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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.195 by sf-exg, Mon Jan 2 19:31:00 2012 UTC vs.
Revision 1.221 by sf-exg, Fri May 25 09:27:35 2012 UTC

3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de> 6 * Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7 * Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net> 7 * Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8 * Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it> 8 * Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9 * 9 *
10 * This program is free software; you can redistribute it and/or modify 10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by 11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or 12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version. 13 * (at your option) any later version.
20 * You should have received a copy of the GNU General Public License 20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software 21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *---------------------------------------------------------------------*/ 23 *---------------------------------------------------------------------*/
24 24
25#include <cmath> 25#include <math.h>
26#include "../config.h" /* NECESSARY */ 26#include "../config.h" /* NECESSARY */
27#include "rxvt.h" /* NECESSARY */ 27#include "rxvt.h" /* NECESSARY */
28 28
29#if XRENDER 29#if XRENDER
30# include <X11/extensions/Xrender.h> 30# include <X11/extensions/Xrender.h>
58# endif 58# endif
59 59
60void 60void
61rxvt_term::bg_destroy () 61rxvt_term::bg_destroy ()
62{ 62{
63#ifdef HAVE_AFTERIMAGE 63# ifdef BG_IMAGE_FROM_FILE
64 if (original_asim) 64 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
65 safe_asimage_destroy (original_asim); 65 bg_image->destroy ();
66 if (asv)
67 destroy_asvisual (asv, 0);
68 if (asimman)
69 destroy_image_manager (asimman, 0);
70#endif 66# endif
71
72#ifdef HAVE_PIXBUF
73 if (pixbuf)
74 g_object_unref (pixbuf);
75#endif
76 67
77 if (bg_pixmap) 68 if (bg_pixmap)
78 XFreePixmap (dpy, bg_pixmap); 69 XFreePixmap (dpy, bg_pixmap);
79} 70}
80 71
99 if (bg_flags & BG_IS_TRANSPARENT) 90 if (bg_flags & BG_IS_TRANSPARENT)
100 return true; 91 return true;
101# endif 92# endif
102 93
103# ifdef BG_IMAGE_FROM_FILE 94# ifdef BG_IMAGE_FROM_FILE
104 if (bg_flags & BG_IS_FROM_FILE) 95 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
105 { 96 {
106 if (bg_flags & BG_IS_SIZE_SENSITIVE) 97 if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
98 || bg_image->width () > szHint.width
99 || bg_image->height () > szHint.height)
107 return true; 100 return true;
108 } 101 }
109# endif 102# endif
110 103
111 return false; 104 return false;
118 if (bg_flags & BG_IS_TRANSPARENT) 111 if (bg_flags & BG_IS_TRANSPARENT)
119 return true; 112 return true;
120# endif 113# endif
121 114
122# ifdef BG_IMAGE_FROM_FILE 115# ifdef BG_IMAGE_FROM_FILE
123 if (bg_flags & BG_IS_FROM_FILE) 116 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
124 { 117 {
125 if (bg_flags & BG_ROOT_ALIGN) 118 if (bg_image->flags & IM_ROOT_ALIGN)
126 return true; 119 return true;
127 } 120 }
128# endif 121# endif
129 122
130 return false; 123 return false;
131} 124}
132 125
133# ifdef BG_IMAGE_FROM_FILE 126# ifdef BG_IMAGE_FROM_FILE
134static inline bool
135check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
136{
137 if (geom_flags & flag)
138 {
139 if (new_value > 1000)
140 new_value = 1000;
141 if (new_value != scale)
142 {
143 scale = new_value;
144 return true;
145 }
146 }
147 return false;
148}
149
150static inline bool
151check_set_align_value (int geom_flags, int flag, int &align, int new_value)
152{
153 if (geom_flags & flag)
154 {
155 if (new_value < -100)
156 new_value = -100;
157 else if (new_value > 200)
158 new_value = 200;
159 if (new_value != align)
160 {
161 align = new_value;
162 return true;
163 }
164 }
165 return false;
166}
167
168static inline int 127static inline int
169make_align_position (int align, int window_size, int image_size) 128make_align_position (int align, int window_size, int image_size)
170{ 129{
171 int diff = window_size - image_size;
172 int smaller = min (image_size, window_size);
173
174 if (align >= 0 && align <= 100) 130 if (align >= 0 && align <= 100)
175 return diff * align / 100; 131 return lerp (0, window_size - image_size, align);
176 else if (align > 100 && align <= 200) 132 else if (align > 100)
177 return (align - 100) * smaller / 100 + window_size - smaller; 133 return lerp (window_size - image_size, window_size, align - 100);
178 else if (align >= -100 && align < 0) 134 else
179 return (align + 100) * smaller / 100 - image_size; 135 return lerp (-image_size, 0, align + 100);
180 return 0;
181} 136}
182 137
183static inline int 138static inline int
184make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 139make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
185{ 140{
191 src_pos = -pos; 146 src_pos = -pos;
192 dst_pos = 0; 147 dst_pos = 0;
193 dst_size += pos; 148 dst_size += pos;
194 } 149 }
195 150
196 if (dst_pos + dst_size > target_size)
197 dst_size = target_size - dst_pos; 151 min_it (dst_size, target_size - dst_pos);
198 return src_pos; 152 return src_pos;
199} 153}
200 154
155static void
156parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
157{
158 if (!strcasecmp (style, "tiled"))
159 {
160 flags = IM_TILE;
161 w = h = noScale;
162 x = y = 0;
163 }
164 else if (!strcasecmp (style, "aspect-stretched"))
165 {
166 flags = IM_KEEP_ASPECT;
167 w = h = windowScale;
168 x = y = centerAlign;
169 }
170 else if (!strcasecmp (style, "stretched"))
171 {
172 flags = 0;
173 w = h = windowScale;
174 x = y = centerAlign;
175 }
176 else if (!strcasecmp (style, "centered"))
177 {
178 flags = 0;
179 w = h = noScale;
180 x = y = centerAlign;
181 }
182 else if (!strcasecmp (style, "root-tiled"))
183 {
184 flags = IM_TILE|IM_ROOT_ALIGN;
185 w = h = noScale;
186 x = y = 0;
187 }
188}
189
201bool 190bool
202rxvt_term::bg_set_geometry (const char *geom, bool update) 191rxvt_image::set_geometry (const char *geom, bool update)
203{ 192{
204 bool changed = false; 193 bool changed = false;
205 int geom_flags = 0; 194 int geom_flags = 0;
206 int x = 0, y = 0; 195 int x = h_align;
196 int y = v_align;
207 unsigned int w = 0, h = 0; 197 unsigned int w = h_scale;
208 unsigned long new_flags = 0; 198 unsigned int h = v_scale;
199 uint8_t new_flags = 0;
209 200
210 if (geom == NULL) 201 if (geom == NULL)
211 return false; 202 return false;
212 203
213 if (geom[0]) 204 if (geom[0])
214 { 205 {
215 char **arr = rxvt_strsplit (':', geom); 206 char **arr = rxvt_strsplit (':', geom);
216 207
