1 | /*----------------------------------------------------------------------* |
1 | /*----------------------------------------------------------------------* |
2 | * File: rxvtimg.C |
2 | * File: rxvtimg.h |
3 | *----------------------------------------------------------------------* |
3 | *----------------------------------------------------------------------* |
4 | * |
4 | * |
5 | * All portions of code are copyright by their respective author/s. |
5 | * All portions of code are copyright by their respective author/s. |
6 | * Copyright (c) 2012 Marc Lehmann <schmorp@schmorp.de> |
6 | * Copyright (c) 2012 Marc Lehmann <schmorp@schmorp.de> |
7 | * Copyright (c) 2012 Emanuele Giaquinta <e.giaquinta@glauco.it> |
7 | * Copyright (c) 2012 Emanuele Giaquinta <e.giaquinta@glauco.it> |
8 | * |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
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 |
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 |
11 | * the Free Software Foundation; either version 3 of the License, or |
12 | * (at your option) any later version. |
12 | * (at your option) any later version. |
13 | * |
13 | * |
14 | * This program is distributed in the hope that it will be useful, |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
22 | *---------------------------------------------------------------------*/ |
22 | *---------------------------------------------------------------------*/ |
23 | |
23 | |
24 | #ifndef IMG_H |
24 | #ifndef IMG_H |
25 | #define IMG_H |
25 | #define IMG_H |
26 | |
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27 | #if HAVE_BG_PIXMAP |
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28 | #define HAVE_IMG 1 |
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29 | #endif |
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30 | |
26 | |
31 | #if HAVE_IMG |
27 | #if HAVE_IMG |
32 | |
28 | |
33 | #define float_to_component(d) (int32_t)((d) * 65535.99) |
29 | #define float_to_component(d) (int32_t)((d) * 65535.99) |
34 | |
30 | |
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49 | : cnt(1), w(w), h(h), ours(true) |
45 | : cnt(1), w(w), h(h), ours(true) |
50 | { |
46 | { |
51 | } |
47 | } |
52 | }; |
48 | }; |
53 | |
49 | |
54 | rxvt_screen *s; |
50 | rxvt_display *d; |
55 | Pixmap pm; |
51 | Pixmap pm; |
56 | pixref *ref; // shared refcnt |
52 | pixref *ref; // shared refcnt |
57 | int x, y, w, h, repeat; |
53 | int x, y, w, h, repeat; |
58 | XRenderPictFormat *format; |
54 | XRenderPictFormat *format; |
59 | |
55 | |
60 | 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); |
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57 | rxvt_img (rxvt_display *display, XRenderPictFormat *format, int x, int y, int width, int height, int repeat = RepeatNormal); |
61 | rxvt_img (const rxvt_img &img); |
58 | rxvt_img (const rxvt_img &img); |
62 | void alloc (); |
59 | void alloc (); |
63 | |
60 | |
64 | # if HAVE_PIXBUF |
61 | # if HAVE_PIXBUF |
65 | 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 |
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87 | this->repeat = repeat; |
84 | this->repeat = repeat; |
88 | } |
85 | } |
89 | |
86 | |
90 | void unshare (); // prepare for write |
87 | void unshare (); // prepare for write |
91 | void fill (const rgba &c); |
88 | void fill (const rgba &c); |
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89 | void fill (const rgba &c, int x, int y, int w, int h); |
92 | void add_alpha (); |
90 | void add_alpha (); |
93 | //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); |
94 | //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); |
95 | //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); |
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94 | |
96 | 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); |
97 | 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); |
98 | |
97 | |
99 | void brightness (nv r, nv g, nv b, nv a = 1.) |
98 | void brightness (nv r, nv g, nv b, nv a = 1.) |
100 | { |
99 | { |
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125 | 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); |
126 | rxvt_img *transform (const nv matrix[3][3]); |
125 | rxvt_img *transform (const nv matrix[3][3]); |
127 | rxvt_img *scale (int new_width, int new_height); |
126 | rxvt_img *scale (int new_width, int new_height); |
128 | rxvt_img *rotate (int cx, int cy, nv phi); |
127 | rxvt_img *rotate (int cx, int cy, nv phi); |
129 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
128 | rxvt_img *convert_format (XRenderPictFormat *format, const rgba &bg); |
130 | rxvt_img *blend (rxvt_img *img, nv factor = 1.); |
129 | rxvt_img *tint (const rgba &c); |
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130 | rxvt_img *shade (nv factor, rgba c = rgba (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC)); |
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131 | rxvt_img *filter (const char *name, int nparams = 0, nv *params = 0); |
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132 | rxvt_img *muladd (nv mul, nv add); // general multiply and add, implemented as the biggest hack ever :/ |
131 | |
133 | |
132 | // egregiuous helper category |
134 | // egregious helper category |
133 | rxvt_img *replace (rxvt_img *&p) |
135 | rxvt_img *replace (rxvt_img *&p) |
134 | { |
136 | { |
135 | delete p; |
137 | delete p; |
136 | p = this; |
138 | p = this; |
137 | return this; |
139 | return this; |
138 | } |
140 | } |
139 | |
141 | |
140 | private: |
142 | /* these are considered private */ |
141 | |
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142 | void destroy (); |
143 | void destroy (); |
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144 | rxvt_img *new_empty (); |
143 | Picture picture (); |
145 | Picture picture (); |
144 | rxvt_img *transform (const nv *matrix); |
146 | rxvt_img *transform (const nv *matrix); |
145 | }; |
147 | }; |
146 | |
148 | |
147 | #endif |
149 | #endif |