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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.197 by sf-exg, Wed Jan 11 13:22:01 2012 UTC vs.
Revision 1.225 by sf-exg, Wed May 30 21:20:05 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 <cmath> 25#include <math.h>
26#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
28 28
29#if XRENDER 29#if XRENDER
30# include <X11/extensions/Xrender.h> 30# include <X11/extensions/Xrender.h>
… …
58# endif 58# endif
59 59
60void 60void
61rxvt_term::bg_destroy () 61rxvt_term::bg_destroy ()
62{ 62{
63#ifdef HAVE_AFTERIMAGE 63# ifdef BG_IMAGE_FROM_FILE
64 if (original_asim) 64 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
65 safe_asimage_destroy (original_asim); 65 bg_image->destroy ();
66 if (asv)
67 destroy_asvisual (asv, 0);
68 if (asimman)
69 destroy_image_manager (asimman, 0);
70#endif 66# endif
71
72#ifdef HAVE_PIXBUF
73 if (pixbuf)
74 g_object_unref (pixbuf);
75#endif
76 67
77 if (bg_pixmap) 68 if (bg_pixmap)
78 XFreePixmap (dpy, bg_pixmap); 69 XFreePixmap (dpy, bg_pixmap);
79} 70}
80 71
… …
99 if (bg_flags & BG_IS_TRANSPARENT) 90 if (bg_flags & BG_IS_TRANSPARENT)
100 return true; 91 return true;
101# endif 92# endif
102 93
103# ifdef BG_IMAGE_FROM_FILE 94# ifdef BG_IMAGE_FROM_FILE
104 if (bg_flags & BG_IS_FROM_FILE) 95 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
105 { 96 {
106 if (bg_flags & BG_IS_SIZE_SENSITIVE) 97 if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
98 || bg_image->width () > szHint.width
99 || bg_image->height () > szHint.height)
107 return true; 100 return true;
108 } 101 }
109# endif 102# endif
110 103
111 return false; 104 return false;
… …
118 if (bg_flags & BG_IS_TRANSPARENT) 111 if (bg_flags & BG_IS_TRANSPARENT)
119 return true; 112 return true;
120# endif 113# endif
121 114
122# ifdef BG_IMAGE_FROM_FILE 115# ifdef BG_IMAGE_FROM_FILE
123 if (bg_flags & BG_IS_FROM_FILE) 116 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
124 { 117 {
125 if (bg_flags & BG_ROOT_ALIGN) 118 if (bg_image->flags & IM_ROOT_ALIGN)
126 return true; 119 return true;
127 } 120 }
128# endif 121# endif
129 122
130 return false; 123 return false;
131} 124}
132 125
133# ifdef BG_IMAGE_FROM_FILE 126# ifdef BG_IMAGE_FROM_FILE
134static inline bool
135check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
136{
137 if (geom_flags & flag)
138 {
139 if (new_value > 1000)
140 new_value = 1000;
141 if (new_value != scale)
142 {
143 scale = new_value;
144 return true;
145 }
146 }
147 return false;
148}
149
150static inline bool
151check_set_align_value (int geom_flags, int flag, int &align, int new_value)
152{
153 if (geom_flags & flag)
154 {
155 if (new_value < -100)
156 new_value = -100;
157 else if (new_value > 200)
158 new_value = 200;
159 if (new_value != align)
160 {
161 align = new_value;
162 return true;
163 }
164 }
165 return false;
166}
167
168static inline int 127static inline int
169make_align_position (int align, int window_size, int image_size) 128make_align_position (int align, int window_size, int image_size)
170{ 129{
171 int diff = window_size - image_size;
172 int smaller = min (image_size, window_size);
173
174 if (align >= 0 && align <= 100) 130 if (align >= 0 && align <= 100)
175 return diff * align / 100; 131 return lerp (0, window_size - image_size, align);
176 else if (align > 100 && align <= 200) 132 else if (align > 100)
177 return (align - 100) * smaller / 100 + window_size - smaller; 133 return lerp (window_size - image_size, window_size, align - 100);
178 else if (align >= -100 && align < 0) 134 else
179 return (align + 100) * smaller / 100 - image_size; 135 return lerp (-image_size, 0, align + 100);
180 return 0;
181} 136}
182 137
183static inline int 138static inline int
184make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 139make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
185{ 140{
… …
195 150
196 min_it (dst_size, target_size - dst_pos); 151 min_it (dst_size, target_size - dst_pos);
197 return src_pos; 152 return src_pos;
198} 153}
199 154
155static void
156parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
157{
158 if (!strcasecmp (style, "tiled"))
159 {
160 flags = IM_TILE;
161 w = h = noScale;
162 x = y = 0;
163 }
164 else if (!strcasecmp (style, "aspect-stretched"))
165 {
166 flags = IM_KEEP_ASPECT;
167 w = h = windowScale;
168 x = y = centerAlign;
169 }
170 else if (!strcasecmp (style, "stretched"))
171 {
172 flags = 0;
173 w = h = windowScale;
174 x = y = centerAlign;
175 }
176 else if (!strcasecmp (style, "centered"))
177 {
178 flags = 0;
179 w = h = noScale;
180 x = y = centerAlign;
181 }
182 else if (!strcasecmp (style, "root-tiled"))
183 {
184 flags = IM_TILE|IM_ROOT_ALIGN;
185 w = h = noScale;
186 x = y = 0;
187 }
188}
189
200bool 190bool
201rxvt_term::bg_set_geometry (const char *geom, bool update) 191rxvt_image::set_geometry (const char *geom, bool update)
202{ 192{
203 bool changed = false; 193 bool changed = false;
204 int geom_flags = 0; 194 int geom_flags = 0;
205 int x = 0, y = 0; 195 int x = h_align;
196 int y = v_align;
206 unsigned int w = 0, h = 0; 197 unsigned int w = h_scale;
207 unsigned long new_flags = 0; 198 unsigned int h = v_scale;
199 uint8_t new_flags = 0;
208 200
209 if (geom == NULL) 201 if (geom == NULL)
210 return false; 202 return false;
211 203
212 if (geom[0]) 204 if (geom[0])
213 { 205 {
214 char **arr = rxvt_strsplit (':', geom); 206 char **arr = rxvt_strsplit (':', geom);
215 207
216 for (int i = 0; arr[i]; i++) 208 for (int i = 0; arr[i]; i++)
217 { 209 {
218 if (!strcasecmp (arr[i], "style=tiled")) 210 if (!strncasecmp (arr[i], "style=", 6))
219 { 211 {
220 new_flags = BG_TILE; 212 parse_style (arr[i] + 6, x, y, w, h, new_flags);
221 w = h = noScale;
222 x = y = 0;
223 geom_flags = WidthValue|HeightValue|XValue|YValue; 213 geom_flags = WidthValue|HeightValue|XValue|YValue;
224 } 214 }
225 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
226 {
227 new_flags = BG_KEEP_ASPECT;
228 w = h = windowScale;
229 x = y = centerAlign;
230 geom_flags = WidthValue|HeightValue|XValue|YValue;
231 }
232 else if (!strcasecmp (arr[i], "style=stretched"))
233 {
234 new_flags = 0;
235 w = h = windowScale;
236 geom_flags = WidthValue|HeightValue;
237 }
