WebSVN – Kolibri OS – Diff – /programs/develop/libraries/libs-dev/libimg/png/libpng/pngset.asm

 	cmp dword[png_ptr],0
 	je .end_f
 	mov edi,[info_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[background]
-	cmp esi,0
+	or esi,esi
-	je .end_f ;if (..==0 || ..==0 || ..==0) return
+	jz .end_f ;if (..==0 || ..==0 || ..==0) return
 	or dword[edi+png_info_def.valid],PNG_INFO_bKGD
 	add edi,png_info_def.background
 	mov ecx,sizeof.png_color_16
 	png_debug1 1, 'in %s storage function', 'cHRM XYZ fixed'
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je .end_f ;if (..==0 || ..==0) return
+	jz .end_f ;if (..==0 || ..==0) return
 ;   XYZ.red_X = int_red_X;
 ;   XYZ.red_Y = int_red_Y;
 proc png_set_gAMA_fixed uses eax edi esi, png_ptr:dword, info_ptr:dword, file_gamma:dword
 	png_debug1 1, 'in %s storage function', 'gAMA'
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je .end_f ;if (..== 0 || ..== 0) return
+	jz .end_f ;if (..== 0 || ..== 0) return
 	mov eax,esi
 	add eax,png_info_def.colorspace
 	stdcall png_colorspace_set_gamma, edi, eax, [file_gamma]
 	png_debug1 1, 'in %s storage function', 'hIST'
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je .end_f ;if (..== 0 || ..== 0) return
+	jz .end_f ;if (..== 0 || ..== 0) return
 ;   if (info_ptr->num_palette == 0 || info_ptr->num_palette
 ;       > PNG_MAX_PALETTE_LENGTH)
 	interlace_type:dword, compression_type:dword, filter_type:dword
 	png_debug1 1, 'in %s storage function', 'IHDR'
 pushad
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je .end_f ;if (..== 0 || ..== 0) return
+	jz .end_f ;if (..== 0 || ..== 0) return
 	mov eax,[width]
 	mov [esi+png_info_def.width],eax
 	mov eax,[height]
 	mov [esi+png_info_def.height],eax
 		jmp .end0
 	@@:
 	mov eax,ebx
 	and eax,PNG_COLOR_MASK_COLOR
-	cmp eax,0
+	or eax,eax
-	je @f ;else if (..!=0)
+	jz @f ;else if (..!=0)
 		mov byte[esi+png_info_def.channels], 3
 		jmp .end0
 	@@: ;else
 		mov byte[esi+png_info_def.channels], 1
 	.end0:
 	mov eax,ebx
 	and eax,PNG_COLOR_MASK_ALPHA
-	cmp eax,0
+	or eax,eax
-	je @f ;else if (..!=0)
+	jz @f ;else if (..!=0)
 		inc byte[esi+png_info_def.channels]
 	@@:
 	movzx eax,byte[esi+png_info_def.channels]
 	cmp dword[png_ptr],0
 	je @f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je @f ;if (..==0 || ..==0) return
+	jz @f ;if (..==0 || ..==0) return
 	mov eax,[offset_x]
 	mov [esi+png_info_def.x_offset],eax
 	mov eax,[offset_y]
 	png_debug1 1, 'in %s storage function', 'pCAL'
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je .end_f
+	jz .end_f
 	cmp dword[purpose],0
 	je .end_f
 	cmp dword[units],0
 	je .end_f
 	png_debug1 1, 'in %s storage function', 'PLTE'
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je .end_f ;if (..==0 || ..==0) return
+	jz .end_f ;if (..==0 || ..==0) return
 ;   max_palette_length = (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE) ?
 proc png_set_sRGB uses eax edi esi, png_ptr:dword, info_ptr:dword, srgb_intent:dword
 	png_debug1 1, 'in %s storage function', 'sRGB'
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je .end_f ;if (..==0 || ..==0)
+	jz .end_f ;if (..==0 || ..==0)
 	mov eax,esi
 	add eax,png_info_def.colorspace
 	stdcall png_colorspace_set_sRGB, edi, eax, [srgb_intent]
