forked from KolibriOS/kolibrios
libimg: new scale type (tile), some fixes
git-svn-id: svn://kolibrios.org@3053 a494cfbc-eb01-0410-851d-a64ba20cac60
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@ -110,18 +110,12 @@ proc draw_image
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inc edx
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mov ebx, [image_initial]
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; invoke img.scale, ebx, 1, 2, 5, 5, 0, LIBIMG_SCALE_TYPE_STRETCH, LIBIMG_SCALE_ALG_BILINEAR, edx, ecx
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; invoke img.scale, ebx, 1, 2, 5, 5, 0, LIBIMG_SCALE_TYPE_STRETCH, LIBIMG_SCALE_ALG_INTEGER, 3, 3
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invoke img.scale, ebx, 0, 0, [ebx + Image.Width], [ebx + Image.Height], 0, LIBIMG_SCALE_TYPE_STRETCH, LIBIMG_SCALE_ALG_BILINEAR, edx, ecx
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; invoke img.scale, ebx, 0, 0, [ebx + Image.Width], [ebx + Image.Height], 0, LIBIMG_SCALE_INTEGER, LIBIMG_INTER_NONE, 5, 5
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; invoke img.scale, ebx, 1, 2, 5, 5, 0, LIBIMG_SCALE_TILE, LIBIMG_INTER_NONE, edx, ecx
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; invoke img.scale, ebx, 0, 0, [ebx + Image.Width], [ebx + Image.Height], 0, LIBIMG_SCALE_TILE, LIBIMG_INTER_NONE, edx, ecx
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; invoke img.scale, ebx, 1, 2, 5, 5, 0, LIBIMG_SCALE_STRETCH, LIBIMG_INTER_BILINEAR, edx, ecx
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invoke img.scale, ebx, 0, 0, [ebx + Image.Width], [ebx + Image.Height], 0, LIBIMG_SCALE_STRETCH, LIBIMG_INTER_BILINEAR, edx, ecx
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; proc img.scale _src, _crop_x, _crop_y, _crop_width, _crop_height, _dst, _scale_type, _scale_alg, _param1, _param2
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; see libimg.inc for available scale types and algorithms
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; LIBIMG_SCALE_ALG_BILINEAR: _param1, _param2 -- width and height of rectangle to fit _src image to
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; LIBIMG_SCALE_ALG_INTEGER: _param1 -- scale factor (i.e. 3 means scaling 7x7 to 21x21); _param2 ignored
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; LIBIMG_SCALE_TYPE_*: just try and see, they are common STRETCH, FIT_BY_WIDTH etc.
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; returns pointer to a scaled image
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; invoke img.scale, ebx, 0, 0, [ebx + Image.Width], [ebx + Image.Height], 0, LIBIMG_SCALE_TYPE_STRETCH, LIBIMG_SCALE_ALG_INTEGER, 3, 3
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test eax, eax
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jz exit
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mov [image_scaled], eax
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@ -134,17 +128,18 @@ endp
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;-----------------------------------------------------------------------------
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window_title db 'img.scale example',0
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input_file db '/hd0/1/gray_5x7.tiff',0
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;input_file db '/hd0/1/grayscale_123x123.tiff',0
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;input_file db '/hd0/1/grayscale_357x357.tiff',0
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;input_file db '/hd0/1/grayscale_620x620.tiff',0
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;input_file db '/hd0/1/rgb_220.jpg',0
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;input_file db '/hd0/1/rgba_217.tiff',0
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;input_file db '/hd0/1/rgb_7x9.tiff',0
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;input_file db '/hd0/1/rgba_7x9.tiff',0
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;input_file db '/hd0/1/gray_7x9.tiff',0
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;input_file db '/hd0/1/rgb_70x90.png',0
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input_file:
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; db '/hd0/1/gray_5x7.tiff',0
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db '/hd0/1/rgb_lzw_le_2x2.tiff',0
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; db '/hd0/1/grayscale_123x123.tiff',0
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; db '/hd0/1/grayscale_357x357.tiff',0
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; db '/hd0/1/grayscale_620x620.tiff',0
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; db '/hd0/1/rgb_220.jpg',0
