Initial commit

engines/titanic/support/direct_draw_surface.h

@@ -0,0 +1,127 @@
+/* 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_SURFACE_H
+#define TITANIC_DIRECT_DRAW_SURFACE_H
+
+#include "common/scummsys.h"
+#include "common/array.h"
+#include "graphics/managed_surface.h"
+#include "titanic/support/rect.h"
+
+namespace Titanic {
+
+class TitanicEngine;
+
+struct DDSurfaceDesc {
+	int _w;
+	int _h;
+	int _bpp;
+	int _flags;
+	int _caps;
+
+	DDSurfaceDesc(int w, int h, int bpp) : _w(w), _h(h), _bpp(bpp),
+		_flags(0x1006), _caps(64) {}
+};
+
+class DirectDrawSurface {
+private:
+	Graphics::ManagedSurface *_surface;
+	DisposeAfterUse::Flag _disposeAfterUse;
+public:
+	DirectDrawSurface();
+	~DirectDrawSurface();
+
+	/**
+	 * Create a surface
+	 */
+	void create(int w, int h, int bpp);
+
+	/**
+	 * Create a surface based on a passed surface
+	 */
+	void create(Graphics::ManagedSurface *surface);
+
+	/**
+	 * Frees the surface
+	 */
+	void free();
+
+	/**
+	 * Return the size of the surface in ytes
+	 */
+	int getSize() const { return _surface->pitch * _surface->h; }
+
+	/**
+	 * Return the surface width
+	 */
+	int getWidth() const { return _surface->w; }
+
+	/**
+	 * Return the surface width
+	 */
+	int getHeight() const { return _surface->h; }
+
+	/**
+	 * Return the surface pitch
+	 */
+	int getPitch() const { return _surface->pitch; }
+
+	/**
+	 * Return the surface's format
+	 */
+	const Graphics::PixelFormat &getFormat() { return _surface->format; }
+
+	/**
+	 * Lock the surface for access
+	 */
+	Graphics::ManagedSurface *lock(const Rect *bounds, int flags);
+
+	/**
+	 * Unlocks the surface at the end of direct accesses
+	 */
+	void unlock();
+
+	/**
+	 * Fills an area of the surfae with the specified color. If no bounds are passed,
+	 * then the entire surface is filled
+	 */
+	void fill(const Rect *bounds, uint32 color);
+
+	/**
+	 * Fill an area with a specific color
+	 */
+	void fillRect(Rect *rect, byte r, byte g, byte b);
+
+	/**
+	 * Copy data from a source surfcae into this one
+	 */
+	void blit(const Rect &destRect, DirectDrawSurface *srcSurface, Rect &srcRect);
+
+	/**
+	 * Copy data from a source surfcae into this one
+	 */
+	void blit(const Point &destPos, DirectDrawSurface *srcSurface, Rect *bounds);
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_DIRECT_DRAW_SURFACE_H */