238 else if (!strcasecmp (arr[i], "style=centered"))
239 {
240 new_flags = 0;
241 w = h = noScale;
242 x = y = centerAlign;
243 geom_flags = WidthValue|HeightValue|XValue|YValue;
244 }
245 else if (!strcasecmp (arr[i], "style=root-tiled"))
246 {
247 new_flags = BG_TILE|BG_ROOT_ALIGN;
248 w = h = noScale;
249 geom_flags = WidthValue|HeightValue;
250 }
251 else if (!strcasecmp (arr[i], "op=tile")) 215 else if (!strcasecmp (arr[i], "op=tile"))
252 new_flags |= BG_TILE; 216 new_flags |= IM_TILE;
253 else if (!strcasecmp (arr[i], "op=keep-aspect")) 217 else if (!strcasecmp (arr[i], "op=keep-aspect"))
254 new_flags |= BG_KEEP_ASPECT; 218 new_flags |= IM_KEEP_ASPECT;
255 else if (!strcasecmp (arr[i], "op=root-align")) 219 else if (!strcasecmp (arr[i], "op=root-align"))
256 new_flags |= BG_ROOT_ALIGN; 220 new_flags |= IM_ROOT_ALIGN;
257 221
258 // deprecated 222 // deprecated
259 else if (!strcasecmp (arr[i], "tile")) 223 else if (!strcasecmp (arr[i], "tile"))
260 { 224 {
261 new_flags |= BG_TILE; 225 new_flags |= IM_TILE;
262 w = h = noScale; 226 w = h = noScale;
263 geom_flags |= WidthValue|HeightValue; 227 geom_flags |= WidthValue|HeightValue;
264 } 228 }
265 else if (!strcasecmp (arr[i], "propscale")) 229 else if (!strcasecmp (arr[i], "propscale"))
266 { 230 {
267 new_flags |= BG_KEEP_ASPECT; 231 new_flags |= IM_KEEP_ASPECT;
268 w = h = windowScale; 232 w = h = windowScale;
269 geom_flags |= WidthValue|HeightValue; 233 geom_flags |= WidthValue|HeightValue;
270 } 234 }
271 else if (!strcasecmp (arr[i], "hscale")) 235 else if (!strcasecmp (arr[i], "hscale"))
272 { 236 {
273 new_flags |= BG_TILE; 237 new_flags |= IM_TILE;
274 w = windowScale; 238 w = windowScale;
275 h = noScale; 239 h = noScale;
276 geom_flags |= WidthValue|HeightValue; 240 geom_flags |= WidthValue|HeightValue;
277 } 241 }
278 else if (!strcasecmp (arr[i], "vscale")) 242 else if (!strcasecmp (arr[i], "vscale"))
279 { 243 {
280 new_flags |= BG_TILE; 244 new_flags |= IM_TILE;
281 h = windowScale; 245 h = windowScale;
282 w = noScale; 246 w = noScale;
283 geom_flags |= WidthValue|HeightValue; 247 geom_flags |= WidthValue|HeightValue;
284 } 248 }
285 else if (!strcasecmp (arr[i], "scale")) 249 else if (!strcasecmp (arr[i], "scale"))
… …
293 x = y = centerAlign; 257 x = y = centerAlign;
294 geom_flags |= WidthValue|HeightValue|XValue|YValue; 258 geom_flags |= WidthValue|HeightValue|XValue|YValue;
295 } 259 }
296 else if (!strcasecmp (arr[i], "root")) 260 else if (!strcasecmp (arr[i], "root"))
297 { 261 {
298 new_flags |= BG_TILE|BG_ROOT_ALIGN; 262 new_flags |= IM_TILE|IM_ROOT_ALIGN;
299 w = h = noScale; 263 w = h = noScale;
300 geom_flags |= WidthValue|HeightValue; 264 geom_flags |= WidthValue|HeightValue;
301 } 265 }
302 266
303 else 267 else
… …
305 } /* done parsing ops */ 269 } /* done parsing ops */
306 270
307 rxvt_free_strsplit (arr); 271 rxvt_free_strsplit (arr);
308 } 272 }
309 273
310 new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS; 274 new_flags |= flags & ~IM_GEOMETRY_FLAGS;
311 275
312 if (!update) 276 if (!update)
313 { 277 {
314 if (!(geom_flags & XValue)) 278 if (!(geom_flags & XValue))
315 x = y = defaultAlign; 279 x = y = defaultAlign;
… …
320 w = h = defaultScale; 284 w = h = defaultScale;
321 else if (!(geom_flags & HeightValue)) 285 else if (!(geom_flags & HeightValue))
322 h = w; 286 h = w;
323 else if (!(geom_flags & WidthValue)) 287 else if (!(geom_flags & WidthValue))
324 w = h; 288 w = h;
325
326 geom_flags |= WidthValue|HeightValue|XValue|YValue;
327 }
328
329 if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
330 if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
331 if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
332 if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
333
334 if (new_flags != bg_flags)
335 { 289 }
290
291 clamp_it (x, -100, 200);
292 clamp_it (y, -100, 200);
293
294 if (flags != new_flags
295 || h_scale != w
296 || v_scale != h
297 || h_align != x
298 || v_align != y)
299 {
336 bg_flags = new_flags; 300 flags = new_flags;
301 h_scale = w;
302 v_scale = h;
303 h_align = x;
304 v_align = y;
337 changed = true; 305 changed = true;
338 } 306 }
339 307
308 if (is_size_sensitive ())
309 flags |= IM_IS_SIZE_SENSITIVE;
310 else
311 flags &= ~IM_IS_SIZE_SENSITIVE;
312
340 return changed; 313 return changed;
341} 314}
342 315
343void 316void
344rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) 317rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
345{ 318{
319 int image_width = image.width ();
320 int image_height = image.height ();
346 int target_width = szHint.width; 321 int target_width = szHint.width;
347 int target_height = szHint.height; 322 int target_height = szHint.height;
323 int h_scale = min (image.h_scale, 32767 * 100 / target_width);
324 int v_scale = min (image.v_scale, 32767 * 100 / target_height);
348 325
349 w = h_scale * target_width / 100; 326 w = h_scale * target_width / 100;
350 h = v_scale * target_height / 100; 327 h = v_scale * target_height / 100;
351 328
352 if (bg_flags & BG_KEEP_ASPECT) 329 if (image.flags & IM_KEEP_ASPECT)
353 { 330 {
354 float scale = (float)w / image_width; 331 float scale = (float)w / image_width;
355 min_it (scale, (float)h / image_height); 332 min_it (scale, (float)h / image_height);
356 w = image_width * scale + 0.5; 333 w = image_width * scale + 0.5;
357 h = image_height * scale + 0.5; 334 h = image_height * scale + 0.5;
358 } 335 }
359 336
360 if (!w) w = image_width; 337 if (!w) w = image_width;
361 if (!h) h = image_height; 338 if (!h) h = image_height;
362 339
363 if (bg_flags & BG_ROOT_ALIGN) 340 if (image.flags & IM_ROOT_ALIGN)
364 { 341 {
365 x = -target_x; 342 x = -target_x;
366 y = -target_y; 343 y = -target_y;
367 } 344 }
368 else 345 else
369 { 346 {
370 x = make_align_position (h_align, target_width, w); 347 x = make_align_position (image.h_align, target_width, w);
371 y = make_align_position (v_align, target_height, h); 348 y = make_align_position (image.v_align, target_height, h);
372 }
373
374 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
375 if (!(bg_flags & BG_TILE)
376 || h_scale || v_scale
377 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
378 || w > target_width || h > target_height)
379 bg_flags |= BG_IS_SIZE_SENSITIVE;
