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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.143 by sf-exg, Fri Jan 28 00:08:57 2011 UTC vs.
Revision 1.214 by sf-exg, Thu May 17 10:18:32 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
68 if (original_asim)
69 safe_asimage_destroy (original_asim);
70#endif
71
72#ifdef HAVE_PIXBUF
73 if (pixbuf)
74 g_object_unref (pixbuf);
75#endif
76
77 if (bg_pixmap) 63 if (bg_pixmap)
78 XFreePixmap (dpy, bg_pixmap); 64 XFreePixmap (dpy, bg_pixmap);
79} 65}
80 66
81bool 67bool
… …
99 if (bg_flags & BG_IS_TRANSPARENT) 85 if (bg_flags & BG_IS_TRANSPARENT)
100 return true; 86 return true;
101# endif 87# endif
102 88
103# ifdef BG_IMAGE_FROM_FILE 89# ifdef BG_IMAGE_FROM_FILE
104 if (have_image) 90 if (bg_image.flags & IM_IS_SET)
105 { 91 {
106 if (bg_flags & BG_IS_SIZE_SENSITIVE) 92 if ((bg_image.flags & IM_IS_SIZE_SENSITIVE)
93 || bg_image.width () > szHint.width
94 || bg_image.height () > szHint.height)
107 return true; 95 return true;
108 } 96 }
109# endif 97# endif
110 98
111 return false; 99 return false;
… …
118 if (bg_flags & BG_IS_TRANSPARENT) 106 if (bg_flags & BG_IS_TRANSPARENT)
119 return true; 107 return true;
120# endif 108# endif
121 109
122# ifdef BG_IMAGE_FROM_FILE 110# ifdef BG_IMAGE_FROM_FILE
123 if (have_image) 111 if (bg_image.flags & IM_IS_SET)
124 { 112 {
125 if (bg_flags & BG_ROOT_ALIGN) 113 if (bg_image.flags & IM_ROOT_ALIGN)
126 return true; 114 return true;
127 } 115 }
128# endif 116# endif
129 117
130 return false; 118 return false;
131} 119}
132 120
133# ifdef BG_IMAGE_FROM_FILE 121# 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 122static inline int
169make_align_position (int align, int window_size, int image_size) 123make_align_position (int align, int window_size, int image_size)
170{ 124{
171 int diff = window_size - image_size;
172 int smaller = min (image_size, window_size);
173
174 if (align >= 0 && align <= 100) 125 if (align >= 0 && align <= 100)
175 return diff * align / 100; 126 return lerp (0, window_size - image_size, align);
176 else if (align > 100 && align <= 200) 127 else if (align > 100)
177 return ((align - 100) * smaller / 100) + window_size - smaller; 128 return lerp (window_size - image_size, window_size, align - 100);
178 else if (align >= -100 && align < 0) 129 else
179 return ((align + 100) * smaller / 100) - image_size; 130 return lerp (-image_size, 0, align + 100);
180 return 0;
181} 131}
182 132
183static inline int 133static inline int
184make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size) 134make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
185{ 135{
… …
191 src_pos = -pos; 141 src_pos = -pos;
192 dst_pos = 0; 142 dst_pos = 0;
193 dst_size += pos; 143 dst_size += pos;
194 } 144 }
195 145
196 if (dst_pos + dst_size > target_size)
197 dst_size = target_size - dst_pos; 146 min_it (dst_size, target_size - dst_pos);
198 return src_pos; 147 return src_pos;
199} 148}
200 149
201bool 150bool
202rxvt_term::bg_set_geometry (const char *geom, bool update) 151rxvt_image::set_geometry (const char *geom, bool update)
203{ 152{
204 bool changed = false; 153 bool changed = false;
205 int geom_flags = 0; 154 int geom_flags = 0;
206 int x = 0, y = 0; 155 int x = h_align;
156 int y = v_align;
207 unsigned int w = 0, h = 0; 157 unsigned int w = h_scale;
208 unsigned int n; 158 unsigned int h = v_scale;
209 unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS)); 159 unsigned long new_flags = 0;
210 const char *ops;
211 160
212 if (geom == NULL) 161 if (geom == NULL)
213 return false; 162 return false;
214 163
215 char str[256]; 164 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 { 165 {
232 /* we have geometry string - let's handle it prior to applying ops */ 166 char **arr = rxvt_strsplit (':', geom);
167
168 for (int i = 0; arr[i]; i++)
169 {
170 if (!strcasecmp (arr[i], "style=tiled"))
171 {
172 new_flags = IM_TILE;
173 w = h = noScale;
174 x = y = 0;
175 geom_flags = WidthValue|HeightValue|XValue|YValue;
176 }
177 else if (!strcasecmp (arr[i], "style=aspect-stretched"))
178 {
179 new_flags = IM_KEEP_ASPECT;
180 w = h = windowScale;
181 x = y = centerAlign;
182 geom_flags = WidthValue|HeightValue|XValue|YValue;
183 }
184 else if (!strcasecmp (arr[i], "style=stretched"))
185 {
186 new_flags = 0;
187 w = h = windowScale;
188 geom_flags = WidthValue|HeightValue;
189 }
190 else if (!strcasecmp (arr[i], "style=centered"))
191 {
192 new_flags = 0;
193 w = h = noScale;
194 x = y = centerAlign;
195 geom_flags = WidthValue|HeightValue|XValue|YValue;
196 }
197 else if (!strcasecmp (arr[i], "style=root-tiled"))
198 {
199 new_flags = IM_TILE|IM_ROOT_ALIGN;
200 w = h = noScale;
201 geom_flags = WidthValue|HeightValue;
202 }
203 else if (!strcasecmp (arr[i], "op=tile"))
204 new_flags |= IM_TILE;
205 else if (!strcasecmp (arr[i], "op=keep-aspect"))
206 new_flags |= IM_KEEP_ASPECT;
207 else if (!strcasecmp (arr[i], "op=root-align"))
208 new_flags |= IM_ROOT_ALIGN;
209
210 // deprecated
211 else if (!strcasecmp (arr[i], "tile"))
212 {
213 new_flags |= IM_TILE;
214 w = h = noScale;
215 geom_flags |= WidthValue|HeightValue;
216 }
217 else if (!strcasecmp (arr[i], "propscale"))
218 {
219 new_flags |= IM_KEEP_ASPECT;
220 w = h = windowScale;
221 geom_flags |= WidthValue|HeightValue;
222 }
223 else if (!strcasecmp (arr[i], "hscale"))
