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/cvs/rxvt-unicode/src/rxvtimg.h
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Comparing rxvt-unicode/src/rxvtimg.h (file contents):
Revision 1.16 by sf-exg, Thu Jun 7 06:08:10 2012 UTC vs.
Revision 1.31 by root, Tue Jun 12 10:45:53 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) ((d) * 65535.99) 10#define float_to_component(d) (int32_t)((d) * 65535.99)
11 11
12#include <X11/extensions/Xrender.h> 12#include <X11/extensions/Xrender.h>
13 13
14struct rxvt_img 14class rxvt_img
15{ 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
16 rxvt_screen *s; 33 rxvt_screen *s;
17 Pixmap pm; 34 Pixmap pm;
35 pixref *ref; // shared refcnt
18 int x, y, w, h, repeat; 36 int x, y, w, h, repeat;
19 XRenderPictFormat *format; 37 XRenderPictFormat *format;
20 bool shared; // true if we don't own it
21 38
22 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);
23 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
24 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
25 static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // from pixbuf
26 48
27 ~rxvt_img (); 49 ~rxvt_img ();
28 50
29 Pixmap steal () 51 Pixmap steal ()
30 { 52 {
31 shared = true; 53 ref->ours = false;
32 return pm; 54 return pm;
33 } 55 }
34 56
35 // inplace 57 // inplace
36 void move (int dx, int dy) 58 void move (int dx, int dy)
37 { 59 {
38 x += dx; 60 x -= dx;
39 y += dy; 61 y -= dy;
40 } 62 }
41 63
42 void repeat_mode (int repeat) 64 void repeat_mode (int repeat)
43 { 65 {
44 this->repeat = repeat; 66 this->repeat = repeat;
45 } 67 }
46 68
47 void unshare (); // create a copy of the pixmap if !shared 69 void unshare (); // prepare for write
48 void fill (const rxvt_color &c); 70 void fill (const rxvt_color &c);
49 void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); 71 //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
50 void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); 72 //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
73 //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
74 void brightness (int32_t r, int32_t g, int32_t b, int32_t a);
75 void contrast (int32_t r, int32_t g, int32_t b, int32_t a);
51 76
52 void brightness (double r, double g, double b, double a = 1.) 77 void brightness (double r, double g, double b, double a = 1.)
53 { 78 {
54 brightness (float_to_component (r), 79 brightness (float_to_component (r),
55 float_to_component (g), 80 float_to_component (g),
… …
63 float_to_component (g), 88 float_to_component (g),
64 float_to_component (b), 89 float_to_component (b),
65 float_to_component (a)); 90 float_to_component (a));
66 } 91 }
67 92
68 bool render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y);
69
70 // copy 93 // copy
94 rxvt_img *reify (); // make x, y 0, make real width/height
71 rxvt_img *blur (int rh, int rv); 95 rxvt_img *blur (int rh, int rv);
72 rxvt_img *clone (); 96 rxvt_img *clone ();
73 rxvt_img *sub_rect (int x, int y, int width, int height); 97 rxvt_img *sub_rect (int x, int y, int width, int height);
74 rxvt_img *transform (int new_width, int new_height, double matrix[9]); 98 rxvt_img *transform (double matrix[9], int new_width = 0, int new_height = 0);
75 rxvt_img *scale (int new_width, int new_height); 99 rxvt_img *scale (int new_width, int new_height);
76 rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); 100 rxvt_img *rotate (int x, int y, double phi, int new_width = 0, int new_height = 0);
77 rxvt_img *convert_to (XRenderPictFormat *format, const rxvt_color &bg); 101 rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg);
78 rxvt_img *blend (rxvt_img *img, double factor); 102 rxvt_img *blend (rxvt_img *img, double factor);
103
104 // egregiuous helper category
105 rxvt_img *replace (rxvt_img *&p)
106 {
107 delete p;
108 p = this;
109 return this;
110 }
79}; 111};
80 112
81#endif 113#endif
82 114
83#endif 115#endif

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