380}
381
382# ifdef HAVE_AFTERIMAGE
383bool
384rxvt_term::render_image (unsigned long tr_flags)
385{
386 init_asv ();
387
388 ASImage *background = NULL;
389 ARGB32 background_tint = TINT_LEAVE_SAME;
390
391# ifdef ENABLE_TRANSPARENCY
392 if (tr_flags)
393 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
394
395 if (tr_flags & BG_NEEDS_TINT)
396 { 349 }
397 ShadingInfo as_shade; 350}
398 as_shade.shading = shade;
399 351
400 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 352# ifdef HAVE_PIXBUF
401 if (bg_flags & BG_TINT_SET) 353bool
402 tint.get (c); 354rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
403 as_shade.tintColor.red = c.r; 355 int src_x, int src_y, int dst_x, int dst_y,
404 as_shade.tintColor.green = c.g; 356 unsigned int width, unsigned int height, bool argb)
405 as_shade.tintColor.blue = c.b; 357{
358 XImage *ximage;
359 char *line;
360 int width_r, width_g, width_b, width_a;
361 int sh_r, sh_g, sh_b, sh_a;
362 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
363 int rowstride;
364 int channels;
365 unsigned char *row;
406 366
407 background_tint = shading2tint32 (&as_shade); 367 if (visual->c_class != TrueColor)
368 return false;
369
370 if (argb)
408 } 371 {
409 372 red_mask = 0xff << 16;
410 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL) 373 green_mask = 0xff << 8;
374 blue_mask = 0xff;
375 alpha_mask = 0xff << 24;
411 { 376 }
412 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF, 377 else
413 ASA_XImage, 378 {
414 100, ASIMAGE_QUALITY_DEFAULT); 379 red_mask = visual->red_mask;
380 green_mask = visual->green_mask;
381 blue_mask = visual->blue_mask;
382#if XRENDER
383 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
415 if (tmp) 384 if (format)
385 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
386 else
387#endif
388 alpha_mask = 0;
389 }
390
391 width_r = ecb_popcount32 (red_mask);
392 width_g = ecb_popcount32 (green_mask);
393 width_b = ecb_popcount32 (blue_mask);
394 width_a = ecb_popcount32 (alpha_mask);
395
396 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
397 return false;
398
399 sh_r = ecb_ctz32 (red_mask);
400 sh_g = ecb_ctz32 (green_mask);
401 sh_b = ecb_ctz32 (blue_mask);
402 sh_a = ecb_ctz32 (alpha_mask);
403
404 if (width > 32767 || height > 32767)
405 return false;
406
407 ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
408 width, height, 32, 0);
409 if (!ximage)
410 return false;
411
412 if (height > INT_MAX / ximage->bytes_per_line
413 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
414 {
415 XDestroyImage (ximage);
416 return false;
417 }
418
419 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
420
421 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
422 channels = gdk_pixbuf_get_n_channels (pixbuf);
423 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
424 line = ximage->data;
425
426 rgba c (0, 0, 0);
427
428 if (channels == 4 && alpha_mask == 0)
429 {
430 pix_colors[Color_bg].get (c);
431 c.r >>= 8;
432 c.g >>= 8;
433 c.b >>= 8;
434 }
435
436 for (int y = 0; y < height; y++)
437 {
438 for (int x = 0; x < width; x++)
439 {
440 unsigned char *pixel = row + x * channels;
441 uint32_t value;
442 unsigned char r, g, b, a;
443
444 if (channels == 4)
416 { 445 {
417 destroy_asimage (&background); 446 a = pixel[3];
418 background = tmp; 447 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
448 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
449 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
450 }
451 else
452 {
453 a = 0xff;
454 r = pixel[0];
455 g = pixel[1];
456 b = pixel[2];
457 }
458
459 value = ((r >> (8 - width_r)) << sh_r)
460 | ((g >> (8 - width_g)) << sh_g)
461 | ((b >> (8 - width_b)) << sh_b)
462 | ((a >> (8 - width_a)) << sh_a);
463
464 if (ximage->bits_per_pixel == 32)
465 ((uint32_t *)line)[x] = value;
466 else
467 XPutPixel (ximage, x, y, value);
419 } 468 }
420 }
421# endif
422 469
423 ASImage *result = 0; 470 row += rowstride;
471 line += ximage->bytes_per_line;
472 }
473
474 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
475 XDestroyImage (ximage);
476 return true;
477}
478
479bool
480rxvt_term::render_image (rxvt_image &image)
481{
482 GdkPixbuf *pixbuf = image.pixbuf;
483 if (!pixbuf)
484 return false;
485
486 bool need_blend = bg_flags & BG_IS_VALID;
487
488 if (need_blend
489 && !(bg_flags & BG_HAS_RENDER))
490 return false;
491
492 GdkPixbuf *result;
493
494 int image_width = gdk_pixbuf_get_width (pixbuf);
495 int image_height = gdk_pixbuf_get_height (pixbuf);
424 496
425 int target_width = szHint.width; 497 int target_width = szHint.width;
426 int target_height = szHint.height; 498 int target_height = szHint.height;
427 int new_pmap_width = target_width; 499 int new_pmap_width = target_width;
428 int new_pmap_height = target_height; 500 int new_pmap_height = target_height;
… …
430 int x = 0; 502 int x = 0;
431 int y = 0; 503 int y = 0;
432 int w = 0; 504 int w = 0;
433 int h = 0; 505 int h = 0;
434 506
435 if (original_asim) 507 get_image_geometry (image, w, h, x, y);
436 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
437 508
438 if (!original_asim 509 if (!(image.flags & IM_ROOT_ALIGN)
439 || (!(bg_flags & BG_ROOT_ALIGN)
440 && (x >= target_width 510 && (x >= target_width
441 || y >= target_height 511 || y >= target_height
442 || x + w <= 0 512 || x + w <= 0
443 || y + h <= 0))) 513 || y + h <= 0))
514 return false;
515
516 result = pixbuf;
517
518 if (w != image_width
519 || h != image_height)
520 {
521 result = gdk_pixbuf_scale_simple (pixbuf,
522 w, h,
523 GDK_INTERP_BILINEAR);
444 { 524 }
445 if (background)
446 {
447 new_pmap_width = background->width;
448 new_pmap_height = background->height;
449 result = background;
450 525
451 if (background_tint != TINT_LEAVE_SAME) 526 if (!result)
527 return false;
528
529 bool ret = false;
530
531 XGCValues gcv;
532 GC gc;
533 Pixmap tmp_pixmap;
534
535 image_width = gdk_pixbuf_get_width (result);
536 image_height = gdk_pixbuf_get_height (result);
537
538 if (need_blend)
539 tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
540 else
541 {
542 // optimise bg pixmap size when tiling, but only if there are no
543 // other pixbufs to render. Otherwise, the bg pixmap size must
544 // be equal to the window size.
