| 1 | #ifndef IMG_H |
1 | #ifndef IMG_H |
| 2 | #define IMG_H |
2 | #define IMG_H |
| 3 | |
3 | |
| 4 | #if defined HAVE_BG_PIXMAP && defined BG_IMAGE_FROM_FILE && defined ENABLE_TRANSPARENCY && defined HAVE_PIXBUF |
4 | #if HAVE_BG_PIXMAP && BG_IMAGE_FROM_FILE && ENABLE_TRANSPARENCY && HAVE_PIXBUF |
| 5 | #define HAVE_IMG 1 |
5 | #define HAVE_IMG 1 |
| 6 | #endif |
6 | #endif |
| 7 | |
7 | |
| 8 | #if HAVE_IMG |
8 | #if HAVE_IMG |
| 9 | |
9 | |
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10 | #define float_to_component(d) ((d) * 65535.99) |
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11 | |
| 10 | #include <X11/extensions/Xrender.h> |
12 | #include <X11/extensions/Xrender.h> |
| 11 | |
13 | |
| 12 | struct rxvt_img |
14 | class rxvt_img |
| 13 | { |
15 | { |
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16 | void alloc (); |
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17 | void destroy (); |
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18 | Picture src_picture (); |
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19 | |
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20 | public: |
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21 | // *could* also hold the Pixmap itself |
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22 | struct pixref |
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23 | { |
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24 | int cnt; |
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25 | int w, h; |
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26 | bool ours; // false if we don't own the pixmap at all |
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27 | |
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28 | pixref (int w, int h) |
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29 | : cnt(1), w(w), h(h), ours(true) |
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30 | { |
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31 | } |
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32 | }; |
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33 | |
| 14 | rxvt_screen *s; |
34 | rxvt_screen *s; |
| 15 | Pixmap pm; |
35 | Pixmap pm; |
| 16 | int w, h; |
36 | pixref *ref; // shared refcnt |
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37 | int x, y, w, h, repeat; |
| 17 | XRenderPictFormat *format; |
38 | XRenderPictFormat *format; |
| 18 | |
39 | |
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40 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
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41 | rxvt_img (const rxvt_img &img); |
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42 | |
| 19 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height); |
43 | //rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
| 20 | rxvt_img (rxvt_screen *screen, Pixmap *pixmap, XRenderPictFormat *format, int width, int height); |
44 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
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45 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf |
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46 | static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
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47 | |
| 21 | ~rxvt_img (); |
48 | ~rxvt_img (); |
| 22 | |
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| 23 | void render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); |
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| 24 | |
49 | |
| 25 | Pixmap steal () |
50 | Pixmap steal () |
| 26 | { |
51 | { |
| 27 | Pixmap res = pm; |
52 | ref->ours = false; |
| 28 | pm = 0; |
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| 29 | return res; |
53 | return pm; |
| 30 | } |
54 | } |
| 31 | |
55 | |
| 32 | // inplace |
56 | // inplace |
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57 | void move (int dx, int dy) |
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58 | { |
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59 | x -= dx; |
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60 | y -= dy; |
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61 | } |
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62 | |
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63 | void repeat_mode (int repeat) |
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64 | { |
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65 | this->repeat = repeat; |
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66 | } |
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67 | |
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68 | void unshare (); // prepare for write |
| 33 | void fill (const rxvt_color &c); |
69 | void fill (const rxvt_color &c); |
| 34 | void blur (int rh, int rv); |
70 | void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
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71 | void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
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72 | |
| 35 | void brightness (double r, double g, double b, double a = 1.); |
73 | void brightness (double r, double g, double b, double a = 1.) |
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74 | { |
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75 | brightness (float_to_component (r), |
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76 | float_to_component (g), |
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77 | float_to_component (b), |
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78 | float_to_component (a)); |
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79 | } |
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80 | |
| 36 | void contrast (double r, double g, double b, double a = 1.); |
81 | void contrast (double r, double g, double b, double a = 1.) |
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82 | { |
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83 | contrast (float_to_component (r), |
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84 | float_to_component (g), |
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85 | float_to_component (b), |
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86 | float_to_component (a)); |
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87 | } |
| 37 | |
88 | |
| 38 | // copy |
89 | // copy |
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90 | rxvt_img *reify (); // make x, y 0, make real width/height |
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91 | rxvt_img *blur (int rh, int rv); |
| 39 | rxvt_img *copy (); |
92 | rxvt_img *clone (); |
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93 | rxvt_img *sub_rect (int x, int y, int width, int height); |
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94 | rxvt_img *transform (int new_width, int new_height, double matrix[9]); |
| 40 | rxvt_img *scale (int new_width, int new_height); |
95 | rxvt_img *scale (int new_width, int new_height); |
| 41 | rxvt_img *transform (int new_width, int new_height, double matrix[16]); |
96 | rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); |
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97 | rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg); |
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98 | rxvt_img *blend (rxvt_img *img, double factor); |
| 42 | }; |
99 | }; |
| 43 | |
100 | |
| 44 | #endif |
101 | #endif |
| 45 | |
102 | |
| 46 | #endif |
103 | #endif |
