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/cvs/rxvt-unicode/src/rxvtimg.h
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Comparing rxvt-unicode/src/rxvtimg.h (file contents):
Revision 1.2 by root, Sun Jun 3 10:01:32 2012 UTC vs.
Revision 1.24 by root, Thu Jun 7 21:28:10 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) ((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, Pixmap *pixmap, XRenderPictFormat *format, int width, int height); 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
45 static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap
46
21 ~rxvt_img (); 47 ~rxvt_img ();
22
23 void render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y);
24 48
25 Pixmap steal () 49 Pixmap steal ()
26 { 50 {
27 Pixmap res = pm; 51 ref->ours = false;
28 pm = 0;
29 return res; 52 return pm;
30 } 53 }
31 54
32 // 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
33 void fill (const rxvt_color &c); 68 void fill (const rxvt_color &c);
34 void blur (int rh, int rv); 69 void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a);
70 void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a);
71
35 void brightness (double r, double g, double b, double a = 1.); 72 void brightness (double r, double g, double b, double a = 1.)
73 {
74 brightness (float_to_component (r),
75 float_to_component (g),
76 float_to_component (b),
77 float_to_component (a));
78 }
79
36 void contrast (double r, double g, double b, double a = 1.); 80 void contrast (double r, double g, double b, double a = 1.)
81 {
82 contrast (float_to_component (r),
83 float_to_component (g),
84 float_to_component (b),
85 float_to_component (a));
86 }
37 87
38 // copy 88 // copy
89 rxvt_img *reify (); // make x, y 0, make real width/height
90 rxvt_img *blur (int rh, int rv);
39 rxvt_img *copy (); 91 rxvt_img *clone ();
92 rxvt_img *sub_rect (int x, int y, int width, int height);
93 rxvt_img *transform (int new_width, int new_height, double matrix[9]);
40 rxvt_img *scale (int new_width, int new_height); 94 rxvt_img *scale (int new_width, int new_height);
41 rxvt_img *transform (int new_width, int new_height, double matrix[16]); 95 rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi);
96 rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg);
97 rxvt_img *blend (rxvt_img *img, double factor);
42}; 98};
43 99
44#endif 100#endif
45 101
46#endif 102#endif

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