1 |
root |
1.96 |
/*----------------------------------------------------------------------* |
2 |
sf-exg |
1.97 |
* File: rxvtimg.C |
3 |
root |
1.96 |
*----------------------------------------------------------------------* |
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 |
|
|
|
24 |
root |
1.92 |
#include <string.h> |
25 |
sf-exg |
1.6 |
#include <math.h> |
26 |
root |
1.1 |
#include "../config.h" |
27 |
|
|
#include "rxvt.h" |
28 |
|
|
|
29 |
|
|
#if HAVE_IMG |
30 |
|
|
|
31 |
root |
1.92 |
typedef rxvt_img::nv nv; |
32 |
|
|
|
33 |
root |
1.93 |
namespace |
34 |
root |
1.92 |
{ |
35 |
root |
1.93 |
struct mat3x3 |
36 |
root |
1.92 |
{ |
37 |
root |
1.93 |
nv v[3][3]; |
38 |
|
|
|
39 |
|
|
mat3x3 () |
40 |
|
|
{ |
41 |
|
|
} |
42 |
|
|
|
43 |
root |
1.95 |
mat3x3 (const nv *matrix) |
44 |
root |
1.93 |
{ |
45 |
|
|
memcpy (v, matrix, sizeof (v)); |
46 |
|
|
} |
47 |
root |
1.92 |
|
48 |
root |
1.93 |
mat3x3 (nv v11, nv v12, nv v13, nv v21, nv v22, nv v23, nv v31, nv v32, nv v33) |
49 |
|
|
{ |
50 |
|
|
v[0][0] = v11; v[0][1] = v12; v[0][2] = v13; |
51 |
|
|
v[1][0] = v21; v[1][1] = v22; v[1][2] = v23; |
52 |
|
|
v[2][0] = v31; v[2][1] = v32; v[2][2] = v33; |
53 |
|
|
} |
54 |
root |
1.92 |
|
55 |
root |
1.98 |
mat3x3 inverse (); |
56 |
root |
1.92 |
|
57 |
root |
1.93 |
nv *operator [](int i) { return &v[i][0]; } |
58 |
|
|
const nv *operator [](int i) const { return &v[i][0]; } |
59 |
root |
1.92 |
|
60 |
root |
1.95 |
operator const nv * () const { return &v[0][0]; } |
61 |
|
|
operator nv * () { return &v[0][0]; } |
62 |
|
|
|
63 |
root |
1.93 |
// quite inefficient, hopefully gcc pulls the w calc out of any loops |
64 |
|
|
nv apply1 (int i, nv x, nv y) |
65 |
|
|
{ |
66 |
|
|
mat3x3 &m = *this; |
67 |
root |
1.92 |
|
68 |
root |
1.93 |
nv v = m[i][0] * x + m[i][1] * y + m[i][2]; |
69 |
|
|
nv w = m[2][0] * x + m[2][1] * y + m[2][2]; |
70 |
root |
1.92 |
|
71 |
root |
1.93 |
return v * (1. / w); |
72 |
|
|
} |
73 |
root |
1.92 |
|
74 |
root |
1.93 |
static mat3x3 translate (nv x, nv y); |
75 |
root |
1.95 |
static mat3x3 scale (nv s, nv t); |
76 |
|
|
static mat3x3 rotate (nv phi); |
77 |
root |
1.93 |
}; |
78 |
root |
1.92 |
|
79 |
root |
1.93 |
mat3x3 |
80 |
root |
1.98 |
mat3x3::inverse () |
81 |
root |
1.93 |
{ |
82 |
|
|
mat3x3 &m = *this; |
83 |
|
|
mat3x3 inv; |
84 |
root |
1.92 |
|
85 |
root |
1.93 |
nv s0 = m[2][2] * m[1][1] - m[2][1] * m[1][2]; |
86 |
|
|
nv s1 = m[2][1] * m[0][2] - m[2][2] * m[0][1]; |
87 |
|
|
nv s2 = m[1][2] * m[0][1] - m[1][1] * m[0][2]; |
88 |
root |
1.92 |
|
89 |
root |
1.93 |
nv invdet = 1. / (m[0][0] * s0 + m[1][0] * s1 + m[2][0] * s2); |
90 |
root |
1.92 |
|
91 |
root |
1.93 |
inv[0][0] = invdet * s0; |
92 |
|
|
inv[0][1] = invdet * s1; |
93 |
|
|
inv[0][2] = invdet * s2; |
94 |
root |
1.92 |
|
95 |
root |
1.93 |
inv[1][0] = invdet * (m[2][0] * m[1][2] - m[2][2] * m[1][0]); |
96 |
|
|
inv[1][1] = invdet * (m[2][2] * m[0][0] - m[2][0] * m[0][2]); |
97 |
|
|
inv[1][2] = invdet * (m[1][0] * m[0][2] - m[1][2] * m[0][0]); |
98 |
root |
1.92 |
|
99 |
root |
1.93 |
inv[2][0] = invdet * (m[2][1] * m[1][0] - m[2][0] * m[1][1]); |
100 |
|
|
inv[2][1] = invdet * (m[2][0] * m[0][1] - m[2][1] * m[0][0]); |
101 |
|
|
inv[2][2] = invdet * (m[1][1] * m[0][0] - m[1][0] * m[0][1]); |
102 |
root |
1.92 |
|
103 |
root |
1.93 |
return inv; |
104 |
|
|
} |
105 |
root |
1.92 |
|
106 |
root |
1.93 |
static mat3x3 |
107 |
|
|
operator *(const mat3x3 &a, const mat3x3 &b) |
108 |
|
|
{ |
109 |
|
|
mat3x3 r; |
110 |
root |
1.92 |
|
111 |
root |
1.93 |
for (int i = 0; i < 3; ++i) |
112 |
|
|
for (int j = 0; j < 3; ++j) |
113 |
|
|
r[i][j] = a[i][0] * b[0][j] |
114 |
|
|
+ a[i][1] * b[1][j] |
115 |
|
|
+ a[i][2] * b[2][j]; |
116 |
root |
1.92 |
|
117 |
root |
1.93 |
return r; |
118 |
|
|
} |
119 |
root |
1.92 |
|
120 |
root |
1.93 |
mat3x3 |
121 |
|
|
mat3x3::translate (nv x, nv y) |
122 |
|
|
{ |
123 |
|
|
return mat3x3 ( |
124 |
|
|
1, 0, x, |
125 |
|
|
0, 1, y, |
126 |
|
|
0, 0, 1 |
127 |
|
|
); |
128 |
|
|
} |
129 |
root |
1.92 |
|
130 |
root |
1.95 |
mat3x3 |
131 |
|
|
mat3x3::scale (nv s, nv t) |
132 |
|
|
{ |
133 |
|
|
return mat3x3 ( |
134 |
|
|
s, 0, 0, |
135 |
|
|
0, t, 0, |
136 |
|
|
0, 0, 1 |
137 |
|
|
); |
138 |
|
|
} |
139 |
|
|
|
140 |
|
|
// clockwise |
141 |
|
|
mat3x3 |
142 |
|
|
