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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.205 by sf-exg, Wed Apr 11 10:06:45 2012 UTC vs.
Revision 1.243 by sf-exg, Sun Jun 17 17:06:47 2012 UTC

1/*----------------------------------------------------------------------* 1/*----------------------------------------------------------------------*
2 * File: background.C - former xpm.C 2 * File: background.C
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_PIXBUF 33# if ENABLE_TRANSPARENCY
64 if (pixbuf) 34 delete root_img;
65 g_object_unref (pixbuf); 35 root_img = 0;
66#endif 36# endif
67 37
68 if (bg_pixmap) 38# if BG_IMAGE_FROM_FILE
69 XFreePixmap (dpy, bg_pixmap); 39 fimage.destroy ();
70} 40# endif
71 41
72bool 42 delete bg_img;
73rxvt_term::bg_set_position (int x, int y) 43 bg_img = 0;
74{
75
76 if (target_x != x
77 || target_y != y)
78 {
79 target_x = x;
80 target_y = y;
81 return true;
82 }
83 return false;
84} 44}
85 45
86bool 46bool
87rxvt_term::bg_window_size_sensitive () 47rxvt_term::bg_window_size_sensitive ()
88{ 48{
89# ifdef ENABLE_TRANSPARENCY 49# if ENABLE_TRANSPARENCY
90 if (bg_flags & BG_IS_TRANSPARENT) 50 if (bg_flags & BG_IS_TRANSPARENT)
91 return true; 51 return true;
92# endif 52# endif
93 53
94# ifdef BG_IMAGE_FROM_FILE 54# if BG_IMAGE_FROM_FILE
95 if (bg_flags & BG_IS_FROM_FILE) 55 if (fimage.img)
96 { 56 {
97 if (bg_flags & BG_IS_SIZE_SENSITIVE) 57 if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
58 || fimage.img->w > szHint.width
59 || fimage.img->h > szHint.height)
98 return true; 60 return true;
99 } 61 }
100# endif 62# endif
101 63
102 return false; 64 return false;
103} 65}
104 66
105bool 67bool
106rxvt_term::bg_window_position_sensitive () 68rxvt_term::bg_window_position_sensitive ()
107{ 69{
108# ifdef ENABLE_TRANSPARENCY 70# if ENABLE_TRANSPARENCY
109 if (bg_flags & BG_IS_TRANSPARENT) 71 if (bg_flags & BG_IS_TRANSPARENT)
110 return true; 72 return true;
111# endif 73# endif
112 74
113# ifdef BG_IMAGE_FROM_FILE 75# if BG_IMAGE_FROM_FILE
114 if (bg_flags & BG_IS_FROM_FILE) 76 if (fimage.img)
115 { 77 {
116 if (bg_flags & BG_ROOT_ALIGN) 78 if (fimage.flags & IM_ROOT_ALIGN)
117 return true; 79 return true;
118 } 80 }
119# endif 81# endif
120 82
121 return false; 83 return false;
122} 84}
123 85
124# ifdef BG_IMAGE_FROM_FILE 86# if BG_IMAGE_FROM_FILE
125static inline int 87static inline int
126make_align_position (int align, int window_size, int image_size) 88make_align_position (int align, int window_size, int image_size)
127{ 89{
128 int diff = window_size - image_size;
129 int smaller = min (image_size, window_size);
130
131 if (align >= 0 && align <= 100) 90 if (align >= 0 && align <= 100)
132 return diff * align / 100; 91 return lerp (0, window_size - image_size, align);
133 else if (align > 100) 92 else if (align > 100)
134 return (align - 100) * smaller / 100 + window_size - smaller; 93 return lerp (window_size - image_size, window_size, align - 100);
135 else 94 else
136 return (align + 100) * smaller / 100 - image_size; 95 return lerp (-image_size, 0, align + 100);
137} 96}
138 97
139static inline int 98static void
140make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 99parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
141{ 100{
142 int src_pos = 0; 101 if (!strcasecmp (style, "tiled"))
143 dst_pos = pos;
144 dst_size = size;
145 if (pos < 0)
146 {
147 src_pos = -pos;
148 dst_pos = 0;
149 dst_size += pos;
150 } 102 {
151 103 flags = IM_TILE;
152 min_it (dst_size, target_size - dst_pos); 104 w = h = noScale;
153 return src_pos; 105 x = y = 0;
106 }
107 else if (!strcasecmp (style, "aspect-stretched"))
108 {
109 flags = IM_KEEP_ASPECT;
110 w = h = windowScale;
111 x = y = centerAlign;
112 }
113 else if (!strcasecmp (style, "stretched"))
114 {
115 flags = 0;
116 w = h = windowScale;
117 x = y = centerAlign;
118 }
119 else if (!strcasecmp (style, "centered"))
120 {
121 flags = 0;
122 w = h = noScale;
123 x = y = centerAlign;
124 }
125 else if (!strcasecmp (style, "root-tiled"))
126 {
127 flags = IM_TILE|IM_ROOT_ALIGN;
128 w = h = noScale;
129 x = y = 0;
130 }
154} 131}
155 132
156bool 133bool
157rxvt_term::bg_set_geometry (const char *geom, bool update) 134rxvt_image::set_geometry (const char *geom, bool update)
158{ 135{
159 bool changed = false; 136 bool changed = false;
160 int geom_flags = 0; 137 int geom_flags = 0;
161 int x = h_align; 138 int x = h_align;
162 int y = v_align; 139 int y = v_align;
163 unsigned int w = h_scale; 140 unsigned int w = h_scale;
164 unsigned int h = v_scale; 141 unsigned int h = v_scale;
165 unsigned long new_flags = 0; 142 uint8_t new_flags = 0;
166 143
167 if (geom == NULL) 144 if (geom == NULL)
168 return false; 145 return false;
169 146
170 if (geom[0]) 147 if (geom[0])
171 { 148 {
172 char **arr = rxvt_strsplit (':', geom); 149 char **arr = rxvt_strsplit (':', geom);
173 150
174 for (int i = 0; arr[i]; i++) 151 for (int i = 0; arr[i]; i++)
175 { 152 {
176 if (!strcasecmp (arr[i], "style=tiled")) 153 if (!strncasecmp (arr[i], "style=", 6))
