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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.158 by sf-exg, Wed Aug 10 07:28:36 2011 UTC vs.
Revision 1.210 by sf-exg, Sat May 12 09:43:06 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>
32 32
33#ifndef FilterConvolution 33#ifndef FilterConvolution
34#define FilterConvolution "convolution" 34#define FilterConvolution "convolution"
35#endif 35#endif
36 36
37/* 37#ifndef RepeatPad
38 * Pixmap geometry string interpretation : 38#define RepeatPad True
39 * Each geometry string contains zero or one scale/position 39#endif
40 * adjustment and may optionally be followed by a colon and one or more
41 * colon-delimited pixmap operations.
42 * The following table shows the valid geometry strings and their
43 * effects on the background image :
44 *
45 * WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46 * W and H are percentages of the terminal window size.
47 * X and Y are also percentages; e.g., +50+50 centers
48 * the image in the window.
49 *
50 * Pixmap Operations : (should be prepended by a colon)
51 * tile Tile image. Scaling/position modifiers above will affect
52 * the tile size and origin.
53 * propscale When scaling, scale proportionally. That is, maintain the
54 * proper aspect ratio for the image. Any portion of the
55 * background not covered by the image is filled with the
56 * current background color.
57 * scale Scale both up and down
58 */
59 40
60#ifdef HAVE_BG_PIXMAP 41#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
61void 60void
62rxvt_term::bg_destroy () 61rxvt_term::bg_destroy ()
63{ 62{
64#ifdef HAVE_AFTERIMAGE
65 if (original_asim)
66 safe_asimage_destroy (original_asim);
67 if (asv)
68 destroy_asvisual (asv, 0);
69 if (asimman)
70 destroy_image_manager (asimman, 0);
71#endif
72
73#ifdef HAVE_PIXBUF 63#ifdef HAVE_PIXBUF
74 if (pixbuf) 64 if (pixbuf)
75 g_object_unref (pixbuf); 65 g_object_unref (pixbuf);
76#endif 66#endif
77 67
130 120
131 return false; 121 return false;
132} 122}
133 123
134# ifdef BG_IMAGE_FROM_FILE 124# ifdef BG_IMAGE_FROM_FILE
135static inline bool
136check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
137{
138 if (geom_flags & flag)
139 {
140 if (new_value > 1000)
141 new_value = 1000;
142 if (new_value != scale)
143 {
144 scale = new_value;
145 return true;
146 }
147 }
148 return false;
149}
150
151static inline bool
152check_set_align_value (int geom_flags, int flag, int &align, int new_value)
153{
154 if (geom_flags & flag)
155 {
156 if (new_value < -100)
157 new_value = -100;
158 else if (new_value > 200)
159 new_value = 200;
160 if (new_value != align)
161 {
162 align = new_value;
163 return true;
164 }
165 }
166 return false;
167}
168
169static inline int 125static inline int
170make_align_position (int align, int window_size, int image_size) 126make_align_position (int align, int window_size, int image_size)
171{ 127{
172 int diff = window_size - image_size;
173 int smaller = min (image_size, window_size);
174
175 if (align >= 0 && align <= 100) 128 if (align >= 0 && align <= 100)
176 return diff * align / 100; 129 return lerp (0, window_size - image_size, align);
177 else if (align > 100 && align <= 200) 130 else if (align > 100)
178 return ((align - 100) * smaller / 100) + window_size - smaller; 131 return lerp (window_size - image_size, window_size, align - 100);
179 else if (align >= -100 && align < 0) 132 else
180 return ((align + 100) * smaller / 100) - image_size; 133 return lerp (-image_size, 0, align + 100);
181 return 0;
182} 134}
183 135
184static inline int 136static inline int
185make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 137make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
186{ 138{
192 src_pos = -pos; 144 src_pos = -pos;
193 dst_pos = 0; 145 dst_pos = 0;
194 dst_size += pos; 146 dst_size += pos;
195 } 147 }
196 148
197 if (dst_pos + dst_size > target_size)
198 dst_size = target_size - dst_pos; 149 min_it (dst_size, target_size - dst_pos);
199 return src_pos; 150 return src_pos;
200} 151}
201 152
202bool 153bool
203rxvt_term::bg_set_geometry (const char *geom, bool update) 154rxvt_term::bg_set_geometry (const char *geom, bool update)
204{ 155{
205 bool changed = false; 156 bool changed = false;
206 int geom_flags = 0; 157 int geom_flags = 0;
207 int x = 0, y = 0; 158 int x = h_align;
159 int y = v_align;
208 unsigned int w = 0, h = 0; 160 unsigned int w = h_scale;
209 unsigned int n; 161 unsigned int h = v_scale;
210 unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS)); 162 unsigned long new_flags = 0;
211 const char *ops;
212 163
213 if (geom == NULL) 164 if (geom == NULL)
214 return false; 165 return false;
215 166
216 char str[256]; 167 if (geom[0])
217
218 ops = strchr (geom, ':');
219 if (ops == NULL)
220 n = strlen (geom);
221 else
222 n = ops - geom;
223
224 if (n >= sizeof (str))
225 return false;
226
227 memcpy (str, geom, n);
228 str[n] = '\0';
229 rxvt_strtrim (str);
230
231 if (str[0])
232 { 168 {
233 /* we have geometry string - let's handle it prior to applying ops */ 169 char **arr = rxvt_strsplit (':', geom);
170
171 for (int i = 0; arr[i]; i++)
172 {
173 if (!strcasecmp (arr[i], "style=tiled"))
174 {
175 new_flags = BG_TILE;
176 w = h = noScale;
177 x = y = 0;
178 geom_flags = WidthValue|HeightValue|XValue|YValue;
179 }
180 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
181 {
182 new_flags = BG_KEEP_ASPECT;
183 w = h = windowScale;
184 x = y = centerAlign;
185 geom_flags = WidthValue|HeightValue|XValue|YValue;
186 }
187 else if (!strcasecmp (arr[i], "style=stretched"))
188 {
189 new_flags = 0;
190 w = h = windowScale;
191 geom_flags = WidthValue|HeightValue;
192 }
193 else if (!strcasecmp (arr[i], "style=centered"))
194 {
195 new_flags = 0;
196 w = h = noScale;
197 x = y = centerAlign;
198 geom_flags = WidthValue|HeightValue|XValue|YValue;
199 }
200 else if (!strcasecmp (arr[i], "style=root-tiled"))
201 {
202 new_flags = BG_TILE|BG_ROOT_ALIGN;
203 w = h = noScale;
204 geom_flags = WidthValue|HeightValue;
205 }
206 else if (!strcasecmp (arr[i], "op=tile"))
207 new_flags |= BG_TILE;
208 else if (!strcasecmp (arr[i], "op=keep-aspect"))
209 new_flags |= BG_KEEP_ASPECT;
210 else if (!strcasecmp (arr[i], "op=root-align"))
211 new_flags |= BG_ROOT_ALIGN;
