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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.144 by sf-exg, Fri Jan 28 00:20:47 2011 UTC vs.
Revision 1.228 by sf-exg, Thu May 31 20:23:51 2012 UTC

1/*----------------------------------------------------------------------* 1/*----------------------------------------------------------------------*
2 * File: background.C - former xpm.C 2 * File: background.C - former xpm.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2005-2008 Marc Lehmann <pcg@goof.com> 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 * hscale Scale horizontally, tile vertically ?
58 * vscale Tile horizontally, scale vertically ?
59 * scale Scale both up and down
60 * auto Same as 100x100+50+50
61 */
62 40
63#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
64void 60void
65rxvt_term::bg_destroy () 61rxvt_term::bg_destroy ()
66{ 62{
67#ifdef HAVE_AFTERIMAGE 63# ifdef BG_IMAGE_FROM_FILE
68 if (original_asim) 64 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
69 safe_asimage_destroy (original_asim); 65 bg_image->destroy ();
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 int n; 198 unsigned int h = v_scale;
209 unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS)); 199 uint8_t new_flags = 0;
210 const char *ops;
211 200
212 if (geom == NULL) 201 if (geom == NULL)
213 return false; 202 return false;
214 203
215 char str[256]; 204 if (geom[0])
216
217 ops = strchr (geom, ':');
218 if (ops == NULL)
219 n = strlen (geom);
220 else
221 n = ops - geom;
222
223 if (n >= sizeof (str))
224 return false;
225
226 memcpy (str, geom, n);
227 str[n] = '\0';
228 rxvt_strtrim (str);
229
230 if (str[0])
231 {
232 /* we have geometry string - let's handle it prior to applying ops */
233 geom_flags = XParseGeometry (str, &x, &y, &w, &h);
234 } /* done parsing geometry string */
235
236 if (!update)
237 {
238 if (!(geom_flags & XValue))
239 x = y = defaultAlign;
240 else if (!(geom_flags & YValue))
241 y = x;
242
243 if (!(geom_flags & (WidthValue|HeightValue)))
244 w = h = defaultScale;
245 else if (!(geom_flags & HeightValue))
246 h = w;
247 else if (!(geom_flags & WidthValue))
248 w = h;
249
250 geom_flags |= WidthValue|HeightValue|XValue|YValue;
251 } 205 {
252
253 if (ops)
254 {
255 char **arr = rxvt_strsplit (':', ops + 1); 206 char **arr = rxvt_strsplit (':', geom);
256 207
257 for (int i = 0; arr[i]; i++) 208 for (int i = 0; arr[i]; i++)
258 { 209 {
259 if (!strcasecmp (arr[i], "tile")) 210 if (!strncasecmp (arr[i], "style=", 6))
260 { 211 {
212 parse_style (arr[i] + 6, x, y, w, h, new_flags);
213 geom_flags = WidthValue|HeightValue|XValue|YValue;
214 }
215 else if (!strcasecmp (arr[i], "op=tile"))
216 new_flags |= IM_TILE;
217 else if (!strcasecmp (arr[i], "op=keep-aspect"))
218 new_flags |= IM_KEEP_ASPECT;
219 else if (!strcasecmp (arr[i], "op=root-align"))
220 new_flags |= IM_ROOT_ALIGN;
221
222 // deprecated
223 else if (!strcasecmp (arr[i], "tile"))
224 {
225 new_flags |= IM_TILE;
261 w = h = noScale; 226 w = h = noScale;
262 geom_flags |= WidthValue|HeightValue; 227 geom_flags |= WidthValue|HeightValue;
263 } 228 }
264 else if (!strcasecmp (arr[i], "propscale")) 229 else if (!strcasecmp (arr[i], "propscale"))
265 { 230 {
266 new_flags |= BG_PROP_SCALE; 231 new_flags |= IM_KEEP_ASPECT;
232 w = h = windowScale;
233 geom_flags |= WidthValue|HeightValue;
267 } 234 }
268 else if (!strcasecmp (arr[i], "hscale")) 235 else if (!strcasecmp (arr[i], "hscale"))
269 { 236 {
237 new_flags |= IM_TILE;
270 if (w == 0) w = windowScale; 238 w = windowScale;
271
272 h = noScale; 239 h = noScale;
273 geom_flags |= WidthValue|HeightValue; 240 geom_flags |= WidthValue|HeightValue;
274 } 241 }
275 else if (!strcasecmp (arr[i], "vscale")) 242 else if (!strcasecmp (arr[i], "vscale"))
276 { 243 {
244 new_flags |= IM_TILE;
277 if (h == 0) h = windowScale; 245 h = windowScale;
278
279 w = noScale; 246 w = noScale;
280 geom_flags |= WidthValue|HeightValue; 247 geom_flags |= WidthValue|HeightValue;
281 } 248 }
282 else if (!strcasecmp (arr[i], "scale")) 249 else if (!strcasecmp (arr[i], "scale"))
283 { 250 {
284 if (h == 0) h = windowScale;
285 if (w == 0) w = windowScale; 251 w = h = windowScale;
286
287 geom_flags |= WidthValue|HeightValue; 252 geom_flags |= WidthValue|HeightValue;
288 } 253 }
289 else if (!strcasecmp (arr[i], "auto")) 254 else if (!strcasecmp (arr[i], "auto"))
290 { 255 {
291 w = h = windowScale; 256 w = h = windowScale;
292 x = y = centerAlign; 257 x = y = centerAlign;
293 geom_flags |= WidthValue|HeightValue|XValue|YValue; 258 geom_flags |= WidthValue|HeightValue|XValue|YValue;
294 } 259 }
295 else if (!strcasecmp (arr[i], "root")) 260 else if (!strcasecmp (arr[i], "root"))
296 { 261 {
297 new_flags |= BG_ROOT_ALIGN; 262 new_flags |= IM_TILE|IM_ROOT_ALIGN;
298 w = h = noScale; 263 w = h = noScale;
299 geom_flags |= WidthValue|HeightValue; 264 geom_flags |= WidthValue|HeightValue;
300 } 265 }
266
267 else
268 geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
301 } /* done parsing ops */ 269 } /* done parsing ops */
302 270
303 rxvt_free_strsplit (arr); 271 rxvt_free_strsplit (arr);
304 } 272 }
305 273
306 if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true; 274 new_flags |= flags & ~IM_GEOMETRY_FLAGS;
307 if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308 if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309 if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310 275
311 if (new_flags != bg_flags) 276 if (!update)
277 {
278 if (!(geom_flags & XValue))
279 x = y = defaultAlign;
280 else if (!(geom_flags & YValue))
281 y = x;
282
283 if (!(geom_flags & (WidthValue|HeightValue)))
284 w = h = defaultScale;
285 else if (!(geom_flags & HeightValue))
286 h = w;
287 else if (!(geom_flags & WidthValue))
288 w = h;
312 { 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 {
313 bg_flags = new_flags; 300 flags = new_flags;
301 h_scale = w;
302 v_scale = h;
303 h_align = x;
304 v_align = y;
314 changed = true; 305 changed = true;
315 } 306 }
316 307
308 if (is_size_sensitive ())
309 flags |= IM_IS_SIZE_SENSITIVE;
310 else
311 flags &= ~IM_IS_SIZE_SENSITIVE;
312
317 return changed; 313 return changed;
318} 314}
319 315
320void 316void
321rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) 317rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
322{ 318{
319 int image_width = image.width ();
320 int image_height = image.height ();
323 int target_width = szHint.width; 321 int target_width = szHint.width;
324 int target_height = szHint.height; 322 int target_height = szHint.height;
323 int h_scale = min (image.h_scale, 32767 * 100 / target_width);
324 int v_scale = min (image.v_scale, 32767 * 100 / target_height);
325 325
326 if (bg_flags & BG_PROP_SCALE) 326 w = h_scale * target_width / 100;
327 h = v_scale * target_height / 100;
328
329 if (image.flags & IM_KEEP_ASPECT)
327 { 330 {
328 float scale = (float)target_width / image_width; 331 float scale = (float)w / image_width;
329 min_it (scale, (float)target_height / image_height); 332 min_it (scale, (float)h / image_height);
330 w = image_width * scale + 0.5; 333 w = image_width * scale + 0.5;
331 h = image_height * scale + 0.5; 334 h = image_height * scale + 0.5;
332 } 335 }
333 else
334 {
335 w = h_scale * target_width / 100;
336 h = v_scale * target_height / 100;
337 }
338 336
339 if (!w) w = image_width; 337 if (!w) w = image_width;