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; db '/hd0/1/rgba_217.tiff',0
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; db '/hd0/1/rgb_7x9.tiff',0
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; db '/hd0/1/rgba_7x9.tiff',0
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; db '/hd0/1/gray_7x9.tiff',0
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; db '/hd0/1/rgb_70x90.png',0
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;-----------------------------------------------------------------------------
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align 4
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@ -1914,19 +1914,19 @@ endp
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align 4
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img.formats_table:
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.bmp dd LIBIMG_FORMAT_ID_BMP, img.is.bmp, img.decode.bmp, img.encode.bmp, 1 + (1 SHL Image.bpp24) + (1 SHL Image.bpp32)
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.ico dd LIBIMG_FORMAT_ID_ICO, img.is.ico, img.decode.ico_cur, img.encode.ico, 0
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.cur dd LIBIMG_FORMAT_ID_CUR, img.is.cur, img.decode.ico_cur, img.encode.cur, 0
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.gif dd LIBIMG_FORMAT_ID_GIF, img.is.gif, img.decode.gif, img.encode.gif, 0
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.png dd LIBIMG_FORMAT_ID_PNG, img.is.png, img.decode.png, img.encode.png, 0
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.jpg dd LIBIMG_FORMAT_ID_JPEG, img.is.jpg, img.decode.jpg, img.encode.jpg, 0
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.tga dd LIBIMG_FORMAT_ID_TGA, img.is.tga, img.decode.tga, img.encode.tga, 0
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.pcx dd LIBIMG_FORMAT_ID_PCX, img.is.pcx, img.decode.pcx, img.encode.pcx, 0
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.xcf dd LIBIMG_FORMAT_ID_XCF, img.is.xcf, img.decode.xcf, img.encode.xcf, 0
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.tiff dd LIBIMG_FORMAT_ID_TIFF, img.is.tiff, img.decode.tiff, img.encode.tiff,0
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.pnm dd LIBIMG_FORMAT_ID_PNM, img.is.pnm, img.decode.pnm, img.encode.pnm, 1 + (1 SHL Image.bpp1) + (1 SHL Image.bpp8g) + (1 SHL Image.bpp24)
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.wbmp dd LIBIMG_FORMAT_ID_WBMP, img.is.wbmp, img.decode.wbmp, img.encode.wbmp,0
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.z80 dd LIBIMG_FORMAT_ID_Z80, img.is.z80, img.decode.z80, img.encode.z80, 0 ;this must be the last entry as there are no signatures in z80 screens at all
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.bmp dd LIBIMG_FORMAT_BMP, img.is.bmp, img.decode.bmp, img.encode.bmp, 1 + (1 SHL Image.bpp24) + (1 SHL Image.bpp32)
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.ico dd LIBIMG_FORMAT_ICO, img.is.ico, img.decode.ico_cur, img.encode.ico, 0
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.cur dd LIBIMG_FORMAT_CUR, img.is.cur, img.decode.ico_cur, img.encode.cur, 0
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.gif dd LIBIMG_FORMAT_GIF, img.is.gif, img.decode.gif, img.encode.gif, 0
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.png dd LIBIMG_FORMAT_PNG, img.is.png, img.decode.png, img.encode.png, 0
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.jpg dd LIBIMG_FORMAT_JPEG, img.is.jpg, img.decode.jpg, img.encode.jpg, 0
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.tga dd LIBIMG_FORMAT_TGA, img.is.tga, img.decode.tga, img.encode.tga, 0
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.pcx dd LIBIMG_FORMAT_PCX, img.is.pcx, img.decode.pcx, img.encode.pcx, 0
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.xcf dd LIBIMG_FORMAT_XCF, img.is.xcf, img.decode.xcf, img.encode.xcf, 0
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.tiff dd LIBIMG_FORMAT_TIFF, img.is.tiff, img.decode.tiff, img.encode.tiff,0
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.pnm dd LIBIMG_FORMAT_PNM, img.is.pnm, img.decode.pnm, img.encode.pnm, 1 + (1 SHL Image.bpp1) + (1 SHL Image.bpp8g) + (1 SHL Image.bpp24)
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.wbmp dd LIBIMG_FORMAT_WBMP, img.is.wbmp, img.decode.wbmp, img.encode.wbmp,0
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.z80 dd LIBIMG_FORMAT_Z80, img.is.z80, img.decode.z80, img.encode.z80, 0 ;this must be the last entry as there are no signatures in z80 screens at all
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dd 0
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;;================================================================================================;;