545 if ((image.flags & IM_TILE)
546 && image_vec.size () == 1)
452 { 547 {
453 ASImage *tmp = tile_asimage (asv, background, 0, 0, 548 new_pmap_width = min (image_width, target_width);
454 target_width, target_height, background_tint, 549 new_pmap_height = min (image_height, target_height);
455 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
456 if (tmp)
457 result = tmp;
458 }
459 } 550 }
460 else
461 new_pmap_width = new_pmap_height = 0;
462 }
463 else
464 {
465 result = original_asim;
466 551
467 if (w != original_asim->width
468 || h != original_asim->height)
469 {
470 result = scale_asimage (asv, original_asim,
471 w, h,
472 ASA_XImage,
473 100, ASIMAGE_QUALITY_DEFAULT);
474 }
475
476 if (background == NULL)
477 {
478 if (bg_flags & BG_TILE)
479 {
480 /* if tiling - pixmap has to be sized exactly as the image,
481 but there is no need to make it bigger than the window! */
482 new_pmap_width = min (result->width, target_width);
483 new_pmap_height = min (result->height, target_height);
484
485 /* we also need to tile our image in both directions */
486 ASImage *tmp = tile_asimage (asv, result,
487 (int)result->width - x,
488 (int)result->height - y,
489 new_pmap_width,
490 new_pmap_height,
491 TINT_LEAVE_SAME, ASA_XImage,
492 100, ASIMAGE_QUALITY_DEFAULT);
493 if (tmp)
494 {
495 if (result != original_asim)
496 destroy_asimage (&result);
497
498 result = tmp;
499 }
500 }
501 }
502 else
503 {
504 /* if blending background and image - pixmap has to be sized same as target window */
505 ASImageLayer *layers = create_image_layers (2);
506
507 layers[0].im = background;
508 layers[0].clip_width = target_width;
509 layers[0].clip_height = target_height;
510 layers[0].tint = background_tint;
511 layers[1].im = result;
512
513 if (bg_flags & BG_TILE)
514 {
515 /* tile horizontally */
516 while (x > 0) x -= (int)result->width;
517 layers[1].dst_x = x;
518 layers[1].clip_width = result->width+target_width;
519 }
520 else
521 {
522 /* clip horizontally */
523 layers[1].dst_x = x;
524 layers[1].clip_width = result->width;
525 }
526
527 if (bg_flags & BG_TILE)
528 {
529 while (y > 0) y -= (int)result->height;
530 layers[1].dst_y = y;
531 layers[1].clip_height = result->height + target_height;
532 }
533 else
534 {
535 layers[1].dst_y = y;
536 layers[1].clip_height = result->height;
537 }
538
539 if (rs[Rs_blendtype])
540 {
541 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
542 if (layers[1].merge_scanlines == NULL)
543 layers[1].merge_scanlines = alphablend_scanlines;
544 }
545
546 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
547 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
548
549 if (tmp)
550 {
551 if (result != original_asim)
552 destroy_asimage (&result);
553
554 result = tmp;
555 }
556
557 free (layers);
558 }
559 }
560
561 bool ret = false;
562
563 if (result)
564 {
565 XGCValues gcv;
566 GC gc;
567
568 /* create Pixmap */
569 if (bg_pixmap == None 552 if (bg_pixmap == None
570 || bg_pmap_width != new_pmap_width 553 || bg_pmap_width != new_pmap_width
571 || bg_pmap_height != new_pmap_height) 554 || bg_pmap_height != new_pmap_height)
572 { 555 {
573 if (bg_pixmap) 556 if (bg_pixmap)
574 XFreePixmap (dpy, bg_pixmap); 557 XFreePixmap (dpy, bg_pixmap);
575 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth); 558 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
576 bg_pmap_width = new_pmap_width; 559 bg_pmap_width = new_pmap_width;
577 bg_pmap_height = new_pmap_height; 560 bg_pmap_height = new_pmap_height;
578 } 561 }
579 /* fill with background color (if result's not completely overlapping it) */
580 gcv.foreground = pix_colors[Color_bg];
581 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
582 562
583 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
584 int dst_width = result->width, dst_height = result->height;
585 if (background == NULL)
586 {
587 if (!(bg_flags & BG_TILE))
588 {
589 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
590 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
591 }
592
593 if (dst_x > 0 || dst_y > 0
594 || dst_x + dst_width < new_pmap_width
595 || dst_y + dst_height < new_pmap_height)
596 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
597 }
598
599 /* put result on pixmap */
600 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
601 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
602
603 if (result != background && result != original_asim)
604 destroy_asimage (&result);
605
606 XFreeGC (dpy, gc);
607
608 ret = true;
609 }
610
611 if (background)
612 destroy_asimage (&background);
613
614 return ret;
615}
616# endif /* HAVE_AFTERIMAGE */
617
618# ifdef HAVE_PIXBUF
619bool
620rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
621 int src_x, int src_y, int dst_x, int dst_y,
622 unsigned int width, unsigned int height)
623{
624 XImage *ximage;
625 char *data, *line;
626 int bytes_per_pixel;
627 int width_r, width_g, width_b;
628 int sh_r, sh_g, sh_b;
629 int rowstride;
630 int channels;
631 unsigned char *row;
632
633 if (visual->c_class != TrueColor)
634 return false;
635
636 if (depth == 24 || depth == 32)
637 bytes_per_pixel = 4;
638 else if (depth == 15 || depth == 16)
639 bytes_per_pixel = 2;
640 else
641 return false;
642
643 width_r = ecb_popcount32 (visual->red_mask);
644 width_g = ecb_popcount32 (visual->green_mask);
645 width_b = ecb_popcount32 (visual->blue_mask);
646
647 if (width_r > 8 || width_g > 8 || width_b > 8)
648 return false;
649
650 sh_r = ecb_ctz32 (visual->red_mask);
651 sh_g = ecb_ctz32 (visual->green_mask);
652 sh_b = ecb_ctz32 (visual->blue_mask);
653
654 if (width > INT_MAX / height / bytes_per_pixel)
655 return false;
656
657 data = (char *)malloc (width * height * bytes_per_pixel);
658 if (!data)
659 return false;
660
661 ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
662 width, height, bytes_per_pixel * 8, 0);
663 if (!ximage)
664 {
665 free (data);
666 return false;
667 }
668
669 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
670
671 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
672 channels = gdk_pixbuf_get_n_channels (pixbuf);
673 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
674 line = data;
675
676 for (int y = 0; y < height; y++)
