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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.142 by sf-exg, Thu Jan 27 17:37:18 2011 UTC vs.
Revision 1.223 by sf-exg, Sat May 26 08:55:27 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
… …
94 85
95bool 86bool
96rxvt_term::bg_window_size_sensitive () 87rxvt_term::bg_window_size_sensitive ()
97{ 88{
98# ifdef ENABLE_TRANSPARENCY 89# ifdef ENABLE_TRANSPARENCY
99 if (bg_flags & isTransparent) 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 (have_image) 95 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
105 { 96 {
106 if (bg_flags & sizeSensitive) 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;
… …
113 106
114bool 107bool
115rxvt_term::bg_window_position_sensitive () 108rxvt_term::bg_window_position_sensitive ()
116{ 109{
117# ifdef ENABLE_TRANSPARENCY 110# ifdef ENABLE_TRANSPARENCY
118 if (bg_flags & isTransparent) 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 (have_image) 116 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
124 { 117 {
125 if (bg_flags & rootAlign) 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 & (~geometryFlags)); 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 |= propScale; 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 |= rootAlign; 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 (!(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
317 return changed; 315 return changed;
318} 316}
319 317
320void 318void
321rxvt_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)
322{ 320{
321 int image_width = image.width ();
322 int image_height = image.height ();
323 int target_width = szHint.width; 323 int target_width = szHint.width;
324 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);
325 327
326 if (bg_flags & propScale) 328 w = h_scale * target_width / 100;
329 h = v_scale * target_height / 100;
330
331 if (image.flags & IM_KEEP_ASPECT)
327 { 332 {
328 float scale = (float)target_width / image_width; 333 float scale = (float)w / image_width;
329 min_it (scale, (float)target_height / image_height); 334 min_it (scale, (float)h / image_height);
330 w = image_width * scale + 0.5; 335 w = image_width * scale + 0.5;
331 h = image_height * scale + 0.5; 336 h = image_height * scale + 0.5;
332 } 337 }
333 else
334 {
335 w = h_scale * target_width / 100;
336 h = v_scale * target_height / 100;
337 }
338 338
339 if (!w) w = image_width; 339 if (!w) w = image_width;
340 if (!h) h = image_height; 340 if (!h) h = image_height;
341 341
342 if (bg_flags & rootAlign) 342 if (image.flags & IM_ROOT_ALIGN)
343 { 343 {
344 x = -target_x; 344 x = -target_x;
345 y = -target_y; 345 y = -target_y;
346 } 346 }
347 else 347 else
348 { 348 {
349 x = make_align_position (h_align, target_width, w); 349 x = make_align_position (image.h_align, target_width, w);
350 y = make_align_position (v_align, target_height, h); 350 y = make_align_position (image.v_align, target_height, h);
351 }
352
353 bg_flags &= ~sizeSensitive;
354 if ((bg_flags & propScale) || h_scale || v_scale
355 || (!(bg_flags & rootAlign) && (h_align || v_align))
356 || w > target_width || h > target_height)
357 bg_flags |= sizeSensitive;
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 & tintNeeded)
374 { 351 }
375 ShadingInfo as_shade; 352}
376 as_shade.shading = shade;
377 353
378 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 354# ifdef HAVE_PIXBUF
379 if (bg_flags & tintSet) 355bool
380 tint.get (c); 356rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
381 as_shade.tintColor.red = c.r; 357 int src_x, int src_y, int dst_x, int dst_y,
382 as_shade.tintColor.green = c.g; 358 unsigned int width, unsigned int height, bool argb)
383 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;
384 368
385 background_tint = shading2tint32 (&as_shade); 369 if (visual->c_class != TrueColor)
370 return false;
371
372 if (argb)
386 } 373 {
387 374 red_mask = 0xff << 16;
388 if ((tr_flags & blurNeeded) && background != NULL) 375 green_mask = 0xff << 8;
376 blue_mask = 0xff;
377 alpha_mask = 0xff << 24;
389 { 378 }
390 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF, 379 else
391 (original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage, 380 {
392 100, 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);
393 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)
394 { 447 {
395 destroy_asimage (&background); 448 a = pixel[3];
396 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);
397 } 470 }
398 }
399# endif
400 471
401 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);
402 498
403 int target_width = szHint.width; 499 int target_width = szHint.width;
404 int target_height = szHint.height; 500 int target_height = szHint.height;
405 int new_pmap_width = target_width; 501 int new_pmap_width = target_width;
406 int new_pmap_height = target_height; 502 int new_pmap_height = target_height;
… …
408 int x = 0; 504 int x = 0;
409 int y = 0; 505 int y = 0;
410 int w = 0; 506 int w = 0;
411 int h = 0; 507 int h = 0;
412 508
413 if (original_asim) 509 get_image_geometry (image, w, h, x, y);
