1 | #ifndef IMG_H |
1 | #ifndef IMG_H |
2 | #define IMG_H |
2 | #define IMG_H |
3 | |
3 | |
4 | #if HAVE_BG_PIXMAP && BG_IMAGE_FROM_FILE && ENABLE_TRANSPARENCY && 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 | |
10 | #define float_to_component(d) ((d) * 65535.99) |
10 | #define float_to_component(d) (int32_t)((d) * 65535.99) |
11 | |
11 | |
12 | #include <X11/extensions/Xrender.h> |
12 | #include <X11/extensions/Xrender.h> |
13 | |
13 | |
14 | class rxvt_img |
14 | class rxvt_img |
15 | { |
15 | { |
16 | void alloc (); |
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17 | void destroy (); |
16 | void destroy (); |
18 | Picture src_picture (); |
17 | Picture src_picture (); |
19 | |
18 | |
20 | public: |
19 | public: |
21 | // *could* also hold the Pixmap itself |
20 | // *could* also hold the Pixmap itself |
… | |
… | |
37 | int x, y, w, h, repeat; |
36 | int x, y, w, h, repeat; |
38 | XRenderPictFormat *format; |
37 | XRenderPictFormat *format; |
39 | |
38 | |
40 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
39 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
41 | rxvt_img (const rxvt_img &img); |
40 | rxvt_img (const rxvt_img &img); |
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41 | void alloc (); |
42 | |
42 | |
43 | //rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
43 | # if HAVE_PIXBUF |
44 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
44 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
45 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf |
45 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf |
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46 | # endif |
46 | static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
47 | static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
47 | |
48 | |
48 | ~rxvt_img (); |
49 | ~rxvt_img (); |
49 | |
50 | |
50 | Pixmap steal () |
51 | Pixmap steal () |
… | |
… | |
64 | { |
65 | { |
65 | this->repeat = repeat; |
66 | this->repeat = repeat; |
66 | } |
67 | } |
67 | |
68 | |
68 | void unshare (); // prepare for write |
69 | void unshare (); // prepare for write |
69 | void fill (const rxvt_color &c); |
70 | void fill (const rgba &c); |
70 | void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
71 | void add_alpha (); |
71 | void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
72 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
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73 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
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74 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
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75 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
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76 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
72 | |
77 | |
73 | void brightness (double r, double g, double b, double a = 1.) |
78 | void brightness (double r, double g, double b, double a = 1.) |
74 | { |
79 | { |
75 | brightness (float_to_component (r), |
80 | brightness (float_to_component (r), |
76 | float_to_component (g), |
81 | float_to_component (g), |
… | |
… | |
89 | // copy |
94 | // copy |
90 | rxvt_img *reify (); // make x, y 0, make real width/height |
95 | rxvt_img *reify (); // make x, y 0, make real width/height |
91 | rxvt_img *blur (int rh, int rv); |
96 | rxvt_img *blur (int rh, int rv); |
92 | rxvt_img *clone (); |
97 | rxvt_img *clone (); |
93 | rxvt_img *sub_rect (int x, int y, int width, int height); |
98 | rxvt_img *sub_rect (int x, int y, int width, int height); |
94 | rxvt_img *transform (int new_width, int new_height, double matrix[9]); |
99 | rxvt_img *transform (double matrix[3][3]); |
95 | rxvt_img *scale (int new_width, int new_height); |
100 | rxvt_img *scale (int new_width, int new_height); |
96 | rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); |
101 | rxvt_img *rotate (int cx, int cy, double phi); |
97 | rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg); |
102 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
98 | rxvt_img *blend (rxvt_img *img, double factor); |
103 | rxvt_img *blend (rxvt_img *img, double factor); |
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104 | |
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105 | // egregiuous helper category |
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106 | rxvt_img *replace (rxvt_img *&p) |
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107 | { |
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108 | delete p; |
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109 | p = this; |
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110 | return this; |
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111 | } |
99 | }; |
112 | }; |
100 | |
113 | |
101 | #endif |
114 | #endif |
102 | |
115 | |
103 | #endif |
116 | #endif |