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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 1.213 by sf-exg, Sun May 13 21:12:01 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
880bool
881rxvt_term::bg_set_transparent ()
882{
883 if (!(bg_flags & BG_IS_TRANSPARENT))
884 {
885 bg_flags |= BG_IS_TRANSPARENT;
886 return true;
887 }
888
889 return false;
890}
891
892bool 667bool
893rxvt_term::bg_set_blur (const char *geom) 668rxvt_term::bg_set_blur (const char *geom)
894{ 669{
895 bool changed = false; 670 bool changed = false;
896 unsigned int hr, vr; 671 unsigned int hr, vr;
915 { 690 {
916 changed = true; 691 changed = true;
917 v_blurRadius = vr; 692 v_blurRadius = vr;
918 } 693 }
919 694
920 if (v_blurRadius == 0 && h_blurRadius == 0)
921 bg_flags &= ~BG_NEEDS_BLUR;
922 else
923 bg_flags |= BG_NEEDS_BLUR;
924
925 return changed; 695 return changed;
926} 696}
927 697
928void 698bool
929rxvt_term::set_tint_shade_flags () 699rxvt_term::bg_set_tint (rxvt_color &new_tint)
930{ 700{
931 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 701 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
932 bool has_shade = shade != 100; 702 {
933 703 tint = new_tint;
934 bg_flags &= ~BG_TINT_FLAGS; 704 bg_flags |= BG_TINT_SET;
935 705
936 if (bg_flags & BG_TINT_SET) 706 rgba c;
937 {
938 tint.get (c); 707 tint.get (c);
939 if (!has_shade
940 && (c.r <= 0x00ff || c.r >= 0xff00) 708 if ((c.r <= 0x00ff || c.r >= 0xff00)
941 && (c.g <= 0x00ff || c.g >= 0xff00) 709 && (c.g <= 0x00ff || c.g >= 0xff00)
942 && (c.b <= 0x00ff || c.b >= 0xff00)) 710 && (c.b <= 0x00ff || c.b >= 0xff00))
943 bg_flags |= BG_TINT_BITAND; 711 bg_flags |= BG_TINT_BITAND;
944 } 712 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; 713 bg_flags &= ~BG_TINT_BITAND;
957 set_tint_shade_flags (); 714
958 return true; 715 return true;
959 } 716 }
960 717
961 return false; 718 return false;
962} 719}
963 720
964bool 721bool
965rxvt_term::bg_set_shade (const char *shade_str) 722rxvt_term::bg_set_shade (const char *shade_str)
966{ 723{
967 int new_shade = (shade_str) ? atoi (shade_str) : 100; 724 int new_shade = atoi (shade_str);
968 725
969 clamp_it (new_shade, -100, 200); 726 clamp_it (new_shade, -100, 200);
970 if (new_shade < 0) 727 if (new_shade < 0)
971 new_shade = 200 - (100 + new_shade); 728 new_shade = 200 - (100 + new_shade);
972 729
973 if (new_shade != shade) 730 if (new_shade != shade)
974 { 731 {
975 shade = new_shade; 732 shade = new_shade;
976 set_tint_shade_flags ();
977 return true; 733 return true;
978 } 734 }
979 735
980 return false; 736 return false;
981} 737}
1002 params[i+2] = XDoubleToFixed (kernel[i] / sum); 758 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1003} 759}
1004#endif 760#endif
1005 761
1006bool 762bool
1007rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 763rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1008{ 764{
1009 bool ret = false; 765 bool ret = false;
1010#if XRENDER 766#if XRENDER
767 if (!(bg_flags & BG_HAS_RENDER_CONV))
768 return false;
769
1011 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 770 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1012 double *kernel = (double *)malloc (size * sizeof (double)); 771 double *kernel = (double *)malloc (size * sizeof (double));
1013 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 772 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1014 773
1015 XRenderPictureAttributes pa; 774 XRenderPictureAttributes pa;
1016 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 775 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1017 776
777 pa.repeat = RepeatPad;
1018 Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 778 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
779 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1019 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 780 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
781 XFreePixmap (dpy, tmp);
1020 782
1021 if (kernel && params) 783 if (kernel && params)
1022 { 784 {
1023 if (h_blurRadius)
1024 {
1025 size = h_blurRadius * 2 + 1; 785 size = h_blurRadius * 2 + 1;
1026 get_gaussian_kernel (h_blurRadius, size, kernel, params); 786 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1027 787
1028 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 788 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1029 XRenderComposite (dpy, 789 XRenderComposite (dpy,
1030 PictOpSrc, 790 PictOpSrc,
1031 src, 791 src,
1032 None, 792 None,
1033 dst, 793 dst,
1034 0, 0, 794 0, 0,
1035 0, 0, 795 0, 0,
1036 0, 0, 796 0, 0,
1037 width, height); 797 width, height);