340 if (!h) h = image_height; 338 if (!h) h = image_height;
341 339
342 if (bg_flags & BG_ROOT_ALIGN) 340 if (image.flags & IM_ROOT_ALIGN)
343 { 341 {
344 x = -target_x; 342 x = -target_x;
345 y = -target_y; 343 y = -target_y;
346 } 344 }
347 else 345 else
348 { 346 {
349 x = make_align_position (h_align, target_width, w); 347 x = make_align_position (image.h_align, target_width, w);
350 y = make_align_position (v_align, target_height, h); 348 y = make_align_position (image.v_align, target_height, h);
351 }
352
353 bg_flags &= ~BG_IS_SIZE_SENSITIVE;
354 if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
355 || (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
356 || w > target_width || h > target_height)
357 bg_flags |= BG_IS_SIZE_SENSITIVE;
358}
359
360# ifdef HAVE_AFTERIMAGE
361bool
362rxvt_term::render_image (unsigned long tr_flags)
363{
364 init_asv ();
365
366 ASImage *background = NULL;
367 ARGB32 background_tint = TINT_LEAVE_SAME;
368
369# ifdef ENABLE_TRANSPARENCY
370 if (tr_flags)
371 background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
372
373 if (tr_flags & BG_NEEDS_TINT)
374 { 349 }
375 ShadingInfo as_shade; 350}
376 as_shade.shading = shade;
377 351
378 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 352# ifdef HAVE_PIXBUF
379 if (bg_flags & BG_TINT_SET) 353bool
380 tint.get (c); 354rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
381 as_shade.tintColor.red = c.r; 355 int src_x, int src_y, int dst_x, int dst_y,
382 as_shade.tintColor.green = c.g; 356 unsigned int width, unsigned int height, bool argb)
383 as_shade.tintColor.blue = c.b; 357{
358 XImage *ximage;
359 char *line;
360 int width_r, width_g, width_b, width_a;
361 int sh_r, sh_g, sh_b, sh_a;
362 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
363 int rowstride;
364 int channels;
365 unsigned char *row;
384 366
385 background_tint = shading2tint32 (&as_shade); 367 if (visual->c_class != TrueColor)
368 return false;
369
370 if (argb)
386 } 371 {
387 372 red_mask = 0xff << 16;
388 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL) 373 green_mask = 0xff << 8;
374 blue_mask = 0xff;
375 alpha_mask = 0xff << 24;
389 { 376 }
390 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF, 377 else
391 (original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage, 378 {
392 100, ASIMAGE_QUALITY_DEFAULT); 379 red_mask = visual->red_mask;
380 green_mask = visual->green_mask;
381 blue_mask = visual->blue_mask;
382#if XRENDER
383 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
393 if (tmp) 384 if (format)
394 { 385 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
395 destroy_asimage (&background); 386 else
396 background = tmp; 387#endif
388 alpha_mask = 0;
389 }
390
391 width_r = ecb_popcount32 (red_mask);
392 width_g = ecb_popcount32 (green_mask);
393 width_b = ecb_popcount32 (blue_mask);
394 width_a = ecb_popcount32 (alpha_mask);
395
396 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
397 return false;
398
399 sh_r = ecb_ctz32 (red_mask);
400 sh_g = ecb_ctz32 (green_mask);
401 sh_b = ecb_ctz32 (blue_mask);
402 sh_a = ecb_ctz32 (alpha_mask);
403
404 if (width > 32767 || height > 32767)
405 return false;
406
407 ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
408 width, height, 32, 0);
409 if (!ximage)
410 return false;
411
412 if (height > INT_MAX / ximage->bytes_per_line
413 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
414 {
415 XDestroyImage (ximage);
416 return false;
417 }
418
419 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
420
421 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
422 channels = gdk_pixbuf_get_n_channels (pixbuf);
423 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
424 line = ximage->data;
425
426 rgba c (0, 0, 0);
427
428 if (channels == 4 && alpha_mask == 0)
429 {
430 pix_colors[Color_bg].get (c);
431 c.r >>= 8;
432 c.g >>= 8;
433 c.b >>= 8;
434 }
435
436 for (int y = 0; y < height; y++)
437 {
438 for (int x = 0; x < width; x++)
397 } 439 {
398 } 440 unsigned char *pixel = row + x * channels;
399# endif 441 uint32_t value;
442 unsigned char r, g, b, a;
400 443
401 ASImage *result = 0; 444 if (channels == 4)
445 {
446 a = pixel[3];
447 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
448 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
449 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
450 }
451 else
452 {
453 a = 0xff;
454 r = pixel[0];
455 g = pixel[1];
456 b = pixel[2];
457 }
458
459 value = ((r >> (8 - width_r)) << sh_r)
460 | ((g >> (8 - width_g)) << sh_g)
461 | ((b >> (8 - width_b)) << sh_b)
462 | ((a >> (8 - width_a)) << sh_a);
463
464 if (ximage->bits_per_pixel == 32)
465 ((uint32_t *)line)[x] = value;
466 else
467 XPutPixel (ximage, x, y, value);
468 }
469
470 row += rowstride;
471 line += ximage->bytes_per_line;
472 }
473
474 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
475 XDestroyImage (ximage);
476 return true;
477}
478
479bool
480rxvt_term::render_image (rxvt_image &image)
481{
482 GdkPixbuf *pixbuf = image.pixbuf;
483 if (!pixbuf)
484 return false;
485
486 bool need_blend = bg_flags & BG_IS_VALID;
487
488 if (need_blend
489 && !(bg_flags & BG_HAS_RENDER))
490 return false;
491
492 GdkPixbuf *result;
493
494 int image_width = gdk_pixbuf_get_width (pixbuf);
495 int image_height = gdk_pixbuf_get_height (pixbuf);
402 496
403 int target_width = szHint.width; 497 int target_width = szHint.width;
404 int target_height = szHint.height; 498 int target_height = szHint.height;
405 int new_pmap_width = target_width; 499 int new_pmap_width = target_width;
406 int new_pmap_height = target_height; 500 int new_pmap_height = target_height;
… …
408 int x = 0; 502 int x = 0;
409 int y = 0; 503 int y = 0;
410 int w = 0; 504 int w = 0;
411 int h = 0; 505 int h = 0;
412 506
413 if (original_asim) 507 get_image_geometry (image, w, h, x, y);
414 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
415 508
416 if (!original_asim 509 if (!(image.flags & IM_ROOT_ALIGN)
417 || (!(bg_flags & BG_ROOT_ALIGN)
418 && (x >= target_width 510 && (x >= target_width
419 || y >= target_height 511 || y >= target_height
420 || (x + w <= 0) 512 || x + w <= 0
421 || (y + h <= 0)))) 513 || y + h <= 0))
422 { 514 return false;
423 if (background)
424 {
425 new_pmap_width = background->width;
426 new_pmap_height = background->height;
427 result = background;
428 515
429 if (background_tint != TINT_LEAVE_SAME) 516 result = pixbuf;
430 { 517
431 ASImage *tmp = tile_asimage (asv, background, 0, 0, 518 if (w != image_width
432 target_width, target_height, background_tint, 519 || h != image_height)
433 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
434 if (tmp)
435 result = tmp;
436 }
437 }
438 else
439 new_pmap_width = new_pmap_height = 0;
440 } 520 {
521 result = gdk_pixbuf_scale_simple (pixbuf,
522 w, h,
523 GDK_INTERP_BILINEAR);
524 }
525
526 if (!result)
527 return false;
528
529 bool ret = false;
530
531 XGCValues gcv;
532 GC gc;
533 Pixmap tmp_pixmap;
534
535 image_width = gdk_pixbuf_get_width (result);
536 image_height = gdk_pixbuf_get_height (result);
537
538 if (need_blend)
539 tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
441 else 540 else
442 { 541 {
443 result = original_asim; 542 // optimise bg pixmap size when tiling, but only if there are no
444 543 // other pixbufs to render. Otherwise, the bg pixmap size must
445 if ((w != original_asim->width) 544 // be equal to the window size.
