1 files changed, 138 insertions, 0 deletions
diff --git a/src/gvcore/gimp.h b/src/gvcore/gimp.h
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+// vim: set tabstop=4 shiftwidth=4 noexpandtab
+/* -*- c++ -*-
+ * gimp.h: Header for a Qt 3 plug-in for reading GIMP XCF image files
+ * Copyright (C) 2001 lignum Computing, Inc. <allen@lignumcomputing.com>
+ *
+ * This plug-in is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+/*
+ * These are the constants and functions I extracted from The GIMP source
+ * code. If the reader fails to work, this is probably the place to start
+ * looking for discontinuities.
+ */
+
+// From GIMP "tile.h" v1.2
+
+const uint TILE_WIDTH = 64;	//!< Width of a tile in the XCF file.
+const uint TILE_HEIGHT = 64;	//!< Height of a tile in the XCF file.
+
+// From GIMP "paint_funcs.c" v1.2
+
+const int RANDOM_TABLE_SIZE = 4096; //!< Size of dissolve random number table.
+const int RANDOM_SEED = 314159265; //!< Seed for dissolve random number table.
+const double EPSILON = 0.0001;	//!< Roundup in alpha blending.
+
+// From GIMP "paint_funcs.h" v1.2
+
+const uchar OPAQUE_OPACITY = 255; //!< Opaque value for 8-bit alpha component.
+
+// From GIMP "apptypes.h" v1.2
+
+//! Basic GIMP image type. QImage converter may produce a deeper image
+//! than is specified here. For example, a grayscale image with an
+//! alpha channel must (currently) use a 32-bit Qt image.
+
+typedef enum
+{
+  RGB,
+  GRAY,
+  INDEXED
+} GimpImageBaseType;
+
+//! Type of individual layers in an XCF file.
+
+typedef enum
+{
+  RGB_GIMAGE,
+  RGBA_GIMAGE,
+  GRAY_GIMAGE,
+  GRAYA_GIMAGE,
+  INDEXED_GIMAGE,
+  INDEXEDA_GIMAGE
+} GimpImageType;
+
+//! Effect to apply when layers are merged together.
+
+typedef enum 
+{
+  NORMAL_MODE,
+  DISSOLVE_MODE,
+  BEHIND_MODE,
+  MULTIPLY_MODE,
+  SCREEN_MODE,
+  OVERLAY_MODE,
+  DIFFERENCE_MODE,
+  ADDITION_MODE,
+  SUBTRACT_MODE,
+  DARKEN_ONLY_MODE,
+  LIGHTEN_ONLY_MODE,
+  HUE_MODE,
+  SATURATION_MODE,
+  COLOR_MODE,
+  VALUE_MODE,
+  DIVIDE_MODE,
+  ERASE_MODE,
+  REPLACE_MODE,
+  ANTI_ERASE_MODE
+} LayerModeEffects;
+
+// From GIMP "xcf.c" v1.2
+
+//! Properties which can be stored in an XCF file.
+
+typedef enum
+{
+  PROP_END = 0,
+  PROP_COLORMAP = 1,
+  PROP_ACTIVE_LAYER = 2,
+  PROP_ACTIVE_CHANNEL = 3,
+  PROP_SELECTION = 4,
+  PROP_FLOATING_SELECTION = 5,
+  PROP_OPACITY = 6,
+  PROP_MODE = 7,
+  PROP_VISIBLE = 8,
+  PROP_LINKED = 9,
+  PROP_PRESERVE_TRANSPARENCY = 10,
+  PROP_APPLY_MASK = 11,
+  PROP_EDIT_MASK = 12,
+  PROP_SHOW_MASK = 13,
+  PROP_SHOW_MASKED = 14,
+  PROP_OFFSETS = 15,
+  PROP_COLOR = 16,
+  PROP_COMPRESSION = 17,
+  PROP_GUIDES = 18,
+  PROP_RESOLUTION = 19,
+  PROP_TATTOO = 20,
+  PROP_PARASITES = 21,
+  PROP_UNIT = 22,
+  PROP_PATHS = 23,
+  PROP_USER_UNIT = 24
+} PropType;
+
+// From GIMP "xcf.c" v1.2
+
+//! Compression type used in layer tiles.
+
+typedef enum
+{
+  COMPRESS_NONE = 0,
+  COMPRESS_RLE = 1,
+  COMPRESS_ZLIB = 2,
+  COMPRESS_FRACTAL = 3  /* Unused. */
+} CompressionType;
+
+