677 {
678 for (int x = 0; x < width; x++)
679 {
680 unsigned char *pixel = row + x * channels;
681 uint32_t value;
682
683 value = ((pixel[0] >> (8 - width_r)) << sh_r)
684 | ((pixel[1] >> (8 - width_g)) << sh_g)
685 | ((pixel[2] >> (8 - width_b)) << sh_b);
686
687 if (bytes_per_pixel == 4)
688 ((uint32_t *)line)[x] = value;
689 else
690 ((uint16_t *)line)[x] = value;
691 }
692
693 row += rowstride;
694 line += ximage->bytes_per_line;
695 }
696
697 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
698 XDestroyImage (ximage);
699 return true;
700}
701
702bool
703rxvt_term::render_image (unsigned long tr_flags)
704{
705 if (!pixbuf)
706 return false;
707
708 if (tr_flags
709 && !(bg_flags & BG_HAS_RENDER))
710 return false;
711
712 GdkPixbuf *result;
713
714 int image_width = gdk_pixbuf_get_width (pixbuf);
715 int image_height = gdk_pixbuf_get_height (pixbuf);
716
717 int target_width = szHint.width;
718 int target_height = szHint.height;
719 int new_pmap_width = target_width;
720 int new_pmap_height = target_height;
721
722 int x = 0;
723 int y = 0;
724 int w = 0;
725 int h = 0;
726
727 get_image_geometry (image_width, image_height, w, h, x, y);
728
729 if (!(bg_flags & BG_ROOT_ALIGN)
730 && (x >= target_width
731 || y >= target_height
732 || x + w <= 0
733 || y + h <= 0))
734 return false;
735
736 result = pixbuf;
737
738 if (w != image_width
739 || h != image_height)
740 {
741 result = gdk_pixbuf_scale_simple (pixbuf,
742 w, h,
743 GDK_INTERP_BILINEAR);
744 }
745
746 if (!result)
747 return false;
748
749 bool ret = false;
750
751 XGCValues gcv;
752 GC gc;
753 Pixmap root_pmap;
754
755 image_width = gdk_pixbuf_get_width (result);
756 image_height = gdk_pixbuf_get_height (result);
757
758 if (tr_flags)
759 {
760 root_pmap = bg_pixmap; 563 tmp_pixmap = bg_pixmap;
761 bg_pixmap = None;
762 }
763 else
764 {
765 if (bg_flags & BG_TILE)
766 {
767 new_pmap_width = min (image_width, target_width);
768 new_pmap_height = min (image_height, target_height);
769 }
770 }
771
772 if (bg_pixmap == None
773 || bg_pmap_width != new_pmap_width
774 || bg_pmap_height != new_pmap_height)
775 {
776 if (bg_pixmap)
777 XFreePixmap (dpy, bg_pixmap);
778 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
779 bg_pmap_width = new_pmap_width;
780 bg_pmap_height = new_pmap_height;
781 } 564 }
782 565
783 gcv.foreground = pix_colors[Color_bg]; 566 gcv.foreground = pix_colors[Color_bg];
784 gc = XCreateGC (dpy, vt, GCForeground, &gcv); 567 gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
785 568
786 if (gc) 569 if (gc)
787 { 570 {
788 if (bg_flags & BG_TILE) 571 if (image.flags & IM_TILE)
789 { 572 {
790 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth); 573 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
791 pixbuf_to_pixmap (result, tile, gc, 574 pixbuf_to_pixmap (result, tile, gc,
792 0, 0, 575 0, 0,
793 0, 0, 576 0, 0,
794 image_width, image_height); 577 image_width, image_height, need_blend);
795 578
796 gcv.tile = tile; 579 gcv.tile = tile;
797 gcv.fill_style = FillTiled; 580 gcv.fill_style = FillTiled;
798 gcv.ts_x_origin = x; 581 gcv.ts_x_origin = x;
799 gcv.ts_y_origin = y; 582 gcv.ts_y_origin = y;
800 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 583 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
801 584
802 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); 585 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
803 XFreePixmap (dpy, tile); 586 XFreePixmap (dpy, tile);
804 } 587 }
805 else 588 else
806 { 589 {
807 int src_x, src_y, dst_x, dst_y; 590 int src_x, src_y, dst_x, dst_y;
… …
811 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height); 594 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
812 595
813 if (dst_x > 0 || dst_y > 0 596 if (dst_x > 0 || dst_y > 0
814 || dst_x + dst_width < new_pmap_width 597 || dst_x + dst_width < new_pmap_width
815 || dst_y + dst_height < new_pmap_height) 598 || dst_y + dst_height < new_pmap_height)
816 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); 599 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
817 600
818 if (dst_x < new_pmap_width && dst_y < new_pmap_height) 601 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
819 pixbuf_to_pixmap (result, bg_pixmap, gc, 602 pixbuf_to_pixmap (result, tmp_pixmap, gc,
820 src_x, src_y, 603 src_x, src_y,
821 dst_x, dst_y, 604 dst_x, dst_y,
822 dst_width, dst_height); 605 dst_width, dst_height, need_blend);
823 } 606 }
824 607
825#if XRENDER 608#if XRENDER
826 if (tr_flags) 609 if (need_blend)
827 { 610 {
611 XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
828 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 612 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
829 613
830 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0); 614 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
831 615
832 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0); 616 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
833 617
834 Picture mask = create_xrender_mask (dpy, vt, False, False); 618 Picture mask = create_xrender_mask (dpy, vt, False, False);
835 619
836 XRenderColor mask_c; 620 XRenderColor mask_c;
837 621
838 mask_c.alpha = 0x8000; 622 mask_c.alpha = image.alpha;
839 mask_c.red = 623 mask_c.red =
840 mask_c.green = 624 mask_c.green =
841 mask_c.blue = 0; 625 mask_c.blue = 0;
842 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 626 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
843 627
… …
855 } 639 }
856 640
857 if (result != pixbuf) 641 if (result != pixbuf)
858 g_object_unref (result); 642 g_object_unref (result);
859 643
860 if (tr_flags) 644 if (need_blend)
861 XFreePixmap (dpy, root_pmap); 645 XFreePixmap (dpy, tmp_pixmap);
862 646
863 return ret; 647 return ret;
864} 648}
865# endif /* HAVE_PIXBUF */ 649# endif /* HAVE_PIXBUF */
866 650
651# ifndef NO_RESOURCES
652static int
653rxvt_define_image (XrmDatabase *database ecb_unused,
654 XrmBindingList bindings ecb_unused,
655 XrmQuarkList quarks,
656 XrmRepresentation *type ecb_unused,
657 XrmValue *value,
658 XPointer closure ecb_unused)
659{
660 int size;
661
662 for (size = 0; quarks[size] != NULLQUARK; size++)
663 ;
664
665 if (size >= 2)
666 {
