ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/rxvtimg.h
(Generate patch)

Comparing rxvt-unicode/src/rxvtimg.h (file contents):
Revision 1.5 by root, Sun Jun 3 16:55:31 2012 UTC vs.
Revision 1.50 by root, Thu May 22 18:54:33 2014 UTC

1/*----------------------------------------------------------------------*
2 * File: rxvtimg.h
3 *----------------------------------------------------------------------*
4 *
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2012 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 *---------------------------------------------------------------------*/
23
1#ifndef IMG_H 24#ifndef IMG_H
2#define IMG_H 25#define IMG_H
3 26
4#if defined HAVE_BG_PIXMAP && defined BG_IMAGE_FROM_FILE && defined ENABLE_TRANSPARENCY && defined HAVE_PIXBUF 27#if HAVE_IMG
5 #define HAVE_IMG 1
6#endif
7 28
8#if HAVE_IMG 29#define float_to_component(d) (int32_t)((d) * 65535.99)
9 30
10#include <X11/extensions/Xrender.h> 31#include <X11/extensions/Xrender.h>
11 32
12struct rxvt_img 33struct rxvt_img
13{ 34{
35 typedef double nv;
36
37 // *could* also hold the Pixmap itself
38 struct pixref
39 {
40 int cnt;
41 int w, h;
42 bool ours; // false if we don't own the pixmap at all
43
44 pixref (int w, int h)
45 : cnt(1), w(w), h(h), ours(true)
46 {
47 }
48 };
49
14 rxvt_screen *s; 50 rxvt_screen *s;
15 Pixmap pm; 51 Pixmap pm;
16 int w, h; 52 pixref *ref; // shared refcnt
53 int x, y, w, h, repeat;
17 XRenderPictFormat *format; 54 XRenderPictFormat *format;
18 55
19 rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height); 56 rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal);
20 rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); 57 rxvt_img (const rxvt_img &img);
58 void alloc ();
59
60# if HAVE_PIXBUF
61 static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf
62 static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf
63# endif
21 static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap 64 static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap
22 static rxvt_img *new_from_file (const char *filename); // from pixbuf
23 65
24 ~rxvt_img (); 66 ~rxvt_img ();
25 67
26 Pixmap steal () 68 Pixmap steal ()
27 { 69 {
28 Pixmap res = pm; 70 ref->ours = false;
29 pm = 0;
30 return res; 71 return pm;
31 } 72 }
32 73
33 // inplace 74 // inplace
75 void move (int dx, int dy)
76 {
77 x += dx;
78 y += dy;
79 }
80
81 void repeat_mode (int repeat)
82 {
83 this->repeat = repeat;
84 }
85
86 void unshare (); // prepare for write
34 void fill (const rxvt_color &c); 87 void fill (const rgba &c);
35 void blur (int rh, int rv); 88 void fill (const rgba &c, int x, int y, int w, int h);
36 void brightness (double r, double g, double b, double a = 1.); 89 void add_alpha ();
37 void contrast (double r, double g, double b, double a = 1.); 90 //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
38 void render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); 91 //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
92 //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
93
94 void brightness (int32_t r, int32_t g, int32_t b, int32_t a);
95 void contrast (int32_t r, int32_t g, int32_t b, int32_t a);
96
97 void brightness (nv r, nv g, nv b, nv a = 1.)
98 {
99 brightness (float_to_component (r),
100 float_to_component (g),
101 float_to_component (b),
102 float_to_component (a));
103 }
104
105 void contrast (nv r, nv g, nv b, nv a = 1.)
106 {
107 contrast (float_to_component (r),
108 float_to_component (g),
109 float_to_component (b),
110 float_to_component (a));
111 }
112
113 void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1.);
114#if 0
115 void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1.,
116 nv px, nv py, nv qx, nv qy, nv rx, nv ry, nv sx, nv sy);
117#endif
39 118
40 // copy 119 // copy
120 rxvt_img *reify (); // make x, y 0, make real width/height
121 rxvt_img *blur (int rh, int rv);
41 rxvt_img *copy (); 122 rxvt_img *clone ();
123 rxvt_img *sub_rect (int x, int y, int width, int height);
124 rxvt_img *transform (const nv matrix[3][3]);
42 rxvt_img *scale (int new_width, int new_height); 125 rxvt_img *scale (int new_width, int new_height);
43 rxvt_img *transform (int new_width, int new_height, double matrix[16]); 126 rxvt_img *rotate (int cx, int cy, nv phi);
127 rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg);
128 rxvt_img *tint (const rgba &c);
129 rxvt_img *shade (nv factor, rgba c = rgba (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC));
130 rxvt_img *filter (const char *name, int nparams = 0, nv *params = 0);
131 rxvt_img *muladd (nv mul, nv add); // general multiply and add, implemented as the biggest hack ever :/
132
133 // egregious helper category
134 rxvt_img *replace (rxvt_img *&p)
135 {
136 delete p;
137 p = this;
138 return this;
139 }
140
141 /* these are considered private */
142 void destroy ();
143 rxvt_img *new_empty ();
144 Picture picture ();
145 rxvt_img *transform (const nv *matrix);
44}; 146};
45 147
46#endif 148#endif
47 149
48#endif 150#endif

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines