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 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; |
… | |
… | |
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 | //rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
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 |
44 | 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 |
45 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // from pixbuf |
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46 | |
50 | |
47 | ~rxvt_img (); |
51 | ~rxvt_img (); |
48 | |
52 | |
49 | Pixmap steal () |
53 | Pixmap steal () |
50 | { |
54 | { |
… | |
… | |
63 | { |
67 | { |
64 | this->repeat = repeat; |
68 | this->repeat = repeat; |
65 | } |
69 | } |
66 | |
70 | |
67 | void unshare (); // prepare for write |
71 | void unshare (); // prepare for write |
68 | void fill (const rxvt_color &c); |
72 | void fill (const rgba &c); |
69 | void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
73 | void add_alpha (); |
70 | void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
74 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
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75 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
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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); |
71 | |
79 | |
72 | void brightness (double r, double g, double b, double a = 1.) |
80 | void brightness (nv r, nv g, nv b, nv a = 1.) |
73 | { |
81 | { |
74 | brightness (float_to_component (r), |
82 | brightness (float_to_component (r), |
75 | float_to_component (g), |
83 | float_to_component (g), |
76 | float_to_component (b), |
84 | float_to_component (b), |
77 | float_to_component (a)); |
85 | float_to_component (a)); |
78 | } |
86 | } |
79 | |
87 | |
80 | void contrast (double r, double g, double b, double a = 1.) |
88 | void contrast (nv r, nv g, nv b, nv a = 1.) |
81 | { |
89 | { |
82 | contrast (float_to_component (r), |
90 | contrast (float_to_component (r), |
83 | float_to_component (g), |
91 | float_to_component (g), |
84 | float_to_component (b), |
92 | float_to_component (b), |
85 | float_to_component (a)); |
93 | float_to_component (a)); |
86 | } |
94 | } |
87 | |
95 | |
88 | bool render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); |
96 | void draw (rxvt_img *img, int op = PictOpSrc, nv mask = 1.); |
89 | |
97 | |
90 | // copy |
98 | // copy |
91 | rxvt_img *reify (); // make x, y 0, make real width/height |
99 | rxvt_img *reify (); // make x, y 0, make real width/height |
92 | rxvt_img *blur (int rh, int rv); |
100 | rxvt_img *blur (int rh, int rv); |
93 | rxvt_img *clone (); |
101 | rxvt_img *clone (); |
94 | rxvt_img *sub_rect (int x, int y, int width, int height); |
102 | rxvt_img *sub_rect (int x, int y, int width, int height); |
95 | rxvt_img *transform (int new_width, int new_height, double matrix[9]); |
103 | rxvt_img *transform (nv matrix[3][3]); |
96 | rxvt_img *scale (int new_width, int new_height); |
104 | rxvt_img *scale (int new_width, int new_height); |
97 | rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); |
105 | rxvt_img *rotate (int cx, int cy, nv phi); |
98 | rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg); |
106 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
99 | rxvt_img *blend (rxvt_img *img, double factor); |
107 | rxvt_img *blend (rxvt_img *img, nv factor = 1.); |
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108 | |
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109 | // egregiuous helper category |
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110 | rxvt_img *replace (rxvt_img *&p) |
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111 | { |
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112 | delete p; |
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113 | p = this; |
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114 | return this; |
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115 | } |
100 | }; |
116 | }; |
101 | |
117 | |
102 | #endif |
118 | #endif |
103 | |
119 | |
104 | #endif |
120 | #endif |