| … | |
… | |
| 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) (uint16_t)((d) * 65535.99) |
| 11 | |
11 | |
| 12 | #include <X11/extensions/Xrender.h> |
12 | #include <X11/extensions/Xrender.h> |
| 13 | |
13 | |
| 14 | class rxvt_img |
14 | class rxvt_img |
| 15 | { |
15 | { |
| … | |
… | |
| 64 | this->repeat = repeat; |
64 | this->repeat = repeat; |
| 65 | } |
65 | } |
| 66 | |
66 | |
| 67 | void unshare (); // prepare for write |
67 | void unshare (); // prepare for write |
| 68 | void fill (const rxvt_color &c); |
68 | void fill (const rxvt_color &c); |
| 69 | void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
69 | void brightness (uint16_t r, uint16_t g, uint16_t b, uint16_t a); |
| 70 | void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
70 | void contrast (uint16_t r, uint16_t g, uint16_t b, uint16_t a); |
| 71 | |
71 | |
| 72 | void brightness (double r, double g, double b, double a = 1.) |
72 | void brightness (double r, double g, double b, double a = 1.) |
| 73 | { |
73 | { |
| 74 | brightness (float_to_component (r), |
74 | brightness (float_to_component (r), |
| 75 | float_to_component (g), |
75 | float_to_component (g), |