212
213 // deprecated
214 else if (!strcasecmp (arr[i], "tile"))
215 {
216 new_flags |= BG_TILE;
217 w = h = noScale;
218 geom_flags |= WidthValue|HeightValue;
219 }
220 else if (!strcasecmp (arr[i], "propscale"))
221 {
222 new_flags |= BG_KEEP_ASPECT;
223 w = h = windowScale;
224 geom_flags |= WidthValue|HeightValue;
225 }
226 else if (!strcasecmp (arr[i], "hscale"))
227 {
228 new_flags |= BG_TILE;
229 w = windowScale;
230 h = noScale;
231 geom_flags |= WidthValue|HeightValue;
232 }
233 else if (!strcasecmp (arr[i], "vscale"))
234 {
235 new_flags |= BG_TILE;
236 h = windowScale;
237 w = noScale;
238 geom_flags |= WidthValue|HeightValue;
239 }
240 else if (!strcasecmp (arr[i], "scale"))
241 {
242 w = h = windowScale;
243 geom_flags |= WidthValue|HeightValue;
244 }
245 else if (!strcasecmp (arr[i], "auto"))
246 {
247 w = h = windowScale;
248 x = y = centerAlign;
249 geom_flags |= WidthValue|HeightValue|XValue|YValue;
250 }
251 else if (!strcasecmp (arr[i], "root"))
252 {
253 new_flags |= BG_TILE|BG_ROOT_ALIGN;
254 w = h = noScale;
255 geom_flags |= WidthValue|HeightValue;
256 }
257
258 else
234 geom_flags = XParseGeometry (str, &x, &y, &w, &h); 259 geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
235 } /* done parsing geometry string */ 260 } /* done parsing ops */
261
262 rxvt_free_strsplit (arr);
263 }
264
265 new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
236 266
237 if (!update) 267 if (!update)
238 { 268 {
239 if (!(geom_flags & XValue)) 269 if (!(geom_flags & XValue))
240 x = y = defaultAlign; 270 x = y = defaultAlign;
245 w = h = defaultScale; 275 w = h = defaultScale;
246 else if (!(geom_flags & HeightValue)) 276 else if (!(geom_flags & HeightValue))
247 h = w; 277 h = w;
248 else if (!(geom_flags & WidthValue)) 278 else if (!(geom_flags & WidthValue))
249 w = h; 279 w = h;
250
251 geom_flags |= WidthValue|HeightValue|XValue|YValue;
252 }
253
254 if (ops)
255 { 280 }
256 char **arr = rxvt_strsplit (':', ops + 1);
257 281
258 for (int i = 0; arr[i]; i++) 282 min_it (w, 1000);
259 { 283 min_it (h, 1000);
260 if (!strcasecmp (arr[i], "tile")) 284 clamp_it (x, -100, 200);
261 { 285 clamp_it (y, -100, 200);
262 new_flags |= BG_TILE;
263 w = h = noScale;
264 geom_flags |= WidthValue|HeightValue;
265 }
266 else if (!strcasecmp (arr[i], "propscale"))
267 {
268 new_flags |= BG_PROP_SCALE;
269 }
270 else if (!strcasecmp (arr[i], "scale"))
271 {
272 if (h == 0) h = windowScale;
273 if (w == 0) w = windowScale;
274 286
275 geom_flags |= WidthValue|HeightValue; 287 if (bg_flags != new_flags
276 } 288 || h_scale != w
277 else if (!strcasecmp (arr[i], "root")) 289 || v_scale != h
278 { 290 || h_align != x
279 new_flags |= BG_TILE|BG_ROOT_ALIGN; 291 || v_align != y)
280 w = h = noScale;
281 geom_flags |= WidthValue|HeightValue;
282 }
283 } /* done parsing ops */
284
285 rxvt_free_strsplit (arr);
286 }
287
288 if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
289 if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
290 if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
291 if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
292
293 if (new_flags != bg_flags)
294 { 292 {
295 bg_flags = new_flags; 293 bg_flags = new_flags;
294 h_scale = w;
295 v_scale = h;
296 h_align = x;
297 v_align = y;
296 changed = true; 298 changed = true;
297 } 299 }
298 300
299 return changed; 301 return changed;
300} 302}
303rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) 305rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
304{ 306{
305 int target_width = szHint.width; 307 int target_width = szHint.width;
306 int target_height = szHint.height; 308 int target_height = szHint.height;
307 309
310 w = h_scale * target_width / 100;
311 h = v_scale * target_height / 100;
312
308 if (bg_flags & BG_PROP_SCALE) 313 if (bg_flags & BG_KEEP_ASPECT)
309 { 314 {
310 float scale = (float)target_width / image_width; 315 float scale = (float)w / image_width;
311 min_it (scale, (float)target_height / image_height); 316 min_it (scale, (float)h / image_height);
312 w = image_width * scale + 0.5; 317 w = image_width * scale + 0.5;
313 h = image_height * scale + 0.5; 318 h = image_height * scale + 0.5;
314 } 319 }
315 else
316 {
317 w = h_scale * target_width / 100;
318 h = v_scale * target_height / 100;
319 }
320 320
321 if (!w) w = image_width; 321 if (!w) w = image_width;
322 if (!h) h = image_height; 322 if (!h) h = image_height;
323 323
324 if (bg_flags & BG_ROOT_ALIGN) 324 if (bg_flags & BG_ROOT_ALIGN)
330 { 330 {
331 x = make_align_position (h_align, target_width, w); 331 x = make_align_position (h_align, target_width, w);
332 y = make_align_position (v_align, target_height, h); 332 y = make_align_position (v_align, target_height, h);
333 } 333 }
334 334
335 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
336 if (!(bg_flags & BG_TILE) 335 if (!(bg_flags & BG_TILE)
337 || (bg_flags & BG_PROP_SCALE) || h_scale || v_scale 336 || h_scale || v_scale
338 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align)) 337 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
339 || w > target_width || h > target_height) 338 || image_width > target_width || image_height > target_height)
340 bg_flags |= BG_IS_SIZE_SENSITIVE; 339 bg_flags |= BG_IS_SIZE_SENSITIVE;
340 else
341 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
341} 342}
342 343
343# ifdef HAVE_AFTERIMAGE 344# ifdef HAVE_PIXBUF
344bool 345bool
345rxvt_term::render_image (unsigned long tr_flags) 346rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
347 int src_x, int src_y, int dst_x, int dst_y,
348 unsigned int width, unsigned int height)
346{ 349{
347 init_asv (); 350 XImage *ximage;
351 char *line;
352 int width_r, width_g, width_b, width_a;
353 int sh_r, sh_g, sh_b, sh_a;
354 uint32_t alpha_mask;
355 int rowstride;
356 int channels;
357 unsigned char *row;
348 358
349 ASImage *background = NULL; 359 if (visual->c_class != TrueColor)
350 ARGB32 background_tint = TINT_LEAVE_SAME; 360 return false;
351 361
352# ifdef ENABLE_TRANSPARENCY 362#if XRENDER
353 if (tr_flags) 363 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
354 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100); 364 if (format)
365 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
366 else
367#endif