217 for (int i = 0; arr[i]; i++) 208 for (int i = 0; arr[i]; i++)
218 { 209 {
219 if (!strcasecmp (arr[i], "style=tiled")) 210 if (!strncasecmp (arr[i], "style=", 6))
220 { 211 {
221 new_flags = BG_TILE; 212 parse_style (arr[i] + 6, x, y, w, h, new_flags);
222 w = h = noScale;
223 x = y = 0;
224 geom_flags = WidthValue|HeightValue|XValue|YValue; 213 geom_flags = WidthValue|HeightValue|XValue|YValue;
225 } 214 }
226 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
227 {
228 new_flags = BG_KEEP_ASPECT;
229 w = h = windowScale;
230 x = y = centerAlign;
231 geom_flags = WidthValue|HeightValue|XValue|YValue;
232 }
233 else if (!strcasecmp (arr[i], "style=stretched"))
234 {
235 new_flags = 0;
236 w = h = windowScale;
237 geom_flags = WidthValue|HeightValue;
238 }
239 else if (!strcasecmp (arr[i], "style=centered"))
240 {
241 new_flags = 0;
242 w = h = noScale;
243 x = y = centerAlign;
244 geom_flags = WidthValue|HeightValue|XValue|YValue;
245 }
246 else if (!strcasecmp (arr[i], "style=root-tiled"))
247 {
248 new_flags = BG_TILE|BG_ROOT_ALIGN;
249 w = h = noScale;
250 geom_flags = WidthValue|HeightValue;
251 }
252 else if (!strcasecmp (arr[i], "op=tile")) 215 else if (!strcasecmp (arr[i], "op=tile"))
253 new_flags |= BG_TILE; 216 new_flags |= IM_TILE;
254 else if (!strcasecmp (arr[i], "op=keep-aspect")) 217 else if (!strcasecmp (arr[i], "op=keep-aspect"))
255 new_flags |= BG_KEEP_ASPECT; 218 new_flags |= IM_KEEP_ASPECT;
256 else if (!strcasecmp (arr[i], "op=root-align")) 219 else if (!strcasecmp (arr[i], "op=root-align"))
257 new_flags |= BG_ROOT_ALIGN; 220 new_flags |= IM_ROOT_ALIGN;
258 221
259 // deprecated 222 // deprecated
260 else if (!strcasecmp (arr[i], "tile")) 223 else if (!strcasecmp (arr[i], "tile"))
261 { 224 {
262 new_flags |= BG_TILE; 225 new_flags |= IM_TILE;
263 w = h = noScale; 226 w = h = noScale;
264 geom_flags |= WidthValue|HeightValue; 227 geom_flags |= WidthValue|HeightValue;
265 } 228 }
266 else if (!strcasecmp (arr[i], "propscale")) 229 else if (!strcasecmp (arr[i], "propscale"))
267 { 230 {
268 new_flags |= BG_KEEP_ASPECT; 231 new_flags |= IM_KEEP_ASPECT;
269 w = h = windowScale; 232 w = h = windowScale;
270 geom_flags |= WidthValue|HeightValue; 233 geom_flags |= WidthValue|HeightValue;
271 } 234 }
272 else if (!strcasecmp (arr[i], "hscale")) 235 else if (!strcasecmp (arr[i], "hscale"))
273 { 236 {
274 new_flags |= BG_TILE; 237 new_flags |= IM_TILE;
275 w = windowScale; 238 w = windowScale;
276 h = noScale; 239 h = noScale;
277 geom_flags |= WidthValue|HeightValue; 240 geom_flags |= WidthValue|HeightValue;
278 } 241 }
279 else if (!strcasecmp (arr[i], "vscale")) 242 else if (!strcasecmp (arr[i], "vscale"))
280 { 243 {
281 new_flags |= BG_TILE; 244 new_flags |= IM_TILE;
282 h = windowScale; 245 h = windowScale;
283 w = noScale; 246 w = noScale;
284 geom_flags |= WidthValue|HeightValue; 247 geom_flags |= WidthValue|HeightValue;
285 } 248 }
286 else if (!strcasecmp (arr[i], "scale")) 249 else if (!strcasecmp (arr[i], "scale"))
294 x = y = centerAlign; 257 x = y = centerAlign;
295 geom_flags |= WidthValue|HeightValue|XValue|YValue; 258 geom_flags |= WidthValue|HeightValue|XValue|YValue;
296 } 259 }
297 else if (!strcasecmp (arr[i], "root")) 260 else if (!strcasecmp (arr[i], "root"))
298 { 261 {
299 new_flags |= BG_TILE|BG_ROOT_ALIGN; 262 new_flags |= IM_TILE|IM_ROOT_ALIGN;
300 w = h = noScale; 263 w = h = noScale;
301 geom_flags |= WidthValue|HeightValue; 264 geom_flags |= WidthValue|HeightValue;
302 } 265 }
303 266
304 else 267 else
306 } /* done parsing ops */ 269 } /* done parsing ops */
307 270
308 rxvt_free_strsplit (arr); 271 rxvt_free_strsplit (arr);
309 } 272 }
310 273
311 new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS; 274 new_flags |= flags & ~IM_GEOMETRY_FLAGS;
312 275
313 if (!update) 276 if (!update)
314 { 277 {
315 if (!(geom_flags & XValue)) 278 if (!(geom_flags & XValue))
316 x = y = defaultAlign; 279 x = y = defaultAlign;
321 w = h = defaultScale; 284 w = h = defaultScale;
322 else if (!(geom_flags & HeightValue)) 285 else if (!(geom_flags & HeightValue))
323 h = w; 286 h = w;
324 else if (!(geom_flags & WidthValue)) 287 else if (!(geom_flags & WidthValue))
325 w = h; 288 w = h;
326
327 geom_flags |= WidthValue|HeightValue|XValue|YValue;
328 }
329
330 if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
331 if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
332 if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
333 if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
334
335 if (new_flags != bg_flags)
336 { 289 }
290
291 clamp_it (x, -100, 200);
292 clamp_it (y, -100, 200);
293
294 if (flags != new_flags
295 || h_scale != w
296 || v_scale != h
297 || h_align != x
298 || v_align != y)
299 {
337 bg_flags = new_flags; 300 flags = new_flags;
301 h_scale = w;
302 v_scale = h;
303 h_align = x;
304 v_align = y;
338 changed = true; 305 changed = true;
339 } 306 }
340 307
308 if (!(flags & IM_TILE)
309 || h_scale || v_scale
310 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
311 flags |= IM_IS_SIZE_SENSITIVE;
312 else
313 flags &= ~IM_IS_SIZE_SENSITIVE;
314
341 return changed; 315 return changed;
342} 316}
343 317
344void 318void
345rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) 319rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
346{ 320{
321 int image_width = image.width ();
322 int image_height = image.height ();
347 int target_width = szHint.width; 323 int target_width = szHint.width;
348 int target_height = szHint.height; 324 int target_height = szHint.height;
325 int h_scale = min (image.h_scale, 32767 * 100 / target_width);
326 int v_scale = min (image.v_scale, 32767 * 100 / target_height);
349 327
350 w = h_scale * target_width / 100; 328 w = h_scale * target_width / 100;
351 h = v_scale * target_height / 100; 329 h = v_scale * target_height / 100;
352 330
353 if (bg_flags & BG_KEEP_ASPECT) 331 if (image.flags & IM_KEEP_ASPECT)
354 { 332 {
355 float scale = (float)w / image_width; 333 float scale = (float)w / image_width;
356 min_it (scale, (float)h / image_height); 334 min_it (scale, (float)h / image_height);
357 w = image_width * scale + 0.5; 335 w = image_width * scale + 0.5;
358 h = image_height * scale + 0.5; 336 h = image_height * scale + 0.5;
359 } 337 }
360 338
361 if (!w) w = image_width; 339 if (!w) w = image_width;
362 if (!h) h = image_height; 340 if (!h) h = image_height;
363 341
364 if (bg_flags & BG_ROOT_ALIGN) 342 if (image.flags & IM_ROOT_ALIGN)
365 { 343 {
366 x = -target_x; 344 x = -target_x;
367 y = -target_y; 345 y = -target_y;
368 } 346 }
369 else 347 else
370 { 348 {
371 x = make_align_position (h_align, target_width, w); 349 x = make_align_position (image.h_align, target_width, w);
