libimg: Implement more bit depth conversion routines
git-svn-id: svn://kolibrios.org@9713 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
parent
cde7c5bb44
commit
db0f7a7b77
@ -70,13 +70,15 @@ START:
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mov ebx, [image_converted]
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mov eax, [ebx + Image.Width]
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add eax, 200*0x10000 + 5*2 - 1 ; window x position + 10 pixels width for skin borders
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; window x position + 10 pixels width for skin borders
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add eax, 200*0x10000 + 5*2 - 1
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mov [window_width], eax
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mcall 48, 4 ; get skin height
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mov ebx, [image_converted]
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add eax, [ebx + Image.Height]
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add eax, 100*0x10000 + 5 - 1 ; window y position + 5 pixels height for skin bottom border
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; window y position + 5 pixels height for skin bottom border
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add eax, 100*0x10000 + 5 - 1
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mov [window_height], eax
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;-----------------------------------------------------------------------------
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@ -93,7 +95,8 @@ still:
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.draw_window:
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mcall 12, 1
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mcall 0, [window_width], [window_height], 0x74FFFFFF, 0x00000000, window_title
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mcall 0, [window_width], [window_height], 0x74FFFFFF, 0x00000000, \
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window_title
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call draw_image
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mcall 12, 2
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jmp still
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@ -116,7 +119,8 @@ exit:
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proc draw_image
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mov ebx, [image_converted]
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invoke img.draw, ebx, 0, 0, [ebx + Image.Width], [ebx + Image.Height], 0, 0
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invoke img.draw, ebx, 0, 0, [ebx + Image.Width], \
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[ebx + Image.Height], 0, 0
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ret
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endp
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@ -1,38 +1,41 @@
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;;================================================================================================;;
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;;//// convert.asm //// (c) dunkaist, 2012 ///////////////////////////////////////////////////////;;
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;;================================================================================================;;
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;;============================================================================;;
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;;//// convert.asm //// (c) dunkaist, 2012,2016,2017,2020,2022 ///////////////;;
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;;============================================================================;;
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;; ;;
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;; This file is part of Common development libraries (Libs-Dev). ;;
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;; ;;
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;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
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;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
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;; of the License, or (at your option) any later version. ;;
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;; SPDX-License-Identifier: LGPL-2.1-or-later ;;
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;; ;;
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;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
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;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
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;; Lesser General Public License for more details. ;;
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;; Libs-Dev is free software: you can redistribute it and/or modify it under ;;
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;; the terms of the GNU Lesser General Public License as published by the ;;
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;; Free Software Foundation, either version 2.1 of the License, or (at your ;;
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;; option) any later version. ;;
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;; ;;
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;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
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;; If not, see <http://www.gnu.org/licenses/>. ;;
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;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ;;
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ;;
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;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public ;;
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;; License for more details. ;;
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;; ;;
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;;================================================================================================;;
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;; You should have received a copy of the GNU Lesser General Public License ;;
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;; along with Libs-Dev. If not, see <http://www.gnu.org/licenses/>. ;;
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;; ;;
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;;============================================================================;;
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;;================================================================================================;;
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;;============================================================================;;
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proc img.convert _src, _dst, _dst_type, _flags, _param ;;
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;;------------------------------------------------------------------------------------------------;;
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;;----------------------------------------------------------------------------;;
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;? convert _image ;;
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;;------------------------------------------------------------------------------------------------;;
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;;----------------------------------------------------------------------------;;
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;> [_src] = pointer to source image ;;
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;> [_dst] = pointer to destination image, or 0 to create a new one ;;
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;> [_dst_type] = Image.Type of resulting image ;;
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;> [_flags] = see libimg.inc ;;
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;> [_param] = depends on _flags fields, see libimg.inc ;;
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;;------------------------------------------------------------------------------------------------;;
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;;----------------------------------------------------------------------------;;
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;< eax = 0 / pointer to converted image ;;
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;< ecx = error code / undefined ;;
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;;================================================================================================;;
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;;============================================================================;;
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locals
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img dd ?