224 {
225 new_flags |= IM_TILE;
226 w = windowScale;
227 h = noScale;
228 geom_flags |= WidthValue|HeightValue;
229 }
230 else if (!strcasecmp (arr[i], "vscale"))
231 {
232 new_flags |= IM_TILE;
233 h = windowScale;
234 w = noScale;
235 geom_flags |= WidthValue|HeightValue;
236 }
237 else if (!strcasecmp (arr[i], "scale"))
238 {
239 w = h = windowScale;
240 geom_flags |= WidthValue|HeightValue;
241 }
242 else if (!strcasecmp (arr[i], "auto"))
243 {
244 w = h = windowScale;
245 x = y = centerAlign;
246 geom_flags |= WidthValue|HeightValue|XValue|YValue;
247 }
248 else if (!strcasecmp (arr[i], "root"))
249 {
250 new_flags |= IM_TILE|IM_ROOT_ALIGN;
251 w = h = noScale;
252 geom_flags |= WidthValue|HeightValue;
253 }
254
255 else
233 geom_flags = XParseGeometry (str, &x, &y, &w, &h); 256 geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
234 } /* done parsing geometry string */ 257 } /* done parsing ops */
258
259 rxvt_free_strsplit (arr);
260 }
261
262 new_flags |= flags & ~IM_GEOMETRY_FLAGS;
235 263
236 if (!update) 264 if (!update)
237 { 265 {
238 if (!(geom_flags & XValue)) 266 if (!(geom_flags & XValue))
239 x = y = defaultAlign; 267 x = y = defaultAlign;
… …
244 w = h = defaultScale; 272 w = h = defaultScale;
245 else if (!(geom_flags & HeightValue)) 273 else if (!(geom_flags & HeightValue))
246 h = w; 274 h = w;
247 else if (!(geom_flags & WidthValue)) 275 else if (!(geom_flags & WidthValue))
248 w = h; 276 w = h;
249
250 geom_flags |= WidthValue|HeightValue|XValue|YValue;
251 }
252
253 if (ops)
254 { 277 }
255 char **arr = rxvt_strsplit (':', ops + 1);
256 278
257 for (int i = 0; arr[i]; i++) 279 min_it (w, 1000);
258 { 280 min_it (h, 1000);
259 if (!strcasecmp (arr[i], "tile")) 281 clamp_it (x, -100, 200);
260 { 282 clamp_it (y, -100, 200);
261 w = h = noScale;
262 geom_flags |= WidthValue|HeightValue;
263 }
264 else if (!strcasecmp (arr[i], "propscale"))
265 {
266 new_flags |= BG_PROP_SCALE;
267 }
268 else if (!strcasecmp (arr[i], "hscale"))
269 {
270 if (w == 0) w = windowScale;
271 283
272 h = noScale; 284 if (flags != new_flags
273 geom_flags |= WidthValue|HeightValue; 285 || h_scale != w
274 } 286 || v_scale != h
275 else if (!strcasecmp (arr[i], "vscale")) 287 || h_align != x
276 { 288 || v_align != y)
277 if (h == 0) h = windowScale;
278
279 w = noScale;
280 geom_flags |= WidthValue|HeightValue;
281 }
282 else if (!strcasecmp (arr[i], "scale"))
283 {
284 if (h == 0) h = windowScale;
285 if (w == 0) w = windowScale;
286
287 geom_flags |= WidthValue|HeightValue;
288 }
289 else if (!strcasecmp (arr[i], "auto"))
290 {
291 w = h = windowScale;
292 x = y = centerAlign;
293 geom_flags |= WidthValue|HeightValue|XValue|YValue;
294 }
295 else if (!strcasecmp (arr[i], "root"))
296 {
297 new_flags |= BG_ROOT_ALIGN;
298 w = h = noScale;
299 geom_flags |= WidthValue|HeightValue;
300 }
301 } /* done parsing ops */
302
303 rxvt_free_strsplit (arr);
304 } 289 {
305
306 if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
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
311 if (new_flags != bg_flags)
312 {
313 bg_flags = new_flags; 290 flags = new_flags;
291 h_scale = w;
292 v_scale = h;
293 h_align = x;
294 v_align = y;
314 changed = true; 295 changed = true;
315 } 296 }
316 297
298 if (!(flags & IM_TILE)
299 || h_scale || v_scale
300 || (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
301 flags |= IM_IS_SIZE_SENSITIVE;
302 else
303 flags &= ~IM_IS_SIZE_SENSITIVE;
304
317 return changed; 305 return changed;
318} 306}
319 307
320void 308void
321rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y) 309rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
322{ 310{
311 int image_width = image.width ();
312 int image_height = image.height ();
323 int target_width = szHint.width; 313 int target_width = szHint.width;
324 int target_height = szHint.height; 314 int target_height = szHint.height;
325 315
326 if (bg_flags & BG_PROP_SCALE) 316 w = image.h_scale * target_width / 100;
317 h = image.v_scale * target_height / 100;
318
319 if (image.flags & IM_KEEP_ASPECT)
327 { 320 {
328 float scale = (float)target_width / image_width; 321 float scale = (float)w / image_width;
329 min_it (scale, (float)target_height / image_height); 322 min_it (scale, (float)h / image_height);
330 w = image_width * scale + 0.5; 323 w = image_width * scale + 0.5;
331 h = image_height * scale + 0.5; 324 h = image_height * scale + 0.5;
332 } 325 }
333 else
334 {
335 w = h_scale * target_width / 100;
336 h = v_scale * target_height / 100;
337 }
338 326
339 if (!w) w = image_width; 327 if (!w) w = image_width;
340 if (!h) h = image_height; 328 if (!h) h = image_height;
341 329
342 if (bg_flags & BG_ROOT_ALIGN) 330 if (image.flags & IM_ROOT_ALIGN)
343 { 331 {
344 x = -target_x; 332 x = -target_x;
345 y = -target_y; 333 y = -target_y;
346 } 334 }
347 else 335 else
348 { 336 {
349 x = make_align_position (h_align, target_width, w); 337 x = make_align_position (image.h_align, target_width, w);
350 y = make_align_position (v_align, target_height, h); 338 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 { 339 }
375 ShadingInfo as_shade; 340}
376 as_shade.shading = shade;
377 341
378 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 342# ifdef HAVE_PIXBUF
379 if (bg_flags & BG_TINT_SET) 343bool
380 tint.get (c); 344rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
