1 |
#ifndef IMG_H |
2 |
#define IMG_H |
3 |
|
4 |
#if HAVE_BG_PIXMAP && BG_IMAGE_FROM_FILE && ENABLE_TRANSPARENCY && HAVE_PIXBUF |
5 |
#define HAVE_IMG 1 |
6 |
#endif |
7 |
|
8 |
#if HAVE_IMG |
9 |
|
10 |
#define float_to_component(d) ((d) * 65535.99) |
11 |
|
12 |
#include <X11/extensions/Xrender.h> |
13 |
|
14 |
class rxvt_img |
15 |
{ |
16 |
void alloc (); |
17 |
void destroy (); |
18 |
|
19 |
public: |
20 |
rxvt_screen *s; |
21 |
Pixmap pm; |
22 |
int *refcnt; // shared refcnt |
23 |
int x, y, w, h, repeat; |
24 |
XRenderPictFormat *format; |
25 |
|
26 |
rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height); |
27 |
rxvt_img (const rxvt_img &img); |
28 |
|
29 |
//rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
30 |
static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
31 |
static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // from pixbuf |
32 |
|
33 |
~rxvt_img (); |
34 |
|
35 |
// TODO: steal should not do what it does, and this todo should be more specific |
36 |
Pixmap steal () |
37 |
{ |
38 |
Pixmap retval = pm; |
39 |
pm = None; |
40 |
return retval; |
41 |
} |
42 |
|
43 |
// inplace |
44 |
void move (int dx, int dy) |
45 |
{ |
46 |
x += dx; |
47 |
y += dy; |
48 |
} |
49 |
|
50 |
void repeat_mode (int repeat) |
51 |
{ |
52 |
this->repeat = repeat; |
53 |
} |
54 |
|
55 |
void unshare (); // prepare for write |
56 |
void fill (const rxvt_color &c); |
57 |
void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
58 |
void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
59 |
|
60 |
void brightness (double r, double g, double b, double a = 1.) |
61 |
{ |
62 |
brightness (float_to_component (r), |
63 |
float_to_component (g), |
64 |
float_to_component (b), |
65 |
float_to_component (a)); |
66 |
} |
67 |
|
68 |
void contrast (double r, double g, double b, double a = 1.) |
69 |
{ |
70 |
contrast (float_to_component (r), |
71 |
float_to_component (g), |
72 |
float_to_component (b), |
73 |
float_to_component (a)); |
74 |
} |
75 |
|
76 |
bool render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); |
77 |
|
78 |
// copy |
79 |
rxvt_img *reify (); // make x, y 0, make real width/height |
80 |
rxvt_img *blur (int rh, int rv); |
81 |
rxvt_img *clone (); |
82 |
rxvt_img *sub_rect (int x, int y, int width, int height); |
83 |
rxvt_img *transform (int new_width, int new_height, double matrix[9]); |
84 |
rxvt_img *scale (int new_width, int new_height); |
85 |
rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); |
86 |
rxvt_img *convert_to (XRenderPictFormat *format, const rxvt_color &bg); |
87 |
rxvt_img *blend (rxvt_img *img, double factor); |
88 |
}; |
89 |
|
90 |
#endif |
91 |
|
92 |
#endif |
93 |
|