177 { 154 {
178 new_flags = BG_TILE; 155 parse_style (arr[i] + 6, x, y, w, h, new_flags);
179 w = h = noScale;
180 x = y = 0;
181 geom_flags = WidthValue|HeightValue|XValue|YValue; 156 geom_flags = WidthValue|HeightValue|XValue|YValue;
182 } 157 }
183 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
184 {
185 new_flags = BG_KEEP_ASPECT;
186 w = h = windowScale;
187 x = y = centerAlign;
188 geom_flags = WidthValue|HeightValue|XValue|YValue;
189 }
190 else if (!strcasecmp (arr[i], "style=stretched"))
191 {
192 new_flags = 0;
193 w = h = windowScale;
194 geom_flags = WidthValue|HeightValue;
195 }
196 else if (!strcasecmp (arr[i], "style=centered"))
197 {
198 new_flags = 0;
199 w = h = noScale;
200 x = y = centerAlign;
201 geom_flags = WidthValue|HeightValue|XValue|YValue;
202 }
203 else if (!strcasecmp (arr[i], "style=root-tiled"))
204 {
205 new_flags = BG_TILE|BG_ROOT_ALIGN;
206 w = h = noScale;
207 geom_flags = WidthValue|HeightValue;
208 }
209 else if (!strcasecmp (arr[i], "op=tile")) 158 else if (!strcasecmp (arr[i], "op=tile"))
210 new_flags |= BG_TILE; 159 new_flags |= IM_TILE;
211 else if (!strcasecmp (arr[i], "op=keep-aspect")) 160 else if (!strcasecmp (arr[i], "op=keep-aspect"))
212 new_flags |= BG_KEEP_ASPECT; 161 new_flags |= IM_KEEP_ASPECT;
213 else if (!strcasecmp (arr[i], "op=root-align")) 162 else if (!strcasecmp (arr[i], "op=root-align"))
214 new_flags |= BG_ROOT_ALIGN; 163 new_flags |= IM_ROOT_ALIGN;
215 164
216 // deprecated 165 // deprecated
217 else if (!strcasecmp (arr[i], "tile")) 166 else if (!strcasecmp (arr[i], "tile"))
218 { 167 {
219 new_flags |= BG_TILE; 168 new_flags |= IM_TILE;
220 w = h = noScale; 169 w = h = noScale;
221 geom_flags |= WidthValue|HeightValue; 170 geom_flags |= WidthValue|HeightValue;
222 } 171 }
223 else if (!strcasecmp (arr[i], "propscale")) 172 else if (!strcasecmp (arr[i], "propscale"))
224 { 173 {
225 new_flags |= BG_KEEP_ASPECT; 174 new_flags |= IM_KEEP_ASPECT;
226 w = h = windowScale; 175 w = h = windowScale;
227 geom_flags |= WidthValue|HeightValue; 176 geom_flags |= WidthValue|HeightValue;
228 } 177 }
229 else if (!strcasecmp (arr[i], "hscale")) 178 else if (!strcasecmp (arr[i], "hscale"))
230 { 179 {
231 new_flags |= BG_TILE; 180 new_flags |= IM_TILE;
232 w = windowScale; 181 w = windowScale;
233 h = noScale; 182 h = noScale;
234 geom_flags |= WidthValue|HeightValue; 183 geom_flags |= WidthValue|HeightValue;
235 } 184 }
236 else if (!strcasecmp (arr[i], "vscale")) 185 else if (!strcasecmp (arr[i], "vscale"))
237 { 186 {
238 new_flags |= BG_TILE; 187 new_flags |= IM_TILE;
239 h = windowScale; 188 h = windowScale;
240 w = noScale; 189 w = noScale;
241 geom_flags |= WidthValue|HeightValue; 190 geom_flags |= WidthValue|HeightValue;
242 } 191 }
243 else if (!strcasecmp (arr[i], "scale")) 192 else if (!strcasecmp (arr[i], "scale"))
… …
251 x = y = centerAlign; 200 x = y = centerAlign;
252 geom_flags |= WidthValue|HeightValue|XValue|YValue; 201 geom_flags |= WidthValue|HeightValue|XValue|YValue;
253 } 202 }
254 else if (!strcasecmp (arr[i], "root")) 203 else if (!strcasecmp (arr[i], "root"))
255 { 204 {
256 new_flags |= BG_TILE|BG_ROOT_ALIGN; 205 new_flags |= IM_TILE|IM_ROOT_ALIGN;
257 w = h = noScale; 206 w = h = noScale;
258 geom_flags |= WidthValue|HeightValue; 207 geom_flags |= WidthValue|HeightValue;
259 } 208 }
260 209
261 else 210 else
… …
263 } /* done parsing ops */ 212 } /* done parsing ops */
264 213
265 rxvt_free_strsplit (arr); 214 rxvt_free_strsplit (arr);
266 } 215 }
267 216
268 new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS; 217 new_flags |= flags & ~IM_GEOMETRY_FLAGS;
269 218
270 if (!update) 219 if (!update)
271 { 220 {
272 if (!(geom_flags & XValue)) 221 if (!(geom_flags & XValue))
273 x = y = defaultAlign; 222 x = y = defaultAlign;
… …
280 h = w; 229 h = w;
281 else if (!(geom_flags & WidthValue)) 230 else if (!(geom_flags & WidthValue))
282 w = h; 231 w = h;
283 } 232 }
284 233
285 min_it (w, 1000);
286 min_it (h, 1000);
287 clamp_it (x, -100, 200); 234 clamp_it (x, -100, 200);
288 clamp_it (y, -100, 200); 235 clamp_it (y, -100, 200);
289 236
290 if (bg_flags != new_flags 237 if (flags != new_flags
291 || h_scale != w 238 || h_scale != w
292 || v_scale != h 239 || v_scale != h
293 || h_align != x 240 || h_align != x
294 || v_align != y) 241 || v_align != y)
295 { 242 {
296 bg_flags = new_flags; 243 flags = new_flags;
297 h_scale = w; 244 h_scale = w;
298 v_scale = h; 245 v_scale = h;
299 h_align = x; 246 h_align = x;
300 v_align = y; 247 v_align = y;
301 changed = true; 248 changed = true;
302 } 249 }
303 250
251 if (is_size_sensitive ())
252 flags |= IM_IS_SIZE_SENSITIVE;
253 else
254 flags &= ~IM_IS_SIZE_SENSITIVE;
255
304 return changed; 256 return changed;
305} 257}
306 258
307void 259void
308rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) 260rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
309{ 261{
262 int image_width = image.img->w;
263 int image_height = image.img->h;