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@ -18,34 +18,35 @@
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;;================================================================================================;;
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; list of format id's
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LIBIMG_FORMAT_ID_BMP = 1
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LIBIMG_FORMAT_ID_ICO = 2
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LIBIMG_FORMAT_ID_CUR = 3
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LIBIMG_FORMAT_ID_GIF = 4
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LIBIMG_FORMAT_ID_PNG = 5
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LIBIMG_FORMAT_ID_JPEG = 6
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LIBIMG_FORMAT_ID_TGA = 7
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LIBIMG_FORMAT_ID_PCX = 8
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LIBIMG_FORMAT_ID_XCF = 9
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LIBIMG_FORMAT_ID_TIFF = 10
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LIBIMG_FORMAT_ID_PNM = 11
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LIBIMG_FORMAT_ID_WBMP = 12
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LIBIMG_FORMAT_ID_Z80 = 13
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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_Z80 = 13
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; scale type
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LIBIMG_SCALE_TYPE_STRETCH = 0
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LIBIMG_SCALE_TYPE_FIT_RECT = 1
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LIBIMG_SCALE_TYPE_FIT_WIDTH = 2
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LIBIMG_SCALE_TYPE_FIT_HEIGHT = 3
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LIBIMG_SCALE_TYPE_FIT_MAX = 4
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;LIBIMG_SCALE_TYPE_TILE = 5
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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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; scale algorithm
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;LIBIMG_SCALE_ALG_DEFAULT = 0
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LIBIMG_SCALE_ALG_INTEGER = 1
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LIBIMG_SCALE_ALG_BILINEAR = 2
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;LIBIMG_SCALE_ALG_BICUBIC = 3
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;LIBIMG_SCALE_ALG_LANCZOS = 4
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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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@ -54,9 +55,10 @@ 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_TYPE = 7
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LIBIMG_ERROR_SCALE_ALG = 8
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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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@ -18,7 +18,7 @@
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;;================================================================================================;;
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;;================================================================================================;;
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proc img.scale _src, _crop_x, _crop_y, _crop_width, _crop_height, _dst, _scale_type, _scale_alg, _param1, _param2 ;;
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proc img.scale _src, _crop_x, _crop_y, _crop_width, _crop_height, _dst, _scale, _inter, _param1, _param2 ;;
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;;------------------------------------------------------------------------------------------------;;
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;? scale _image ;;
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;;------------------------------------------------------------------------------------------------;;
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@ -28,10 +28,10 @@ proc img.scale _src, _crop_x, _crop_y, _crop_width, _crop_height, _dst, _scale_t
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;> [_crop_width] = width of cropping rect ;;
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;> [_crop_height] = height of cropping rect ;;
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;> [_dst] = pointer to resulting image / 0 ;;
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;> [_scale_type] = how to change width and height. see libimg.inc ;;
