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
247
248
249
250
251
|
/*
* The Mana Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
*
* This file is part of The Mana Client.
*
* 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
* 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/>.
*/
#ifndef GRAPHICS_H
#define GRAPHICS_H
#include <SDL.h>
#include <guichan/color.hpp>
#include <guichan/graphics.hpp>
class Image;
/**
* 9 images defining a rectangle. 4 corners, 4 sides and a middle area. The
* topology is as follows:
*
* <pre>
* !-----!-----------------!-----!
* ! 0 ! 1 ! 2 !
* !-----!-----------------!-----!
* ! 3 ! 4 ! 5 !
* !-----!-----------------!-----!
* ! 6 ! 7 ! 8 !
* !-----!-----------------!-----!
* </pre>
*
* Sections 0, 2, 6 and 8 will remain as is. 1, 3, 4, 5 and 7 will be
* repeated to fit the size of the widget.
*/
class ImageRect
{
public:
enum ImagePosition
{
UPPER_LEFT = 0,
UPPER_CENTER = 1,
UPPER_RIGHT = 2,
LEFT = 3,
CENTER = 4,
RIGHT = 5,
LOWER_LEFT = 6,
LOWER_CENTER = 7,
LOWER_RIGHT = 8
};
Image *grid[9];
void setAlpha(float alpha);
};
/**
* A central point of control for graphics.
*/
class Graphics : public gcn::Graphics
{
public:
Graphics() = default;
/**
* Sets whether vertical refresh syncing is enabled.
*/
virtual void setVSync(bool sync) = 0;
/**
* Called when the window size or scale has changed.
*/
virtual void updateSize(int width, int height, float scale);
using gcn::Graphics::drawImage;
/**
* Blits an image onto the screen.
*
* @return <code>true</code> if the image was blitted properly
* <code>false</code> otherwise.
*/
bool drawImage(const Image *image, int x, int y);
/**
* Blits an image onto the screen.
*
* @return <code>true</code> if the image was blitted properly
* <code>false</code> otherwise.
*/
bool drawImageF(const Image *image, float x, float y);
/**
* Draws a rescaled version of the image.
*/
virtual bool drawRescaledImage(const Image *image, int srcX, int srcY,
int dstX, int dstY,
int width, int height,
int desiredWidth, int desiredHeight,
bool useColor = false) = 0;
/**
* Draws a rescaled version of the image.
*/
virtual bool drawRescaledImageF(const Image *image, int srcX, int srcY,
float dstX, float dstY,
int width, int height,
float desiredWidth, float desiredHeight,
bool useColor = false);
/**
* Blits an image onto the screen.
*
* @return <code>true</code> if the image was blitted properly
* <code>false</code> otherwise.
*/
virtual bool drawImage(const Image *image,
int srcX, int srcY,
int dstX, int dstY,
int width, int height,
bool useColor = false);
/**
* Blits an image onto the screen.
*
* @return <code>true</code> if the image was blitted properly
* <code>false</code> otherwise.
*/
virtual bool drawImageF(const Image *image,
int srcX, int srcY,
float dstX, float dstY,
int width, int height,
bool useColor = false);
virtual void drawImagePattern(const Image *image,
int x, int y,
int w, int h);
/**
* Draw a pattern based on a rescaled version of the given image...
*/
virtual void drawRescaledImagePattern(const Image *image,
int x, int y,
int w, int h,
int scaledWidth,
int scaledHeight) = 0;
/**
* Draws a rectangle using images. 4 corner images, 4 side images and 1
* image for the inside.
*/
void drawImageRect(int x, int y, int w, int h,
const Image *topLeft, const Image *topRight,
const Image *bottomLeft, const Image *bottomRight,
const Image *top, const Image *right,
const Image *bottom, const Image *left,
const Image *center);
/**
* Draws a rectangle using images. 4 corner images, 4 side images and 1
* image for the inside.
*/
void drawImageRect(int x, int y, int w, int h,
const ImageRect &imgRect);
/**
* Draws a rectangle using images. 4 corner images, 4 side images and 1
* image for the inside.
*/
void drawImageRect(const gcn::Rectangle &area,
const ImageRect &imgRect)
{
drawImageRect(area.x, area.y, area.width, area.height, imgRect);
}
/**
* Updates the screen. This is done by either copying the buffer to the
* screen or swapping pages.
*/
virtual void updateScreen() = 0;
/**
* Returns the logical width of the screen.
*/
int getWidth() const { return mWidth; }
/**
* Returns the logical height of the screen.
*/
int getHeight() const { return mHeight; }
/**
* Returns the graphics scale.
*/
float getScale() const { return mScale; }
/**
* Converts a window coordinate to a logical coordinate. Used for
* converting mouse coordinates.
*/
virtual void windowToLogical(int windowX, int windowY,
float &logicalX, float &logicalY) const = 0;
void _beginDraw() override;
void _endDraw() override;
/**
* Takes a screenshot and returns it as SDL surface.
*/
virtual SDL_Surface *getScreenshot() = 0;
gcn::Font *getFont() const { return mFont; }
void drawImage(const gcn::Image *image,
int srcX, int srcY,
int dstX, int dstY,
int width, int height) override {} // not used
void setColor(const gcn::Color &color) override
{
mColor = color;
}
const gcn::Color &getColor() const final
{
return mColor;
}
protected:
int mWidth = 0;
int mHeight = 0;
float mScale = 1.0f;
gcn::Color mColor;
};
extern Graphics *graphics;
#endif
|