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prev dd ?
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@ -41,25 +44,25 @@ endl
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mov [img], 0
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mov [prev], 0
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mov ebx, [_src]
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@@:
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@@:
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mov eax, [ebx + Image.Previous]
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test eax, eax
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jz .loop
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mov ebx, eax
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jmp @b
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.loop:
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.loop:
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stdcall img.convert.layer, ebx, [_dst], [_dst_type], [_flags], [_param]
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test eax, eax
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jz .error
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cmp [img], 0
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jnz @f
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mov [img], eax
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@@:
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@@:
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mov ecx, [prev]
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jecxz @f
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mov [ecx + Image.Next], eax
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mov [eax + Image.Previous], ecx
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@@:
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@@:
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mov [prev], eax
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push [ebx + Image.Flags]
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pop [eax + Image.Flags]
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@ -69,26 +72,26 @@ endl
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test ebx, ebx
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jnz .loop
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mov eax, [img]
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.error:
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.error:
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pop edi esi ebx
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ret
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endp
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;;================================================================================================;;
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;;============================================================================;;
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proc img.convert.layer _src, _dst, _dst_type, _flags, _param ;;
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;;------------------------------------------------------------------------------------------------;;
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;;----------------------------------------------------------------------------;;
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;? convert _image layer ;;
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;;------------------------------------------------------------------------------------------------;;
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;;----------------------------------------------------------------------------;;
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;> [_src] = pointer to source image ;;
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;> [_dst] = pointer to destination image, or 0 to create a new one ;;
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;> [_dst_type] = Image.Type of resulting image ;;
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;> [_flags] = see libimg.inc ;;
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;> [_param] = depends on _flags fields, see libimg.inc ;;
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;;------------------------------------------------------------------------------------------------;;
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;;----------------------------------------------------------------------------;;
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;< eax = 0 / pointer to converted image ;;
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;< ecx = error code / undefined ;;
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;;================================================================================================;;
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;;============================================================================;;
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locals
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fun rd 1
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endl
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@ -97,13 +100,11 @@ endl
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mov ebx, [_src]
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mov eax, [ebx + Image.Type]
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mov esi, [img.convert.table + 4*eax]
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.next:
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mov ecx, LIBIMG_ERROR_BIT_DEPTH
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.next:
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lodsd
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test eax, eax
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jnz @f
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mov ecx, LIBIMG_ERROR_BIT_DEPTH
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jmp .exit