368 alpha_mask = 0;
355 369
356 if (tr_flags & BG_NEEDS_TINT) 370 width_r = ecb_popcount32 (visual->red_mask);
357 { 371 width_g = ecb_popcount32 (visual->green_mask);
358 ShadingInfo as_shade; 372 width_b = ecb_popcount32 (visual->blue_mask);
359 as_shade.shading = shade; 373 width_a = ecb_popcount32 (alpha_mask);
360 374
361 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 375 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
362 if (bg_flags & BG_TINT_SET) 376 return false;
363 tint.get (c);
364 as_shade.tintColor.red = c.r;
365 as_shade.tintColor.green = c.g;
366 as_shade.tintColor.blue = c.b;
367 377
368 background_tint = shading2tint32 (&as_shade); 378 sh_r = ecb_ctz32 (visual->red_mask);
379 sh_g = ecb_ctz32 (visual->green_mask);
380 sh_b = ecb_ctz32 (visual->blue_mask);
381 sh_a = ecb_ctz32 (alpha_mask);
382
383 if (width > 32767 || height > 32767)
384 return false;
385
386 ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
387 width, height, 32, 0);
388 if (!ximage)
389 return false;
390
391 if (height > INT_MAX / ximage->bytes_per_line
392 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
369 } 393 {
370 394 XDestroyImage (ximage);
371 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL) 395 return false;
372 { 396 }
373 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF, 397
374 (original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage, 398 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
375 100, ASIMAGE_QUALITY_DEFAULT); 399
376 if (tmp) 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 = ximage->data;
404
405 rgba c (0, 0, 0);
406
407 if (channels == 4 && alpha_mask == 0)
408 {
409 pix_colors[Color_bg].get (c);
410 c.r >>= 8;
411 c.g >>= 8;
412 c.b >>= 8;
413 }
414
415 for (int y = 0; y < height; y++)
416 {
417 for (int x = 0; x < width; x++)
418 {
419 unsigned char *pixel = row + x * channels;
420 uint32_t value;
421 unsigned char r, g, b, a;
422
423 if (channels == 4)
377 { 424 {
378 destroy_asimage (&background); 425 a = pixel[3];
379 background = tmp; 426 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
427 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
428 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
429 }
430 else
431 {
432 a = 0xff;
433 r = pixel[0];
434 g = pixel[1];
435 b = pixel[2];
436 }
437
438 value = ((r >> (8 - width_r)) << sh_r)
439 | ((g >> (8 - width_g)) << sh_g)
440 | ((b >> (8 - width_b)) << sh_b)
441 | ((a >> (8 - width_a)) << sh_a);
442
443 if (ximage->bits_per_pixel == 32)
444 ((uint32_t *)line)[x] = value;
445 else
446 XPutPixel (ximage, x, y, value);
380 } 447 }
381 }
382# endif
383 448
384 ASImage *result = 0; 449 row += rowstride;
450 line += ximage->bytes_per_line;
451 }
452
453 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
454 XDestroyImage (ximage);
455 return true;
456}
457
458bool
459rxvt_term::render_image (bool transparent)
460{
461 if (!pixbuf)
462 return false;
463
464 if (transparent
465 && !(bg_flags & BG_HAS_RENDER))
466 return false;
467
468 GdkPixbuf *result;
469
470 int image_width = gdk_pixbuf_get_width (pixbuf);
471 int image_height = gdk_pixbuf_get_height (pixbuf);
385 472
386 int target_width = szHint.width; 473 int target_width = szHint.width;
387 int target_height = szHint.height; 474 int target_height = szHint.height;
388 int new_pmap_width = target_width; 475 int new_pmap_width = target_width;
389 int new_pmap_height = target_height; 476 int new_pmap_height = target_height;
391 int x = 0; 478 int x = 0;
392 int y = 0; 479 int y = 0;
393 int w = 0; 480 int w = 0;
394 int h = 0; 481 int h = 0;
395 482
396 if (original_asim)
397 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
398
399 if (!original_asim
400 || (!(bg_flags & BG_ROOT_ALIGN)
401 && (x >= target_width
402 || y >= target_height
403 || (x + w <= 0)
404 || (y + h <= 0))))
405 {
406 if (background)
407 {
408 new_pmap_width = background->width;
409 new_pmap_height = background->height;
410 result = background;
411
412 if (background_tint != TINT_LEAVE_SAME)
413 {
414 ASImage *tmp = tile_asimage (asv, background, 0, 0,
415 target_width, target_height, background_tint,
416 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
417 if (tmp)
418 result = tmp;
419 }
420 }
421 else
422 new_pmap_width = new_pmap_height = 0;
423 }
424 else
425 {
426 result = original_asim;
427
428 if ((w != original_asim->width)
429 || (h != original_asim->height))
430 {
431 result = scale_asimage (asv, original_asim,
432 w, h,
433 background ? ASA_ASImage : ASA_XImage,
434 100, ASIMAGE_QUALITY_DEFAULT);
435 }
436
437 if (background == NULL)
438 {
439 if (bg_flags & BG_TILE)
440 {
441 /* if tiling - pixmap has to be sized exactly as the image,
442 but there is no need to make it bigger than the window! */
443 new_pmap_width = min (result->width, target_width);
444 new_pmap_height = min (result->height, target_height);
445
446 /* we also need to tile our image in both directions */
447 ASImage *tmp = tile_asimage (asv, result,
448 (int)result->width - x,
449 (int)result->height - y,
450 new_pmap_width,
451 new_pmap_height,
452 TINT_LEAVE_SAME, ASA_XImage,
453 100, ASIMAGE_QUALITY_DEFAULT);
454 if (tmp)
455 {
456 if (result != original_asim)
457 destroy_asimage (&result);
458
459 result = tmp;
460 }
461 }
462 }
463 else
464 {
465 /* if blending background and image - pixmap has to be sized same as target window */
466 ASImageLayer *layers = create_image_layers (2);
467
468 layers[0].im = background;
469 layers[0].clip_width = target_width;
470 layers[0].clip_height = target_height;
471 layers[0].tint = background_tint;
472 layers[1].im = result;
473
474 if (bg_flags & BG_TILE)
475 {
476 /* tile horizontally */
477 while (x > 0) x -= (int)result->width;
478 layers[1].dst_x = x;
479 layers[1].clip_width = result->width+target_width;
480 }
481 else
482 {
483 /* clip horizontally */
484 layers[1].dst_x = x;
485 layers[1].clip_width = result->width;
486 }
487
488 if (bg_flags & BG_TILE)
489 {
490 while (y > 0) y -= (int)result->height;
491 layers[1].dst_y = y;
492 layers[1].clip_height = result->height + target_height;
493 }
494 else
495 {
496 layers[1].dst_y = y;
497 layers[1].clip_height = result->height;
498 }
499
500 if (rs[Rs_blendtype])
501 {
502 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