1038 }
1039 798
1040 if (v_blurRadius) 799 ::swap (src, dst);
1041 { 800
1042 size = v_blurRadius * 2 + 1; 801 size = v_blurRadius * 2 + 1;
1043 get_gaussian_kernel (v_blurRadius, size, kernel, params); 802 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1044 ::swap (params[0], params[1]); 803 ::swap (params[0], params[1]);
1045 804
1046 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 805 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1047 XRenderComposite (dpy, 806 XRenderComposite (dpy,
1048 PictOpSrc, 807 PictOpSrc,
1049 src, 808 src,
1050 None, 809 None,
1051 dst, 810 dst,
1052 0, 0, 811 0, 0,
1053 0, 0, 812 0, 0,
1054 0, 0, 813 0, 0,
1055 width, height); 814 width, height);
1056 }
1057 815
1058 ret = true; 816 ret = true;
1059 } 817 }
1060 818
1061 free (kernel); 819 free (kernel);
1065#endif 823#endif
1066 return ret; 824 return ret;
1067} 825}
1068 826
1069bool 827bool
1070rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 828rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1071{ 829{
1072 bool ret = false; 830 bool ret = false;
1073 831
1074 if (bg_flags & BG_TINT_BITAND) 832 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1075 { 833 {
1076 XGCValues gcv; 834 XGCValues gcv;
1077 GC gc; 835 GC gc;
1078 836
1079 /* In this case we can tint image server-side getting significant 837 /* In this case we can tint image server-side getting significant
1088 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 846 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1089 ret = true; 847 ret = true;
1090 XFreeGC (dpy, gc); 848 XFreeGC (dpy, gc);
1091 } 849 }
1092 } 850 }
1093 else
1094 {
1095# if XRENDER 851# if XRENDER
852 else if (bg_flags & BG_HAS_RENDER)
853 {
1096 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 854 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1097 855
1098 if (bg_flags & BG_TINT_SET) 856 if (bg_flags & BG_TINT_SET)
1099 tint.get (c); 857 tint.get (c);
1100 858
1109 c.r = c.r * (200 - shade) / 100; 867 c.r = c.r * (200 - shade) / 100;
1110 c.g = c.g * (200 - shade) / 100; 868 c.g = c.g * (200 - shade) / 100;
1111 c.b = c.b * (200 - shade) / 100; 869 c.b = c.b * (200 - shade) / 100;
1112 } 870 }
1113 871
1114 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1115 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 872 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1116 XRenderPictureAttributes pa;
1117 873
1118 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 874 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1119 875
1120 pa.repeat = True; 876 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1121 877
1122 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 878 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 879
1131 XRenderColor mask_c; 880 XRenderColor mask_c;
1132 881
1133 mask_c.alpha = 0xffff; 882 mask_c.alpha = 0xffff;
1134 mask_c.red = 883 mask_c.red =
1139 mask_c.alpha = 0; 888 mask_c.alpha = 0;
1140 mask_c.red = 0xffff - c.r; 889 mask_c.red = 0xffff - c.r;
1141 mask_c.green = 0xffff - c.g; 890 mask_c.green = 0xffff - c.g;
1142 mask_c.blue = 0xffff - c.b; 891 mask_c.blue = 0xffff - c.b;
1143 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1); 892 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
893
1144 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height); 894 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1145 895
1146 if (shade > 100) 896 if (shade > 100)
1147 { 897 {
1148 mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1149 mask_c.alpha = 0; 898 mask_c.alpha = 0;
899 mask_c.red =
900 mask_c.green =
901 mask_c.blue = 0xffff * (shade - 100) / 100;
1150 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 902 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1151 903
1152 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height); 904 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1153 } 905 }
1154 906
1155 ret = true; 907 ret = true;
1156 908
1157 XRenderFreePicture (dpy, mask_pic); 909 XRenderFreePicture (dpy, mask_pic);
1158 XRenderFreePicture (dpy, overlay_pic); 910 XRenderFreePicture (dpy, overlay_pic);
1159 XRenderFreePicture (dpy, back_pic); 911 XRenderFreePicture (dpy, back_pic);
912 }
1160# endif 913# endif
1161 }
1162 914
1163 return ret; 915 return ret;
1164} 916}
1165 917
1166/* 918/*
1167 * Builds a pixmap of the same size as the terminal window that contains 919 * 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 920 * the tiled portion of the root pixmap that is supposed to be covered by
1169 * our window. 921 * our window.