372 y = make_align_position (v_align, target_height, h); 350 y = make_align_position (image.v_align, target_height, h);
373 }
374
375 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
376 if (!(bg_flags & BG_TILE)
377 || h_scale || v_scale
378 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
379 || w > target_width || h > target_height)
380 bg_flags |= BG_IS_SIZE_SENSITIVE;
381}
382
383# ifdef HAVE_AFTERIMAGE
384bool
385rxvt_term::render_image (unsigned long tr_flags)
386{
387 init_asv ();
388
389 ASImage *background = NULL;
390 ARGB32 background_tint = TINT_LEAVE_SAME;
391
392# ifdef ENABLE_TRANSPARENCY
393 if (tr_flags)
394 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
395
396 if (tr_flags & BG_NEEDS_TINT)
397 { 351 }
398 ShadingInfo as_shade; 352}
399 as_shade.shading = shade;
400 353
401 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 354# ifdef HAVE_PIXBUF
402 if (bg_flags & BG_TINT_SET) 355bool
403 tint.get (c); 356rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
404 as_shade.tintColor.red = c.r; 357 int src_x, int src_y, int dst_x, int dst_y,
405 as_shade.tintColor.green = c.g; 358 unsigned int width, unsigned int height, bool argb)
406 as_shade.tintColor.blue = c.b; 359{
360 XImage *ximage;
361 char *line;
362 int width_r, width_g, width_b, width_a;
363 int sh_r, sh_g, sh_b, sh_a;
364 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
365 int rowstride;
366 int channels;
367 unsigned char *row;
407 368
408 background_tint = shading2tint32 (&as_shade); 369 if (visual->c_class != TrueColor)
370 return false;
371
372 if (argb)
409 } 373 {
410 374 red_mask = 0xff << 16;
411 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL) 375 green_mask = 0xff << 8;
376 blue_mask = 0xff;
377 alpha_mask = 0xff << 24;
412 { 378 }
413 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF, 379 else
414 ASA_XImage, 380 {
415 100, ASIMAGE_QUALITY_DEFAULT); 381 red_mask = visual->red_mask;
382 green_mask = visual->green_mask;
383 blue_mask = visual->blue_mask;
384#if XRENDER
385 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
416 if (tmp) 386 if (format)
387 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
388 else
389#endif
390 alpha_mask = 0;
391 }
392
393 width_r = ecb_popcount32 (red_mask);
394 width_g = ecb_popcount32 (green_mask);
395 width_b = ecb_popcount32 (blue_mask);
396 width_a = ecb_popcount32 (alpha_mask);
397
398 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
399 return false;
400
401 sh_r = ecb_ctz32 (red_mask);
402 sh_g = ecb_ctz32 (green_mask);
403 sh_b = ecb_ctz32 (blue_mask);
404 sh_a = ecb_ctz32 (alpha_mask);
405
406 if (width > 32767 || height > 32767)
407 return false;
408
409 ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
410 width, height, 32, 0);
411 if (!ximage)
412 return false;
413
414 if (height > INT_MAX / ximage->bytes_per_line
415 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
416 {
417 XDestroyImage (ximage);
418 return false;
419 }
420
421 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
422
423 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
424 channels = gdk_pixbuf_get_n_channels (pixbuf);
425 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
426 line = ximage->data;
427
428 rgba c (0, 0, 0);
429
430 if (channels == 4 && alpha_mask == 0)
431 {
432 pix_colors[Color_bg].get (c);
433 c.r >>= 8;
434 c.g >>= 8;
435 c.b >>= 8;
436 }
437
438 for (int y = 0; y < height; y++)
439 {
440 for (int x = 0; x < width; x++)
441 {
442 unsigned char *pixel = row + x * channels;
443 uint32_t value;
444 unsigned char r, g, b, a;
445
446 if (channels == 4)
417 { 447 {
418 destroy_asimage (&background); 448 a = pixel[3];
419 background = tmp; 449 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
450 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
451 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
452 }
453 else
454 {
455 a = 0xff;
456 r = pixel[0];
457 g = pixel[1];
458 b = pixel[2];
459 }
460
461 value = ((r >> (8 - width_r)) << sh_r)
462 | ((g >> (8 - width_g)) << sh_g)
463 | ((b >> (8 - width_b)) << sh_b)
464 | ((a >> (8 - width_a)) << sh_a);
465
466 if (ximage->bits_per_pixel == 32)
467 ((uint32_t *)line)[x] = value;
468 else
469 XPutPixel (ximage, x, y, value);
420 } 470 }
421 }
422# endif
423 471
424 ASImage *result = 0; 472 row += rowstride;
473 line += ximage->bytes_per_line;
474 }
475
476 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
477 XDestroyImage (ximage);
478 return true;
479}
480
481bool
482rxvt_term::render_image (rxvt_image &image)
483{
484 GdkPixbuf *pixbuf = image.pixbuf;
485 if (!pixbuf)
486 return false;
487
488 bool need_blend = bg_flags & BG_IS_VALID;
489
490 if (need_blend
491 && !(bg_flags & BG_HAS_RENDER))
492 return false;
493
494 GdkPixbuf *result;
495
496 int image_width = gdk_pixbuf_get_width (pixbuf);
497 int image_height = gdk_pixbuf_get_height (pixbuf);
425 498
426 int target_width = szHint.width; 499 int target_width = szHint.width;
427 int target_height = szHint.height; 500 int target_height = szHint.height;
428 int new_pmap_width = target_width; 501 int new_pmap_width = target_width;
429 int new_pmap_height = target_height; 502 int new_pmap_height = target_height;
431 int x = 0; 504 int x = 0;
432 int y = 0; 505 int y = 0;
433 int w = 0; 506 int w = 0;
434 int h = 0; 507 int h = 0;
435 508
436 if (original_asim) 509 get_image_geometry (image, w, h, x, y);
437 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
438 510
439 if (!original_asim 511 if (!(image.flags & IM_ROOT_ALIGN)
440 || (!(bg_flags & BG_ROOT_ALIGN)
441 && (x >= target_width 512 && (x >= target_width
442 || y >= target_height 513 || y >= target_height
443 || x + w <= 0 514 || x + w <= 0
444 || y + h <= 0))) 515 || y + h <= 0))
516 return false;
517
518 result = pixbuf;
519
520 if (w != image_width
521 || h != image_height)
522 {
523 result = gdk_pixbuf_scale_simple (pixbuf,
524 w, h,
525 GDK_INTERP_BILINEAR);
445 { 526 }
446 if (background)
447 {
448 new_pmap_width = background->width;
449 new_pmap_height = background->height;
450 result = background;
451 527
452 if (background_tint != TINT_LEAVE_SAME) 528 if (!result)
529 return false;
530
531 bool ret = false;
532
533 XGCValues gcv;
534 GC gc;
535 Pixmap tmp_pixmap;
536
537 image_width = gdk_pixbuf_get_width (result);
538 image_height = gdk_pixbuf_get_height (result);
539
540 if (need_blend)
541 tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
542 else
543 {
544 // optimise bg pixmap size when tiling, but only if there are no
545 // other pixbufs to render. Otherwise, the bg pixmap size must
546 // be equal to the window size.
