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kolibrios/programs/network/vncc/raw.inc

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2010-2015. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;; VNC client for KolibriOS ;;
;; ;;
;; Written by hidnplayr@kolibrios.org ;;
;; ;;
;; GNU GENERAL PUBLIC LICENSE ;;
;; Version 2, June 1991 ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
encoding_raw:
DEBUGF 1,"RAW\n"
mov eax, [rectangle.width]
mov ebx, [rectangle.height]
mul ebx
if BITS_PER_PIXEL = 16
shl eax, 1
else if BITS_PER_PIXEL = 24
lea eax, [eax*2+eax]
else if BITS_PER_PIXEL = 32
shl eax, 2
end if
@@:
push eax
add eax, esi
cmp [datapointer], eax
jae @f
call read_data.more
pop eax
jmp @b
@@:
pop eax
mov eax, [rectangle.y]
movzx ebx, [screen.width]
mul ebx ; [screen.width]*[rectangle.y]
add eax, [rectangle.x] ; [screen.width]*[rectangle.y]+[rectangle.x]
lea edi, [framebuffer+eax*3] ; edi = framebuffer_data+([screen.width]*[rectangle.y]+[rectangle.x])*3
movzx eax, [screen.width]
sub eax, [rectangle.width]
lea ebp, [eax*3] ; ebp = ([screen.width]-[rectangle.width])*3
mov edx, [rectangle.height]
.lineloop:
mov ecx, [rectangle.width]
if BITS_PER_PIXEL = 8
.pixelloop:
xor eax, eax
lodsb
mov eax, [lut_8bpp+eax*4]
stosw
shr eax, 16
stosb
dec ecx
jnz .pixelloop
else if BITS_PER_PIXEL = 16
.pixelloop:
lodsw
mov bx, ax
shl al, 3
and al, 0xf8
stosb ; blue
mov ax, bx
shr ax, 3
and al, 0xfc
stosb ; green
mov al, bh
and al, 0xf8
stosb ; red
dec ecx
jnz .pixelloop
else if BITS_PER_PIXEL = 24
lea ecx, [ecx*2+ecx]
rep movsb
else if BITS_PER_PIXEL = 32
.pixelloop:
movsw
movsb
inc esi
dec ecx
jnz .pixelloop
end if
add edi, ebp
dec edx
jnz .lineloop
jmp next_rectangle