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engines/saga2/vdraw.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/>.
+ *
+ *
+ * Based on the original sources
+ *   Faery Tale II -- The Halls of the Dead
+ *   (c) 1993-1996 The Wyrmkeep Entertainment Co.
+ */
+
+#ifndef SAGA2_VDRAW_H
+#define SAGA2_VDRAW_H
+
+#include "saga2/gdraw.h"
+#include "saga2/vpage.h"
+
+namespace Saga2 {
+class gDisplayPort : public gPort {
+public:
+	virtual ~gDisplayPort() {}
+
+	vDisplayPage _protoPage;
+
+	//  Lowest-level drawing functions, (virtually) retargeted to
+	//  call SVGA drawing routines
+
+	void fillRect(const Rect16 r);
+
+	void clear() {
+		_protoPage.fillRect(_clip, _fgPen);
+	}
+
+	//  Blitting functions
+	//  NOTE: svga port cannot be used a source!!!
+	void bltPixels(const gPixelMap &src,
+	               int src_x, int src_y,
+	               int dst_x, int dst_y,
+	               int width, int height);
+
+	//  Bresenham line-drawing functions
+	void line(int16 x1, int16 y1, int16 x2, int16 y2);
+
+	void scrollPixels(const Rect16 r, int dx, int dy);
+};
+
+extern vDisplayPage *drawPage;
+
+} // end of namespace Saga2
+
+#endif