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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.200 by sf-exg, Thu Jan 19 13:33:43 2012 UTC vs.
Revision 1.238 by sf-exg, Sun Jun 10 15:48:08 2012 UTC

… …
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) 2005-2008 Marc Lehmann <schmorp@schmorp.de> 6 * Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net> 7 * Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8 * Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it> 8 * Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9 * 9 *
10 * This program is free software; you can redistribute it and/or modify 10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by 11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or 12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version. 13 * (at your option) any later version.
… …
20 * You should have received a copy of the GNU General Public License 20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software 21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *---------------------------------------------------------------------*/ 23 *---------------------------------------------------------------------*/
24 24
25#include <math.h>
26#include "../config.h" /* NECESSARY */ 25#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 26#include "rxvt.h" /* NECESSARY */
28 27
29#if XRENDER
30# include <X11/extensions/Xrender.h>
31#endif
32
33#ifndef FilterConvolution
34#define FilterConvolution "convolution"
35#endif
36
37#ifndef RepeatPad
38#define RepeatPad True
39#endif
40
41#ifdef HAVE_BG_PIXMAP 28#ifdef HAVE_BG_PIXMAP
42# if XRENDER
43static Picture
44create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
45{
46 Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
47
48 XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
49 XRenderPictureAttributes pa;
50 pa.repeat = True;
51 pa.component_alpha = component_alpha;
52 Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
53
54 XFreePixmap (dpy, pixmap);
55
56 return mask;
57}
58# endif
59 29
60void 30void
61rxvt_term::bg_destroy () 31rxvt_term::bg_destroy ()
62{ 32{
63#ifdef HAVE_AFTERIMAGE 33# if ENABLE_TRANSPARENCY
64 if (original_asim) 34 delete root_img;
65 safe_asimage_destroy (original_asim); 35 root_img = 0;
66 if (asv)
67 destroy_asvisual (asv, 0);
68 if (asimman)
69 destroy_image_manager (asimman, 0);
70#endif 36# endif
71 37
72#ifdef HAVE_PIXBUF 38# if BG_IMAGE_FROM_FILE
73 if (pixbuf) 39 fimage.destroy ();
74 g_object_unref (pixbuf);
75#endif 40# endif
76 41
77 if (bg_pixmap) 42 delete bg_img;
78 XFreePixmap (dpy, bg_pixmap); 43 bg_img = 0;
79} 44}
80 45
81bool 46bool
82rxvt_term::bg_set_position (int x, int y) 47rxvt_term::bg_set_position (int x, int y)
83{ 48{
… …
93} 58}
94 59
95bool 60bool
96rxvt_term::bg_window_size_sensitive () 61rxvt_term::bg_window_size_sensitive ()
97{ 62{
98# ifdef ENABLE_TRANSPARENCY 63# if ENABLE_TRANSPARENCY
99 if (bg_flags & BG_IS_TRANSPARENT) 64 if (bg_flags & BG_IS_TRANSPARENT)
100 return true; 65 return true;
101# endif 66# endif
102 67
103# ifdef BG_IMAGE_FROM_FILE 68# if BG_IMAGE_FROM_FILE
104 if (bg_flags & BG_IS_FROM_FILE) 69 if (fimage.img)
105 { 70 {
106 if (bg_flags & BG_IS_SIZE_SENSITIVE) 71 if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
72 || fimage.img->w > szHint.width
73 || fimage.img->h > szHint.height)
107 return true; 74 return true;
108 } 75 }
109# endif 76# endif
110 77
111 return false; 78 return false;
112} 79}
113 80
114bool 81bool
115rxvt_term::bg_window_position_sensitive () 82rxvt_term::bg_window_position_sensitive ()
116{ 83{
117# ifdef ENABLE_TRANSPARENCY 84# if ENABLE_TRANSPARENCY
118 if (bg_flags & BG_IS_TRANSPARENT) 85 if (bg_flags & BG_IS_TRANSPARENT)
119 return true; 86 return true;
120# endif 87# endif
121 88
122# ifdef BG_IMAGE_FROM_FILE 89# if BG_IMAGE_FROM_FILE
123 if (bg_flags & BG_IS_FROM_FILE) 90 if (fimage.img)
124 { 91 {
125 if (bg_flags & BG_ROOT_ALIGN) 92 if (fimage.flags & IM_ROOT_ALIGN)
126 return true; 93 return true;
127 } 94 }
128# endif 95# endif
129 96
130 return false; 97 return false;
131} 98}
132 99
133# ifdef BG_IMAGE_FROM_FILE 100# if BG_IMAGE_FROM_FILE
134static inline int 101static inline int
135make_align_position (int align, int window_size, int image_size) 102make_align_position (int align, int window_size, int image_size)
136{ 103{
137 int diff = window_size - image_size;
138 int smaller = min (image_size, window_size);
139
140 if (align >= 0 && align <= 100) 104 if (align >= 0 && align <= 100)
141 return diff * align / 100; 105 return lerp (0, window_size - image_size, align);
142 else if (align > 100 && align <= 200) 106 else if (align > 100)
143 return (align - 100) * smaller / 100 + window_size - smaller; 107 return lerp (window_size - image_size, window_size, align - 100);
144 else if (align >= -100 && align < 0) 108 else
145 return (align + 100) * smaller / 100 - image_size; 109 return lerp (-image_size, 0, align + 100);
146 return 0;
147} 110}
148 111
149static inline int 112static void
150make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 113parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
151{ 114{
152 int src_pos = 0; 115 if (!strcasecmp (style, "tiled"))
153 dst_pos = pos;
154 dst_size = size;
155 if (pos < 0)
156 {
157 src_pos = -pos;
158 dst_pos = 0;
159 dst_size += pos;
160 } 116 {
161 117 flags = IM_TILE;
162 min_it (dst_size, target_size - dst_pos); 118 w = h = noScale;
163 return src_pos; 119 x = y = 0;
120 }
121 else if (!strcasecmp (style, "aspect-stretched"))
122 {
123 flags = IM_KEEP_ASPECT;
124 w = h = windowScale;
125 x = y = centerAlign;
126 }
127 else if (!strcasecmp (style, "stretched"))
128 {
129 flags = 0;
130 w = h = windowScale;
131 x = y = centerAlign;
132 }
133 else if (!strcasecmp (style, "centered"))
134 {
135 flags = 0;
136 w = h = noScale;
137 x = y = centerAlign;
138 }
139 else if (!strcasecmp (style, "root-tiled"))