mat3x3::rotate (nv phi) |
143 |
|
|
{ |
144 |
|
|
nv s = sin (phi); |
145 |
|
|
nv c = cos (phi); |
146 |
|
|
|
147 |
|
|
return mat3x3 ( |
148 |
|
|
c, -s, 0, |
149 |
|
|
s, c, 0, |
150 |
|
|
0, 0, 1 |
151 |
|
|
); |
152 |
|
|
} |
153 |
|
|
|
154 |
root |
1.98 |
struct composer |
155 |
|
|
{ |
156 |
|
|
rxvt_img *srcimg, *dstimg; |
157 |
|
|
Picture src, dst, msk; |
158 |
|
|
Display *dpy; |
159 |
|
|
|
160 |
|
|
ecb_noinline |
161 |
|
|
composer (rxvt_img *srcimg, rxvt_img *dstimg = 0) |
162 |
|
|
: srcimg (srcimg), dstimg (dstimg), msk (0) |
163 |
|
|
{ |
164 |
|
|
if (!this->dstimg) |
165 |
|
|
this->dstimg = srcimg->new_empty (); |
166 |
|
|
else if (!this->dstimg->pm) // somewhat unsatisfying |
167 |
|
|
this->dstimg->alloc (); |
168 |
|
|
|
169 |
|
|
dpy = srcimg->s->dpy; |
170 |
|
|
src = srcimg->picture (); |
171 |
|
|
dst = this->dstimg->picture (); |
172 |
|
|
} |
173 |
|
|
|
174 |
|
|
ecb_noinline |
175 |
root |
1.101 |
void mask (bool rgb = true, int w = 1, int h = 1) |
176 |
root |
1.98 |
{ |
177 |
root |
1.101 |
Pixmap pixmap = XCreatePixmap (dpy, srcimg->pm, w, h, rgb ? 32 : 8); |
178 |
root |
1.98 |
|
179 |
|
|
XRenderPictFormat *format = XRenderFindStandardFormat (dpy, rgb ? PictStandardARGB32 : PictStandardA8); |
180 |
|
|
XRenderPictureAttributes pa; |
181 |
|
|
pa.repeat = RepeatNormal; |
182 |
|
|
pa.component_alpha = rgb; |
183 |
|
|
msk = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
184 |
|
|
|
185 |
|
|
XFreePixmap (dpy, pixmap); |
186 |
|
|
|
187 |
|
|
ecb_assume (msk); |
188 |
|
|
} |
189 |
root |
1.92 |
|
190 |
root |
1.98 |
// CreateSolidFill creates a very very very weird picture |
191 |
|
|
void mask (const rgba &c) |
192 |
|
|
{ |
193 |
|
|
XRenderColor rc = { |
194 |
|
|
c.r * c.a / 65535, |
195 |
|
|
c.g * c.a / 65535, |
196 |
|
|
c.b * c.a / 65535, |
197 |
|
|
c.a |
198 |
|
|
}; |
199 |
|
|
msk = XRenderCreateSolidFill (dpy, &rc); |
200 |
|
|
ecb_assume (msk); |
201 |
|
|
} |
202 |
root |
1.85 |
|
203 |
root |
1.98 |
void fill (const rgba &c) |
204 |
|
|
{ |
205 |
|
|
XRenderColor rc = { |
206 |
|
|
c.r * c.a / 65535, |
207 |
|
|
c.g * c.a / 65535, |
208 |
|
|
c.b * c.a / 65535, |
209 |
|
|
c.a |
210 |
|
|
}; |
211 |
root |
1.85 |
|
212 |
root |
1.98 |
XRenderFillRectangle (dpy, PictOpSrc, msk, &rc, 0, 0, 1, 1); |
213 |
|
|
} |
214 |
root |
1.85 |
|
215 |
root |
1.98 |
operator rxvt_img *() |
216 |
|
|
{ |
217 |
|
|
return dstimg; |
218 |
|
|
} |
219 |
root |
1.85 |
|
220 |
root |
1.98 |
ecb_noinline |
221 |
|
|
~composer () |
222 |
|
|
{ |
223 |
|
|
XRenderFreePicture (dpy, src); |
224 |
|
|
XRenderFreePicture (dpy, dst); |
225 |
|
|
if (msk) XRenderFreePicture (dpy, msk); |
226 |
|
|
} |
227 |
|
|
}; |
228 |
|
|
} |
229 |
root |
1.85 |
|
230 |
root |
1.83 |
static XRenderPictFormat * |
231 |
|
|
find_alpha_format_for (Display *dpy, XRenderPictFormat *format) |
232 |
|
|
{ |
233 |
|
|
if (format->direct.alphaMask) |
234 |
|
|
return format; // already has alpha |
235 |
|
|
|
236 |
|
|
// try to find a suitable alpha format, one bit alpha is enough for our purposes |
237 |
|
|
if (format->type == PictTypeDirect) |
238 |
|
|
for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n) |
239 |
|
|
if (f->direct.alphaMask |
240 |
|
|
&& f->type == PictTypeDirect |
241 |
|
|
&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask ) |
242 |
|
|
&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask) |
243 |
|
|
&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask )) |
244 |
|
|
return f; |
245 |
|
|
|
246 |
|
|
// should be a very good fallback |
247 |
|
|
return XRenderFindStandardFormat (dpy, PictStandardARGB32); |
248 |
|
|
} |
249 |
|
|
|
250 |
root |
1.41 |
rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height, int repeat) |
251 |
|
|
: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat), |
252 |
root |
1.34 |
pm(0), ref(0) |
253 |
root |
1.1 |
{ |
254 |
|
|
} |
255 |
|
|
|
256 |
root |
1.32 |
rxvt_img::rxvt_img (const rxvt_img &img) |
257 |
root |
1.34 |
: s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref) |
258 |
root |
1.32 |
{ |
259 |
root |
1.34 |
++ref->cnt; |
260 |
root |
1.32 |
} |
261 |
|
|
|
262 |
root |
1.4 |
rxvt_img * |
263 |
sf-exg |
1.21 |
rxvt_img::new_from_root (rxvt_screen *s) |
264 |
|
|
{ |
265 |
root |
1.98 |
Display *dpy = s->dpy; |