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;> [_scale_alg] = algorithm to use. see libimg.inc ;;
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;> [_param1] = the first argument passed to _scale_alg algorithm ;;
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;> [_param2] = the second argument passed to _scale_alg algorithm ;;
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;> [_scale] = how to change width and height. see libimg.inc ;;
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;> [_inter] = interpolation algorithm ;;
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;> [_param1] = see libimg.inc ;;
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;> [_param2] = see libimg.inc ;;
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;;------------------------------------------------------------------------------------------------;;
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;< eax = 0 / pointer to scaled image ;;
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;< ecx = error code / undefined ;;
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@ -45,11 +45,11 @@ locals
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src_width_bytes rd 1
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src_height_pixels rd 1
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scl_width_pixels rd 1
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scl_width_pixels_inv rd 1
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scl_height_pixels rd 1
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scl_height_pixels_inv rd 1
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scl_width_bytes rd 1
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dst_width_pixels rd 1
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dst_width_pixels_inv rd 1
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dst_height_pixels rd 1
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dst_height_pixels_inv rd 1
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dst_width_bytes rd 1
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bytes_per_pixel rd 1
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crop_width_pixels_m1 rd 1
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@ -89,7 +89,7 @@ endl
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jne @f
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mov [bytes_per_pixel], 3
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lea ecx, [ecx*3]
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lea edx, [ecx*3]
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lea edx, [edx*3]
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jmp .lab1
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@@:
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cmp eax, Image.bpp8g
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@ -104,27 +104,121 @@ endl
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add [src_data], edx
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mov eax, [_scale_alg]
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cmp eax, LIBIMG_SCALE_ALG_INTEGER
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je .integer
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cmp eax, LIBIMG_SCALE_ALG_BILINEAR
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je .bilinear
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mov ecx, LIBIMG_ERROR_SCALE_ALG
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mov eax, [_scale]
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cmp eax, LIBIMG_SCALE_INTEGER
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je .scale_type.integer
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cmp eax, LIBIMG_SCALE_TILE
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je .scale_type.tile
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cmp eax, LIBIMG_SCALE_FIT_RECT
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je .scale_type.fit_rect
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cmp eax, LIBIMG_SCALE_FIT_WIDTH
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je .scale_type.fit_width
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cmp eax, LIBIMG_SCALE_FIT_HEIGHT
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je .scale_type.fit_height
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cmp eax, LIBIMG_SCALE_FIT_MAX
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je .scale_type.fit_max
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cmp eax, LIBIMG_SCALE_STRETCH
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je .scale_type.stretch
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mov ecx, LIBIMG_ERROR_SCALE
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jmp .error