310 int target_width = szHint.width; 264 int parent_width = szHint.width;
311 int target_height = szHint.height; 265 int parent_height = szHint.height;
266 int h_scale = min (image.h_scale, 32767 * 100 / parent_width);
267 int v_scale = min (image.v_scale, 32767 * 100 / parent_height);
312 268
313 w = h_scale * target_width / 100; 269 w = h_scale * parent_width / 100;
314 h = v_scale * target_height / 100; 270 h = v_scale * parent_height / 100;
315 271
316 if (bg_flags & BG_KEEP_ASPECT) 272 if (image.flags & IM_KEEP_ASPECT)
317 { 273 {
318 float scale = (float)w / image_width; 274 float scale = (float)w / image_width;
319 min_it (scale, (float)h / image_height); 275 min_it (scale, (float)h / image_height);
320 w = image_width * scale + 0.5; 276 w = image_width * scale + 0.5;
321 h = image_height * scale + 0.5; 277 h = image_height * scale + 0.5;
322 } 278 }
323 279
324 if (!w) w = image_width; 280 if (!w) w = image_width;
325 if (!h) h = image_height; 281 if (!h) h = image_height;
326 282
327 if (bg_flags & BG_ROOT_ALIGN) 283 if (image.flags & IM_ROOT_ALIGN)
328 { 284 {
329 x = -target_x; 285 x = -parent_x;
330 y = -target_y; 286 y = -parent_y;
331 } 287 }
332 else 288 else
333 { 289 {
334 x = make_align_position (h_align, target_width, w); 290 x = make_align_position (image.h_align, parent_width, w);
335 y = make_align_position (v_align, target_height, h); 291 y = make_align_position (image.v_align, parent_height, h);
336 }
337
338 if (!(bg_flags & BG_TILE)
339 || h_scale || v_scale
340 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
341 || image_width > target_width || image_height > target_height)
342 bg_flags |= BG_IS_SIZE_SENSITIVE;
343 else
344 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
345}
346
347# ifdef HAVE_PIXBUF
348bool
349rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
350 int src_x, int src_y, int dst_x, int dst_y,
351 unsigned int width, unsigned int height)
352{
353 XImage *ximage;
354 char *data, *line;
355 int bytes_per_pixel;
356 int width_r, width_g, width_b;
357 int sh_r, sh_g, sh_b;
358 int rowstride;
359 int channels;
360 unsigned char *row;
361
362 if (visual->c_class != TrueColor)
363 return false;
364
365 if (depth == 24 || depth == 32)
366 bytes_per_pixel = 4;
367 else if (depth == 15 || depth == 16)
368 bytes_per_pixel = 2;
369 else
370 return false;
371
372 width_r = ecb_popcount32 (visual->red_mask);
373 width_g = ecb_popcount32 (visual->green_mask);
374 width_b = ecb_popcount32 (visual->blue_mask);
375
376 if (width_r > 8 || width_g > 8 || width_b > 8)
377 return false;
378
379 sh_r = ecb_ctz32 (visual->red_mask);
380 sh_g = ecb_ctz32 (visual->green_mask);
381 sh_b = ecb_ctz32 (visual->blue_mask);
382
383 if (width > INT_MAX / height / bytes_per_pixel)
384 return false;
385
386 data = (char *)malloc (width * height * bytes_per_pixel);
387 if (!data)
388 return false;
389
390 ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
391 width, height, bytes_per_pixel * 8, 0);
392 if (!ximage)
393 { 292 }
394 free (data);
395 return false;
396 }
397
398 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
399
400 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
401 channels = gdk_pixbuf_get_n_channels (pixbuf);
402 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
403 line = data;
404
405 for (int y = 0; y < height; y++)
406 {
407 for (int x = 0; x < width; x++)
408 {
409 unsigned char *pixel = row + x * channels;
410 uint32_t value;
411
412 value = ((pixel[0] >> (8 - width_r)) << sh_r)
413 | ((pixel[1] >> (8 - width_g)) << sh_g)
414 | ((pixel[2] >> (8 - width_b)) << sh_b);
415
416 if (bytes_per_pixel == 4)
417 ((uint32_t *)line)[x] = value;
418 else
419 ((uint16_t *)line)[x] = value;
420 }
421
422 row += rowstride;
423 line += ximage->bytes_per_line;
424 }
425
426 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
427 XDestroyImage (ximage);
428 return true;
429} 293}
430 294
431bool 295bool
432rxvt_term::render_image (bool transparent) 296rxvt_term::render_image (rxvt_image &image)
433{ 297{
434 if (!pixbuf)
435 return false;
436
437 if (transparent
438 && !(bg_flags & BG_HAS_RENDER))
439 return false;
440
441 GdkPixbuf *result;
442
443 int image_width = gdk_pixbuf_get_width (pixbuf);
444 int image_height = gdk_pixbuf_get_height (pixbuf);
445
446 int target_width = szHint.width; 298 int parent_width = szHint.width;
447 int target_height = szHint.height; 299 int parent_height = szHint.height;
448 int new_pmap_width = target_width;
449 int new_pmap_height = target_height;
450 300
451 int x = 0; 301 int x = 0;
452 int y = 0; 302 int y = 0;
453 int w = 0; 303 int w = 0;
454 int h = 0; 304 int h = 0;
455 305
456 get_image_geometry (image_width, image_height, w, h, x, y); 306 get_image_geometry (image, w, h, x, y);
457 307
458 if (!(bg_flags & BG_ROOT_ALIGN) 308 if (!(image.flags & IM_ROOT_ALIGN)
459 && (x >= target_width 309 && (x >= parent_width
460 || y >= target_height 310 || y >= parent_height
461 || x + w <= 0 311 || x + w <= 0
