|
|
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 | |
14 | class rxvt_img |
33 | struct rxvt_img |
15 | { |
34 | { |
16 | void alloc (); |
35 | typedef double nv; |
17 | void destroy (); |
|
|
18 | Picture src_picture (); |
|
|
19 | |
36 | |
20 | public: |
|
|
21 | // *could* also hold the Pixmap itself |
37 | // *could* also hold the Pixmap itself |
22 | struct pixref |
38 | struct pixref |
23 | { |
39 | { |
24 | int cnt; |
40 | int cnt; |
25 | int w, h; |
41 | int w, h; |
… | |
… | |
37 | int x, y, w, h, repeat; |
53 | int x, y, w, h, repeat; |
38 | XRenderPictFormat *format; |
54 | XRenderPictFormat *format; |
39 | |
55 | |
40 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
56 | 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); |
57 | rxvt_img (const rxvt_img &img); |
|
|
58 | void alloc (); |
42 | |
59 | |
43 | # if HAVE_PIXBUF |
60 | # if HAVE_PIXBUF |
44 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
61 | 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 |
62 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf |
46 | # endif |
63 | # endif |
… | |
… | |
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 rxvt_color &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 (int new_width, int new_height, double matrix[9]); |
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 new_width, int new_height, int x, int y, double phi); |
126 | rxvt_img *rotate (int cx, int cy, nv phi); |
101 | rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &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 |