414 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
415 510
416 if (!original_asim 511 if (!(image.flags & IM_ROOT_ALIGN)
417 || (!(bg_flags & rootAlign)
418 && (x >= target_width 512 && (x >= target_width
419 || y >= target_height 513 || y >= target_height
420 || (x + w <= 0) 514 || x + w <= 0
421 || (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);
422 { 526 }
423 if (background)
424 {
425 new_pmap_width = background->width;
426 new_pmap_height = background->height;
427 result = background;
428 527
429 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)
430 { 549 {
431 ASImage *tmp = tile_asimage (asv, background, 0, 0, 550 new_pmap_width = min (image_width, target_width);
432 target_width, target_height, background_tint, 551 new_pmap_height = min (image_height, target_height);
433 ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
434 if (tmp)
435 result = tmp;
436 }
437 } 552 }
438 else
439 new_pmap_width = new_pmap_height = 0;
440 }
441 else
442 {
443 result = original_asim;
444 553
445 if ((w != original_asim->width)
446 || (h != original_asim->height))
447 {
448 result = scale_asimage (asv, original_asim,
449 w, h,
450 background ? ASA_ASImage : ASA_XImage,
451 100, ASIMAGE_QUALITY_DEFAULT);
452 }
453
454 if (background == NULL)
455 {
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
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 554 if (bg_pixmap == None
548 || bg_pmap_width != new_pmap_width 555 || bg_pmap_width != new_pmap_width
549 || bg_pmap_height != new_pmap_height) 556 || bg_pmap_height != new_pmap_height)
550 { 557 {
551 if (bg_pixmap) 558 if (bg_pixmap)
552 XFreePixmap (dpy, bg_pixmap); 559 XFreePixmap (dpy, bg_pixmap);
553 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);
554 bg_pmap_width = new_pmap_width; 561 bg_pmap_width = new_pmap_width;
555 bg_pmap_height = new_pmap_height; 562 bg_pmap_height = new_pmap_height;
556 } 563 }
557 /* fill with background color (if result's not completely overlapping it) */ 564
565 tmp_pixmap = bg_pixmap;
566 }
567
558 gcv.foreground = pix_colors[Color_bg]; 568 gcv.foreground = pix_colors[Color_bg];
559 gc = XCreateGC (dpy, vt, GCForeground, &gcv); 569 gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
560 570
561 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0; 571 if (gc)
562 int dst_width = result->width, dst_height = result->height; 572 {
563 if (background == NULL) 573 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 } 574 {
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 & 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 & rootAlign)
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); 575 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
766 pixbuf_to_pixmap (result, tile, gc, 576 pixbuf_to_pixmap (result, tile, gc,
767 0, 0, 577 0, 0,
768 0, 0, 578 0, 0,
769 image_width, image_height); 579 image_width, image_height, need_blend);
770 580
771 gcv.tile = tile; 581 gcv.tile = tile;
772 gcv.fill_style = FillTiled; 582 gcv.fill_style = FillTiled;
773 gcv.ts_x_origin = x; 583 gcv.ts_x_origin = x;
774 gcv.ts_y_origin = y; 584 gcv.ts_y_origin = y;
775 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 585 XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
776 586
777 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);
778 XFreePixmap (dpy, tile); 588 XFreePixmap (dpy, tile);
779 } 589 }
780 else 590 else
781 { 591 {
782 int src_x, src_y, dst_x, dst_y; 592 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); 596 src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
787 597
788 if (dst_x > 0 || dst_y > 0 598 if (dst_x > 0 || dst_y > 0
789 || dst_x + dst_width < new_pmap_width 599 || dst_x + dst_width < new_pmap_width
790 || dst_y + dst_height < new_pmap_height) 600 || dst_y + dst_height < new_pmap_height)
791 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);
792 602
793 if (dst_x < new_pmap_width && dst_y < new_pmap_height) 603 if (dst_x < new_pmap_width && dst_y < new_pmap_height)
794 pixbuf_to_pixmap (result, bg_pixmap, gc, 604 pixbuf_to_pixmap (result, tmp_pixmap, gc,
795 src_x, src_y, 605 src_x, src_y,
796 dst_x, dst_y, 606 dst_x, dst_y,
797 dst_width, dst_height); 607 dst_width, dst_height, need_blend);
798 } 608 }
799 609
800#if XRENDER 610#if XRENDER
801 if (tr_flags) 611 if (need_blend)
802 { 612 {
803 XRenderPictureAttributes pa; 613 XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
804
805 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); 614 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
615
806 Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); 616 Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
807 617
808 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); 618 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810 619
811 pa.repeat = True; 620 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);
816 621
817 if (src && dst && mask)
818 {
819 XRenderColor mask_c; 622 XRenderColor mask_c;
820 623
821 mask_c.alpha = 0x8000; 624 mask_c.alpha = image.alpha;