266 |
sf-exg |
1.21 |
unsigned int root_pm_w, root_pm_h; |
267 |
root |
1.98 |
Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa [XA_XROOTPMAP_ID]); |
268 |
sf-exg |
1.21 |
if (root_pixmap == None) |
269 |
root |
1.98 |
root_pixmap = s->display->get_pixmap_property (s->display->xa [XA_ESETROOT_PMAP_ID]); |
270 |
sf-exg |
1.21 |
|
271 |
|
|
if (root_pixmap == None) |
272 |
|
|
return 0; |
273 |
|
|
|
274 |
|
|
Window wdummy; |
275 |
|
|
int idummy; |
276 |
|
|
unsigned int udummy; |
277 |
|
|
|
278 |
|
|
if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy)) |
279 |
|
|
return 0; |
280 |
|
|
|
281 |
|
|
rxvt_img *img = new rxvt_img ( |
282 |
|
|
s, |
283 |
|
|
XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), |
284 |
root |
1.33 |
0, |
285 |
|
|
0, |
286 |
sf-exg |
1.21 |
root_pm_w, |
287 |
root |
1.32 |
root_pm_h |
288 |
sf-exg |
1.21 |
); |
289 |
|
|
|
290 |
root |
1.32 |
img->pm = root_pixmap; |
291 |
root |
1.34 |
img->ref = new pixref (root_pm_w, root_pm_h); |
292 |
|
|
img->ref->ours = false; |
293 |
sf-exg |
1.21 |
|
294 |
|
|
return img; |
295 |
|
|
} |
296 |
|
|
|
297 |
sf-exg |
1.73 |
# if HAVE_PIXBUF |
298 |
root |
1.77 |
|
299 |
sf-exg |
1.21 |
rxvt_img * |
300 |
root |
1.47 |
rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
301 |
|
|
{ |
302 |
root |
1.98 |
Display *dpy = s->dpy; |
303 |
root |
1.48 |
|
304 |
root |
1.47 |
int width = gdk_pixbuf_get_width (pb); |
305 |
|
|
int height = gdk_pixbuf_get_height (pb); |
306 |
|
|
|
307 |
|
|
if (width > 32767 || height > 32767) // well, we *could* upload in chunks |
308 |
|
|
rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n"); |
309 |
|
|
|
310 |
|
|
// since we require rgb24/argb32 formats from xrender we assume |
311 |
|
|
// that both 24 and 32 bpp MUST be supported by any screen that supports xrender |
312 |
|
|
|
313 |
root |
1.54 |
int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
314 |
|
|
|
315 |
root |
1.47 |
XImage xi; |
316 |
|
|
|
317 |
|
|
xi.width = width; |
318 |
|
|
xi.height = height; |
319 |
|
|
xi.xoffset = 0; |
320 |
|
|
xi.format = ZPixmap; |
321 |
root |
1.54 |
xi.byte_order = ImageByteOrder (dpy); |
322 |
root |
1.55 |
xi.bitmap_unit = 0; //XY only, unused |
323 |
|
|
xi.bitmap_bit_order = 0; //XY only, unused |
324 |
root |
1.48 |
xi.bitmap_pad = BitmapPad (dpy); |
325 |
root |
1.76 |
xi.depth = 32; |
326 |
root |
1.47 |
xi.bytes_per_line = 0; |
327 |
root |
1.51 |
xi.bits_per_pixel = 32; //Z only |
328 |
root |
1.52 |
xi.red_mask = 0x00000000; //Z only, unused |
329 |
|
|
xi.green_mask = 0x00000000; //Z only, unused |
330 |
|
|
xi.blue_mask = 0x00000000; //Z only, unused |
331 |
|
|
xi.obdata = 0; // probably unused |
332 |
root |
1.47 |
|
333 |
root |
1.54 |
bool byte_order_mismatch = byte_order != xi.byte_order; |
334 |
|
|
|
335 |
root |
1.47 |
if (!XInitImage (&xi)) |
336 |
|
|
rxvt_fatal ("unable to initialise ximage, please report.\n"); |
337 |
|
|
|
338 |
|
|
if (height > INT_MAX / xi.bytes_per_line) |
339 |
|
|
rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n"); |
340 |
|
|
|
341 |
|
|
xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line); |
342 |
|
|
|
343 |
|
|
int rowstride = gdk_pixbuf_get_rowstride (pb); |
344 |
root |
1.76 |
bool pb_has_alpha = gdk_pixbuf_get_has_alpha (pb); |
345 |
|
|
unsigned char *row = gdk_pixbuf_get_pixels (pb); |
346 |
root |
1.47 |
|
347 |
|
|
char *line = xi.data; |
348 |
|
|
|
349 |
|
|
for (int y = 0; y < height; y++) |
350 |
|
|
{ |
351 |
root |
1.50 |
unsigned char *src = row; |
352 |
|
|
uint32_t *dst = (uint32_t *)line; |
353 |
root |
1.47 |
|
354 |
root |
1.76 |
if (!pb_has_alpha) |
355 |
root |
1.47 |
for (int x = 0; x < width; x++) |
356 |
|
|
{ |
357 |
root |
1.50 |
uint8_t r = *src++; |
358 |
|
|
uint8_t g = *src++; |
359 |
|
|
uint8_t b = *src++; |
360 |
|
|
|
361 |
root |
1.76 |
uint32_t v = (255 << 24) | (r << 16) | (g << 8) | b; |
362 |
sf-exg |
1.97 |
|
363 |
root |
1.56 |
if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
364 |
root |
1.54 |
v = ecb_bswap32 (v); |
365 |
|
|
|
366 |
root |
1.51 |
*dst++ = v; |
367 |
root |
1.47 |
} |
368 |
|
|
else |
369 |
|
|
for (int x = 0; x < width; x++) |
370 |
|
|
{ |
371 |
root |
1.50 |
uint32_t v = *(uint32_t *)src; src += 4; |
372 |
root |
1.51 |
|
373 |
root |
1.57 |
if (ecb_big_endian ()) |