140 {
141 flags = IM_TILE|IM_ROOT_ALIGN;
142 w = h = noScale;
143 x = y = 0;
144 }
164} 145}
165 146
166bool 147bool
167rxvt_term::bg_set_geometry (const char *geom, bool update) 148rxvt_image::set_geometry (const char *geom, bool update)
168{ 149{
169 bool changed = false; 150 bool changed = false;
170 int geom_flags = 0; 151 int geom_flags = 0;
171 int x = h_align; 152 int x = h_align;
172 int y = v_align; 153 int y = v_align;
173 unsigned int w = h_scale; 154 unsigned int w = h_scale;
174 unsigned int h = v_scale; 155 unsigned int h = v_scale;
175 unsigned long new_flags = 0; 156 uint8_t new_flags = 0;
176 157
177 if (geom == NULL) 158 if (geom == NULL)
178 return false; 159 return false;
179 160
180 if (geom[0]) 161 if (geom[0])
181 { 162 {
182 char **arr = rxvt_strsplit (':', geom); 163 char **arr = rxvt_strsplit (':', geom);
183 164
184 for (int i = 0; arr[i]; i++) 165 for (int i = 0; arr[i]; i++)
185 { 166 {
186 if (!strcasecmp (arr[i], "style=tiled")) 167 if (!strncasecmp (arr[i], "style=", 6))
187 { 168 {
188 new_flags = BG_TILE; 169 parse_style (arr[i] + 6, x, y, w, h, new_flags);
189 w = h = noScale;
190 x = y = 0;
191 geom_flags = WidthValue|HeightValue|XValue|YValue; 170 geom_flags = WidthValue|HeightValue|XValue|YValue;
192 } 171 }
193 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
194 {
195 new_flags = BG_KEEP_ASPECT;
196 w = h = windowScale;
197 x = y = centerAlign;
198 geom_flags = WidthValue|HeightValue|XValue|YValue;
199 }
200 else if (!strcasecmp (arr[i], "style=stretched"))
201 {
202 new_flags = 0;
203 w = h = windowScale;
204 geom_flags = WidthValue|HeightValue;
205 }
206 else if (!strcasecmp (arr[i], "style=centered"))
207 {
208 new_flags = 0;
209 w = h = noScale;
210 x = y = centerAlign;
211 geom_flags = WidthValue|HeightValue|XValue|YValue;
212 }
213 else if (!strcasecmp (arr[i], "style=root-tiled"))
214 {
215 new_flags = BG_TILE|BG_ROOT_ALIGN;
216 w = h = noScale;
217 geom_flags = WidthValue|HeightValue;
218 }
219 else if (!strcasecmp (arr[i], "op=tile")) 172 else if (!strcasecmp (arr[i], "op=tile"))
220 new_flags |= BG_TILE; 173 new_flags |= IM_TILE;
221 else if (!strcasecmp (arr[i], "op=keep-aspect")) 174 else if (!strcasecmp (arr[i], "op=keep-aspect"))
222 new_flags |= BG_KEEP_ASPECT; 175 new_flags |= IM_KEEP_ASPECT;
223 else if (!strcasecmp (arr[i], "op=root-align")) 176 else if (!strcasecmp (arr[i], "op=root-align"))
224 new_flags |= BG_ROOT_ALIGN; 177 new_flags |= IM_ROOT_ALIGN;
225 178
226 // deprecated 179 // deprecated
227 else if (!strcasecmp (arr[i], "tile")) 180 else if (!strcasecmp (arr[i], "tile"))
228 { 181 {
229 new_flags |= BG_TILE; 182 new_flags |= IM_TILE;
230 w = h = noScale; 183 w = h = noScale;
231 geom_flags |= WidthValue|HeightValue; 184 geom_flags |= WidthValue|HeightValue;
232 } 185 }
233 else if (!strcasecmp (arr[i], "propscale")) 186 else if (!strcasecmp (arr[i], "propscale"))
234 { 187 {
235 new_flags |= BG_KEEP_ASPECT; 188 new_flags |= IM_KEEP_ASPECT;
236 w = h = windowScale; 189 w = h = windowScale;
237 geom_flags |= WidthValue|HeightValue; 190 geom_flags |= WidthValue|HeightValue;
238 } 191 }
239 else if (!strcasecmp (arr[i], "hscale")) 192 else if (!strcasecmp (arr[i], "hscale"))
240 { 193 {
241 new_flags |= BG_TILE; 194 new_flags |= IM_TILE;
242 w = windowScale; 195 w = windowScale;
243 h = noScale; 196 h = noScale;
244 geom_flags |= WidthValue|HeightValue; 197 geom_flags |= WidthValue|HeightValue;
245 } 198 }
246 else if (!strcasecmp (arr[i], "vscale")) 199 else if (!strcasecmp (arr[i], "vscale"))
247 { 200 {
248 new_flags |= BG_TILE; 201 new_flags |= IM_TILE;
249 h = windowScale; 202 h = windowScale;
250 w = noScale; 203 w = noScale;
251 geom_flags |= WidthValue|HeightValue; 204 geom_flags |= WidthValue|HeightValue;
252 } 205 }
253 else if (!strcasecmp (arr[i], "scale")) 206 else if (!strcasecmp (arr[i], "scale"))
… …
261 x = y = centerAlign; 214 x = y = centerAlign;
262 geom_flags |= WidthValue|HeightValue|XValue|YValue; 215 geom_flags |= WidthValue|HeightValue|XValue|YValue;
263 } 216 }
264 else if (!strcasecmp (arr[i], "root")) 217 else if (!strcasecmp (arr[i], "root"))
265 { 218 {
266 new_flags |= BG_TILE|BG_ROOT_ALIGN; 219 new_flags |= IM_TILE|IM_ROOT_ALIGN;
267 w = h = noScale; 220 w = h = noScale;
268 geom_flags |= WidthValue|HeightValue; 221 geom_flags |= WidthValue|HeightValue;
269 } 222 }
270 223
271 else 224 else
… …
273 } /* done parsing ops */ 226 } /* done parsing ops */
274 227
275 rxvt_free_strsplit (arr); 228 rxvt_free_strsplit (arr);
276 } 229 }
277 230
278 new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS; 231 new_flags |= flags & ~IM_GEOMETRY_FLAGS;
279 232
280 if (!update) 233 if (!update)
281 { 234 {
282 if (!(geom_flags & XValue)) 235 if (!(geom_flags & XValue))
283 x = y = defaultAlign; 236 x = y = defaultAlign;
… …
290 h = w; 243 h = w;
291 else if (!(geom_flags & WidthValue)) 244 else if (!(geom_flags & WidthValue))
292 w = h; 245 w = h;
293 } 246 }
294 247
295 min_it (w, 1000);
296 min_it (h, 1000);
297 clamp_it (x, -100, 200); 248 clamp_it (x, -100, 200);
298 clamp_it (y, -100, 200); 249 clamp_it (y, -100, 200);
299 250
300 if (bg_flags != new_flags 251 if (flags != new_flags
301 || h_scale != w 252 || h_scale != w
302 || v_scale != h 253 || v_scale != h
303 || h_align != x 254 || h_align != x
304 || v_align != y) 255 || v_align != y)
305 { 256 {
306 bg_flags = new_flags; 257 flags = new_flags;
307 h_scale = w; 258 h_scale = w;
308 v_scale = h; 259 v_scale = h;
309 h_align = x; 260 h_align = x;
310 v_align = y; 261 v_align = y;
311 changed = true; 262 changed = true;
312 } 263 }
313 264
265 if (is_size_sensitive ())
266 flags |= IM_IS_SIZE_SENSITIVE;
267 else
268 flags &= ~IM_IS_SIZE_SENSITIVE;
269
314 return changed; 270 return changed;
315} 271}
316 272
317void 273void
318rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) 274rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
