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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: |
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20 | typedef double nv; |
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21 | |
21 | // *could* also hold the Pixmap itself |
22 | // *could* also hold the Pixmap itself |
22 | struct pixref |
23 | struct pixref |
23 | { |
24 | { |
24 | int cnt; |
25 | int cnt; |
25 | int w, h; |
26 | int w, h; |
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37 | int x, y, w, h, repeat; |
38 | int x, y, w, h, repeat; |
38 | XRenderPictFormat *format; |
39 | XRenderPictFormat *format; |
39 | |
40 | |
40 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
41 | 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); |
42 | rxvt_img (const rxvt_img &img); |
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43 | void alloc (); |
42 | |
44 | |
43 | # if HAVE_PIXBUF |
45 | # if HAVE_PIXBUF |
44 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
46 | 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 |
47 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf |
46 | # endif |
48 | # endif |
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65 | { |
67 | { |
66 | this->repeat = repeat; |
68 | this->repeat = repeat; |
67 | } |
69 | } |
68 | |
70 | |
69 | void unshare (); // prepare for write |
71 | void unshare (); // prepare for write |
70 | void fill (const rxvt_color &c); |
72 | void fill (const rgba &c); |
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73 | void add_alpha (); |
71 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
74 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
72 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
75 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
73 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
76 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
74 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
77 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
75 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
78 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
76 | |
79 | |
77 | void brightness (double r, double g, double b, double a = 1.) |
80 | void brightness (nv r, nv g, nv b, nv a = 1.) |
78 | { |
81 | { |
79 | brightness (float_to_component (r), |
82 | brightness (float_to_component (r), |
80 | float_to_component (g), |
83 | float_to_component (g), |
81 | float_to_component (b), |
84 | float_to_component (b), |
82 | float_to_component (a)); |
85 | float_to_component (a)); |
83 | } |
86 | } |
84 | |
87 | |
85 | void contrast (double r, double g, double b, double a = 1.) |
88 | void contrast (nv r, nv g, nv b, nv a = 1.) |
86 | { |
89 | { |
87 | contrast (float_to_component (r), |
90 | contrast (float_to_component (r), |
88 | float_to_component (g), |
91 | float_to_component (g), |
89 | float_to_component (b), |
92 | float_to_component (b), |
90 | float_to_component (a)); |
93 | float_to_component (a)); |
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93 | // copy |
96 | // copy |
94 | rxvt_img *reify (); // make x, y 0, make real width/height |
97 | rxvt_img *reify (); // make x, y 0, make real width/height |
95 | rxvt_img *blur (int rh, int rv); |
98 | rxvt_img *blur (int rh, int rv); |
96 | rxvt_img *clone (); |
99 | rxvt_img *clone (); |
97 | rxvt_img *sub_rect (int x, int y, int width, int height); |
100 | rxvt_img *sub_rect (int x, int y, int width, int height); |
98 | rxvt_img *transform (int new_width, int new_height, double matrix[9]); |
101 | rxvt_img *transform (nv matrix[3][3]); |
99 | rxvt_img *scale (int new_width, int new_height); |
102 | rxvt_img *scale (int new_width, int new_height); |
100 | rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); |
103 | rxvt_img *rotate (int cx, int cy, nv phi); |
101 | rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg); |
104 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
102 | rxvt_img *blend (rxvt_img *img, double factor); |
105 | rxvt_img *blend (rxvt_img *img, nv factor = 1.); |
103 | |
106 | |
104 | // egregiuous helper category |
107 | // egregiuous helper category |
105 | rxvt_img *replace (rxvt_img *&p) |
108 | rxvt_img *replace (rxvt_img *&p) |
106 | { |
109 | { |
107 | delete p; |
110 | delete p; |