446 || (h != original_asim->height)) 545 if ((image.flags & IM_TILE)
447 { 546 && image_vec.size () == 1)
448 result = scale_asimage (asv, original_asim,
449 w, h,
450 background ? ASA_ASImage : ASA_XImage,
451 100, ASIMAGE_QUALITY_DEFAULT);
452 } 547 {
453 548 new_pmap_width = min (image_width, target_width);
454 if (background == NULL) 549 new_pmap_height = min (image_height, target_height);
455 { 550 }
456 if (h_scale == 0 || v_scale == 0)
457 {
458 /* if tiling - pixmap has to be sized exactly as the image,
459 but there is no need to make it bigger than the window! */
460 new_pmap_width = min (result->width, target_width);
461 new_pmap_height = min (result->height, target_height);
462 551
463 /* we also need to tile our image in both directions */
464 ASImage *tmp = tile_asimage (asv, result,
465 (int)result->width - x,
466 (int)result->height - y,
467 new_pmap_width,
468 new_pmap_height,
469 TINT_LEAVE_SAME, ASA_XImage,
470 100, ASIMAGE_QUALITY_DEFAULT);
471 if (tmp)
472 {
473 if (result != original_asim)
474 destroy_asimage (&result);
475
476 result = tmp;
477 }
478 }
479 }
480 else
481 {
482 /* if blending background and image - pixmap has to be sized same as target window */
483 ASImageLayer *layers = create_image_layers (2);
484
485 layers[0].im = background;
486 layers[0].clip_width = target_width;
487 layers[0].clip_height = target_height;
488 layers[0].tint = background_tint;
489 layers[1].im = result;
490
491 if (h_scale == 0 || v_scale == 0)
492 {
493 /* tile horizontally */
494 while (x > 0) x -= (int)result->width;
495 layers[1].dst_x = x;
496 layers[1].clip_width = result->width+target_width;
497 }
498 else
499 {
500 /* clip horizontally */
501 layers[1].dst_x = x;
502 layers[1].clip_width = result->width;
503 }
504
505 if (h_scale == 0 || v_scale == 0)
506 {
507 while (y > 0) y -= (int)result->height;
508 layers[1].dst_y = y;
509 layers[1].clip_height = result->height + target_height;
510 }
511 else
512 {
513 layers[1].dst_y = y;
514 layers[1].clip_height = result->height;
515 }
516
517 if (rs[Rs_blendtype])
518 {
519 layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
520 if (layers[1].merge_scanlines == NULL)
521 layers[1].merge_scanlines = alphablend_scanlines;
522 }
523
524 ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
525 ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
526
527 if (tmp)
528 {
529 if (result != original_asim)
530 destroy_asimage (&result);
531
532 result = tmp;
533 }
534
535 free (layers);
536 }
537 }
538
539 bool ret = false;
540
541 if (result)
542 {
543 XGCValues gcv;
544 GC gc;
545
546 /* create Pixmap */
547 if (bg_pixmap == None 552 if (bg_pixmap == None
548 || bg_pmap_width != new_pmap_width 553 || bg_pmap_width != new_pmap_width
549 || bg_pmap_height != new_pmap_height) 554 || bg_pmap_height != new_pmap_height)
550 { 555 {
551 if (bg_pixmap) 556 if (bg_pixmap)
552 XFreePixmap (dpy, bg_pixmap); 557 XFreePixmap (dpy, bg_pixmap);
553 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth); 558 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
554 bg_pmap_width = new_pmap_width; 559 bg_pmap_width = new_pmap_width;
555 bg_pmap_height = new_pmap_height; 560 bg_pmap_height = new_pmap_height;
556 } 561 }
557 /* fill with background color (if result's not completely overlapping it) */ 562
563 tmp_pixmap = bg_pixmap;
564 }
565
558 gcv.foreground = pix_colors[Color_bg]; 566 gcv.foreground = pix_colors[Color_bg];
559 gc = XCreateGC (dpy, vt, GCForeground, &gcv); 567 gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
560 568
561 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0; 569 if (gc)
562 int dst_width = result->width, dst_height = result->height; 570 {
563 if (background == NULL) 571 if (image.flags & IM_TILE)
564 {
565 if (!(h_scale == 0 || v_scale == 0))
566 {
567 src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
568 src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
569 }
570
571 if (dst_x > 0 || dst_y > 0
572 || dst_x + dst_width < new_pmap_width
573 || dst_y + dst_height < new_pmap_height)
574 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
575 } 572 {
576
577 /* put result on pixmap */
578 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
579 asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
580
581 if (result != background && result != original_asim)
582 destroy_asimage (&result);
583
584 XFreeGC (dpy, gc);
585
586 ret = true;
587 }
588
589 if (background)
590 destroy_asimage (&background);
591
592 return ret;
593}
594# endif /* HAVE_AFTERIMAGE */
595
596# ifdef HAVE_PIXBUF
597bool
598rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
599 int src_x, int src_y, int dst_x, int dst_y,
600 unsigned int width, unsigned int height)
601{
602 XImage *ximage;
603 char *data, *line;
604 int bytes_per_pixel;
605 int width_r, width_g, width_b;
606 int sh_r, sh_g, sh_b;
607 int rowstride;
608 int channels;
609 unsigned char *row;
610
611 if (visual->c_class != TrueColor)
612 return false;
613
614 if (depth == 24 || depth == 32)
615 bytes_per_pixel = 4;
616 else if (depth == 15 || depth == 16)
617 bytes_per_pixel = 2;
618 else
619 return false;
620
621 width_r = rxvt_popcount (visual->red_mask);
622 width_g = rxvt_popcount (visual->green_mask);
623 width_b = rxvt_popcount (visual->blue_mask);
624
625 if (width_r > 8 || width_g > 8 || width_b > 8)
626 return false;
627
628 sh_r = rxvt_ctz (visual->red_mask);
629 sh_g = rxvt_ctz (visual->green_mask);
630 sh_b = rxvt_ctz (visual->blue_mask);
631
632 if (width > INT_MAX / height / bytes_per_pixel)
633 return false;
634
635 data = (char *)malloc (width * height * bytes_per_pixel);
636 if (!data)
637 return false;
638
639 ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
640 width, height, bytes_per_pixel * 8, 0);
641 if (!ximage)
642 {
643 free (data);
644 return false;
645 }
646
647 ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
648
649 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
650 channels = gdk_pixbuf_get_n_channels (pixbuf);
651 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
652 line = data;
653
654 for (int y = 0; y < height; y++)
655 {
656 for (int x = 0; x < width; x++)
657 {
658 unsigned char *pixel = row + x * channels;
659 uint32_t value;
660
661 value = ((pixel[0] >> (8 - width_r)) << sh_r)
662 | ((pixel[1] >> (8 - width_g)) << sh_g)
663 | ((pixel[2] >> (8 - width_b)) << sh_b);
664
665 if (bytes_per_pixel == 4)
666 ((uint32_t *)line)[x] = value;
667 else
668 ((uint16_t *)line)[x] = value;
669 }
670
671 row += rowstride;
672 line += ximage->bytes_per_line;
673 }
674
675 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
676 XDestroyImage (ximage);
677 return true;
678}
679
680bool
681rxvt_term::render_image (unsigned long tr_flags)
682{
683 if (!pixbuf)
684 return false;
685
686 if (tr_flags
687 && !(bg_flags & BG_HAS_RENDER))
688 return false;
689
690 GdkPixbuf *result;
691
692 int image_width = gdk_pixbuf_get_width (pixbuf);