822 mask_c.red = 0; 625 mask_c.red =
823 mask_c.green = 0; 626 mask_c.green =
824 mask_c.blue = 0; 627 mask_c.blue = 0;
825 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 628 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
629
826 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height); 630 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827 }
828 631
829 XRenderFreePicture (dpy, src); 632 XRenderFreePicture (dpy, src);
830 XRenderFreePicture (dpy, dst); 633 XRenderFreePicture (dpy, dst);
831 XRenderFreePicture (dpy, mask); 634 XRenderFreePicture (dpy, mask);
832
833 XFreePixmap (dpy, root_pmap);
834 } 635 }
835#endif 636#endif
836 637
837 if (result != pixbuf)
838 g_object_unref (result);
839
840 XFreeGC (dpy, gc); 638 XFreeGC (dpy, gc);
841 639
842 ret = true; 640 ret = true;
843 } 641 }
844 642
643 if (result != pixbuf)
644 g_object_unref (result);
645
646 if (need_blend)
647 XFreePixmap (dpy, tmp_pixmap);
648
845 return ret; 649 return ret;
846} 650}
847# endif /* HAVE_PIXBUF */ 651# endif /* HAVE_PIXBUF */
848 652
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 if (image_vec.size () < id + 1)
680 image_vec.resize (id + 1);
681
682 rxvt_image *image = &image_vec[id];
683}
684# endif
685
686rxvt_image::rxvt_image ()
687{
688 alpha =
689 flags =
690 h_scale =
691 v_scale =
692 h_align =
693 v_align = 0;
694
695# ifdef HAVE_PIXBUF
696 pixbuf = 0;
697# endif
698}
699
849bool 700bool
850rxvt_term::bg_set_file (const char *file) 701rxvt_image::set_file_geometry (const char *file)
851{ 702{
852 if (!file || !*file) 703 if (!file || !*file)
853 return false; 704 return false;
854 705
855 if (const char *p = strchr (file, ';')) 706 const char *p = strchr (file, ';');
707
708 if (p)
856 { 709 {
857 size_t len = p - file; 710 size_t len = p - file;
858 char *f = rxvt_temp_buf<char> (len + 1); 711 char *f = rxvt_temp_buf<char> (len + 1);
859 memcpy (f, file, len); 712 memcpy (f, file, len);
860 f[len] = '\0'; 713 f[len] = '\0';
861 file = f; 714 file = f;
862 } 715 }
863 716
864# ifdef HAVE_AFTERIMAGE 717 bool ret = set_file (file);
865 if (!asimman) 718 alpha = 0x8000;
866 asimman = create_generic_imageman (rs[Rs_path]); 719 if (ret && p)
867 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100); 720 set_geometry (p + 1);
868 if (image) 721 return ret;
869 { 722}
870 if (original_asim) 723
871 safe_asimage_destroy (original_asim); 724bool
872 original_asim = image; 725rxvt_image::set_file (const char *file)
873 bg_flags |= CLIENT_RENDER; 726{
874 have_image = true; 727 bool ret = false;
875 return true;
876 }
877# endif
878 728
879# ifdef HAVE_PIXBUF 729# ifdef HAVE_PIXBUF
880 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 730 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881 if (image) 731 if (image)
882 { 732 {
883 if (pixbuf) 733 if (pixbuf)
884 g_object_unref (pixbuf); 734 g_object_unref (pixbuf);
885 pixbuf = image; 735 pixbuf = image;
886 have_image = true;
887 return true; 736 ret = true;
888 } 737 }
889# endif 738# endif
890 739
740 if (ret)
741 {
742 alpha = 0xffff;
743 flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
744 h_scale = v_scale = defaultScale;
745 h_align = v_align = defaultAlign;
746 }
747
891 return false; 748 return ret;
892} 749}
893 750
894# endif /* BG_IMAGE_FROM_FILE */ 751# endif /* BG_IMAGE_FROM_FILE */
895 752
896# ifdef ENABLE_TRANSPARENCY 753# ifdef ENABLE_TRANSPARENCY
897bool
898rxvt_term::bg_set_transparent ()
899{
900 if (!(bg_flags & isTransparent))
901 {
902 bg_flags |= isTransparent;
903 return true;
904 }
905
906 return false;
907}
908
909bool 754bool
910rxvt_term::bg_set_blur (const char *geom) 755rxvt_term::bg_set_blur (const char *geom)
911{ 756{
912 bool changed = false; 757 bool changed = false;
913 unsigned int hr, vr; 758 unsigned int hr, vr;
… …
932 { 777 {
933 changed = true; 778 changed = true;
934 v_blurRadius = vr; 779 v_blurRadius = vr;
935 } 780 }
936 781
937 if (v_blurRadius == 0 && h_blurRadius == 0)
938 bg_flags &= ~blurNeeded;
939 else
940 bg_flags |= blurNeeded;
941
942 return changed; 782 return changed;
943} 783}
944 784
945static inline unsigned long 785bool
946compute_tint_shade_flags (rxvt_color *tint, int shade) 786rxvt_term::bg_set_tint (rxvt_color &new_tint)
947{ 787{
948 unsigned long flags = 0; 788 if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
949 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
950 bool has_shade = shade != 100;
951
952 if (tint)
953 { 789 {
790 tint = new_tint;
791 bg_flags |= BG_TINT_SET;
792
793 rgba c;
954 tint->get (c); 794 tint.get (c);
955 if (!has_shade
956 && (c.r <= 0x00ff || c.r >= 0xff00) 795 if ((c.r <= 0x00ff || c.r >= 0xff00)
957 && (c.g <= 0x00ff || c.g >= 0xff00) 796 && (c.g <= 0x00ff || c.g >= 0xff00)
958 && (c.b <= 0x00ff || c.b >= 0xff00)) 797 && (c.b <= 0x00ff || c.b >= 0xff00))
959 flags |= rxvt_term::tintWholesome; 798 bg_flags |= BG_TINT_BITAND;
960 } 799 else
800 bg_flags &= ~BG_TINT_BITAND;
961 801
962 if (has_shade || tint)
963 flags |= rxvt_term::tintNeeded;
964
965 return flags;
966}
967