503 if (layers[1].merge_scanlines == NULL)
504 layers[1].merge_scanlines = alphablend_scanlines;
505 }
506
507 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
508 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
509
510 if (tmp)
511 {
512 if (result != original_asim)
513 destroy_asimage (&result);
514
515 result = tmp;
516 }
517
518 free (layers);
519 }
520 }
521
522 bool ret = false;
523
524 if (result)
525 {
526 XGCValues gcv;
527 GC gc;
528
529 /* create Pixmap */
530 if (bg_pixmap == None
531 || bg_pmap_width != new_pmap_width
532 || bg_pmap_height != new_pmap_height)
533 {
534 if (bg_pixmap)
535 XFreePixmap (dpy, bg_pixmap);
536 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
537 bg_pmap_width = new_pmap_width;
538 bg_pmap_height = new_pmap_height;
539 }
540 /* fill with background color (if result's not completely overlapping it) */
541 gcv.foreground = pix_colors[Color_bg];
542 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
543
544 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
545 int dst_width = result->width, dst_height = result->height;
546 if (background == NULL)
547 {
548 if (!(bg_flags & BG_TILE))
549 {
550 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
551 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
552 }
553
554 if (dst_x > 0 || dst_y > 0
555 || dst_x + dst_width < new_pmap_width
556 || dst_y + dst_height < new_pmap_height)
557 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
558 }
559
560 /* put result on pixmap */
561 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
562 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
563
564 if (result != background && result != original_asim)
565 destroy_asimage (&result);
566
567 XFreeGC (dpy, gc);
568
569 ret = true;
570 }
571
572 if (background)
573 destroy_asimage (&background);
574
575 return ret;
576}
577# endif /* HAVE_AFTERIMAGE */
578
579# ifdef HAVE_PIXBUF
580bool
581rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
582 int src_x, int src_y, int dst_x, int dst_y,
583 unsigned int width, unsigned int height)
584{
585 XImage *ximage;
586 char *data, *line;
587 int bytes_per_pixel;
588 int width_r, width_g, width_b;
589 int sh_r, sh_g, sh_b;
590 int rowstride;
591 int channels;
592 unsigned char *row;
593
594 if (visual->c_class != TrueColor)
595 return false;
596
597 if (depth == 24 || depth == 32)
598 bytes_per_pixel = 4;
599 else if (depth == 15 || depth == 16)
600 bytes_per_pixel = 2;
601 else
602 return false;
603
604 width_r = ecb_popcount32 (visual->red_mask);
605 width_g = ecb_popcount32 (visual->green_mask);
606 width_b = ecb_popcount32 (visual->blue_mask);
607
608 if (width_r > 8 || width_g > 8 || width_b > 8)
609 return false;
610
611 sh_r = ecb_ctz32 (visual->red_mask);
612 sh_g = ecb_ctz32 (visual->green_mask);
613 sh_b = ecb_ctz32 (visual->blue_mask);
614
615 if (width > INT_MAX / height / bytes_per_pixel)
616 return false;
617
618 data = (char *)malloc (width * height * bytes_per_pixel);
619 if (!data)
620 return false;
621
622 ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
623 width, height, bytes_per_pixel * 8, 0);
624 if (!ximage)
625 {
626 free (data);
627 return false;
628 }
629
630 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
631
632 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
633 channels = gdk_pixbuf_get_n_channels (pixbuf);
634 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
635 line = data;
636
637 for (int y = 0; y < height; y++)
638 {
639 for (int x = 0; x < width; x++)
640 {
641 unsigned char *pixel = row + x * channels;
642 uint32_t value;
643
644 value = ((pixel[0] >> (8 - width_r)) << sh_r)
645 | ((pixel[1] >> (8 - width_g)) << sh_g)
646 | ((pixel[2] >> (8 - width_b)) << sh_b);
647
648 if (bytes_per_pixel == 4)
649 ((uint32_t *)line)[x] = value;
650 else
651 ((uint16_t *)line)[x] = value;
652 }
653
654 row += rowstride;
655 line += ximage->bytes_per_line;
656 }
657
658 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
659 XDestroyImage (ximage);
660 return true;
661}
662
663bool
664rxvt_term::render_image (unsigned long tr_flags)
665{
666 if (!pixbuf)
667 return false;
668
669 if (tr_flags
670 && !(bg_flags & BG_HAS_RENDER))
671 return false;
672
673 GdkPixbuf *result;
674
675 int image_width = gdk_pixbuf_get_width (pixbuf);
676 int image_height = gdk_pixbuf_get_height (pixbuf);
677
678 int target_width = szHint.width;
679 int target_height = szHint.height;
680 int new_pmap_width = target_width;
681 int new_pmap_height = target_height;
682
683 int x = 0;
684 int y = 0;
685 int w = 0;
686 int h = 0;
687
688 get_image_geometry (image_width, image_height, w, h, x, y); 483 get_image_geometry (image_width, image_height, w, h, x, y);
689 484
690 if (!(bg_flags & BG_ROOT_ALIGN) 485 if (!(bg_flags & BG_ROOT_ALIGN)
691 && (x >= target_width 486 && (x >= target_width
692 || y >= target_height 487 || y >= target_height
693 || (x + w <= 0) 488 || x + w <= 0
694 || (y + h <= 0))) 489 || y + h <= 0))
695 return false; 490 return false;
696 491
697 result = pixbuf; 492 result = pixbuf;
698 493
699 if ((w != image_width) 494 if (w != image_width
700 || (h != image_height)) 495 || h != image_height)
701 { 496 {
702 result = gdk_pixbuf_scale_simple (pixbuf, 497 result = gdk_pixbuf_scale_simple (pixbuf,
703 w, h, 498 w, h,
704 GDK_INTERP_BILINEAR); 499 GDK_INTERP_BILINEAR);
705 } 500 }
714 Pixmap root_pmap; 509 Pixmap root_pmap;
715 510
716 image_width = gdk_pixbuf_get_width (result); 511 image_width = gdk_pixbuf_get_width (result);
717 image_height = gdk_pixbuf_get_height (result); 512 image_height = gdk_pixbuf_get_height (result);
718 513
719 if (tr_flags) 514 if (transparent)
720 { 515 {
721 root_pmap = bg_pixmap; 516 root_pmap = bg_pixmap;
722 bg_pixmap = None; 517 bg_pixmap = None;
723 } 518 }
724 else 519 else
782 dst_x, dst_y, 577 dst_x, dst_y,
783 dst_width, dst_height); 578 dst_width, dst_height);
784 } 579 }
785 580
786#if XRENDER 581#if XRENDER
787 if (tr_flags) 582 if (transparent)
788 { 583 {
789 XRenderPictureAttributes pa;
790
791 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); 584 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
585
792 Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); 586 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