462 || y + h <= 0)) 312 || y + h <= 0))
463 return false; 313 return false;
464 314
465 result = pixbuf; 315 rxvt_img *img = image.img->scale (w, h);
466 316
467 if (w != image_width 317 if (image.flags & IM_TILE)
468 || h != image_height) 318 img->repeat_mode (RepeatNormal);
469 {
470 result = gdk_pixbuf_scale_simple (pixbuf,
471 w, h,
472 GDK_INTERP_BILINEAR);
473 }
474
475 if (!result)
476 return false;
477
478 bool ret = false;
479
480 XGCValues gcv;
481 GC gc;
482 Pixmap root_pmap;
483
484 image_width = gdk_pixbuf_get_width (result);
485 image_height = gdk_pixbuf_get_height (result);
486
487 if (transparent)
488 {
489 root_pmap = bg_pixmap;
490 bg_pixmap = None;
491 }
492 else 319 else
493 { 320 img->repeat_mode (RepeatNone);
321 img->sub_rect (-x, -y, parent_width, parent_height)->replace (img);
322
494 if (bg_flags & BG_TILE) 323 if (bg_flags & BG_IS_VALID)
495 {
496 new_pmap_width = min (image_width, target_width);
497 new_pmap_height = min (image_height, target_height);
498 }
499 } 324 {
500 325 double factor = image.alpha * 1. / 0xffff;
501 if (bg_pixmap == None 326 bg_img->blend (img, factor)->replace (img);
502 || bg_pmap_width != new_pmap_width
503 || bg_pmap_height != new_pmap_height)
504 { 327 }
505 if (bg_pixmap)
506 XFreePixmap (dpy, bg_pixmap);
507 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
508 bg_pmap_width = new_pmap_width;
509 bg_pmap_height = new_pmap_height;
510 }
511 328
512 gcv.foreground = pix_colors[Color_bg];
513 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
514
515 if (gc)
516 {
517 if (bg_flags & BG_TILE)
518 {
519 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
520 pixbuf_to_pixmap (result, tile, gc,
521 0, 0,
522 0, 0,
523 image_width, image_height);
524
525 gcv.tile = tile;
526 gcv.fill_style = FillTiled;
527 gcv.ts_x_origin = x;
528 gcv.ts_y_origin = y;
529 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
530
531 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
532 XFreePixmap (dpy, tile);
533 }
534 else
535 {
536 int src_x, src_y, dst_x, dst_y;
537 int dst_width, dst_height;
538
539 src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
540 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
541
542 if (dst_x > 0 || dst_y > 0
543 || dst_x + dst_width < new_pmap_width
544 || dst_y + dst_height < new_pmap_height)
545 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
546
547 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
548 pixbuf_to_pixmap (result, bg_pixmap, gc,
549 src_x, src_y,
550 dst_x, dst_y,
551 dst_width, dst_height);
552 }
553
554#if XRENDER
555 if (transparent)
556 {
557 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 329 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
330 img->convert_format (format, pix_colors [Color_bg])->replace (img);
558 331
559 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0); 332 delete bg_img;
333 bg_img = img;
560 334
561 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
562
563 Picture mask = create_xrender_mask (dpy, vt, False, False);
564
565 XRenderColor mask_c;
566
567 mask_c.alpha = 0x8000;
568 mask_c.red =
569 mask_c.green =
570 mask_c.blue = 0;
571 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
572
573 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
574
575 XRenderFreePicture (dpy, src);
576 XRenderFreePicture (dpy, dst);
577 XRenderFreePicture (dpy, mask);
578 }
579#endif
580
581 XFreeGC (dpy, gc);
582
583 ret = true;
584 }
585
586 if (result != pixbuf)
587 g_object_unref (result);
588
589 if (transparent)
590 XFreePixmap (dpy, root_pmap);
591
592 return ret; 335 return true;
593} 336}
594# endif /* HAVE_PIXBUF */
595 337
596bool 338rxvt_image::rxvt_image ()
597rxvt_term::bg_set_file (const char *file) 339{
340 alpha = 0xffff;
341 flags = 0;
342 h_scale =
343 v_scale = defaultScale;
344 h_align =
345 v_align = defaultAlign;
346
347 img = 0;
348}
349
350void
351rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
598{ 352{
599 if (!file || !*file) 353 if (!file || !*file)
600 return false; 354 return;
601 355
602 bool ret = false;
603 const char *p = strchr (file, ';'); 356 const char *p = strchr (file, ';');
604 357
605 if (p) 358 if (p)
606 { 359 {
607 size_t len = p - file; 360 size_t len = p - file;
… …
609 memcpy (f, file, len); 362 memcpy (f, file, len);
610 f[len] = '\0'; 363 f[len] = '\0';
611 file = f; 364 file = f;
612 } 365 }
613 366
614# ifdef HAVE_PIXBUF 367 set_file (s, file);
615 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 368 alpha = 0x8000;
616 if (image) 369 set_geometry (p ? p + 1 : "");
617 { 370}
618 if (pixbuf)
619 g_object_unref (pixbuf);
620 pixbuf = image;
621 bg_flags |= BG_IS_FROM_FILE;
622 ret = true;
623 }
624# endif
625 371
626 if (ret) 372void
627 { 373rxvt_image::set_file (rxvt_screen *s, const char *file)
628 if (p) 374{
629 bg_set_geometry (p + 1); 375 rxvt_img *img2 = rxvt_img::new_from_file (s, file);
630 else 376 delete img;
631 bg_set_default_geometry (); 377 img = img2;
632 }
633
634 return ret;
635} 378}
636 379