319{ 275{
276 int image_width = image.img->w;
277 int image_height = image.img->h;
320 int target_width = szHint.width; 278 int target_width = szHint.width;
321 int target_height = szHint.height; 279 int target_height = szHint.height;
280 int h_scale = min (image.h_scale, 32767 * 100 / target_width);
281 int v_scale = min (image.v_scale, 32767 * 100 / target_height);
322 282
323 w = h_scale * target_width / 100; 283 w = h_scale * target_width / 100;
324 h = v_scale * target_height / 100; 284 h = v_scale * target_height / 100;
325 285
326 if (bg_flags & BG_KEEP_ASPECT) 286 if (image.flags & IM_KEEP_ASPECT)
327 { 287 {
328 float scale = (float)w / image_width; 288 float scale = (float)w / image_width;
329 min_it (scale, (float)h / image_height); 289 min_it (scale, (float)h / image_height);
330 w = image_width * scale + 0.5; 290 w = image_width * scale + 0.5;
331 h = image_height * scale + 0.5; 291 h = image_height * scale + 0.5;
332 } 292 }
333 293
334 if (!w) w = image_width; 294 if (!w) w = image_width;
335 if (!h) h = image_height; 295 if (!h) h = image_height;
336 296
337 if (bg_flags & BG_ROOT_ALIGN) 297 if (image.flags & IM_ROOT_ALIGN)
338 { 298 {
339 x = -target_x; 299 x = -target_x;
340 y = -target_y; 300 y = -target_y;
341 } 301 }
342 else 302 else
343 { 303 {
344 x = make_align_position (h_align, target_width, w); 304 x = make_align_position (image.h_align, target_width, w);
345 y = make_align_position (v_align, target_height, h); 305 y = make_align_position (image.v_align, target_height, h);
346 }
347
348 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
349 if (!(bg_flags & BG_TILE)
350 || h_scale || v_scale
351 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
352 || w > target_width || h > target_height)
353 bg_flags |= BG_IS_SIZE_SENSITIVE;
354}
355
356# ifdef HAVE_AFTERIMAGE
357bool
358rxvt_term::render_image (unsigned long tr_flags)
359{
360 init_asv ();
361
362 ASImage *background = NULL;
363 ARGB32 background_tint = TINT_LEAVE_SAME;
364
365# ifdef ENABLE_TRANSPARENCY
366 if (tr_flags)
367 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
368
369 if (tr_flags & BG_NEEDS_TINT)
370 { 306 }
371 ShadingInfo as_shade; 307}
372 as_shade.shading = shade;
373 308
374 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 309bool
375 if (bg_flags & BG_TINT_SET) 310rxvt_term::render_image (rxvt_image &image)
376 tint.get (c); 311{
377 as_shade.tintColor.red = c.r;
378 as_shade.tintColor.green = c.g;
379 as_shade.tintColor.blue = c.b;
380
381 background_tint = shading2tint32 (&as_shade);
382 }
383
384 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
385 {
386 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
387 ASA_XImage,
388 100, ASIMAGE_QUALITY_DEFAULT);
389 if (tmp)
390 {
391 destroy_asimage (&background);
392 background = tmp;
393 }
394 }
395# endif
396
397 ASImage *result = 0;
398
399 int target_width = szHint.width; 312 int target_width = szHint.width;
400 int target_height = szHint.height; 313 int target_height = szHint.height;
401 int new_pmap_width = target_width;
402 int new_pmap_height = target_height;
403 314
404 int x = 0; 315 int x = 0;
405 int y = 0; 316 int y = 0;
406 int w = 0; 317 int w = 0;
407 int h = 0; 318 int h = 0;
408 319
409 if (original_asim) 320 get_image_geometry (image, w, h, x, y);
410 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
411 321
412 if (!original_asim
413 || (!(bg_flags & BG_ROOT_ALIGN)
414 && (x >= target_width
415 || y >= target_height
416 || x + w <= 0
417 || y + h <= 0)))
418 {
419 if (background)
420 {
421 new_pmap_width = background->width;
422 new_pmap_height = background->height;
423 result = background;
424
425 if (background_tint != TINT_LEAVE_SAME)
426 {
427 ASImage *tmp = tile_asimage (asv, background, 0, 0,
428 target_width, target_height, background_tint,
429 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
430 if (tmp)
431 result = tmp;
432 }
433 }
434 else
435 new_pmap_width = new_pmap_height = 0;
436 }
437 else
438 {
439 result = original_asim;
440
441 if (w != original_asim->width
442 || h != original_asim->height)
443 {
444 result = scale_asimage (asv, original_asim,
445 w, h,
446 ASA_XImage,
447 100, ASIMAGE_QUALITY_DEFAULT);
448 }
449
450 if (background == NULL)
451 {
452 if (bg_flags & BG_TILE)
453 {
454 /* if tiling - pixmap has to be sized exactly as the image,
455 but there is no need to make it bigger than the window! */
456 new_pmap_width = min (result->width, target_width);
457 new_pmap_height = min (result->height, target_height);
458
459 /* we also need to tile our image in both directions */
460 ASImage *tmp = tile_asimage (asv, result,
461 (int)result->width - x,
462 (int)result->height - y,
463 new_pmap_width,
464 new_pmap_height,
465 TINT_LEAVE_SAME, ASA_XImage,
466 100, ASIMAGE_QUALITY_DEFAULT);
467 if (tmp)
468 {
469 if (result != original_asim)
470 destroy_asimage (&result);
471
472 result = tmp;
473 }
474 }
475 }
476 else
477 {
478 /* if blending background and image - pixmap has to be sized same as target window */
479 ASImageLayer *layers = create_image_layers (2);
480
481 layers[0].im = background;
482 layers[0].clip_width = target_width;
483 layers[0].clip_height = target_height;
484 layers[0].tint = background_tint;
485 layers[1].im = result;
486
487 if (bg_flags & BG_TILE)
488 {
489 /* tile horizontally */
490 while (x > 0) x -= (int)result->width;
491 layers[1].dst_x = x;
492 layers[1].clip_width = result->width+target_width;
493 }
494 else
495 {
496 /* clip horizontally */
497 layers[1].dst_x = x;
498 layers[1].clip_width = result->width;
499 }
500
501 if (bg_flags & BG_TILE)
502 {
503 while (y > 0) y -= (int)result->height;
504 layers[1].dst_y = y;
505 layers[1].clip_height = result->height + target_height;
506 }
507 else
508 {
509 layers[1].dst_y = y;
510 layers[1].clip_height = result->height;
511 }
512
513 if (rs[Rs_blendtype])
