PSP: refactoring/redesign of the backend

svn-id: r48632

1 files changed, 81 insertions, 0 deletions

diff --git a/backends/platform/psp/cursor.h b/backends/platform/psp/cursor.h
new file mode 100644
index 0000000000..49f58cd3f9
--- /dev/null
+++ b/backends/platform/psp/cursor.h
@@ -0,0 +1,81 @@
+/* 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.
+ *
+ * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/trunk/backends/platform/psp/osys_psp.h $
+ * $Id: osys_psp.h 46120 2009-11-24 10:33:30Z Bluddy $
+ *
+ */
+ 
+#ifndef MOUSE_H
+#define MOUSE_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.
+	
+	void updateRendererOffset();
+
+public:
+	Cursor() : _hotspotX(0), _hotspotY(0), _keyColor(0), _cursorTargetScale(0), 
+		_useCursorPalette(false), _hasCursorPalette(false), _mouseLimitWidth(0),
+		_mouseLimitHeight(0), _x(0), _y(0) { }
+	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);
+	void setLimits(uint32 width, uint32 height); 
+	void setXY(int x, int y);
+	int32 getX() { return _x; }
+	int32 getY() { 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 */