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Rev 307 | Details | Compare with Previous | Last modification | View Log | RSS feed

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
5158 hidnplayr 20 
	cmp	csi_bitspp,word 16
21 
	je	.next_str_16
205 heavyiron 22 
 
23 
.next_str_32:
24 
	push	edx ebx
25 
	xor	ebx,ebx
26 
@@:
5158 hidnplayr 27 
	;push	 eax
205 heavyiron 28 
	mov	eax,[gs:edx]
29 
	mov	[edi+ecx],ax
30 
	shr	eax,8
31 
	mov	[edi+ecx+2],ah
5158 hidnplayr 32 
	;pop	 eax
205 heavyiron 33 
	add	ecx,3
34 
	add	edx,4;eax
35 
	inc	bx
36 
	cmp	bx,csi_width
37 
	jl     @b
38 
	pop	ebx edx
39 
	add	edx,csi_bytesps
40 
	inc	bx
41 
	cmp	bx,csi_height
42 
	jl	.next_str_32
43 
popa
44 
ret
45 
 
46 
.next_str_24:
47 
	push	edx ebx
48 
	xor	ebx,ebx
49 
@@:
5158 hidnplayr 50 
	;push	 eax
205 heavyiron 51 
	mov	eax,[gs:edx]
52 
	mov	[edi+ecx],ax
53 
	shr	eax,8
54 
	mov	[edi+ecx+2],ah
5158 hidnplayr 55 
	;pop	 eax
205 heavyiron 56 
	add	ecx,3
57 
	add	edx,3;eax
58 
	inc	bx
59 
	cmp	bx,csi_width
60 
	jl     @b
61 
	pop	ebx edx
62 
	add	edx,csi_bytesps
63 
	inc	bx
64 
	cmp	bx,csi_height
65 
	jl	.next_str_24
66 
popa
67 
ret
307 Lrz 68 
 
5158 hidnplayr 69 
.next_str_16:
70 
	push	edx ebx
71 
	xor	ebx,ebx
72 
@@:
73 
	;push	 eax
74 
	mov	eax,[gs:edx]
75 
	shl	eax, 3
76 
	ror	eax, 8
77 
	shl	ax, 2
78 
	ror	eax, 8
79 
	shl	al, 3
80 
	mov	[edi+ecx+2],al
81 
	rol	eax, 16
82 
	mov	[edi+ecx],ax
83 
	;pop	 eax
84 
	add	ecx,3
85 
	add	edx,2
86 
	inc	bx
87 
	cmp	bx,csi_width
88 
	jl     @b
89 
	pop	ebx edx
90 
	add	edx,csi_bytesps
91 
	inc	bx
92 
	cmp	bx,csi_height
93 
	jl	.next_str_16
94 
popa
95 
ret
96 
 
307 Lrz 97 
copy_area:
98 
	mov	eax,[scr.bytesps]
99 
	mov	ebx,eax
100 
	movzx	ecx,word [rect.top]
101 
	mul	ecx
102 
	movzx	ecx,word [rect.width]
103 
	shl	ecx,2
104 
	sub	ebx,ecx
105 
	movzx	ecx,word [rect.left]
106 
	shl	ecx,2
107 
	add	eax,ecx
108 
	movzx	ecx,word [rect.height]
109 
	mov	edx,eax
110 
.next_str:
111 
	movzx	esi,word [rect.width]
112 
.next_pixel:
113 
	mov	eax,[gs:edx]
114 
	mov	[edi],ax
115 
	shr	eax,8
116 
	mov	[edi+2],ah
117 
	add	edx,4
118 
	add	edi,3
119 
	dec	esi
120 
	jnz	.next_pixel
121 
	add	edx,ebx
122 
	loop	.next_str
123 
popa
124 
ret