968bool
969rxvt_term::bg_set_tint (rxvt_color &new_tint)
970{
971 if (!(bg_flags & tintSet) || tint != new_tint)
972 {
973 unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
974 tint = new_tint;
975 bg_flags = (bg_flags & ~tintFlags) | new_flags | tintSet;
976 return true; 802 return true;
977 } 803 }
978 804
979 return false; 805 return false;
980} 806}
981 807
982bool 808bool
983rxvt_term::bg_set_shade (const char *shade_str) 809rxvt_term::bg_set_shade (const char *shade_str)
984{ 810{
985 int new_shade = (shade_str) ? atoi (shade_str) : 100; 811 int new_shade = atoi (shade_str);
986 812
987 clamp_it (new_shade, -100, 200); 813 clamp_it (new_shade, -100, 200);
988 if (new_shade < 0) 814 if (new_shade < 0)
989 new_shade = 200 - (100 + new_shade); 815 new_shade = 200 - (100 + new_shade);
990 816
991 if (new_shade != shade) 817 if (new_shade != shade)
992 { 818 {
993 unsigned long new_flags = compute_tint_shade_flags ((bg_flags & tintSet) ? &tint : NULL, new_shade);
994 shade = new_shade; 819 shade = new_shade;
995 bg_flags = (bg_flags & ~tintFlags) | new_flags;
996 return true; 820 return true;
997 } 821 }
998 822
999 return false; 823 return false;
1000} 824}
… …
1021 params[i+2] = XDoubleToFixed (kernel[i] / sum); 845 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1022} 846}
1023#endif 847#endif
1024 848
1025bool 849bool
1026rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 850rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1027{ 851{
1028 bool ret = false; 852 bool ret = false;
1029#if XRENDER 853#if XRENDER
854 if (!(bg_flags & BG_HAS_RENDER_CONV))
855 return false;
856
1030 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 857 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1031 double *kernel = (double *)malloc (size * sizeof (double)); 858 double *kernel = (double *)malloc (size * sizeof (double));
1032 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 859 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1033 860
1034 XRenderPictureAttributes pa; 861 XRenderPictureAttributes pa;
1035 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 862 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1036 863
864 pa.repeat = RepeatPad;
1037 Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 865 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
866 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1038 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 867 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
868 XFreePixmap (dpy, tmp);
1039 869
1040 if (kernel && params && src && dst) 870 if (kernel && params)
1041 { 871 {
1042 if (h_blurRadius)
1043 {
1044 size = h_blurRadius * 2 + 1; 872 size = h_blurRadius * 2 + 1;
1045 get_gaussian_kernel (h_blurRadius, size, kernel, params); 873 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1046 874
1047 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 875 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1048 XRenderComposite (dpy, 876 XRenderComposite (dpy,
1049 PictOpSrc, 877 PictOpSrc,
1050 src, 878 src,
1051 None, 879 None,
1052 dst, 880 dst,
1053 0, 0, 881 0, 0,
1054 0, 0, 882 0, 0,
1055 0, 0, 883 0, 0,
1056 width, height); 884 width, height);
1057 }
1058 885
1059 if (v_blurRadius) 886 ::swap (src, dst);
1060 { 887
1061 size = v_blurRadius * 2 + 1; 888 size = v_blurRadius * 2 + 1;
1062 get_gaussian_kernel (v_blurRadius, size, kernel, params); 889 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1063 ::swap (params[0], params[1]); 890 ::swap (params[0], params[1]);
1064 891
1065 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 892 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1066 XRenderComposite (dpy, 893 XRenderComposite (dpy,
1067 PictOpSrc, 894 PictOpSrc,
1068 src, 895 src,
1069 None, 896 None,
1070 dst, 897 dst,
1071 0, 0, 898 0, 0,
1072 0, 0, 899 0, 0,
1073 0, 0, 900 0, 0,
1074 width, height); 901 width, height);
1075 }
1076 902
1077 ret = true; 903 ret = true;
1078 } 904 }
1079 905
1080 free (kernel); 906 free (kernel);
… …
1084#endif 910#endif
1085 return ret; 911 return ret;
1086} 912}
1087 913
1088bool 914bool
1089rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 915rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1090{ 916{
1091 bool ret = false; 917 bool ret = false;
1092 918
1093 if (bg_flags & tintWholesome) 919 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1094 { 920 {
1095 XGCValues gcv; 921 XGCValues gcv;
1096 GC gc; 922 GC gc;
1097 923
1098 /* In this case we can tint image server-side getting significant 924 /* In this case we can tint image server-side getting significant
… …
1107 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 933 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1108 ret = true; 934 ret = true;
1109 XFreeGC (dpy, gc); 935 XFreeGC (dpy, gc);
1110 } 936 }
1111 } 937 }
1112 else
1113 {
1114# if XRENDER 938# if XRENDER
939 else if (bg_flags & BG_HAS_RENDER)
940 {
1115 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 941 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1116 942
