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engines/chewy/mcga_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/>.
+ *
+ */
+
+#ifndef CHEWY_MCGA_GRAPHICS_H
+#define CHEWY_MCGA_GRAPHICS_H
+
+#include "graphics/screen.h"
+
+namespace Chewy {
+
+class McgaGraphics {
+public:
+	McgaGraphics();
+	~McgaGraphics();
+
+	void init();
+
+	void setPointer(byte *ptr);
+
+	void setPalette(byte *palette);
+	void raster_col(int16 c, int16 r, int16 g, int16 b);
+	void fadeIn(byte *palette);
+	void fadeOut();
+	void set_partialpalette(const byte *palette, int16 startCol, int16 nr);
+
+	void cls();
+	void drawLine(int16 x1, int16 y1, int16 x2, int16 y2, int16 color);
+	void box(int16 x1, int16 y1, int16 x2, int16 y2, int16 color);
+	void boxFill(int16 x1, int16 y1, int16 x2, int16 y2, int16 color);
+	void pop_box(int16 x, int16 y, int16 x1, int16 y1,
+	             int16 col1, int16 col2, int16 back_col);
+
+	void copyToScreen();
+
+	void spriteSave(byte *spritePtr, int16 x, int16 y, int16 width,
+	                int16 height);
+	void spriteSet(byte *sptr, int16 x, int16 y, int16 scrWidth, uint16 spriteWidth = 0, uint16 spriteHeight = 0);
+	void scale_set(byte *sptr, int16 x, int16 y, int16 xdiff,
+	               int16 ydiff, int16 scrwidth);
+	void map_spr2screen(byte *sptr, int16 x, int16 y);
+
+	void plot_scan_cur(int16 x, int16 y, int16 fcol, int16 bcol, int16 scrwidth,
+	                   char cursor);
+	int16 scanxy(int16 x, int16 y, int16 fcol, int16 bcol, int16 cur_col, int16 scrwidth, const char *string, ...);
+	void printxy(int16 x, int16 y, int16 fgCol, int16 bgCol, int16 scrwidth,
+	    const char *format);
+	void move(int16 x, int16 y);
+	int16 findHotspot(const Common::Rect *hotspots);
+
+private:
+	int16 devices();
+	void putz(unsigned char c, int16 fgCol, int16 bgCol, int16 scrWidth);
+
+	// Zoom related
+	void setXVals();
+	void setYVals(int spriteHeight);
+	void clip(byte *&source, byte *&dest, int16 &x, int16 &y);
+	void zoom_set(byte *source, int16 x, int16 y, int16 xDiff, int16 yDiff, int16 scrWidth);
+
+	byte _palTable[Graphics::PALETTE_SIZE];
+	uint8 _einfuegen = 0;
+
+	int _zoomSpriteDeltaX2;
+	int _zoomSpriteDeltaY2;
+	int _zoomSpriteXVal1, _zoomSpriteXVal2;
+	int _zoomSpriteYVal1, _zoomSpriteYVal2;
+};
+
+} // namespace Chewy
+
+#endif