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139 lines
3.3 KiB
139 lines
3.3 KiB
// vim: set tabstop=4 shiftwidth=4 noexpandtab
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/* -*- c++ -*-
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* gimp.h: Header for a Qt 3 plug-in for reading GIMP XCF image files
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* Copyright (C) 2001 lignum Computing, Inc. <allen@lignumcomputing.com>
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*
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* This plug-in is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/*
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* These are the constants and functions I extracted from The GIMP source
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* code. If the reader fails to work, this is probably the place to start
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* looking for discontinuities.
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*/
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// From GIMP "tile.h" v1.2
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const uint TILE_WIDTH = 64; //!< Width of a tile in the XCF file.
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const uint TILE_HEIGHT = 64; //!< Height of a tile in the XCF file.
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// From GIMP "paint_funcs.c" v1.2
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const int RANDOM_TABLE_SIZE = 4096; //!< Size of dissolve random number table.
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const int RANDOM_SEED = 314159265; //!< Seed for dissolve random number table.
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const double EPSILON = 0.0001; //!< Roundup in alpha blending.
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// From GIMP "paint_funcs.h" v1.2
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const uchar OPAQUE_OPACITY = 255; //!< Opaque value for 8-bit alpha component.
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// From GIMP "apptypes.h" v1.2
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//! Basic GIMP image type. QImage converter may produce a deeper image
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//! than is specified here. For example, a grayscale image with an
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//! alpha channel must (currently) use a 32-bit Qt image.
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typedef enum
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{
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RGB,
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GRAY,
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INDEXED
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} GimpImageBaseType;
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//! Type of individual layers in an XCF file.
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typedef enum
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{
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RGB_GIMAGE,
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RGBA_GIMAGE,
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GRAY_GIMAGE,
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GRAYA_GIMAGE,
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INDEXED_GIMAGE,
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INDEXEDA_GIMAGE
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} GimpImageType;
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//! Effect to apply when layers are merged together.
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typedef enum
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{
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NORMAL_MODE,
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DISSOLVE_MODE,
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BEHIND_MODE,
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MULTIPLY_MODE,
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SCREEN_MODE,
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OVERLAY_MODE,
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DIFFERENCE_MODE,
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ADDITION_MODE,
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SUBTRACT_MODE,
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DARKEN_ONLY_MODE,
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LIGHTEN_ONLY_MODE,
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HUE_MODE,
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SATURATION_MODE,
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COLOR_MODE,
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VALUE_MODE,
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DIVIDE_MODE,
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ERASE_MODE,
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REPLACE_MODE,
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ANTI_ERASE_MODE
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} LayerModeEffects;
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// From GIMP "xcf.c" v1.2
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//! Properties which can be stored in an XCF file.
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typedef enum
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{
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PROP_END = 0,
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PROP_COLORMAP = 1,
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PROP_ACTIVE_LAYER = 2,
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PROP_ACTIVE_CHANNEL = 3,
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PROP_SELECTION = 4,
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PROP_FLOATING_SELECTION = 5,
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PROP_OPACITY = 6,
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PROP_MODE = 7,
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PROP_VISIBLE = 8,
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PROP_LINKED = 9,
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PROP_PRESERVE_TRANSPARENCY = 10,
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PROP_APPLY_MASK = 11,
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PROP_EDIT_MASK = 12,
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PROP_SHOW_MASK = 13,
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PROP_SHOW_MASKED = 14,
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PROP_OFFSETS = 15,
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PROP_COLOR = 16,
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PROP_COMPRESSION = 17,
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PROP_GUIDES = 18,
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PROP_RESOLUTION = 19,
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PROP_TATTOO = 20,
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PROP_PARASITES = 21,
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PROP_UNIT = 22,
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PROP_PATHS = 23,
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PROP_USER_UNIT = 24
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} PropType;
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// From GIMP "xcf.c" v1.2
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//! Compression type used in layer tiles.
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typedef enum
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{
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COMPRESS_NONE = 0,
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COMPRESS_RLE = 1,
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COMPRESS_ZLIB = 2,
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COMPRESS_FRACTAL = 3 /* Unused. */
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} CompressionType;
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