1 | #ifndef IMG_H |
1 | #ifndef IMG_H |
2 | #define IMG_H |
2 | #define IMG_H |
3 | |
3 | |
4 | #if defined HAVE_BG_PIXMAP && defined BG_IMAGE_FROM_FILE && defined ENABLE_TRANSPARENCY && defined HAVE_PIXBUF |
4 | #if HAVE_BG_PIXMAP && BG_IMAGE_FROM_FILE && ENABLE_TRANSPARENCY && HAVE_PIXBUF |
5 | #define HAVE_IMG 1 |
5 | #define HAVE_IMG 1 |
6 | #endif |
6 | #endif |
7 | |
7 | |
8 | #if HAVE_IMG |
8 | #if HAVE_IMG |
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9 | |
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10 | #define float_to_component(d) ((d) * 65535.99) |
9 | |
11 | |
10 | #include <X11/extensions/Xrender.h> |
12 | #include <X11/extensions/Xrender.h> |
11 | |
13 | |
12 | struct rxvt_img |
14 | struct rxvt_img |
13 | { |
15 | { |
14 | rxvt_screen *s; |
16 | rxvt_screen *s; |
15 | Pixmap pm; |
17 | Pixmap pm; |
16 | int w, h; |
18 | int x, y, w, h, repeat; |
17 | XRenderPictFormat *format; |
19 | XRenderPictFormat *format; |
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20 | bool shared; // true if we don't own it |
18 | |
21 | |
19 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height); |
22 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height); |
20 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
23 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
21 | static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
24 | static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap |
22 | static rxvt_img *new_from_file (const char *filename); // from pixbuf |
25 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // from pixbuf |
23 | |
26 | |
24 | ~rxvt_img (); |
27 | ~rxvt_img (); |
25 | |
28 | |
26 | Pixmap steal () |
29 | Pixmap steal () |
27 | { |
30 | { |
28 | Pixmap res = pm; |
31 | shared = true; |
29 | pm = 0; |
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30 | return res; |
32 | return pm; |
31 | } |
33 | } |
32 | |
34 | |
33 | // inplace |
35 | // inplace |
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36 | void move (int dx, int dy) |
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37 | { |
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38 | x += dx; |
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39 | y += dy; |
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40 | } |
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41 | |
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42 | void repeat_mode (int repeat) |
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43 | { |
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44 | this->repeat = repeat; |
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45 | } |
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46 | |
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47 | void unshare (); // create a copy of the pixmap if !shared |
34 | void fill (const rxvt_color &c); |
48 | void fill (const rxvt_color &c); |
35 | void blur (int rh, int rv); |
49 | void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
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50 | void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
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51 | |
36 | void brightness (double r, double g, double b, double a = 1.); |
52 | void brightness (double r, double g, double b, double a = 1.) |
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53 | { |
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54 | brightness (float_to_component (r), |
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55 | float_to_component (g), |
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56 | float_to_component (b), |
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57 | float_to_component (a)); |
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58 | } |
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59 | |
37 | void contrast (double r, double g, double b, double a = 1.); |
60 | void contrast (double r, double g, double b, double a = 1.) |
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61 | { |
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62 | contrast (float_to_component (r), |
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63 | float_to_component (g), |
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64 | float_to_component (b), |
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65 | float_to_component (a)); |
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66 | } |
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67 | |
38 | void render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); |
68 | bool render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); |
39 | |
69 | |
40 | // copy |
70 | // copy |
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71 | rxvt_img *blur (int rh, int rv); |
41 | rxvt_img *copy (); |
72 | rxvt_img *clone (); |
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73 | rxvt_img *sub_rect (int x, int y, int width, int height); |
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74 | rxvt_img *transform (int new_width, int new_height, double matrix[9]); |
42 | rxvt_img *scale (int new_width, int new_height); |
75 | rxvt_img *scale (int new_width, int new_height); |
43 | rxvt_img *transform (int new_width, int new_height, double matrix[16]); |
76 | rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); |
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77 | rxvt_img *convert_to (XRenderPictFormat *format, const rxvt_color &bg); |
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78 | rxvt_img *blend (rxvt_img *img, double factor); |
44 | }; |
79 | }; |
45 | |
80 | |
46 | #endif |
81 | #endif |
47 | |
82 | |
48 | #endif |
83 | #endif |