693 int image_height = gdk_pixbuf_get_height (pixbuf);
694
695 int target_width = szHint.width;
696 int target_height = szHint.height;
697 int new_pmap_width = target_width;
698 int new_pmap_height = target_height;
699
700 int x = 0;
701 int y = 0;
702 int w = 0;
703 int h = 0;
704
705 get_image_geometry (image_width, image_height, w, h, x, y);
706
707 if (!(bg_flags & BG_ROOT_ALIGN)
708 && (x >= target_width
709 || y >= target_height
710 || (x + w <= 0)
711 || (y + h <= 0)))
712 return false;
713
714 result = pixbuf;
715
716 if ((w != image_width)
717 || (h != image_height))
718 {
719 result = gdk_pixbuf_scale_simple (pixbuf,
720 w, h,
721 GDK_INTERP_BILINEAR);
722 }
723
724 bool ret = false;
725
726 if (result)
727 {
728 XGCValues gcv;
729 GC gc;
730 Pixmap root_pmap;
731
732 image_width = gdk_pixbuf_get_width (result);
733 image_height = gdk_pixbuf_get_height (result);
734
735 if (tr_flags)
736 {
737 root_pmap = bg_pixmap;
738 bg_pixmap = None;
739 }
740 else
741 {
742 if (h_scale == 0 || v_scale == 0)
743 {
744 new_pmap_width = min (image_width, target_width);
745 new_pmap_height = min (image_height, target_height);
746 }
747 }
748
749 if (bg_pixmap == None
750 || bg_pmap_width != new_pmap_width
751 || bg_pmap_height != new_pmap_height)
752 {
753 if (bg_pixmap)
754 XFreePixmap (dpy, bg_pixmap);
755 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756 bg_pmap_width = new_pmap_width;
757 bg_pmap_height = new_pmap_height;
758 }
759
760 gcv.foreground = pix_colors[Color_bg];
761 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
762
763 if (h_scale == 0 || v_scale == 0)
764 {
765 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth); 573 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
766 pixbuf_to_pixmap (result, tile, gc, 574 pixbuf_to_pixmap (result, tile, gc,
767 0, 0, 575 0, 0,
768 0, 0, 576 0, 0,
769 image_width, image_height); 577 image_width, image_height, need_blend);
770 578
771 gcv.tile = tile; 579 gcv.tile = tile;
772 gcv.fill_style = FillTiled; 580 gcv.fill_style = FillTiled;
773 gcv.ts_x_origin = x; 581 gcv.ts_x_origin = x;
774 gcv.ts_y_origin = y; 582 gcv.ts_y_origin = y;
775 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 583 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
776 584
777 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); 585 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
778 XFreePixmap (dpy, tile); 586 XFreePixmap (dpy, tile);
779 } 587 }
780 else 588 else
781 { 589 {
782 int src_x, src_y, dst_x, dst_y; 590 int src_x, src_y, dst_x, dst_y;
… …
786 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height); 594 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
787 595
788 if (dst_x > 0 || dst_y > 0 596 if (dst_x > 0 || dst_y > 0
789 || dst_x + dst_width < new_pmap_width 597 || dst_x + dst_width < new_pmap_width
790 || dst_y + dst_height < new_pmap_height) 598 || dst_y + dst_height < new_pmap_height)
791 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height); 599 XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
792 600
793 if (dst_x < new_pmap_width && dst_y < new_pmap_height) 601 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
794 pixbuf_to_pixmap (result, bg_pixmap, gc, 602 pixbuf_to_pixmap (result, tmp_pixmap, gc,
795 src_x, src_y, 603 src_x, src_y,
796 dst_x, dst_y, 604 dst_x, dst_y,
797 dst_width, dst_height); 605 dst_width, dst_height, need_blend);
798 } 606 }
607
608 if (image.need_blur ())
609 blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
610 if (image.need_tint ())
611 tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
799 612
800#if XRENDER 613#if XRENDER
801 if (tr_flags) 614 if (need_blend)
802 { 615 {
803 XRenderPictureAttributes pa; 616 XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
804
805 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); 617 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
618
806 Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); 619 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
807 620
808 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); 621 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810 622
811 pa.repeat = True; 623 Picture mask = create_xrender_mask (dpy, vt, False, False);
812 Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
813 XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
814 Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
815 XFreePixmap (dpy, mask_pmap);
816 624
817 if (src && dst && mask)
818 {
819 XRenderColor mask_c; 625 XRenderColor mask_c;
820 626
821 mask_c.alpha = 0x8000; 627 mask_c.alpha = image.alpha;
822 mask_c.red = 0; 628 mask_c.red =
823 mask_c.green = 0; 629 mask_c.green =
824 mask_c.blue = 0; 630 mask_c.blue = 0;
825 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 631 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
632
826 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height); 633 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827 }
828 634
829 XRenderFreePicture (dpy, src); 635 XRenderFreePicture (dpy, src);
830 XRenderFreePicture (dpy, dst); 636 XRenderFreePicture (dpy, dst);
831 XRenderFreePicture (dpy, mask); 637 XRenderFreePicture (dpy, mask);
832
833 XFreePixmap (dpy, root_pmap);
834 } 638 }
835#endif 639#endif
836 640
837 if (result != pixbuf)
838 g_object_unref (result);
839
840 XFreeGC (dpy, gc); 641 XFreeGC (dpy, gc);
841 642
842 ret = true; 643 ret = true;
843 } 644 }
844 645
646 if (result != pixbuf)
647 g_object_unref (result);
648
649 if (need_blend)
650 XFreePixmap (dpy, tmp_pixmap);
651
845 return ret; 652 return ret;
846} 653}
847# endif /* HAVE_PIXBUF */ 654# endif /* HAVE_PIXBUF */
848 655
656# ifndef NO_RESOURCES
657static int
658rxvt_define_image (XrmDatabase *database ecb_unused,
659 XrmBindingList bindings ecb_unused,
660 XrmQuarkList quarks,
661 XrmRepresentation *type ecb_unused,
662 XrmValue *value,
663 XPointer closure ecb_unused)
664{
665 int size;
666
667 for (size = 0; quarks[size] != NULLQUARK; size++)
668 ;
669
670 if (size >= 2)
671 {
672 int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
673 if (id >= 1)
674 GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
675 }
676 return False;
677}
678
679void
680rxvt_term::parse_image (int id, const char *type, const char *arg)
681{
682 if (image_vec.size () < id + 1)
683 image_vec.resize (id + 1);
684
685 rxvt_image *image = &image_vec[id];
686}
687# endif
688
689rxvt_image::rxvt_image ()
690{
691 alpha = 0xffff;
692 flags = 0;
693 h_scale =
694 v_scale = defaultScale;
695 h_align =
696 v_align = defaultAlign;
697
698# ifdef HAVE_PIXBUF
699 pixbuf = 0;
700# endif
701}
702
849bool 703bool
850rxvt_term::bg_set_file (const char *file) 704rxvt_image::set_file_geometry (const char *file)
851{ 705{
852 if (!file || !*file) 706 if (!file || !*file)
853 return false; 707 return false;
854 708
855 if (const char *p = strchr (file, ';')) 709 const char *p = strchr (file, ';');
710
711 if (p)
856 { 712 {