514 {
515 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
516 if (layers[1].merge_scanlines == NULL)
517 layers[1].merge_scanlines = alphablend_scanlines;
518 }
519
520 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
521 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
522
523 if (tmp)
524 {
525 if (result != original_asim)
526 destroy_asimage (&result);
527
528 result = tmp;
529 }
530
531 free (layers);
532 }
533 }
534
535 bool ret = false;
536
537 if (result)
538 {
539 XGCValues gcv;
540 GC gc;
541
542 /* create Pixmap */
543 if (bg_pixmap == None
544 || bg_pmap_width != new_pmap_width
545 || bg_pmap_height != new_pmap_height)
546 {
547 if (bg_pixmap)
548 XFreePixmap (dpy, bg_pixmap);
549 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
550 bg_pmap_width = new_pmap_width;
551 bg_pmap_height = new_pmap_height;
552 }
553 /* fill with background color (if result's not completely overlapping it) */
554 gcv.foreground = pix_colors[Color_bg];
555 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
556
557 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
558 int dst_width = result->width, dst_height = result->height;
559 if (background == NULL)
560 {
561 if (!(bg_flags & BG_TILE))
562 {
563 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
564 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
565 }
566
567 if (dst_x > 0 || dst_y > 0
568 || dst_x + dst_width < new_pmap_width
569 || dst_y + dst_height < new_pmap_height)
570 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
571 }
572
573 /* put result on pixmap */
574 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
575 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
576
577 if (result != background && result != original_asim)
578 destroy_asimage (&result);
579
580 XFreeGC (dpy, gc);
581
582 ret = true;
583 }
584
585 if (background)
586 destroy_asimage (&background);
587
588 return ret;
589}
590# endif /* HAVE_AFTERIMAGE */
591
592# ifdef HAVE_PIXBUF
593bool
594rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
595 int src_x, int src_y, int dst_x, int dst_y,
596 unsigned int width, unsigned int height)
597{
598 XImage *ximage;
599 char *data, *line;
600 int bytes_per_pixel;
601 int width_r, width_g, width_b;
602 int sh_r, sh_g, sh_b;
603 int rowstride;
604 int channels;
605 unsigned char *row;
606
607 if (visual->c_class != TrueColor)
608 return false;
609
610 if (depth == 24 || depth == 32)
611 bytes_per_pixel = 4;
612 else if (depth == 15 || depth == 16)
613 bytes_per_pixel = 2;
614 else
615 return false;
616
617 width_r = ecb_popcount32 (visual->red_mask);
618 width_g = ecb_popcount32 (visual->green_mask);
619 width_b = ecb_popcount32 (visual->blue_mask);
620
621 if (width_r > 8 || width_g > 8 || width_b > 8)
622 return false;
623
624 sh_r = ecb_ctz32 (visual->red_mask);
625 sh_g = ecb_ctz32 (visual->green_mask);
626 sh_b = ecb_ctz32 (visual->blue_mask);
627
628 if (width > INT_MAX / height / bytes_per_pixel)
629 return false;
630
631 data = (char *)malloc (width * height * bytes_per_pixel);
632 if (!data)
633 return false;
634
635 ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
636 width, height, bytes_per_pixel * 8, 0);
637 if (!ximage)
638 {
639 free (data);
640 return false;
641 }
642
643 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
644
645 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
646 channels = gdk_pixbuf_get_n_channels (pixbuf);
647 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
648 line = data;
649
650 for (int y = 0; y < height; y++)
651 {
652 for (int x = 0; x < width; x++)
653 {
654 unsigned char *pixel = row + x * channels;
655 uint32_t value;
656
657 value = ((pixel[0] >> (8 - width_r)) << sh_r)
658 | ((pixel[1] >> (8 - width_g)) << sh_g)
659 | ((pixel[2] >> (8 - width_b)) << sh_b);
660
661 if (bytes_per_pixel == 4)
662 ((uint32_t *)line)[x] = value;
663 else
664 ((uint16_t *)line)[x] = value;
665 }
666
667 row += rowstride;
668 line += ximage->bytes_per_line;
669 }
670
671 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
672 XDestroyImage (ximage);
673 return true;
674}
675
676bool
677rxvt_term::render_image (unsigned long tr_flags)
678{
679 if (!pixbuf)
680 return false;
681
682 if (tr_flags
683 && !(bg_flags & BG_HAS_RENDER))
684 return false;
685
686 GdkPixbuf *result;
687
688 int image_width = gdk_pixbuf_get_width (pixbuf);
689 int image_height = gdk_pixbuf_get_height (pixbuf);
690
691 int target_width = szHint.width;
692 int target_height = szHint.height;
693 int new_pmap_width = target_width;
694 int new_pmap_height = target_height;
695
696 int x = 0;
697 int y = 0;
698 int w = 0;
699 int h = 0;
700
701 get_image_geometry (image_width, image_height, w, h, x, y);
702
703 if (!(bg_flags & BG_ROOT_ALIGN) 322 if (!(image.flags & IM_ROOT_ALIGN)
704 && (x >= target_width 323 && (x >= target_width
705 || y >= target_height 324 || y >= target_height
706 || x + w <= 0 325 || x + w <= 0
707 || y + h <= 0)) 326 || y + h <= 0))
708 return false; 327 return false;
709 328
710 result = pixbuf; 329 rxvt_img *img = image.img->scale (w, h);
711 330
712 if (w != image_width 331 if (image.flags & IM_TILE)
713 || h != image_height) 332 img->repeat_mode (RepeatNormal);
714 {
715 result = gdk_pixbuf_scale_simple (pixbuf,
716 w, h,
717 GDK_INTERP_BILINEAR);
718 }
719
720 if (!result)
721 return false;
722
723 bool ret = false;
724
725 XGCValues gcv;
726 GC gc;
727 Pixmap root_pmap;
728
729 image_width = gdk_pixbuf_get_width (result);
730 image_height = gdk_pixbuf_get_height (result);
731
732 if (tr_flags)
733 {
734 root_pmap = bg_pixmap;
735 bg_pixmap = None;
736 }
737 else 333 else
738 { 334 img->repeat_mode (RepeatNone);
335 img->sub_rect (-x, -y, target_width, target_height)->replace (img);
336
739 if (bg_flags & BG_TILE) 337 if (bg_flags & BG_IS_VALID)
740 {
741 new_pmap_width = min (image_width, target_width);
