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/cvs/rxvt-unicode/src/rxvtimg.h
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Comparing rxvt-unicode/src/rxvtimg.h (file contents):
Revision 1.14 by root, Wed Jun 6 20:20:23 2012 UTC vs.
Revision 1.26 by root, Fri Jun 8 22:19:03 2012 UTC

… …
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) (uint16_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 bool shared; // true if we don't own it
19 39
20 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);
21 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
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 unshare (); // create a copy of the pixmap if !shared 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
35 void fill (const rxvt_color &c); 68 void fill (const rxvt_color &c);
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 (uint16_t r, uint16_t g, uint16_t b, uint16_t a);
73 void contrast (uint16_t r, uint16_t g, uint16_t b, uint16_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 bool render_pixbuf (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
41 rxvt_img *blur (int rh, int rv); 93 rxvt_img *blur (int rh, int rv);
42 rxvt_img *clone (); 94 rxvt_img *clone ();
43 rxvt_img *sub_rect (int x, int y, int width, int height, int repeat = RepeatNormal); 95 rxvt_img *sub_rect (int x, int y, int width, int height);
44 rxvt_img *transform (int new_width, int new_height, double matrix[9], int repeat = RepeatNormal); 96 rxvt_img *transform (int new_width, int new_height, double matrix[9]);
45 rxvt_img *scale (int new_width, int new_height); 97 rxvt_img *scale (int new_width, int new_height);
46 rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi, int repeat = RepeatNormal); 98 rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi);
47 rxvt_img *convert_to (XRenderPictFormat *format, const rxvt_color &bg); 99 rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg);
48 rxvt_img *blend (rxvt_img *img, double factor); 100 rxvt_img *blend (rxvt_img *img, double factor);
49}; 101};
50 102
51#endif 103#endif
52 104

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