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| Rev 205 | Rev 307 | ||
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| Line 1... | Line -... | ||
| 1 | macro use_gp |
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| 2 | { |
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| 3 | ;esi - screen size |
1 | ;esi - screen size |
| 4 | ;edi - pointer to image |
2 | ;edi - pointer to image |
| 5 | csi_width equ [esi+2] |
3 | csi_width equ [esi+2] |
| 6 | csi_height equ [esi] |
4 | csi_height equ [esi] |
| 7 | csi_bitspp equ [esi+4] |
5 | csi_bitspp equ [esi+4] |
| 8 | csi_bytesps equ [esi+6] |
6 | csi_bytesps equ [esi+6] |
| - | 7 | ||
| - | 8 | ||
| 9 | copy_screen_to_image: |
9 | copy_screen_to_image: |
| 10 | pusha |
10 | pusha |
| 11 | xor edx,edx |
11 | xor edx,edx |
| 12 | xor ecx,ecx |
12 | xor ecx,ecx |
| 13 | xor ebx,ebx |
13 | xor ebx,ebx |
| Line -... | Line 14... | ||
| - | 14 | ||
| - | 15 | bt dword [use_rect.flags],1 |
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| - | 16 | jc copy_area |
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| 14 | 17 | ||
| 15 | cmp csi_bitspp,word 24 |
18 | cmp csi_bitspp,word 24 |
| Line 16... | Line 19... | ||
| 16 | je .next_str_24 |
19 | je .next_str_24 |
| 17 | 20 | ||
| Line 58... | Line 61... | ||
| 58 | inc bx |
61 | inc bx |
| 59 | cmp bx,csi_height |
62 | cmp bx,csi_height |
| 60 | jl .next_str_24 |
63 | jl .next_str_24 |
| 61 | popa |
64 | popa |
| 62 | ret |
65 | ret |
| 63 | } |
- | |
| 64 | 66 | ||
| - | 67 | copy_area: |
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| - | 68 | mov eax,[scr.bytesps] |
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| - | 69 | mov ebx,eax |
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| - | 70 | movzx ecx,word [rect.top] |
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| - | 71 | mul ecx |
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| - | 72 | movzx ecx,word [rect.width] |
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| - | 73 | shl ecx,2 |
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| - | 74 | sub ebx,ecx |
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| - | 75 | movzx ecx,word [rect.left] |
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| - | 76 | shl ecx,2 |
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| - | 77 | add eax,ecx |
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| - | 78 | movzx ecx,word [rect.height] |
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| - | 79 | mov edx,eax |
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| - | 80 | .next_str: |
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| - | 81 | movzx esi,word [rect.width] |
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| - | 82 | .next_pixel: |
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| - | 83 | mov eax,[gs:edx] |
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| - | 84 | mov [edi],ax |
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| - | 85 | shr eax,8 |
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| - | 86 | mov [edi+2],ah |
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| - | 87 | add edx,4 |
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| - | 88 | add edi,3 |
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| - | 89 | dec esi |
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| - | 90 | jnz .next_pixel |
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| - | 91 | add edx,ebx |
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| - | 92 | loop .next_str |
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| - | 93 | popa |
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| - | 94 | ret |
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| - | 95 | ||
| 65 | 96 | ||