use32
org 0x0
db 'MENUET01'
dd 0x01, START, I_END, E_END, E_END, 0, 0
;-----------------------------------------------------------------------------
include '../../../../../proc32.inc'
include '../../../../../macros.inc'
include '../../../../../dll.inc'
;include '../../../../../debug.inc'
include '../../libio/libio.inc'
include '../../libimg/libimg.inc'
;-----------------------------------------------------------------------------
START:
mcall 68, 11
stdcall dll.Load, @IMPORT
or eax, eax
jnz exit
invoke file.open, input_file, O_READ
or eax, eax
jz exit
mov [fh], eax
invoke file.size, input_file
mov [img_data_len], ebx
stdcall mem.Alloc, ebx
or eax, eax
jz exit
mov [img_data], eax
invoke file.read, [fh], eax, [img_data_len]
cmp eax, -1
je exit
cmp eax, [img_data_len]
jne exit
invoke file.close, [fh]
inc eax
jz exit
invoke img.decode, [img_data], [img_data_len], 0
or eax, eax
jz exit
mov [image_initial], eax
stdcall mem.Free, [img_data]
test eax, eax
jz exit
;-----------------------------------------------------------------------------
still:
mcall 10
cmp eax, 1
je .draw_window
cmp eax, 2
je .key
cmp eax, 3
je .button
jmp still
.draw_window:
mcall 12, 1
mcall 0, <200, 150>, <200, 150>, 0x73FFFFFF, 0x00000000, window_title
call draw_image
mcall 12, 2
jmp still
.key:
mcall 2
jmp still
.button:
mcall 17
shr eax, 8
cmp eax, 1
jne still
exit:
cmp [image_initial], 0
je @f
invoke img.destroy, [image_initial]
@@:
cmp [image_scaled], 0
je @f
invoke img.destroy, [image_scaled]
@@:
mcall -1
proc draw_image
cmp [image_scaled], 0
je @f
invoke img.destroy, [image_scaled]
@@:
mcall 9, proc_info, -1
mov ecx, [proc_info.client_box.height]
inc ecx
mov edx, [proc_info.client_box.width]
inc edx
mov ebx, [image_initial]
; invoke img.scale, ebx, 1, 2, 5, 5, 0, LIBIMG_SCALE_TYPE_STRETCH, LIBIMG_SCALE_ALG_BILINEAR, edx, ecx
; invoke img.scale, ebx, 1, 2, 5, 5, 0, LIBIMG_SCALE_TYPE_STRETCH, LIBIMG_SCALE_ALG_INTEGER, 3, 3
invoke img.scale, ebx, 0, 0, [ebx + Image.Width], [ebx + Image.Height], 0, LIBIMG_SCALE_TYPE_STRETCH, LIBIMG_SCALE_ALG_BILINEAR, edx, ecx
; proc img.scale _src, _crop_x, _crop_y, _crop_width, _crop_height, _dst, _scale_type, _scale_alg, _param1, _param2
; see libimg.inc for available scale types and algorithms
; LIBIMG_SCALE_ALG_BILINEAR: _param1, _param2 -- width and height of rectangle to fit _src image to
; LIBIMG_SCALE_ALG_INTEGER: _param1 -- scale factor (i.e. 3 means scaling 7x7 to 21x21); _param2 ignored
; LIBIMG_SCALE_TYPE_*: just try and see, they are common STRETCH, FIT_BY_WIDTH etc.
; returns pointer to a scaled image
; invoke img.scale, ebx, 0, 0, [ebx + Image.Width], [ebx + Image.Height], 0, LIBIMG_SCALE_TYPE_STRETCH, LIBIMG_SCALE_ALG_INTEGER, 3, 3
test eax, eax
jz exit
mov [image_scaled], eax
invoke img.draw, eax, 0, 0, [eax + Image.Width], [eax + Image.Height], 0, 0
ret
endp
;-----------------------------------------------------------------------------
window_title db 'img.scale example',0
input_file db '/hd0/1/gray_5x7.tiff',0
;input_file db '/hd0/1/grayscale_123x123.tiff',0
;input_file db '/hd0/1/grayscale_357x357.tiff',0
;input_file db '/hd0/1/grayscale_620x620.tiff',0
;input_file db '/hd0/1/rgb_220.jpg',0
;input_file db '/hd0/1/rgba_217.tiff',0
;input_file db '/hd0/1/rgb_7x9.tiff',0
;input_file db '/hd0/1/rgba_7x9.tiff',0
;input_file db '/hd0/1/gray_7x9.tiff',0
;input_file db '/hd0/1/rgb_70x90.png',0
;-----------------------------------------------------------------------------
align 4
@IMPORT:
library \
libio , 'libio.obj' , \
libimg , 'libimg.obj'
import libio , \
libio.init , 'lib_init' , \
file.size , 'file_size' , \
file.open , 'file_open' , \
file.read , 'file_read' , \
file.close , 'file_close'
import libimg , \
libimg.init , 'lib_init' , \
img.decode , 'img_decode' , \
img.destroy , 'img_destroy' , \
img.draw , 'img_draw' , \
img.scale , 'img_scale' , \
img.formats_table,'img_formats_table'
;-----------------------------------------------------------------------------
I_END:
fh dd ?
img_data_len dd ?
img_data dd ?
image_initial dd ?
image_scaled dd ?
proc_info process_information
rd 0x1000 ; stack
E_END: