forked from KolibriOS/kolibrios
img.scale and img.convert fix for multiframe images
new function: img.get_scaled_size git-svn-id: svn://kolibrios.org@6807 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
parent
c299820b03
commit
741b6ad89c
@ -17,15 +17,70 @@
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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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;? scale _image ;;
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;? convert _image ;;
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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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;> [_dst_type] = the Image.Type of converted image ;;
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;> [_dst] = pointer to destination image, if any ;;
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;> [_param] = depends on _flags fields, see libimg.inc ;;
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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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push ebx esi edi 0 0
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mov ebx, [_src]
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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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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 dword[esp + 4], 0
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jnz @f
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mov [esp + 4], eax
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@@:
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mov ecx, [esp]
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jecxz @f
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mov [ecx + Image.Next], eax
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@@:
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push [ebx + Image.Flags]
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pop [eax + Image.Flags]
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push [ebx + Image.Delay]
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pop [eax + Image.Delay]
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mov [eax + Image.Previous], ecx
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mov [esp], eax
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mov ebx, [ebx + Image.Next]
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test ebx, ebx
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jnz .loop
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.quit:
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pop eax eax edi esi ebx
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ret
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.error:
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pop eax eax edi esi ebx
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ret
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endp
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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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;? convert _image layer ;;
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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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;< eax = 0 / pointer to converted image ;;
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;< ecx = error code / undefined ;;
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@ -34,6 +89,8 @@ locals
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width rd 1
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height rd 1
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endl
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push ebx esi edi
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mov ebx, [_src]
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mov eax, 1
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mov ecx, [_dst_type]
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@ -151,6 +208,13 @@ endl
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mov eax, [_dst]
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jmp .quit
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.bpp8g_to_bpp8g:
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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rep movsb
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mov eax, [_dst]
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jmp .quit
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.bpp8g_to_bpp24:
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mov ecx, [ebx + Image.Width]
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imul ecx, [ebx + Image.Height]
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@ -199,6 +263,19 @@ endl
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jnz @b
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mov eax, [_dst]
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jmp .quit
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.bpp24_to_bpp32:
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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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lodsw
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ror eax, 16
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lodsb
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rol eax, 16
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stosd
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dec ecx
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jnz @b
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mov eax, [_dst]
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jmp .quit
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.bpp32:
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@ -561,25 +638,28 @@ end repeat
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.error:
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xor eax, eax
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.quit:
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pop edi esi ebx
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ret
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endp
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img.convert.bpp8i.table:
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dd Image.bpp24, img.convert.bpp8i_to_bpp24
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dd Image.bpp24, img.convert.layer.bpp8i_to_bpp24
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img.convert.bpp8g.table:
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dd Image.bpp24, img.convert.bpp8g_to_bpp24
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dd Image.bpp1, img.convert.bpp8g_to_bpp1
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dd Image.bpp24, img.convert.layer.bpp8g_to_bpp24
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dd Image.bpp8g, img.convert.layer.bpp8g_to_bpp8g
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dd Image.bpp1, img.convert.layer.bpp8g_to_bpp1
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img.convert.bpp24.table:
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dd Image.bpp24, img.convert.bpp24_to_bpp24
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dd Image.bpp8g, img.convert.bpp24_to_bpp8g
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dd Image.bpp24, img.convert.layer.bpp24_to_bpp24
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dd Image.bpp8g, img.convert.layer.bpp24_to_bpp8g
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dd Image.bpp32, img.convert.layer.bpp24_to_bpp32
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img.convert.bpp32.table:
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dd Image.bpp24, img.convert.bpp32_to_bpp24
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dd Image.bpp24, img.convert.layer.bpp32_to_bpp24
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img.convert.bpp15.table:
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dd Image.bpp24, img.convert.bpp15_to_bpp24
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dd Image.bpp24, img.convert.layer.bpp15_to_bpp24
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img.convert.bpp16.table:
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dd Image.bpp24, img.convert.bpp16_to_bpp24
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dd Image.bpp24, img.convert.layer.bpp16_to_bpp24
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img.convert.bpp1.table:
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dd Image.bpp24, img.convert.bpp1_to_bpp24
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dd Image.bpp24, img.convert.layer.bpp1_to_bpp24
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img.convert.bpp8a.table:
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dd Image.bpp24, img.convert.bpp8a_to_bpp24