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.scale_type.integer:
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jmp .integer
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.scale_type.tile:
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jmp .tile
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.scale_type.fit_rect:
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mov eax, [_param1]
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shl eax, 16
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add eax, 0x00008000
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xor edx, edx
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div [src_width_pixels]
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mov ebx, eax
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mov eax, [_param2]
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shl eax, 16
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add eax, 0x00008000
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xor edx, edx
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div [src_height_pixels]
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mov ecx, eax
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cmp ebx, ecx
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jb @f
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mov ebx, ecx
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@@:
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jmp .scale_type.fit_common
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.scale_type.fit_max:
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mov eax, [_param1]
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shl eax, 16
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add eax, 0x00008000
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xor edx, edx
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div [src_width_pixels]
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mov ebx, eax
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mov eax, [_param2]
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shl eax, 16
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add eax, 0x00008000
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xor edx, edx
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div [src_height_pixels]
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mov ecx, eax
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cmp ebx, ecx
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ja @f
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mov ebx, ecx
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@@:
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jmp .scale_type.fit_common
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.scale_type.fit_width:
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mov eax, [_param1]
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shl eax, 16
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add eax, 0x00008000
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xor edx, edx
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div [src_width_pixels]
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mov ebx, eax
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jmp .scale_type.fit_common
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.scale_type.fit_height:
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mov eax, [_param2]
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shl eax, 16
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add eax, 0x00008000
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xor edx, edx
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div [src_height_pixels]
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mov ebx, eax
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jmp .scale_type.fit_common
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.scale_type.fit_common:
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mov eax, [src_width_pixels]
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mul ebx
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shr eax, 16
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mov [dst_width_pixels], eax
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imul eax, [bytes_per_pixel]
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mov [dst_width_bytes], eax
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mov eax, [src_height_pixels]
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mul ebx
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shr eax, 16
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mov [dst_height_pixels], eax
