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1 | /*----------------------------------------------------------------------* |
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2 | * File: rxvtimg.h |
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3 | *----------------------------------------------------------------------* |
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4 | * |
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5 | * All portions of code are copyright by their respective author/s. |
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6 | * Copyright (c) 2012 Marc Lehmann <schmorp@schmorp.de> |
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7 | * Copyright (c) 2012 Emanuele Giaquinta <e.giaquinta@glauco.it> |
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8 | * |
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9 | * This program is free software; you can redistribute it and/or modify |
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10 | * it under the terms of the GNU General Public License as published by |
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11 | * the Free Software Foundation; either version 2 of the License, or |
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12 | * (at your option) any later version. |
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13 | * |
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14 | * This program is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this program; if not, write to the Free Software |
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21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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22 | *---------------------------------------------------------------------*/ |
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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 | |
14 | class rxvt_img |
37 | struct rxvt_img |
15 | { |
38 | { |
16 | void alloc (); |
39 | typedef double nv; |
17 | void destroy (); |
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18 | Picture src_picture (); |
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19 | |
40 | |
20 | public: |
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21 | // *could* also hold the Pixmap itself |
41 | // *could* also hold the Pixmap itself |
22 | struct pixref |
42 | struct pixref |
23 | { |
43 | { |
24 | int cnt; |
44 | int cnt; |
25 | int w, h; |
45 | int w, h; |
… | |
… | |
37 | int x, y, w, h, repeat; |
57 | int x, y, w, h, repeat; |
38 | XRenderPictFormat *format; |
58 | XRenderPictFormat *format; |
39 | |
59 | |
40 | rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
60 | 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); |
61 | rxvt_img (const rxvt_img &img); |
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62 | void alloc (); |
42 | |
63 | |
43 | //rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap); |
64 | # if HAVE_PIXBUF |
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65 | static rxvt_img *new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb); // from pixbuf |
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66 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // via pixbuf |
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67 | # endif |
44 | 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 |
45 | static rxvt_img *new_from_file (rxvt_screen *s, const char *filename); // from pixbuf |
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46 | |
69 | |
47 | ~rxvt_img (); |
70 | ~rxvt_img (); |
48 | |
71 | |
49 | Pixmap steal () |
72 | Pixmap steal () |
50 | { |
73 | { |
… | |
… | |
53 | } |
76 | } |
54 | |
77 | |
55 | // inplace |
78 | // inplace |
56 | void move (int dx, int dy) |
79 | void move (int dx, int dy) |
57 | { |
80 | { |
58 | x -= dx; |
81 | x += dx; |
59 | y -= dy; |
82 | y += dy; |
60 | } |
83 | } |
61 | |
84 | |
62 | void repeat_mode (int repeat) |
85 | void repeat_mode (int repeat) |
63 | { |
86 | { |
64 | this->repeat = repeat; |
87 | this->repeat = repeat; |
65 | } |
88 | } |
66 | |
89 | |
67 | void unshare (); // prepare for write |
90 | void unshare (); // prepare for write |
68 | void fill (const rxvt_color &c); |
91 | void fill (const rgba &c); |
69 | void brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
92 | void fill (const rgba &c, int x, int y, int w, int h); |
70 | void contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a); |
93 | void add_alpha (); |
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94 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
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95 | //void radial_gradient (const XRadialGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
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96 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
71 | |
97 | |
72 | void brightness (double r, double g, double b, double a = 1.) |
98 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
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99 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
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100 | |
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101 | void brightness (nv r, nv g, nv b, nv a = 1.) |
73 | { |
102 | { |
74 | brightness (float_to_component (r), |
103 | brightness (float_to_component (r), |
75 | float_to_component (g), |
104 | float_to_component (g), |
76 | float_to_component (b), |
105 | float_to_component (b), |
77 | float_to_component (a)); |
106 | float_to_component (a)); |
78 | } |
107 | } |
79 | |
108 | |
80 | void contrast (double r, double g, double b, double a = 1.) |
109 | void contrast (nv r, nv g, nv b, nv a = 1.) |
81 | { |
110 | { |
82 | contrast (float_to_component (r), |
111 | contrast (float_to_component (r), |
83 | float_to_component (g), |
112 | float_to_component (g), |
84 | float_to_component (b), |
113 | float_to_component (b), |
85 | float_to_component (a)); |
114 | float_to_component (a)); |
86 | } |
115 | } |
87 | |
116 | |
88 | bool render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y); |
117 | void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1.); |
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118 | #if 0 |
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119 | void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1., |
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120 | nv px, nv py, nv qx, nv qy, nv rx, nv ry, nv sx, nv sy); |
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121 | #endif |
89 | |
122 | |
90 | // copy |
123 | // copy |
91 | rxvt_img *reify (); // make x, y 0, make real width/height |
124 | rxvt_img *reify (); // make x, y 0, make real width/height |
92 | rxvt_img *blur (int rh, int rv); |
125 | rxvt_img *blur (int rh, int rv); |
93 | rxvt_img *clone (); |
126 | rxvt_img *clone (); |
94 | rxvt_img *sub_rect (int x, int y, int width, int height); |
127 | rxvt_img *sub_rect (int x, int y, int width, int height); |
95 | rxvt_img *transform (int new_width, int new_height, double matrix[9]); |
128 | rxvt_img *transform (const nv matrix[3][3]); |
96 | rxvt_img *scale (int new_width, int new_height); |
129 | rxvt_img *scale (int new_width, int new_height); |
97 | rxvt_img *rotate (int new_width, int new_height, int x, int y, double phi); |
130 | rxvt_img *rotate (int cx, int cy, nv phi); |
98 | rxvt_img *convert_format (XRenderPictFormat *format, const rxvt_color &bg); |
131 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
99 | rxvt_img *blend (rxvt_img *img, double factor); |
132 | rxvt_img *tint (const rgba &c); |
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133 | rxvt_img *filter (const char *name, int nparams = 0, nv *params = 0); |
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134 | rxvt_img *muladd (nv mul, nv add); // general multiply and add, implemen ted as the biggets hack ever :/ |
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135 | |
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136 | // egregiuous helper category |
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137 | rxvt_img *replace (rxvt_img *&p) |
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138 | { |
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139 | delete p; |
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140 | p = this; |
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141 | return this; |
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142 | } |
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143 | |
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144 | /* these are considered private */ |
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145 | void destroy (); |
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146 | rxvt_img *new_empty (); |
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147 | Picture picture (); |
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148 | rxvt_img *transform (const nv *matrix); |
100 | }; |
149 | }; |
101 | |
150 | |
102 | #endif |
151 | #endif |
103 | |
152 | |
104 | #endif |
153 | #endif |