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engines/kyra/graphics/screen_v2.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 KYRA_SCREEN_V2_H
+#define KYRA_SCREEN_V2_H
+
+#include "kyra/graphics/screen.h"
+#include "kyra/engine/kyra_v2.h"
+
+namespace Kyra {
+
+class Screen_v2 : public Screen {
+public:
+	Screen_v2(KyraEngine_v1 *vm, OSystem *system, const ScreenDim *dimTable, const int dimTableSize);
+	~Screen_v2() override;
+
+	// screen page handling
+	void checkedPageUpdate(int srcPage, int dstPage);
+
+	// palette handling
+	uint8 *generateOverlay(const Palette &pal, uint8 *buffer, int color, uint weight, int maxColor = -1);
+	void applyOverlay(int x, int y, int w, int h, int pageNum, const uint8 *overlay);
+	int findLeastDifferentColor(const uint8 *paletteEntry, const Palette &pal, uint8 firstColor, uint16 numColors, bool skipSpecialColors = false);
+
+	void getFadeParams(const Palette &pal, int delay, int &delayInc, int &diff) override;
+
+	bool timedPaletteFadeStep(uint8 *pal1, uint8 *pal2, uint32 elapsedTime, uint32 totalTime);
+
+	// shape handling
+	uint8 *getPtrToShape(uint8 *shpFile, int shape);
+	const uint8 *getPtrToShape(const uint8 *shpFile, int shape);
+
+	int getShapeScaledWidth(const uint8 *shpFile, int scale);
+	int getShapeScaledHeight(const uint8 *shpFile, int scale);
+
+	uint16 getShapeSize(const uint8 *shp);
+
+	uint8 *makeShapeCopy(const uint8 *src, int index);
+
+	// rect handling
+	int getRectSize(int w, int h) override;
+	bool calcBounds(int w0, int h0, int &x1, int &y1, int &w1, int &h1, int &x2, int &y2, int &w2);
+
+	// text display
+	void setTextColorMap(const uint8 *cmap) override;
+
+	// layer handling
+	virtual int getLayer(int x, int y);
+
+	// special WSA handling
+	void wsaFrameAnimationStep(int x1, int y1, int x2, int y2, int w1, int h1, int w2, int h2, int srcPage, int dstPage, int dim);
+
+	// used in non-interactive HoF/LoL demos
+	void copyPageMemory(int srcPage, int srcPos, int dstPage, int dstPos, int numBytes);
+	void copyRegionEx(int srcPage, int srcW, int srcH, int dstPage, int dstX,int dstY, int dstW, int dstH, const ScreenDim *d, bool flag = false);
+protected:
+	uint8 *_wsaFrameAnimBuffer;
+};
+
+} // End of namespace Kyra
+
+#endif