667 int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
668 if (id >= 1)
669 GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
670 }
671 return False;
672}
673
674void
675rxvt_term::parse_image (int id, const char *type, const char *arg)
676{
677 if (image_vec.size () < id + 1)
678 image_vec.resize (id + 1);
679
680 rxvt_image *image = &image_vec[id];
681}
682# endif
683
684rxvt_image::rxvt_image ()
685{
686 alpha = 0xffff;
687 flags = 0;
688 h_scale =
689 v_scale = defaultScale;
690 h_align =
691 v_align = defaultAlign;
692
693# ifdef HAVE_PIXBUF
694 pixbuf = 0;
695# endif
696}
697
867bool 698bool
868rxvt_term::bg_set_file (const char *file) 699rxvt_image::set_file_geometry (const char *file)
869{ 700{
870 if (!file || !*file) 701 if (!file || !*file)
871 return false; 702 return false;
872 703
873 bool ret = false;
874 const char *p = strchr (file, ';'); 704 const char *p = strchr (file, ';');
875 705
876 if (p) 706 if (p)
877 { 707 {
878 size_t len = p - file; 708 size_t len = p - file;
… …
880 memcpy (f, file, len); 710 memcpy (f, file, len);
881 f[len] = '\0'; 711 f[len] = '\0';
882 file = f; 712 file = f;
883 } 713 }
884 714
885# ifdef HAVE_AFTERIMAGE 715 bool ret = set_file (file);
886 if (!asimman) 716 alpha = 0x8000;
887 asimman = create_generic_imageman (rs[Rs_path]); 717 if (ret)
888 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100); 718 set_geometry (p ? p + 1 : "");
889 if (image) 719 return ret;
890 { 720}
891 if (original_asim) 721
892 safe_asimage_destroy (original_asim); 722bool
893 original_asim = image; 723rxvt_image::set_file (const char *file)
894 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER; 724{
895 ret = true; 725 bool ret = false;
896 }
897# endif
898 726
899# ifdef HAVE_PIXBUF 727# ifdef HAVE_PIXBUF
900 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 728 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
901 if (image) 729 if (image)
902 { 730 {
903 if (pixbuf) 731 if (pixbuf)
904 g_object_unref (pixbuf); 732 g_object_unref (pixbuf);
905 pixbuf = image; 733 pixbuf = image;
906 bg_flags |= BG_IS_FROM_FILE;
907 ret = true; 734 ret = true;
908 } 735 }
909# endif 736# endif
910 737
911 if (ret) 738 if (ret)
912 { 739 flags |= IM_IS_SET;
913 if (p)
914 bg_set_geometry (p + 1);
915 else
916 bg_set_default_geometry ();
917 }
918 740
919 return ret; 741 return ret;
920} 742}
921 743
922# endif /* BG_IMAGE_FROM_FILE */ 744# endif /* BG_IMAGE_FROM_FILE */
923 745
924# ifdef ENABLE_TRANSPARENCY 746# ifdef ENABLE_TRANSPARENCY
925bool
926rxvt_term::bg_set_transparent ()
927{
928 if (!(bg_flags & BG_IS_TRANSPARENT))
929 {
930 bg_flags |= BG_IS_TRANSPARENT;
931 return true;
932 }
933
934 return false;
935}
936
937bool 747bool
938rxvt_term::bg_set_blur (const char *geom) 748rxvt_term::bg_set_blur (const char *geom)
939{ 749{
940 bool changed = false; 750 bool changed = false;
941 unsigned int hr, vr; 751 unsigned int hr, vr;
… …
960 { 770 {
961 changed = true; 771 changed = true;
962 v_blurRadius = vr; 772 v_blurRadius = vr;
963 } 773 }
964 774
965 if (h_blurRadius == 0 || v_blurRadius == 0)
966 bg_flags &= ~BG_NEEDS_BLUR;
967 else
968 bg_flags |= BG_NEEDS_BLUR;
969
970 return changed; 775 return changed;
971} 776}
972 777
973void 778bool
974rxvt_term::set_tint_shade_flags () 779rxvt_term::bg_set_tint (rxvt_color &new_tint)
975{ 780{
781 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
782 {
783 tint = new_tint;
784 bg_flags |= BG_TINT_SET;
785
976 rgba c; 786 rgba c;
977 bool has_shade = shade != 100;
978
979 bg_flags &= ~BG_TINT_FLAGS;
980
981 if (bg_flags & BG_TINT_SET)
982 {
983 tint.get (c); 787 tint.get (c);
984 if (!has_shade
985 && (c.r <= 0x00ff || c.r >= 0xff00) 788 if ((c.r <= 0x00ff || c.r >= 0xff00)
986 && (c.g <= 0x00ff || c.g >= 0xff00) 789 && (c.g <= 0x00ff || c.g >= 0xff00)
987 && (c.b <= 0x00ff || c.b >= 0xff00)) 790 && (c.b <= 0x00ff || c.b >= 0xff00))
988 bg_flags |= BG_TINT_BITAND; 791 bg_flags |= BG_TINT_BITAND;
989 } 792 else
990
991 if (has_shade || (bg_flags & BG_TINT_SET))
992 bg_flags |= BG_NEEDS_TINT;
993}
994
995bool
996rxvt_term::bg_set_tint (rxvt_color &new_tint)
997{
998 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
999 {
1000 tint = new_tint;
1001 bg_flags |= BG_TINT_SET; 793 bg_flags &= ~BG_TINT_BITAND;
1002 set_tint_shade_flags (); 794
1003 return true; 795 return true;
1004 } 796 }
1005 797
1006 return false; 798 return false;
1007} 799}
… …
1016 new_shade = 200 - (100 + new_shade); 808 new_shade = 200 - (100 + new_shade);
1017 809
1018 if (new_shade != shade) 810 if (new_shade != shade)
1019 { 811 {
1020 shade = new_shade; 812 shade = new_shade;
1021 set_tint_shade_flags ();
1022 return true; 813 return true;
1023 } 814 }
1024 815
1025 return false; 816 return false;
1026} 817}
… …
1047 params[i+2] = XDoubleToFixed (kernel[i] / sum); 838 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1048} 839}
1049#endif 840#endif
1050 841
1051bool 842bool
1052rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth) 843rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1053{ 844{
1054 bool ret = false; 845 bool ret = false;
1055#if XRENDER 846#if XRENDER
1056 if (!(bg_flags & BG_HAS_RENDER_CONV)) 847 if (!(bg_flags & BG_HAS_RENDER_CONV))
1057 return false; 848 return false;
… …
1112#endif 903#endif
1113 return ret; 904 return ret;
1114} 905}
1115 906
1116bool 907bool
1117rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 908rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1118{ 909{
1119 bool ret = false; 910 bool ret = false;
1120 911
1121 if (bg_flags & BG_TINT_BITAND) 912 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1122 { 913 {
1123 XGCValues gcv; 914 XGCValues gcv;
1124 GC gc; 915 GC gc;
1125 916
1126 /* In this case we can tint image server-side getting significant 917 /* In this case we can tint image server-side getting significant
… …
1207/* 998/*
1208 * Builds a pixmap of the same size as the terminal window that contains 999 * Builds a pixmap of the same size as the terminal window that contains
1209 * the tiled portion of the root pixmap that is supposed to be covered by 1000 * the tiled portion of the root pixmap that is supposed to be covered by
1210 * our window. 1001 * our window.
