
|
|
2676 |
lea esi, [eax + esi - 16*4] |
|
|
2677 |
mov [ebx + Image.Palette], esi |
|
|
2678 |
jmp .ret |
|
|
2679 |
|
|
|
2680 |
.error: |
|
|
2681 |
xor eax, eax |
|
|
2682 |
.ret: |
|
|
2683 |
pop esi ebx |
|
|
2684 |
ret |
|
|
2685 |
endp |
|
|
2686 |
|
|
|
2687 |
;;================================================================================================;; |
|
|
2688 |
img._.get_scanline_len: ;/////////////////////////////////////////////////////////////////////////;; |
|
|
2689 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2690 |
;? Get scanline length of image in bytes ;; |
|
|
2691 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2692 |
;> eax = width of image in pixels ;; |
|
|
2693 |
;> ebx = image ;; |
|
|
2694 |
;;------------------------------------------------------------------------------------------------;; |
|
|
2695 |
;< eax = scanline length in bytes ;; |
|
|
2696 |
;;================================================================================================;; |
|
|
2697 |
cmp [ebx + Image.Type], Image.bpp1 |
|
|
2698 |
jz .bpp1.1 |
|
|
2699 |
cmp [ebx + Image.Type], Image.bpp2i |
|
|
2700 |
jz .bpp2i.1 |
|
|
2701 |
cmp [ebx + Image.Type], Image.bpp4i |
|
|
2702 |
jz .bpp4i.1 |
|
|
2703 |
cmp [ebx + Image.Type], Image.bpp8i |
|
|
2704 |
jz .bpp8.1 |
|
|
2705 |
cmp [ebx + Image.Type], Image.bpp8g |
|
|
2706 |
jz .bpp8.1 |
|
|
2707 |
cmp [ebx + Image.Type], Image.bpp8a |
|
|
2708 |
jz .bpp8a.1 |
|
|
2709 |
cmp [ebx + Image.Type], Image.bpp24 |
|
|
2710 |
jz .bpp24.1 |
|
|
2711 |
add eax, eax |
|
|
2712 |
cmp [ebx + Image.Type], Image.bpp32 |
|
|
2713 |
jnz .quit |
|
|
2714 |
add eax, eax |
|
|
2715 |
jmp .quit |
|
|
2716 |
.bpp24.1: |
|
|
2717 |
lea eax, [eax*3] |
|
|
2718 |
jmp .quit |
|
|
2719 |
.bpp1.1: |
|
|
2720 |
add eax, 7 |
|
|
2721 |
shr eax, 3 |
|
|
2722 |
jmp .quit |
|
|
2723 |
.bpp2i.1: |
|
|
2724 |
add eax, 3 |
|
|
2725 |
shr eax, 2 |
|
|
2726 |
jmp .quit |
|
|
2727 |
.bpp4i.1: |
|
|
2728 |
add eax, 1 |
|
|
2729 |
shr eax, 1 |
|
|
2730 |
jmp .quit |
|
|
2731 |
.bpp8a.1: |
|
|
2732 |
shl eax, 1 |
|
|
2733 |
.bpp8.1: |
|
|
2734 |
.quit: |
|
|
2735 |
ret |
|
|
2736 |
|
|
|
2737 |
|
|
|
2738 |
;;================================================================================================;; |
|
|
2739 |
;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
|
|
2740 |
;;================================================================================================;; |
|
|
2741 |
;! Below is private data you should never use directly from your code ;; |
|
|
2742 |
;;================================================================================================;; |
|
|
2743 |
;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
|
|
2744 |
;;================================================================================================;; |
|
|
2745 |
|
| 7735 |
dunkaist |
2746 |
;include_debug_strings |
| 7105 |
dunkaist |
2747 |
|
| 6807 |
dunkaist |
2748 |
align 4 |
|
|
2749 |
type2bpp dd 8, 24, 32, 15, 16, 1, 9, 2, 4 |
|
|
2750 |
img._.do_rgb.handlers: |
|
|
2751 |
dd img._.do_rgb.bpp8i |
|
|
2752 |
dd img._.do_rgb.bpp24 |
|
|
2753 |
dd img._.do_rgb.bpp32 |
|
|
2754 |
dd img._.do_rgb.bpp15.amd ; can be overwritten in lib_init |
|
|
2755 |
dd img._.do_rgb.bpp16.amd ; can be overwritten in lib_init |
|
|
2756 |
dd img._.do_rgb.bpp1 |
|
|
2757 |
dd img._.do_rgb.bpp8g |
|
|
2758 |
dd img._.do_rgb.bpp2i |
|
|
2759 |
dd img._.do_rgb.bpp4i |
|
|
2760 |
|
|
|
2761 |
img.flip.layer.handlers_horz: |
|
|
2762 |
dd img.flip.layer.bpp8ig_horz |
|
|
2763 |
dd img.flip.layer.bpp24_horz |
|
|
2764 |
dd img.flip.layer.bpp32_horz |
|
|
2765 |
dd img.flip.layer.bpp1x_horz |
|
|
2766 |
dd img.flip.layer.bpp1x_horz |
|
|