857 size_t len = p - file; 713 size_t len = p - file;
858 char *f = rxvt_temp_buf<char> (len + 1); 714 char *f = rxvt_temp_buf<char> (len + 1);
859 memcpy (f, file, len); 715 memcpy (f, file, len);
860 f[len] = '\0'; 716 f[len] = '\0';
861 file = f; 717 file = f;
862 } 718 }
863 719
864# ifdef HAVE_AFTERIMAGE 720 bool ret = set_file (file);
865 if (!asimman) 721 alpha = 0x8000;
866 asimman = create_generic_imageman (rs[Rs_path]); 722 if (ret)
867 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100); 723 set_geometry (p ? p + 1 : "");
868 if (image) 724 return ret;
869 { 725}
870 if (original_asim) 726
871 safe_asimage_destroy (original_asim); 727bool
872 original_asim = image; 728rxvt_image::set_file (const char *file)
873 bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER; 729{
874 return true; 730 bool ret = false;
875 }
876# endif
877 731
878# ifdef HAVE_PIXBUF 732# ifdef HAVE_PIXBUF
879 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 733 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
880 if (image) 734 if (image)
881 { 735 {
882 if (pixbuf) 736 if (pixbuf)
883 g_object_unref (pixbuf); 737 g_object_unref (pixbuf);
884 pixbuf = image; 738 pixbuf = image;
885 bg_flags |= BG_IS_FROM_FILE;
886 return true; 739 ret = true;
887 } 740 }
888# endif 741# endif
889 742
743 if (ret)
744 flags |= IM_IS_SET;
745
890 return false; 746 return ret;
891} 747}
892 748
893# endif /* BG_IMAGE_FROM_FILE */ 749# endif /* BG_IMAGE_FROM_FILE */
894 750
895# ifdef ENABLE_TRANSPARENCY
896bool 751bool
897rxvt_term::bg_set_transparent () 752image_effects::set_blur (const char *geom)
898{
899 if (!(bg_flags & BG_IS_TRANSPARENT))
900 {
901 bg_flags |= BG_IS_TRANSPARENT;
902 return true;
903 }
904
905 return false;
906}
907
908bool
909rxvt_term::bg_set_blur (const char *geom)
910{ 753{
911 bool changed = false; 754 bool changed = false;
912 unsigned int hr, vr; 755 unsigned int hr, vr;
913 int junk; 756 int junk;
914 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr); 757 int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
… …
931 { 774 {
932 changed = true; 775 changed = true;
933 v_blurRadius = vr; 776 v_blurRadius = vr;
934 } 777 }
935 778
936 if (v_blurRadius == 0 && h_blurRadius == 0)
937 bg_flags &= ~BG_NEEDS_BLUR;
938 else
939 bg_flags |= BG_NEEDS_BLUR;
940
941 return changed; 779 return changed;
942} 780}
943 781
944static inline unsigned long 782bool
945compute_tint_shade_flags (rxvt_color *tint, int shade) 783image_effects::set_tint (const rxvt_color &new_tint)
946{ 784{
947 unsigned long flags = 0; 785 if (!tint_set || tint != new_tint)
948 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
949 bool has_shade = shade != 100;
950
951 if (tint)
952 {
953 tint->get (c);
954 if (!has_shade
955 && (c.r <= 0x00ff || c.r >= 0xff00)
956 && (c.g <= 0x00ff || c.g >= 0xff00)
957 && (c.b <= 0x00ff || c.b >= 0xff00))
958 flags |= rxvt_term::BG_TINT_BITAND;
959 } 786 {
960
961 if (has_shade || tint)
962 flags |= rxvt_term::BG_NEEDS_TINT;
963
964 return flags;
965}
966
967bool
968rxvt_term::bg_set_tint (rxvt_color &new_tint)
969{
970 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
971 {
972 unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
973 tint = new_tint; 787 tint = new_tint;
974 bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET; 788 tint_set = true;
789
975 return true; 790 return true;
976 } 791 }
977 792
978 return false; 793 return false;
979} 794}
980 795
981bool 796bool
982rxvt_term::bg_set_shade (const char *shade_str) 797image_effects::set_shade (const char *shade_str)
983{ 798{
984 int new_shade = (shade_str) ? atoi (shade_str) : 100; 799 int new_shade = atoi (shade_str);
985 800
986 clamp_it (new_shade, -100, 200); 801 clamp_it (new_shade, -100, 200);
987 if (new_shade < 0) 802 if (new_shade < 0)
988 new_shade = 200 - (100 + new_shade); 803 new_shade = 200 - (100 + new_shade);
989 804
990 if (new_shade != shade) 805 if (new_shade != shade)
991 { 806 {
992 unsigned long new_flags = compute_tint_shade_flags ((bg_flags & BG_TINT_SET) ? &tint : NULL, new_shade);
993 shade = new_shade; 807 shade = new_shade;
994 bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
995 return true; 808 return true;
996 } 809 }
997 810
998 return false; 811 return false;
999} 812}
… …
1020 params[i+2] = XDoubleToFixed (kernel[i] / sum); 833 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1021} 834}
1022#endif 835#endif
1023 836
1024bool 837bool
1025rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 838rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1026{ 839{
1027 bool ret = false; 840 bool ret = false;
1028#if XRENDER 841#if XRENDER
842 if (!(bg_flags & BG_HAS_RENDER_CONV))
843 return false;
844
1029 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 845 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1030 double *kernel = (double *)malloc (size * sizeof (double)); 846 double *kernel = (double *)malloc (size * sizeof (double));
1031 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 847 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1032 848
1033 XRenderPictureAttributes pa; 849 XRenderPictureAttributes pa;
1034 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 850 XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
851 : XRenderFindVisualFormat (dpy, visual);
1035 852
853 pa.repeat = RepeatPad;
1036 Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 854 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
855 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1037 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 856 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
857 XFreePixmap (dpy, tmp);
1038 858
1039 if (kernel && params && src && dst) 859 if (kernel && params)
1040 { 860 {
1041 if (h_blurRadius)
1042 {
1043 size = h_blurRadius * 2 + 1; 861 size = h_blurRadius * 2 + 1;
1044 get_gaussian_kernel (h_blurRadius, size, kernel, params); 862 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1045 863
1046 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 864 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1047 XRenderComposite (dpy, 865 XRenderComposite (dpy,
1048 PictOpSrc, 866 PictOpSrc,
1049 src, 867 src,
1050 None, 868 None,
1051 dst, 869 dst,
1052 0, 0, 870 0, 0,
1053 0, 0, 871 0, 0,
1054 0, 0, 872 0, 0,
1055 width, height); 873 width, height);
1056 }
1057 874
1058 if (v_blurRadius) 875 ::swap (src, dst);
1059 { 876
1060 size = v_blurRadius * 2 + 1; 877 size = v_blurRadius * 2 + 1;
1061 get_gaussian_kernel (v_blurRadius, size, kernel, params); 878 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1062 ::swap (params[0], params[1]); 879 ::swap (params[0], params[1]);
1063 880
1064 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 881 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1065 XRenderComposite (dpy, 882 XRenderComposite (dpy,
1066 PictOpSrc, 883 PictOpSrc,
1067 src, 884 src,
1068 None, 885 None,
1069 dst, 886 dst,
1070 0, 0, 887 0, 0,