793 587
794 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
795 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); 588 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
796 589
797 pa.repeat = True; 590 Picture mask = create_xrender_mask (dpy, vt, False, False);
798 Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
799 XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
800 Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
801 XFreePixmap (dpy, mask_pmap);
802 591
803 XRenderColor mask_c; 592 XRenderColor mask_c;
804 593
805 mask_c.alpha = 0x8000; 594 mask_c.alpha = 0x8000;
806 mask_c.red = 0; 595 mask_c.red =
807 mask_c.green = 0; 596 mask_c.green =
808 mask_c.blue = 0; 597 mask_c.blue = 0;
809 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 598 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
599
810 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height); 600 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
811 601
812 XRenderFreePicture (dpy, src); 602 XRenderFreePicture (dpy, src);
813 XRenderFreePicture (dpy, dst); 603 XRenderFreePicture (dpy, dst);
814 XRenderFreePicture (dpy, mask); 604 XRenderFreePicture (dpy, mask);
821 } 611 }
822 612
823 if (result != pixbuf) 613 if (result != pixbuf)
824 g_object_unref (result); 614 g_object_unref (result);
825 615
826 if (tr_flags) 616 if (transparent)
827 XFreePixmap (dpy, root_pmap); 617 XFreePixmap (dpy, root_pmap);
828 618
829 return ret; 619 return ret;
830} 620}
831# endif /* HAVE_PIXBUF */ 621# endif /* HAVE_PIXBUF */
834rxvt_term::bg_set_file (const char *file) 624rxvt_term::bg_set_file (const char *file)
835{ 625{
836 if (!file || !*file) 626 if (!file || !*file)
837 return false; 627 return false;
838 628
629 bool ret = false;
839 if (const char *p = strchr (file, ';')) 630 const char *p = strchr (file, ';');
631
632 if (p)
840 { 633 {
841 size_t len = p - file; 634 size_t len = p - file;
842 char *f = rxvt_temp_buf<char> (len + 1); 635 char *f = rxvt_temp_buf<char> (len + 1);
843 memcpy (f, file, len); 636 memcpy (f, file, len);
844 f[len] = '\0'; 637 f[len] = '\0';
845 file = f; 638 file = f;
846 } 639 }
847 640
848# ifdef HAVE_AFTERIMAGE
849 if (!asimman)
850 asimman = create_generic_imageman (rs[Rs_path]);
851 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
852 if (image)
853 {
854 if (original_asim)
855 safe_asimage_destroy (original_asim);
856 original_asim = image;
857 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
858 return true;
859 }
860# endif
861
862# ifdef HAVE_PIXBUF 641# ifdef HAVE_PIXBUF
863 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 642 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
864 if (image) 643 if (image)
865 { 644 {
866 if (pixbuf) 645 if (pixbuf)
867 g_object_unref (pixbuf); 646 g_object_unref (pixbuf);
868 pixbuf = image; 647 pixbuf = image;
869 bg_flags |= BG_IS_FROM_FILE; 648 bg_flags |= BG_IS_FROM_FILE;
870 return true; 649 ret = true;
871 } 650 }
872# endif 651# endif
873 652
653 if (ret)
654 {
655 if (p)
656 bg_set_geometry (p + 1);
657 else
658 bg_set_default_geometry ();
659 }
660
874 return false; 661 return ret;
875} 662}
876 663
877# endif /* BG_IMAGE_FROM_FILE */ 664# endif /* BG_IMAGE_FROM_FILE */
878 665
879# ifdef ENABLE_TRANSPARENCY 666# ifdef ENABLE_TRANSPARENCY
915 { 702 {
916 changed = true; 703 changed = true;
917 v_blurRadius = vr; 704 v_blurRadius = vr;
918 } 705 }
919 706
920 if (v_blurRadius == 0 && h_blurRadius == 0) 707 if (h_blurRadius && v_blurRadius)
708 bg_flags |= BG_NEEDS_BLUR;
709 else
921 bg_flags &= ~BG_NEEDS_BLUR; 710 bg_flags &= ~BG_NEEDS_BLUR;
922 else
923 bg_flags |= BG_NEEDS_BLUR;
924 711
925 return changed; 712 return changed;
926} 713}
927 714
928void 715void
929rxvt_term::set_tint_shade_flags () 716rxvt_term::set_tint_shade_flags ()
930{ 717{
931 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 718 if (shade != 100 || (bg_flags & BG_TINT_SET))
932 bool has_shade = shade != 100; 719 bg_flags |= BG_NEEDS_TINT;
720 else
721 bg_flags &= ~BG_NEEDS_TINT;
722}
933 723
724bool
725rxvt_term::bg_set_tint (rxvt_color &new_tint)
726{
727 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
728 {
729 tint = new_tint;
934 bg_flags &= ~BG_TINT_FLAGS; 730 bg_flags |= BG_TINT_SET;
935 731
936 if (bg_flags & BG_TINT_SET) 732 rgba c;
937 {
938 tint.get (c); 733 tint.get (c);
939 if (!has_shade
940 && (c.r <= 0x00ff || c.r >= 0xff00) 734 if ((c.r <= 0x00ff || c.r >= 0xff00)
941 && (c.g <= 0x00ff || c.g >= 0xff00) 735 && (c.g <= 0x00ff || c.g >= 0xff00)
942 && (c.b <= 0x00ff || c.b >= 0xff00)) 736 && (c.b <= 0x00ff || c.b >= 0xff00))
943 bg_flags |= BG_TINT_BITAND; 737 bg_flags |= BG_TINT_BITAND;
944 } 738 else
945
946 if (has_shade || (bg_flags & BG_TINT_SET))
947 bg_flags |= BG_NEEDS_TINT;
948}
949
950bool
951rxvt_term::bg_set_tint (rxvt_color &new_tint)
952{
953 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
954 {
955 tint = new_tint;
956 bg_flags |= BG_TINT_SET; 739 bg_flags &= ~BG_TINT_BITAND;
740
957 set_tint_shade_flags (); 741 set_tint_shade_flags ();
958 return true; 742 return true;
959 } 743 }
960 744
961 return false; 745 return false;
962} 746}
963 747
964bool 748bool
965rxvt_term::bg_set_shade (const char *shade_str) 749rxvt_term::bg_set_shade (const char *shade_str)
966{ 750{
967 int new_shade = (shade_str) ? atoi (shade_str) : 100; 751 int new_shade = atoi (shade_str);
968 752
969 clamp_it (new_shade, -100, 200); 753 clamp_it (new_shade, -100, 200);
970 if (new_shade < 0) 754 if (new_shade < 0)
971 new_shade = 200 - (100 + new_shade); 755 new_shade = 200 - (100 + new_shade);
972 756
1002 params[i+2] = XDoubleToFixed (kernel[i] / sum); 786 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1003} 787}
1004#endif 788#endif
1005 789
1006bool 790bool
1007rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 791rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1008{ 792{
1009 bool ret = false; 793 bool ret = false;
1010#if XRENDER 794#if XRENDER
795 if (!(bg_flags & BG_HAS_RENDER_CONV))
796 return false;
797
1011 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 798 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1012 double *kernel = (double *)malloc (size * sizeof (double)); 799 double *kernel = (double *)malloc (size * sizeof (double));