381 as_shade.tintColor.red = c.r; 345 int src_x, int src_y, int dst_x, int dst_y,
382 as_shade.tintColor.green = c.g; 346 unsigned int width, unsigned int height)
383 as_shade.tintColor.blue = c.b; 347{
348 XImage *ximage;
349 char *line;
350 int width_r, width_g, width_b, width_a;
351 int sh_r, sh_g, sh_b, sh_a;
352 uint32_t alpha_mask;
353 int rowstride;
354 int channels;
355 unsigned char *row;
384 356
385 background_tint = shading2tint32 (&as_shade); 357 if (visual->c_class != TrueColor)
358 return false;
359
360#if XRENDER
361 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
362 if (format)
363 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
364 else
365#endif
366 alpha_mask = 0;
367
368 width_r = ecb_popcount32 (visual->red_mask);
369 width_g = ecb_popcount32 (visual->green_mask);
370 width_b = ecb_popcount32 (visual->blue_mask);
371 width_a = ecb_popcount32 (alpha_mask);
372
373 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
374 return false;
375
376 sh_r = ecb_ctz32 (visual->red_mask);
377 sh_g = ecb_ctz32 (visual->green_mask);
378 sh_b = ecb_ctz32 (visual->blue_mask);
379 sh_a = ecb_ctz32 (alpha_mask);
380
381 if (width > 32767 || height > 32767)
382 return false;
383
384 ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
385 width, height, 32, 0);
386 if (!ximage)
387 return false;
388
389 if (height > INT_MAX / ximage->bytes_per_line
390 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
386 } 391 {
387 392 XDestroyImage (ximage);
388 if ((tr_flags & BG_NEEDS_BLUR) && background != NULL) 393 return false;
389 { 394 }
390 ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF, 395
391 (original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage, 396 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
392 100, ASIMAGE_QUALITY_DEFAULT); 397
393 if (tmp) 398 rowstride = gdk_pixbuf_get_rowstride (pixbuf);
399 channels = gdk_pixbuf_get_n_channels (pixbuf);
400 row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
401 line = ximage->data;
402
403 rgba c (0, 0, 0);
404
405 if (channels == 4 && alpha_mask == 0)
406 {
407 pix_colors[Color_bg].get (c);
408 c.r >>= 8;
409 c.g >>= 8;
410 c.b >>= 8;
411 }
412
413 for (int y = 0; y < height; y++)
414 {
415 for (int x = 0; x < width; x++)
416 {
417 unsigned char *pixel = row + x * channels;
418 uint32_t value;
419 unsigned char r, g, b, a;
420
421 if (channels == 4)
394 { 422 {
395 destroy_asimage (&background); 423 a = pixel[3];
396 background = tmp; 424 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
425 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
426 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
427 }
428 else
429 {
430 a = 0xff;
431 r = pixel[0];
432 g = pixel[1];
433 b = pixel[2];
434 }
435
436 value = ((r >> (8 - width_r)) << sh_r)
437 | ((g >> (8 - width_g)) << sh_g)
438 | ((b >> (8 - width_b)) << sh_b)
439 | ((a >> (8 - width_a)) << sh_a);
440
441 if (ximage->bits_per_pixel == 32)
442 ((uint32_t *)line)[x] = value;
443 else
444 XPutPixel (ximage, x, y, value);
397 } 445 }
398 }
399# endif
400 446
401 ASImage *result = 0; 447 row += rowstride;
448 line += ximage->bytes_per_line;
449 }
450
451 XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
452 XDestroyImage (ximage);
453 return true;
454}
455
456bool
457rxvt_term::render_image (rxvt_image &image, bool transparent)
458{
459 GdkPixbuf *pixbuf = image.pixbuf;
460 if (!pixbuf)
461 return false;
462
463 if (transparent
464 && !(bg_flags & BG_HAS_RENDER))
465 return false;
466
467 GdkPixbuf *result;
468
469 int image_width = gdk_pixbuf_get_width (pixbuf);
470 int image_height = gdk_pixbuf_get_height (pixbuf);
402 471
403 int target_width = szHint.width; 472 int target_width = szHint.width;
404 int target_height = szHint.height; 473 int target_height = szHint.height;
405 int new_pmap_width = target_width; 474 int new_pmap_width = target_width;
406 int new_pmap_height = target_height; 475 int new_pmap_height = target_height;
… …
408 int x = 0; 477 int x = 0;
409 int y = 0; 478 int y = 0;
410 int w = 0; 479 int w = 0;
411 int h = 0; 480 int h = 0;
412 481
413 if (original_asim) 482 get_image_geometry (image, w, h, x, y);
414 get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
415 483
416 if (!original_asim
417 || (!(bg_flags & BG_ROOT_ALIGN)
418 && (x >= target_width
419 || y >= target_height
420 || (x + w <= 0)
421 || (y + h <= 0))))
422 {
423 if (background)
424 {
425 new_pmap_width = background->width;
426 new_pmap_height = background->height;
427 result = background;
428
429 if (background_tint != TINT_LEAVE_SAME)
430 {
431 ASImage *tmp = tile_asimage (asv, background, 0, 0,
432 target_width, target_height, background_tint,
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 }
441 else
442 {
443 result = original_asim;
444
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
548 || bg_pmap_width != new_pmap_width
549 || bg_pmap_height != new_pmap_height)
550 {
551 if (bg_pixmap)
552 XFreePixmap (dpy, bg_pixmap);
553 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
554 bg_pmap_width = new_pmap_width;
555 bg_pmap_height = new_pmap_height;
556 }
557 /* fill with background color (if result's not completely overlapping it) */
558 gcv.foreground = pix_colors[Color_bg];
559 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