1117 if (bg_flags & tintSet) 943 if (bg_flags & BG_TINT_SET)
1118 tint.get (c); 944 tint.get (c);
1119 945
1120 if (shade <= 100) 946 if (shade <= 100)
1121 { 947 {
1122 c.r = (c.r * shade) / 100; 948 c.r = c.r * shade / 100;
1123 c.g = (c.g * shade) / 100; 949 c.g = c.g * shade / 100;
1124 c.b = (c.b * shade) / 100; 950 c.b = c.b * shade / 100;
1125 } 951 }
1126 else 952 else
1127 { 953 {
1128 c.r = (c.r * (200 - shade)) / 100; 954 c.r = c.r * (200 - shade) / 100;
1129 c.g = (c.g * (200 - shade)) / 100; 955 c.g = c.g * (200 - shade) / 100;
1130 c.b = (c.b * (200 - shade)) / 100; 956 c.b = c.b * (200 - shade) / 100;
1131 } 957 }
1132 958
1133 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1134 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 959 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1135 XRenderPictureAttributes pa;
1136 960
1137 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 961 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1138 962
1139 pa.repeat = True; 963 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1140 964
1141 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 965 Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1142 Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1143 XFreePixmap (dpy, overlay_pmap);
1144 966
1145 pa.component_alpha = True;
1146 Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1147 Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1148 XFreePixmap (dpy, mask_pmap);
1149
1150 if (mask_pic && overlay_pic && back_pic)
1151 {
1152 XRenderColor mask_c; 967 XRenderColor mask_c;
1153 968
1154 mask_c.red = mask_c.green = mask_c.blue = 0;
1155 mask_c.alpha = 0xffff; 969 mask_c.alpha = 0xffff;
970 mask_c.red =
971 mask_c.green =
972 mask_c.blue = 0;
973 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
974
975 mask_c.alpha = 0;
976 mask_c.red = 0xffff - c.r;
977 mask_c.green = 0xffff - c.g;
978 mask_c.blue = 0xffff - c.b;
979 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
980
981 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
982
983 if (shade > 100)
984 {
985 mask_c.alpha = 0;
986 mask_c.red =
987 mask_c.green =
988 mask_c.blue = 0xffff * (shade - 100) / 100;
1156 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 989 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1157 990
1158 mask_c.alpha = 0;
1159 mask_c.red = 0xffff - c.r;
1160 mask_c.green = 0xffff - c.g;
1161 mask_c.blue = 0xffff - c.b;
1162 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1163 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1164
1165 if (shade > 100)
1166 {
1167 mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1168 mask_c.alpha = 0;
1169 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1170
1171 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height); 991 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1172 }
1173
1174 ret = true;
1175 } 992 }
993
994 ret = true;
1176 995
1177 XRenderFreePicture (dpy, mask_pic); 996 XRenderFreePicture (dpy, mask_pic);
1178 XRenderFreePicture (dpy, overlay_pic); 997 XRenderFreePicture (dpy, overlay_pic);
1179 XRenderFreePicture (dpy, back_pic); 998 XRenderFreePicture (dpy, back_pic);
999 }
1180# endif 1000# endif
1181 }
1182 1001
1183 return ret; 1002 return ret;
1184} 1003}
1185 1004
1186/* make_transparency_pixmap() 1005/*
1187 * Builds a pixmap of the same size as the terminal window that contains 1006 * Builds a pixmap of the same size as the terminal window that contains
1188 * the tiled portion of the root pixmap that is supposed to be covered by 1007 * the tiled portion of the root pixmap that is supposed to be covered by
1189 * our window. 1008 * our window.
1190 */ 1009 */
1191unsigned long 1010bool
1192rxvt_term::make_transparency_pixmap () 1011rxvt_term::make_transparency_pixmap ()
1193{ 1012{
1194 unsigned long result = 0; 1013 bool ret = false;
1195 1014
1196 /* root dimensions may change from call to call - but Display structure should 1015 /* root dimensions may change from call to call - but Display structure should
1197 * be always up-to-date, so let's use it : 1016 * be always up-to-date, so let's use it :
1198 */ 1017 */
1199 int screen = display->screen; 1018 int screen = display->screen;
… …
1233 Pixmap recoded_root_pmap = root_pixmap; 1052 Pixmap recoded_root_pmap = root_pixmap;
1234 1053
1235 if (root_pixmap != None && root_depth != depth) 1054 if (root_pixmap != None && root_depth != depth)
1236 { 1055 {
1237#if XRENDER 1056#if XRENDER
1238 if (bg_flags & HAS_RENDER) 1057 if (bg_flags & BG_HAS_RENDER)
1239 { 1058 {
1240 XRenderPictureAttributes pa; 1059 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1241 1060
1242 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 1061 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1243 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 1062 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1244 1063
