|
|
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 | |
|
|
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 destroy (); |
|
|
17 | Picture picture (); |
|
|
18 | |
|
|
19 | public: |
|
|
20 | typedef double nv; |
35 | typedef double nv; |
21 | |
36 | |
22 | // *could* also hold the Pixmap itself |
37 | // *could* also hold the Pixmap itself |
23 | struct pixref |
38 | struct pixref |
24 | { |
39 | { |
… | |
… | |
30 | : cnt(1), w(w), h(h), ours(true) |
45 | : cnt(1), w(w), h(h), ours(true) |
31 | { |
46 | { |
32 | } |
47 | } |
33 | }; |
48 | }; |
34 | |
49 | |
35 | rxvt_screen *s; |
50 | rxvt_display *d; |
36 | Pixmap pm; |
51 | Pixmap pm; |
37 | pixref *ref; // shared refcnt |
52 | pixref *ref; // shared refcnt |
38 | int x, y, w, h, repeat; |
53 | int x, y, w, h, repeat; |
39 | XRenderPictFormat *format; |
54 | XRenderPictFormat *format; |
40 | |
55 | |
41 | 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); |
|
|
57 | rxvt_img (rxvt_display *display, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
42 | rxvt_img (const rxvt_img &img); |
58 | rxvt_img (const rxvt_img &img); |
43 | void alloc (); |
59 | void alloc (); |
44 | |
60 | |
45 | # if HAVE_PIXBUF |
61 | # if HAVE_PIXBUF |
46 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
62 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
… | |
… | |
57 | } |
73 | } |
58 | |
74 | |
59 | // inplace |
75 | // inplace |
60 | void move (int dx, int dy) |
76 | void move (int dx, int dy) |
61 | { |
77 | { |
62 | x -= dx; |
78 | x += dx; |
63 | y -= dy; |
79 | y += dy; |
64 | } |
80 | } |
65 | |
81 | |
66 | void repeat_mode (int repeat) |
82 | void repeat_mode (int repeat) |
67 | { |
83 | { |
68 | this->repeat = repeat; |
84 | this->repeat = repeat; |
69 | } |
85 | } |
70 | |
86 | |
71 | void unshare (); // prepare for write |
87 | void unshare (); // prepare for write |
72 | void fill (const rgba &c); |
88 | void fill (const rgba &c); |
|
|
89 | void fill (const rgba &c, int x, int y, int w, int h); |
73 | void add_alpha (); |
90 | void add_alpha (); |
74 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
91 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
75 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
92 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
76 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
93 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
|
|
94 | |
77 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
95 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
78 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
96 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
79 | |
97 | |
80 | void brightness (nv r, nv g, nv b, nv a = 1.) |
98 | void brightness (nv r, nv g, nv b, nv a = 1.) |
81 | { |
99 | { |
… | |
… | |
91 | float_to_component (g), |
109 | float_to_component (g), |
92 | float_to_component (b), |
110 | float_to_component (b), |
93 | float_to_component (a)); |
111 | float_to_component (a)); |
94 | } |
112 | } |
95 | |
113 | |
96 | void draw (rxvt_img *img, int op = PictOpSrc, nv mask = 1.); |
114 | void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1.); |
|
|
115 | #if 0 |
|
|
116 | void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1., |
|
|
117 | nv px, nv py, nv qx, nv qy, nv rx, nv ry, nv sx, nv sy); |
|
|
118 | #endif |
97 | |
119 | |
98 | // copy |
120 | // copy |
99 | rxvt_img *reify (); // make x, y 0, make real width/height |
121 | rxvt_img *reify (); // make x, y 0, make real width/height |
100 | rxvt_img *blur (int rh, int rv); |
122 | rxvt_img *blur (int rh, int rv); |
101 | rxvt_img *clone (); |
123 | rxvt_img *clone (); |
102 | rxvt_img *sub_rect (int x, int y, int width, int height); |
124 | rxvt_img *sub_rect (int x, int y, int width, int height); |
103 | rxvt_img *transform (nv matrix[3][3]); |
125 | rxvt_img *transform (const nv matrix[3][3]); |
104 | rxvt_img *scale (int new_width, int new_height); |
126 | rxvt_img *scale (int new_width, int new_height); |
105 | rxvt_img *rotate (int cx, int cy, nv phi); |
127 | rxvt_img *rotate (int cx, int cy, nv phi); |
106 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
128 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
107 | rxvt_img *blend (rxvt_img *img, nv factor = 1.); |
129 | rxvt_img *tint (const rgba &c); |
|
|
130 | rxvt_img *shade (nv factor, rgba c = rgba (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC)); |
|
|
131 | rxvt_img *filter (const char *name, int nparams = 0, nv *params = 0); |
|
|
132 | rxvt_img *muladd (nv mul, nv add); // general multiply and add, implemented as the biggest hack ever :/ |
108 | |
133 | |
109 | // egregiuous helper category |
134 | // egregious helper category |
110 | rxvt_img *replace (rxvt_img *&p) |
135 | rxvt_img *replace (rxvt_img *&p) |
111 | { |
136 | { |
112 | delete p; |
137 | delete p; |
113 | p = this; |
138 | p = this; |
114 | return this; |
139 | return this; |
115 | } |
140 | } |
|
|
141 | |
|
|
142 | /* these are considered private */ |
|
|
143 | void destroy (); |
|
|
144 | rxvt_img *new_empty (); |
|
|
145 | Picture picture (); |
|
|
146 | rxvt_img *transform (const nv *matrix); |
116 | }; |
147 | }; |
117 | |
148 | |
118 | #endif |
149 | #endif |
119 | |
150 | |
120 | #endif |
151 | #endif |