1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  *
22  * Based on the original sources
23  *   Faery Tale II -- The Halls of the Dead
24  *   (c) 1993-1996 The Wyrmkeep Entertainment Co.
25  */
26 
27 #ifndef SAGA2_VDRAW_H
28 #define SAGA2_VDRAW_H
29 
30 #include "saga2/gdraw.h"
31 #include "saga2/vpage.h"
32 
33 namespace Saga2 {
34 class gDisplayPort : public gPort {
35 public:
~gDisplayPort()36 	virtual ~gDisplayPort() {}
37 
38 	vDisplayPage protoPage;
39 
40 	//  Lowest-level drawing functions, (virtually) retargeted to
41 	//  call SVGA drawing routines
42 
43 	void fillRect(const Rect16 r);
44 
clear(void)45 	void clear(void) {
46 		protoPage.fillRect(clip, fgPen);
47 	}
48 
49 	//  Blitting functions
50 	//  NOTE: svga port cannot be used a source!!!
51 	void bltPixels(const gPixelMap &src,
52 	               int src_x, int src_y,
53 	               int dst_x, int dst_y,
54 	               int width, int height);
55 
56 	//  Bresenham line-drawing functions
57 	void line(int16 x1, int16 y1, int16 x2, int16 y2);
58 
59 	void scrollPixels(const Rect16 r, int dx, int dy);
60 };
61 
62 extern vDisplayPage *drawPage;
63 
64 } // end of namespace Saga2
65 
66 #endif
67