560
561 int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
562 int dst_width = result->width, dst_height = result->height;
563 if (background == NULL)
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 }
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) 484 if (!(image.flags & IM_ROOT_ALIGN)
708 && (x >= target_width 485 && (x >= target_width
709 || y >= target_height 486 || y >= target_height
710 || (x + w <= 0) 487 || x + w <= 0
711 || (y + h <= 0))) 488 || y + h <= 0))
712 return false; 489 return false;
713 490
714 result = pixbuf; 491 result = pixbuf;
715 492
716 if ((w != image_width) 493 if (w != image_width
717 || (h != image_height)) 494 || h != image_height)
718 { 495 {
719 result = gdk_pixbuf_scale_simple (pixbuf, 496 result = gdk_pixbuf_scale_simple (pixbuf,
720 w, h, 497 w, h,
721 GDK_INTERP_BILINEAR); 498 GDK_INTERP_BILINEAR);
722 } 499 }
723 500
501 if (!result)
502 return false;
503
724 bool ret = false; 504 bool ret = false;
725 505
726 if (result)
727 {
728 XGCValues gcv; 506 XGCValues gcv;
729 GC gc; 507 GC gc;
730 Pixmap root_pmap; 508 Pixmap root_pmap;
731 509
732 image_width = gdk_pixbuf_get_width (result); 510 image_width = gdk_pixbuf_get_width (result);
733 image_height = gdk_pixbuf_get_height (result); 511 image_height = gdk_pixbuf_get_height (result);
734 512
735 if (tr_flags) 513 if (transparent)
736 { 514 {
737 root_pmap = bg_pixmap; 515 root_pmap = bg_pixmap;
738 bg_pixmap = None; 516 bg_pixmap = None;
517 }
518 else
519 {
520 if (image.flags & IM_TILE)
521 {
522 new_pmap_width = min (image_width, target_width);
523 new_pmap_height = min (image_height, target_height);
739 } 524 }
740 else 525 }
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 }
748 526
749 if (bg_pixmap == None 527 if (bg_pixmap == None
750 || bg_pmap_width != new_pmap_width 528 || bg_pmap_width != new_pmap_width
751 || bg_pmap_height != new_pmap_height) 529 || bg_pmap_height != new_pmap_height)
752 { 530 {
753 if (bg_pixmap) 531 if (bg_pixmap)
754 XFreePixmap (dpy, bg_pixmap); 532 XFreePixmap (dpy, bg_pixmap);
755 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth); 533 bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756 bg_pmap_width = new_pmap_width; 534 bg_pmap_width = new_pmap_width;
757 bg_pmap_height = new_pmap_height; 535 bg_pmap_height = new_pmap_height;
758 } 536 }
759 537
760 gcv.foreground = pix_colors[Color_bg]; 538 gcv.foreground = pix_colors[Color_bg];
761 gc = XCreateGC (dpy, vt, GCForeground, &gcv); 539 gc = XCreateGC (dpy, vt, GCForeground, &gcv);
762 540
763 if (h_scale == 0 || v_scale == 0) 541 if (gc)
542 {
543 if (image.flags & IM_TILE)
764 { 544 {
765 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth); 545 Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
766 pixbuf_to_pixmap (result, tile, gc, 546 pixbuf_to_pixmap (result, tile, gc,
767 0, 0, 547 0, 0,
768 0, 0, 548 0, 0,
… …
796 dst_x, dst_y, 576 dst_x, dst_y,
797 dst_width, dst_height); 577 dst_width, dst_height);
798 } 578 }
799 579
800#if XRENDER 580#if XRENDER
801 if (tr_flags) 581 if (transparent)
802 { 582 {
803 XRenderPictureAttributes pa;
804
805 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual); 583 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
584
806 Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa); 585 Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
807 586
808 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa); 587 Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810 588
811 pa.repeat = True; 589 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);
816 590
817 if (src && dst && mask)
818 {
819 XRenderColor mask_c; 591 XRenderColor mask_c;
820 592
821 mask_c.alpha = 0x8000; 593 mask_c.alpha = 0x8000;
822 mask_c.red = 0; 594 mask_c.red =
823 mask_c.green = 0; 595 mask_c.green =
824 mask_c.blue = 0; 596 mask_c.blue = 0;
825 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1); 597 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
598
826 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height); 599 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827 }
828 600
829 XRenderFreePicture (dpy, src); 601 XRenderFreePicture (dpy, src);
830 XRenderFreePicture (dpy, dst); 602 XRenderFreePicture (dpy, dst);
831 XRenderFreePicture (dpy, mask); 603 XRenderFreePicture (dpy, mask);
832
833 XFreePixmap (dpy, root_pmap);
834 } 604 }
835#endif 605#endif
836 606
837 if (result != pixbuf)
838 g_object_unref (result);
839
840 XFreeGC (dpy, gc); 607 XFreeGC (dpy, gc);
841 608
842 ret = true; 609 ret = true;
843 } 610 }
844 611
612 if (result != pixbuf)
613 g_object_unref (result);
614
615 if (transparent)
616 XFreePixmap (dpy, root_pmap);
617
845 return ret; 618 return ret;
846} 619}
847# endif /* HAVE_PIXBUF */ 620# endif /* HAVE_PIXBUF */
848 621
849bool 622bool
850rxvt_term::bg_set_file (const char *file) 623rxvt_image::set_file (const char *file)
851{ 624{
852 if (!file || !*file) 625 if (!file || !*file)
853 return false; 626 return false;
854 627
628 bool ret = false;
855 if (const char *p = strchr (file, ';')) 629 const char *p = strchr (file, ';');
630
631 if (p)
856 { 632 {
857 size_t len = p - file; 633 size_t len = p - file;
858 char *f = rxvt_temp_buf<char> (len + 1); 634 char *f = rxvt_temp_buf<char> (len + 1);
859 memcpy (f, file, len); 635 memcpy (f, file, len);