1245 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1246 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 1064 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1247 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 1065 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1248 1066
1249 if (src && dst)
1250 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 1067 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1251 else
1252 {
1253 XFreePixmap (dpy, recoded_root_pmap);
1254 root_pixmap = None;
1255 }
1256 1068
1257 XRenderFreePicture (dpy, src); 1069 XRenderFreePicture (dpy, src);
1258 XRenderFreePicture (dpy, dst); 1070 XRenderFreePicture (dpy, dst);
1259 } 1071 }
1260 else 1072 else
1261#endif 1073#endif
1262 root_pixmap = None; 1074 recoded_root_pmap = None;
1263 } 1075 }
1264 1076
1265 if (root_pixmap == None) 1077 if (recoded_root_pmap == None)
1266 return 0; 1078 return 0;
1267 1079
1268 if (bg_pixmap == None 1080 if (bg_pixmap == None
1269 || bg_pmap_width != window_width 1081 || bg_pmap_width != window_width
1270 || bg_pmap_height != window_height) 1082 || bg_pmap_height != window_height)
… …
1274 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth); 1086 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1275 bg_pmap_width = window_width; 1087 bg_pmap_width = window_width;
1276 bg_pmap_height = window_height; 1088 bg_pmap_height = window_height;
1277 } 1089 }
1278 1090
1279 if (bg_pixmap == None)
1280 return 0;
1281
1282 /* straightforward pixmap copy */ 1091 /* straightforward pixmap copy */
1283 while (sx < 0) sx += (int)root_width; 1092 while (sx < 0) sx += root_pmap_width;
1284 while (sy < 0) sy += (int)root_height; 1093 while (sy < 0) sy += root_pmap_height;
1285 1094
1286 gcv.tile = recoded_root_pmap; 1095 gcv.tile = recoded_root_pmap;
1287 gcv.fill_style = FillTiled; 1096 gcv.fill_style = FillTiled;
1288 gcv.ts_x_origin = -sx; 1097 gcv.ts_x_origin = -sx;
1289 gcv.ts_y_origin = -sy; 1098 gcv.ts_y_origin = -sy;
1290 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1099 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1291 1100
1292 if (gc) 1101 if (gc)
1293 { 1102 {
1294 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1103 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1295 result |= isValid | (bg_flags & effectsFlags); 1104 ret = true;
1296 XFreeGC (dpy, gc); 1105 bool need_blur = h_blurRadius && v_blurRadius;
1106 bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1297 1107
1298 if (!(bg_flags & CLIENT_RENDER)) 1108 if (!(bg_flags & BG_CLIENT_RENDER))
1299 { 1109 {
1300 if ((bg_flags & blurNeeded) 1110 if (need_blur)
1301 && (bg_flags & HAS_RENDER_CONV))
1302 { 1111 {
1303 if (blur_pixmap (bg_pixmap, visual, window_width, window_height)) 1112 if (blur_pixmap (bg_pixmap, window_width, window_height))
1304 result &= ~blurNeeded; 1113 need_blur = false;
1305 } 1114 }
1306 if ((bg_flags & tintNeeded) 1115 if (need_tint)
1307 && (bg_flags & (tintWholesome | HAS_RENDER)))
1308 { 1116 {
1309 if (tint_pixmap (bg_pixmap, visual, window_width, window_height)) 1117 if (tint_pixmap (bg_pixmap, window_width, window_height))
1310 result &= ~tintNeeded; 1118 need_tint = false;
1119 }
1120 if (need_tint)
1121 {
1122 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1123 if (ximage)
1124 {
1125 /* our own client-side tinting */
1126 tint_ximage (ximage);
1127
1128 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1129 XDestroyImage (ximage);
1130 }
1311 } 1131 }
1312 } /* server side rendering completed */ 1132 } /* server side rendering completed */
1133
1134 XFreeGC (dpy, gc);
1313 } 1135 }
1314 1136
1315 if (recoded_root_pmap != root_pixmap) 1137 if (recoded_root_pmap != root_pixmap)
1316 XFreePixmap (dpy, recoded_root_pmap); 1138 XFreePixmap (dpy, recoded_root_pmap);
1317 1139
1318 return result; 1140 return ret;
1319} 1141}
1320 1142
1321void 1143void
1322rxvt_term::bg_set_root_pixmap () 1144rxvt_term::bg_set_root_pixmap ()
1323{ 1145{
… …
1327 1149
1328 root_pixmap = new_root_pixmap; 1150 root_pixmap = new_root_pixmap;
1329} 1151}
1330# endif /* ENABLE_TRANSPARENCY */ 1152# endif /* ENABLE_TRANSPARENCY */
1331 1153
1332#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1333static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1334# endif
1335
1336bool 1154bool
1337rxvt_term::bg_render () 1155rxvt_term::bg_render ()
1338{ 1156{
1339 unsigned long tr_flags = 0;
1340
1341 bg_invalidate (); 1157 bg_invalidate ();
1342# ifdef ENABLE_TRANSPARENCY 1158# ifdef ENABLE_TRANSPARENCY
1343 if (bg_flags & isTransparent) 1159 if (bg_flags & BG_IS_TRANSPARENT)
1344 { 1160 {
1345 /* we need to re-generate transparency pixmap in that case ! */ 1161 /* we need to re-generate transparency pixmap in that case ! */
1346 tr_flags = make_transparency_pixmap (); 1162 if (make_transparency_pixmap ())
1347 if (tr_flags == 0) 1163 bg_flags |= BG_IS_VALID;
1348 return false;
1349 else if (!(tr_flags & effectsFlags))
1350 bg_flags |= isValid;
1351 } 1164 }
1352# endif 1165# endif
1353 1166
1354# ifdef BG_IMAGE_FROM_FILE 1167# ifdef BG_IMAGE_FROM_FILE
1355 if (have_image 1168 for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1356 || (tr_flags & effectsFlags))