742 new_pmap_height = min (image_height, target_height);
743 }
744 } 338 {
745 339 double factor = image.alpha * 1. / 0xffff;
746 if (bg_pixmap == None 340 bg_img->blend (img, factor)->replace (img);
747 || bg_pmap_width != new_pmap_width
748 || bg_pmap_height != new_pmap_height)
749 { 341 }
750 if (bg_pixmap)
751 XFreePixmap (dpy, bg_pixmap);
752 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
753 bg_pmap_width = new_pmap_width;
754 bg_pmap_height = new_pmap_height;
755 }
756 342
757 gcv.foreground = pix_colors[Color_bg];
758 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
759
760 if (gc)
761 {
762 if (bg_flags & BG_TILE)
763 {
764 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
765 pixbuf_to_pixmap (result, tile, gc,
766 0, 0,
767 0, 0,
768 image_width, image_height);
769
770 gcv.tile = tile;
771 gcv.fill_style = FillTiled;
772 gcv.ts_x_origin = x;
773 gcv.ts_y_origin = y;
774 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
775
776 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
777 XFreePixmap (dpy, tile);
778 }
779 else
780 {
781 int src_x, src_y, dst_x, dst_y;
782 int dst_width, dst_height;
783
784 src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
785 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
786
787 if (dst_x > 0 || dst_y > 0
788 || dst_x + dst_width < new_pmap_width
789 || dst_y + dst_height < new_pmap_height)
790 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
791
792 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
793 pixbuf_to_pixmap (result, bg_pixmap, gc,
794 src_x, src_y,
795 dst_x, dst_y,
796 dst_width, dst_height);
797 }
798
799#if XRENDER
800 if (tr_flags)
801 {
802 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 343 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
344 img->convert_format (format, pix_colors [Color_bg])->replace (img);
803 345
804 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0); 346 delete bg_img;
347 bg_img = img;
805 348
806 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
807
808 Picture mask = create_xrender_mask (dpy, vt, False, False);
809
810 XRenderColor mask_c;
811
812 mask_c.alpha = 0x8000;
813 mask_c.red =
814 mask_c.green =
815 mask_c.blue = 0;
816 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
817
818 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
819
820 XRenderFreePicture (dpy, src);
821 XRenderFreePicture (dpy, dst);
822 XRenderFreePicture (dpy, mask);
823 }
824#endif
825
826 XFreeGC (dpy, gc);
827
828 ret = true;
829 }
830
831 if (result != pixbuf)
832 g_object_unref (result);
833
834 if (tr_flags)
835 XFreePixmap (dpy, root_pmap);
836
837 return ret; 349 return true;
838} 350}
839# endif /* HAVE_PIXBUF */
840 351
352rxvt_image::rxvt_image ()
353{
354 alpha = 0xffff;
355 flags = 0;
356 h_scale =
357 v_scale = defaultScale;
358 h_align =
359 v_align = defaultAlign;
360
361 img = 0;
362}
363
841bool 364bool
842rxvt_term::bg_set_file (const char *file) 365rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
843{ 366{
844 if (!file || !*file) 367 if (!file || !*file)
845 return false; 368 return false;
846 369
847 bool ret = false;
848 const char *p = strchr (file, ';'); 370 const char *p = strchr (file, ';');
849 371
850 if (p) 372 if (p)
851 { 373 {
852 size_t len = p - file; 374 size_t len = p - file;
… …
854 memcpy (f, file, len); 376 memcpy (f, file, len);
855 f[len] = '\0'; 377 f[len] = '\0';
856 file = f; 378 file = f;
857 } 379 }
858 380
859# ifdef HAVE_AFTERIMAGE 381 bool ret = set_file (s, file);
860 if (!asimman) 382 alpha = 0x8000;
861 asimman = create_generic_imageman (rs[Rs_path]);
862 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
863 if (image)
864 {
865 if (original_asim)
866 safe_asimage_destroy (original_asim);
867 original_asim = image;
868 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
869 ret = true;
870 }
871# endif
872
873# ifdef HAVE_PIXBUF
874 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
875 if (image)
876 {
877 if (pixbuf)
878 g_object_unref (pixbuf);
879 pixbuf = image;
880 bg_flags |= BG_IS_FROM_FILE;
881 ret = true;
882 }
883# endif
884
885 if (ret) 383 if (ret)
886 {
887 if (p)
888 bg_set_geometry (p + 1); 384 set_geometry (p ? p + 1 : "");
889 else
890 bg_set_default_geometry ();
891 }
892
893 return ret; 385 return ret;
894} 386}
895 387
388bool
389rxvt_image::set_file (rxvt_screen *s, const char *file)
390{
391 delete img;
392 img = rxvt_img::new_from_file (s, file);
393 return img != 0;
394}
395
896# endif /* BG_IMAGE_FROM_FILE */ 396# endif /* BG_IMAGE_FROM_FILE */
897 397
898# ifdef ENABLE_TRANSPARENCY
899bool 398bool
900rxvt_term::bg_set_transparent () 399image_effects::set_blur (const char *geom)
901{
902 if (!(bg_flags & BG_IS_TRANSPARENT))
903 {
904 bg_flags |= BG_IS_TRANSPARENT;
905 return true;
906 }
907
908 return false;
909}
910
911bool
912rxvt_term::bg_set_blur (const char *geom)
913{ 400{
914 bool changed = false; 401 bool changed = false;
915 unsigned int hr, vr; 402 unsigned int hr, vr;
916 int junk; 403 int junk;
917 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr); 404 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
… …
934 { 421 {
935 changed = true; 422 changed = true;
936 v_blurRadius = vr; 423 v_blurRadius = vr;
937 } 424 }
938 425
939 if (h_blurRadius == 0 || v_blurRadius == 0)
940 bg_flags &= ~BG_NEEDS_BLUR;
941 else
942 bg_flags |= BG_NEEDS_BLUR;
943
944 return changed; 426 return changed;
945} 427}
946 428
947void
948rxvt_term::set_tint_shade_flags ()
949{
950 rgba c;
951 bool has_shade = shade != 100;
952
953 bg_flags &= ~BG_TINT_FLAGS;
954
955 if (bg_flags & BG_TINT_SET)
956 {
957 tint.get (c);
958 if (!has_shade
959 && (c.r <= 0x00ff || c.r >= 0xff00)
960 && (c.g <= 0x00ff || c.g >= 0xff00)
961 && (c.b <= 0x00ff || c.b >= 0xff00))
962 bg_flags |= BG_TINT_BITAND;
963 }
964
965 if (has_shade || (bg_flags & BG_TINT_SET))
966 bg_flags |= BG_NEEDS_TINT;
967}
968