374 |
root |
1.51 |
v = ecb_bswap32 (v); |
375 |
|
|
|
376 |
root |
1.58 |
v = ecb_rotl32 (v, 8); // abgr to bgra |
377 |
root |
1.52 |
|
378 |
root |
1.57 |
if (!byte_order_mismatch) |
379 |
root |
1.54 |
v = ecb_bswap32 (v); |
380 |
|
|
|
381 |
root |
1.51 |
*dst++ = v; |
382 |
root |
1.47 |
} |
383 |
|
|
|
384 |
|
|
row += rowstride; |
385 |
root |
1.50 |
line += xi.bytes_per_line; |
386 |
root |
1.47 |
} |
387 |
|
|
|
388 |
root |
1.76 |
rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, PictStandardARGB32), 0, 0, width, height); |
389 |
root |
1.47 |
img->alloc (); |
390 |
|
|
|
391 |
|
|
GC gc = XCreateGC (dpy, img->pm, 0, 0); |
392 |
|
|
XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height); |
393 |
|
|
XFreeGC (dpy, gc); |
394 |
|
|
|
395 |
|
|
free (xi.data); |
396 |
|
|
|
397 |
|
|
return img; |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
rxvt_img * |
401 |
root |
1.4 |
rxvt_img::new_from_file (rxvt_screen *s, const char *filename) |
402 |
|
|
{ |
403 |
root |
1.11 |
GError *err = 0; |
404 |
root |
1.4 |
GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); |
405 |
|
|
|
406 |
|
|
if (!pb) |
407 |
root |
1.11 |
rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); |
408 |
root |
1.4 |
|
409 |
root |
1.47 |
rxvt_img *img = new_from_pixbuf (s, pb); |
410 |
root |
1.4 |
|
411 |
sf-exg |
1.26 |
g_object_unref (pb); |
412 |
|
|
|
413 |
root |
1.4 |
return img; |
414 |
|
|
} |
415 |
root |
1.77 |
|
416 |
sf-exg |
1.73 |
# endif |
417 |
root |
1.4 |
|
418 |
root |
1.32 |
void |
419 |
|
|
rxvt_img::destroy () |
420 |
|
|
{ |
421 |
root |
1.34 |
if (--ref->cnt) |
422 |
root |
1.32 |
return; |
423 |
|
|
|
424 |
root |
1.34 |
if (pm && ref->ours) |
425 |
root |
1.98 |
XFreePixmap (s->dpy, pm); |
426 |
root |
1.32 |
|
427 |
root |
1.34 |
delete ref; |
428 |
root |
1.32 |
} |
429 |
|
|
|
430 |
root |
1.1 |
rxvt_img::~rxvt_img () |
431 |
|
|
{ |
432 |
root |
1.32 |
destroy (); |
433 |
|
|
} |
434 |
|
|
|
435 |
|
|
void |
436 |
|
|
rxvt_img::alloc () |
437 |
|
|
{ |
438 |
root |
1.98 |
pm = XCreatePixmap (s->dpy, s->display->root, w, h, format->depth); |
439 |
root |
1.34 |
ref = new pixref (w, h); |
440 |
|
|
} |
441 |
|
|
|
442 |
root |
1.98 |
rxvt_img * |
443 |
|
|
rxvt_img::new_empty () |
444 |
|
|
{ |
445 |
|
|
rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
446 |
|
|
img->alloc (); |
447 |
|
|
|
448 |
|
|
return img; |
449 |
|
|
} |
450 |
|
|
|
451 |
root |
1.34 |
Picture |
452 |
root |
1.85 |
rxvt_img::picture () |
453 |
root |
1.34 |
{ |
454 |
root |
1.98 |
Display *dpy = s->dpy; |
455 |
root |
1.34 |
|
456 |
|
|
XRenderPictureAttributes pa; |
457 |
|
|
pa.repeat = repeat; |
458 |
|
|
Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
459 |
|
|
|
460 |
|
|
return pic; |
461 |
root |
1.1 |
} |
462 |
|
|
|
463 |
|
|
void |
464 |
root |
1.11 |
rxvt_img::unshare () |
465 |
|
|
{ |
466 |
root |
1.34 |
if (ref->cnt == 1 && ref->ours) |
467 |
root |
1.11 |
return; |
468 |
|
|
|
469 |
root |
1.98 |
Pixmap pm2 = XCreatePixmap (s->dpy, s->display->root, ref->w, ref->h, format->depth); |
470 |
|
|
GC gc = XCreateGC (s->dpy, pm, 0, 0); |
471 |
|
|
XCopyArea (s->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
472 |
|
|
XFreeGC (s->dpy, gc); |
473 |
root |
1.11 |
|
474 |
root |
1.32 |
destroy (); |
475 |
root |
1.11 |
|
476 |
root |
1.32 |
pm = pm2; |
477 |
root |
1.34 |
ref = new pixref (ref->w, ref->h); |
478 |
root |
1.11 |
} |
479 |
|
|
|
480 |
|
|
void |
481 |
root |
1.100 |
rxvt_img::fill (const rgba &c, int x, int y, int w, int h) |
482 |
root |
1.1 |
{ |
483 |
root |
1.82 |
XRenderColor rc = { c.r, c.g, c.b, c.a }; |
484 |
root |
1.77 |
|
485 |
root |
1.98 |
Display *dpy = s->dpy; |
486 |
root |
1.85 |
Picture src = picture (); |
487 |
root |
1.100 |
XRenderFillRectangle (dpy, PictOpSrc, src, &rc, x, y, w, h); |
488 |
root |
1.77 |
XRenderFreePicture (dpy, src); |
489 |
root |
1.1 |
} |
490 |
|
|
|
491 |
root |
1.83 |
void |
492 |
root |
1.100 |
rxvt_img::fill (const rgba &c) |
493 |
|
|
{ |
494 |
|
|
fill (c, 0, 0, w, h); |
495 |
|
|
} |
496 |
|
|
|
497 |
|
|
void |
498 |
root |
1.83 |
rxvt_img::add_alpha () |
499 |
|
|
{ |
500 |
|
|
if (format->direct.alphaMask) |
501 |
|
|
return; |
502 |
|
|
|
503 |
root |
1.98 |
composer cc (this, new rxvt_img (s, find_alpha_format_for (s->dpy, format), x, y, w, h, repeat)); |