2767 |
dd img.flip.layer.bpp1_horz |
|
|
2768 |
dd img.flip.layer.bpp8ig_horz |
|
|
2769 |
dd img.flip.layer.bpp2i_horz |
|
|
2770 |
dd img.flip.layer.bpp4i_horz |
|
|
2771 |
|
|
|
2772 |
;;================================================================================================;; |
|
|
2773 |
;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
|
|
2774 |
;;================================================================================================;; |
|
|
2775 |
;! Exported functions section ;; |
|
|
2776 |
;;================================================================================================;; |
|
|
2777 |
;;////////////////////////////////////////////////////////////////////////////////////////////////;; |
|
|
2778 |
;;================================================================================================;; |
|
|
2779 |
|
|
|
2780 |
|
|
|
2781 |
align 4 |
|
|
2782 |
@EXPORT: |
|
|
2783 |
|
|
|
2784 |
export \ |
|
|
2785 |
lib_init , 'lib_init' , \ |
|
|
2786 |
0x00050007 , 'version' , \ |
|
|
2787 |
img.is_img , 'img_is_img' , \ |
|
|
2788 |
img.info , 'img_info' , \ |
|
|
2789 |
img.from_file , 'img_from_file' , \ |
|
|
2790 |
img.to_file , 'img_to_file' , \ |
|
|
2791 |
img.from_rgb , 'img_from_rgb' , \ |
|
|
2792 |
img.to_rgb , 'img_to_rgb' , \ |
|
|
2793 |
img.to_rgb2 , 'img_to_rgb2' , \ |
|
|
2794 |
img.decode , 'img_decode' , \ |
|
|
2795 |
img.encode , 'img_encode' , \ |
|
|
2796 |
img.create , 'img_create' , \ |
|
|
2797 |
img.destroy , 'img_destroy' , \ |
|
|
2798 |
img.destroy.layer , 'img_destroy_layer' , \ |
|
|
2799 |
img.count , 'img_count' , \ |
|
|
2800 |
img.lock_bits , 'img_lock_bits' , \ |
|
|
2801 |
img.unlock_bits , 'img_unlock_bits' , \ |
|
|
2802 |
img.flip , 'img_flip' , \ |
|
|
2803 |
img.flip.layer , 'img_flip_layer' , \ |
|
|
2804 |
img.rotate , 'img_rotate' , \ |
|
|
2805 |
img.rotate.layer , 'img_rotate_layer' , \ |
|
|
2806 |
img.draw , 'img_draw' , \ |
|
|
2807 |
img.scale , 'img_scale' , \ |
|
|
2808 |
img.get_scaled_size, 'img_get_scaled_size', \ |
|
|
2809 |
img.convert , 'img_convert' , \ |
|
|
2810 |
img.formats_table , 'img_formats_table' |
|
|
2811 |
|
|
|
2812 |
; import from deflate unpacker |
|
|
2813 |
; is initialized only when PNG loading is requested |
|
|
2814 |
align 16 |
|
|
2815 |
@IMPORT: |
|
|
2816 |
|
| 7105 |
dunkaist |
2817 |
library \ |
|
|
2818 |
archiver, 'archiver.obj', \ |
|
|
2819 |
libio , 'libio.obj' |
|
|
2820 |
|
| 6807 |
dunkaist |
2821 |
import archiver, \ |
| 7105 |
dunkaist |
2822 |
deflate_unpack2, 'deflate_unpack2',\ |
|
|
2823 |
deflateInit2, 'deflateInit2',\ |
|
|
2824 |
deflateReset, 'deflateReset',\ |
|
|
2825 |
deflate, 'deflate',\ |
|
|
2826 |
deflateEnd, 'deflateEnd',\ |
|
|
2827 |
calc_crc32, 'calc_crc32' |
| 6807 |
dunkaist |
2828 |
|
| 7105 |
dunkaist |
2829 |
import libio , \ |
|
|
2830 |
file.size , 'file_size' , \ |
|
|
2831 |
file.open , 'file_open' , \ |
|
|
2832 |
file.read , 'file_read' , \ |
|
|
2833 |
file.close, 'file_close' |
|
|
2834 |
|
| 6807 |
dunkaist |
2835 |
align 4 |
|
|
2836 |
; mutex for unpacker loading |
|
|
2837 |
deflate_loader_mutex dd 0 |
|
|
2838 |
|
|
|
2839 |
; default palette for GIF - b&w |
|
|
2840 |
gif_default_palette: |
|
|
2841 |
db 0, 0, 0 |
|
|
2842 |
db 0xFF, 0xFF, 0xFF |
|
|
2843 |
|
|
|
2844 |
section '.data' data readable writable align 16 |
|
|
2845 |
; uninitialized data - global constant tables |
|
|
2846 |
mem.alloc dd ? |
|
|
2847 |
mem.free dd ? |
|
|
2848 |
mem.realloc dd ? |
|
|
2849 |
dll.load dd ? |
|
|
2850 |
|
|
|
2851 |
; data for YCbCr -> RGB translation |
|
|
2852 |
color_table_1 rd 256 |
|
|
2853 |
color_table_2 rd 256 |
|
|
2854 |
color_table_3 rd 256 |
|
|
2855 |
color_table_4 rd 256 |