969bool 429bool
970rxvt_term::bg_set_tint (rxvt_color &new_tint) 430image_effects::set_tint (const rxvt_color &new_tint)
971{ 431{
972 if (!(bg_flags & BG_TINT_SET) || tint != new_tint) 432 if (!tint_set || tint != new_tint)
973 { 433 {
974 tint = new_tint; 434 tint = new_tint;
975 bg_flags |= BG_TINT_SET; 435 tint_set = true;
976 set_tint_shade_flags (); 436
977 return true; 437 return true;
978 } 438 }
979 439
980 return false; 440 return false;
981} 441}
982 442
983bool 443bool
984rxvt_term::bg_set_shade (const char *shade_str) 444image_effects::set_shade (const char *shade_str)
985{ 445{
986 int new_shade = atoi (shade_str); 446 int new_shade = atoi (shade_str);
987 447
988 clamp_it (new_shade, -100, 200); 448 clamp_it (new_shade, -100, 200);
989 if (new_shade < 0) 449 if (new_shade < 0)
990 new_shade = 200 - (100 + new_shade); 450 new_shade = 200 - (100 + new_shade);
991 451
992 if (new_shade != shade) 452 if (new_shade != shade)
993 { 453 {
994 shade = new_shade; 454 shade = new_shade;
995 set_tint_shade_flags ();
996 return true; 455 return true;
997 } 456 }
998 457
999 return false; 458 return false;
1000} 459}
1001 460
1002#if XRENDER 461# if ENABLE_TRANSPARENCY
1003static void
1004get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
1005{
1006 double sigma = radius / 2.0;
1007 double scale = sqrt (2.0 * M_PI) * sigma;
1008 double sum = 0.0;
1009
1010 for (int i = 0; i < width; i++)
1011 {
1012 double x = i - width / 2;
1013 kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
1014 sum += kernel[i];
1015 }
1016
1017 params[0] = XDoubleToFixed (width);
1018 params[1] = XDoubleToFixed (1);
1019
1020 for (int i = 0; i < width; i++)
1021 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1022}
1023#endif
1024
1025bool
1026rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1027{
1028 bool ret = false;
1029#if XRENDER
1030 if (!(bg_flags & BG_HAS_RENDER_CONV))
1031 return false;
1032
1033 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1034 double *kernel = (double *)malloc (size * sizeof (double));
1035 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1036
1037 XRenderPictureAttributes pa;
1038 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1039
1040 pa.repeat = RepeatPad;
1041 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
1042 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1043 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
1044 XFreePixmap (dpy, tmp);
1045
1046 if (kernel && params)
1047 {
1048 size = h_blurRadius * 2 + 1;
1049 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1050
1051 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1052 XRenderComposite (dpy,
1053 PictOpSrc,
1054 src,
1055 None,
1056 dst,
1057 0, 0,
1058 0, 0,
1059 0, 0,
1060 width, height);
1061
1062 ::swap (src, dst);
1063
1064 size = v_blurRadius * 2 + 1;
1065 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1066 ::swap (params[0], params[1]);
1067
1068 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1069 XRenderComposite (dpy,
1070 PictOpSrc,
1071 src,
1072 None,
1073 dst,
1074 0, 0,
1075 0, 0,
1076 0, 0,
1077 width, height);
1078
1079 ret = true;
1080 }
1081
1082 free (kernel);
1083 free (params);
1084 XRenderFreePicture (dpy, src);
1085 XRenderFreePicture (dpy, dst);
1086#endif
1087 return ret;
1088}
1089
1090bool
1091rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1092{
1093 bool ret = false;
1094
1095 if (bg_flags & BG_TINT_BITAND)
1096 {
1097 XGCValues gcv;
1098 GC gc;
1099
1100 /* In this case we can tint image server-side getting significant
1101 * performance improvements, as we eliminate XImage transfer
1102 */
1103 gcv.foreground = Pixel (tint);
1104 gcv.function = GXand;
1105 gcv.fill_style = FillSolid;
1106 gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
1107 if (gc)
1108 {
1109 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1110 ret = true;
1111 XFreeGC (dpy, gc);
1112 }
1113 }
1114# if XRENDER
1115 else if (bg_flags & BG_HAS_RENDER)
1116 {
1117 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1118
1119 if (bg_flags & BG_TINT_SET)
1120 tint.get (c);
1121
1122 if (shade <= 100)
1123 {
1124 c.r = c.r * shade / 100;
1125 c.g = c.g * shade / 100;
1126 c.b = c.b * shade / 100;
1127 }
1128 else
1129 {
1130 c.r = c.r * (200 - shade) / 100;
1131 c.g = c.g * (200 - shade) / 100;
1132 c.b = c.b * (200 - shade) / 100;
1133 }
1134
1135 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1136
1137 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1138
1139 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1140
1141 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1142
1143 XRenderColor mask_c;
1144
1145 mask_c.alpha = 0xffff;
1146 mask_c.red =
1147 mask_c.green =
1148 mask_c.blue = 0;
1149 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1150
1151 mask_c.alpha = 0;
1152 mask_c.red = 0xffff - c.r;
1153 mask_c.green = 0xffff - c.g;
1154 mask_c.blue = 0xffff - c.b;
1155 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1156
1157 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1158
1159 if (shade > 100)
1160 {
1161 mask_c.alpha = 0;
1162 mask_c.red =
1163 mask_c.green =
1164 mask_c.blue = 0xffff * (shade - 100) / 100;
1165 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1166
1167 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1168 }
1169
1170 ret = true;
1171
1172 XRenderFreePicture (dpy, mask_pic);
1173 XRenderFreePicture (dpy, overlay_pic);
1174 XRenderFreePicture (dpy, back_pic);
1175 }
1176# endif
1177
1178 return ret;
1179}
1180
1181/* 462/*
1182 * Builds a pixmap of the same size as the terminal window that contains 463 * Builds a pixmap of the same size as the terminal window that contains
1183 * the tiled portion of the root pixmap that is supposed to be covered by 464 * the tiled portion of the root pixmap that is supposed to be covered by
1184 * our window. 465 * our window.
