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5666 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2010-2015. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; VNC client for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org ;; |
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9 | ;; ;; |
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10 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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11 | ;; Version 2, June 1991 ;; |
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12 | ;; ;; |
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13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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14 | |||
5668 | hidnplayr | 15 | encoding_CopyRect: |
5666 | hidnplayr | 16 | |
5670 | hidnplayr | 17 | DEBUGF 2,"CopyRect\n" |
5666 | hidnplayr | 18 | |
19 | @@: |
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20 | lea eax, [esi+4] |
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21 | cmp [datapointer], eax |
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22 | jae @f |
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23 | call read_data.more |
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24 | jmp @b |
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25 | @@: |
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26 | |||
27 | push esi |
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28 | |||
29 | movzx eax, word[esi+2] ; [src.y] |
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30 | xchg al, ah |
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31 | movzx ebx, [screen.width] |
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32 | mul ebx ; [screen.width]*[src.y] |
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33 | movzx ebx, word[esi] ; [src.x] |
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34 | xchg bl, bh |
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35 | add eax, ebx ; [screen.width]*[src.y]+[src.x] |
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36 | lea esi, [framebuffer_data+eax*3] ; esi = framebuffer_data+([screen.width]*[src.y]+[src.x])*3 |
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37 | |||
5668 | hidnplayr | 38 | mov eax, [rectangle.y] |
5666 | hidnplayr | 39 | movzx ebx, [screen.width] |
40 | mul ebx ; [screen.width]*[rectangle.y] |
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5668 | hidnplayr | 41 | mov ebx, [rectangle.x] |
5666 | hidnplayr | 42 | add eax, ebx ; [screen.width]*[rectangle.y]+[rectangle.x] |
43 | lea edi, [framebuffer_data+eax*3] ; edi = framebuffer_data+([screen.width]*[rectangle.y]+[rectangle.x])*3 |
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44 | |||
45 | movzx eax, [screen.width] |
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5668 | hidnplayr | 46 | sub eax, [rectangle.width] |
5666 | hidnplayr | 47 | lea ebp, [eax*3] ; ebp = ([screen.width]-[rectangle.width])*3 |
48 | |||
49 | cmp esi, edi |
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50 | ja .copy |
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51 | |||
52 | ; source pixels come before destination in buffer, copy backwards |
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5668 | hidnplayr | 53 | mov eax, [rectangle.height] |
5666 | hidnplayr | 54 | movzx edx, [screen.width] |
55 | mul edx |
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56 | lea eax, [eax*3-1] |
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57 | add esi, eax |
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58 | add edi, eax |
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59 | |||
60 | neg ebp |
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61 | std |
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62 | .copy: |
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63 | |||
5668 | hidnplayr | 64 | mov edx, [rectangle.height] |
65 | mov ecx, [rectangle.width] |
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5666 | hidnplayr | 66 | lea ecx, [ecx*3] |
67 | .lineloop: |
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68 | push ecx |
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69 | rep movsb |
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70 | pop ecx |
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71 | |||
72 | add esi, ebp |
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73 | add edi, ebp |
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74 | dec edx |
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75 | jnz .lineloop |
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76 | |||
77 | pop esi |
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78 | add esi, 4 |
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79 | cld |
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80 | jmp next_rectangle |