1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2005 The ScummVM project
*
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Header$
*
*/
// Graphics maniuplation routines - private header file
#ifndef SAGA_GFX_H_
#define SAGA_GFX_H_
#include "graphics/surface.h"
namespace Saga {
using Common::Point;
using Common::Rect;
enum CursorType {
kCursorNormal,
kCursorBusy
};
struct ClipData {
// input members
Rect sourceRect;
Rect destRect;
Point destPoint;
// output members
Point drawSource;
Point drawDest;
int drawWidth;
int drawHeight;
bool calcClip() {
Common::Rect s;
// Adjust the rect to draw to its screen coordinates
s = sourceRect;
s.left += destPoint.x;
s.right += destPoint.x;
s.top += destPoint.y;
s.bottom += destPoint.y;
s.clip(destRect);
if ((s.width() <= 0) || (s.height() <= 0)) {
return false;
}
drawSource.x = s.left - sourceRect.left - destPoint.x;
drawSource.y = s.top - sourceRect.top - destPoint.y;
drawDest.x = s.left;
drawDest.y = s.top;
drawWidth = s.width();
drawHeight = s.height();
return true;
}
};
#pragma START_PACK_STRUCTS
struct PalEntry {
byte red;
byte green;
byte blue;
} GCC_PACK;
#pragma END_PACK_STRUCTS
struct Color {
int red;
int green;
int blue;
int alpha;
};
struct Surface : Graphics::Surface {
void transitionDissolve(const byte *sourceBuffer, const Common::Rect &sourceRect, int flags, double percent);
void drawPalette();
void drawPolyLine(const Point *points, int count, int color);
void blit(const Common::Rect &destRect, const byte *sourceBuffer);
void getRect(Common::Rect &rect) {
rect.left = rect.top = 0;
rect.right = w;
rect.bottom = h;
}
void drawFrame(const Common::Point &p1, const Common::Point &p2, int color) {
Common::Rect rect(MIN(p1.x, p2.x), MIN(p1.y, p2.y), MAX(p1.x, p2.x) + 1, MAX(p1.y, p2.y) + 1);
frameRect(rect, color);
}
void drawRect(const Common::Rect &destRect, int color) {
Common::Rect rect(w , h);
rect.clip(destRect);
if (rect.isValidRect()) {
fillRect(rect, color);
}
}
};
#define PAL_ENTRIES 256
#define CURSOR_W 7
#define CURSOR_H 7
#define CURSOR_ORIGIN_X 4
#define CURSOR_ORIGIN_Y 4
bool hitTestPoly(const Point *points, unsigned int npoints, const Point& test_point);
class SagaEngine;
class Gfx {
public:
Gfx(SagaEngine *vm, OSystem *system, int width, int height, GameDetector &detector);
~Gfx();
Surface *getBackBuffer() {
return &_backBuffer;
}
void initPalette();
void setPalette(const PalEntry *pal, bool full = false);
void setPaletteColor(int n, int r, int g, int b);
void getCurrentPal(PalEntry *src_pal);
void palToBlack(PalEntry *src_pal, double percent);
void blackToPal(PalEntry *src_pal, double percent);
void updateCursor() { setCursor(); }
void showCursor(bool state);
private:
void setCursor(CursorType cursorType = kCursorNormal);
int _init;
Surface _backBuffer;
byte _currentPal[PAL_ENTRIES * 4];
OSystem *_system;
SagaEngine *_vm;
PalEntry _globalPalette[PAL_ENTRIES];
};
} // End of namespace Saga
#endif
|