504 |
|
|
|
505 |
|
|
XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
506 |
root |
1.83 |
|
507 |
root |
1.98 |
rxvt_img *img = cc; |
508 |
root |
1.83 |
|
509 |
|
|
::swap (img->ref, ref); |
510 |
|
|
::swap (img->pm , pm ); |
511 |
|
|
|
512 |
|
|
delete img; |
513 |
|
|
} |
514 |
|
|
|
515 |
sf-exg |
1.6 |
static void |
516 |
root |
1.92 |
get_gaussian_kernel (int radius, int width, nv *kernel, XFixed *params) |
517 |
sf-exg |
1.6 |
{ |
518 |
root |
1.92 |
nv sigma = radius / 2.0; |
519 |
|
|
nv scale = sqrt (2.0 * M_PI) * sigma; |
520 |
|
|
nv sum = 0.0; |
521 |
sf-exg |
1.6 |
|
522 |
|
|
for (int i = 0; i < width; i++) |
523 |
|
|
{ |
524 |
root |
1.92 |
nv x = i - width / 2; |
525 |
sf-exg |
1.6 |
kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale; |
526 |
|
|
sum += kernel[i]; |
527 |
|
|
} |
528 |
|
|
|
529 |
|
|
params[0] = XDoubleToFixed (width); |
530 |
|
|
params[1] = XDoubleToFixed (1); |
531 |
|
|
|
532 |
|
|
for (int i = 0; i < width; i++) |
533 |
|
|
params[i+2] = XDoubleToFixed (kernel[i] / sum); |
534 |
|
|
} |
535 |
|
|
|
536 |
sf-exg |
1.22 |
rxvt_img * |
537 |
root |
1.3 |
rxvt_img::blur (int rh, int rv) |
538 |
|
|
{ |
539 |
sf-exg |
1.6 |
if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) |
540 |
sf-exg |
1.22 |
return clone (); |
541 |
sf-exg |
1.6 |
|
542 |
root |
1.98 |
Display *dpy = s->dpy; |
543 |
sf-exg |
1.6 |
int size = max (rh, rv) * 2 + 1; |
544 |
root |
1.84 |
nv *kernel = (nv *)malloc (size * sizeof (nv)); |
545 |
sf-exg |
1.6 |
XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
546 |
root |
1.98 |
rxvt_img *img = new_empty (); |
547 |
sf-exg |
1.6 |
|
548 |
|
|
XRenderPictureAttributes pa; |
549 |
|
|
pa.repeat = RepeatPad; |
550 |
sf-exg |
1.61 |
Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
551 |
|
|
Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
552 |
sf-exg |
1.22 |
|
553 |
|
|
Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
554 |
|
|
Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
555 |
|
|
XFreePixmap (dpy, tmp_pm); |
556 |
sf-exg |
1.6 |
|
557 |
|
|
if (kernel && params) |
558 |
|
|
{ |
559 |
|
|
size = rh * 2 + 1; |
560 |
|
|
get_gaussian_kernel (rh, size, kernel, params); |
561 |
|
|
|
562 |
|
|
XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
563 |
|
|
XRenderComposite (dpy, |
564 |
|
|
PictOpSrc, |
565 |
|
|
src, |
566 |
|
|
None, |
567 |
sf-exg |
1.22 |
tmp, |
568 |
sf-exg |
1.6 |
0, 0, |
569 |
|
|
0, 0, |
570 |
|
|
0, 0, |
571 |
|
|
w, h); |
572 |
|
|
|
573 |
|
|
size = rv * 2 + 1; |
574 |
|
|
get_gaussian_kernel (rv, size, kernel, params); |
575 |
|
|
::swap (params[0], params[1]); |
576 |
|
|
|
577 |
sf-exg |
1.60 |
XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
578 |
sf-exg |
1.6 |
XRenderComposite (dpy, |
579 |
|
|
PictOpSrc, |
580 |
sf-exg |
1.22 |
tmp, |
581 |
sf-exg |
1.6 |
None, |
582 |
|
|
dst, |
583 |
|
|
0, 0, |
584 |
|
|
0, 0, |
585 |
|
|
0, 0, |
586 |
|
|
w, h); |
587 |
|
|
} |
588 |
|
|
|
589 |
|
|
free (kernel); |
590 |
|
|
free (params); |
591 |
root |
1.77 |
|
592 |
sf-exg |
1.6 |
XRenderFreePicture (dpy, src); |
593 |
|
|
XRenderFreePicture (dpy, dst); |
594 |
sf-exg |
1.22 |
XRenderFreePicture (dpy, tmp); |
595 |
|
|
|
596 |
|
|
return img; |
597 |
sf-exg |
1.6 |
} |
598 |
|
|
|
599 |
root |
1.101 |
rxvt_img * |
600 |
|
|
rxvt_img::muladd (nv mul, nv add) |
601 |
|
|
{ |
602 |
|
|
// STEP 1: double the image width, fill all odd columns with white (==1) |
603 |
|
|
|
604 |
|
|
composer cc (this, new rxvt_img (s, format, 0, 0, w * 2, h, repeat)); |
605 |
|
|
|
606 |
|
|
// why the hell does XRenderSetPictureTransform want a writable matrix :( |
607 |
|
|
// that keeps us from just static const'ing this matrix. |
608 |
|
|
XTransform h_double = { |
609 |
|
|
32768, 0, 0, |
610 |
|
|
0, 65536, 0, |
611 |
|
|
0, 0, 65536 |
612 |
|
|
}; |
613 |
|
|
|
614 |
|
|
XRenderSetPictureFilter (cc.dpy, cc.src, "nearest", 0, 0); |
615 |
|
|
XRenderSetPictureTransform (cc.dpy, cc.src, &h_double); |
616 |
|
|
XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, 0, 0, w * 2, h); |
617 |
|
|
|
618 |
|
|
cc.mask (false, 2, 1); |
619 |
|
|
|
620 |
|
|
static const XRenderColor c0 = { 0, 0, 0, 0 }; |
621 |
|
|
XRenderFillRectangle (cc.dpy, PictOpSrc, cc.msk, &c0, 0, 0, 1, 1); |
