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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 |
27 | #if HAVE_BG_PIXMAP |
5 | #define HAVE_IMG 1 |
28 | #define HAVE_IMG 1 |
6 | #endif |
29 | #endif |
… | |
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9 | |
32 | |
10 | #define float_to_component(d) (int32_t)((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 destroy (); |
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17 | Picture picture (); |
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18 | |
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19 | public: |
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20 | typedef double nv; |
39 | typedef double nv; |
21 | |
40 | |
22 | // *could* also hold the Pixmap itself |
41 | // *could* also hold the Pixmap itself |
23 | struct pixref |
42 | struct pixref |
24 | { |
43 | { |
… | |
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68 | this->repeat = repeat; |
87 | this->repeat = repeat; |
69 | } |
88 | } |
70 | |
89 | |
71 | void unshare (); // prepare for write |
90 | void unshare (); // prepare for write |
72 | void fill (const rgba &c); |
91 | void fill (const rgba &c); |
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92 | void fill (const rgba &c, int x, int y, int w, int h); |
73 | void add_alpha (); |
93 | void add_alpha (); |
74 | //void linear_gradient (const XLinearGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
94 | //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); |
95 | //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); |
96 | //void conical_gradient (const XConicalGradient *gradient, const XFixed *stops, const XRenderColor *colors, int nstops); |
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97 | |
77 | void brightness (int32_t r, int32_t g, int32_t b, int32_t a); |
98 | 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); |
99 | void contrast (int32_t r, int32_t g, int32_t b, int32_t a); |
79 | |
100 | |
80 | void brightness (nv r, nv g, nv b, nv a = 1.) |
101 | void brightness (nv r, nv g, nv b, nv a = 1.) |
81 | { |
102 | { |
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92 | float_to_component (b), |
113 | float_to_component (b), |
93 | float_to_component (a)); |
114 | float_to_component (a)); |
94 | } |
115 | } |
95 | |
116 | |
96 | void draw (rxvt_img *img, int op = PictOpOver, nv mask = 1.); |
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 |
97 | |
122 | |
98 | // copy |
123 | // copy |
99 | rxvt_img *reify (); // make x, y 0, make real width/height |
124 | rxvt_img *reify (); // make x, y 0, make real width/height |
100 | rxvt_img *blur (int rh, int rv); |
125 | rxvt_img *blur (int rh, int rv); |
101 | rxvt_img *clone (); |
126 | rxvt_img *clone (); |
102 | 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); |
103 | rxvt_img *transform (nv matrix[3][3]); |
128 | rxvt_img *transform (const nv matrix[3][3]); |
104 | rxvt_img *scale (int new_width, int new_height); |
129 | rxvt_img *scale (int new_width, int new_height); |
105 | rxvt_img *rotate (int cx, int cy, nv phi); |
130 | rxvt_img *rotate (int cx, int cy, nv phi); |
106 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
131 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
107 | rxvt_img *blend (rxvt_img *img, nv factor = 1.); |
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 :/ |
108 | |
135 | |
109 | // egregiuous helper category |
136 | // egregiuous helper category |
110 | rxvt_img *replace (rxvt_img *&p) |
137 | rxvt_img *replace (rxvt_img *&p) |
111 | { |
138 | { |
112 | delete p; |
139 | delete p; |
113 | p = this; |
140 | p = this; |
114 | return this; |
141 | return this; |
115 | } |
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); |
116 | }; |
149 | }; |
117 | |
150 | |
118 | #endif |
151 | #endif |
119 | |
152 | |
120 | #endif |
153 | #endif |