860 f[len] = '\0'; 636 f[len] = '\0';
861 file = f; 637 file = f;
862 } 638 }
863 639
864# ifdef HAVE_AFTERIMAGE
865 if (!asimman)
866 asimman = create_generic_imageman (rs[Rs_path]);
867 ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
868 if (image)
869 {
870 if (original_asim)
871 safe_asimage_destroy (original_asim);
872 original_asim = image;
873 bg_flags |= BG_CLIENT_RENDER;
874 have_image = true;
875 return true;
876 }
877# endif
878
879# ifdef HAVE_PIXBUF 640# ifdef HAVE_PIXBUF
880 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL); 641 GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881 if (image) 642 if (image)
882 { 643 {
883 if (pixbuf) 644 if (pixbuf)
884 g_object_unref (pixbuf); 645 g_object_unref (pixbuf);
885 pixbuf = image; 646 pixbuf = image;
886 have_image = true; 647 flags |= IM_IS_SET;
887 return true; 648 ret = true;
888 } 649 }
889# endif 650# endif
890 651
652 if (ret)
653 {
654 if (p)
655 set_geometry (p + 1);
656 else
657 set_default_geometry ();
658 }
659
891 return false; 660 return ret;
892} 661}
893 662
894# endif /* BG_IMAGE_FROM_FILE */ 663# endif /* BG_IMAGE_FROM_FILE */
895 664
896# ifdef ENABLE_TRANSPARENCY 665# ifdef ENABLE_TRANSPARENCY
897bool
898rxvt_term::bg_set_transparent ()
899{
900 if (!(bg_flags & BG_IS_TRANSPARENT))
901 {
902 bg_flags |= BG_IS_TRANSPARENT;
903 return true;
904 }
905
906 return false;
907}
908
909bool 666bool
910rxvt_term::bg_set_blur (const char *geom) 667rxvt_term::bg_set_blur (const char *geom)
911{ 668{
912 bool changed = false; 669 bool changed = false;
913 unsigned int hr, vr; 670 unsigned int hr, vr;
… …
932 { 689 {
933 changed = true; 690 changed = true;
934 v_blurRadius = vr; 691 v_blurRadius = vr;
935 } 692 }
936 693
937 if (v_blurRadius == 0 && h_blurRadius == 0)
938 bg_flags &= ~BG_NEEDS_BLUR;
939 else
940 bg_flags |= BG_NEEDS_BLUR;
941
942 return changed; 694 return changed;
943} 695}
944 696
945static inline unsigned long 697bool
946compute_tint_shade_flags (rxvt_color *tint, int shade) 698rxvt_term::bg_set_tint (rxvt_color &new_tint)
947{ 699{
948 unsigned long flags = 0; 700 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 { 701 {
702 tint = new_tint;
703 bg_flags |= BG_TINT_SET;
704
705 rgba c;
954 tint->get (c); 706 tint.get (c);
955 if (!has_shade
956 && (c.r <= 0x00ff || c.r >= 0xff00) 707 if ((c.r <= 0x00ff || c.r >= 0xff00)
957 && (c.g <= 0x00ff || c.g >= 0xff00) 708 && (c.g <= 0x00ff || c.g >= 0xff00)
958 && (c.b <= 0x00ff || c.b >= 0xff00)) 709 && (c.b <= 0x00ff || c.b >= 0xff00))
959 flags |= rxvt_term::BG_TINT_BITAND; 710 bg_flags |= BG_TINT_BITAND;
960 } 711 else
712 bg_flags &= ~BG_TINT_BITAND;
961 713
962 if (has_shade || tint)
963 flags |= rxvt_term::BG_NEEDS_TINT;
964
965 return flags;
966}
967
968bool
969rxvt_term::bg_set_tint (rxvt_color &new_tint)
970{
971 if (!(bg_flags & BG_TINT_SET) || 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 & ~BG_TINT_FLAGS) | new_flags | BG_TINT_SET;
976 return true; 714 return true;
977 } 715 }
978 716
979 return false; 717 return false;
980} 718}
981 719
982bool 720bool
983rxvt_term::bg_set_shade (const char *shade_str) 721rxvt_term::bg_set_shade (const char *shade_str)
984{ 722{
985 int new_shade = (shade_str) ? atoi (shade_str) : 100; 723 int new_shade = atoi (shade_str);
986 724
987 clamp_it (new_shade, -100, 200); 725 clamp_it (new_shade, -100, 200);
988 if (new_shade < 0) 726 if (new_shade < 0)
989 new_shade = 200 - (100 + new_shade); 727 new_shade = 200 - (100 + new_shade);
990 728
991 if (new_shade != shade) 729 if (new_shade != shade)
992 { 730 {
993 unsigned long new_flags = compute_tint_shade_flags ((bg_flags & BG_TINT_SET) ? &tint : NULL, new_shade);
994 shade = new_shade; 731 shade = new_shade;
995 bg_flags = (bg_flags & ~BG_TINT_FLAGS) | new_flags;
996 return true; 732 return true;
997 } 733 }
998 734
999 return false; 735 return false;
1000} 736}
… …
1021 params[i+2] = XDoubleToFixed (kernel[i] / sum); 757 params[i+2] = XDoubleToFixed (kernel[i] / sum);
1022} 758}
1023#endif 759#endif
1024 760
1025bool 761bool
1026rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 762rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1027{ 763{
1028 bool ret = false; 764 bool ret = false;
1029#if XRENDER 765#if XRENDER
766 if (!(bg_flags & BG_HAS_RENDER_CONV))
767 return false;
768
1030 int size = max (h_blurRadius, v_blurRadius) * 2 + 1; 769 int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1031 double *kernel = (double *)malloc (size * sizeof (double)); 770 double *kernel = (double *)malloc (size * sizeof (double));
1032 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 771 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1033 772
1034 XRenderPictureAttributes pa; 773 XRenderPictureAttributes pa;
1035 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 774 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1036 775
776 pa.repeat = RepeatPad;
1037 Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 777 Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
778 Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1038 Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 779 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
780 XFreePixmap (dpy, tmp);
1039 781
1040 if (kernel && params && src && dst) 782 if (kernel && params)
1041 { 783 {