622 |
|
|
static const XRenderColor c1 = { 65535, 65535, 65535, 65535 }; |
623 |
|
|
XRenderFillRectangle (cc.dpy, PictOpSrc, cc.msk, &c1, 1, 0, 1, 1); |
624 |
|
|
|
625 |
|
|
Picture white = XRenderCreateSolidFill (cc.dpy, &c1); |
626 |
|
|
|
627 |
|
|
XRenderComposite (cc.dpy, PictOpOver, white, cc.msk, cc.dst, 0, 0, 0, 0, 0, 0, w * 2, h); |
628 |
|
|
|
629 |
|
|
XRenderFreePicture (cc.dpy, white); |
630 |
|
|
|
631 |
|
|
// STEP 2: convolve the image with a 3x1 filter |
632 |
|
|
// a 2x1 filter would obviously suffice, but given the total lack of specification |
633 |
|
|
// for xrender, I expect different xrender implementations to randomly diverge. |
634 |
|
|
// we also halve the image, and hope for the best (again, for lack of specs). |
635 |
|
|
composer cc2 (cc.dstimg); |
636 |
|
|
|
637 |
|
|
XFixed kernel [] = { |
638 |
|
|
XDoubleToFixed (3), XDoubleToFixed (1), |
639 |
|
|
XDoubleToFixed (0), XDoubleToFixed (mul), XDoubleToFixed (add) |
640 |
|
|
}; |
641 |
|
|
|
642 |
|
|
XTransform h_halve = { |
643 |
|
|
131072, 0, 0, |
644 |
|
|
0, 65536, 0, |
645 |
|
|
0, 0, 65536 |
646 |
|
|
}; |
647 |
|
|
|
648 |
|
|
XRenderSetPictureFilter (cc.dpy, cc2.src, "nearest", 0, 0); |
649 |
|
|
XRenderSetPictureTransform (cc.dpy, cc2.src, &h_halve); |
650 |
|
|
XRenderSetPictureFilter (cc.dpy, cc2.src, FilterConvolution, kernel, ecb_array_length (kernel)); |
651 |
|
|
|
652 |
|
|
XRenderComposite (cc.dpy, PictOpSrc, cc2.src, None, cc2.dst, 0, 0, 0, 0, 0, 0, w * 2, h); |
653 |
|
|
|
654 |
|
|
return cc2; |
655 |
|
|
} |
656 |
|
|
|
657 |
root |
1.98 |
ecb_noinline static void |
658 |
root |
1.67 |
extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
659 |
|
|
{ |
660 |
|
|
int32_t x = clamp (c, cl0, cl1); |
661 |
|
|
c -= x; |
662 |
|
|
xc = x; |
663 |
|
|
} |
664 |
|
|
|
665 |
root |
1.98 |
ecb_noinline static bool |
666 |
root |
1.67 |
extract (int32_t cl0, int32_t cl1, int32_t &r, int32_t &g, int32_t &b, int32_t &a, unsigned short &xr, unsigned short &xg, unsigned short &xb, unsigned short &xa) |
667 |
|
|
{ |
668 |
|
|
extract (cl0, cl1, r, xr); |
669 |
|
|
extract (cl0, cl1, g, xg); |
670 |
|
|
extract (cl0, cl1, b, xb); |
671 |
|
|
extract (cl0, cl1, a, xa); |
672 |
|
|
|
673 |
|
|
return xr | xg | xb | xa; |
674 |
|
|
} |
675 |
|
|
|
676 |
root |
1.3 |
void |
677 |
root |
1.67 |
rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
678 |
root |
1.3 |
{ |
679 |
root |
1.67 |
unshare (); |
680 |
|
|
|
681 |
root |
1.98 |
Display *dpy = s->dpy; |
682 |
sf-exg |
1.6 |
Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
683 |
|
|
|
684 |
root |
1.69 |
// loop should not be needed for brightness, as only -1..1 makes sense |
685 |
root |
1.70 |
//while (r | g | b | a) |
686 |
root |
1.67 |
{ |
687 |
|
|
unsigned short xr, xg, xb, xa; |
688 |
|
|
XRenderColor mask_c; |
689 |
|
|
|
690 |
|
|
if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
691 |
|
|
XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
692 |
|
|
|
693 |
|
|
if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
694 |
|
|
{ |
695 |
|
|
XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
696 |
|
|
XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
697 |
root |
1.70 |
mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
698 |
root |
1.68 |
mask_c.green = -mask_c.green; |
699 |
|
|
mask_c.blue = -mask_c.blue; |
700 |
|
|
mask_c.alpha = -mask_c.alpha; |
701 |
root |
1.67 |
XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
702 |
|
|
XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
703 |
|
|
} |
704 |
|
|
} |
705 |
sf-exg |
1.6 |
|
706 |
sf-exg |
1.23 |
XRenderFreePicture (dpy, dst); |
707 |
root |
1.3 |
} |
708 |
|
|
|
709 |
|
|
void |
710 |
root |
1.67 |
rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
711 |
root |
1.1 |
{ |
712 |
root |
1.74 |
if (r < 0 || g < 0 || b < 0 || a < 0) |
713 |
|
|
rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
714 |
|
|
|
715 |
|
|
// premultiply (yeah, these are not exact, sue me or fix it) |
716 |
|
|
r = (r * (a >> 8)) >> 8; |
717 |
|
|
g = (g * (a >> 8)) >> 8; |
718 |
|
|
b = (b * (a >> 8)) >> 8; |
719 |
root |
1.67 |
|
720 |
root |
1.98 |
composer cc (this); |
721 |
|
|
rxvt_img *img = cc; |
722 |
|
|
img->fill (rgba (0, 0, 0, 0)); |
723 |
sf-exg |
1.6 |
|
724 |
root |
1.98 |