637# endif /* BG_IMAGE_FROM_FILE */ 380# endif /* BG_IMAGE_FROM_FILE */
638 381
639# ifdef ENABLE_TRANSPARENCY
640bool 382bool
641rxvt_term::bg_set_transparent () 383image_effects::set_blur (const char *geom)
642{
643 if (!(bg_flags & BG_IS_TRANSPARENT))
644 {
645 bg_flags |= BG_IS_TRANSPARENT;
646 return true;
647 }
648
649 return false;
650}
651
652bool
653rxvt_term::bg_set_blur (const char *geom)
654{ 384{
655 bool changed = false; 385 bool changed = false;
656 unsigned int hr, vr; 386 unsigned int hr, vr;
657 int junk; 387 int junk;
658 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr); 388 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
… …
675 { 405 {
676 changed = true; 406 changed = true;
677 v_blurRadius = vr; 407 v_blurRadius = vr;
678 } 408 }
679 409
680 if (h_blurRadius && v_blurRadius)
681 bg_flags |= BG_NEEDS_BLUR;
682 else
683 bg_flags &= ~BG_NEEDS_BLUR;
684
685 return changed; 410 return changed;
686} 411}
687 412
688void
689rxvt_term::set_tint_shade_flags ()
690{
691 if (shade != 100 || (bg_flags & BG_TINT_SET))
692 bg_flags |= BG_NEEDS_TINT;
693 else
694 bg_flags &= ~BG_NEEDS_TINT;
695}
696
697bool 413bool
698rxvt_term::bg_set_tint (rxvt_color &new_tint) 414image_effects::set_tint (const rxvt_color &new_tint)
699{ 415{
700 if (!(bg_flags & BG_TINT_SET) || tint != new_tint) 416 if (!tint_set || tint != new_tint)
701 { 417 {
702 tint = new_tint; 418 tint = new_tint;
703 bg_flags |= BG_TINT_SET; 419 tint_set = true;
704 420
705 rgba c;
706 tint.get (c);
707 if ((c.r <= 0x00ff || c.r >= 0xff00)
708 && (c.g <= 0x00ff || c.g >= 0xff00)
709 && (c.b <= 0x00ff || c.b >= 0xff00))
710 bg_flags |= BG_TINT_BITAND;
711 else
712 bg_flags &= ~BG_TINT_BITAND;
713
714 set_tint_shade_flags ();
715 return true; 421 return true;
716 } 422 }
717 423
718 return false; 424 return false;
719} 425}
720 426
721bool 427bool
722rxvt_term::bg_set_shade (const char *shade_str) 428image_effects::set_shade (const char *shade_str)
723{ 429{
724 int new_shade = atoi (shade_str); 430 int new_shade = atoi (shade_str);
725 431
726 clamp_it (new_shade, -100, 200); 432 clamp_it (new_shade, -100, 200);
727 if (new_shade < 0) 433 if (new_shade < 0)
728 new_shade = 200 - (100 + new_shade); 434 new_shade = 200 - (100 + new_shade);
729 435
730 if (new_shade != shade) 436 if (new_shade != shade)
731 { 437 {
732 shade = new_shade; 438 shade = new_shade;
733 set_tint_shade_flags ();
734 return true; 439 return true;
735 } 440 }
736 441
737 return false; 442 return false;
738} 443}
739 444
740#if XRENDER 445# if ENABLE_TRANSPARENCY
741static void
742get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
743{
744 double sigma = radius / 2.0;
745 double scale = sqrt (2.0 * M_PI) * sigma;
746 double sum = 0.0;
747
748 for (int i = 0; i < width; i++)
749 {
750 double x = i - width / 2;
751 kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
752 sum += kernel[i];
753 }
754
755 params[0] = XDoubleToFixed (width);
756 params[1] = XDoubleToFixed (1);
757
758 for (int i = 0; i < width; i++)
759 params[i+2] = XDoubleToFixed (kernel[i] / sum);
760}
761#endif
762
763bool
764rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
765{
766 bool ret = false;
767#if XRENDER
768 if (!(bg_flags & BG_HAS_RENDER_CONV))
769 return false;
770
771 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
772 double *kernel = (double *)malloc (size * sizeof (double));
773 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
774
775 XRenderPictureAttributes pa;
776 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
777
778 pa.repeat = RepeatPad;
779 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
780 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
781 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
782 XFreePixmap (dpy, tmp);
783
784 if (kernel && params)
785 {
786 size = h_blurRadius * 2 + 1;
787 get_gaussian_kernel (h_blurRadius, size, kernel, params);
788
789 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
790 XRenderComposite (dpy,
791 PictOpSrc,
792 src,
793 None,
794 dst,
795 0, 0,
796 0, 0,
797 0, 0,
798 width, height);
799
800 ::swap (src, dst);
801
802 size = v_blurRadius * 2 + 1;
803 get_gaussian_kernel (v_blurRadius, size, kernel, params);
804 ::swap (params[0], params[1]);
805
806 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
807 XRenderComposite (dpy,
808 PictOpSrc,
809 src,
810 None,
811 dst,
812 0, 0,
813 0, 0,
814 0, 0,
815 width, height);
816
817 ret = true;
818 }
819
820 free (kernel);
821 free (params);
822 XRenderFreePicture (dpy, src);
823 XRenderFreePicture (dpy, dst);
824#endif
825 return ret;
826}
827
828bool
829rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
830{
831 bool ret = false;
832
833 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
834 {
835 XGCValues gcv;
836 GC gc;
837
838 /* In this case we can tint image server-side getting significant
839 * performance improvements, as we eliminate XImage transfer
840 */
841 gcv.foreground = Pixel (tint);
842 gcv.function = GXand;