547 if ((image.flags & IM_TILE)
548 && image_vec.size () == 1)
453 { 549 {
454 ASImage *tmp = tile_asimage (asv, background, 0, 0, 550 new_pmap_width = min (image_width, target_width);
455 target_width, target_height, background_tint, 551 new_pmap_height = min (image_height, target_height);
456 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
457 if (tmp)
458 result = tmp;
459 }
460 } 552 }
461 else
462 new_pmap_width = new_pmap_height = 0;
463 }
464 else
465 {
466 result = original_asim;
467 553
468 if (w != original_asim->width
469 || h != original_asim->height)
470 {
471 result = scale_asimage (asv, original_asim,
472 w, h,
473 ASA_XImage,
474 100, ASIMAGE_QUALITY_DEFAULT);
475 }
476
477 if (background == NULL)
478 {
479 if (bg_flags & BG_TILE)
480 {
481 /* if tiling - pixmap has to be sized exactly as the image,
482 but there is no need to make it bigger than the window! */
483 new_pmap_width = min (result->width, target_width);
484 new_pmap_height = min (result->height, target_height);
485
486 /* we also need to tile our image in both directions */
487 ASImage *tmp = tile_asimage (asv, result,
488 (int)result->width - x,
489 (int)result->height - y,
490 new_pmap_width,
491 new_pmap_height,
492 TINT_LEAVE_SAME, ASA_XImage,
493 100, ASIMAGE_QUALITY_DEFAULT);
494 if (tmp)
495 {
496 if (result != original_asim)
497 destroy_asimage (&result);
498
499 result = tmp;
500 }
501 }
502 }
503 else
504 {
505 /* if blending background and image - pixmap has to be sized same as target window */
506 ASImageLayer *layers = create_image_layers (2);
507
508 layers[0].im = background;
509 layers[0].clip_width = target_width;
510 layers[0].clip_height = target_height;
511 layers[0].tint = background_tint;
512 layers[1].im = result;
513
514 if (bg_flags & BG_TILE)
515 {
516 /* tile horizontally */
517 while (x > 0) x -= (int)result->width;
518 layers[1].dst_x = x;
519 layers[1].clip_width = result->width+target_width;
520 }
521 else
522 {
523 /* clip horizontally */
524 layers[1].dst_x = x;
525 layers[1].clip_width = result->width;
526 }
527
528 if (bg_flags & BG_TILE)
529 {
530 while (y > 0) y -= (int)result->height;
531 layers[1].dst_y = y;
532 layers[1].clip_height = result->height + target_height;
533 }
534 else
535 {
536 layers[1].dst_y = y;
537 layers[1].clip_height = result->height;
538 }
539
540 if (rs[Rs_blendtype])
541 {
542 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
543 if (layers[1].merge_scanlines == NULL)
544 layers[1].merge_scanlines = alphablend_scanlines;
545 }
546
547 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
548 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
549
550 if (tmp)
551 {
552 if (result != original_asim)
553 destroy_asimage (&result);
554
555 result = tmp;
556 }
557
558 free (layers);
559 }
560 }
561
562 bool ret = false;
563
564 if (result)
565 {
566 XGCValues gcv;
567 GC gc;
568
569 /* create Pixmap */
570 if (bg_pixmap == None 554 if (bg_pixmap == None
571 || bg_pmap_width != new_pmap_width 555 || bg_pmap_width != new_pmap_width
572 || bg_pmap_height != new_pmap_height) 556 || bg_pmap_height != new_pmap_height)
573 { 557 {
574 if (bg_pixmap) 558 if (bg_pixmap)
575 XFreePixmap (dpy, bg_pixmap); 559 XFreePixmap (dpy, bg_pixmap);
576 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth); 560 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
577 bg_pmap_width = new_pmap_width; 561 bg_pmap_width = new_pmap_width;
578 bg_pmap_height = new_pmap_height; 562 bg_pmap_height = new_pmap_height;
579 } 563 }
580 /* fill with background color (if result's not completely overlapping it) */
581 gcv.foreground = pix_colors[Color_bg];
582 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
583 564
584 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
585 int dst_width = result->width, dst_height = result->height;
586 if (background == NULL)
587 {
588 if (!(bg_flags & BG_TILE))
589 {
590 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
591 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
592 }
593
594 if (dst_x > 0 || dst_y > 0
595 || dst_x + dst_width < new_pmap_width
596 || dst_y + dst_height < new_pmap_height)
597 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
598 }
599
600 /* put result on pixmap */
601 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
602 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
603
604 if (result != background && result != original_asim)
605 destroy_asimage (&result);
606
607 XFreeGC (dpy, gc);
608
609 ret = true;
610 }
611
612 if (background)
613 destroy_asimage (&background);
614
615 return ret;
616}
617# endif /* HAVE_AFTERIMAGE */
618
619# ifdef HAVE_PIXBUF
620bool
621rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
622 int src_x, int src_y, int dst_x, int dst_y,
623 unsigned int width, unsigned int height)
624{
625 XImage *ximage;
626 char *data, *line;
627 int bytes_per_pixel;
628 int width_r, width_g, width_b;
629 int sh_r, sh_g, sh_b;
630 int rowstride;
631 int channels;
632 unsigned char *row;
633
634 if (visual->c_class != TrueColor)
635 return false;
636
637 if (depth == 24 || depth == 32)
638 bytes_per_pixel = 4;
639 else if (depth == 15 || depth == 16)
640 bytes_per_pixel = 2;
641 else
642 return false;
643
644 width_r = ecb_popcount32 (visual->red_mask);
645 width_g = ecb_popcount32 (visual->green_mask);
646 width_b = ecb_popcount32 (visual->blue_mask);
647
648 if (width_r > 8 || width_g > 8 || width_b > 8)
649 return false;
650
651 sh_r = ecb_ctz32 (visual->red_mask);
652 sh_g = ecb_ctz32 (visual->green_mask);
653 sh_b = ecb_ctz32 (visual->blue_mask);
654
655 if (width > INT_MAX / height / bytes_per_pixel)
656 return false;
657
658 data = (char *)malloc (width * height * bytes_per_pixel);
659 if (!data)
660 return false;
661
662 ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
663 width, height, bytes_per_pixel * 8, 0);
664 if (!ximage)
665 {
666 free (data);
667 return false;
668 }
669
670 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
671
672 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
673 channels = gdk_pixbuf_get_n_channels (pixbuf);
674 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
675 line = data;
676
677 for (int y = 0; y < height; y++)
678 {
679 for (int x = 0; x < width; x++)
680 {
681 unsigned char *pixel = row + x * channels;
682 uint32_t value;
683
684 value = ((pixel[0] >> (8 - width_r)) << sh_r)
685 | ((pixel[1] >> (8 - width_g)) << sh_g)
686 | ((pixel[2] >> (8 - width_b)) << sh_b);
687
688 if (bytes_per_pixel == 4)
689 ((uint32_t *)line)[x] = value;
690 else
691 ((uint16_t *)line)[x] = value;
692 }
693
694 row += rowstride;
695 line += ximage->bytes_per_line;
696 }
697
698 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
699 XDestroyImage (ximage);