cc.mask (true); |
725 |
root |
1.74 |
|
726 |
|
|
//TODO: this operator does not yet implement some useful contrast |
727 |
|
|
while (r | g | b | a) |
728 |
|
|
{ |
729 |
|
|
unsigned short xr, xg, xb, xa; |
730 |
|
|
XRenderColor mask_c; |
731 |
|
|
|
732 |
|
|
if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
733 |
|
|
{ |
734 |
root |
1.98 |
XRenderFillRectangle (cc.dpy, PictOpSrc, cc.msk, &mask_c, 0, 0, 1, 1); |
735 |
|
|
XRenderComposite (cc.dpy, PictOpAdd, cc.src, cc.msk, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
736 |
root |
1.74 |
} |
737 |
|
|
} |
738 |
sf-exg |
1.6 |
|
739 |
root |
1.74 |
::swap (img->ref, ref); |
740 |
|
|
::swap (img->pm , pm ); |
741 |
|
|
|
742 |
|
|
delete img; |
743 |
root |
1.1 |
} |
744 |
|
|
|
745 |
root |
1.85 |
void |
746 |
|
|
rxvt_img::draw (rxvt_img *img, int op, nv mask) |
747 |
|
|
{ |
748 |
|
|
unshare (); |
749 |
|
|
|
750 |
root |
1.98 |
composer cc (img, this); |
751 |
|
|
|
752 |
root |
1.85 |
if (mask != 1.) |
753 |
root |
1.98 |
cc.mask (rgba (0, 0, 0, float_to_component (mask))); |
754 |
root |
1.85 |
|
755 |
root |
1.98 |
XRenderComposite (cc.dpy, op, cc.src, cc.msk, cc.dst, x - img->x, y - img->y, 0, 0, 0, 0, w, h); |
756 |
root |
1.85 |
} |
757 |
|
|
|
758 |
root |
1.3 |
rxvt_img * |
759 |
root |
1.11 |
rxvt_img::clone () |
760 |
root |
1.3 |
{ |
761 |
root |
1.32 |
return new rxvt_img (*this); |
762 |
root |
1.3 |
} |
763 |
|
|
|
764 |
|
|
rxvt_img * |
765 |
root |
1.33 |
rxvt_img::reify () |
766 |
root |
1.19 |
{ |
767 |
root |
1.35 |
if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
768 |
|
|
return clone (); |
769 |
|
|
|
770 |
root |
1.62 |
// add an alpha channel if... |
771 |
|
|
bool alpha = !format->direct.alphaMask // pixmap has none yet |
772 |
|
|
&& (x || y) // we need one because of non-zero offset |
773 |
|
|
&& repeat == RepeatNone; // and we have no good pixels to fill with |
774 |
root |
1.40 |
|
775 |
root |
1.98 |
composer cc (this, new rxvt_img (s, alpha ? find_alpha_format_for (s->dpy, format) : format, |
776 |
|
|
0, 0, w, h, repeat)); |
777 |
sf-exg |
1.97 |
|
778 |
root |
1.102 |
if (repeat == RepeatNone) |
779 |
root |
1.42 |
{ |
780 |
|
|
XRenderColor rc = { 0, 0, 0, 0 }; |
781 |
root |
1.98 |
XRenderFillRectangle (cc.dpy, PictOpSrc, cc.dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
782 |
|
|
XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, x, y, ref->w, ref->h); |
783 |
root |
1.42 |
} |
784 |
|
|
else |
785 |
root |
1.98 |
XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, -x, -y, 0, 0, 0, 0, w, h); |
786 |
root |
1.42 |
|
787 |
root |
1.98 |
return cc; |
788 |
root |
1.33 |
} |
789 |
root |
1.19 |
|
790 |
root |
1.33 |
rxvt_img * |
791 |
|
|
rxvt_img::sub_rect (int x, int y, int width, int height) |
792 |
|
|
{ |
793 |
|
|
rxvt_img *img = clone (); |
794 |
|
|
|
795 |
root |
1.86 |
img->x -= x; |
796 |
|
|
img->y -= y; |
797 |
root |
1.19 |
|
798 |
root |
1.37 |
if (w != width || h != height) |
799 |
|
|
{ |
800 |
|
|
img->w = width; |
801 |
|
|
img->h = height; |
802 |
|
|
|
803 |
root |
1.39 |
rxvt_img *img2 = img->reify (); |
804 |
|
|
delete img; |
805 |
|
|
img = img2; |
806 |
root |
1.37 |
} |
807 |
root |
1.36 |
|
808 |
root |
1.19 |
return img; |
809 |
|
|
} |
810 |
|
|
|
811 |
|
|
rxvt_img * |
812 |
root |
1.95 |
rxvt_img::transform (const nv matrix[3][3]) |
813 |
root |
1.3 |
{ |
814 |
root |
1.95 |
return transform (mat3x3 (&matrix[0][0])); |
815 |
|
|
} |
816 |
|
|
|
817 |
|
|
rxvt_img * |
818 |
|
|
rxvt_img::transform (const nv *matrix) |
819 |
|
|
{ |
820 |
|
|
mat3x3 m (matrix); |
821 |
|
|
|
822 |
root |
1.80 |
// calculate new pixel bounding box coordinates |
823 |
root |
1.98 |
nv rmin[2], rmax[2]; |
824 |
root |
1.80 |
|
825 |
|
|
for (int i = 0; i < 2; ++i) |
826 |
|
|
{ |
827 |
root |
1.84 |
nv v; |
828 |
root |
1.90 |
|
829 |
root |
1.98 |
v = m.apply1 (i, 0+x, 0+y); rmin [i] = rmax [i] = v; |
830 |
root |
1.92 |
v = m.apply1 (i, w+x, 0+y); min_it (rmin [i], v); max_it (rmax [i], v); |
831 |
|
|
v = m.apply1 (i, 0+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
832 |
|
|
v = m.apply1 (i, w+x, h+y); min_it (rmin [i], v); max_it (rmax [i], v); |
833 |
root |
1.80 |
} |
834 |
|
|
|
835 |
root |
1.91 |
float sx = rmin [0] - x; |
836 |
|
|
float sy = rmin [1] - y; |
837 |
|
|
|
