summaryrefslogtreecommitdiff
path: root/src/graphics.h
blob: 3ae2a77188d08bf6b4066e77572a9ee830b988b9 (plain) (blame)
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
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2012  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus 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 <guichan/sdl/sdlgraphics.hpp>

class GraphicsVertexes;
class Image;
class ImageVertexes;
class MapLayer;

struct SDL_Surface;

static const int defaultScreenWidth = 800;
static const int defaultScreenHeight = 600;

/**
 * 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];
};

/**
 * A central point of control for graphics.
 */
class Graphics : public gcn::SDLGraphics
{
    public:
        enum BlitMode
        {
            BLIT_NORMAL = 0,
            BLIT_GFX
        };

        /**
         * Constructor.
         */
        Graphics();

        /**
         * Destructor.
         */
        virtual ~Graphics();

        /**
         * Try to create a window with the given settings.
         */
        virtual bool setVideoMode(int w, int h, int bpp, bool fs,
                                  bool hwaccel, bool resize, bool noFrame);

        /**
         * Set fullscreen mode.
         */
        bool setFullscreen(bool fs);

        /**
         * Resize the window to the specified size.
         */
        bool resizeScreen(int width, int height);

        /**
         * Blits an image onto the screen.
         *
         * @return <code>true</code> if the image was blitted properly
         *         <code>false</code> otherwise.
         */
        bool drawImage(Image *image, int x, int y);

        /**
         * Overrides with our own drawing method.
         */
        void drawImage(gcn::Image const *image, int srcX, int srcY,
                       int dstX, int dstY, int width, int height);

        /**
         * Draws a resclaled version of the image
         */
        bool drawRescaledImage(Image *image, int srcX, int srcY,
                               int dstX, int dstY,
                               int width, int height,
                               int desiredWidth, int desiredHeight)
        {
            return drawRescaledImage(image, srcX, srcY,
                                     dstX, dstY,
                                     width, height,
                                     desiredWidth, desiredHeight,
                                     false);
        };

        /**
         * Draws a resclaled version of the image
         */
        virtual bool drawRescaledImage(Image *image, int srcX, int srcY,
                                       int dstX, int dstY,
                                       int width, int height,
                                       int desiredWidth, int 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(Image *image,
                               int srcX, int srcY,
                               int dstX, int dstY,
                               int width, int height,
                               bool useColor = false);

        virtual void drawImagePattern(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(Image *image,
                                              int x, int y, int w, int h,
                                              int scaledWidth,
                                              int scaledHeight);

        /**
         * 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,
                           Image *topLeft, Image *topRight,
                           Image *bottomLeft, Image *bottomRight,
                           Image *top, Image *right,
                           Image *bottom, Image *left,
                           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);

        virtual bool calcImageRect(GraphicsVertexes* vert,
                                   int x, int y, int w, int h,
                                   Image *topLeft, Image *topRight,
                                   Image *bottomLeft, Image *bottomRight,
                                   Image *top, Image *right,
                                   Image *bottom, Image *left,
                                   Image *center);

        virtual void calcImagePattern(GraphicsVertexes* vert, Image *image,
                                      int x, int y,
                                      int w, int h);

        virtual void calcTile(ImageVertexes *vert, int x, int y);

        virtual void drawTile(ImageVertexes *vert);

        virtual void drawImageRect2(GraphicsVertexes* vert,
                                    const ImageRect &imgRect);

        virtual void drawImagePattern2(GraphicsVertexes *vert, Image *img);

        bool calcWindow(GraphicsVertexes* vert,
                        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.
         */
        inline void drawImageRect(const gcn::Rectangle &area,
                                  const ImageRect &imgRect)
        { drawImageRect(area.x, area.y, area.width, area.height, imgRect); }

        void setBlitMode(BlitMode mode)
        { mBlitMode = mode; }

        BlitMode getBlitMode() const
        { return mBlitMode; }

        void fillRectangle(const gcn::Rectangle& rectangle);

        /**
         * Updates the screen. This is done by either copying the buffer to the
         * screen or swapping pages.
         */
        virtual void updateScreen();

        /**
         * Returns the width of the screen.
         */
        int getWidth() const;

        /**
         * Returns the height of the screen.
         */
        int getHeight() const;

        /**
         * Takes a screenshot and returns it as SDL surface.
         */
        virtual SDL_Surface *getScreenshot();

        virtual void prepareScreenshot()
        { }

        virtual int getMemoryUsage()
        { return 0; }

        virtual bool drawNet(int x1, int y1, int x2, int y2,
                             int width, int height);

        gcn::Font *getFont() const
        { return mFont; }

        gcn::ClipRectangle &getTopClip()
        { return mClipStack.top(); }

        void setRedraw(bool n)
        { mRedraw = n; }

        bool getRedraw() const
        { return mRedraw; }

        void setSecure(bool n)
        { mSecure = n; }

        bool getSecure() const
        { return mSecure; }

        int getBpp() const
        { return mBpp; }

        bool getFullScreen() const
        { return mFullscreen; }

        bool getHWAccel() const
        { return mHWAccel; }

        bool getDoubleBuffer() const
        { return mDoubleBuffer; }

        int getOpenGL()
        { return mOpenGL; }

        void setNoFrame(bool n)
        { mNoFrame = n; }

        bool videoInfo();

        int mWidth;
        int mHeight;

    protected:
        int SDL_FakeUpperBlit(SDL_Surface *src, SDL_Rect *srcrect,
                              SDL_Surface *dst, SDL_Rect *dstrect);

        int mBpp;
        bool mFullscreen;
        bool mHWAccel;
        BlitMode mBlitMode;
        bool mRedraw;
        bool mDoubleBuffer;
        SDL_Rect mRect;
        bool mSecure;
        int mOpenGL;
        bool mEnableResize;
        bool mNoFrame;
        Uint32 mOldPixel;
        int mOldAlpha;
};

extern Graphics *mainGraphics;

#endif