1071 0, 0, 888 0, 0,
1072 0, 0, 889 0, 0,
1073 width, height); 890 width, height);
1074 }
1075 891
1076 ret = true; 892 ret = true;
1077 } 893 }
1078 894
1079 free (kernel); 895 free (kernel);
… …
1083#endif 899#endif
1084 return ret; 900 return ret;
1085} 901}
1086 902
1087bool 903bool
1088rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 904rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1089{ 905{
1090 bool ret = false; 906 bool ret = false;
1091 907
1092 if (bg_flags & BG_TINT_BITAND) 908 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
909
910 if (tint_set)
911 tint.get (c);
912
913 if (shade == 100
914 && (c.r <= 0x00ff || c.r >= 0xff00)
915 && (c.g <= 0x00ff || c.g >= 0xff00)
916 && (c.b <= 0x00ff || c.b >= 0xff00))
1093 { 917 {
1094 XGCValues gcv; 918 XGCValues gcv;
1095 GC gc; 919 GC gc;
1096 920
1097 /* In this case we can tint image server-side getting significant 921 /* In this case we can tint image server-side getting significant
… …
1106 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 930 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1107 ret = true; 931 ret = true;
1108 XFreeGC (dpy, gc); 932 XFreeGC (dpy, gc);
1109 } 933 }
1110 } 934 }
1111 else
1112 {
1113# if XRENDER 935# if XRENDER
1114 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 936 else if (bg_flags & BG_HAS_RENDER)
1115 937 {
1116 if (bg_flags & BG_TINT_SET)
1117 tint.get (c);
1118
1119 if (shade <= 100) 938 if (shade <= 100)
1120 { 939 {
1121 c.r = (c.r * shade) / 100; 940 c.r = c.r * shade / 100;
1122 c.g = (c.g * shade) / 100; 941 c.g = c.g * shade / 100;
1123 c.b = (c.b * shade) / 100; 942 c.b = c.b * shade / 100;
1124 } 943 }
1125 else 944 else
1126 { 945 {
1127 c.r = (c.r * (200 - shade)) / 100; 946 c.r = c.r * (200 - shade) / 100;
1128 c.g = (c.g * (200 - shade)) / 100; 947 c.g = c.g * (200 - shade) / 100;
1129 c.b = (c.b * (200 - shade)) / 100; 948 c.b = c.b * (200 - shade) / 100;
1130 } 949 }
1131 950
1132 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32); 951 XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1133 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 952 : XRenderFindVisualFormat (dpy, visual);
1134 XRenderPictureAttributes pa;
1135 953
1136 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 954 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1137 955
1138 pa.repeat = True; 956 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1139 957
1140 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 958 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1141 Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1142 XFreePixmap (dpy, overlay_pmap);
1143 959
1144 pa.component_alpha = True;
1145 Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1146 Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1147 XFreePixmap (dpy, mask_pmap);
1148
1149 if (mask_pic && overlay_pic && back_pic)
1150 {
1151 XRenderColor mask_c; 960 XRenderColor mask_c;
1152 961
1153 mask_c.red = mask_c.green = mask_c.blue = 0;
1154 mask_c.alpha = 0xffff; 962 mask_c.alpha = 0xffff;
963 mask_c.red =
964 mask_c.green =
965 mask_c.blue = 0;
966 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
967
968 mask_c.alpha = 0;
969 mask_c.red = 0xffff - c.r;
970 mask_c.green = 0xffff - c.g;
971 mask_c.blue = 0xffff - c.b;
972 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
973
974 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
975
976 if (shade > 100)
977 {
978 mask_c.alpha = 0;
979 mask_c.red =
980 mask_c.green =
981 mask_c.blue = 0xffff * (shade - 100) / 100;
1155 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 982 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1156 983
1157 mask_c.alpha = 0;
1158 mask_c.red = 0xffff - c.r;
1159 mask_c.green = 0xffff - c.g;
1160 mask_c.blue = 0xffff - c.b;
1161 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1162 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1163
1164 if (shade > 100)
1165 {
1166 mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1167 mask_c.alpha = 0;
1168 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1169
1170 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height); 984 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1171 } 985 }
1172 986
1173 ret = true; 987 ret = true;
1174 }
1175 988
1176 XRenderFreePicture (dpy, mask_pic); 989 XRenderFreePicture (dpy, mask_pic);
1177 XRenderFreePicture (dpy, overlay_pic); 990 XRenderFreePicture (dpy, overlay_pic);
1178 XRenderFreePicture (dpy, back_pic); 991 XRenderFreePicture (dpy, back_pic);
992 }
1179# endif 993# endif
1180 }
1181 994
1182 return ret; 995 return ret;
1183} 996}
1184 997
1185/* make_transparency_pixmap() 998# ifdef ENABLE_TRANSPARENCY
999/*
1186 * Builds a pixmap of the same size as the terminal window that contains 1000 * Builds a pixmap of the same size as the terminal window that contains
1187 * the tiled portion of the root pixmap that is supposed to be covered by 1001 * the tiled portion of the root pixmap that is supposed to be covered by
1188 * our window. 1002 * our window.
1189 */ 1003 */
1190unsigned long 1004bool
1191rxvt_term::make_transparency_pixmap () 1005rxvt_term::render_root_image ()
1192{ 1006{
1193 unsigned long result = 0; 1007 bool ret = false;
1194 1008
1195 /* root dimensions may change from call to call - but Display structure should 1009 /* root dimensions may change from call to call - but Display structure should
1196 * be always up-to-date, so let's use it : 1010 * be always up-to-date, so let's use it :
1197 */ 1011 */
1198 int screen = display->screen; 1012 int screen = display->screen;
… …
1234 if (root_pixmap != None && root_depth != depth) 1048 if (root_pixmap != None && root_depth != depth)
1235 { 1049 {
1236#if XRENDER 1050#if XRENDER
1237 if (bg_flags & BG_HAS_RENDER) 1051 if (bg_flags & BG_HAS_RENDER)
1238 { 1052 {
1239 XRenderPictureAttributes pa; 1053 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1240 1054
1241 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 1055 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1242 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 1056 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1243 1057
1244 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1245 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 1058 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1246 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 1059 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1247 1060
1248 if (src && dst)
1249 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 1061 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1250 else
1251 {
1252 XFreePixmap (dpy, recoded_root_pmap);
1253 root_pixmap = None;
1254 }
1255 1062
1256 XRenderFreePicture (dpy, src); 1063 XRenderFreePicture (dpy, src);
1257 XRenderFreePicture (dpy, dst); 1064 XRenderFreePicture (dpy, dst);
1258 } 1065 }
1259 else 1066 else
1260#endif 1067#endif