700 return true;
701}
702
703bool
704rxvt_term::render_image (unsigned long tr_flags)
705{
706 if (!pixbuf)
707 return false;
708
709 if (tr_flags
710 && !(bg_flags & BG_HAS_RENDER))
711 return false;
712
713 GdkPixbuf *result;
714
715 int image_width = gdk_pixbuf_get_width (pixbuf);
716 int image_height = gdk_pixbuf_get_height (pixbuf);
717
718 int target_width = szHint.width;
719 int target_height = szHint.height;
720 int new_pmap_width = target_width;
721 int new_pmap_height = target_height;
722
723 int x = 0;
724 int y = 0;
725 int w = 0;
726 int h = 0;
727
728 get_image_geometry (image_width, image_height, w, h, x, y);
729
730 if (!(bg_flags & BG_ROOT_ALIGN)
731 && (x >= target_width
732 || y >= target_height
733 || x + w <= 0
734 || y + h <= 0))
735 return false;
736
737 result = pixbuf;
738
739 if (w != image_width
740 || h != image_height)
741 {
742 result = gdk_pixbuf_scale_simple (pixbuf,
743 w, h,
744 GDK_INTERP_BILINEAR);
745 }
746
747 if (!result)
748 return false;
749
750 bool ret = false;
751
752 XGCValues gcv;
753 GC gc;
754 Pixmap root_pmap;
755
756 image_width = gdk_pixbuf_get_width (result);
757 image_height = gdk_pixbuf_get_height (result);
758
759 if (tr_flags)
760 {
761 root_pmap = bg_pixmap; 565 tmp_pixmap = bg_pixmap;
762 bg_pixmap = None;
763 }
764 else
765 {
766 if (bg_flags & BG_TILE)
767 {
768 new_pmap_width = min (image_width, target_width);
769 new_pmap_height = min (image_height, target_height);
770 }
771 }
772
773 if (bg_pixmap == None
774 || bg_pmap_width != new_pmap_width
775 || bg_pmap_height != new_pmap_height)
776 {
777 if (bg_pixmap)
778 XFreePixmap (dpy, bg_pixmap);
779 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
780 bg_pmap_width = new_pmap_width;
781 bg_pmap_height = new_pmap_height;
782 } 566 }
783 567
784 gcv.foreground = pix_colors[Color_bg]; 568 gcv.foreground = pix_colors[Color_bg];
785 gc = XCreateGC (dpy, vt, GCForeground, &gcv); 569 gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
786 570
787 if (gc) 571 if (gc)
788 { 572 {
789 if (bg_flags & BG_TILE) 573 if (image.flags & IM_TILE)
790 { 574 {
791 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth); 575 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
792 pixbuf_to_pixmap (result, tile, gc, 576 pixbuf_to_pixmap (result, tile, gc,
793 0, 0, 577 0, 0,
794 0, 0, 578 0, 0,
795 image_width, image_height); 579 image_width, image_height, need_blend);
796 580
797 gcv.tile = tile; 581 gcv.tile = tile;
798 gcv.fill_style = FillTiled; 582 gcv.fill_style = FillTiled;
799 gcv.ts_x_origin = x; 583 gcv.ts_x_origin = x;
800 gcv.ts_y_origin = y; 584 gcv.ts_y_origin = y;
801 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 585 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
802 586
803 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); 587 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
804 XFreePixmap (dpy, tile); 588 XFreePixmap (dpy, tile);
805 } 589 }
806 else 590 else
807 { 591 {
808 int src_x, src_y, dst_x, dst_y; 592 int src_x, src_y, dst_x, dst_y;
812 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height); 596 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
813 597
814 if (dst_x > 0 || dst_y > 0 598 if (dst_x > 0 || dst_y > 0
815 || dst_x + dst_width < new_pmap_width 599 || dst_x + dst_width < new_pmap_width
816 || dst_y + dst_height < new_pmap_height) 600 || dst_y + dst_height < new_pmap_height)
817 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); 601 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
818 602
819 if (dst_x < new_pmap_width && dst_y < new_pmap_height) 603 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
820 pixbuf_to_pixmap (result, bg_pixmap, gc, 604 pixbuf_to_pixmap (result, tmp_pixmap, gc,
821 src_x, src_y, 605 src_x, src_y,
822 dst_x, dst_y, 606 dst_x, dst_y,
823 dst_width, dst_height); 607 dst_width, dst_height, need_blend);
824 } 608 }
825 609
826#if XRENDER 610#if XRENDER
827 if (tr_flags) 611 if (need_blend)
828 { 612 {
613 XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
829 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 614 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
830 615
831 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0); 616 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
832 617
833 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0); 618 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
834 619
835 Picture mask = create_xrender_mask (dpy, vt, False, False); 620 Picture mask = create_xrender_mask (dpy, vt, False, False);
836 621
837 XRenderColor mask_c; 622 XRenderColor mask_c;
838 623
839 mask_c.alpha = 0x8000; 624 mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
840 mask_c.red = 625 mask_c.red =
841 mask_c.green = 626 mask_c.green =
842 mask_c.blue = 0; 627 mask_c.blue = 0;
843 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 628 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
844 629
856 } 641 }
857 642
858 if (result != pixbuf) 643 if (result != pixbuf)
859 g_object_unref (result); 644 g_object_unref (result);
860 645
861 if (tr_flags) 646 if (need_blend)
862 XFreePixmap (dpy, root_pmap); 647 XFreePixmap (dpy, tmp_pixmap);
863 648
864 return ret; 649 return ret;
865} 650}
866# endif /* HAVE_PIXBUF */ 651# endif /* HAVE_PIXBUF */
867 652
653# ifndef NO_RESOURCES
654static int
655rxvt_define_image (XrmDatabase *database ecb_unused,
656 XrmBindingList bindings ecb_unused,
657 XrmQuarkList quarks,
658 XrmRepresentation *type ecb_unused,
659 XrmValue *value,
660 XPointer closure ecb_unused)
661{
662 int size;
663
664 for (size = 0; quarks[size] != NULLQUARK; size++)
665 ;
666
667 if (size >= 2)
668 {
669 int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
670 if (id >= 1)
671 GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
672 }
673 return False;
674}
675
676void
677rxvt_term::parse_image (int id, const char *type, const char *arg)
678{
679 rxvt_image *image;
680
681 for (image = image_vec.begin (); image < image_vec.end (); image++)
682 if (image->id == id)
683 break;
684
685 if (image == image_vec.end ())
686 {
687 image = new_image ();
688 image->id = id;
689 }
690}
691# endif
692
693rxvt_image::rxvt_image ()
694{
695 id =
696 alpha =
697 flags =
698 h_scale =
699 v_scale =
700 h_align =
701 v_align = 0;
702
703# ifdef HAVE_PIXBUF
704 pixbuf = 0;
705# endif
706}
707
868bool 708bool
869rxvt_term::bg_set_file (const char *file) 709rxvt_image::set_file_geometry (const char *file)
870{ 710{
871 if (!file || !*file) 711 if (!file || !*file)
872 return false; 712 return false;
873 713
874 bool ret = false;
875 const char *p = strchr (file, ';'); 714 const char *p = strchr (file, ';');
876 715
877 if (p) 716 if (p)
878 { 717 {
