| 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 |
| 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) (int32_t)((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 destroy (); |
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17 | Picture src_picture (); |
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18 | |
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19 | public: |
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20 | typedef double nv; |
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21 | |
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22 | // *could* also hold the Pixmap itself |
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23 | struct pixref |
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24 | { |
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25 | int cnt; |
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26 | int w, h; |
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27 | bool ours; // false if we don't own the pixmap at all |
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28 | |
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29 | pixref (int w, int h) |
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30 | : cnt(1), w(w), h(h), ours(true) |
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31 | { |
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32 | } |
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33 | }; |
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34 | |
| 14 | rxvt_screen *s; |
35 | rxvt_screen *s; |
| 15 | Pixmap pm; |
36 | Pixmap pm; |
| 16 | int w, h; |
37 | pixref *ref; // shared refcnt |
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38 | int x, y, w, h, repeat; |
| 17 | XRenderPictFormat *format; |
39 | XRenderPictFormat *format; |
| 18 | |
40 | |
| 19 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height); |
41 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
| 20 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
42 | rxvt_img (const rxvt_img &img); |
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43 | void alloc (); |
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44 | |
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45 | # if HAVE_PIXBUF |
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46 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
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47 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf |
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48 | # endif |
| 21 | static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
49 | static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
| 22 | static rxvt_img *new_from_file (const char *filename); // from pixbuf |
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| 23 | |
50 | |
| 24 | ~rxvt_img (); |
51 | ~rxvt_img (); |
| 25 | |
52 | |
| 26 | Pixmap steal () |
53 | Pixmap steal () |
| 27 | { |
54 | { |
| 28 | Pixmap res = pm; |
55 | ref->ours = false; |
| 29 | pm = 0; |
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| 30 | return res; |
56 | return pm; |
| 31 | } |
57 | } |
| 32 | |
58 | |
| 33 | // inplace |
59 | // inplace |
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60 | void move (int dx, int dy) |
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61 | { |
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62 | x -= dx; |
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63 | y -= dy; |
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64 | } |
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65 | |
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66 | void repeat_mode (int repeat) |
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67 | { |
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68 | this->repeat = repeat; |
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69 | } |
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70 | |
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71 | void unshare (); // prepare for write |
| 34 | void fill (const rxvt_color &c); |
72 | void fill (const rgba &c); |
| 35 | void blur (int rh, int rv); |
73 | void add_alpha (); |
| 36 | void brightness (double r, double g, double b, double a = 1.); |
74 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
| 37 | void contrast (double r, double g, double b, double a = 1.); |
75 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
| 38 | void render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); |
76 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
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77 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
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78 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
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79 | |
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80 | void brightness (nv r, nv g, nv b, nv a = 1.) |
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81 | { |
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82 | brightness (float_to_component (r), |
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83 | float_to_component (g), |
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84 | float_to_component (b), |
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85 | float_to_component (a)); |
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86 | } |
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87 | |
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88 | void contrast (nv r, nv g, nv b, nv a = 1.) |
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89 | { |
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90 | contrast (float_to_component (r), |
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91 | float_to_component (g), |
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92 | float_to_component (b), |
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93 | float_to_component (a)); |
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94 | } |
| 39 | |
95 | |
| 40 | // copy |
96 | // copy |
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97 | rxvt_img *reify (); // make x, y 0, make real width/height |
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98 | rxvt_img *blur (int rh, int rv); |
| 41 | rxvt_img *copy (); |
99 | rxvt_img *clone (); |
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100 | rxvt_img *sub_rect (int x, int y, int width, int height); |
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101 | rxvt_img *transform (nv matrix[3][3]); |
| 42 | rxvt_img *scale (int new_width, int new_height); |
102 | rxvt_img *scale (int new_width, int new_height); |
| 43 | rxvt_img *transform (int new_width, int new_height, double matrix[16]); |
103 | rxvt_img *rotate (int cx, int cy, nv phi); |
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104 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
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105 | rxvt_img *blend (rxvt_img *img, nv factor = 1.); |
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106 | |
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107 | // egregiuous helper category |
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108 | rxvt_img *replace (rxvt_img *&p) |
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109 | { |
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110 | delete p; |
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111 | p = this; |
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112 | return this; |
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113 | } |
| 44 | }; |
114 | }; |
| 45 | |
115 | |
| 46 | #endif |
116 | #endif |
| 47 | |
117 | |
| 48 | #endif |
118 | #endif |