1261 root_pixmap = None; 1068 recoded_root_pmap = None;
1262 } 1069 }
1263 1070
1264 if (root_pixmap == None) 1071 if (recoded_root_pmap == None)
1265 return 0; 1072 return 0;
1266 1073
1267 if (bg_pixmap == None 1074 if (bg_pixmap == None
1268 || bg_pmap_width != window_width 1075 || bg_pmap_width != window_width
1269 || bg_pmap_height != window_height) 1076 || bg_pmap_height != window_height)
… …
1273 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth); 1080 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1274 bg_pmap_width = window_width; 1081 bg_pmap_width = window_width;
1275 bg_pmap_height = window_height; 1082 bg_pmap_height = window_height;
1276 } 1083 }
1277 1084
1278 if (bg_pixmap == None)
1279 return 0;
1280
1281 /* straightforward pixmap copy */ 1085 /* straightforward pixmap copy */
1282 while (sx < 0) sx += (int)root_width; 1086 while (sx < 0) sx += root_pmap_width;
1283 while (sy < 0) sy += (int)root_height; 1087 while (sy < 0) sy += root_pmap_height;
1284 1088
1285 gcv.tile = recoded_root_pmap; 1089 gcv.tile = recoded_root_pmap;
1286 gcv.fill_style = FillTiled; 1090 gcv.fill_style = FillTiled;
1287 gcv.ts_x_origin = -sx; 1091 gcv.ts_x_origin = -sx;
1288 gcv.ts_y_origin = -sy; 1092 gcv.ts_y_origin = -sy;
1289 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1093 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1290 1094
1291 if (gc) 1095 if (gc)
1292 { 1096 {
1293 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1097 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1294 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1098 ret = true;
1099 bool need_blur = root_effects.need_blur ();
1100 bool need_tint = root_effects.need_tint ();
1101
1102 if (need_blur)
1103 {
1104 if (blur_pixmap (bg_pixmap, window_width, window_height, false,
1105 root_effects.h_blurRadius, root_effects.v_blurRadius))
1106 need_blur = false;
1107 }
1108 if (need_tint)
1109 {
1110 if (tint_pixmap (bg_pixmap, window_width, window_height, false,
1111 root_effects.tint, root_effects.tint_set, root_effects.shade))
1112 need_tint = false;
1113 }
1114 if (need_tint)
1115 {
1116 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1117 if (ximage)
1118 {
1119 /* our own client-side tinting */
1120 tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
1121
1122 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1123 XDestroyImage (ximage);
1124 }
1125 }
1126
1295 XFreeGC (dpy, gc); 1127 XFreeGC (dpy, gc);
1296
1297 if (!(bg_flags & BG_CLIENT_RENDER))
1298 {
1299 if ((bg_flags & BG_NEEDS_BLUR)
1300 && (bg_flags & BG_HAS_RENDER_CONV))
1301 {
1302 if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1303 result &= ~BG_NEEDS_BLUR;
1304 }
1305 if ((bg_flags & BG_NEEDS_TINT)
1306 && (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1307 {
1308 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1309 result &= ~BG_NEEDS_TINT;
1310 }
1311 } /* server side rendering completed */
1312 } 1128 }
1313 1129
1314 if (recoded_root_pmap != root_pixmap) 1130 if (recoded_root_pmap != root_pixmap)
1315 XFreePixmap (dpy, recoded_root_pmap); 1131 XFreePixmap (dpy, recoded_root_pmap);
1316 1132
1317 return result; 1133 return ret;
1318} 1134}
1319 1135
1320void 1136void
1321rxvt_term::bg_set_root_pixmap () 1137rxvt_term::bg_set_root_pixmap ()
1322{ 1138{
… …
1326 1142
1327 root_pixmap = new_root_pixmap; 1143 root_pixmap = new_root_pixmap;
1328} 1144}
1329# endif /* ENABLE_TRANSPARENCY */ 1145# endif /* ENABLE_TRANSPARENCY */
1330 1146
1331#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1332static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1333# endif
1334
1335bool 1147bool
1336rxvt_term::bg_render () 1148rxvt_term::bg_render ()
1337{ 1149{
1338 unsigned long tr_flags = 0;
1339
1340 bg_invalidate (); 1150 bg_invalidate ();
1341# ifdef ENABLE_TRANSPARENCY 1151# ifdef ENABLE_TRANSPARENCY
1342 if (bg_flags & BG_IS_TRANSPARENT) 1152 if (bg_flags & BG_IS_TRANSPARENT)
1343 { 1153 {
1344 /* we need to re-generate transparency pixmap in that case ! */ 1154 /* we need to re-generate transparency pixmap in that case ! */
1345 tr_flags = make_transparency_pixmap (); 1155 if (render_root_image ())
1346 if (tr_flags == 0)
1347 return false;
1348 else if (!(tr_flags & BG_EFFECTS_FLAGS))
1349 bg_flags |= BG_IS_VALID; 1156 bg_flags |= BG_IS_VALID;
1350 } 1157 }
1351# endif 1158# endif
1352 1159
1353# ifdef BG_IMAGE_FROM_FILE 1160# ifdef BG_IMAGE_FROM_FILE
1354 if ((bg_flags & BG_IS_FROM_FILE) 1161 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1355 || (tr_flags & BG_EFFECTS_FLAGS))
1356 { 1162 {
1357 if (render_image (tr_flags)) 1163 if (render_image (*bg_image))
1358 bg_flags |= BG_IS_VALID; 1164 bg_flags |= BG_IS_VALID;
1359 }
1360# endif
1361
1362# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1363 XImage *result = NULL;
1364
1365 if (tr_flags && !(bg_flags & BG_IS_VALID))
1366 {
1367 result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1368 }
1369
1370 if (result)
1371 {
1372 /* our own client-side tinting */
1373 if (tr_flags & BG_NEEDS_TINT)
1374 {
1375 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1376 if (bg_flags & BG_TINT_SET)
1377 tint.get (c);
1378 shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1379 }
1380
1381 GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1382
1383 if (gc)
1384 {
1385 XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1386
1387 XFreeGC (dpy, gc);
1388 bg_flags |= BG_IS_VALID;
1389 }
1390
1391 XDestroyImage (result);
1392 } 1165 }
1393# endif 1166# endif
1394 1167
1395 if (!(bg_flags & BG_IS_VALID)) 1168 if (!(bg_flags & BG_IS_VALID))
1396 { 1169 {
… …
1410} 1183}
1411 1184
1412void 1185void
1413rxvt_term::bg_init () 1186rxvt_term::bg_init ()
1414{ 1187{
1415#ifdef ENABLE_TRANSPARENCY
1416 shade = 100;
1417#endif
1418
1419 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV); 1188 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1420#if XRENDER 1189#if XRENDER
1421 int major, minor; 1190 int major, minor;
1422 if (XRenderQueryVersion (dpy, &major, &minor)) 1191 if (XRenderQueryVersion (dpy, &major, &minor))
1423 bg_flags |= BG_HAS_RENDER; 1192 bg_flags |= BG_HAS_RENDER;
… …
1429 bg_flags |= BG_HAS_RENDER_CONV; 1198 bg_flags |= BG_HAS_RENDER_CONV;
1430 1199
1431 XFree (filters); 1200 XFree (filters);
1432 } 1201 }
1433#endif 1202#endif
1434}
1435 1203
1436#endif /* HAVE_BG_PIXMAP */ 1204#ifdef BG_IMAGE_FROM_FILE
1205 if (rs[Rs_backgroundPixmap])
1206 {
1207 rxvt_image *image = new_image ();
1208 if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
1209 image_vec.pop_back ();
1210 }
1437 1211
1438#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1212# ifndef NO_RESOURCES
1213 find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
1214 vector<rxvt_image>::iterator bg_image = image_vec.begin ();
1215 while (bg_image != image_vec.end ())
1216 {
1217 if (!(bg_image->flags & IM_IS_SET))
1218 bg_image = image_vec.erase (bg_image);
1219 else
1220 {
1221 if (bg_image->is_size_sensitive ())