1185 */ 466 */
1186unsigned long 467bool
1187rxvt_term::make_transparency_pixmap () 468rxvt_term::render_root_image ()
1188{ 469{
1189 unsigned long result = 0;
1190
1191 /* root dimensions may change from call to call - but Display structure should 470 /* root dimensions may change from call to call - but Display structure should
1192 * be always up-to-date, so let's use it : 471 * be always up-to-date, so let's use it :
1193 */ 472 */
1194 int screen = display->screen; 473 int screen = display->screen;
1195 int root_depth = DefaultDepth (dpy, screen);
1196 int root_width = DisplayWidth (dpy, screen); 474 int root_width = DisplayWidth (dpy, screen);
1197 int root_height = DisplayHeight (dpy, screen); 475 int root_height = DisplayHeight (dpy, screen);
1198 unsigned int root_pmap_width, root_pmap_height;
1199 int window_width = szHint.width; 476 int window_width = szHint.width;
1200 int window_height = szHint.height; 477 int window_height = szHint.height;
1201 int sx, sy; 478 int sx, sy;
1202 XGCValues gcv;
1203 GC gc;
1204 479
1205 sx = target_x; 480 sx = target_x;
1206 sy = target_y; 481 sy = target_y;
482
483 if (!root_img)
484 return false;
1207 485
1208 /* check if we are outside of the visible part of the virtual screen : */ 486 /* check if we are outside of the visible part of the virtual screen : */
1209 if (sx + window_width <= 0 || sy + window_height <= 0 487 if (sx + window_width <= 0 || sy + window_height <= 0
1210 || sx >= root_width || sy >= root_height) 488 || sx >= root_width || sy >= root_height)
1211 return 0; 489 return 0;
1212 490
1213 // validate root pixmap and get its size 491 while (sx < 0) sx += root_img->w;
1214 if (root_pixmap != None) 492 while (sy < 0) sy += root_img->h;
1215 {
1216 Window wdummy;
1217 int idummy;
1218 unsigned int udummy;
1219 493
1220 allowedxerror = -1; 494 rxvt_img *img = root_img->sub_rect (sx, sy, window_width, window_height);
1221 495
1222 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy)) 496 if (root_effects.need_blur ())
1223 root_pixmap = None; 497 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
1224 498
1225 allowedxerror = 0; 499 if (root_effects.need_tint ())
1226 } 500 tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
1227 501
1228 Pixmap recoded_root_pmap = root_pixmap;
1229
1230 if (root_pixmap != None && root_depth != depth)
1231 {
1232#if XRENDER
1233 if (bg_flags & BG_HAS_RENDER)
1234 {
1235 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1236
1237 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1238 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1239
1240 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 502 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1241 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0); 503 img->convert_format (format, pix_colors [Color_bg])->replace (img);
1242 504
1243 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 505 delete bg_img;
506 bg_img = img;
1244 507
1245 XRenderFreePicture (dpy, src);
1246 XRenderFreePicture (dpy, dst);
1247 }
1248 else
1249#endif
1250 recoded_root_pmap = None;
1251 }
1252
1253 if (recoded_root_pmap == None)
1254 return 0;
1255
1256 if (bg_pixmap == None
1257 || bg_pmap_width != window_width
1258 || bg_pmap_height != window_height)
1259 {
1260 if (bg_pixmap)
1261 XFreePixmap (dpy, bg_pixmap);
1262 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1263 bg_pmap_width = window_width;
1264 bg_pmap_height = window_height;
1265 }
1266
1267 /* straightforward pixmap copy */
1268 while (sx < 0) sx += root_pmap_width;
1269 while (sy < 0) sy += root_pmap_height;
1270
1271 gcv.tile = recoded_root_pmap;
1272 gcv.fill_style = FillTiled;
1273 gcv.ts_x_origin = -sx;
1274 gcv.ts_y_origin = -sy;
1275 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1276
1277 if (gc)
1278 {
1279 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1280 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
1281
1282 if (!(bg_flags & BG_CLIENT_RENDER))
1283 {
1284 if (bg_flags & BG_NEEDS_BLUR)
1285 {
1286 if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1287 result &= ~BG_NEEDS_BLUR;
1288 }
1289 if (bg_flags & BG_NEEDS_TINT)
1290 {
1291 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1292 result &= ~BG_NEEDS_TINT;
1293 }
1294# ifndef HAVE_AFTERIMAGE
1295 if (result & BG_NEEDS_TINT)
1296 {
1297 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1298 if (ximage)
1299 {
1300 /* our own client-side tinting */
1301 tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1302
1303 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1304 XDestroyImage (ximage);
1305 }
1306 }
1307# endif
1308 } /* server side rendering completed */
1309
1310 XFreeGC (dpy, gc);
1311 }
1312
1313 if (recoded_root_pmap != root_pixmap)
1314 XFreePixmap (dpy, recoded_root_pmap);
1315
1316 return result; 508 return true;
1317} 509}
1318 510
1319void 511void
1320rxvt_term::bg_set_root_pixmap () 512rxvt_term::bg_set_root_pixmap ()
1321{ 513{
1322 Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]); 514 delete root_img;
1323 if (new_root_pixmap == None) 515 root_img = rxvt_img::new_from_root (this);
1324 new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1325
1326 root_pixmap = new_root_pixmap;
1327} 516}
1328# endif /* ENABLE_TRANSPARENCY */ 517# endif /* ENABLE_TRANSPARENCY */
1329 518
1330bool 519void
1331rxvt_term::bg_render () 520rxvt_term::bg_render ()
1332{ 521{
1333 unsigned long tr_flags = 0; 522 if (bg_flags & BG_INHIBIT_RENDER)
523 return;
1334 524
1335 bg_invalidate (); 525 bg_invalidate ();
1336# ifdef ENABLE_TRANSPARENCY 526# if ENABLE_TRANSPARENCY
1337 if (bg_flags & BG_IS_TRANSPARENT) 527 if (bg_flags & BG_IS_TRANSPARENT)
1338 { 528 {
1339 /* we need to re-generate transparency pixmap in that case ! */ 529 /* we need to re-generate transparency pixmap in that case ! */
1340 tr_flags = make_transparency_pixmap (); 530 if (render_root_image ())
1341 if (tr_flags)
1342 bg_flags |= BG_IS_VALID; 531 bg_flags |= BG_IS_VALID;
1343 } 532 }
1344# endif 533# endif
1345 534
1346# ifdef BG_IMAGE_FROM_FILE 535# if BG_IMAGE_FROM_FILE
1347 if ((bg_flags & BG_IS_FROM_FILE) 536 if (fimage.img)
1348 || (tr_flags & BG_EFFECTS_FLAGS))
1349 { 537 {
1350 if (render_image (tr_flags)) 538 if (render_image (fimage))
1351 bg_flags |= BG_IS_VALID; 539 bg_flags |= BG_IS_VALID;