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dd Image.bpp24, img.convert.layer.bpp8a_to_bpp24
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File diff suppressed because it is too large
Load Diff
@ -1,124 +1,127 @@
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;;================================================================================================;;
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;;//// libimg.inc //// (c) mike.dld, 2007-2008, (c) diamond, 2009, (c) dunkaist, 2011-2013 ///////;;
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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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;; ;;
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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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;; ;;
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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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;; ;;
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;;================================================================================================;;
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; list of format id's
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LIBIMG_FORMAT_BMP = 1
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LIBIMG_FORMAT_ICO = 2
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LIBIMG_FORMAT_CUR = 3
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LIBIMG_FORMAT_GIF = 4
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LIBIMG_FORMAT_PNG = 5
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LIBIMG_FORMAT_JPEG = 6
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LIBIMG_FORMAT_TGA = 7
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LIBIMG_FORMAT_PCX = 8
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LIBIMG_FORMAT_XCF = 9
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LIBIMG_FORMAT_TIFF = 10
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LIBIMG_FORMAT_PNM = 11
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LIBIMG_FORMAT_WBMP = 12
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LIBIMG_FORMAT_XBM = 13
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LIBIMG_FORMAT_Z80 = 14
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; scale type ; corresponding img.scale params
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LIBIMG_SCALE_INTEGER = 1 ; scale factor ; reserved 0
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LIBIMG_SCALE_TILE = 2 ; new width ; new height
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LIBIMG_SCALE_STRETCH = 3 ; new width ; new height
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LIBIMG_SCALE_FIT_RECT = 4 ; new width ; new height
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LIBIMG_SCALE_FIT_WIDTH = 5 ; new width ; new height
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LIBIMG_SCALE_FIT_HEIGHT = 6 ; new width ; new height
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LIBIMG_SCALE_FIT_MAX = 7 ; new width ; new height
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; interpolation algorithm
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LIBIMG_INTER_NONE = 0 ; use it with LIBIMG_SCALE_INTEGER, LIBIMG_SCALE_TILE, etc
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LIBIMG_INTER_BILINEAR = 1
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;LIBIMG_INTER_BICUBIC = 2
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;LIBIMG_INTER_LANCZOS = 3
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LIBIMG_INTER_DEFAULT = LIBIMG_INTER_BILINEAR
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; error codes
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LIBIMG_ERROR_OUT_OF_MEMORY = 1
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LIBIMG_ERROR_FORMAT = 2
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LIBIMG_ERROR_CONDITIONS = 3
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LIBIMG_ERROR_BIT_DEPTH = 4
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LIBIMG_ERROR_ENCODER = 5
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LIBIMG_ERROR_SRC_TYPE = 6
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LIBIMG_ERROR_SCALE = 7
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LIBIMG_ERROR_INTER = 8
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LIBIMG_ERROR_NOT_INPLEMENTED = 9
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LIBIMG_ERROR_INVALID_INPUT = 10
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; encode flags (byte 0x02 of _common option)
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LIBIMG_ENCODE_STRICT_SPECIFIC = 0x01
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LIBIMG_ENCODE_STRICT_BIT_DEPTH = 0x02
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LIBIMG_ENCODE_DELETE_ALPHA = 0x08
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LIBIMG_ENCODE_FLUSH_ALPHA = 0x10
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; convert flags
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; TBD
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struct FormatsTableEntry
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Format_id dd ?
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Is dd ?
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Decode dd ?
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Encode dd ?
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Capabilities dd ?
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ends
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struct Image
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Checksum dd ? ; ((Width ROL 16) OR Height) XOR Data[0] ; ignored so far
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Width dd ?
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Height dd ?
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Next dd ?
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Previous dd ?
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Type dd ? ; one of Image.bppN
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Data dd ?
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Palette dd ? ; used iff Type eq Image.bpp1, Image.bpp2, Image.bpp4 or Image.bpp8i
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Extended dd ?
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Flags dd ? ; bitfield
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Delay dd ? ; used iff Image.IsAnimated is set in Flags
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ends
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; values for Image.Type
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; must be consecutive to allow fast switch on Image.Type in support functions
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Image.bpp8i = 1 ; indexed
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Image.bpp24 = 2
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Image.bpp32 = 3
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Image.bpp15 = 4
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Image.bpp16 = 5
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Image.bpp1 = 6
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Image.bpp8g = 7 ; grayscale
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Image.bpp2i = 8
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Image.bpp4i = 9
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Image.bpp8a = 10 ; grayscale with alpha channel; application layer only!!! kernel doesn't handle this image type, libimg can only create and destroy such images
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; bits in Image.Flags
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Image.IsAnimated = 1
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struct ImageDecodeOptions
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UsedSize dd ? ; if >=8, the field BackgroundColor is valid, and so on
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BackgroundColor dd ? ; used for transparent images as background
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ends
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FLIP_VERTICAL = 0x01
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FLIP_HORIZONTAL = 0x02
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FLIP_BOTH = FLIP_VERTICAL or FLIP_HORIZONTAL
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ROTATE_90_CW = 0x01
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ROTATE_180 = 0x02
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ROTATE_270_CW = 0x03
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ROTATE_90_CCW = ROTATE_270_CW
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ROTATE_270_CCW = ROTATE_90_CW
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;;================================================================================================;;