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@@:
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jz .exit
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cmp eax, [_dst_type]
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lodsd
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jnz .next
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@ -112,17 +113,18 @@ endl
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mov eax, [_dst]
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test eax, eax
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jnz @f
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stdcall img.create, [ebx + Image.Width], [ebx + Image.Height], [_dst_type]
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stdcall img.create, [ebx + Image.Width], [ebx + Image.Height], \
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[_dst_type]
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test eax, eax
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jz .exit
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mov [_dst], eax
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@@:
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@@:
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mov edi, [eax + Image.Data]
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mov esi, [ebx + Image.Data]
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mov eax, [ebx + Image.Type]
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stdcall [fun], [_src], [_dst]
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mov eax, [_dst]
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.exit:
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.exit:
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pop edi esi ebx
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ret
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endp
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@ -134,7 +136,7 @@ proc img._.convert.bpp8i_to_bpp24 _src, _dst
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mov ebx, [ebx + Image.Palette]
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sub ecx, 1
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jz .bpp8i.last
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@@:
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@@:
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movzx eax, byte[esi]
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add esi, 1
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mov eax, [ebx + eax*4]
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@ -142,7 +144,7 @@ proc img._.convert.bpp8i_to_bpp24 _src, _dst
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add edi, 3
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sub ecx, 1
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jnz @b
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.bpp8i.last:
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.bpp8i.last:
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movzx eax, byte[esi]
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mov eax, [ebx + eax*4]
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mov [edi], ax
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@ -151,13 +153,12 @@ proc img._.convert.bpp8i_to_bpp24 _src, _dst
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ret
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endp
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proc img._.convert.bpp8i_to_bpp32 _src, _dst
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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mov ebx, [ebx + Image.Palette]
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@@:
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@@:
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movzx eax, byte[esi]
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add esi, 1
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mov eax, [ebx + eax*4]
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@ -168,17 +169,16 @@ proc img._.convert.bpp8i_to_bpp32 _src, _dst
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ret
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endp
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proc img._.convert.bpp8g_to_bpp1 _src, _dst
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mov eax, [_dst]
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mov eax, [eax + Image.Palette]
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mov dword[eax], 0x00000000
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mov dword[eax + 4], 0xffffffff
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mov edx, [ebx + Image.Height]
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.bpp8g_to_bpp1.line:
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.bpp8g_to_bpp1.line:
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mov ax, 0x0800
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mov ecx, [ebx + Image.Width]
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.bpp8g_to_bpp1.pixel:
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.bpp8g_to_bpp1.pixel:
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shl al, 1
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cmp byte[esi], 0x7f
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cmc
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@ -189,7 +189,7 @@ proc img._.convert.bpp8g_to_bpp1 _src, _dst
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mov byte[edi], al
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add edi, 1
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mov ax, 0x0800
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@@:
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@@:
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dec ecx
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jnz .bpp8g_to_bpp1.pixel
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cmp ah, 8
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@ -198,7 +198,7 @@ proc img._.convert.bpp8g_to_bpp1 _src, _dst
