annotate src/image.h @ 22:c2a2069a49ec
slot highlighting, TODO blur
| author |
John Tsiombikas <nuclear@member.fsf.org> |
| date |
Tue, 07 Jul 2015 21:56:37 +0300 |
| parents |
b41ceead1708 |
| children |
3e6430028d54 |
| rev |
line source |
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1 #ifndef IMAGE_H_
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2 #define IMAGE_H_
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3
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4 class Image {
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5 private:
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6 mutable int tex_width, tex_height;
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7 mutable unsigned int tex;
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8 mutable bool tex_valid;
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9
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10 public:
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11 int width, height;
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12 unsigned char *pixels;
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13
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14 Image();
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15 ~Image();
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16
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17 Image(const Image &img);
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18 Image &operator =(const Image &img);
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19
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20 bool create(int width, int height, unsigned char *pixels = 0);
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21 void destroy();
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22
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23 bool load(const char *fname);
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24
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25 unsigned int texture() const;
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26 int texture_width() const;
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27 int texture_height() const;
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28
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29 void invalidate_texture();
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30 };
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31
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32 void clear_image(Image *img);
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33 void clear_image(Image *img, float r, float g, float b, float a = 255);
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34 void clear_image_alpha(Image *img, float a);
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35
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36 enum ImgCombine {
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37 IMG_OP_ADD,
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38 IMG_OP_SUB,
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39 IMG_OP_MUL,
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40 IMG_OP_LERP
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41 };
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42
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43 bool combine_image(Image *dest, const Image *aimg, const Image *bimg, ImgCombine op = IMG_OP_LERP, float t = 0.5);
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44
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45 #endif // IMAGE_H_
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