1 files changed, 111 insertions, 0 deletions
diff --git a/engines/kyra/graphics/screen_lok.h b/engines/kyra/graphics/screen_lok.h
new file mode 100644
index 0000000000..3a4ebfd6a4
--- /dev/null
+++ b/engines/kyra/graphics/screen_lok.h
@@ -0,0 +1,111 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef KYRA_SCREEN_LOK_H
+#define KYRA_SCREEN_LOK_H
+
+#include "kyra/graphics/screen.h"
+
+namespace Kyra {
+
+class KyraEngine_LoK;
+
+class Screen_LoK : public Screen {
+public:
+	Screen_LoK(KyraEngine_LoK *vm, OSystem *system);
+	virtual ~Screen_LoK();
+
+	bool init();
+
+	int getRectSize(int w, int h);
+
+	void setTextColorMap(const uint8 *cmap);
+
+	void fadeSpecialPalette(int palIndex, int startIndex, int size, int fadeTime);
+
+	void savePageToDisk(const char *file, int page);
+	void loadPageFromDisk(const char *file, int page);
+	void queryPageFromDisk(const char *file, int page, uint8 *buffer);
+	void deletePageFromDisk(int page);
+
+	void copyBackgroundBlock(int x, int page, int flag);
+	void copyBackgroundBlock2(int x);
+
+	void addBitBlitRect(int x, int y, int w, int h);
+	void bitBlitRects();
+
+	// AMIGA specific
+	virtual void postProcessCursor(uint8 *data, int width, int height, int pitch);
+
+protected:
+	enum {
+		kNumBitBlitRects = 10
+	};
+
+	KyraEngine_LoK *_vm;
+
+	static const ScreenDim _screenDimTable[];
+	static const int _screenDimTableCount;
+
+	Common::Rect _bitBlitRects[kNumBitBlitRects];
+	int _bitBlitNum;
+	uint8 *_unkPtr1, *_unkPtr2;
+
+	uint8 *_saveLoadPage[8];
+	uint8 *_saveLoadPageOvl[8];
+};
+
+class Screen_LoK_16 : public Screen_LoK {
+public:
+	Screen_LoK_16(KyraEngine_LoK *vm, OSystem *system);
+
+	void setScreenPalette(const Palette &pal);
+
+	void fadePalette(const Palette &pal, int delay, const UpdateFunctor *upFunc = 0);
+	void getFadeParams(const Palette &pal, int delay, int &delayInc, int &diff);
+	int fadePalStep(const Palette &pal, int diff);
+private:
+	void updateDirtyRectsOvl();
+
+	void convertTo16Colors(uint8 *page, int w, int h, int pitch, int keyColor = -1);
+	void postProcessCursor(uint8 *data, int width, int height, int pitch) {
+		convertTo16Colors(data, width, height, pitch, _cursorColorKey);
+	}
+	void mergeOverlay(int x, int y, int w, int h);
+
+	void set16ColorPalette(const uint8 *pal);
+
+	void paletteMap(uint8 idx, int r, int g, int b);
+
+	struct PaletteDither {
+		uint8 bestMatch;
+		uint8 invertMatch;
+	};
+
+	PaletteDither _paletteDither[256];
+
+	static const uint8 _palette16[48];
+};
+
+} // End of namespace Kyra
+
+#endif