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Rev Author Line No. Line
205 heavyiron 1 
;esi - screen size
2 
;edi - pointer to image
3 
csi_width equ [esi+2]
4 
csi_height equ [esi]
5 
csi_bitspp equ [esi+4]
6 
csi_bytesps equ [esi+6]
307 Lrz 7 
 
8 
 
205 heavyiron 9 
copy_screen_to_image:
10 
pusha
11 
	xor	edx,edx
12 
	xor	ecx,ecx
13 
	xor	ebx,ebx
14 
 
307 Lrz 15 
	bt	dword [use_rect.flags],1
16 
	jc	copy_area
17 
 
205 heavyiron 18 
	cmp	csi_bitspp,word 24
19 
	je	.next_str_24
20 
 
21 
.next_str_32:
22 
	push	edx ebx
23 
	xor	ebx,ebx
24 
@@:
25 
	;push    eax
26 
	mov	eax,[gs:edx]
27 
	mov	[edi+ecx],ax
28 
	shr	eax,8
29 
	mov	[edi+ecx+2],ah
30 
	;pop     eax
31 
	add	ecx,3
32 
	add	edx,4;eax
33 
	inc	bx
34 
	cmp	bx,csi_width
35 
	jl     @b
36 
	pop	ebx edx
37 
	add	edx,csi_bytesps
38 
	inc	bx
39 
	cmp	bx,csi_height
40 
	jl	.next_str_32
41 
popa
42 
ret
43 
 
44 
.next_str_24:
45 
	push	edx ebx
46 
	xor	ebx,ebx
47 
@@:
48 
	;push    eax
49 
	mov	eax,[gs:edx]
50 
	mov	[edi+ecx],ax
51 
	shr	eax,8
52 
	mov	[edi+ecx+2],ah
53 
	;pop     eax
54 
	add	ecx,3
55 
	add	edx,3;eax
56 
	inc	bx
57 
	cmp	bx,csi_width
58 
	jl     @b
59 
	pop	ebx edx
60 
	add	edx,csi_bytesps
61 
	inc	bx
62 
	cmp	bx,csi_height
63 
	jl	.next_str_24
64 
popa
65 
ret
307 Lrz 66 
 
67 
copy_area:
68 
	mov	eax,[scr.bytesps]
69 
	mov	ebx,eax
70 
	movzx	ecx,word [rect.top]
71 
	mul	ecx
72 
	movzx	ecx,word [rect.width]
73 
	shl	ecx,2
74 
	sub	ebx,ecx
75 
	movzx	ecx,word [rect.left]
76 
	shl	ecx,2
77 
	add	eax,ecx
78 
	movzx	ecx,word [rect.height]
79 
	mov	edx,eax
80 
.next_str:
81 
	movzx	esi,word [rect.width]
82 
.next_pixel:
83 
	mov	eax,[gs:edx]
84 
	mov	[edi],ax
85 
	shr	eax,8
86 
	mov	[edi+2],ah
87 
	add	edx,4
88 
	add	edi,3
89 
	dec	esi
90 
	jnz	.next_pixel
91 
	add	edx,ebx
92 
	loop	.next_str
93 
popa
94 
ret