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67 lines
2.9 KiB
HTML
67 lines
2.9 KiB
HTML
;;================================================================================================;;
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;;//// libimg.inc //// (c) mike.dld, 2007-2008, (c) diamond, 2009 ////////////////////////////////;;
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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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struct FormatsTableEntry
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Is dd ?
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Decode dd ?
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Encode 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]
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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.bpp8 or Image.bpp1
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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.bpp8 = 1
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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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; 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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