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engines/draci/screen.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 DRACI_SCREEN_H
+#define DRACI_SCREEN_H
+
+#include "common/scummsys.h"
+
+namespace Draci {
+
+enum ScreenParameters {
+	kScreenWidth = 320,
+	kScreenHeight = 200,
+	kNumColors = 256,
+	kDefaultTransparent = 255
+};
+
+class DraciEngine;
+class Surface;
+
+class Screen {
+
+public:
+	Screen(DraciEngine *vm);
+	~Screen();
+
+	void setPalette(const byte *data, uint16 start, uint16 num);
+	void interpolatePalettes(const byte *first, const byte *second, uint16 start, uint16 num, int index, int number);
+	const byte *getPalette() const { return _palette; }
+	void copyToScreen();
+	void clearScreen();
+	Surface *getSurface() { return _surface; }
+
+private:
+	int interpolate(int first, int second, int index, int number);
+
+	Surface *_surface;
+	byte *_palette;
+	byte *_blackPalette;
+	DraciEngine *_vm;
+};
+
+} // End of namespace Draci
+
+#endif // DRACI_SCREEN_H