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shl al, cl
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mov byte[edi], al
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add edi, 1
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@@:
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@@:
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dec edx
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jnz .bpp8g_to_bpp1.line
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ret
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@ -207,7 +207,7 @@ endp
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proc img._.convert.bpp8g_to_bpp24 _src, _dst
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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@@:
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@@:
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mov al, byte[esi]
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mov byte[edi + 0], al
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mov byte[edi + 1], al
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@ -219,6 +219,21 @@ proc img._.convert.bpp8g_to_bpp24 _src, _dst
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ret
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endp
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proc img._.convert.bpp8g_to_bpp32 _src, _dst
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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@@:
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mov al, byte[esi]
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mov byte[edi + 0], al
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mov byte[edi + 1], al
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mov byte[edi + 2], al
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mov byte[edi + 3], -1
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add esi, 1
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add edi, 4
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dec ecx
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jnz @b
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ret
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endp
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proc img._.convert.bpp24_to_bpp24 _src, _dst
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mov ecx, [ebx + Image.Width]
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@ -233,11 +248,10 @@ proc img._.convert.bpp24_to_bpp24 _src, _dst
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ret
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endp
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proc img._.convert.bpp24_to_bpp8g _src, _dst
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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@@:
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@@:
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movzx ebx, byte[esi + 0]
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movzx eax, byte[esi + 1]
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add ebx, eax
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@ -253,11 +267,10 @@ proc img._.convert.bpp24_to_bpp8g _src, _dst
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ret
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endp
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proc img._.convert.bpp24_to_bpp32 _src, _dst
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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@@:
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@@:
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lodsw
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ror eax, 16
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lodsb
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@ -269,11 +282,22 @@ proc img._.convert.bpp24_to_bpp32 _src, _dst
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ret
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endp
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proc img._.convert.bpp24_to_bpp1 _src, _dst
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stdcall img.convert.layer, [_src], 0, Image.bpp8g, 0, 0
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test eax, eax
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jz .exit
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push eax
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mov ecx, [_dst]
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stdcall img.convert.layer, eax, ecx, [ecx+Image.Type], 0, 0
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stdcall img.destroy ; arg pushed
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.exit:
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ret
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endp
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proc img._.convert.bpp32_to_bpp24 _src, _dst
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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@@:
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@@:
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mov eax, [esi]
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mov [edi], ax
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shr eax, 16
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@ -285,7 +309,6 @@ proc img._.convert.bpp32_to_bpp24 _src, _dst
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ret
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endp
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proc img._.convert.bpp32_to_bpp32 _src, _dst
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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@ -293,17 +316,48 @@ proc img._.convert.bpp32_to_bpp32 _src, _dst
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ret
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endp
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proc img._.convert.bpp32_to_bpp1 _src, _dst
