forked from KolibriOS/kolibrios
168 lines
4.2 KiB
PHP
168 lines
4.2 KiB
PHP
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2010-2015. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; VNC client for KolibriOS ;;
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;; ;;
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;; Written by hidnplayr@kolibrios.org ;;
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;; ;;
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;; GNU GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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encoding_cursor:
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DEBUGF 1, "Set cursor: width=%u height=%u\n", [rectangle.width], [rectangle.height]
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mov eax, [rectangle.width]
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mul [rectangle.height]
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mov ebx, eax
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add ebx, 7
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shr ebx, 3
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mov ecx, BYTES_PER_PIXEL
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mul ecx
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lea ecx, [eax+ebx]
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@@:
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lea eax, [esi+ecx]
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cmp [datapointer], eax
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jae @f
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call read_data.more
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jmp @b
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@@:
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; TODO: chop larger cursor sizes to 32x32 ?
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cmp [rectangle.width], 32
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ja .fail
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cmp [rectangle.height], 32
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ja .fail
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; Convert cursor image to 32*32 ARGB format
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mov edi, cursor.image
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mov edx, [rectangle.height]
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test edx, edx
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jz .zero_height
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.lineloop:
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mov ecx, [rectangle.width]
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test ecx, ecx
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jz .zero_width
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.pixelloop:
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call load_pixel
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stosd
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dec ecx
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jnz .pixelloop
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.zero_width:
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mov ecx, 32
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sub ecx, [rectangle.width]
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jz @f
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xor eax, eax
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rep stosd
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@@:
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dec edx
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jnz .lineloop
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.zero_height:
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mov ecx, 32
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sub ecx, [rectangle.height]
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jz @f
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shl ecx, 5 ; mul 32
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xor eax, eax
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rep stosd
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@@:
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mov edi, cursor.image+3
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mov edx, [rectangle.height]
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test edx, edx
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jz .finish
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.zloop:
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mov ecx, [rectangle.width]
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test ecx, ecx
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jz .finish
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.aloop:
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lodsb
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mov bl, al
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shl bl, 1
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salc
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mov byte[edi], al
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add edi, 4
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dec ecx
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jz .n
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shl bl, 1
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salc
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mov byte[edi], al
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add edi, 4
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dec ecx
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jz .n
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shl bl, 1
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salc
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mov byte[edi], al
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add edi, 4
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dec ecx
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jz .n
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shl bl, 1
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salc
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mov byte[edi], al
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add edi, 4
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dec ecx
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jz .n
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shl bl, 1
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salc
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mov byte[edi], al
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add edi, 4
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dec ecx
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jz .n
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shl bl, 1
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salc
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mov byte[edi], al
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add edi, 4
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dec ecx
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jz .n
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shl bl, 1
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salc
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mov byte[edi], al
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add edi, 4
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dec ecx
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jz .n
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shl bl, 1
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salc
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mov byte[edi], al
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add edi, 4
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dec ecx
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jz .n
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jmp .aloop
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.n:
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mov eax, 32
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sub eax, [rectangle.width]
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shl eax, 2
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add edi, eax
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dec edx
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jnz .zloop
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.finish:
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mov eax, [rectangle.x]
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mov [cursor.x], al
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mov eax, [rectangle.y]
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mov [cursor.y], al
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or [work], WORK_CURSOR
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DEBUGF 1, "Set cursor succeeded\n"
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jmp next_rectangle
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.fail:
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add esi, ecx
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DEBUGF 2, "Set cursor failed!\n"
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jmp next_rectangle
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