1013 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 800 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1014 801
1015 XRenderPictureAttributes pa; 802 XRenderPictureAttributes pa;
1016 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 803 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1017 804
805 pa.repeat = RepeatPad;
1018 Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 806 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
807 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1019 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 808 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
809 XFreePixmap (dpy, tmp);
1020 810
1021 if (kernel && params) 811 if (kernel && params)
1022 { 812 {
1023 if (h_blurRadius)
1024 {
1025 size = h_blurRadius * 2 + 1; 813 size = h_blurRadius * 2 + 1;
1026 get_gaussian_kernel (h_blurRadius, size, kernel, params); 814 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1027 815
1028 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 816 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1029 XRenderComposite (dpy, 817 XRenderComposite (dpy,
1030 PictOpSrc, 818 PictOpSrc,
1031 src, 819 src,
1032 None, 820 None,
1033 dst, 821 dst,
1034 0, 0, 822 0, 0,
1035 0, 0, 823 0, 0,
1036 0, 0, 824 0, 0,
1037 width, height); 825 width, height);
1038 }
1039 826
1040 if (v_blurRadius) 827 ::swap (src, dst);
1041 { 828
1042 size = v_blurRadius * 2 + 1; 829 size = v_blurRadius * 2 + 1;
1043 get_gaussian_kernel (v_blurRadius, size, kernel, params); 830 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1044 ::swap (params[0], params[1]); 831 ::swap (params[0], params[1]);
1045 832
1046 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 833 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1047 XRenderComposite (dpy, 834 XRenderComposite (dpy,
1048 PictOpSrc, 835 PictOpSrc,
1049 src, 836 src,
1050 None, 837 None,
1051 dst, 838 dst,
1052 0, 0, 839 0, 0,
1053 0, 0, 840 0, 0,
1054 0, 0, 841 0, 0,
1055 width, height); 842 width, height);
1056 }
1057 843
1058 ret = true; 844 ret = true;
1059 } 845 }
1060 846
1061 free (kernel); 847 free (kernel);
1069bool 855bool
1070rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 856rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1071{ 857{
1072 bool ret = false; 858 bool ret = false;
1073 859
1074 if (bg_flags & BG_TINT_BITAND) 860 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1075 { 861 {
1076 XGCValues gcv; 862 XGCValues gcv;
1077 GC gc; 863 GC gc;
1078 864
1079 /* In this case we can tint image server-side getting significant 865 /* In this case we can tint image server-side getting significant
1088 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 874 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1089 ret = true; 875 ret = true;
1090 XFreeGC (dpy, gc); 876 XFreeGC (dpy, gc);
1091 } 877 }
1092 } 878 }
1093 else
1094 {
1095# if XRENDER 879# if XRENDER
880 else if (bg_flags & BG_HAS_RENDER)
881 {
1096 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 882 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1097 883
1098 if (bg_flags & BG_TINT_SET) 884 if (bg_flags & BG_TINT_SET)
1099 tint.get (c); 885 tint.get (c);
1100 886
1109 c.r = c.r * (200 - shade) / 100; 895 c.r = c.r * (200 - shade) / 100;
1110 c.g = c.g * (200 - shade) / 100; 896 c.g = c.g * (200 - shade) / 100;
1111 c.b = c.b * (200 - shade) / 100; 897 c.b = c.b * (200 - shade) / 100;
1112 } 898 }
1113 899
1114 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1115 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 900 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1116 XRenderPictureAttributes pa;
1117 901
1118 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 902 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1119 903
1120 pa.repeat = True; 904 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1121 905
1122 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 906 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1123 Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1124 XFreePixmap (dpy, overlay_pmap);
1125
1126 pa.component_alpha = True;
1127 Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1128 Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1129 XFreePixmap (dpy, mask_pmap);
1130 907
1131 XRenderColor mask_c; 908 XRenderColor mask_c;
1132 909
1133 mask_c.alpha = 0xffff; 910 mask_c.alpha = 0xffff;
1134 mask_c.red = 911 mask_c.red =
1139 mask_c.alpha = 0; 916 mask_c.alpha = 0;
1140 mask_c.red = 0xffff - c.r; 917 mask_c.red = 0xffff - c.r;
1141 mask_c.green = 0xffff - c.g; 918 mask_c.green = 0xffff - c.g;
1142 mask_c.blue = 0xffff - c.b; 919 mask_c.blue = 0xffff - c.b;
1143 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1); 920 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
921
1144 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height); 922 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1145 923
1146 if (shade > 100) 924 if (shade > 100)
1147 { 925 {
1148 mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1149 mask_c.alpha = 0; 926 mask_c.alpha = 0;
927 mask_c.red =
928 mask_c.green =
929 mask_c.blue = 0xffff * (shade - 100) / 100;
1150 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 930 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1151 931
1152 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height); 932 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1153 } 933 }
1154 934
1155 ret = true; 935 ret = true;
1156 936
1157 XRenderFreePicture (dpy, mask_pic); 937 XRenderFreePicture (dpy, mask_pic);
1158 XRenderFreePicture (dpy, overlay_pic); 938 XRenderFreePicture (dpy, overlay_pic);
1159 XRenderFreePicture (dpy, back_pic); 939 XRenderFreePicture (dpy, back_pic);
940 }
1160# endif 941# endif
1161 }
1162 942
1163 return ret; 943 return ret;
1164} 944}
1165 945
1166/* 946/*
1167 * Builds a pixmap of the same size as the terminal window that contains 947 * Builds a pixmap of the same size as the terminal window that contains
1168 * the tiled portion of the root pixmap that is supposed to be covered by 948 * the tiled portion of the root pixmap that is supposed to be covered by
1169 * our window. 949 * our window.