1357 { 1169 {
1358 if (render_image (tr_flags)) 1170 if (render_image (*bg_image))
1359 bg_flags |= isValid; 1171 bg_flags |= BG_IS_VALID;
1360 } 1172 }
1361# endif 1173# endif
1362 1174
1363# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1175 if (!(bg_flags & BG_IS_VALID))
1364 XImage *result = NULL;
1365
1366 if (tr_flags && !(bg_flags & isValid))
1367 {
1368 result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1369 }
1370
1371 if (result)
1372 {
1373 /* our own client-side tinting */
1374 if (tr_flags & tintNeeded)
1375 {
1376 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1377 if (bg_flags & tintSet)
1378 tint.get (c);
1379 shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1380 }
1381
1382 GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1383
1384 if (gc)
1385 {
1386 XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1387
1388 XFreeGC (dpy, gc);
1389 bg_flags |= isValid;
1390 }
1391
1392 XDestroyImage (result);
1393 }
1394# endif
1395
1396 if (!(bg_flags & isValid))
1397 { 1176 {
1398 if (bg_pixmap != None) 1177 if (bg_pixmap != None)
1399 { 1178 {
1400 XFreePixmap (dpy, bg_pixmap); 1179 XFreePixmap (dpy, bg_pixmap);
1401 bg_pixmap = None; 1180 bg_pixmap = None;
1402 } 1181 }
1403 } 1182 }
1404 1183
1405 scr_recolour (false); 1184 scr_recolour (false);
1406 bg_flags |= hasChanged; 1185 bg_flags |= BG_NEEDS_REFRESH;
1407 1186
1408 bg_valid_since = ev::now (); 1187 bg_valid_since = ev::now ();
1409 1188
1410 return true; 1189 return true;
1411} 1190}
… …
1415{ 1194{
1416#ifdef ENABLE_TRANSPARENCY 1195#ifdef ENABLE_TRANSPARENCY
1417 shade = 100; 1196 shade = 100;
1418#endif 1197#endif
1419 1198
1420 bg_flags &= ~(HAS_RENDER | HAS_RENDER_CONV); 1199 bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1421#if XRENDER 1200#if XRENDER
1422 int major, minor; 1201 int major, minor;
1423 if (XRenderQueryVersion (dpy, &major, &minor)) 1202 if (XRenderQueryVersion (dpy, &major, &minor))
1424 bg_flags |= HAS_RENDER; 1203 bg_flags |= BG_HAS_RENDER;
1425 XFilters *filters = XRenderQueryFilters (dpy, vt); 1204 XFilters *filters = XRenderQueryFilters (dpy, vt);
1426 if (filters) 1205 if (filters)
1427 { 1206 {
1428 for (int i = 0; i < filters->nfilter; i++) 1207 for (int i = 0; i < filters->nfilter; i++)
1429 if (!strcmp (filters->filter[i], FilterConvolution)) 1208 if (!strcmp (filters->filter[i], FilterConvolution))
1430 bg_flags |= HAS_RENDER_CONV; 1209 bg_flags |= BG_HAS_RENDER_CONV;
1431 1210
1432 XFree (filters); 1211 XFree (filters);
1433 } 1212 }
1434#endif 1213#endif
1214
1215#ifdef BG_IMAGE_FROM_FILE
1216 if (rs[Rs_backgroundPixmap])
1217 {
1218 rxvt_image *image = new_image ();
1219 if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
1220 image_vec.pop_back ();
1221 }
1222
1223# ifndef NO_RESOURCES
1224 find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
1225 vector<rxvt_image>::iterator bg_image = image_vec.begin ();
1226 while (bg_image != image_vec.end ())
1227 {
1228 if (!(bg_image->flags & IM_IS_SET))
1229 bg_image = image_vec.erase (bg_image);
1230 else
1231 bg_image++;
1232 }
1233# endif
1234
1235 if (image_vec.size () > 0
1236 && !bg_window_position_sensitive ())
1237 update_background ();
1238#endif
1435} 1239}
1436 1240
1437#endif /* HAVE_BG_PIXMAP */ 1241#endif /* HAVE_BG_PIXMAP */
1438 1242
1439#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1243#ifdef ENABLE_TRANSPARENCY
1440/* taken from aterm-0.4.2 */ 1244/* based on code from aterm-0.4.2 */
1441 1245
1442static void 1246static inline void
1443shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c) 1247fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1444{ 1248{
1249 for (int i = 0; i <= mask >> sh; i++)
1250 {
1251 uint32_t tmp;
1252 tmp = i * high;
1253 tmp += (mask >> sh) * low;
1254 lookup[i] = (tmp / 0xffff) << sh;
1255 }
1256}
1257
1258void
1259rxvt_term::tint_ximage (XImage *ximage)
1260{
1261 unsigned int size_r, size_g, size_b;
1445 int sh_r, sh_g, sh_b; 1262 int sh_r, sh_g, sh_b;
1446 uint32_t mask_r, mask_g, mask_b; 1263 uint32_t mask_r, mask_g, mask_b;
1447 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1264 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1448 rgba low; 1265 unsigned short low;
1449 rgba high;
1450 int i;
1451 int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst; 1266 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1452 1267
1453 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1268 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1454 1269
1455 /* for convenience */ 1270 /* for convenience */
1456 mask_r = visual->red_mask; 1271 mask_r = visual->red_mask;
1457 mask_g = visual->green_mask; 1272 mask_g = visual->green_mask;
1458 mask_b = visual->blue_mask; 1273 mask_b = visual->blue_mask;
1459 1274
1460 /* boring lookup table pre-initialization */ 1275 /* boring lookup table pre-initialization */
1461 switch (ximage->depth) 1276 sh_r = ecb_ctz32 (mask_r);
1462 { 1277 sh_g = ecb_ctz32 (mask_g);
1463 case 15: 1278 sh_b = ecb_ctz32 (mask_b);
1464 if ((mask_r != 0x7c00) || 1279