1042 if (h_blurRadius)
1043 {
1044 size = h_blurRadius * 2 + 1; 784 size = h_blurRadius * 2 + 1;
1045 get_gaussian_kernel (h_blurRadius, size, kernel, params); 785 get_gaussian_kernel (h_blurRadius, size, kernel, params);
1046 786
1047 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 787 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1048 XRenderComposite (dpy, 788 XRenderComposite (dpy,
1049 PictOpSrc, 789 PictOpSrc,
1050 src, 790 src,
1051 None, 791 None,
1052 dst, 792 dst,
1053 0, 0, 793 0, 0,
1054 0, 0, 794 0, 0,
1055 0, 0, 795 0, 0,
1056 width, height); 796 width, height);
1057 }
1058 797
1059 if (v_blurRadius) 798 ::swap (src, dst);
1060 { 799
1061 size = v_blurRadius * 2 + 1; 800 size = v_blurRadius * 2 + 1;
1062 get_gaussian_kernel (v_blurRadius, size, kernel, params); 801 get_gaussian_kernel (v_blurRadius, size, kernel, params);
1063 ::swap (params[0], params[1]); 802 ::swap (params[0], params[1]);
1064 803
1065 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 804 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1066 XRenderComposite (dpy, 805 XRenderComposite (dpy,
1067 PictOpSrc, 806 PictOpSrc,
1068 src, 807 src,
1069 None, 808 None,
1070 dst, 809 dst,
1071 0, 0, 810 0, 0,
1072 0, 0, 811 0, 0,
1073 0, 0, 812 0, 0,
1074 width, height); 813 width, height);
1075 }
1076 814
1077 ret = true; 815 ret = true;
1078 } 816 }
1079 817
1080 free (kernel); 818 free (kernel);
… …
1084#endif 822#endif
1085 return ret; 823 return ret;
1086} 824}
1087 825
1088bool 826bool
1089rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height) 827rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1090{ 828{
1091 bool ret = false; 829 bool ret = false;
1092 830
1093 if (bg_flags & BG_TINT_BITAND) 831 if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1094 { 832 {
1095 XGCValues gcv; 833 XGCValues gcv;
1096 GC gc; 834 GC gc;
1097 835
1098 /* In this case we can tint image server-side getting significant 836 /* In this case we can tint image server-side getting significant
… …
1107 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height); 845 XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1108 ret = true; 846 ret = true;
1109 XFreeGC (dpy, gc); 847 XFreeGC (dpy, gc);
1110 } 848 }
1111 } 849 }
1112 else
1113 {
1114# if XRENDER 850# if XRENDER
851 else if (bg_flags & BG_HAS_RENDER)
852 {
1115 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC); 853 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1116 854
1117 if (bg_flags & BG_TINT_SET) 855 if (bg_flags & BG_TINT_SET)
1118 tint.get (c); 856 tint.get (c);
1119 857
1120 if (shade <= 100) 858 if (shade <= 100)
1121 { 859 {
1122 c.r = (c.r * shade) / 100; 860 c.r = c.r * shade / 100;
1123 c.g = (c.g * shade) / 100; 861 c.g = c.g * shade / 100;
1124 c.b = (c.b * shade) / 100; 862 c.b = c.b * shade / 100;
1125 } 863 }
1126 else 864 else
1127 { 865 {
1128 c.r = (c.r * (200 - shade)) / 100; 866 c.r = c.r * (200 - shade) / 100;
1129 c.g = (c.g * (200 - shade)) / 100; 867 c.g = c.g * (200 - shade) / 100;
1130 c.b = (c.b * (200 - shade)) / 100; 868 c.b = c.b * (200 - shade) / 100;
1131 } 869 }
1132 870
1133 XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1134 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual); 871 XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1135 XRenderPictureAttributes pa;
1136 872
1137 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa); 873 Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1138 874
1139 pa.repeat = True; 875 Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1140 876
1141 Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32); 877 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 878
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; 879 XRenderColor mask_c;
1153 880
1154 mask_c.red = mask_c.green = mask_c.blue = 0;
1155 mask_c.alpha = 0xffff; 881 mask_c.alpha = 0xffff;
882 mask_c.red =
883 mask_c.green =
884 mask_c.blue = 0;
885 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
886
887 mask_c.alpha = 0;
888 mask_c.red = 0xffff - c.r;
889 mask_c.green = 0xffff - c.g;
890 mask_c.blue = 0xffff - c.b;
891 XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
892
893 XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
894
895 if (shade > 100)
896 {
897 mask_c.alpha = 0;
898 mask_c.red =
899 mask_c.green =
900 mask_c.blue = 0xffff * (shade - 100) / 100;
1156 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1); 901 XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1157 902
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); 903 XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1172 }
1173
1174 ret = true;
1175 } 904 }
905
906 ret = true;
1176 907
1177 XRenderFreePicture (dpy, mask_pic); 908 XRenderFreePicture (dpy, mask_pic);
1178 XRenderFreePicture (dpy, overlay_pic); 909 XRenderFreePicture (dpy, overlay_pic);
1179 XRenderFreePicture (dpy, back_pic); 910 XRenderFreePicture (dpy, back_pic);
911 }
1180# endif 912# endif
1181 }
1182 913
1183 return ret; 914 return ret;
1184} 915}
1185 916
1186/* make_transparency_pixmap() 917/*
1187 * Builds a pixmap of the same size as the terminal window that contains 918 * 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 919 * the tiled portion of the root pixmap that is supposed to be covered by
1189 * our window. 920 * our window.