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jmp .define_inter
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.scale_type.stretch:
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mov eax, [_param1]
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mov [dst_width_pixels], eax
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imul eax, [bytes_per_pixel]
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mov [dst_width_bytes], eax
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mov ecx, [_param2]
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mov [dst_height_pixels], ecx
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jmp .define_inter
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.define_inter:
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mov eax, [_inter]
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cmp eax, LIBIMG_INTER_BILINEAR
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je .bilinear
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mov ecx, LIBIMG_ERROR_INTER
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jmp .error
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.integer:
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mov eax, [_param1]
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mov ecx, [_crop_width]
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imul ecx, eax
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mov [scl_width_pixels], ecx
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mov [dst_width_pixels], ecx
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mov edx, [_crop_height]
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imul edx, eax
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mov [scl_height_pixels], edx
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mov [dst_height_pixels], edx
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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, [scl_width_pixels], [scl_height_pixels], [src_type]
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stdcall img.create, [dst_width_pixels], [dst_height_pixels], [src_type]
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test eax, eax
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jz .error
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mov [_dst], eax
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@ -144,8 +238,8 @@ endl
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jmp .error
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.integer.bpp8g:
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push [scl_width_pixels]
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pop [scl_width_bytes]
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push [dst_width_pixels]
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pop [dst_width_bytes]
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mov ecx, [_param1]
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; cmp ecx, 1
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; je .error
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@ -163,10 +257,10 @@ endl
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jnz @b
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push esi
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mov esi, edi
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sub esi, [scl_width_bytes]
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sub esi, [dst_width_bytes]
|
||||
mov ecx, edx
|
||||
dec ecx
|
||||
imul ecx, [scl_width_bytes]
|
||||
imul ecx, [dst_width_bytes]
|
||||
mov eax, ecx
|
||||
shr ecx, 2
|
||||
and eax, 0x00000003
|
||||
@ -184,9 +278,9 @@ endl
|
||||
jmp .quit
|
||||
|
||||
.integer.bpp24:
|
||||
mov eax, [scl_width_pixels]
|
||||
mov eax, [dst_width_pixels]
|
||||
lea eax, [eax*3]
|
||||
mov [scl_width_bytes], eax
|
||||
mov [dst_width_bytes], eax
|
||||
mov ecx, [_param1]
|
||||
; cmp ecx, 1
|
||||
; je .error
|
||||
@ -211,10 +305,10 @@ endl
|
||||
jnz @b
|
||||
push esi
|
||||
mov esi, edi
|
||||
sub esi, [scl_width_bytes]
|
||||
sub esi, [dst_width_bytes]
|
||||
mov ecx, edx
|
||||
dec ecx
|
||||
imul ecx, [scl_width_bytes]
|
||||
imul ecx, [dst_width_bytes]
|
||||
mov eax, ecx
|
||||
shr ecx, 2
|
||||
and eax, 0x00000003
|
||||
@ -233,9 +327,9 @@ endl
|
||||
jmp .quit
|
||||
|
||||
.integer.bpp32:
|
||||
mov eax, [scl_width_pixels]
|
||||
mov eax, [dst_width_pixels]
|
||||
shl eax, 2
|
||||
mov [scl_width_bytes], eax
|
||||
mov [dst_width_bytes], eax
|
||||
mov ecx, [_param1]
|
||||
; cmp ecx, 1
|
||||
; je .error
|
||||
@ -253,10 +347,10 @@ endl
|
||||
jnz @b
|
||||
push esi
|
||||
mov esi, edi
|
||||
sub esi, [scl_width_bytes]
|
||||
sub esi, [dst_width_bytes]
|
||||
mov ecx, edx
|
||||