843 gcv.fill_style = FillSolid;
844 gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
845 if (gc)
846 {
847 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
848 ret = true;
849 XFreeGC (dpy, gc);
850 }
851 }
852# if XRENDER
853 else if (bg_flags & BG_HAS_RENDER)
854 {
855 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
856
857 if (bg_flags & BG_TINT_SET)
858 tint.get (c);
859
860 if (shade <= 100)
861 {
862 c.r = c.r * shade / 100;
863 c.g = c.g * shade / 100;
864 c.b = c.b * shade / 100;
865 }
866 else
867 {
868 c.r = c.r * (200 - shade) / 100;
869 c.g = c.g * (200 - shade) / 100;
870 c.b = c.b * (200 - shade) / 100;
871 }
872
873 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
874
875 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
876
877 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
878
879 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
880
881 XRenderColor mask_c;
882
883 mask_c.alpha = 0xffff;
884 mask_c.red =
885 mask_c.green =
886 mask_c.blue = 0;
887 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
888
889 mask_c.alpha = 0;
890 mask_c.red = 0xffff - c.r;
891 mask_c.green = 0xffff - c.g;
892 mask_c.blue = 0xffff - c.b;
893 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
894
895 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
896
897 if (shade > 100)
898 {
899 mask_c.alpha = 0;
900 mask_c.red =
901 mask_c.green =
902 mask_c.blue = 0xffff * (shade - 100) / 100;
903 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
904
905 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
906 }
907
908 ret = true;
909
910 XRenderFreePicture (dpy, mask_pic);
911 XRenderFreePicture (dpy, overlay_pic);
912 XRenderFreePicture (dpy, back_pic);
913 }
914# endif
915
916 return ret;
917}
918
919/* 446/*
920 * Builds a pixmap of the same size as the terminal window that contains 447 * Builds a pixmap of the same size as the terminal window that contains
921 * the tiled portion of the root pixmap that is supposed to be covered by 448 * the tiled portion of the root pixmap that is supposed to be covered by
922 * our window. 449 * our window.
923 */ 450 */
924bool 451bool
925rxvt_term::make_transparency_pixmap () 452rxvt_term::render_root_image ()
926{ 453{
927 bool ret = false;
928
929 /* root dimensions may change from call to call - but Display structure should 454 /* root dimensions may change from call to call - but Display structure should
930 * be always up-to-date, so let's use it : 455 * be always up-to-date, so let's use it :
931 */ 456 */
932 int screen = display->screen; 457 int screen = display->screen;
933 int root_depth = DefaultDepth (dpy, screen);
934 int root_width = DisplayWidth (dpy, screen); 458 int root_width = DisplayWidth (dpy, screen);
935 int root_height = DisplayHeight (dpy, screen); 459 int root_height = DisplayHeight (dpy, screen);
936 unsigned int root_pmap_width, root_pmap_height;
937 int window_width = szHint.width; 460 int parent_width = szHint.width;
938 int window_height = szHint.height; 461 int parent_height = szHint.height;
939 int sx, sy; 462 int sx, sy;
940 XGCValues gcv;
941 GC gc;
942 463
943 sx = target_x; 464 sx = parent_x;
944 sy = target_y; 465 sy = parent_y;
466
467 if (!root_img)
468 return false;
945 469
946 /* check if we are outside of the visible part of the virtual screen : */ 470 /* check if we are outside of the visible part of the virtual screen : */
947 if (sx + window_width <= 0 || sy + window_height <= 0 471 if (sx + parent_width <= 0 || sy + parent_height <= 0
948 || sx >= root_width || sy >= root_height) 472 || sx >= root_width || sy >= root_height)
949 return 0; 473 return 0;
950 474
951 // validate root pixmap and get its size 475 while (sx < 0) sx += root_img->w;
952 if (root_pixmap != None) 476 while (sy < 0) sy += root_img->h;
953 {
954 Window wdummy;
955 int idummy;
956 unsigned int udummy;
957 477
958 allowedxerror = -1; 478 rxvt_img *img = root_img->sub_rect (sx, sy, parent_width, parent_height);
959 479
960 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy)) 480 if (root_effects.need_blur ())
961 root_pixmap = None; 481 img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
962 482
963 allowedxerror = 0; 483 if (root_effects.need_tint ())
964 } 484 tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
965 485
966 Pixmap recoded_root_pmap = root_pixmap;
967
968 if (root_pixmap != None && root_depth != depth)
969 {
970#if XRENDER
971 if (bg_flags & BG_HAS_RENDER)
972 {
973 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
974
975 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
976 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
977
978 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 486 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
979 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0); 487 img->convert_format (format, pix_colors [Color_bg])->replace (img);
980 488
981 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 489 delete bg_img;
490 bg_img = img;
982 491