1190 */ 921 */
1191unsigned long 922bool
1192rxvt_term::make_transparency_pixmap () 923rxvt_term::make_transparency_pixmap ()
1193{ 924{
1194 unsigned long result = 0; 925 bool ret = false;
1195 926
1196 /* root dimensions may change from call to call - but Display structure should 927 /* root dimensions may change from call to call - but Display structure should
1197 * be always up-to-date, so let's use it : 928 * be always up-to-date, so let's use it :
1198 */ 929 */
1199 int screen = display->screen; 930 int screen = display->screen;
… …
1235 if (root_pixmap != None && root_depth != depth) 966 if (root_pixmap != None && root_depth != depth)
1236 { 967 {
1237#if XRENDER 968#if XRENDER
1238 if (bg_flags & BG_HAS_RENDER) 969 if (bg_flags & BG_HAS_RENDER)
1239 { 970 {
1240 XRenderPictureAttributes pa; 971 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1241 972
1242 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen)); 973 XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1243 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa); 974 Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1244 975
1245 recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1246 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual); 976 XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1247 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa); 977 Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1248 978
1249 if (src && dst)
1250 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height); 979 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 980
1257 XRenderFreePicture (dpy, src); 981 XRenderFreePicture (dpy, src);
1258 XRenderFreePicture (dpy, dst); 982 XRenderFreePicture (dpy, dst);
1259 } 983 }
1260 else 984 else
1261#endif 985#endif
1262 root_pixmap = None; 986 recoded_root_pmap = None;
1263 } 987 }
1264 988
1265 if (root_pixmap == None) 989 if (recoded_root_pmap == None)
1266 return 0; 990 return 0;
1267 991
1268 if (bg_pixmap == None 992 if (bg_pixmap == None
1269 || bg_pmap_width != window_width 993 || bg_pmap_width != window_width
1270 || bg_pmap_height != window_height) 994 || bg_pmap_height != window_height)
… …
1274 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth); 998 bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1275 bg_pmap_width = window_width; 999 bg_pmap_width = window_width;
1276 bg_pmap_height = window_height; 1000 bg_pmap_height = window_height;
1277 } 1001 }
1278 1002
1279 if (bg_pixmap == None)
1280 return 0;
1281
1282 /* straightforward pixmap copy */ 1003 /* straightforward pixmap copy */
1283 while (sx < 0) sx += (int)root_width; 1004 while (sx < 0) sx += root_pmap_width;
1284 while (sy < 0) sy += (int)root_height; 1005 while (sy < 0) sy += root_pmap_height;
1285 1006
1286 gcv.tile = recoded_root_pmap; 1007 gcv.tile = recoded_root_pmap;
1287 gcv.fill_style = FillTiled; 1008 gcv.fill_style = FillTiled;
1288 gcv.ts_x_origin = -sx; 1009 gcv.ts_x_origin = -sx;
1289 gcv.ts_y_origin = -sy; 1010 gcv.ts_y_origin = -sy;
1290 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv); 1011 gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1291 1012
1292 if (gc) 1013 if (gc)
1293 { 1014 {
1294 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height); 1015 XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1295 result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS); 1016 ret = true;
1017 bool need_blur = h_blurRadius && v_blurRadius;
1018 bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1019
1020 if (!(bg_flags & BG_CLIENT_RENDER))
1021 {
1022 if (need_blur)
1023 {
1024 if (blur_pixmap (bg_pixmap, window_width, window_height))
1025 need_blur = false;
1026 }
1027 if (need_tint)
1028 {
1029 if (tint_pixmap (bg_pixmap, window_width, window_height))
1030 need_tint = false;
1031 }
1032 if (need_tint)
1033 {
1034 XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1035 if (ximage)
1036 {
1037 /* our own client-side tinting */
1038 tint_ximage (ximage);
1039
1040 XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1041 XDestroyImage (ximage);
1042 }
1043 }
1044 } /* server side rendering completed */
1045
1296 XFreeGC (dpy, gc); 1046 XFreeGC (dpy, gc);
1297
1298 if (!(bg_flags & BG_CLIENT_RENDER))
1299 {
1300 if ((bg_flags & BG_NEEDS_BLUR)
1301 && (bg_flags & BG_HAS_RENDER_CONV))
1302 {
1303 if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1304 result &= ~BG_NEEDS_BLUR;
1305 }
1306 if ((bg_flags & BG_NEEDS_TINT)
1307 && (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1308 {
1309 if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1310 result &= ~BG_NEEDS_TINT;
1311 }
1312 } /* server side rendering completed */
1313 } 1047 }
1314 1048
1315 if (recoded_root_pmap != root_pixmap) 1049 if (recoded_root_pmap != root_pixmap)
1316 XFreePixmap (dpy, recoded_root_pmap); 1050 XFreePixmap (dpy, recoded_root_pmap);
1317 1051
1318 return result; 1052 return ret;
1319} 1053}
1320 1054
1321void 1055void
1322rxvt_term::bg_set_root_pixmap () 1056rxvt_term::bg_set_root_pixmap ()
1323{ 1057{
… …
1327 1061
1328 root_pixmap = new_root_pixmap; 1062 root_pixmap = new_root_pixmap;
1329} 1063}
1330# endif /* ENABLE_TRANSPARENCY */ 1064# endif /* ENABLE_TRANSPARENCY */
1331 1065
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 1066bool
1337rxvt_term::bg_render () 1067rxvt_term::bg_render ()
1338{ 1068{
1339 unsigned long tr_flags = 0; 1069 bool transparent = false;
1340 1070
1341 bg_invalidate (); 1071 bg_invalidate ();
1342# ifdef ENABLE_TRANSPARENCY 1072# ifdef ENABLE_TRANSPARENCY
1343 if (bg_flags & BG_IS_TRANSPARENT) 1073 if (bg_flags & BG_IS_TRANSPARENT)
1344 { 1074 {
1345 /* we need to re-generate transparency pixmap in that case ! */ 1075 /* we need to re-generate transparency pixmap in that case ! */
1346 tr_flags = make_transparency_pixmap (); 1076 transparent = make_transparency_pixmap ();
1347 if (tr_flags == 0) 1077 if (transparent)
1348 return false;
1349 else if (!(tr_flags & BG_EFFECTS_FLAGS))
1350 bg_flags |= BG_IS_VALID; 1078 bg_flags |= BG_IS_VALID;
1351 } 1079 }
1352# endif 1080# endif
1353 1081
1354# ifdef BG_IMAGE_FROM_FILE 1082# ifdef BG_IMAGE_FROM_FILE
1355 if (have_image 1083 if (bg_image.flags & IM_IS_SET)