1170 */ 950 */
1171unsigned long 951bool
1172rxvt_term::make_transparency_pixmap () 952rxvt_term::make_transparency_pixmap ()
1173{ 953{
1174 unsigned long result = 0; 954 bool ret = false;
1175 955
1176 /* root dimensions may change from call to call - but Display structure should 956 /* root dimensions may change from call to call - but Display structure should
1177 * be always up-to-date, so let's use it : 957 * be always up-to-date, so let's use it :
1178 */ 958 */
1179 int screen = display->screen; 959 int screen = display->screen;
1217#if XRENDER 997#if XRENDER
1218 if (bg_flags & BG_HAS_RENDER) 998 if (bg_flags & BG_HAS_RENDER)
1219 { 999 {
1220 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth); 1000 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1221 1001
1222 XRenderPictureAttributes pa;
1223
1224 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 1002 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1225 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 1003 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1226 1004
1227 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 1005 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1228 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 1006 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1229 1007
1230 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 1008 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1231 1009
1232 XRenderFreePicture (dpy, src); 1010 XRenderFreePicture (dpy, src);
1233 XRenderFreePicture (dpy, dst); 1011 XRenderFreePicture (dpy, dst);
1250 bg_pmap_width = window_width; 1028 bg_pmap_width = window_width;
1251 bg_pmap_height = window_height; 1029 bg_pmap_height = window_height;
1252 } 1030 }
1253 1031
1254 /* straightforward pixmap copy */ 1032 /* straightforward pixmap copy */
1255 while (sx < 0) sx += root_width; 1033 while (sx < 0) sx += root_pmap_width;
1256 while (sy < 0) sy += root_height; 1034 while (sy < 0) sy += root_pmap_height;
1257 1035
1258 gcv.tile = recoded_root_pmap; 1036 gcv.tile = recoded_root_pmap;
1259 gcv.fill_style = FillTiled; 1037 gcv.fill_style = FillTiled;
1260 gcv.ts_x_origin = -sx; 1038 gcv.ts_x_origin = -sx;
1261 gcv.ts_y_origin = -sy; 1039 gcv.ts_y_origin = -sy;
1262 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1040 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1263 1041
1264 if (gc) 1042 if (gc)
1265 { 1043 {
1266 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1044 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1267 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1045 ret = true;
1046 unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1047
1048 if (!(bg_flags & BG_CLIENT_RENDER))
1049 {
1050 if (bg_flags & BG_NEEDS_BLUR)
1051 {
1052 if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1053 tr_flags &= ~BG_NEEDS_BLUR;
1054 }
1055 if (bg_flags & BG_NEEDS_TINT)
1056 {
1057 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1058 tr_flags &= ~BG_NEEDS_TINT;
1059 }
1060 if (tr_flags & BG_NEEDS_TINT)
1061 {
1062 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1063 if (ximage)
1064 {
1065 /* our own client-side tinting */
1066 tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1067
1068 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1069 XDestroyImage (ximage);
1070 }
1071 }
1072 } /* server side rendering completed */
1073
1268 XFreeGC (dpy, gc); 1074 XFreeGC (dpy, gc);
1269
1270 if (!(bg_flags & BG_CLIENT_RENDER))
1271 {
1272 if ((bg_flags & BG_NEEDS_BLUR)
1273 && (bg_flags & BG_HAS_RENDER_CONV))
1274 {
1275 if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1276 result &= ~BG_NEEDS_BLUR;
1277 }
1278 if ((bg_flags & BG_NEEDS_TINT)
1279 && (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1280 {
1281 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1282 result &= ~BG_NEEDS_TINT;
1283 }
1284 } /* server side rendering completed */
1285 } 1075 }
1286 1076
1287 if (recoded_root_pmap != root_pixmap) 1077 if (recoded_root_pmap != root_pixmap)
1288 XFreePixmap (dpy, recoded_root_pmap); 1078 XFreePixmap (dpy, recoded_root_pmap);
1289 1079
1290 return result; 1080 return ret;
1291} 1081}
1292 1082
1293void 1083void
1294rxvt_term::bg_set_root_pixmap () 1084rxvt_term::bg_set_root_pixmap ()
1295{ 1085{
1299 1089
1300 root_pixmap = new_root_pixmap; 1090 root_pixmap = new_root_pixmap;
1301} 1091}
1302# endif /* ENABLE_TRANSPARENCY */ 1092# endif /* ENABLE_TRANSPARENCY */
1303 1093
1304#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1305static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1306# endif
1307
1308bool 1094bool
1309rxvt_term::bg_render () 1095rxvt_term::bg_render ()
1310{ 1096{
1311 unsigned long tr_flags = 0; 1097 bool transparent = false;
1312 1098
1313 bg_invalidate (); 1099 bg_invalidate ();
1314# ifdef ENABLE_TRANSPARENCY 1100# ifdef ENABLE_TRANSPARENCY
1315 if (bg_flags & BG_IS_TRANSPARENT) 1101 if (bg_flags & BG_IS_TRANSPARENT)
1316 { 1102 {
1317 /* we need to re-generate transparency pixmap in that case ! */ 1103 /* we need to re-generate transparency pixmap in that case ! */
1318 tr_flags = make_transparency_pixmap (); 1104 transparent = make_transparency_pixmap ();
1319 if (tr_flags == 0) 1105 if (transparent)
1320 return false;
1321 else if (!(tr_flags & BG_EFFECTS_FLAGS))
1322 bg_flags |= BG_IS_VALID; 1106 bg_flags |= BG_IS_VALID;
1323 } 1107 }
1324# endif 1108# endif
1325 1109
1326# ifdef BG_IMAGE_FROM_FILE 1110# ifdef BG_IMAGE_FROM_FILE
1327 if ((bg_flags & BG_IS_FROM_FILE) 1111 if (bg_flags & BG_IS_FROM_FILE)
1328 || (tr_flags & BG_EFFECTS_FLAGS))
1329 { 1112 {
1330 if (render_image (tr_flags)) 1113 if (render_image (transparent))
1331 bg_flags |= BG_IS_VALID; 1114 bg_flags |= BG_IS_VALID;
1332 }
1333# endif
1334
1335# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336 XImage *result = NULL;
1337
1338 if (tr_flags && !(bg_flags & BG_IS_VALID))
1339 {
1340 result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1341 }
1342
1343 if (result)
1344 {
1345 /* our own client-side tinting */
1346 if (tr_flags & BG_NEEDS_TINT)
1347 {
1348 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1349 if (bg_flags & BG_TINT_SET)
1350 tint.get (c);
1351 shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1352 }
1353
1354 GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1355
1356 if (gc)
1357 {
1358 XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1359
1360 XFreeGC (dpy, gc);
1361 bg_flags |= BG_IS_VALID;
1362 }
1363
1364 XDestroyImage (result);
1365 } 1115 }
1366# endif 1116# endif
1367 1117
1368 if (!(bg_flags & BG_IS_VALID)) 1118 if (!(bg_flags & BG_IS_VALID))
1369 { 1119 {
1406#endif 1156#endif
1407} 1157}
1408 1158
1409#endif /* HAVE_BG_PIXMAP */ 1159#endif /* HAVE_BG_PIXMAP */
1410 1160