879 size_t len = p - file; 718 size_t len = p - file;
881 memcpy (f, file, len); 720 memcpy (f, file, len);
882 f[len] = '\0'; 721 f[len] = '\0';
883 file = f; 722 file = f;
884 } 723 }
885 724
886# ifdef HAVE_AFTERIMAGE 725 bool ret = set_file (file);
887 if (!asimman) 726 alpha = 0x8000;
888 asimman = create_generic_imageman (rs[Rs_path]); 727 if (ret && p)
889 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100); 728 set_geometry (p + 1);
890 if (image) 729 return ret;
891 { 730}
892 if (original_asim) 731
893 safe_asimage_destroy (original_asim); 732bool
894 original_asim = image; 733rxvt_image::set_file (const char *file)
895 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER; 734{
896 ret = true; 735 bool ret = false;
897 }
898# endif
899 736
900# ifdef HAVE_PIXBUF 737# ifdef HAVE_PIXBUF
901 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 738 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
902 if (image) 739 if (image)
903 { 740 {
904 if (pixbuf) 741 if (pixbuf)
905 g_object_unref (pixbuf); 742 g_object_unref (pixbuf);
906 pixbuf = image; 743 pixbuf = image;
907 bg_flags |= BG_IS_FROM_FILE;
908 ret = true; 744 ret = true;
909 } 745 }
910# endif 746# endif
911 747
912 if (ret) 748 if (ret)
913 { 749 {
914 if (p) 750 alpha = 0xffff;
915 bg_set_geometry (p + 1); 751 flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
916 else 752 h_scale = v_scale = defaultScale;
917 bg_set_default_geometry (); 753 h_align = v_align = defaultAlign;
918 } 754 }
919 755
920 return ret; 756 return ret;
921} 757}
922 758
923# endif /* BG_IMAGE_FROM_FILE */ 759# endif /* BG_IMAGE_FROM_FILE */
924 760
925# ifdef ENABLE_TRANSPARENCY 761# ifdef ENABLE_TRANSPARENCY
926bool
927rxvt_term::bg_set_transparent ()
928{
929 if (!(bg_flags & BG_IS_TRANSPARENT))
930 {
931 bg_flags |= BG_IS_TRANSPARENT;
932 return true;
933 }
934
935 return false;
936}
937
938bool 762bool
939rxvt_term::bg_set_blur (const char *geom) 763rxvt_term::bg_set_blur (const char *geom)
940{ 764{
941 bool changed = false; 765 bool changed = false;
942 unsigned int hr, vr; 766 unsigned int hr, vr;
961 { 785 {
962 changed = true; 786 changed = true;
963 v_blurRadius = vr; 787 v_blurRadius = vr;
964 } 788 }
965 789
966 if (h_blurRadius == 0 || v_blurRadius == 0)
967 bg_flags &= ~BG_NEEDS_BLUR;
968 else
969 bg_flags |= BG_NEEDS_BLUR;
970
971 return changed; 790 return changed;
972} 791}
973 792
974void 793bool
975rxvt_term::set_tint_shade_flags () 794rxvt_term::bg_set_tint (rxvt_color &new_tint)
976{ 795{
796 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
797 {
798 tint = new_tint;
799 bg_flags |= BG_TINT_SET;
800
977 rgba c; 801 rgba c;
978 bool has_shade = shade != 100;
979
980 bg_flags &= ~BG_TINT_FLAGS;
981
982 if (bg_flags & BG_TINT_SET)
983 {
984 tint.get (c); 802 tint.get (c);
985 if (!has_shade
986 && (c.r <= 0x00ff || c.r >= 0xff00) 803 if ((c.r <= 0x00ff || c.r >= 0xff00)
987 && (c.g <= 0x00ff || c.g >= 0xff00) 804 && (c.g <= 0x00ff || c.g >= 0xff00)
988 && (c.b <= 0x00ff || c.b >= 0xff00)) 805 && (c.b <= 0x00ff || c.b >= 0xff00))
989 bg_flags |= BG_TINT_BITAND; 806 bg_flags |= BG_TINT_BITAND;
990 } 807 else
991
992 if (has_shade || (bg_flags & BG_TINT_SET))
993 bg_flags |= BG_NEEDS_TINT;
994}
995
996bool
997rxvt_term::bg_set_tint (rxvt_color &new_tint)
998{
999 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
1000 {
1001 tint = new_tint;
1002 bg_flags |= BG_TINT_SET; 808 bg_flags &= ~BG_TINT_BITAND;
1003 set_tint_shade_flags (); 809
1004 return true; 810 return true;
1005 } 811 }
1006 812
1007 return false; 813 return false;
1008} 814}
1017 new_shade = 200 - (100 + new_shade); 823 new_shade = 200 - (100 + new_shade);
1018 824
1019 if (new_shade != shade) 825 if (new_shade != shade)
1020 { 826 {
1021 shade = new_shade; 827 shade = new_shade;
1022 set_tint_shade_flags ();
1023 return true; 828 return true;
1024 } 829 }
1025 830
1026 return false; 831 return false;
1027} 832}
1048 params[i+2] = XDoubleToFixed (kernel[i] / sum); 853 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1049} 854}
1050#endif 855#endif
1051 856
1052bool 857bool
1053rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 858rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1054{ 859{
1055 bool ret = false; 860 bool ret = false;
1056#if XRENDER 861#if XRENDER
1057 if (!(bg_flags & BG_HAS_RENDER_CONV)) 862 if (!(bg_flags & BG_HAS_RENDER_CONV))
1058 return false; 863 return false;
1064 XRenderPictureAttributes pa; 869 XRenderPictureAttributes pa;
1065 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 870 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1066 871
1067 pa.repeat = RepeatPad; 872 pa.repeat = RepeatPad;
1068 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); 873 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
874 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1069 Picture dst = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); 875 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
876 XFreePixmap (dpy, tmp);
1070 877
1071 if (kernel && params) 878 if (kernel && params)
1072 { 879 {
1073 size = h_blurRadius * 2 + 1; 880 size = h_blurRadius * 2 + 1;
1074 get_gaussian_kernel (h_blurRadius, size, kernel, params); 881 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1082 0, 0, 889 0, 0,
1083 0, 0, 890 0, 0,
1084 0, 0, 891 0, 0,
1085 width, height); 892 width, height);
1086 893
894 ::swap (src, dst);
895
1087 size = v_blurRadius * 2 + 1; 896 size = v_blurRadius * 2 + 1;
1088 get_gaussian_kernel (v_blurRadius, size, kernel, params); 897 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1089 ::swap (params[0], params[1]); 898 ::swap (params[0], params[1]);
1090 899
1091 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 900 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1109#endif 918#endif
1110 return ret; 919 return ret;
1111} 920}
1112 921
1113bool 922bool
1114rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 923rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1115{ 924{
1116 bool ret = false; 925 bool ret = false;
1117 926
1118 if (bg_flags & BG_TINT_BITAND) 927 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1119 { 928 {
1120 XGCValues gcv; 929 XGCValues gcv;
1121 GC gc; 930 GC gc;
1122 931
1123 /* In this case we can tint image server-side getting significant 932 /* In this case we can tint image server-side getting significant
1204/* 1013/*
1205 * Builds a pixmap of the same size as the terminal window that contains 1014 * Builds a pixmap of the same size as the terminal window that contains
1206 * the tiled portion of the root pixmap that is supposed to be covered by 1015 * the tiled portion of the root pixmap that is supposed to be covered by
1207 * our window. 1016 * our window.
