| 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 |
Picture src_picture (); |
| 19 |
|
| 20 |
public: |
| 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 |
|
| 34 |
rxvt_screen *s; |
| 35 |
Pixmap pm; |
| 36 |
pixref *ref; // shared refcnt |
| 37 |
int x, y, w, h, repeat; |
| 38 |
XRenderPictFormat *format; |
| 39 |
|
| 40 |
rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
| 41 |
rxvt_img (const rxvt_img &img); |
| 42 |
|
| 43 |
//rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
| 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 |
static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
| 47 |
|
| 48 |
~rxvt_img (); |
| 49 |
|
| 50 |
Pixmap steal () |
| 51 |
{ |
| 52 |
ref->ours = false; |
| 53 |
return pm; |
| 54 |
} |
| 55 |
|
| 56 |
// inplace |
| 57 |
void move (int dx, int dy) |
| 58 |
{ |
| 59 |
x -= dx; |
| 60 |
y -= dy; |
| 61 |
} |
| 62 |
|
| 63 |
void repeat_mode (int repeat) |
| 64 |
{ |
| 65 |
this->repeat = repeat; |
| 66 |
} |
| 67 |
|
| 68 |
void unshare (); // prepare for write |
| 69 |
void fill (const rxvt_color &c); |
| 70 |
void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
| 71 |
void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
| 72 |
|
| 73 |
void brightness (double r, double g, double b, double a = 1.) |
| 74 |
{ |
| 75 |
brightness (float_to_component (r), |
| 76 |
float_to_component (g), |
| 77 |
float_to_component (b), |
| 78 |
float_to_component (a)); |
| 79 |
} |
| 80 |
|
| 81 |
void contrast (double r, double g, double b, double a = 1.) |
| 82 |
{ |
| 83 |
contrast (float_to_component (r), |
| 84 |
float_to_component (g), |
| 85 |
float_to_component (b), |
| 86 |
float_to_component (a)); |
| 87 |
} |
| 88 |
|
| 89 |
// copy |
| 90 |
rxvt_img *reify (); // make x, y 0, make real width/height |
| 91 |
rxvt_img *blur (int rh, int rv); |
| 92 |
rxvt_img *clone (); |
| 93 |
rxvt_img *sub_rect (int x, int y, int width, int height); |
| 94 |
rxvt_img *transform (int new_width, int new_height, double matrix[9]); |
| 95 |
rxvt_img *scale (int new_width, int new_height); |
| 96 |
rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); |
| 97 |
rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg); |
| 98 |
rxvt_img *blend (rxvt_img *img, double factor); |
| 99 |
}; |
| 100 |
|
| 101 |
#endif |
| 102 |
|
| 103 |
#endif |
| 104 |
|
