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engines/mortevielle/graphics.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/>.
+ *
+ */
+
+/*
+ * This code is based on original Mortville Manor DOS source code
+ * Copyright (c) 1987-1989 Lankhor
+ */
+
+#ifndef MORTEVIELLE_GRAPHICS_H
+#define MORTEVIELLE_GRAPHICS_H
+
+#include "common/file.h"
+#include "common/list.h"
+#include "common/rect.h"
+#include "graphics/surface.h"
+
+namespace Mortevielle {
+class MortevielleEngine;
+
+class PaletteManager {
+private:
+	void setPalette(const int *palette, uint idx, uint size);
+
+public:
+	void setDefaultPalette();
+};
+
+#define FONT_WIDTH 8
+#define FONT_HEIGHT 6
+#define FONT_NUM_CHARS 121
+
+class GfxSurface : public Graphics::Surface {
+private:
+	int _xp, _yp;
+	int _xSize, _ySize;
+	int _lookupIndex, _lookupValue;
+	bool _nibbleFlag;
+	int _thickness;
+	int _yInc, _yEnd, _xInc, _xEnd;
+
+	byte nextNibble(const byte *&pSrc);
+	byte nextByte(const byte *&pSrc, const byte *&pLookup);
+
+	void majTtxTty();
+	int desanalyse(const byte *&pSrc);
+	void horizontal(const byte *&pSrc, byte *&pDest, const byte *&pLookup);
+	void vertical(const byte *&pSrc, byte *&pDest, const byte *&pLookup);
+	void decom11(const byte *&pSrc, byte *&pDest, const byte *&pLookup);
+	void diag(const byte *&pSrc, byte *&pDest, const byte *&pLookup);
+	void nextDecompPtr(byte *&pDest);
+	void negXInc();
+	void negYInc();
+	bool TFP(int v);
+	void TF1(byte *&pDest, int &v);
+	void TF2(const byte *&pSrc, byte *&pDest, const byte *&pLookup, int &v);
+public:
+	// Specifies offset when drawing the image
+	Common::Point _offset;
+	// Transparency palette index
+	int _transparency;
+
+	~GfxSurface();
+
+	void decode(const byte *pSrc);
+};
+
+class ScreenSurface: public Graphics::Surface {
+private:
+	MortevielleEngine *_vm;
+
+	Common::List<Common::Rect> _dirtyRects;
+	byte _fontData[FONT_NUM_CHARS * FONT_HEIGHT];
+
+public:
+	ScreenSurface(MortevielleEngine *vm);
+
+	Common::Point _textPos;		// Original called xwhere/ywhere
+	void readFontData(Common::File &f, int dataSize);
+	Graphics::Surface lockArea(const Common::Rect &bounds);
+	void updateScreen();
+	void drawPicture(GfxSurface &surface, int x, int y);
+	void copyFrom(Graphics::Surface &src, int x, int y);
+	void writeCharacter(const Common::Point &pt, unsigned char ch, int palIndex);
+	void drawBox(int x, int y, int dx, int dy, int col);
+	void fillRect(int color, const Common::Rect &bounds);
+	void clearScreen();
+	void putxy(int x, int y) { _textPos = Common::Point(x, y); }
+	void drawString(const Common::String &l, int command);
+	int  getStringWidth(const Common::String &s);
+	void drawLine(int x, int y, int xx, int yy, int coul);
+	void drawRectangle(int x, int y, int dx, int dy);
+
+	// TODO: Refactor code to remove this method, for increased performance
+	void setPixel(const Common::Point &pt, int palIndex);
+};
+
+} // End of namespace Mortevielle
+
+#endif