1411#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1161#ifdef ENABLE_TRANSPARENCY
1412/* taken from aterm-0.4.2 */ 1162/* based on code from aterm-0.4.2 */
1413 1163
1414static void 1164static inline void
1415shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c) 1165fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1416{ 1166{
1167 for (int i = 0; i <= mask >> sh; i++)
1168 {
1169 uint32_t tmp;
1170 tmp = i * high;
1171 tmp += (mask >> sh) * low;
1172 lookup[i] = (tmp / 0xffff) << sh;
1173 }
1174}
1175
1176void
1177rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
1178{
1179 unsigned int size_r, size_g, size_b;
1417 int sh_r, sh_g, sh_b; 1180 int sh_r, sh_g, sh_b;
1418 uint32_t mask_r, mask_g, mask_b; 1181 uint32_t mask_r, mask_g, mask_b;
1419 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1182 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1420 rgba low; 1183 unsigned short low;
1421 rgba high;
1422 int i;
1423 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 1184 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1424 1185
1425 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1186 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1426 1187
1427 /* for convenience */ 1188 /* for convenience */
1428 mask_r = visual->red_mask; 1189 mask_r = visual->red_mask;
1429 mask_g = visual->green_mask; 1190 mask_g = visual->green_mask;
1430 mask_b = visual->blue_mask; 1191 mask_b = visual->blue_mask;
1431 1192
1432 /* boring lookup table pre-initialization */ 1193 /* boring lookup table pre-initialization */
1433 switch (ximage->depth) 1194 sh_r = ecb_ctz32 (mask_r);
1434 { 1195 sh_g = ecb_ctz32 (mask_g);
1435 case 15: 1196 sh_b = ecb_ctz32 (mask_b);
1436 if ((mask_r != 0x7c00) || 1197
1437 (mask_g != 0x03e0) || 1198 size_r = mask_r >> sh_r;
1438 (mask_b != 0x001f)) 1199 size_g = mask_g >> sh_g;
1200 size_b = mask_b >> sh_b;
1201
1202 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1439 return; 1203 return;
1440 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32)); 1204
1205 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1441 lookup_r = lookup; 1206 lookup_r = lookup;
1442 lookup_g = lookup+32; 1207 lookup_g = lookup + size_r;
1443 lookup_b = lookup+32+32; 1208 lookup_b = lookup + size_r + size_g;
1444 sh_r = 10; 1209
1445 sh_g = 5; 1210 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1446 sh_b = 0; 1211
1447 break; 1212 if (bg_flags & BG_TINT_SET)
1448 case 16: 1213 tint.get (c);
1449 if ((mask_r != 0xf800) ||
1450 (mask_g != 0x07e0) ||
1451 (mask_b != 0x001f))
1452 return;
1453 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1454 lookup_r = lookup;
1455 lookup_g = lookup+32;
1456 lookup_b = lookup+32+64;
1457 sh_r = 11;
1458 sh_g = 5;
1459 sh_b = 0;
1460 break;
1461 case 24:
1462 if ((mask_r != 0xff0000) ||
1463 (mask_g != 0x00ff00) ||
1464 (mask_b != 0x0000ff))
1465 return;
1466 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1467 lookup_r = lookup;
1468 lookup_g = lookup+256;
1469 lookup_b = lookup+256+256;
1470 sh_r = 16;
1471 sh_g = 8;
1472 sh_b = 0;
1473 break;
1474 case 32:
1475 if ((mask_r != 0xff0000) ||
1476 (mask_g != 0x00ff00) ||
1477 (mask_b != 0x0000ff))
1478 return;
1479 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1480 lookup_r = lookup;
1481 lookup_g = lookup+256;
1482 lookup_b = lookup+256+256;
1483 sh_r = 16;
1484 sh_g = 8;
1485 sh_b = 0;
1486 break;
1487 default:
1488 return; /* we do not support this color depth */
1489 }
1490 1214
1491 /* prepare limits for color transformation (each channel is handled separately) */ 1215 /* prepare limits for color transformation (each channel is handled separately) */
1492 if (shade > 100) 1216 if (shade > 100)
1493 { 1217 {
1494 shade = 200 - shade;
1495
1496 high.r = c.r * shade / 100;
1497 high.g = c.g * shade / 100;
1498 high.b = c.b * shade / 100;
1499
1500 low.r = 65535 * (100 - shade) / 100; 1218 c.r = c.r * (200 - shade) / 100;
1501 low.g = 65535 * (100 - shade) / 100; 1219 c.g = c.g * (200 - shade) / 100;
1502 low.b = 65535 * (100 - shade) / 100; 1220 c.b = c.b * (200 - shade) / 100;
1221
1222 low = 0xffff * (shade - 100) / 100;
1503 } 1223 }
1504 else 1224 else
1505 { 1225 {
1506 high.r = c.r * shade / 100; 1226 c.r = c.r * shade / 100;
1507 high.g = c.g * shade / 100; 1227 c.g = c.g * shade / 100;
1508 high.b = c.b * shade / 100; 1228 c.b = c.b * shade / 100;
1509 1229
1510 low.r = low.g = low.b = 0; 1230 low = 0;
1511 } 1231 }
1512 1232
1513 /* fill our lookup tables */ 1233 /* fill our lookup tables */
1514 for (i = 0; i <= mask_r>>sh_r; i++) 1234 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1515 { 1235 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1516 uint32_t tmp; 1236 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1517 tmp = i * high.r;
1518 tmp += (mask_r>>sh_r) * low.r;
1519 lookup_r[i] = (tmp/65535)<<sh_r;
1520 }
1521 for (i = 0; i <= mask_g>>sh_g; i++)
1522 {
1523 uint32_t tmp;
1524 tmp = i * high.g;
1525 tmp += (mask_g>>sh_g) * low.g;
1526 lookup_g[i] = (tmp/65535)<<sh_g;
1527 }
1528 for (i = 0; i <= mask_b>>sh_b; i++)
1529 {
1530 uint32_t tmp;
1531 tmp = i * high.b;
1532 tmp += (mask_b>>sh_b) * low.b;
1533 lookup_b[i] = (tmp/65535)<<sh_b;
1534 }
1535 1237
1536 /* apply table to input image (replacing colors by newly calculated ones) */ 1238 /* apply table to input image (replacing colors by newly calculated ones) */
1537 if (ximage->bits_per_pixel == 32 1239 if (ximage->bits_per_pixel == 32
1538 && (ximage->depth == 24 || ximage->depth == 32)
1539 && ximage->byte_order == host_byte_order) 1240 && ximage->byte_order == host_byte_order)
1540 { 1241 {
1541 uint32_t *p1, *pf, *p, *pl; 1242 char *line = ximage->data;
1542 p1 = (uint32_t *) ximage->data;
1543 pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1544 1243
1545 while (p1 < pf) 1244 for (int y = 0; y < ximage->height; y++)
1546 {
1547 p = p1;
1548 pl = p1 + ximage->width;
1549 for (; p < pl; p++)
1550 { 1245 {
1551 *p = lookup_r[(*p & 0xff0000) >> 16] | 1246 uint32_t *p = (uint32_t *)line;
1552 lookup_g[(*p & 0x00ff00) >> 8] | 1247 for (int x = 0; x < ximage->width; x++)
1553 lookup_b[(*p & 0x0000ff)] |
1554 (*p & 0xff000000);
1555 } 1248 {
1556 p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line); 1249 *p = lookup_r[(*p & mask_r) >> sh_r] |
1250 lookup_g[(*p & mask_g) >> sh_g] |
1251 lookup_b[(*p & mask_b) >> sh_b];
1252 p++;
1253 }
1254 line += ximage->bytes_per_line;
1557 } 1255 }
1558 } 1256 }
1559 else 1257 else
1560 { 1258 {
1561 for (int y = 0; y < ximage->height; y++) 1259 for (int y = 0; y < ximage->height; y++)
1569 } 1267 }
1570 } 1268 }
1571 1269
1572 free (lookup); 1270 free (lookup);
1573} 1271}
1574#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1272#endif /* ENABLE_TRANSPARENCY */

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