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engines/lure/palette.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef LURE_PALETTE_H
+#define LURE_PALETTE_H
+
+#include "lure/luredefs.h"
+#include "lure/disk.h"
+#include "lure/memory.h"
+
+namespace Lure {
+
+enum PaletteSource {DEFAULT, RGB, RGB64, EGA};
+
+class Palette {
+private:
+	MemoryBlock *_palette;
+	uint16 _numEntries;
+
+	void convertRgb64Palette(const byte *srcPalette, uint16 srcNumEntries);
+	void convertEGAPalette(const byte *srcPalette);
+public:
+	Palette();
+	Palette(uint16 srcNumEntries, const byte *srcData, PaletteSource paletteSource);
+	Palette(Palette &src);
+	Palette(uint16 resourceId, PaletteSource paletteSource = DEFAULT);
+	~Palette();
+
+	uint8 *data() { return _palette->data(); }
+	MemoryBlock *palette() { return _palette; }
+	uint16 numEntries() { return _palette->size() / 4; }
+	void setEntry(uint8 index, uint32 value);
+	uint32 getEntry(uint8 index);
+	void copyFrom(Palette *src);
+};
+
+class PaletteCollection {
+private:
+	Palette **_palettes;
+	uint8 _numPalettes;
+public:
+	PaletteCollection(uint16 resourceId);
+	~PaletteCollection();
+
+	uint8 numPalettes() { return _numPalettes; }
+	Palette &getPalette(uint8 paletteNum);
+};
+
+} // end of namspace Lure
+
+#endif