1170 */ 922 */
1171unsigned long 923bool
1172rxvt_term::make_transparency_pixmap () 924rxvt_term::make_transparency_pixmap ()
1173{ 925{
1174 unsigned long result = 0; 926 bool ret = false;
1175 927
1176 /* root dimensions may change from call to call - but Display structure should 928 /* root dimensions may change from call to call - but Display structure should
1177 * be always up-to-date, so let's use it : 929 * be always up-to-date, so let's use it :
1178 */ 930 */
1179 int screen = display->screen; 931 int screen = display->screen;
1217#if XRENDER 969#if XRENDER
1218 if (bg_flags & BG_HAS_RENDER) 970 if (bg_flags & BG_HAS_RENDER)
1219 { 971 {
1220 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth); 972 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1221 973
1222 XRenderPictureAttributes pa;
1223
1224 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 974 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1225 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 975 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1226 976
1227 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 977 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1228 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 978 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1229 979
1230 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 980 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1231 981
1232 XRenderFreePicture (dpy, src); 982 XRenderFreePicture (dpy, src);
1233 XRenderFreePicture (dpy, dst); 983 XRenderFreePicture (dpy, dst);
1250 bg_pmap_width = window_width; 1000 bg_pmap_width = window_width;
1251 bg_pmap_height = window_height; 1001 bg_pmap_height = window_height;
1252 } 1002 }
1253 1003
1254 /* straightforward pixmap copy */ 1004 /* straightforward pixmap copy */
1255 while (sx < 0) sx += root_width; 1005 while (sx < 0) sx += root_pmap_width;
1256 while (sy < 0) sy += root_height; 1006 while (sy < 0) sy += root_pmap_height;
1257 1007
1258 gcv.tile = recoded_root_pmap; 1008 gcv.tile = recoded_root_pmap;
1259 gcv.fill_style = FillTiled; 1009 gcv.fill_style = FillTiled;
1260 gcv.ts_x_origin = -sx; 1010 gcv.ts_x_origin = -sx;
1261 gcv.ts_y_origin = -sy; 1011 gcv.ts_y_origin = -sy;
1262 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1012 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1263 1013
1264 if (gc) 1014 if (gc)
1265 { 1015 {
1266 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1016 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1267 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1017 ret = true;
1018 bool need_blur = h_blurRadius && v_blurRadius;
1019 bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1020
1021 if (!(bg_flags & BG_CLIENT_RENDER))
1022 {
1023 if (need_blur)
1024 {
1025 if (blur_pixmap (bg_pixmap, window_width, window_height))
1026 need_blur = false;
1027 }
1028 if (need_tint)
1029 {
1030 if (tint_pixmap (bg_pixmap, window_width, window_height))
1031 need_tint = false;
1032 }
1033 if (need_tint)
1034 {
1035 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1036 if (ximage)
1037 {
1038 /* our own client-side tinting */
1039 tint_ximage (ximage);
1040
1041 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1042 XDestroyImage (ximage);
1043 }
1044 }
1045 } /* server side rendering completed */
1046
1268 XFreeGC (dpy, gc); 1047 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 } 1048 }
1286 1049
1287 if (recoded_root_pmap != root_pixmap) 1050 if (recoded_root_pmap != root_pixmap)