983 XRenderFreePicture (dpy, src);
984 XRenderFreePicture (dpy, dst);
985 }
986 else
987#endif
988 recoded_root_pmap = None;
989 }
990
991 if (recoded_root_pmap == None)
992 return 0;
993
994 if (bg_pixmap == None
995 || bg_pmap_width != window_width
996 || bg_pmap_height != window_height)
997 {
998 if (bg_pixmap)
999 XFreePixmap (dpy, bg_pixmap);
1000 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1001 bg_pmap_width = window_width;
1002 bg_pmap_height = window_height;
1003 }
1004
1005 /* straightforward pixmap copy */
1006 while (sx < 0) sx += root_pmap_width;
1007 while (sy < 0) sy += root_pmap_height;
1008
1009 gcv.tile = recoded_root_pmap;
1010 gcv.fill_style = FillTiled;
1011 gcv.ts_x_origin = -sx;
1012 gcv.ts_y_origin = -sy;
1013 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1014
1015 if (gc)
1016 {
1017 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1018 ret = true;
1019 unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1020
1021 if (!(bg_flags & BG_CLIENT_RENDER))
1022 {
1023 if (bg_flags & BG_NEEDS_BLUR)
1024 {
1025 if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1026 tr_flags &= ~BG_NEEDS_BLUR;
1027 }
1028 if (bg_flags & BG_NEEDS_TINT)
1029 {
1030 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1031 tr_flags &= ~BG_NEEDS_TINT;
1032 }
1033 if (tr_flags & BG_NEEDS_TINT)
1034 {
1035 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1036 if (ximage)
1037 {
1038 /* our own client-side tinting */
1039 tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1040
1041 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1042 XDestroyImage (ximage);
1043 }
1044 }
1045 } /* server side rendering completed */
1046
1047 XFreeGC (dpy, gc);
1048 }
1049
1050 if (recoded_root_pmap != root_pixmap)
1051 XFreePixmap (dpy, recoded_root_pmap);
1052
1053 return ret; 492 return true;
1054} 493}
1055 494
1056void 495void
1057rxvt_term::bg_set_root_pixmap () 496rxvt_term::bg_set_root_pixmap ()
1058{ 497{
1059 Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]); 498 delete root_img;
1060 if (new_root_pixmap == None) 499 root_img = rxvt_img::new_from_root (this);
1061 new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1062
1063 root_pixmap = new_root_pixmap;
1064} 500}
1065# endif /* ENABLE_TRANSPARENCY */ 501# endif /* ENABLE_TRANSPARENCY */
1066 502
1067bool 503void
1068rxvt_term::bg_render () 504rxvt_term::bg_render ()
1069{ 505{
1070 bool transparent = false; 506 if (bg_flags & BG_INHIBIT_RENDER)
507 return;
1071 508
1072 bg_invalidate (); 509 bg_invalidate ();
1073# ifdef ENABLE_TRANSPARENCY 510# if ENABLE_TRANSPARENCY
1074 if (bg_flags & BG_IS_TRANSPARENT) 511 if (bg_flags & BG_IS_TRANSPARENT)
1075 { 512 {
1076 /* we need to re-generate transparency pixmap in that case ! */ 513 /* we need to re-generate transparency pixmap in that case ! */
1077 transparent = make_transparency_pixmap (); 514 if (render_root_image ())
1078 if (transparent)
1079 bg_flags |= BG_IS_VALID; 515 bg_flags |= BG_IS_VALID;
1080 } 516 }
1081# endif 517# endif
1082 518
1083# ifdef BG_IMAGE_FROM_FILE 519# if BG_IMAGE_FROM_FILE
1084 if (bg_flags & BG_IS_FROM_FILE) 520 if (fimage.img)
1085 { 521 {
1086 if (render_image (transparent)) 522 if (render_image (fimage))
1087 bg_flags |= BG_IS_VALID; 523 bg_flags |= BG_IS_VALID;
1088 } 524 }
1089# endif 525# endif
1090 526
1091 if (!(bg_flags & BG_IS_VALID)) 527 if (!(bg_flags & BG_IS_VALID))
1092 { 528 {
1093 if (bg_pixmap != None) 529 delete bg_img;
1094 { 530 bg_img = 0;
1095 XFreePixmap (dpy, bg_pixmap);
1096 bg_pixmap = None;
1097 }
1098 } 531 }
1099 532
1100 scr_recolour (false); 533 scr_recolour (false);
1101 bg_flags |= BG_NEEDS_REFRESH; 534 bg_flags |= BG_NEEDS_REFRESH;
1102 535
1103 bg_valid_since = ev::now (); 536 bg_valid_since = ev::now ();
1104
1105 return true;
1106} 537}
1107 538
1108void 539void
1109rxvt_term::bg_init () 540rxvt_term::bg_init ()
1110{ 541{
1111#ifdef ENABLE_TRANSPARENCY 542#if ENABLE_TRANSPARENCY
1112 shade = 100; 543 if (option (Opt_transparent))
544 {
545 bg_set_transparent ();
546
547 if (rs [Rs_blurradius])
548 root_effects.set_blur (rs [Rs_blurradius]);
549
550 if (ISSET_PIXCOLOR (Color_tint))
551 root_effects.set_tint (pix_colors_focused [Color_tint]);
552
553 if (rs [Rs_shade])
554 root_effects.set_shade (rs [Rs_shade]);
555
556 bg_set_root_pixmap ();
557 XSelectInput (dpy, display->root, PropertyChangeMask);
558 rootwin_ev.start (display, display->root);
559 }
1113#endif 560#endif
1114 561
1115 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV); 562#if BG_IMAGE_FROM_FILE
1116#if XRENDER 563 if (rs[Rs_backgroundPixmap])
1117 int major, minor;
1118 if (XRenderQueryVersion (dpy, &major, &minor))
1119 bg_flags |= BG_HAS_RENDER;
1120 XFilters *filters = XRenderQueryFilters (dpy, vt);
1121 if (filters)
1122 { 564 {
1123 for (int i = 0; i < filters->nfilter; i++) 565 fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]);
1124 if (!strcmp (filters->filter[i], FilterConvolution)) 566 if (!bg_window_position_sensitive ())
