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Comparing rxvt-unicode/src/rxvtimg.h (file contents):
Revision 1.16 by sf-exg, Thu Jun 7 06:08:10 2012 UTC vs.
Revision 1.42 by sf-exg, Sun Jun 17 17:06:47 2012 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 2 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 HAVE_BG_PIXMAP && BG_IMAGE_FROM_FILE && ENABLE_TRANSPARENCY && HAVE_PIXBUF 27#if HAVE_BG_PIXMAP
5 #define HAVE_IMG 1 28 #define HAVE_IMG 1
6#endif 29#endif
7 30
8#if HAVE_IMG 31#if HAVE_IMG
9 32
10#define float_to_component(d) ((d) * 65535.99) 33#define float_to_component(d) (int32_t)((d) * 65535.99)
11 34
12#include <X11/extensions/Xrender.h> 35#include <X11/extensions/Xrender.h>
13 36
14struct rxvt_img 37struct rxvt_img
15{ 38{
39 typedef double nv;
40
41 // *could* also hold the Pixmap itself
42 struct pixref
43 {
44 int cnt;
45 int w, h;
46 bool ours; // false if we don't own the pixmap at all
47
48 pixref (int w, int h)
49 : cnt(1), w(w), h(h), ours(true)
50 {
51 }
52 };
53
16 rxvt_screen *s; 54 rxvt_screen *s;
17 Pixmap pm; 55 Pixmap pm;
56 pixref *ref; // shared refcnt
18 int x, y, w, h, repeat; 57 int x, y, w, h, repeat;
19 XRenderPictFormat *format; 58 XRenderPictFormat *format;
20 bool shared; // true if we don't own it
21 59
22 rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height); 60 rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal);
23 rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); 61 rxvt_img (const rxvt_img &img);
62 void alloc ();
63
64# if HAVE_PIXBUF
65 static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf
66 static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf
67# endif
24 static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap 68 static rxvt_img *new_from_root (rxvt_screen *s); // get root pixmap
25 static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // from pixbuf
26 69
27 ~rxvt_img (); 70 ~rxvt_img ();
28 71
29 Pixmap steal () 72 Pixmap steal ()
30 { 73 {
31 shared = true; 74 ref->ours = false;
32 return pm; 75 return pm;
33 } 76 }
34 77
35 // inplace 78 // inplace
36 void move (int dx, int dy) 79 void move (int dx, int dy)
… …
42 void repeat_mode (int repeat) 85 void repeat_mode (int repeat)
43 { 86 {
44 this->repeat = repeat; 87 this->repeat = repeat;
45 } 88 }
46 89
47 void unshare (); // create a copy of the pixmap if !shared 90 void unshare (); // prepare for write
48 void fill (const rxvt_color &c); 91 void fill (const rgba &c);
49 void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); 92 void add_alpha ();
50 void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); 93 //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
94 //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
95 //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
96 void brightness (int32_t r, int32_t g, int32_t b, int32_t a);
97 void contrast (int32_t r, int32_t g, int32_t b, int32_t a);
51 98
52 void brightness (double r, double g, double b, double a = 1.) 99 void brightness (nv r, nv g, nv b, nv a = 1.)
53 { 100 {
54 brightness (float_to_component (r), 101 brightness (float_to_component (r),
55 float_to_component (g), 102 float_to_component (g),
56 float_to_component (b), 103 float_to_component (b),
57 float_to_component (a)); 104 float_to_component (a));
58 } 105 }
59 106
60 void contrast (double r, double g, double b, double a = 1.) 107 void contrast (nv r, nv g, nv b, nv a = 1.)
61 { 108 {
62 contrast (float_to_component (r), 109 contrast (float_to_component (r),
63 float_to_component (g), 110 float_to_component (g),
64 float_to_component (b), 111 float_to_component (b),
65 float_to_component (a)); 112 float_to_component (a));
66 } 113 }
67 114
68 bool render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); 115 void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1.);
116#if 0
117 void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1.,
118 nv px, nv py, nv qx, nv qy, nv rx, nv ry, nv sx, nv sy);
119#endif
69 120
70 // copy 121 // copy
122 rxvt_img *reify (); // make x, y 0, make real width/height
71 rxvt_img *blur (int rh, int rv); 123 rxvt_img *blur (int rh, int rv);
72 rxvt_img *clone (); 124 rxvt_img *clone ();
73 rxvt_img *sub_rect (int x, int y, int width, int height); 125 rxvt_img *sub_rect (int x, int y, int width, int height);
74 rxvt_img *transform (int new_width, int new_height, double matrix[9]); 126 rxvt_img *transform (const nv matrix[3][3]);
75 rxvt_img *scale (int new_width, int new_height); 127 rxvt_img *scale (int new_width, int new_height);
76 rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); 128 rxvt_img *rotate (int cx, int cy, nv phi);
77 rxvt_img *convert_to (XRenderPictFormat *format, const rxvt_color &bg); 129 rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg);
78 rxvt_img *blend (rxvt_img *img, double factor); 130 rxvt_img *blend (rxvt_img *img, nv factor = 1.);
131
132 // egregiuous helper category
133 rxvt_img *replace (rxvt_img *&p)
134 {
135 delete p;
136 p = this;
137 return this;
138 }
139
140private:
141
142 void destroy ();
143 Picture picture ();
144 rxvt_img *transform (const nv *matrix);
79}; 145};
80 146
81#endif 147#endif
82 148
83#endif 149#endif

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