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engines/titanic/support/direct_draw.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 TITANIC_DIRECT_DRAW_H
+#define TITANIC_DIRECT_DRAW_H
+
+#include "common/scummsys.h"
+#include "common/array.h"
+#include "titanic/support/direct_draw_surface.h"
+
+namespace Titanic {
+
+class TitanicEngine;
+
+class DirectDraw {
+public:
+	bool _windowed;
+	int _width;
+	int _height;
+	int _bpp;
+	int _numBackSurfaces;
+public:
+	DirectDraw();
+
+	/**
+	 * Sets a new display mode
+	 */
+	void setDisplayMode(int width, int height, int bpp, int refreshRate);
+
+	/**
+	 * Logs diagnostic information
+	 */
+	void diagnostics();
+
+	/**
+	 * Create a surface from a passed description record
+	 */
+	DirectDrawSurface *createSurfaceFromDesc(const DDSurfaceDesc &desc);
+};
+
+class DirectDrawManager {
+public:
+	DirectDraw _directDraw;
+	DirectDrawSurface *_mainSurface;
+	DirectDrawSurface *_backSurfaces[2];
+public:
+	DirectDrawManager(TitanicEngine *vm, bool windowed);
+
+	/**
+	 * Initializes video surfaces
+	 * @param width				Screen width
+	 * @param height			Screen height
+	 * @param bpp				Bits per pixel
+	 * @param numBackSurfaces	Number of back surfaces
+	 */
+	void initVideo(int width, int height, int bpp, int numBackSurfaces);
+
+	/**
+	 * Initializes the surfaces in windowed mode
+	 */
+	void initWindowed() { initFullScreen(); }
+
+	/**
+	 * Initializes the surfaces for the screen
+	 */
+	void initFullScreen();
+
+	/**
+	 * Create a surface
+	 */
+	DirectDrawSurface *createSurface(int w, int h, int bpp, int surfaceNum);
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_DIRECT_DRAW_H */