1211 */ 1002 */
1212unsigned long 1003bool
1213rxvt_term::make_transparency_pixmap () 1004rxvt_term::make_transparency_pixmap ()
1214{ 1005{
1215 unsigned long result = 0; 1006 bool ret = false;
1216 1007
1217 /* root dimensions may change from call to call - but Display structure should 1008 /* root dimensions may change from call to call - but Display structure should
1218 * be always up-to-date, so let's use it : 1009 * be always up-to-date, so let's use it :
1219 */ 1010 */
1220 int screen = display->screen; 1011 int screen = display->screen;
… …
1301 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1092 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1302 1093
1303 if (gc) 1094 if (gc)
1304 { 1095 {
1305 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1096 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1306 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1097 ret = true;
1098 bool need_blur = h_blurRadius && v_blurRadius;
1099 bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1307 1100
1308 if (!(bg_flags & BG_CLIENT_RENDER)) 1101 if (!(bg_flags & BG_CLIENT_RENDER))
1309 { 1102 {
1310 if (bg_flags & BG_NEEDS_BLUR) 1103 if (need_blur)
1311 { 1104 {
1312 if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth)) 1105 if (blur_pixmap (bg_pixmap, window_width, window_height))
1313 result &= ~BG_NEEDS_BLUR; 1106 need_blur = false;
1314 } 1107 }
1315 if (bg_flags & BG_NEEDS_TINT) 1108 if (need_tint)
1316 { 1109 {
1317 if (tint_pixmap (bg_pixmap, visual, window_width, window_height)) 1110 if (tint_pixmap (bg_pixmap, window_width, window_height))
1318 result &= ~BG_NEEDS_TINT; 1111 need_tint = false;
1319 } 1112 }
1320# ifndef HAVE_AFTERIMAGE 1113 if (need_tint)
1321 if (result & BG_NEEDS_TINT)
1322 { 1114 {
1323 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap); 1115 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1324 if (ximage) 1116 if (ximage)
1325 { 1117 {
1326 /* our own client-side tinting */ 1118 /* our own client-side tinting */
1327 tint_ximage (DefaultVisual (dpy, display->screen), ximage); 1119 tint_ximage (ximage);
1328 1120
1329 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height); 1121 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1330 XDestroyImage (ximage); 1122 XDestroyImage (ximage);
1331 } 1123 }
1332 } 1124 }
1333# endif
1334 } /* server side rendering completed */ 1125 } /* server side rendering completed */
1335 1126
1336 XFreeGC (dpy, gc); 1127 XFreeGC (dpy, gc);
1337 } 1128 }
1338 1129
1339 if (recoded_root_pmap != root_pixmap) 1130 if (recoded_root_pmap != root_pixmap)
1340 XFreePixmap (dpy, recoded_root_pmap); 1131 XFreePixmap (dpy, recoded_root_pmap);
1341 1132
1342 return result; 1133 return ret;
1343} 1134}
1344 1135
1345void 1136void
1346rxvt_term::bg_set_root_pixmap () 1137rxvt_term::bg_set_root_pixmap ()
1347{ 1138{
… …
1354# endif /* ENABLE_TRANSPARENCY */ 1145# endif /* ENABLE_TRANSPARENCY */
1355 1146
1356bool 1147bool
1357rxvt_term::bg_render () 1148rxvt_term::bg_render ()
1358{ 1149{
1359 unsigned long tr_flags = 0;
1360
1361 bg_invalidate (); 1150 bg_invalidate ();
1362# ifdef ENABLE_TRANSPARENCY 1151# ifdef ENABLE_TRANSPARENCY
1363 if (bg_flags & BG_IS_TRANSPARENT) 1152 if (bg_flags & BG_IS_TRANSPARENT)
1364 { 1153 {
1365 /* we need to re-generate transparency pixmap in that case ! */ 1154 /* we need to re-generate transparency pixmap in that case ! */
1366 tr_flags = make_transparency_pixmap (); 1155 if (make_transparency_pixmap ())
1367 if (tr_flags == 0)
1368 return false;
1369 bg_flags |= BG_IS_VALID; 1156 bg_flags |= BG_IS_VALID;
1370 } 1157 }
1371# endif 1158# endif
1372 1159
1373# ifdef BG_IMAGE_FROM_FILE 1160# ifdef BG_IMAGE_FROM_FILE
1374 if ((bg_flags & BG_IS_FROM_FILE) 1161 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1375 || (tr_flags & BG_EFFECTS_FLAGS))
1376 { 1162 {
1377 if (render_image (tr_flags)) 1163 if (render_image (*bg_image))
1378 bg_flags |= BG_IS_VALID; 1164 bg_flags |= BG_IS_VALID;
1379 } 1165 }
1380# endif 1166# endif
1381 1167
1382 if (!(bg_flags & BG_IS_VALID)) 1168 if (!(bg_flags & BG_IS_VALID))
… …
1416 bg_flags |= BG_HAS_RENDER_CONV; 1202 bg_flags |= BG_HAS_RENDER_CONV;
1417 1203
1418 XFree (filters); 1204 XFree (filters);
1419 } 1205 }
1420#endif 1206#endif
1207
1208#ifdef BG_IMAGE_FROM_FILE
1209 if (rs[Rs_backgroundPixmap])
1210 {
1211 rxvt_image *image = new_image ();
1212 if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
1213 image_vec.pop_back ();
1214 }
1215
1216# ifndef NO_RESOURCES
1217 find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
1218 vector<rxvt_image>::iterator bg_image = image_vec.begin ();
1219 while (bg_image != image_vec.end ())
1220 {
1221 if (!(bg_image->flags & IM_IS_SET))
1222 bg_image = image_vec.erase (bg_image);
1223 else
1224 {
1225 if (bg_image->is_size_sensitive ())
1226 bg_image->flags |= IM_IS_SIZE_SENSITIVE;
1227
1228 bg_image++;
1229 }
1230 }
1231# endif
1232
1233 if (image_vec.size () > 0
1234 && !bg_window_position_sensitive ())
1235 update_background ();
1236#endif
1421} 1237}
1422 1238
1423#endif /* HAVE_BG_PIXMAP */ 1239#endif /* HAVE_BG_PIXMAP */
1424 1240
1425#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1241#ifdef ENABLE_TRANSPARENCY
