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/cvs/rxvt-unicode/src/rxvtimg.h
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Comparing rxvt-unicode/src/rxvtimg.h (file contents):
Revision 1.4 by root, Sun Jun 3 16:54:04 2012 UTC vs.
Revision 1.28 by root, Sat Jun 9 11:13:14 2012 UTC

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 && BG_IMAGE_FROM_FILE && ENABLE_TRANSPARENCY && HAVE_PIXBUF
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
12struct rxvt_img 14class rxvt_img
13{ 15{
16 void alloc ();
17 void destroy ();
18 Picture src_picture ();
19
20public:
21 // *could* also hold the Pixmap itself
22 struct pixref
23 {
24 int cnt;
25 int w, h;
26 bool ours; // false if we don't own the pixmap at all
27
28 pixref (int w, int h)
29 : cnt(1), w(w), h(h), ours(true)
30 {
31 }
32 };
33
14 rxvt_screen *s; 34 rxvt_screen *s;
15 Pixmap pm; 35 Pixmap pm;
16 int w, h; 36 pixref *ref; // shared refcnt
37 int x, y, w, h, repeat;
17 XRenderPictFormat *format; 38 XRenderPictFormat *format;
18 39
19 rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height); 40 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); 41 rxvt_img (const rxvt_img &img);
42
43 static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf
44 static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf
21 rxvt_img (rxvt_screen *screen); // get root pixmap 45 static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap
22 rxvt_img (const char *filename); // from pixbuf
23 46
24 ~rxvt_img (); 47 ~rxvt_img ();
25 48
26 Pixmap steal () 49 Pixmap steal ()
27 { 50 {
28 Pixmap res = pm; 51 ref->ours = false;
29 pm = 0;
30 return res; 52 return pm;
31 } 53 }
32 54
33 // inplace 55 // inplace
56 void move (int dx, int dy)
57 {
58 x -= dx;
59 y -= dy;
60 }
61
62 void repeat_mode (int repeat)
63 {
64 this->repeat = repeat;
65 }
66
67 void unshare (); // prepare for write
34 void fill (const rxvt_color &c); 68 void fill (const rxvt_color &c);
35 void blur (int rh, int rv); 69 //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
70 //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
71 //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
72 void brightness (int32_t r, int32_t g, int32_t b, int32_t a);
73 void contrast (int32_t r, int32_t g, int32_t b, int32_t a);
74
36 void brightness (double r, double g, double b, double a = 1.); 75 void brightness (double r, double g, double b, double a = 1.)
76 {
77 brightness (float_to_component (r),
78 float_to_component (g),
79 float_to_component (b),
80 float_to_component (a));
81 }
82
37 void contrast (double r, double g, double b, double a = 1.); 83 void contrast (double r, double g, double b, double a = 1.)
38 void render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); 84 {
85 contrast (float_to_component (r),
86 float_to_component (g),
87 float_to_component (b),
88 float_to_component (a));
89 }
39 90
40 // copy 91 // copy
92 rxvt_img *reify (); // make x, y 0, make real width/height
93 rxvt_img *blur (int rh, int rv);
41 rxvt_img *copy (); 94 rxvt_img *clone ();
95 rxvt_img *sub_rect (int x, int y, int width, int height);
96 rxvt_img *transform (int new_width, int new_height, double matrix[9]);
42 rxvt_img *scale (int new_width, int new_height); 97 rxvt_img *scale (int new_width, int new_height);
43 rxvt_img *transform (int new_width, int new_height, double matrix[16]); 98 rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi);
99 rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg);
100 rxvt_img *blend (rxvt_img *img, double factor);
101
102 // egregiuous helper category
103 rxvt_img *replace (rxvt_img *&p)
104 {
105 delete p;
106 p = this;
107 return this;
108 }
44}; 109};
45 110
46#endif 111#endif
47 112
48#endif 113#endif

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