summaryrefslogtreecommitdiff
path: root/src/render/sdl2softwaregraphics.h
blob: 270536e118a4caa83d4a6f02b1ed59ae03b3294e (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
/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2014  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 RENDER_SDL2SOFTWAREGRAPHICS_H
#define RENDER_SDL2SOFTWAREGRAPHICS_H

#ifdef USE_SDL2

#include "render/graphics.h"

#include "localconsts.h"

class Image;
class ImageCollection;
class ImageVertexes;
class MapLayer;

struct SDL_Surface;

/**
 * A central point of control for graphics.
 */
class SDL2SoftwareGraphics final : public Graphics
{
    public:
        /**
         * Constructor.
         */
        SDL2SoftwareGraphics();

        A_DELETE_COPY(SDL2SoftwareGraphics)

        /**
         * Destructor.
         */
        ~SDL2SoftwareGraphics();

        void _beginDraw();

        void _endDraw();

        bool pushClipArea(Rectangle rect);

        void popClipArea();

        bool drawRescaledImage(const Image *const image,
                               int dstX, int dstY,
                               const int desiredWidth,
                               const int desiredHeight) override final;

        void drawPattern(const Image *const image,
                         const int x, const int y,
                         const int w, const int h) override final;

        void inline drawPatternInline(const Image *const image,
                                      const int x, const int y,
                                      const int w, const int h);

        void drawRescaledPattern(const Image *const image,
                                 const int x, const int y,
                                 const int w, const int h,
                                 const int scaledWidth,
                                 const int scaledHeight) override final;

        void calcPattern(ImageVertexes *const vert,
                         const Image *const image,
                         const int x, const int y,
                         const int w, const int h) const override final;

        void calcPattern(ImageCollection *const vert,
                         const Image *const image,
                         const int x, const int y,
                         const int w, const int h) const override final;

        void calcTileVertexes(ImageVertexes *const vert,
                              const Image *const image,
                              int x, int y) const override final;

        void calcTileSDL(ImageVertexes *const vert,
                         int x, int y) const override final;

        void calcTileCollection(ImageCollection *const vertCol,
                                const Image *const image,
                                int x, int y) override final;

        void drawTileVertexes(const ImageVertexes *const vert) override final;

        void drawTileCollection(const ImageCollection *const vertCol)
                                override final;

        void updateScreen() override final;

        SDL_Surface *getScreenshot() override final A_WARN_UNUSED;

        bool drawNet(const int x1, const int y1,
                     const int x2, const int y2,
                     const int width, const int height) override final;

        void calcWindow(ImageCollection *const vertCol,
                        const int x, const int y,
                        const int w, const int h,
                        const ImageRect &imgRect) override final;

        void fillRectangle(const Rectangle &rect) override final;

        void drawRectangle(const Rectangle &rect) override final;

        void drawPoint(int x, int y) override final;

        void drawLine(int x1, int y1, int x2, int y2) override final;

        bool setVideoMode(const int w, const int h,
                          const int scale,
                          const int bpp,
                          const bool fs,
                          const bool hwaccel,
                          const bool resize,
                          const bool noFrame) override final;

        void setRendererFlags(const uint32_t flags) override final
        { mRendererFlags = flags; }

        bool resizeScreen(const int width, const int height) override final;

        bool drawImage2(const Image *const image,
                        int dstX, int dstY) override final;

        void drawImageCached(const Image *const image,
                             int x, int y) override final;

        void drawPatternCached(const Image *const image,
                               const int x, const int y,
                               const int w, const int h) override final;

        void completeCache() override final;

        /**
         * 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);

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

        void drawHLine(int x1, int y, int x2);

        void drawVLine(int x, int y1, int y2);

        uint32_t mRendererFlags;
        SDL_Surface *mSurface;
        uint32_t mOldPixel;
        int mOldAlpha;

    private:
        void inline calcImageRect(ImageVertexes *const vert,
                                  const int x, const int y,
                                  const int w, const int h,
                                  const ImageRect &imgRect);

        void inline calcPatternInline(ImageVertexes *const vert,
                                      const Image *const image,
                                      const int x, const int y,
                                      const int w, const int h) const;

        void inline calcTileVertexesInline(ImageVertexes *const vert,
                                           const Image *const image,
                                           int x, int y) const;

        bool inline drawImageInline(const Image *const image,
                                    int dstX, int dstY);
};

#endif  // USE_SDL2
#endif  // RENDER_SDL2SOFTWAREGRAPHICS_H