1356 || (tr_flags & BG_EFFECTS_FLAGS))
1357 { 1084 {
1358 if (render_image (tr_flags)) 1085 if (render_image (bg_image, transparent))
1359 bg_flags |= BG_IS_VALID; 1086 bg_flags |= BG_IS_VALID;
1360 }
1361# endif
1362
1363# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1364 XImage *result = NULL;
1365
1366 if (tr_flags && !(bg_flags & BG_IS_VALID))
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 & BG_NEEDS_TINT)
1375 {
1376 rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1377 if (bg_flags & BG_TINT_SET)
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 |= BG_IS_VALID;
1390 }
1391
1392 XDestroyImage (result);
1393 } 1087 }
1394# endif 1088# endif
1395 1089
1396 if (!(bg_flags & BG_IS_VALID)) 1090 if (!(bg_flags & BG_IS_VALID))
1397 { 1091 {
… …
1434#endif 1128#endif
1435} 1129}
1436 1130
1437#endif /* HAVE_BG_PIXMAP */ 1131#endif /* HAVE_BG_PIXMAP */
1438 1132
1439#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) 1133#ifdef ENABLE_TRANSPARENCY
1440/* taken from aterm-0.4.2 */ 1134/* based on code from aterm-0.4.2 */
1441 1135
1442static void 1136static inline void
1443shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c) 1137fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1444{ 1138{
1139 for (int i = 0; i <= mask >> sh; i++)
1140 {
1141 uint32_t tmp;
1142 tmp = i * high;
1143 tmp += (mask >> sh) * low;
1144 lookup[i] = (tmp / 0xffff) << sh;
1145 }
1146}
1147
1148void
1149rxvt_term::tint_ximage (XImage *ximage)
1150{
1151 unsigned int size_r, size_g, size_b;
1445 int sh_r, sh_g, sh_b; 1152 int sh_r, sh_g, sh_b;
1446 uint32_t mask_r, mask_g, mask_b; 1153 uint32_t mask_r, mask_g, mask_b;
1447 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b; 1154 uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1448 rgba low; 1155 unsigned short low;
1449 rgba high;
1450 int i;
1451 int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst; 1156 int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1452 1157
1453 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return; 1158 if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1454 1159
1455 /* for convenience */ 1160 /* for convenience */
1456 mask_r = visual->red_mask; 1161 mask_r = visual->red_mask;
1457 mask_g = visual->green_mask; 1162 mask_g = visual->green_mask;
1458 mask_b = visual->blue_mask; 1163 mask_b = visual->blue_mask;
1459 1164
1460 /* boring lookup table pre-initialization */ 1165 /* boring lookup table pre-initialization */
1461 switch (ximage->depth) 1166 sh_r = ecb_ctz32 (mask_r);
1462 { 1167 sh_g = ecb_ctz32 (mask_g);
1463 case 15: 1168 sh_b = ecb_ctz32 (mask_b);
1464 if ((mask_r != 0x7c00) || 1169
1465 (mask_g != 0x03e0) || 1170 size_r = mask_r >> sh_r;
1466 (mask_b != 0x001f)) 1171 size_g = mask_g >> sh_g;
1172 size_b = mask_b >> sh_b;
1173
1174 if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1467 return; 1175 return;
1468 lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32)); 1176
1177 lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1469 lookup_r = lookup; 1178 lookup_r = lookup;
1470 lookup_g = lookup+32; 1179 lookup_g = lookup + size_r;
1471 lookup_b = lookup+32+32; 1180 lookup_b = lookup + size_r + size_g;
1472 sh_r = 10; 1181
1473 sh_g = 5; 1182 rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1474 sh_b = 0; 1183
1475 break; 1184 if (bg_flags & BG_TINT_SET)
1476 case 16: 1185 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 1186
1519 /* prepare limits for color transformation (each channel is handled separately) */ 1187 /* prepare limits for color transformation (each channel is handled separately) */
1520 if (shade > 100) 1188 if (shade > 100)
1521 { 1189 {
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; 1190 c.r = c.r * (200 - shade) / 100;
1529 low.g = 65535 * (100 - shade) / 100; 1191 c.g = c.g * (200 - shade) / 100;
1530 low.b = 65535 * (100 - shade) / 100; 1192 c.b = c.b * (200 - shade) / 100;
1193
1194 low = 0xffff * (shade - 100) / 100;
1531 } 1195 }
1532 else 1196 else
1533 { 1197 {
1534 high.r = c.r * shade / 100; 1198 c.r = c.r * shade / 100;
1535 high.g = c.g * shade / 100; 1199 c.g = c.g * shade / 100;
1536 high.b = c.b * shade / 100; 1200 c.b = c.b * shade / 100;
1537 1201
1538 low.r = low.g = low.b = 0; 1202 low = 0;
1539 } 1203 }
1540 1204
1541 /* fill our lookup tables */ 1205 /* fill our lookup tables */
1542 for (i = 0; i <= mask_r>>sh_r; i++) 1206 fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1543 { 1207 fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1544 uint32_t tmp; 1208 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 1209
1564 /* apply table to input image (replacing colors by newly calculated ones) */ 1210 /* apply table to input image (replacing colors by newly calculated ones) */
1565 if (ximage->bits_per_pixel == 32 1211 if (ximage->bits_per_pixel == 32
1566 && (ximage->depth == 24 || ximage->depth == 32)
1567 && ximage->byte_order == host_byte_order) 1212 && ximage->byte_order == host_byte_order)
1568 { 1213 {
1569 uint32_t *p1, *pf, *p, *pl; 1214 char *line = ximage->data;
1570 p1 = (uint32_t *) ximage->data;
1571 pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1572 1215
1573 while (p1 < pf) 1216 for (int y = 0; y < ximage->height; y++)
1574 {
1575 p = p1;
1576 pl = p1 + ximage->width;
1577 for (; p < pl; p++)
1578 { 1217 {
1579 *p = lookup_r[(*p & 0xff0000) >> 16] | 1218 uint32_t *p = (uint32_t *)line;
1580 lookup_g[(*p & 0x00ff00) >> 8] | 1219 for (int x = 0; x < ximage->width; x++)
1581 lookup_b[(*p & 0x0000ff)] |
1582 (*p & 0xff000000);
1583 } 1220 {
1584 p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line); 1221 *p = lookup_r[(*p & mask_r) >> sh_r] |
1222 lookup_g[(*p & mask_g) >> sh_g] |
1223 lookup_b[(*p & mask_b) >> sh_b];
1224 p++;
1225 }
1226 line += ximage->bytes_per_line;
1585 } 1227 }
1586 } 1228 }
1587 else 1229 else
1588 { 1230 {
1589 for (int y = 0; y < ximage->height; y++) 1231 for (int y = 0; y < ximage->height; y++)
… …
1597 } 1239 }
1598 } 1240 }
1599 1241
1600 free (lookup); 1242 free (lookup);
1601} 1243}
1602#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */ 1244#endif /* ENABLE_TRANSPARENCY */

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