1352 } 540 }
1353# endif 541# endif
1354 542
1355 if (!(bg_flags & BG_IS_VALID)) 543 if (!(bg_flags & BG_IS_VALID))
1356 { 544 {
1357 if (bg_pixmap != None) 545 delete bg_img;
1358 { 546 bg_img = 0;
1359 XFreePixmap (dpy, bg_pixmap);
1360 bg_pixmap = None;
1361 }
1362 } 547 }
1363 548
1364 scr_recolour (false); 549 scr_recolour (false);
1365 bg_flags |= BG_NEEDS_REFRESH; 550 bg_flags |= BG_NEEDS_REFRESH;
1366 551
1367 bg_valid_since = ev::now (); 552 bg_valid_since = ev::now ();
1368
1369 return true;
1370} 553}
1371 554
1372void 555void
1373rxvt_term::bg_init () 556rxvt_term::bg_init ()
1374{ 557{
1375#ifdef ENABLE_TRANSPARENCY 558#if BG_IMAGE_FROM_FILE
1376 shade = 100; 559 if (rs[Rs_backgroundPixmap])
560 {
561 if (fimage.set_file_geometry (this, rs[Rs_backgroundPixmap])
562 && !bg_window_position_sensitive ())
563 update_background ();
564 }
1377#endif 565#endif
1378
1379 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1380#if XRENDER
1381 int major, minor;
1382 if (XRenderQueryVersion (dpy, &major, &minor))
1383 bg_flags |= BG_HAS_RENDER;
1384 XFilters *filters = XRenderQueryFilters (dpy, vt);
1385 if (filters)
1386 {
1387 for (int i = 0; i < filters->nfilter; i++)
1388 if (!strcmp (filters->filter[i], FilterConvolution))
1389 bg_flags |= BG_HAS_RENDER_CONV;
1390
1391 XFree (filters);
1392 }
1393#endif
1394}
1395
1396#endif /* HAVE_BG_PIXMAP */
1397
1398#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1399/* based on code from aterm-0.4.2 */
1400
1401static inline void
1402fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1403{
1404 for (int i = 0; i <= mask >> sh; i++)
1405 {
1406 uint32_t tmp;
1407 tmp = i * high;
1408 tmp += (mask >> sh) * low;
1409 lookup[i] = (tmp / 0xffff) << sh;
1410 }
1411} 566}
1412 567
1413void 568void
1414rxvt_term::tint_ximage (Visual *visual, XImage *ximage) 569rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
1415{ 570{
1416 int sh_r, sh_g, sh_b;
1417 uint32_t mask_r, mask_g, mask_b;
1418 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1419 unsigned short low;
1420 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1421
1422 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1423
1424 /* for convenience */
1425 mask_r = visual->red_mask;
1426 mask_g = visual->green_mask;
1427 mask_b = visual->blue_mask;
1428
1429 /* boring lookup table pre-initialization */
1430 switch (ximage->depth)
1431 {
1432 case 15:
1433 if ((mask_r != 0x7c00) ||
1434 (mask_g != 0x03e0) ||
1435 (mask_b != 0x001f))
1436 return;
1437 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1438 lookup_r = lookup;
1439 lookup_g = lookup+32;
1440 lookup_b = lookup+32+32;
1441 sh_r = 10;
1442 sh_g = 5;
1443 sh_b = 0;
1444 break;
1445 case 16:
1446 if ((mask_r != 0xf800) ||
1447 (mask_g != 0x07e0) ||
1448 (mask_b != 0x001f))
1449 return;
1450 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1451 lookup_r = lookup;
1452 lookup_g = lookup+32;
1453 lookup_b = lookup+32+64;
1454 sh_r = 11;
1455 sh_g = 5;
1456 sh_b = 0;
1457 break;
1458 case 24:
1459 if ((mask_r != 0xff0000) ||
1460 (mask_g != 0x00ff00) ||
1461 (mask_b != 0x0000ff))
1462 return;
1463 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1464 lookup_r = lookup;
1465 lookup_g = lookup+256;
1466 lookup_b = lookup+256+256;
1467 sh_r = 16;
1468 sh_g = 8;
1469 sh_b = 0;
1470 break;
1471 case 32:
1472 if ((mask_r != 0xff0000) ||
1473 (mask_g != 0x00ff00) ||
1474 (mask_b != 0x0000ff))
1475 return;
1476 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1477 lookup_r = lookup;
1478 lookup_g = lookup+256;
1479 lookup_b = lookup+256+256;
1480 sh_r = 16;
1481 sh_g = 8;
1482 sh_b = 0;
1483 break;
1484 default:
1485 return; /* we do not support this color depth */
1486 }
1487
1488 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 571 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1489 572
1490 if (bg_flags & BG_TINT_SET) 573 if (tint_set)
1491 tint.get (c); 574 tint.get (c);
1492 575
1493 /* prepare limits for color transformation (each channel is handled separately) */
1494 if (shade > 100) 576 if (shade > 100)
1495 { 577 {
1496 c.r = c.r * (200 - shade) / 100; 578 c.r = c.r * (200 - shade) / 100;
1497 c.g = c.g * (200 - shade) / 100; 579 c.g = c.g * (200 - shade) / 100;
1498 c.b = c.b * (200 - shade) / 100; 580 c.b = c.b * (200 - shade) / 100;
1499
1500 low = 0xffff * (shade - 100) / 100;
1501 } 581 }
1502 else 582 else
1503 { 583 {
1504 c.r = c.r * shade / 100; 584 c.r = c.r * shade / 100;
1505 c.g = c.g * shade / 100; 585 c.g = c.g * shade / 100;
1506 c.b = c.b * shade / 100; 586 c.b = c.b * shade / 100;
1507
1508 low = 0;
1509 }
1510
1511 /* fill our lookup tables */
1512 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1513 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1514 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1515
1516 /* apply table to input image (replacing colors by newly calculated ones) */
1517 if (ximage->bits_per_pixel == 32
1518 && (ximage->depth == 24 || ximage->depth == 32)
1519 && ximage->byte_order == host_byte_order)
1520 { 587 }
1521 uint32_t *p1, *pf, *p, *pl;
1522 p1 = (uint32_t *) ximage->data;
1523 pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1524 588
1525 while (p1 < pf) 589 img->contrast (c.r, c.g, c.b, c.a);
1526 { 590
1527 p = p1; 591 if (shade > 100)
1528 pl = p1 + ximage->width;
1529 for (; p < pl; p++)
1530 {
1531 *p = lookup_r[(*p & 0xff0000) >> 16] |
1532 lookup_g[(*p & 0x00ff00) >> 8] |
1533 lookup_b[(*p & 0x0000ff)] |
1534 (*p & 0xff000000);
1535 }
1536 p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
1537 }
1538 } 592 {
1539 else 593 c.a = 0xffff;
594 c.r =
595 c.g =
596 c.b = 0xffff * (shade - 100) / 100;
597 img->brightness (c.r, c.g, c.b, c.a);
1540 { 598 }
1541 for (int y = 0; y < ximage->height; y++)
1542 for (int x = 0; x < ximage->width; x++)
1543 {
1544 unsigned long pixel = XGetPixel (ximage, x, y);
1545 pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1546 lookup_g[(pixel & mask_g) >> sh_g] |
1547 lookup_b[(pixel & mask_b) >> sh_b];
1548 XPutPixel (ximage, x, y, pixel);
1549 }
1550 }
1551
1552 free (lookup);
1553} 599}
1554#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 600
601#endif /* HAVE_BG_PIXMAP */

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