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/cvs/rxvt-unicode/src/rxvtimg.h
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Comparing rxvt-unicode/src/rxvtimg.h (file contents):
Revision 1.15 by root, Wed Jun 6 22:01:44 2012 UTC vs.
Revision 1.35 by root, Thu Jun 14 18:13:18 2012 UTC

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
12struct rxvt_img 14class rxvt_img
13{ 15{
16 void destroy ();
17 Picture src_picture ();
18
19public:
20 // *could* also hold the Pixmap itself
21 struct pixref
22 {
23 int cnt;
24 int w, h;
25 bool ours; // false if we don't own the pixmap at all
26
27 pixref (int w, int h)
28 : cnt(1), w(w), h(h), ours(true)
29 {
30 }
31 };
32
14 rxvt_screen *s; 33 rxvt_screen *s;
15 Pixmap pm; 34 Pixmap pm;
35 pixref *ref; // shared refcnt
16 int x, y, w, h, repeat; 36 int x, y, w, h, repeat;
17 XRenderPictFormat *format; 37 XRenderPictFormat *format;
18 bool shared; // true if we don't own it
19 38
20 rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height); 39 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); 40 rxvt_img (const rxvt_img &img);
41 void alloc ();
42
43# if HAVE_PIXBUF
44 static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf
45 static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf
46# endif
22 static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap 47 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 48
25 ~rxvt_img (); 49 ~rxvt_img ();
26 50
27 Pixmap steal () 51 Pixmap steal ()
28 { 52 {
29 shared = true; 53 ref->ours = false;
30 return pm; 54 return pm;
31 } 55 }
32 56
33 // inplace 57 // inplace
34 void move (int dx, int dy) 58 void move (int dx, int dy)
35 { 59 {
36 x += dx; 60 x -= dx;
37 y += dy; 61 y -= dy;
38 } 62 }
39 63
40 void repeat_mode (int repeat) 64 void repeat_mode (int repeat)
41 { 65 {
42 this->repeat = repeat; 66 this->repeat = repeat;
43 } 67 }
44 68
45 void unshare (); // create a copy of the pixmap if !shared 69 void unshare (); // prepare for write
46 void fill (const rxvt_color &c); 70 void fill (const rgba &c);
71 void add_alpha ();
72 //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
73 //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
74 //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
75 void brightness (int32_t r, int32_t g, int32_t b, int32_t a);
76 void contrast (int32_t r, int32_t g, int32_t b, int32_t a);
77
47 void brightness (double r, double g, double b, double a = 1.); 78 void brightness (double r, double g, double b, double a = 1.)
79 {
80 brightness (float_to_component (r),
81 float_to_component (g),
82 float_to_component (b),
83 float_to_component (a));
84 }
85
48 void contrast (double r, double g, double b, double a = 1.); 86 void contrast (double r, double g, double b, double a = 1.)
49 bool render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); 87 {
88 contrast (float_to_component (r),
89 float_to_component (g),
90 float_to_component (b),
91 float_to_component (a));
92 }
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 (double 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, double 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, double 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 }
60}; 112};
61 113
62#endif 114#endif
63 115
64#endif 116#endif

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