838 |
root |
1.89 |
// TODO: adjust matrix for subpixel accuracy |
839 |
root |
1.91 |
int nx = floor (rmin [0]); |
840 |
|
|
int ny = floor (rmin [1]); |
841 |
|
|
|
842 |
|
|
int new_width = ceil (rmax [0] - rmin [0]); |
843 |
|
|
int new_height = ceil (rmax [1] - rmin [1]); |
844 |
root |
1.80 |
|
845 |
root |
1.98 |
mat3x3 inv = (mat3x3::translate (-x, -y) * m * mat3x3::translate (x, y)).inverse (); |
846 |
root |
1.80 |
|
847 |
root |
1.98 |
composer cc (this, new rxvt_img (s, format, nx, ny, new_width, new_height, repeat)); |
848 |
root |
1.12 |
|
849 |
|
|
XTransform xfrm; |
850 |
|
|
|
851 |
|
|
for (int i = 0; i < 3; ++i) |
852 |
|
|
for (int j = 0; j < 3; ++j) |
853 |
root |
1.80 |
xfrm.matrix [i][j] = XDoubleToFixed (inv [i][j]); |
854 |
root |
1.33 |
|
855 |
root |
1.98 |
XRenderSetPictureFilter (cc.dpy, cc.src, "good", 0, 0); |
856 |
|
|
XRenderSetPictureTransform (cc.dpy, cc.src, &xfrm); |
857 |
|
|
XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, sx, sy, 0, 0, 0, 0, new_width, new_height); |
858 |
root |
1.12 |
|
859 |
root |
1.98 |
return cc; |
860 |
root |
1.3 |
} |
861 |
|
|
|
862 |
|
|
rxvt_img * |
863 |
|
|
rxvt_img::scale (int new_width, int new_height) |
864 |
|
|
{ |
865 |
sf-exg |
1.43 |
if (w == new_width && h == new_height) |
866 |
|
|
return clone (); |
867 |
|
|
|
868 |
root |
1.42 |
int old_repeat_mode = repeat; |
869 |
sf-exg |
1.78 |
repeat = RepeatPad; // not right, but xrender can't properly scale it seems |
870 |
root |
1.42 |
|
871 |
root |
1.95 |
rxvt_img *img = transform (mat3x3::scale (new_width / (nv)w, new_height / (nv)h)); |
872 |
root |
1.42 |
|
873 |
|
|
repeat = old_repeat_mode; |
874 |
|
|
img->repeat = repeat; |
875 |
|
|
|
876 |
|
|
return img; |
877 |
root |
1.3 |
} |
878 |
|
|
|
879 |
sf-exg |
1.7 |
rxvt_img * |
880 |
root |
1.84 |
rxvt_img::rotate (int cx, int cy, nv phi) |
881 |
root |
1.17 |
{ |
882 |
root |
1.91 |
move (-cx, -cy); |
883 |
root |
1.95 |
rxvt_img *img = transform (mat3x3::rotate (phi)); |
884 |
root |
1.91 |
move ( cx, cy); |
885 |
|
|
img->move (cx, cy); |
886 |
root |
1.80 |
|
887 |
|
|
return img; |
888 |
root |
1.17 |
} |
889 |
|
|
|
890 |
|
|
rxvt_img * |
891 |
root |
1.82 |
rxvt_img::convert_format (XRenderPictFormat *new_format, const rgba &bg) |
892 |
sf-exg |
1.7 |
{ |
893 |
root |
1.32 |
if (new_format == format) |
894 |
|
|
return clone (); |
895 |
|
|
|
896 |
root |
1.98 |
composer cc (this, new rxvt_img (s, new_format, x, y, w, h, repeat)); |
897 |
root |
1.9 |
|
898 |
root |
1.27 |
int op = PictOpSrc; |
899 |
sf-exg |
1.7 |
|
900 |
root |
1.29 |
if (format->direct.alphaMask && !new_format->direct.alphaMask) |
901 |
root |
1.27 |
{ |
902 |
|
|
// does it have to be that complicated |
903 |
root |
1.82 |
XRenderColor rc = { bg.r, bg.g, bg.b, bg.a }; |
904 |
root |
1.98 |
XRenderFillRectangle (cc.dpy, PictOpSrc, cc.dst, &rc, 0, 0, w, h); |
905 |
root |
1.27 |
|
906 |
|
|
op = PictOpOver; |
907 |
|
|
} |
908 |
|
|
|
909 |
root |
1.98 |
XRenderComposite (cc.dpy, op, cc.src, None, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
910 |
sf-exg |
1.7 |
|
911 |
root |
1.98 |
return cc; |
912 |
|
|
} |
913 |
|
|
|
914 |
|
|
rxvt_img * |
915 |
|
|
rxvt_img::tint (const rgba &c) |
916 |
|
|
{ |
917 |
|
|
composer cc (this); |
918 |
|
|
cc.mask (true); |
919 |
|
|
cc.fill (c); |
920 |
|
|
|
921 |
|
|
XRenderComposite (cc.dpy, PictOpSrc, cc.src, cc.msk, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
922 |
sf-exg |
1.7 |
|
923 |
root |
1.98 |
return cc; |
924 |
sf-exg |
1.7 |
} |
925 |
root |
1.3 |
|
926 |
sf-exg |
1.24 |
rxvt_img * |
927 |
root |
1.98 |
rxvt_img::filter (const char *name, int nparams, nv *params) |
928 |
sf-exg |
1.24 |
{ |
929 |
root |
1.99 |
composer cc (this); |
930 |
root |
1.98 |
|
931 |
|
|
XFixed *xparams = rxvt_temp_buf<XFixed> (nparams); |
932 |
sf-exg |
1.24 |
|
933 |
root |
1.98 |
for (int i = 0; i < nparams; ++i) |
934 |
|
|
xparams [i] = XDoubleToFixed (params [i]); |
935 |
sf-exg |
1.24 |
|
936 |
root |
1.98 |
XRenderSetPictureFilter (cc.dpy, cc.src, name, xparams, nparams); |
937 |
|
|
|
938 |
|
|
XRenderComposite (cc.dpy, PictOpSrc, cc.src, 0, cc.dst, 0, 0, 0, 0, 0, 0, w, h); |
939 |
sf-exg |
1.24 |
|
940 |
root |
1.98 |
return cc; |
941 |
sf-exg |
1.24 |
} |
942 |
|
|
|
943 |
root |
1.1 |
#endif |
944 |
|
|
|