 proc png_set_text uses eax edi, png_ptr:dword, info_ptr:dword, text_ptr:dword, num_text:dword
 	mov edi,[png_ptr]
 	stdcall png_set_text_2, edi, [info_ptr], [text_ptr], [num_text]
-	cmp eax,0
+	or eax,eax
-	je @f ;if (..!=0)
+	jz @f ;if (..!=0)
 		png_error edi, 'Insufficient memory to store text'
 	@@:
 	ret
 endp
 proc png_set_tIME uses eax ebx ecx edi esi, png_ptr:dword, info_ptr:dword, mod_time:dword
 	png_debug1 1, 'in %s storage function', 'tIME'
 	mov ebx,[png_ptr]
-	cmp ebx,0
+	or ebx,ebx
-	je .end_f
+	jz .end_f
 	mov edi,[info_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[mod_time]
-	cmp esi,0
+	or esi,esi
-	je .end_f
+	jz .end_f
 	mov eax,[ebx+png_struct.mode]
 	and eax,PNG_WROTE_tIME
-	cmp eax,0
+	or eax,eax
-	jne .end_f ;if (..==0 || ..==0 || ..==0 || ..!=0) return
+	jnz .end_f ;if (..==0 || ..==0 || ..==0 || ..!=0) return
 	cmp byte[esi+png_time.month],0
 	je @f
 	cmp byte[esi+png_time.month],12
 proc png_set_unknown_chunks uses edi esi, png_ptr:dword, info_ptr:dword, unknowns:dword, num_unknowns:dword
 ;   png_unknown_chunkp np;
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je .end_f
+	jz .end_f
 	cmp dword[num_unknowns],0
 	jle .end_f
 	cmp dword[unknowns],0
 	je .end_f ;if (..== 0 || ..== 0 || ..<=0 || ..==0) return
 ;   bytep new_list;
 ;   uint num_chunks, old_num_chunks;
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f ;if (..== 0) return
+	jz .end_f ;if (..== 0) return
 ;   if (keep < 0 || keep >= PNG_HANDLE_CHUNK_LAST)
 ;   {
 proc png_set_read_user_chunk_fn uses eax edi, png_ptr:dword, user_chunk_ptr:dword, read_user_chunk_fn:dword
 	png_debug 1, 'in png_set_read_user_chunk_fn'
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov eax,[read_user_chunk_fn]
 	mov [edi+png_struct.read_user_chunk_fn],eax
 	mov eax,[user_chunk_ptr]
 proc png_set_rows uses eax edi esi, png_ptr:dword, info_ptr:dword, row_pointers:dword
 	png_debug1 1, 'in %s storage function', 'rows'
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f
+	jz .end_f
 	mov esi,[info_ptr]
-	cmp esi,0
+	or esi,esi
-	je .end_f ;if (..==0 || ..==0) return
+	jz .end_f ;if (..==0 || ..==0) return
 	mov eax,[row_pointers]
 	cmp dword[esi+png_info_def.row_pointers],0
 	je @f
 	cmp [esi+png_info_def.row_pointers],eax
 	je @f ;if (..!=0 && ..!=..)
 		stdcall png_free_data, edi, esi, PNG_FREE_ROWS, 0
 	@@:
 	mov [esi+png_info_def.row_pointers],eax
-	cmp eax,0
+	or eax,eax
-	je .end_f ;if (..!=0)
+	jz .end_f ;if (..!=0)
 		or dword[esi+png_info_def.valid],PNG_INFO_IDAT
 .end_f:
 	ret
 endp
 ;void (png_structrp png_ptr, png_size_t size)
 align 4
 proc png_set_compression_buffer_size uses edi, png_ptr:dword, size:dword
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je .end_f ;if (..==0) return
+	jz .end_f ;if (..==0) return
 	; rejected by png_set_IHDR().  To accept any PNG datastream
 	; regardless of dimensions, set both limits to 0x7fffffff.
 	mov edi,[png_ptr]
-	cmp edi,0
+	or edi,edi
-	je @f
+	jz @f
 		mov eax,[user_width_max]
 		mov [edi+png_struct.user_width_max],eax
 		mov eax,[user_height_max]
 		mov [edi+png_struct.user_height_max],eax
 	@@:

Subversion Repositories Kolibri OS

(root)/programs/develop/libraries/libs-dev/libimg/png/libpng/pngset.asm – Rev 8341 → 8463