dec ecx
|
||||
imul ecx, [scl_width_bytes]
|
||||
imul ecx, [dst_width_bytes]
|
||||
shr ecx, 2
|
||||
rep movsd
|
||||
pop esi
|
||||
@ -271,98 +365,73 @@ endl
|
||||
jmp .quit
|
||||
|
||||
|
||||
.bilinear:
|
||||
mov eax, [_scale_type]
|
||||
cmp eax, LIBIMG_SCALE_TYPE_FIT_RECT
|
||||
je .bilinear.fit_rect
|
||||
cmp eax, LIBIMG_SCALE_TYPE_FIT_WIDTH
|
||||
je .bilinear.fit_width
|
||||
cmp eax, LIBIMG_SCALE_TYPE_FIT_HEIGHT
|
||||
je .bilinear.fit_height
|
||||
cmp eax, LIBIMG_SCALE_TYPE_FIT_MAX
|
||||
je .bilinear.fit_max
|
||||
cmp eax, LIBIMG_SCALE_TYPE_STRETCH
|
||||
je .bilinear.stretch
|
||||
mov ecx, LIBIMG_ERROR_SCALE_TYPE
|
||||
jmp .error
|
||||
.bilinear.fit_rect:
|
||||
.tile:
|
||||
mov eax, [_param1]
|
||||
shl eax, 16
|
||||
add eax, 0x00008000
|
||||
xor edx, edx
|
||||
div [src_width_pixels]
|
||||
mov ebx, eax
|
||||
mov eax, [_param2]
|
||||
shl eax, 16
|
||||
add eax, 0x00008000
|
||||
xor edx, edx
|
||||
div [src_height_pixels]
|
||||
mov ecx, eax
|
||||
cmp ebx, ecx
|
||||
jb @f
|
||||
mov ebx, ecx
|
||||
@@:
|
||||
jmp .bilinear.fit_common
|
||||
.bilinear.fit_max:
|
||||
mov eax, [_param1]
|
||||
shl eax, 16
|
||||
add eax, 0x00008000
|
||||
xor edx, edx
|
||||
div [src_width_pixels]
|
||||
mov ebx, eax
|
||||
mov eax, [_param2]
|
||||
shl eax, 16
|
||||
add eax, 0x00008000
|
||||
xor edx, edx
|
||||
div [src_height_pixels]
|
||||
mov ecx, eax
|
||||
cmp ebx, ecx
|
||||
ja @f
|
||||
mov ebx, ecx
|
||||
@@:
|
||||
jmp .bilinear.fit_common
|
||||
.bilinear.fit_width:
|
||||
mov eax, [_param1]
|
||||
shl eax, 16
|
||||
add eax, 0x00008000
|
||||
xor edx, edx
|
||||
div [src_width_pixels]
|
||||
mov ebx, eax
|
||||
jmp .bilinear.fit_common
|
||||
.bilinear.fit_height:
|
||||
mov eax, [_param2]
|
||||
shl eax, 16
|
||||
add eax, 0x00008000
|
||||
xor edx, edx
|
||||
div [src_height_pixels]
|
||||
mov ebx, eax
|
||||
jmp .bilinear.fit_common
|
||||
.bilinear.fit_common:
|
||||
mov eax, [src_width_pixels]
|
||||
mul ebx
|
||||
shr eax, 16
|
||||
mov [scl_width_pixels], eax
|
||||
mov [dst_width_pixels], eax
|
||||
imul eax, [bytes_per_pixel]
|
||||
mov [scl_width_bytes], eax
|
||||
mov eax, [src_height_pixels]
|
||||
mul ebx
|
||||
shr eax, 16
|
||||
mov [scl_height_pixels], eax
|
||||
jmp .bilinear.common
|
||||
.bilinear.stretch:
|
||||
mov eax, [_param1]
|
||||
mov [scl_width_pixels], eax
|
||||
imul eax, [bytes_per_pixel]
|
||||
mov [scl_width_bytes], eax
|
||||
mov ecx, [_param2]
|
||||
mov [scl_height_pixels], ecx
|
||||
jmp .bilinear.common
|
||||
mov [dst_width_bytes], eax
|
||||
mov eax, [_param2]
|
||||
mov [dst_height_pixels], eax
|
||||
|
||||
.bilinear.common:
|
||||
mov eax, [_dst]
|
||||
test eax, eax
|
||||
jnz @f
|
||||
stdcall img.create, [scl_width_pixels], [scl_height_pixels], [src_type]
|
||||
stdcall img.create, [dst_width_pixels], [dst_height_pixels], [src_type]
|
||||
test eax, eax
|
||||
jz .error
|
||||
mov [_dst], eax
|
||||
@@:
|
||||
mov edi, [eax + Image.Data]
|
||||
mov [dst_data], edi
|
||||
|
||||
mov esi, [src_data]
|
||||
mov eax, [_crop_height]
|
||||
cmp eax, [dst_height_pixels]
|
||||
jna @f
|
||||
mov eax, [dst_height_pixels]
|
||||
@@:
|
||||
push eax
|
||||
mov ecx, [_crop_width]
|
||||
cmp ecx, [dst_width_pixels]
|
||||
jna @f
|
||||
mov ecx, [dst_width_pixels]
|
||||
@@:
|
||||
imul ecx, [bytes_per_pixel]
|
||||
mov edx, ecx
|
||||
@@:
|
||||
mov ecx, edx
|
||||
rep movsb
|
||||
|
||||
push esi
|
||||
mov esi, edi
|
||||
sub esi, edx
|
||||
mov ecx, [dst_width_bytes]
|
||||
sub ecx, edx
|
||||
rep movsb
|
||||
pop esi
|
||||
|
||||
mov ecx, [src_width_bytes]
|
||||
sub ecx, edx
|
||||
add esi, ecx
|
||||
dec eax
|
||||
jnz @b
|
||||
|
||||
pop eax
|
||||
mov esi, [dst_data]
|
||||
mov ecx, [dst_height_pixels]
|
||||
sub ecx, eax
|
||||
imul ecx, [dst_width_bytes]
|
||||
rep movsb
|
||||
|
||||
mov eax, [_dst]
|
||||
jmp .quit
|
||||
|
||||
|
||||
.bilinear:
|
||||
mov eax, [_dst]
|
||||
test eax, eax
|
||||
jnz @f
|
||||
stdcall img.create, [dst_width_pixels], [dst_height_pixels], [src_type]
|
||||
test eax, eax
|
||||
jz .error
|
||||
mov [_dst], eax
|
||||
@ -379,12 +448,12 @@ endl
|
||||
|
||||
mov eax, 0xffffffff
|
||||
xor edx, edx
|
||||
div [scl_width_pixels]
|
||||
mov [scl_width_pixels_inv], eax
|
||||
div [dst_width_pixels]
|
||||
mov [dst_width_pixels_inv], eax
|
||||
mov eax, 0xffffffff
|
||||
xor edx, edx
|
||||
div [scl_height_pixels]
|
||||
mov [scl_height_pixels_inv], eax
|
||||
div [dst_height_pixels]
|
||||
mov [dst_height_pixels_inv], eax
|
||||
|
||||
mov eax, [src_type]
|
||||
cmp eax, Image.bpp8g
|
||||
@ -405,7 +474,7 @@ endl
|
||||
mov [dst_x], 0
|
||||
imul eax, [crop_height_pixels_m1]
|
||||
xor edx, edx
|
||||
div [scl_height_pixels]
|
||||
div [dst_height_pixels]
|
||||