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push esi
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stdcall img.convert.layer, [_src], 0, Image.bpp24, 0, 0
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test eax, eax
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jz .exit
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push eax
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stdcall img.convert.layer, eax, 0, Image.bpp8g, 0, 0
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mov esi, eax
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stdcall img.destroy ; arg pushed
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test esi, esi
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jz .exit
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push esi
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mov ecx, [_dst]
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stdcall img.convert.layer, esi, ecx, [ecx+Image.Type], 0, 0
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stdcall img.destroy ; arg pushed
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.exit:
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pop esi
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ret
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endp
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proc img._.convert.bpp32_to_bpp8g _src, _dst
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stdcall img.convert.layer, [_src], 0, Image.bpp24, 0, 0
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test eax, eax
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jz .exit
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push eax
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mov ecx, [_dst]
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stdcall img.convert.layer, eax, ecx, [ecx+Image.Type], 0, 0
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stdcall img.destroy ; arg pushed
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.exit:
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ret
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endp
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proc img._.convert.bpp15_to_bpp24 _src, _dst
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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.bpp15.intel: ; copypasted from do_rgb
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.bpp15.intel: ; copypasted from do_rgb
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push ebx ebp
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sub ecx, 4
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jb .bpp15.tail
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align 16
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.bpp15.intel.loop:
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.bpp15.intel.loop:
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repeat 2
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mov ebx, [esi]
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mov al, [esi]
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@ -350,7 +404,7 @@ repeat 2
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end repeat
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sub ecx, 4
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jnb .bpp15.intel.loop
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.bpp15.tail:
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.bpp15.tail:
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add ecx, 4
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jz .bpp15.done
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@@:
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@ -374,17 +428,17 @@ end repeat
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add edi, 3
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sub ecx, 1
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jnz @b
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.bpp15.done:
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.bpp15.done:
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pop ebp ebx
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mov eax, [_dst]
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jmp .quit
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.bpp15.amd:
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.bpp15.amd:
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push ebx ebp
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sub ecx, 4
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jb .bpp15.tail
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align 16
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.bpp15.amd.loop:
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.bpp15.amd.loop:
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repeat 4
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if (% mod 2) = 1
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mov eax, dword[esi]
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@ -414,7 +468,7 @@ end repeat
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jnb .bpp15.amd.loop
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jmp .bpp15.tail
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.quit:
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.quit:
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ret
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endp
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@ -422,12 +476,12 @@ endp
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proc img._.convert.bpp16_to_bpp24 _src, _dst
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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.bpp16.intel:
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.bpp16.intel:
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push ebx ebp
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sub ecx, 4
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jb .bpp16.tail
