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Comparing rxvt-unicode/src/rxvtimg.h (file contents):
Revision 1.33 by root, Thu Jun 14 17:06:57 2012 UTC vs.
Revision 1.49 by sf-exg, Tue Oct 1 13:30:04 2013 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
4#if HAVE_BG_PIXMAP
5 #define HAVE_IMG 1
6#endif
7 26
8#if HAVE_IMG 27#if HAVE_IMG
9 28
10#define float_to_component(d) (int32_t)((d) * 65535.99) 29#define float_to_component(d) (int32_t)((d) * 65535.99)
11 30
12#include <X11/extensions/Xrender.h> 31#include <X11/extensions/Xrender.h>
13 32
14class rxvt_img 33struct rxvt_img
15{ 34{
16 void destroy (); 35 typedef double nv;
17 Picture src_picture ();
18 36
19public:
20 // *could* also hold the Pixmap itself 37 // *could* also hold the Pixmap itself
21 struct pixref 38 struct pixref
22 { 39 {
23 int cnt; 40 int cnt;
24 int w, h; 41 int w, h;
… …
55 } 72 }
56 73
57 // inplace 74 // inplace
58 void move (int dx, int dy) 75 void move (int dx, int dy)
59 { 76 {
60 x -= dx; 77 x += dx;
61 y -= dy; 78 y += dy;
62 } 79 }
63 80
64 void repeat_mode (int repeat) 81 void repeat_mode (int repeat)
65 { 82 {
66 this->repeat = repeat; 83 this->repeat = repeat;
67 } 84 }
68 85
69 void unshare (); // prepare for write 86 void unshare (); // prepare for write
70 void fill (const rgba &c); 87 void fill (const rgba &c);
88 void fill (const rgba &c, int x, int y, int w, int h);
89 void add_alpha ();
71 //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); 90 //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
72 //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); 91 //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops);
73 //void conical_gradient (const XConicalGradient *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
74 void brightness (int32_t r, int32_t g, int32_t b, int32_t a); 94 void brightness (int32_t r, int32_t g, int32_t b, int32_t a);
75 void contrast (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);
76 96
77 void brightness (double r, double g, double b, double a = 1.) 97 void brightness (nv r, nv g, nv b, nv a = 1.)
78 { 98 {
79 brightness (float_to_component (r), 99 brightness (float_to_component (r),
80 float_to_component (g), 100 float_to_component (g),
81 float_to_component (b), 101 float_to_component (b),
82 float_to_component (a)); 102 float_to_component (a));
83 } 103 }
84 104
85 void contrast (double r, double g, double b, double a = 1.) 105 void contrast (nv r, nv g, nv b, nv a = 1.)
86 { 106 {
87 contrast (float_to_component (r), 107 contrast (float_to_component (r),
88 float_to_component (g), 108 float_to_component (g),
89 float_to_component (b), 109 float_to_component (b),
90 float_to_component (a)); 110 float_to_component (a));
91 } 111 }
92 112
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
118
93 // copy 119 // copy
94 rxvt_img *reify (); // make x, y 0, make real width/height 120 rxvt_img *reify (); // make x, y 0, make real width/height
95 rxvt_img *blur (int rh, int rv); 121 rxvt_img *blur (int rh, int rv);
96 rxvt_img *clone (); 122 rxvt_img *clone ();
97 rxvt_img *sub_rect (int x, int y, int width, int height); 123 rxvt_img *sub_rect (int x, int y, int width, int height);
98 rxvt_img *transform (double matrix[3][3]); 124 rxvt_img *transform (const nv matrix[3][3]);
99 rxvt_img *scale (int new_width, int new_height); 125 rxvt_img *scale (int new_width, int new_height);
100 rxvt_img *rotate (int cx, int cy, double phi); 126 rxvt_img *rotate (int cx, int cy, nv phi);
101 rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); 127 rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg);
102 rxvt_img *blend (rxvt_img *img, double factor); 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 :/
103 132
104 // egregiuous helper category 133 // egregious helper category
105 rxvt_img *replace (rxvt_img *&p) 134 rxvt_img *replace (rxvt_img *&p)
106 { 135 {
107 delete p; 136 delete p;
108 p = this; 137 p = this;
109 return this; 138 return this;
110 } 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);
111}; 146};
112 147
113#endif 148#endif
114 149
115#endif 150#endif

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