1208 */ 1017 */
1209unsigned long 1018bool
1210rxvt_term::make_transparency_pixmap () 1019rxvt_term::make_transparency_pixmap ()
1211{ 1020{
1212 unsigned long result = 0; 1021 bool ret = false;
1213 1022
1214 /* root dimensions may change from call to call - but Display structure should 1023 /* root dimensions may change from call to call - but Display structure should
1215 * be always up-to-date, so let's use it : 1024 * be always up-to-date, so let's use it :
1216 */ 1025 */
1217 int screen = display->screen; 1026 int screen = display->screen;
1298 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1107 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1299 1108
1300 if (gc) 1109 if (gc)
1301 { 1110 {
1302 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1111 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1303 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1112 ret = true;
1113 bool need_blur = h_blurRadius && v_blurRadius;
1114 bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1304 1115
1305 if (!(bg_flags & BG_CLIENT_RENDER)) 1116 if (!(bg_flags & BG_CLIENT_RENDER))
1306 { 1117 {
1307 if (bg_flags & BG_NEEDS_BLUR) 1118 if (need_blur)
1308 { 1119 {
1309 if (blur_pixmap (bg_pixmap, visual, window_width, window_height)) 1120 if (blur_pixmap (bg_pixmap, window_width, window_height))
1310 result &= ~BG_NEEDS_BLUR; 1121 need_blur = false;
1311 } 1122 }
1312 if (bg_flags & BG_NEEDS_TINT) 1123 if (need_tint)
1313 { 1124 {
1314 if (tint_pixmap (bg_pixmap, visual, window_width, window_height)) 1125 if (tint_pixmap (bg_pixmap, window_width, window_height))
1315 result &= ~BG_NEEDS_TINT; 1126 need_tint = false;
1316 } 1127 }
1317# ifndef HAVE_AFTERIMAGE 1128 if (need_tint)
1318 if (result & BG_NEEDS_TINT)
1319 { 1129 {
1320 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap); 1130 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1321 if (ximage) 1131 if (ximage)
1322 { 1132 {
1323 /* our own client-side tinting */ 1133 /* our own client-side tinting */
1324 tint_ximage (DefaultVisual (dpy, display->screen), ximage); 1134 tint_ximage (ximage);
1325 1135
1326 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height); 1136 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1327 XDestroyImage (ximage); 1137 XDestroyImage (ximage);
1328 } 1138 }
1329 } 1139 }
1330# endif
1331 } /* server side rendering completed */ 1140 } /* server side rendering completed */
1332 1141
1333 XFreeGC (dpy, gc); 1142 XFreeGC (dpy, gc);
1334 } 1143 }
1335 1144
1336 if (recoded_root_pmap != root_pixmap) 1145 if (recoded_root_pmap != root_pixmap)
1337 XFreePixmap (dpy, recoded_root_pmap); 1146 XFreePixmap (dpy, recoded_root_pmap);
1338 1147
1339 return result; 1148 return ret;
1340} 1149}
1341 1150
1342void 1151void
1343rxvt_term::bg_set_root_pixmap () 1152rxvt_term::bg_set_root_pixmap ()
1344{ 1153{
1351# endif /* ENABLE_TRANSPARENCY */ 1160# endif /* ENABLE_TRANSPARENCY */
1352 1161
1353bool 1162bool
1354rxvt_term::bg_render () 1163rxvt_term::bg_render ()
1355{ 1164{
1356 unsigned long tr_flags = 0;
1357
1358 bg_invalidate (); 1165 bg_invalidate ();
1359# ifdef ENABLE_TRANSPARENCY 1166# ifdef ENABLE_TRANSPARENCY
1360 if (bg_flags & BG_IS_TRANSPARENT) 1167 if (bg_flags & BG_IS_TRANSPARENT)
1361 { 1168 {
1362 /* we need to re-generate transparency pixmap in that case ! */ 1169 /* we need to re-generate transparency pixmap in that case ! */
1363 tr_flags = make_transparency_pixmap (); 1170 if (make_transparency_pixmap ())
1364 if (tr_flags == 0)
1365 return false;
1366 bg_flags |= BG_IS_VALID; 1171 bg_flags |= BG_IS_VALID;
1367 } 1172 }
1368# endif 1173# endif
1369 1174
1370# ifdef BG_IMAGE_FROM_FILE 1175# ifdef BG_IMAGE_FROM_FILE
1371 if ((bg_flags & BG_IS_FROM_FILE) 1176 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1372 || (tr_flags & BG_EFFECTS_FLAGS))
1373 { 1177 {
1374 if (render_image (tr_flags)) 1178 if (render_image (*bg_image))
1375 bg_flags |= BG_IS_VALID; 1179 bg_flags |= BG_IS_VALID;
1376 } 1180 }
1377# endif 1181# endif
1378 1182
1379 if (!(bg_flags & BG_IS_VALID)) 1183 if (!(bg_flags & BG_IS_VALID))
1413 bg_flags |= BG_HAS_RENDER_CONV; 1217 bg_flags |= BG_HAS_RENDER_CONV;
1414 1218
1415 XFree (filters); 1219 XFree (filters);
1416 } 1220 }
1417#endif 1221#endif
1222
1223#ifdef BG_IMAGE_FROM_FILE
1224 if (rs[Rs_backgroundPixmap])
1225 {
1226 rxvt_image *image = new_image ();
1227 if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
1228 image_vec.pop_back ();
1229 }
1230
1231# ifndef NO_RESOURCES
1232 find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
1233 vector<rxvt_image>::iterator bg_image = image_vec.begin ();
1234 while (bg_image != image_vec.end ())
1235 {
1236 if (!(bg_image->flags & IM_IS_SET))
1237 bg_image = image_vec.erase (bg_image);
1238 else
1239 bg_image++;
1240 }
1241# endif
1242
1243 if (image_vec.size () > 0
1244 && !bg_window_position_sensitive ())
1245 update_background ();
1246#endif
1418} 1247}
1419 1248
1420#endif /* HAVE_BG_PIXMAP */ 1249#endif /* HAVE_BG_PIXMAP */
1421 1250
1422#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1251#ifdef ENABLE_TRANSPARENCY