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align 16
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.bpp16.intel.loop:
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.bpp16.intel.loop:
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repeat 2
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mov ebx, [esi]
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mov al, [esi]
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@ -473,7 +527,7 @@ repeat 2
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end repeat
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sub ecx, 4
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jnb .bpp16.intel.loop
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.bpp16.tail:
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.bpp16.tail:
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add ecx, 4
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jz .bpp16.done
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@@:
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@ -497,17 +551,17 @@ end repeat
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add edi, 3
|
||||
sub ecx, 1
|
||||
jnz @b
|
||||
.bpp16.done:
|
||||
.bpp16.done:
|
||||
pop ebp ebx
|
||||
mov eax, [_dst]
|
||||
jmp .quit
|
||||
|
||||
.bpp16.amd:
|
||||
.bpp16.amd:
|
||||
push ebx ebp
|
||||
sub ecx, 4
|
||||
jb .bpp16.tail
|
||||
align 16
|
||||
.bpp16.amd.loop:
|
||||
.bpp16.amd.loop:
|
||||
repeat 4
|
||||
if (% mod 2) = 1
|
||||
mov eax, dword[esi]
|
||||
@ -537,12 +591,12 @@ end repeat
|
||||
jnb .bpp16.amd.loop
|
||||
jmp .bpp16.tail
|
||||
|
||||
.quit:
|
||||
.quit:
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
proc img._.convert.bpp1_to_bpp24 _src, _dst
|
||||
proc img._.convert.bpp1_to_bpp24 uses ebx, _src, _dst
|
||||
locals
|
||||
width rd 1
|
||||
height rd 1
|
||||
@ -552,13 +606,13 @@ endl
|
||||
push [ebx + Image.Height]
|
||||
pop [height]
|
||||
mov edx, [ebx + Image.Palette]
|
||||
.bpp1_to_bpp24.line:
|
||||
.bpp1_to_bpp24.line:
|
||||
mov ebx, [width]
|
||||
.bpp1_to_bpp24.byte:
|
||||
.bpp1_to_bpp24.byte:
|
||||
mov ah, 8
|
||||
mov al, byte[esi]
|
||||
add esi, 1
|
||||
.bpp1_to_bpp24.bit:
|
||||
.bpp1_to_bpp24.bit:
|
||||
xor ecx, ecx
|
||||
shl al, 1
|
||||
adc ecx, 0
|
||||
@ -572,14 +626,59 @@ endl
|
||||
sub [height], 1
|
||||
jnz .bpp1_to_bpp24.line
|
||||
jmp .bpp1.done
|
||||
@@:
|
||||
@@:
|
||||
sub ah, 1
|
||||
jnz .bpp1_to_bpp24.bit
|
||||
jmp .bpp1_to_bpp24.byte
|
||||
.bpp1.done:
|
||||
.bpp1.done:
|
||||
ret
|
||||
endp
|
||||
|
||||
proc img._.convert.bpp1_to_bpp32 _src, _dst
|
||||
stdcall img.convert.layer, [_src], 0, Image.bpp24, 0, 0
|
||||
test eax, eax
|
||||
jz .exit
|
||||
push eax
|
||||
mov ecx, [_dst]
|
||||
stdcall img.convert.layer, eax, ecx, [ecx+Image.Type], 0, 0
|
||||
stdcall img.destroy ; arg pushed
|
||||
.exit:
|
||||
ret
|
||||
endp
|
||||
|
||||
proc img._.convert.bpp1_to_bpp8g _src, _dst
|
||||
locals
|
||||
width rd 1
|
||||
height rd 1
|
||||
endl
|
||||
push [ebx + Image.Width]
|
||||
pop [width]
|
||||
push [ebx + Image.Height]
|
||||
pop [height]
|
||||
.line:
|
||||
mov edx, [width]
|
||||
.byte:
|
||||
mov ah, 8
|
||||
mov al, byte[esi]
|
||||
inc esi
|
||||
.bit:
|
||||
xor ecx, ecx
|
||||
shl al, 1
|
||||
sbb ecx, 0
|
||||
mov byte[edi], cl
|
||||
inc edi
|
||||
dec edx
|
||||
jnz @f
|
||||
dec [height]
|
||||
jnz .line
|
||||
jmp .done
|
||||
@@:
|
||||
dec ah
|
||||
jnz .bit
|
||||
jmp .byte
|
||||
.done:
|
||||
ret
|
||||
endp
|
||||
|
||||
proc img._.convert.bpp8a_to_bpp1 _src, _dst
|
||||
mov eax, [_dst]
|
||||
@ -587,10 +686,10 @@ proc img._.convert.bpp8a_to_bpp1 _src, _dst
|
||||
mov dword[eax], 0x00000000
|
||||
mov dword[eax + 4], 0xffffffff
|
||||
mov edx, [ebx + Image.Height]
|
||||
.bpp8a_to_bpp1.line:
|
||||
.bpp8a_to_bpp1.line:
|
||||
mov ax, 0x0800
|
||||
mov ecx, [ebx + Image.Width]
|
||||
.bpp8a_to_bpp1.pixel:
|
||||
.bpp8a_to_bpp1.pixel:
|
||||
shl al, 1
|
||||
cmp byte[esi], 0x7f
|
||||
cmc
|
||||
@ -601,7 +700,7 @@ proc img._.convert.bpp8a_to_bpp1 _src, _dst
|
||||
mov byte[edi], al
|
||||
add edi, 1
|
||||
mov ax, 0x0800
|
||||
@@:
|
||||
@@:
|
||||
dec ecx
|
||||
jnz .bpp8a_to_bpp1.pixel
|
||||
cmp ah, 8
|
||||
@ -610,7 +709,7 @@ proc img._.convert.bpp8a_to_bpp1 _src, _dst
|
||||
shl al, cl
|
||||
mov byte[edi], al
|
||||
add edi, 1
|
||||
@@:
|
||||
@@:
|
||||
dec edx
|
||||
jnz .bpp8a_to_bpp1.line
|
||||
ret
|
||||
@ -620,7 +719,7 @@ endp
|
||||
proc img._.convert.bpp8a_to_bpp24 _src, _dst
|
||||
mov ecx, [ebx + Image.Width]
|
||||
imul ecx, [ebx + Image.Height]
|
||||
@@:
|
||||
@@:
|
||||
mov al, byte[esi]
|
||||
mov byte[edi + 0], al
|
||||
mov byte[edi + 1], al
|
||||
@ -636,7 +735,7 @@ endp
|
||||
proc img._.convert.bpp8a_to_bpp32 _src, _dst
|
||||
mov ecx, [ebx + Image.Width]
|
||||
imul ecx, [ebx + Image.Height]
|
||||
@@:
|
||||
@@:
|
||||
lodsw
|
||||
shl eax, 8
|
||||
mov al, ah
|
||||
@ -657,10 +756,13 @@ img.convert.bpp24.table:
|
||||
dd Image.bpp24, img._.convert.bpp24_to_bpp24
|
||||
dd Image.bpp8g, img._.convert.bpp24_to_bpp8g
|
||||
dd Image.bpp32, img._.convert.bpp24_to_bpp32
|
||||
dd Image.bpp1, img._.convert.bpp24_to_bpp1
|
||||
dd 0
|
||||
img.convert.bpp32.table:
|
||||
dd Image.bpp24, img._.convert.bpp32_to_bpp24
|
||||
dd Image.bpp32, img._.convert.bpp32_to_bpp32
|
||||
dd Image.bpp1, img._.convert.bpp32_to_bpp1
|
||||
dd Image.bpp8g, img._.convert.bpp32_to_bpp8g
|
||||
dd 0
|
||||
img.convert.bpp15.table:
|
||||
dd Image.bpp24, img._.convert.bpp15_to_bpp24
|
||||
@ -670,9 +772,12 @@ img.convert.bpp16.table:
|
||||
dd 0
|
||||
img.convert.bpp1.table:
|
||||
dd Image.bpp24, img._.convert.bpp1_to_bpp24
|
||||
dd Image.bpp32, img._.convert.bpp1_to_bpp32
|
||||
dd Image.bpp8g, img._.convert.bpp1_to_bpp8g
|
||||
dd 0
|
||||
img.convert.bpp8g.table:
|
||||
dd Image.bpp24, img._.convert.bpp8g_to_bpp24
|
||||
dd Image.bpp32, img._.convert.bpp8g_to_bpp32
|
||||
dd Image.bpp1, img._.convert.bpp8g_to_bpp1
|
||||
dd 0
|
||||
img.convert.bpp2i.table:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user