1426/* based on code from aterm-0.4.2 */ 1242/* based on code from aterm-0.4.2 */
1427 1243
1428static inline void 1244static inline void
1429fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high) 1245fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1430{ 1246{
… …
1436 lookup[i] = (tmp / 0xffff) << sh; 1252 lookup[i] = (tmp / 0xffff) << sh;
1437 } 1253 }
1438} 1254}
1439 1255
1440void 1256void
1441rxvt_term::tint_ximage (Visual *visual, XImage *ximage) 1257rxvt_term::tint_ximage (XImage *ximage)
1442{ 1258{
1259 unsigned int size_r, size_g, size_b;
1443 int sh_r, sh_g, sh_b; 1260 int sh_r, sh_g, sh_b;
1444 uint32_t mask_r, mask_g, mask_b; 1261 uint32_t mask_r, mask_g, mask_b;
1445 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1262 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1446 unsigned short low; 1263 unsigned short low;
1447 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 1264 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
… …
1452 mask_r = visual->red_mask; 1269 mask_r = visual->red_mask;
1453 mask_g = visual->green_mask; 1270 mask_g = visual->green_mask;
1454 mask_b = visual->blue_mask; 1271 mask_b = visual->blue_mask;
1455 1272
1456 /* boring lookup table pre-initialization */ 1273 /* boring lookup table pre-initialization */
1457 switch (ximage->depth) 1274 sh_r = ecb_ctz32 (mask_r);
1458 { 1275 sh_g = ecb_ctz32 (mask_g);
1459 case 15: 1276 sh_b = ecb_ctz32 (mask_b);
1460 if ((mask_r != 0x7c00) || 1277
1461 (mask_g != 0x03e0) || 1278 size_r = mask_r >> sh_r;
1462 (mask_b != 0x001f)) 1279 size_g = mask_g >> sh_g;
1280 size_b = mask_b >> sh_b;
1281
1282 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1463 return; 1283 return;
1464 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32)); 1284
1285 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1465 lookup_r = lookup; 1286 lookup_r = lookup;
1466 lookup_g = lookup+32; 1287 lookup_g = lookup + size_r;
1467 lookup_b = lookup+32+32; 1288 lookup_b = lookup + size_r + size_g;
1468 sh_r = 10;
1469 sh_g = 5;
1470 sh_b = 0;
1471 break;
1472 case 16:
1473 if ((mask_r != 0xf800) ||
1474 (mask_g != 0x07e0) ||
1475 (mask_b != 0x001f))
1476 return;
1477 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1478 lookup_r = lookup;
1479 lookup_g = lookup+32;
1480 lookup_b = lookup+32+64;
1481 sh_r = 11;
1482 sh_g = 5;
1483 sh_b = 0;
1484 break;
1485 case 24:
1486 if ((mask_r != 0xff0000) ||
1487 (mask_g != 0x00ff00) ||
1488 (mask_b != 0x0000ff))
1489 return;
1490 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1491 lookup_r = lookup;
1492 lookup_g = lookup+256;
1493 lookup_b = lookup+256+256;
1494 sh_r = 16;
1495 sh_g = 8;
1496 sh_b = 0;
1497 break;
1498 case 32:
1499 if ((mask_r != 0xff0000) ||
1500 (mask_g != 0x00ff00) ||
1501 (mask_b != 0x0000ff))
1502 return;
1503 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1504 lookup_r = lookup;
1505 lookup_g = lookup+256;
1506 lookup_b = lookup+256+256;
1507 sh_r = 16;
1508 sh_g = 8;
1509 sh_b = 0;
1510 break;
1511 default:
1512 return; /* we do not support this color depth */
1513 }
1514 1289
1515 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 1290 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1516 1291
1517 if (bg_flags & BG_TINT_SET) 1292 if (bg_flags & BG_TINT_SET)
1518 tint.get (c); 1293 tint.get (c);
… …
1540 fill_lut (lookup_g, mask_g, sh_g, low, c.g); 1315 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541 fill_lut (lookup_b, mask_b, sh_b, low, c.b); 1316 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542 1317
1543 /* apply table to input image (replacing colors by newly calculated ones) */ 1318 /* apply table to input image (replacing colors by newly calculated ones) */
1544 if (ximage->bits_per_pixel == 32 1319 if (ximage->bits_per_pixel == 32
1545 && (ximage->depth == 24 || ximage->depth == 32)
1546 && ximage->byte_order == host_byte_order) 1320 && ximage->byte_order == host_byte_order)
1547 { 1321 {
1548 uint32_t *p1, *pf, *p, *pl; 1322 char *line = ximage->data;
1549 p1 = (uint32_t *) ximage->data;
1550 pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1551 1323
1552 while (p1 < pf) 1324 for (int y = 0; y < ximage->height; y++)
1553 { 1325 {
1554 p = p1; 1326 uint32_t *p = (uint32_t *)line;
1555 pl = p1 + ximage->width; 1327 for (int x = 0; x < ximage->width; x++)
1556 for (; p < pl; p++)
1557 { 1328 {
1558 *p = lookup_r[(*p & 0xff0000) >> 16] | 1329 *p = lookup_r[(*p & mask_r) >> sh_r] |
1559 lookup_g[(*p & 0x00ff00) >> 8] | 1330 lookup_g[(*p & mask_g) >> sh_g] |
1560 lookup_b[(*p & 0x0000ff)] | 1331 lookup_b[(*p & mask_b) >> sh_b];
1561 (*p & 0xff000000); 1332 p++;
1562 } 1333 }
1563 p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line); 1334 line += ximage->bytes_per_line;
1564 } 1335 }
1565 } 1336 }
1566 else 1337 else
1567 { 1338 {
1568 for (int y = 0; y < ximage->height; y++) 1339 for (int y = 0; y < ximage->height; y++)
… …
1576 } 1347 }
1577 } 1348 }
1578 1349
1579 free (lookup); 1350 free (lookup);
1580} 1351}
1581#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1352#endif /* ENABLE_TRANSPARENCY */

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