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) (int32_t)((d) * 65535.99) |
|
|
11 | |
10 | #include <X11/extensions/Xrender.h> |
12 | #include <X11/extensions/Xrender.h> |
11 | |
13 | |
12 | struct rxvt_img |
14 | struct rxvt_img |
13 | { |
15 | { |
|
|
16 | typedef double nv; |
|
|
17 | |
|
|
18 | // *could* also hold the Pixmap itself |
|
|
19 | struct pixref |
|
|
20 | { |
|
|
21 | int cnt; |
|
|
22 | int w, h; |
|
|
23 | bool ours; // false if we don't own the pixmap at all |
|
|
24 | |
|
|
25 | pixref (int w, int h) |
|
|
26 | : cnt(1), w(w), h(h), ours(true) |
|
|
27 | { |
|
|
28 | } |
|
|
29 | }; |
|
|
30 | |
14 | rxvt_screen *s; |
31 | rxvt_screen *s; |
15 | Pixmap pm; |
32 | Pixmap pm; |
|
|
33 | pixref *ref; // shared refcnt |
16 | int x, y, w, h, repeat; |
34 | int x, y, w, h, repeat; |
17 | XRenderPictFormat *format; |
35 | XRenderPictFormat *format; |
18 | bool shared; // true if we don't own it |
|
|
19 | |
36 | |
20 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height); |
37 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
21 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
38 | rxvt_img (const rxvt_img &img); |
|
|
39 | void alloc (); |
|
|
40 | |
|
|
41 | # if HAVE_PIXBUF |
|
|
42 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
|
|
43 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf |
|
|
44 | # endif |
22 | static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
45 | static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
23 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // from pixbuf |
|
|
24 | |
46 | |
25 | ~rxvt_img (); |
47 | ~rxvt_img (); |
26 | |
48 | |
27 | Pixmap steal () |
49 | Pixmap steal () |
28 | { |
50 | { |
29 | shared = true; |
51 | ref->ours = false; |
30 | return pm; |
52 | return pm; |
31 | } |
53 | } |
32 | |
54 | |
33 | // inplace |
55 | // inplace |
34 | void move (int dx, int dy) |
56 | void move (int dx, int dy) |
… | |
… | |
40 | void repeat_mode (int repeat) |
62 | void repeat_mode (int repeat) |
41 | { |
63 | { |
42 | this->repeat = repeat; |
64 | this->repeat = repeat; |
43 | } |
65 | } |
44 | |
66 | |
45 | void unshare (); // create a copy of the pixmap if !shared |
67 | void unshare (); // prepare for write |
46 | void fill (const rxvt_color &c); |
68 | void fill (const rgba &c); |
47 | void brightness (double r, double g, double b, double a = 1.); |
69 | void add_alpha (); |
48 | void contrast (double r, double g, double b, double a = 1.); |
70 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
49 | bool render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); |
71 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
|
|
72 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
|
|
73 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
|
|
74 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
|
|
75 | |
|
|
76 | void brightness (nv r, nv g, nv b, nv a = 1.) |
|
|
77 | { |
|
|
78 | brightness (float_to_component (r), |
|
|
79 | float_to_component (g), |
|
|
80 | float_to_component (b), |
|
|
81 | float_to_component (a)); |
|
|
82 | } |
|
|
83 | |
|
|
84 | void contrast (nv r, nv g, nv b, nv a = 1.) |
|
|
85 | { |
|
|
86 | contrast (float_to_component (r), |
|
|
87 | float_to_component (g), |
|
|
88 | float_to_component (b), |
|
|
89 | float_to_component (a)); |
|
|
90 | } |
|
|
91 | |
|
|
92 | void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1.); |
50 | |
93 | |
51 | // copy |
94 | // copy |
|
|
95 | rxvt_img *reify (); // make x, y 0, make real width/height |
52 | rxvt_img *blur (int rh, int rv); |
96 | rxvt_img *blur (int rh, int rv); |
53 | rxvt_img *clone (); |
97 | rxvt_img *clone (); |
54 | 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); |
55 | rxvt_img *transform (int new_width, int new_height, double matrix[9]); |
99 | rxvt_img *transform (const nv matrix[3][3]); |
56 | rxvt_img *scale (int new_width, int new_height); |
100 | rxvt_img *scale (int new_width, int new_height); |
57 | rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); |
101 | rxvt_img *rotate (int cx, int cy, nv phi); |
58 | rxvt_img *convert_to (XRenderPictFormat *format, const rxvt_color &bg); |
102 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
59 | rxvt_img *blend (rxvt_img *img, double factor); |
103 | rxvt_img *blend (rxvt_img *img, nv factor = 1.); |
|
|
104 | |
|
|
105 | // egregiuous helper category |
|
|
106 | rxvt_img *replace (rxvt_img *&p) |
|
|
107 | { |
|
|
108 | delete p; |
|
|
109 | p = this; |
|
|
110 | return this; |
|
|
111 | } |
|
|
112 | |
|
|
113 | private: |
|
|
114 | |
|
|
115 | void destroy (); |
|
|
116 | Picture picture (); |
|
|
117 | rxvt_img *transform (const nv *matrix); |
60 | }; |
118 | }; |
61 | |
119 | |
62 | #endif |
120 | #endif |
63 | |
121 | |
64 | #endif |
122 | #endif |