libimg:

1. tiff (baseline) support
2. pnm (portable anymap) bilevel, grayscale (8bpp), pixmap (24bpp) support
3. xcf: optional layer merging/blending with sse (default is mmx)
4'. new formatting for my old code. more readable for now


git-svn-id: svn://kolibrios.org@2388 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/libraries/libs-dev/libimg/pnm/pbm.asm

@@ -0,0 +1,54 @@
+.pbm:
+	stdcall	img.create, [width], [height], Image.bpp1
+	test	eax, eax
+	jz	.quit
+	mov	[retvalue], eax
+	mov	ebx, eax
+
+	mov	edi, [ebx+Image.Palette]
+	mov	[edi], dword 0x00ffffff
+	mov	[edi + 4], dword 0x00000000
+
+	cmp	[data_type], PNM_ASCII
+	je	.pbm.ascii
+
+  .pbm.raw:
+	mov	ecx, [ebx+Image.Width]
+	add	ecx, 7
+	shr	ecx, 3
+	imul	ecx, [ebx+Image.Height]
+	mov	edi, [ebx+Image.Data]
+	rep	movsb
+	jmp	.quit
+
+  .pbm.ascii:
+	mov	edi, [ebx+Image.Data]
+  .pbm.next_line:
+	mov	edx, [width]
+	mov	ecx, 7
+	xor	eax, eax
+  .pbm.next_char:
+	lodsb
+	cmp	al, ' '
+	jna	.pbm.next_char
+  .pbm.get_number:
+	cmp	al, '1'
+	sete	bl
+	shl	bl, cl
+	or	ah, bl
+	dec	ecx
+	jns	@f
+	shr	eax, 8
+	stosb
+	mov	ecx, 7
+    @@:
+	dec	edx
+	jnz	.pbm.next_char
+	test	byte[width], 0x07
+	jz	@f
+	shr	eax, 8
+	stosb
+    @@:
+	dec	[height]
+	jnz	.pbm.next_line
+	jmp	.quit