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backends/platform/psp/cursor.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 MOUSE_H
+#define MOUSE_H
+
+#include "backends/platform/psp/default_display_client.h"
+
+class Cursor : public DefaultDisplayClient {
+private:
+	int	_hotspotX, _hotspotY;
+	uint32 _keyColor;
+	int _cursorTargetScale;
+	bool _useCursorPalette;
+	bool _hasCursorPalette;
+	uint32	_mouseLimitWidth;
+	uint32	_mouseLimitHeight;
+	int32	_x, _y;
+	Palette _screenPalette;			// separate palette for screen. default 'palette' is cursor palette.
+	bool _fakeAlpha;			// true if treating e.g. 555 as 5551, false if there's a genuine alpha channel
+
+	void updateRendererOffset();
+
+public:
+	Cursor() : _hotspotX(0), _hotspotY(0), _keyColor(0), _cursorTargetScale(0),
+			_useCursorPalette(false), _hasCursorPalette(false), _mouseLimitWidth(0),
+			_mouseLimitHeight(0), _x(0), _y(0), _fakeAlpha(false) { }
+	virtual ~Cursor() { deallocate(); }
+
+	void setKeyColor(uint32 color);
+	void setCursorTargetScale(int scale) { _cursorTargetScale = scale; }
+	void setScreenPalette(const byte *colors, uint start, uint num);
+	void copyFromArray(const byte *array);
+	Palette &palette() { return _palette; }
+	Buffer &buffer() { return _buffer; }
+	void setCursorPalette(const byte *colors, uint start, uint num);
+	void enableCursorPalette(bool enable);
+	bool isCursorPaletteEnabled() const { return _useCursorPalette; }
+	void setLimits(uint32 width, uint32 height);
+	void setXY(int x, int y);
+	int32 getX() const { return _x; }
+	int32 getY() const { return _y; }
+	bool increaseXY(int32 incX, int32 incY); // returns true if there's a change in x or y
+	void adjustXYForScreenSize(int32 &x, int32 &y);
+	void init();
+	void setHotspot(int32 x, int32 y);
+	void setScreenPaletteScummvmPixelFormat(const Graphics::PixelFormat *format);
+	void setSizeAndScummvmPixelFormat(uint32 widht, uint32 height, const Graphics::PixelFormat *format);
+	void clearKeyColor();
+	void useGlobalScaler(bool val) { _renderer.setUseGlobalScaler(val); }
+	bool allocate();
+	void deallocate();
+
+private:
+	void setSize(uint32 width, uint32 height);
+	void getPixelFormatsFromScummvmPixelFormat(const Graphics::PixelFormat *format,
+	        PSPPixelFormat::Type &bufferFormat,
+	        PSPPixelFormat::Type &paletteFormat,
+	        uint32 &numOfEntries);
+	void setRendererModePalettized(bool palettized);
+};
+
+#endif /* MOUSE_H */