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 
23 #ifndef CRUISE_GFXMODULE_H
24 #define CRUISE_GFXMODULE_H
25 
26 namespace Cruise {
27 
28 struct gfxModuleDataStruct {
29 	int useTandy;
30 	int useEGA;
31 	int useVGA;
32 
33 	uint8 *pPage00;
34 	uint8 *pPage10;
35 };
36 
37 struct palEntry {
38 	uint8 R;
39 	uint8 G;
40 	uint8 B;
41 	uint8 A;
42 };
43 
44 extern gfxModuleDataStruct gfxModuleData;
45 
46 void gfxModuleData_gfxClearFrameBuffer(uint8 *ptr);
47 void gfxModuleData_setDirtyColors(int min, int max);
48 void gfxModuleData_setPalColor(int idx, int r, int g, int b);
49 void gfxModuleData_field_90();
50 void gfxModuleData_gfxWaitVSync();
51 void gfxModuleData_flip();
52 void gfxModuleData_updatePalette();
53 void gfxModuleData_updateScreen();
54 
55 void gfxCopyRect(const uint8 *sourceBuffer, int width, int height, byte *dest, int x, int y, int color);
56 void gfxModuleData_gfxCopyScreen(const uint8 *sourcePtr, uint8 *destPtr);
57 void convertGfxFromMode4(const uint8 *sourcePtr, int width, int height, uint8 *destPtr);
58 void convertGfxFromMode5(const uint8 *sourcePtr, int width, int height, uint8 *destPtr);
59 void gfxModuleData_Init();
60 void gfxModuleData_flipScreen();
61 //void gfxModuleData_setPal(uint8 * ptr);
62 void gfxModuleData_convertOldPalColor(uint16 oldColor, uint8 *pOutput);
63 void gfxModuleData_setPalEntries(const byte *ptr, int start, int num);
64 void gfxModuleData_setPal256(const byte *ptr);
65 void gfxModuleData_addDirtyRect(const Common::Rect &r);
66 void flip();
67 void drawSolidBox(int32 x1, int32 y1, int32 x2, int32 y2, uint8 color);
68 void resetBitmap(uint8 *dataPtr, int32 dataSize);
69 
70 void switchBackground(const byte *newBg);
71 
72 } // End of namespace Cruise
73 
74 #endif
75