1222 bg_image->flags |= IM_IS_SIZE_SENSITIVE;
1223
1224 bg_image++;
1225 }
1226 }
1227# endif
1228
1229 if (image_vec.size () > 0
1230 && !bg_window_position_sensitive ())
1231 update_background ();
1232#endif
1233}
1234
1439/* taken from aterm-0.4.2 */ 1235/* based on code from aterm-0.4.2 */
1440 1236
1441static void 1237static inline void
1442shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c) 1238fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1443{ 1239{
1240 for (int i = 0; i <= mask >> sh; i++)
1241 {
1242 uint32_t tmp;
1243 tmp = i * high;
1244 tmp += (mask >> sh) * low;
1245 lookup[i] = (tmp / 0xffff) << sh;
1246 }
1247}
1248
1249void
1250rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1251{
1252 unsigned int size_r, size_g, size_b;
1444 int sh_r, sh_g, sh_b; 1253 int sh_r, sh_g, sh_b;
1445 uint32_t mask_r, mask_g, mask_b; 1254 uint32_t mask_r, mask_g, mask_b;
1446 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1255 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1447 rgba low; 1256 unsigned short low;
1448 rgba high;
1449 int i;
1450 int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst; 1257 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1451 1258
1452 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1259 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1453 1260
1454 /* for convenience */ 1261 /* for convenience */
1455 mask_r = visual->red_mask; 1262 mask_r = visual->red_mask;
1456 mask_g = visual->green_mask; 1263 mask_g = visual->green_mask;
1457 mask_b = visual->blue_mask; 1264 mask_b = visual->blue_mask;
1458 1265
1459 /* boring lookup table pre-initialization */ 1266 /* boring lookup table pre-initialization */
1460 switch (ximage->depth) 1267 sh_r = ecb_ctz32 (mask_r);
1461 { 1268 sh_g = ecb_ctz32 (mask_g);
1462 case 15: 1269 sh_b = ecb_ctz32 (mask_b);
1463 if ((mask_r != 0x7c00) || 1270
1464 (mask_g != 0x03e0) || 1271 size_r = mask_r >> sh_r;
1465 (mask_b != 0x001f)) 1272 size_g = mask_g >> sh_g;
1273 size_b = mask_b >> sh_b;
1274
1275 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1466 return; 1276 return;
1467 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32)); 1277
1278 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1468 lookup_r = lookup; 1279 lookup_r = lookup;
1469 lookup_g = lookup+32; 1280 lookup_g = lookup + size_r;
1470 lookup_b = lookup+32+32; 1281 lookup_b = lookup + size_r + size_g;
1471 sh_r = 10; 1282
1472 sh_g = 5; 1283 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1473 sh_b = 0; 1284
1474 break; 1285 if (tint_set)
1475 case 16: 1286 tint.get (c);
1476 if ((mask_r != 0xf800) ||
1477 (mask_g != 0x07e0) ||
1478 (mask_b != 0x001f))
1479 return;
1480 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1481 lookup_r = lookup;
1482 lookup_g = lookup+32;
1483 lookup_b = lookup+32+64;
1484 sh_r = 11;
1485 sh_g = 5;
1486 sh_b = 0;
1487 break;
1488 case 24:
1489 if ((mask_r != 0xff0000) ||
1490 (mask_g != 0x00ff00) ||
1491 (mask_b != 0x0000ff))
1492 return;
1493 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1494 lookup_r = lookup;
1495 lookup_g = lookup+256;
1496 lookup_b = lookup+256+256;
1497 sh_r = 16;
1498 sh_g = 8;
1499 sh_b = 0;
1500 break;
1501 case 32:
1502 if ((mask_r != 0xff0000) ||
1503 (mask_g != 0x00ff00) ||
1504 (mask_b != 0x0000ff))
1505 return;
1506 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1507 lookup_r = lookup;
1508 lookup_g = lookup+256;
1509 lookup_b = lookup+256+256;
1510 sh_r = 16;
1511 sh_g = 8;
1512 sh_b = 0;
1513 break;
1514 default:
1515 return; /* we do not support this color depth */
1516 }
1517 1287
1518 /* prepare limits for color transformation (each channel is handled separately) */ 1288 /* prepare limits for color transformation (each channel is handled separately) */
1519 if (shade > 100) 1289 if (shade > 100)
1520 { 1290 {
1521 shade = 200 - shade;
1522
1523 high.r = c.r * shade / 100;
1524 high.g = c.g * shade / 100;
1525 high.b = c.b * shade / 100;
1526
1527 low.r = 65535 * (100 - shade) / 100; 1291 c.r = c.r * (200 - shade) / 100;
1528 low.g = 65535 * (100 - shade) / 100; 1292 c.g = c.g * (200 - shade) / 100;
1529 low.b = 65535 * (100 - shade) / 100; 1293 c.b = c.b * (200 - shade) / 100;
1294
1295 low = 0xffff * (shade - 100) / 100;
1530 } 1296 }
1531 else 1297 else
1532 { 1298 {
1533 high.r = c.r * shade / 100; 1299 c.r = c.r * shade / 100;
1534 high.g = c.g * shade / 100; 1300 c.g = c.g * shade / 100;
1535 high.b = c.b * shade / 100; 1301 c.b = c.b * shade / 100;
1536 1302
1537 low.r = low.g = low.b = 0; 1303 low = 0;
1538 } 1304 }
1539 1305
1540 /* fill our lookup tables */ 1306 /* fill our lookup tables */
1541 for (i = 0; i <= mask_r>>sh_r; i++) 1307 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1542 { 1308 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1543 uint32_t tmp; 1309 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1544 tmp = i * high.r;
1545 tmp += (mask_r>>sh_r) * low.r;
1546 lookup_r[i] = (tmp/65535)<<sh_r;
1547 }
1548 for (i = 0; i <= mask_g>>sh_g; i++)
1549 {
1550 uint32_t tmp;
1551 tmp = i * high.g;
1552 tmp += (mask_g>>sh_g) * low.g;
1553 lookup_g[i] = (tmp/65535)<<sh_g;
1554 }
1555 for (i = 0; i <= mask_b>>sh_b; i++)
1556 {
1557 uint32_t tmp;
1558 tmp = i * high.b;
1559 tmp += (mask_b>>sh_b) * low.b;
1560 lookup_b[i] = (tmp/65535)<<sh_b;
1561 }
1562 1310
1563 /* apply table to input image (replacing colors by newly calculated ones) */ 1311 /* apply table to input image (replacing colors by newly calculated ones) */
1564 if (ximage->bits_per_pixel == 32 1312 if (ximage->bits_per_pixel == 32
1565 && (ximage->depth == 24 || ximage->depth == 32)
1566 && ximage->byte_order == host_byte_order) 1313 && ximage->byte_order == host_byte_order)
1567 { 1314 {
1568 uint32_t *p1, *pf, *p, *pl; 1315 char *line = ximage->data;
1569 p1 = (uint32_t *) ximage->data;
1570 pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1571 1316
1572 while (p1 < pf) 1317 for (int y = 0; y < ximage->height; y++)
1573 { 1318 {
1574 p = p1; 1319 uint32_t *p = (uint32_t *)line;
1575 pl = p1 + ximage->width; 1320 for (int x = 0; x < ximage->width; x++)
1576 for (; p < pl; p++)
1577 { 1321 {
1578 *p = lookup_r[(*p & 0xff0000) >> 16] | 1322 *p = lookup_r[(*p & mask_r) >> sh_r] |
1579 lookup_g[(*p & 0x00ff00) >> 8] | 1323 lookup_g[(*p & mask_g) >> sh_g] |
1580 lookup_b[(*p & 0x0000ff)] | 1324 lookup_b[(*p & mask_b) >> sh_b];
1581 (*p & 0xff000000); 1325 p++;
1582 } 1326 }
1583 p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line); 1327 line += ximage->bytes_per_line;
1584 } 1328 }
1585 } 1329 }
1586 else 1330 else
1587 { 1331 {
1588 for (int y = 0; y < ximage->height; y++) 1332 for (int y = 0; y < ximage->height; y++)
… …
1596 } 1340 }
1597 } 1341 }
1598 1342
1599 free (lookup); 1343 free (lookup);
1600} 1344}
1601#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1345
1346#endif /* HAVE_BG_PIXMAP */

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