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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
/* 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 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.
*
*/
#ifndef MADS_MSURFACE_H
#define MADS_MSURFACE_H
#include "common/scummsys.h"
#include "common/rect.h"
#include "graphics/surface.h"
#include "mads/palette.h"
namespace MADS {
class MADSEngine;
class MSprite;
class DepthSurface;
/**
* Basic sprite information
*/
struct SpriteInfo {
MSprite *sprite;
int hotX, hotY;
int width, height;
int scaleX, scaleY;
uint8 encoding;
byte *inverseColorTable;
byte *palette;
};
/*
* MADS graphics surface
*/
class MSurface : public Graphics::Surface {
protected:
static MADSEngine *_vm;
bool _freeFlag;
public:
/**
* Sets the engine refrence used all surfaces
*/
static void setVm(MADSEngine *vm) { _vm = vm; }
/**
* Helper method for calculating new dimensions when scaling a sprite
*/
static int scaleValue(int value, int scale, int err);
public:
/**
* Basic constructor
*/
MSurface();
/**
* Constructor for a surface with fixed dimensions
*/
MSurface(int width, int height);
/**
* Destructor
*/
virtual ~MSurface();
/**
* Reinitializes a surface to have a given set of dimensions
*/
void setSize(int width, int height);
/**
* Sets the pixels the surface is associated with
* @remarks The surface will not free the data block
*/
void setPixels(byte *pData, int horizSize, int vertSize);
/**
* Draws an arbitrary line on the screen using a specified color
* @param startPos Starting position
* @param endPos Ending position
* @param color Color to use
*/
void line(const Common::Point &startPos, const Common::Point &endPos, byte color);
/**
* Draws a sprite
* @param pt Position to draw sprite at
* @param info General sprite details
* @param clipRect Clipping rectangle to constrain sprite drawing within
*/
void drawSprite(const Common::Point &pt, SpriteInfo &info, const Common::Rect &clipRect);
/**
* Returns the width of the surface
*/
int getWidth() const { return w; }
/**
* Returns the height of the surface
*/
int getHeight() const { return h; }
/**
* Returns the size of the surface as a Rect
*/
Common::Rect getBounds() const {
return Common::Rect(0, 0, w, h);
}
/**
* Returns a pointer to the surface data
*/
byte *getData() { return (byte *)Graphics::Surface::getPixels(); }
/**
* Returns a pointer to a given position within the surface
*/
byte *getBasePtr(int x, int y) { return (byte *)Graphics::Surface::getBasePtr(x, y); }
/**
* Returns a pointer to a given position within the surface
*/
const byte *getBasePtr(int x, int y) const { return (const byte *)Graphics::Surface::getBasePtr(x, y); }
/**
* Clears the surface
*/
void empty();
/**
* Copys a sub-section of another surface into the current one.
* @param src Source surface
* @param srcBounds Area of source surface to copy
* @param destPos Destination position to draw in current surface
* @param transparentColor Transparency palette index
*/
void copyFrom(MSurface *src, const Common::Rect &srcBounds, const Common::Point &destPos,
int transparentColor = -1);
/**
* Copys a sub-section of another surface into the current one.
* @param src Source surface
* @param destPos Destination position to draw in current surface
* @param depth Depth of sprite
* @param depthSurface Depth surface to use with sprite depth
* @param scale Scale for image
* @param flipped Flag for whether image is to be flipped
* @param transparentColor Transparency palette index
*/
void copyFrom(MSurface *src, const Common::Point &destPos, int depth, DepthSurface *depthSurface,
int scale, bool flipped, int transparentColor = -1);
/**
* Copies the surface to a given destination surface
*/
void copyTo(MSurface *dest, int transparentColor = -1) {
dest->copyFrom(this, Common::Rect(w, h), Common::Point(), transparentColor);
}
/**
* Copies the surface to a given destination surface
*/
void copyTo(MSurface *dest, const Common::Point &pt, int transparentColor = -1) {
dest->copyFrom(this, Common::Rect(w, h), pt, transparentColor);
}
/**
* Copies the surface to a given destination surface
*/
void copyTo(MSurface *dest, const Common::Rect &srcBounds, const Common::Point &destPos,
int transparentColor = -1) {
dest->copyFrom(this, srcBounds, destPos, transparentColor);
}
/**
* Scroll the screen horizontally by a given amount
* @param xAmount Horizontal amount
*/
void scrollX(int xAmount);
/**
* Scroll the screen vertically by a given amount
* @param yAmount Vertical amount
*/
void scrollY(int yAmount);
/**
* Translates the pixels of an image used the passed palette with RGB mapping
*/
void translate(Common::Array<RGB6> &palette);
/**
* Translates the pixels of an image used the passed palette with RGB mapping
*/
void translate(byte map[PALETTE_COUNT]);
/**
* Create a new surface which is a flipped horizontal copy of the current one
*/
MSurface *flipHorizontal() const;
};
class DepthSurface : public MSurface {
private:
MADSEngine *_vm;
public:
/**
* Depth style
*/
int _depthStyle;
/**
* Constructor
*/
DepthSurface(MADSEngine *vm) : _vm(vm), _depthStyle(0) {}
/**
* Returns the depth at a given position
*/
int getDepth(const Common::Point &pt);
/**
*/
int getDepthHighBit(const Common::Point &pt);
};
} // End of namespace MADS
#endif /* MADS_MSURFACE_H */
|