1288 XFreePixmap (dpy, recoded_root_pmap); 1051 XFreePixmap (dpy, recoded_root_pmap);
1289 1052
1290 return result; 1053 return ret;
1291} 1054}
1292 1055
1293void 1056void
1294rxvt_term::bg_set_root_pixmap () 1057rxvt_term::bg_set_root_pixmap ()
1295{ 1058{
1299 1062
1300 root_pixmap = new_root_pixmap; 1063 root_pixmap = new_root_pixmap;
1301} 1064}
1302# endif /* ENABLE_TRANSPARENCY */ 1065# endif /* ENABLE_TRANSPARENCY */
1303 1066
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 1067bool
1309rxvt_term::bg_render () 1068rxvt_term::bg_render ()
1310{ 1069{
1311 unsigned long tr_flags = 0; 1070 bool transparent = false;
1312 1071
1313 bg_invalidate (); 1072 bg_invalidate ();
1314# ifdef ENABLE_TRANSPARENCY 1073# ifdef ENABLE_TRANSPARENCY
1315 if (bg_flags & BG_IS_TRANSPARENT) 1074 if (bg_flags & BG_IS_TRANSPARENT)
1316 { 1075 {
1317 /* we need to re-generate transparency pixmap in that case ! */ 1076 /* we need to re-generate transparency pixmap in that case ! */
1318 tr_flags = make_transparency_pixmap (); 1077 transparent = make_transparency_pixmap ();
1319 if (tr_flags == 0) 1078 if (transparent)
1320 return false;
1321 else if (!(tr_flags & BG_EFFECTS_FLAGS))
1322 bg_flags |= BG_IS_VALID; 1079 bg_flags |= BG_IS_VALID;
1323 } 1080 }
1324# endif 1081# endif
1325 1082
1326# ifdef BG_IMAGE_FROM_FILE 1083# ifdef BG_IMAGE_FROM_FILE
1327 if ((bg_flags & BG_IS_FROM_FILE) 1084 if (bg_flags & BG_IS_FROM_FILE)
1328 || (tr_flags & BG_EFFECTS_FLAGS))
1329 { 1085 {
1330 if (render_image (tr_flags)) 1086 if (render_image (transparent))
1331 bg_flags |= BG_IS_VALID; 1087 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 } 1088 }
1366# endif 1089# endif
1367 1090
1368 if (!(bg_flags & BG_IS_VALID)) 1091 if (!(bg_flags & BG_IS_VALID))
1369 { 1092 {
1406#endif 1129#endif
1407} 1130}
1408 1131
1409#endif /* HAVE_BG_PIXMAP */ 1132#endif /* HAVE_BG_PIXMAP */
1410 1133
1411#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1134#ifdef ENABLE_TRANSPARENCY
1412/* taken from aterm-0.4.2 */ 1135/* based on code from aterm-0.4.2 */
1413 1136
1414static void 1137static inline void
1415shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c) 1138fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1416{ 1139{
1140 for (int i = 0; i <= mask >> sh; i++)
1141 {
1142 uint32_t tmp;
1143 tmp = i * high;
1144 tmp += (mask >> sh) * low;
1145 lookup[i] = (tmp / 0xffff) << sh;
1146 }
1147}
1148
1149void
1150rxvt_term::tint_ximage (XImage *ximage)
1151{
1152 unsigned int size_r, size_g, size_b;
1417 int sh_r, sh_g, sh_b; 1153 int sh_r, sh_g, sh_b;
1418 uint32_t mask_r, mask_g, mask_b; 1154 uint32_t mask_r, mask_g, mask_b;
1419 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1155 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1420 rgba low; 1156 unsigned short low;
1421 rgba high;
1422 int i;
1423 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 1157 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1424 1158
1425 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1159 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1426 1160
1427 /* for convenience */ 1161 /* for convenience */
1428 mask_r = visual->red_mask; 1162 mask_r = visual->red_mask;
1429 mask_g = visual->green_mask; 1163 mask_g = visual->green_mask;
1430 mask_b = visual->blue_mask; 1164 mask_b = visual->blue_mask;
1431 1165
1432 /* boring lookup table pre-initialization */ 1166 /* boring lookup table pre-initialization */
1433 switch (ximage->depth) 1167 sh_r = ecb_ctz32 (mask_r);
1434 { 1168 sh_g = ecb_ctz32 (mask_g);
1435 case 15: 1169 sh_b = ecb_ctz32 (mask_b);