mov [rem_y], edx
|
||||
imul eax, [src_width_bytes]
|
||||
add esi, eax
|
||||
@ -417,7 +486,7 @@ endl
|
||||
|
||||
imul eax, [crop_width_pixels_m1]
|
||||
xor edx, edx
|
||||
div [scl_width_pixels]
|
||||
div [dst_width_pixels]
|
||||
add esi, eax
|
||||
|
||||
mov ax, word[esi]
|
||||
@ -432,12 +501,12 @@ endl
|
||||
imul edx, esi
|
||||
imul ecx, esi
|
||||
neg esi
|
||||
add esi, [scl_width_pixels]
|
||||
add esi, [dst_width_pixels]
|
||||
imul eax, esi
|
||||
imul ebx, esi
|
||||
add eax, edx
|
||||
add ebx, ecx
|
||||
mov esi, [scl_width_pixels_inv]
|
||||
mov esi, [dst_width_pixels_inv]
|
||||
mul esi
|
||||
mov ecx, edx
|
||||
mov eax, ebx
|
||||
@ -447,21 +516,21 @@ endl
|
||||
mov edx, [rem_y]
|
||||
imul eax, edx
|
||||
neg edx
|
||||
add edx, [scl_height_pixels]
|
||||
add edx, [dst_height_pixels]
|
||||
imul ecx, edx
|
||||
add eax, ecx
|
||||
mul [scl_height_pixels_inv]
|
||||
mul [dst_height_pixels_inv]
|
||||
mov byte[edi], dl
|
||||
add edi, 1
|
||||
|
||||
add [dst_x], 1
|
||||
mov eax, [dst_x]
|
||||
cmp eax, [scl_width_pixels]
|
||||
cmp eax, [dst_width_pixels]
|
||||
jne .bilinear.bpp8g.pixel
|
||||
|
||||
add [dst_y], 1
|
||||
mov eax, [dst_y]
|
||||
cmp eax, [scl_height_pixels]
|
||||
cmp eax, [dst_height_pixels]
|
||||
jne .bilinear.bpp8g.line
|
||||
|
||||
mov eax, [_dst]
|
||||
@ -477,7 +546,7 @@ endl
|
||||
mov [dst_x], 0
|
||||
imul eax, [crop_height_pixels_m1]
|
||||
xor edx, edx
|
||||
div [scl_height_pixels]
|
||||
div [dst_height_pixels]
|
||||
mov [rem_y], edx
|
||||
imul eax, [src_width_bytes]
|
||||
add esi, eax
|
||||
@ -489,7 +558,7 @@ endl
|
||||
|
||||
imul eax, [crop_width_pixels_m1]
|
||||
xor edx, edx
|
||||
div [scl_width_pixels]
|
||||
div [dst_width_pixels]
|
||||
lea eax, [eax*3]
|
||||
add esi, eax
|
||||
|
||||
@ -514,12 +583,12 @@ repeat 3
|
||||
imul edx, esi
|
||||
imul ecx, esi
|
||||
neg esi
|
||||
add esi, [scl_width_pixels]
|
||||
add esi, [dst_width_pixels]
|
||||
imul eax, esi
|
||||
imul ebx, esi
|
||||
add eax, edx
|
||||
add ebx, ecx
|
||||
mov esi, [scl_width_pixels_inv]
|
||||
mov esi, [dst_width_pixels_inv]
|
||||
mul esi
|
||||
mov ecx, edx
|
||||
mov eax, ebx
|
||||
@ -529,22 +598,22 @@ repeat 3
|
||||
mov edx, [rem_y]
|
||||
imul eax, edx
|
||||
neg edx
|
||||
add edx, [scl_height_pixels]
|
||||
add edx, [dst_height_pixels]
|
||||
imul ecx, edx
|
||||
add eax, ecx
|
||||
mul [scl_height_pixels_inv]
|
||||
mul [dst_height_pixels_inv]
|
||||
mov byte[edi], dl
|
||||
add edi, 1
|
||||
end repeat
|
||||
|
||||
add [dst_x], 1
|
||||
mov eax, [dst_x]
|
||||
cmp eax, [scl_width_pixels]
|
||||
cmp eax, [dst_width_pixels]
|
||||
jne .bilinear.bpp24.pixel
|
||||
|
||||
add [dst_y], 1
|
||||
mov eax, [dst_y]
|
||||
cmp eax, [scl_height_pixels]
|
||||
cmp eax, [dst_height_pixels]
|
||||
jne .bilinear.bpp24.line
|
||||
|
||||
mov eax, [_dst]
|
||||
@ -559,7 +628,7 @@ end repeat
|
||||
mov [dst_x], 0
|
||||
imul eax, [crop_height_pixels_m1]
|
||||
xor edx, edx
|
||||
div [scl_height_pixels]
|
||||
div [dst_height_pixels]
|
||||
mov [rem_y], edx
|
||||
imul eax, [src_width_bytes]
|
||||
add esi, eax
|
||||
@ -571,7 +640,7 @@ end repeat
|
||||
|
||||
imul eax, [crop_width_pixels_m1]
|
||||
xor edx, edx
|
||||
div [scl_width_pixels]
|
||||
div [dst_width_pixels]
|
||||
shl eax, 2
|
||||
add esi, eax
|
||||
|
||||
@ -596,12 +665,12 @@ repeat 4
|
||||
imul edx, esi
|
||||
imul ecx, esi
|
||||
neg esi
|
||||
add esi, [scl_width_pixels]
|
||||
add esi, [dst_width_pixels]
|
||||
imul eax, esi
|
||||
imul ebx, esi
|
||||
add eax, edx
|
||||
add ebx, ecx
|
||||
mov esi, [scl_width_pixels_inv]
|
||||
mov esi, [dst_width_pixels_inv]
|
||||
mul esi
|
||||
mov ecx, edx
|
||||
mov eax, ebx
|
||||
@ -611,22 +680,22 @@ repeat 4
|
||||
mov edx, [rem_y]
|
||||
imul eax, edx
|
||||
neg edx
|
||||
add edx, [scl_height_pixels]
|
||||
add edx, [dst_height_pixels]
|
||||
imul ecx, edx
|
||||
add eax, ecx
|
||||
mul [scl_height_pixels_inv]
|
||||
mul [dst_height_pixels_inv]
|
||||
mov byte[edi], dl
|
||||
add edi, 1
|
||||
end repeat
|
||||
|
||||
add [dst_x], 1
|
||||
mov eax, [dst_x]
|
||||
cmp eax, [scl_width_pixels]
|
||||
cmp eax, [dst_width_pixels]
|
||||
jne .bilinear.bpp32.pixel
|
||||
|
||||
add [dst_y], 1
|
||||
mov eax, [dst_y]
|
||||
cmp eax, [scl_height_pixels]
|
||||
cmp eax, [dst_height_pixels]
|
||||
jne .bilinear.bpp32.line
|
||||
|
||||
mov eax, [_dst]
|
||||
|
||||
@ -395,6 +395,8 @@ endl
|
||||
.post.predictor:
|
||||
cmp [ebx + tiff_extra.predictor], 2 ; Horizontal differencing
|
||||
jne .post.end
|
||||
cmp [ebx + tiff_extra.image_width], 1
|
||||
je .post.end
|
||||
push ebx
|
||||
mov edi, [ebx + tiff_extra.samples_per_pixel]
|
||||
mov edx, edi
|
||||
|
||||
Loading…
Reference in New Issue
Block a user