Rev 5708 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5666 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
3 | ;; Copyright (C) KolibriOS team 2010-2015. All rights reserved. ;; |
||
4 | ;; Distributed under terms of the GNU General Public License ;; |
||
5 | ;; ;; |
||
6 | ;; VNC client for KolibriOS ;; |
||
7 | ;; ;; |
||
8 | ;; Written by hidnplayr@kolibrios.org ;; |
||
9 | ;; ;; |
||
10 | ;; GNU GENERAL PUBLIC LICENSE ;; |
||
11 | ;; Version 2, June 1991 ;; |
||
12 | ;; ;; |
||
13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
14 | |||
5668 | hidnplayr | 15 | encoding_CopyRect: |
5666 | hidnplayr | 16 | |
5708 | hidnplayr | 17 | DEBUGF 1,"CopyRect\n" |
5666 | hidnplayr | 18 | |
19 | @@: |
||
20 | lea eax, [esi+4] |
||
21 | cmp [datapointer], eax |
||
22 | jae @f |
||
23 | call read_data.more |
||
24 | jmp @b |
||
25 | @@: |
||
26 | |||
27 | push esi |
||
28 | |||
29 | movzx eax, word[esi+2] ; [src.y] |
||
30 | xchg al, ah |
||
31 | movzx ebx, [screen.width] |
||
32 | mul ebx ; [screen.width]*[src.y] |
||
33 | movzx ebx, word[esi] ; [src.x] |
||
34 | xchg bl, bh |
||
35 | add eax, ebx ; [screen.width]*[src.y]+[src.x] |
||
5722 | hidnplayr | 36 | lea esi, [framebuffer+eax*3] ; esi = framebuffer_data+([screen.width]*[src.y]+[src.x])*3 |
5666 | hidnplayr | 37 | |
5668 | hidnplayr | 38 | mov eax, [rectangle.y] |
5666 | hidnplayr | 39 | movzx ebx, [screen.width] |
40 | mul ebx ; [screen.width]*[rectangle.y] |
||
5708 | hidnplayr | 41 | add eax, [rectangle.x] ; [screen.width]*[rectangle.y]+[rectangle.x] |
5722 | hidnplayr | 42 | lea edi, [framebuffer+eax*3] ; edi = framebuffer_data+([screen.width]*[rectangle.y]+[rectangle.x])*3 |
5666 | hidnplayr | 43 | |
44 | movzx eax, [screen.width] |
||
5668 | hidnplayr | 45 | sub eax, [rectangle.width] |
5666 | hidnplayr | 46 | lea ebp, [eax*3] ; ebp = ([screen.width]-[rectangle.width])*3 |
47 | |||
48 | cmp esi, edi |
||
5708 | hidnplayr | 49 | ja .not_backwards |
5666 | hidnplayr | 50 | |
5708 | hidnplayr | 51 | ; Source pixels come before destination in buffer, copy backwards. |
52 | DEBUGF 1,"backwards\n" |
||
5668 | hidnplayr | 53 | mov eax, [rectangle.height] |
5708 | hidnplayr | 54 | dec eax |
5666 | hidnplayr | 55 | movzx edx, [screen.width] |
56 | mul edx |
||
5708 | hidnplayr | 57 | add eax, [rectangle.width] |
58 | lea eax, [eax*3-1] ; eax = (([rectangle.height]-1)*[screen.width]+[rectangle.width])*3-1 |
||
5666 | hidnplayr | 59 | add esi, eax |
60 | add edi, eax |
||
61 | neg ebp |
||
62 | std |
||
5708 | hidnplayr | 63 | .not_backwards: |
5666 | hidnplayr | 64 | |
5708 | hidnplayr | 65 | ; Do the actual copying |
66 | mov eax, [rectangle.width] |
||
67 | lea eax, [eax*3] |
||
68 | mov ebx, eax |
||
69 | and eax, 11b |
||
70 | shr ebx, 2 |
||
5668 | hidnplayr | 71 | mov edx, [rectangle.height] |
5666 | hidnplayr | 72 | .lineloop: |
5708 | hidnplayr | 73 | mov ecx, eax |
74 | rep movsb |
||
75 | mov ecx, ebx |
||
76 | rep movsd |
||
5666 | hidnplayr | 77 | add esi, ebp |
78 | add edi, ebp |
||
79 | dec edx |
||
80 | jnz .lineloop |
||
81 | |||
82 | pop esi |
||
83 | add esi, 4 |
||
84 | cld |
||
85 | jmp next_rectangle |