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;;//// libimg.inc //// (c) mike.dld, 2007-2008, (c) diamond, 2009, (c) dunkaist, 2011-2013 ///////;;
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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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;; ;;
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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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;; ;;
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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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;; ;;
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;;================================================================================================;;
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; list of format id's
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LIBIMG_FORMAT_BMP = 1
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LIBIMG_FORMAT_ICO = 2
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LIBIMG_FORMAT_CUR = 3
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LIBIMG_FORMAT_GIF = 4
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LIBIMG_FORMAT_PNG = 5
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LIBIMG_FORMAT_JPEG = 6
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LIBIMG_FORMAT_TGA = 7
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LIBIMG_FORMAT_PCX = 8
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LIBIMG_FORMAT_XCF = 9
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LIBIMG_FORMAT_TIFF = 10
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LIBIMG_FORMAT_PNM = 11
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LIBIMG_FORMAT_WBMP = 12
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LIBIMG_FORMAT_XBM = 13
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LIBIMG_FORMAT_Z80 = 14
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; scale type ; corresponding img.scale params
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LIBIMG_SCALE_NONE = 0 ; do not scale
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LIBIMG_SCALE_INTEGER = 1 ; scale factor ; reserved 0
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LIBIMG_SCALE_TILE = 2 ; new width ; new height
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LIBIMG_SCALE_STRETCH = 3 ; new width ; new height
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LIBIMG_SCALE_FIT_BOTH = LIBIMG_SCALE_STRETCH
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LIBIMG_SCALE_FIT_MIN = 4 ; new width ; new height
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LIBIMG_SCALE_FIT_RECT = LIBIMG_SCALE_FIT_MIN
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LIBIMG_SCALE_FIT_WIDTH = 5 ; new width ; new height
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LIBIMG_SCALE_FIT_HEIGHT = 6 ; new width ; new height
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LIBIMG_SCALE_FIT_MAX = 7 ; new width ; new height
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; interpolation algorithm
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LIBIMG_INTER_NONE = 0 ; use it with LIBIMG_SCALE_INTEGER, LIBIMG_SCALE_TILE, etc
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LIBIMG_INTER_BILINEAR = 1
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;LIBIMG_INTER_BICUBIC = 2
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;LIBIMG_INTER_LANCZOS = 3
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LIBIMG_INTER_DEFAULT = LIBIMG_INTER_BILINEAR
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; error codes
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LIBIMG_ERROR_OUT_OF_MEMORY = 1
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LIBIMG_ERROR_FORMAT = 2
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LIBIMG_ERROR_CONDITIONS = 3
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LIBIMG_ERROR_BIT_DEPTH = 4
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LIBIMG_ERROR_ENCODER = 5
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LIBIMG_ERROR_SRC_TYPE = 6
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LIBIMG_ERROR_SCALE = 7
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LIBIMG_ERROR_INTER = 8
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LIBIMG_ERROR_NOT_INPLEMENTED = 9
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LIBIMG_ERROR_INVALID_INPUT = 10
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; encode flags (byte 0x02 of _common option)
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;LIBIMG_ENCODE_STRICT_SPECIFIC = 0x01
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LIBIMG_ENCODE_STRICT_BIT_DEPTH = 0x02
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;LIBIMG_ENCODE_DELETE_ALPHA = 0x08
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;LIBIMG_ENCODE_FLUSH_ALPHA = 0x10
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; convert flags
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; none so far
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struct FormatsTableEntry
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Format_id dd ?
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Is dd ?
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Decode dd ?
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Encode dd ?
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Capabilities dd ?
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ends
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struct Image
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Checksum dd ? ; ((Width ROL 16) OR Height) XOR Data[0] ; ignored so far
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Width dd ?
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Height dd ?
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Next dd ?
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Previous dd ?
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Type dd ? ; one of Image.bppN
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Data dd ?
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Palette dd ? ; used iff Type eq Image.bpp1, Image.bpp2, Image.bpp4 or Image.bpp8i
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Extended dd ?
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Flags dd ? ; bitfield
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Delay dd ? ; used iff Image.IsAnimated is set in Flags
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ends
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; values for Image.Type
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; must be consecutive to allow fast switch on Image.Type in support functions
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Image.bpp8i = 1 ; indexed
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Image.bpp24 = 2
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Image.bpp32 = 3
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Image.bpp15 = 4
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Image.bpp16 = 5
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Image.bpp1 = 6
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Image.bpp8g = 7 ; grayscale
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Image.bpp2i = 8
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Image.bpp4i = 9
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Image.bpp8a = 10 ; grayscale with alpha channel; application layer only!!! kernel doesn't handle this image type, libimg can only create and destroy such images
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; bits in Image.Flags
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Image.IsAnimated = 1
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struct ImageDecodeOptions
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UsedSize dd ? ; if >=8, the field BackgroundColor is valid, and so on
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BackgroundColor dd ? ; used for transparent images as background
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ends
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FLIP_VERTICAL = 0x01
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FLIP_HORIZONTAL = 0x02
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FLIP_BOTH = FLIP_VERTICAL or FLIP_HORIZONTAL
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ROTATE_90_CW = 0x01
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ROTATE_180 = 0x02
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ROTATE_270_CW = 0x03
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ROTATE_90_CCW = ROTATE_270_CW
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ROTATE_270_CCW = ROTATE_90_CW
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File diff suppressed because it is too large
Load Diff
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