1125 bg_flags |= BG_HAS_RENDER_CONV; 567 update_background ();
1126
1127 XFree (filters);
1128 } 568 }
1129#endif 569#endif
1130} 570}
1131 571
1132#endif /* HAVE_BG_PIXMAP */
1133
1134#ifdef ENABLE_TRANSPARENCY
1135/* based on code from aterm-0.4.2 */
1136
1137static inline void
1138fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1139{
1140 for (int i = 0; i <= mask >> sh; i++)
1141 {
1142 uint32_t tmp;
1143 tmp = i * high;
1144 tmp += (mask >> sh) * low;
1145 lookup[i] = (tmp / 0xffff) << sh;
1146 }
1147}
1148
1149void 572void
1150rxvt_term::tint_ximage (Visual *visual, XImage *ximage) 573rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
1151{ 574{
1152 int sh_r, sh_g, sh_b;
1153 uint32_t mask_r, mask_g, mask_b;
1154 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1155 unsigned short low;
1156 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1157
1158 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1159
1160 /* for convenience */
1161 mask_r = visual->red_mask;
1162 mask_g = visual->green_mask;
1163 mask_b = visual->blue_mask;
1164
1165 /* boring lookup table pre-initialization */
1166 switch (ximage->depth)
1167 {
1168 case 15:
1169 if ((mask_r != 0x7c00) ||
1170 (mask_g != 0x03e0) ||
1171 (mask_b != 0x001f))
1172 return;
1173 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1174 lookup_r = lookup;
1175 lookup_g = lookup+32;
1176 lookup_b = lookup+32+32;
1177 sh_r = 10;
1178 sh_g = 5;
1179 sh_b = 0;
1180 break;
1181 case 16:
1182 if ((mask_r != 0xf800) ||
1183 (mask_g != 0x07e0) ||
1184 (mask_b != 0x001f))
1185 return;
1186 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1187 lookup_r = lookup;
1188 lookup_g = lookup+32;
1189 lookup_b = lookup+32+64;
1190 sh_r = 11;
1191 sh_g = 5;
1192 sh_b = 0;
1193 break;
1194 case 24:
1195 if ((mask_r != 0xff0000) ||
1196 (mask_g != 0x00ff00) ||
1197 (mask_b != 0x0000ff))
1198 return;
1199 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1200 lookup_r = lookup;
1201 lookup_g = lookup+256;
1202 lookup_b = lookup+256+256;
1203 sh_r = 16;
1204 sh_g = 8;
1205 sh_b = 0;
1206 break;
1207 case 32:
1208 if ((mask_r != 0xff0000) ||
1209 (mask_g != 0x00ff00) ||
1210 (mask_b != 0x0000ff))
1211 return;
1212 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1213 lookup_r = lookup;
1214 lookup_g = lookup+256;
1215 lookup_b = lookup+256+256;
1216 sh_r = 16;
1217 sh_g = 8;
1218 sh_b = 0;
1219 break;
1220 default:
1221 return; /* we do not support this color depth */
1222 }
1223
1224 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 575 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1225 576
1226 if (bg_flags & BG_TINT_SET) 577 if (tint_set)
1227 tint.get (c); 578 tint.get (c);
1228 579
1229 /* prepare limits for color transformation (each channel is handled separately) */
1230 if (shade > 100) 580 if (shade > 100)
1231 { 581 {
1232 c.r = c.r * (200 - shade) / 100; 582 c.r = c.r * (200 - shade) / 100;
1233 c.g = c.g * (200 - shade) / 100; 583 c.g = c.g * (200 - shade) / 100;
1234 c.b = c.b * (200 - shade) / 100; 584 c.b = c.b * (200 - shade) / 100;
1235
1236 low = 0xffff * (shade - 100) / 100;
1237 } 585 }
1238 else 586 else
1239 { 587 {
1240 c.r = c.r * shade / 100; 588 c.r = c.r * shade / 100;
1241 c.g = c.g * shade / 100; 589 c.g = c.g * shade / 100;
1242 c.b = c.b * shade / 100; 590 c.b = c.b * shade / 100;
1243
1244 low = 0;
1245 }
1246
1247 /* fill our lookup tables */
1248 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1249 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1250 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1251
1252 /* apply table to input image (replacing colors by newly calculated ones) */
1253 if (ximage->bits_per_pixel == 32
1254 && (ximage->depth == 24 || ximage->depth == 32)
1255 && ximage->byte_order == host_byte_order)
1256 { 591 }
1257 uint32_t *p1, *pf, *p, *pl;
1258 p1 = (uint32_t *) ximage->data;
1259 pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1260 592
1261 while (p1 < pf) 593 img->contrast (c.r, c.g, c.b, c.a);
1262 { 594
1263 p = p1; 595 if (shade > 100)
1264 pl = p1 + ximage->width;
1265 for (; p < pl; p++)
1266 {
1267 *p = lookup_r[(*p & 0xff0000) >> 16] |
1268 lookup_g[(*p & 0x00ff00) >> 8] |
1269 lookup_b[(*p & 0x0000ff)] |
1270 (*p & 0xff000000);
1271 }
1272 p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
1273 }
1274 } 596 {
1275 else 597 c.a = 0xffff;
598 c.r =
599 c.g =
600 c.b = 0xffff * (shade - 100) / 100;
601 img->brightness (c.r, c.g, c.b, c.a);
1276 { 602 }
1277 for (int y = 0; y < ximage->height; y++)
1278 for (int x = 0; x < ximage->width; x++)
1279 {
1280 unsigned long pixel = XGetPixel (ximage, x, y);
1281 pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1282 lookup_g[(pixel & mask_g) >> sh_g] |
1283 lookup_b[(pixel & mask_b) >> sh_b];
1284 XPutPixel (ximage, x, y, pixel);
1285 }
1286 }
1287
1288 free (lookup);
1289} 603}
1290#endif /* ENABLE_TRANSPARENCY */ 604
605#endif /* HAVE_BG_PIXMAP */

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