1436 if ((mask_r != 0x7c00) || 1170
1437 (mask_g != 0x03e0) || 1171 size_r = mask_r >> sh_r;
1438 (mask_b != 0x001f)) 1172 size_g = mask_g >> sh_g;
1173 size_b = mask_b >> sh_b;
1174
1175 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1439 return; 1176 return;
1440 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32)); 1177
1178 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1441 lookup_r = lookup; 1179 lookup_r = lookup;
1442 lookup_g = lookup+32; 1180 lookup_g = lookup + size_r;
1443 lookup_b = lookup+32+32; 1181 lookup_b = lookup + size_r + size_g;
1444 sh_r = 10; 1182
1445 sh_g = 5; 1183 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1446 sh_b = 0; 1184
1447 break; 1185 if (bg_flags & BG_TINT_SET)
1448 case 16: 1186 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 1187
1491 /* prepare limits for color transformation (each channel is handled separately) */ 1188 /* prepare limits for color transformation (each channel is handled separately) */
1492 if (shade > 100) 1189 if (shade > 100)
1493 { 1190 {
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; 1191 c.r = c.r * (200 - shade) / 100;
1501 low.g = 65535 * (100 - shade) / 100; 1192 c.g = c.g * (200 - shade) / 100;
1502 low.b = 65535 * (100 - shade) / 100; 1193 c.b = c.b * (200 - shade) / 100;
1194
1195 low = 0xffff * (shade - 100) / 100;
1503 } 1196 }
1504 else 1197 else
1505 { 1198 {
1506 high.r = c.r * shade / 100; 1199 c.r = c.r * shade / 100;
1507 high.g = c.g * shade / 100; 1200 c.g = c.g * shade / 100;
1508 high.b = c.b * shade / 100; 1201 c.b = c.b * shade / 100;
1509 1202
1510 low.r = low.g = low.b = 0; 1203 low = 0;
1511 } 1204 }
1512 1205
1513 /* fill our lookup tables */ 1206 /* fill our lookup tables */
1514 for (i = 0; i <= mask_r>>sh_r; i++) 1207 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1515 { 1208 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1516 uint32_t tmp; 1209 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 1210
1536 /* apply table to input image (replacing colors by newly calculated ones) */ 1211 /* apply table to input image (replacing colors by newly calculated ones) */
1537 if (ximage->bits_per_pixel == 32 1212 if (ximage->bits_per_pixel == 32
1538 && (ximage->depth == 24 || ximage->depth == 32)
1539 && ximage->byte_order == host_byte_order) 1213 && ximage->byte_order == host_byte_order)
1540 { 1214 {
1541 uint32_t *p1, *pf, *p, *pl; 1215 char *line = ximage->data;
1542 p1 = (uint32_t *) ximage->data;
1543 pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1544 1216
1545 while (p1 < pf) 1217 for (int y = 0; y < ximage->height; y++)
1546 {
1547 p = p1;
1548 pl = p1 + ximage->width;
1549 for (; p < pl; p++)
1550 { 1218 {
1551 *p = lookup_r[(*p & 0xff0000) >> 16] | 1219 uint32_t *p = (uint32_t *)line;
1552 lookup_g[(*p & 0x00ff00) >> 8] | 1220 for (int x = 0; x < ximage->width; x++)
1553 lookup_b[(*p & 0x0000ff)] |
1554 (*p & 0xff000000);
1555 } 1221 {
1556 p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line); 1222 *p = lookup_r[(*p & mask_r) >> sh_r] |
1223 lookup_g[(*p & mask_g) >> sh_g] |
1224 lookup_b[(*p & mask_b) >> sh_b];
1225 p++;
1226 }
1227 line += ximage->bytes_per_line;
1557 } 1228 }
1558 } 1229 }
1559 else 1230 else
1560 { 1231 {
1561 for (int y = 0; y < ximage->height; y++) 1232 for (int y = 0; y < ximage->height; y++)
1569 } 1240 }
1570 } 1241 }
1571 1242
1572 free (lookup); 1243 free (lookup);
1573} 1244}
1574#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1245#endif /* ENABLE_TRANSPARENCY */

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