1465 (mask_g != 0x03e0) || 1280 size_r = mask_r >> sh_r;
1466 (mask_b != 0x001f)) 1281 size_g = mask_g >> sh_g;
1282 size_b = mask_b >> sh_b;
1283
1284 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1467 return; 1285 return;
1468 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32)); 1286
1287 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1469 lookup_r = lookup; 1288 lookup_r = lookup;
1470 lookup_g = lookup+32; 1289 lookup_g = lookup + size_r;
1471 lookup_b = lookup+32+32; 1290 lookup_b = lookup + size_r + size_g;
1472 sh_r = 10; 1291
1473 sh_g = 5; 1292 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1474 sh_b = 0; 1293
1475 break; 1294 if (bg_flags & BG_TINT_SET)
1476 case 16: 1295 tint.get (c);
1477 if ((mask_r != 0xf800) ||
1478 (mask_g != 0x07e0) ||
1479 (mask_b != 0x001f))
1480 return;
1481 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1482 lookup_r = lookup;
1483 lookup_g = lookup+32;
1484 lookup_b = lookup+32+64;
1485 sh_r = 11;
1486 sh_g = 5;
1487 sh_b = 0;
1488 break;
1489 case 24:
1490 if ((mask_r != 0xff0000) ||
1491 (mask_g != 0x00ff00) ||
1492 (mask_b != 0x0000ff))
1493 return;
1494 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1495 lookup_r = lookup;
1496 lookup_g = lookup+256;
1497 lookup_b = lookup+256+256;
1498 sh_r = 16;
1499 sh_g = 8;
1500 sh_b = 0;
1501 break;
1502 case 32:
1503 if ((mask_r != 0xff0000) ||
1504 (mask_g != 0x00ff00) ||
1505 (mask_b != 0x0000ff))
1506 return;
1507 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1508 lookup_r = lookup;
1509 lookup_g = lookup+256;
1510 lookup_b = lookup+256+256;
1511 sh_r = 16;
1512 sh_g = 8;
1513 sh_b = 0;
1514 break;
1515 default:
1516 return; /* we do not support this color depth */
1517 }
1518 1296
1519 /* prepare limits for color transformation (each channel is handled separately) */ 1297 /* prepare limits for color transformation (each channel is handled separately) */
1520 if (shade > 100) 1298 if (shade > 100)
1521 { 1299 {
1522 shade = 200 - shade;
1523
1524 high.r = c.r * shade / 100;
1525 high.g = c.g * shade / 100;
1526 high.b = c.b * shade / 100;
1527
1528 low.r = 65535 * (100 - shade) / 100; 1300 c.r = c.r * (200 - shade) / 100;
1529 low.g = 65535 * (100 - shade) / 100; 1301 c.g = c.g * (200 - shade) / 100;
1530 low.b = 65535 * (100 - shade) / 100; 1302 c.b = c.b * (200 - shade) / 100;
1303
1304 low = 0xffff * (shade - 100) / 100;
1531 } 1305 }
1532 else 1306 else
1533 { 1307 {
1534 high.r = c.r * shade / 100; 1308 c.r = c.r * shade / 100;
1535 high.g = c.g * shade / 100; 1309 c.g = c.g * shade / 100;
1536 high.b = c.b * shade / 100; 1310 c.b = c.b * shade / 100;
1537 1311
1538 low.r = low.g = low.b = 0; 1312 low = 0;
1539 } 1313 }
1540 1314
1541 /* fill our lookup tables */ 1315 /* fill our lookup tables */
1542 for (i = 0; i <= mask_r>>sh_r; i++) 1316 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1543 { 1317 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1544 uint32_t tmp; 1318 fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1545 tmp = i * high.r;
1546 tmp += (mask_r>>sh_r) * low.r;
1547 lookup_r[i] = (tmp/65535)<<sh_r;
1548 }
1549 for (i = 0; i <= mask_g>>sh_g; i++)
1550 {
1551 uint32_t tmp;
1552 tmp = i * high.g;
1553 tmp += (mask_g>>sh_g) * low.g;
1554 lookup_g[i] = (tmp/65535)<<sh_g;
1555 }
1556 for (i = 0; i <= mask_b>>sh_b; i++)
1557 {
1558 uint32_t tmp;
1559 tmp = i * high.b;
1560 tmp += (mask_b>>sh_b) * low.b;
1561 lookup_b[i] = (tmp/65535)<<sh_b;
1562 }
1563 1319
1564 /* apply table to input image (replacing colors by newly calculated ones) */ 1320 /* apply table to input image (replacing colors by newly calculated ones) */
1565 if (ximage->bits_per_pixel == 32 1321 if (ximage->bits_per_pixel == 32
1566 && (ximage->depth == 24 || ximage->depth == 32)
1567 && ximage->byte_order == host_byte_order) 1322 && ximage->byte_order == host_byte_order)
1568 { 1323 {
1569 uint32_t *p1, *pf, *p, *pl; 1324 char *line = ximage->data;
1570 p1 = (uint32_t *) ximage->data;
1571 pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1572 1325
1573 while (p1 < pf) 1326 for (int y = 0; y < ximage->height; y++)
1574 { 1327 {
1575 p = p1; 1328 uint32_t *p = (uint32_t *)line;
1576 pl = p1 + ximage->width; 1329 for (int x = 0; x < ximage->width; x++)
1577 for (; p < pl; p++)
1578 { 1330 {
1579 *p = lookup_r[(*p & 0xff0000) >> 16] | 1331 *p = lookup_r[(*p & mask_r) >> sh_r] |
1580 lookup_g[(*p & 0x00ff00) >> 8] | 1332 lookup_g[(*p & mask_g) >> sh_g] |
1581 lookup_b[(*p & 0x0000ff)] | 1333 lookup_b[(*p & mask_b) >> sh_b];
1582 (*p & 0xff000000); 1334 p++;
1583 } 1335 }
1584 p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line); 1336 line += ximage->bytes_per_line;
1585 } 1337 }
1586 } 1338 }
1587 else 1339 else
1588 { 1340 {
1589 for (int y = 0; y < ximage->height; y++) 1341 for (int y = 0; y < ximage->height; y++)
… …
1597 } 1349 }
1598 } 1350 }
1599 1351
1600 free (lookup); 1352 free (lookup);
1601} 1353}
1602#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1354#endif /* ENABLE_TRANSPARENCY */

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