1423/* based on code from aterm-0.4.2 */ 1252/* based on code from aterm-0.4.2 */
1424 1253
1425static inline void 1254static inline void
1426fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high) 1255fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1427{ 1256{
1433 lookup[i] = (tmp / 0xffff) << sh; 1262 lookup[i] = (tmp / 0xffff) << sh;
1434 } 1263 }
1435} 1264}
1436 1265
1437void 1266void
1438rxvt_term::tint_ximage (Visual *visual, XImage *ximage) 1267rxvt_term::tint_ximage (XImage *ximage)
1439{ 1268{
1269 unsigned int size_r, size_g, size_b;
1440 int sh_r, sh_g, sh_b; 1270 int sh_r, sh_g, sh_b;
1441 uint32_t mask_r, mask_g, mask_b; 1271 uint32_t mask_r, mask_g, mask_b;
1442 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1272 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1443 unsigned short low; 1273 unsigned short low;
1444 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 1274 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449 mask_r = visual->red_mask; 1279 mask_r = visual->red_mask;
1450 mask_g = visual->green_mask; 1280 mask_g = visual->green_mask;
1451 mask_b = visual->blue_mask; 1281 mask_b = visual->blue_mask;
1452 1282
1453 /* boring lookup table pre-initialization */ 1283 /* boring lookup table pre-initialization */
1454 switch (ximage->depth) 1284 sh_r = ecb_ctz32 (mask_r);
1455 { 1285 sh_g = ecb_ctz32 (mask_g);
1456 case 15: 1286 sh_b = ecb_ctz32 (mask_b);
1457 if ((mask_r != 0x7c00) || 1287
1458 (mask_g != 0x03e0) || 1288 size_r = mask_r >> sh_r;
1459 (mask_b != 0x001f)) 1289 size_g = mask_g >> sh_g;
1290 size_b = mask_b >> sh_b;
1291
1292 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1460 return; 1293 return;
1461 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32)); 1294
1295 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1462 lookup_r = lookup; 1296 lookup_r = lookup;
1463 lookup_g = lookup+32; 1297 lookup_g = lookup + size_r;
1464 lookup_b = lookup+32+32; 1298 lookup_b = lookup + size_r + size_g;
1465 sh_r = 10;
1466 sh_g = 5;
1467 sh_b = 0;
1468 break;
1469 case 16:
1470 if ((mask_r != 0xf800) ||
1471 (mask_g != 0x07e0) ||
1472 (mask_b != 0x001f))
1473 return;
1474 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1475 lookup_r = lookup;
1476 lookup_g = lookup+32;
1477 lookup_b = lookup+32+64;
1478 sh_r = 11;
1479 sh_g = 5;
1480 sh_b = 0;
1481 break;
1482 case 24:
1483 if ((mask_r != 0xff0000) ||
1484 (mask_g != 0x00ff00) ||
1485 (mask_b != 0x0000ff))
1486 return;
1487 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1488 lookup_r = lookup;
1489 lookup_g = lookup+256;
1490 lookup_b = lookup+256+256;
1491 sh_r = 16;
1492 sh_g = 8;
1493 sh_b = 0;
1494 break;
1495 case 32:
1496 if ((mask_r != 0xff0000) ||
1497 (mask_g != 0x00ff00) ||
1498 (mask_b != 0x0000ff))
1499 return;
1500 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1501 lookup_r = lookup;
1502 lookup_g = lookup+256;
1503 lookup_b = lookup+256+256;
1504 sh_r = 16;
1505 sh_g = 8;
1506 sh_b = 0;
1507 break;
1508 default:
1509 return; /* we do not support this color depth */
1510 }
1511 1299
1512 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC); 1300 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1513 1301
1514 if (bg_flags & BG_TINT_SET) 1302 if (bg_flags & BG_TINT_SET)
1515 tint.get (c); 1303 tint.get (c);
1537 fill_lut (lookup_g, mask_g, sh_g, low, c.g); 1325 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1538 fill_lut (lookup_b, mask_b, sh_b, low, c.b); 1326 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1539 1327
1540 /* apply table to input image (replacing colors by newly calculated ones) */ 1328 /* apply table to input image (replacing colors by newly calculated ones) */
1541 if (ximage->bits_per_pixel == 32 1329 if (ximage->bits_per_pixel == 32
1542 && (ximage->depth == 24 || ximage->depth == 32)
1543 && ximage->byte_order == host_byte_order) 1330 && ximage->byte_order == host_byte_order)
1544 { 1331 {
1545 uint32_t *p1, *pf, *p, *pl; 1332 char *line = ximage->data;
1546 p1 = (uint32_t *) ximage->data;
1547 pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1548 1333
1549 while (p1 < pf) 1334 for (int y = 0; y < ximage->height; y++)
1550 { 1335 {
1551 p = p1; 1336 uint32_t *p = (uint32_t *)line;
1552 pl = p1 + ximage->width; 1337 for (int x = 0; x < ximage->width; x++)
1553 for (; p < pl; p++)
1554 { 1338 {
1555 *p = lookup_r[(*p & 0xff0000) >> 16] | 1339 *p = lookup_r[(*p & mask_r) >> sh_r] |
1556 lookup_g[(*p & 0x00ff00) >> 8] | 1340 lookup_g[(*p & mask_g) >> sh_g] |
1557 lookup_b[(*p & 0x0000ff)] | 1341 lookup_b[(*p & mask_b) >> sh_b];
1558 (*p & 0xff000000); 1342 p++;
1559 } 1343 }
1560 p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line); 1344 line += ximage->bytes_per_line;
1561 } 1345 }
1562 } 1346 }
1563 else 1347 else
1564 { 1348 {
1565 for (int y = 0; y < ximage->height; y++) 1349 for (int y = 0; y < ximage->height; y++)
1573 } 1357 }
1574 } 1358 }
1575 1359
1576 free (lookup); 1360 free (lookup);
1577} 1361}
1578#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1362#endif /* ENABLE_TRANSPARENCY */

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