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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.18 by sf-exg, Tue Jun 5 12:30:37 2012 UTC vs.
Revision 1.34 by root, Thu Jun 7 08:36:09 2012 UTC

2#include "../config.h" 2#include "../config.h"
3#include "rxvt.h" 3#include "rxvt.h"
4 4
5#if HAVE_IMG 5#if HAVE_IMG
6 6
7#define float_to_component(d) ((d) * 65535.99)
8
9rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) 7rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height)
10: s(screen), w(width), h(height), format(format), shared(false) 8: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(RepeatNormal),
9 pm(0), ref(0)
11{ 10{
12 pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
13} 11}
14 12
13rxvt_img::rxvt_img (const rxvt_img &img)
14: s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref)
15{
16 ++ref->cnt;
17}
18
19#if 0
15rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) 20rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap)
16: s(screen), pm(pixmap), w(width), h(height), format(format), shared(false) 21: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap)
17{ 22{
23}
24#endif
25
26rxvt_img *
27rxvt_img::new_from_root (rxvt_screen *s)
28{
29 Display *dpy = s->display->dpy;
30 unsigned int root_pm_w, root_pm_h;
31 Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]);
32 if (root_pixmap == None)
33 root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]);
34
35 if (root_pixmap == None)
36 return 0;
37
38 Window wdummy;
39 int idummy;
40 unsigned int udummy;
41
42 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy))
43 return 0;
44
45 rxvt_img *img = new rxvt_img (
46 s,
47 XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
48 0,
49 0,
50 root_pm_w,
51 root_pm_h
52 );
53
54 img->pm = root_pixmap;
55 img->ref = new pixref (root_pm_w, root_pm_h);
56 img->ref->ours = false;
57
58 return img;
18} 59}
19 60
20rxvt_img * 61rxvt_img *
21rxvt_img::new_from_file (rxvt_screen *s, const char *filename) 62rxvt_img::new_from_file (rxvt_screen *s, const char *filename)
22{ 63{
27 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); 68 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
28 69
29 rxvt_img *img = new rxvt_img ( 70 rxvt_img *img = new rxvt_img (
30 s, 71 s,
31 XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), 72 XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),
73 0,
74 0,
32 gdk_pixbuf_get_width (pb), 75 gdk_pixbuf_get_width (pb),
33 gdk_pixbuf_get_height (pb) 76 gdk_pixbuf_get_height (pb)
34 ); 77 );
35 78 img->alloc ();
36 img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); 79 img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);
37 80
81 g_object_unref (pb);
82
83 return img;
84}
85
86void
87rxvt_img::destroy ()
88{
89 if (--ref->cnt)
38 return img; 90 return;
91
92 if (pm && ref->ours)
93 XFreePixmap (s->display->dpy, pm);
94
95 delete ref;
39} 96}
40 97
41rxvt_img::~rxvt_img () 98rxvt_img::~rxvt_img ()
42{ 99{
43 if (!shared) 100 destroy ();
44 XFreePixmap (s->display->dpy, pm); 101}
102
103void
104rxvt_img::alloc ()
105{
106 pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
107 ref = new pixref (w, h);
108}
109
110Picture
111rxvt_img::src_picture ()
112{
113 Display *dpy = s->display->dpy;
114
115 XRenderPictureAttributes pa;
116 pa.repeat = repeat;
117 Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
118
119 XRectangle clip = { -x, -y, min (w, ref->w), min (h, ref->h) };
120 XRenderSetPictureClipRectangles (dpy, pic, 0, 0, &clip, 1);
121
122 return pic;
45} 123}
46 124
47void 125void
48rxvt_img::unshare () 126rxvt_img::unshare ()
49{ 127{
50 if (!shared) 128 if (ref->cnt == 1 && ref->ours)
51 return; 129 return;
52 130
53 rxvt_img *img = clone (); 131 //TODO: maybe should reify instead
132 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
133 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
134 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
135 XFreeGC (s->display->dpy, gc);
54 136
55 ::swap (pm , img->pm); 137 destroy ();
56 ::swap (shared, img->shared);
57 138
58 delete img; 139 pm = pm2;
140 ref = new pixref (ref->w, ref->h);
59} 141}
60 142
61void 143void
62rxvt_img::fill (const rxvt_color &c) 144rxvt_img::fill (const rxvt_color &c)
63{ 145{
87 169
88 for (int i = 0; i < width; i++) 170 for (int i = 0; i < width; i++)
89 params[i+2] = XDoubleToFixed (kernel[i] / sum); 171 params[i+2] = XDoubleToFixed (kernel[i] / sum);
90} 172}
91 173
92void 174rxvt_img *
93rxvt_img::blur (int rh, int rv) 175rxvt_img::blur (int rh, int rv)
94{ 176{
95 if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) 177 if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96 return; 178 return clone ();
97 179
98 Display *dpy = s->display->dpy; 180 Display *dpy = s->display->dpy;
99 int size = max (rh, rv) * 2 + 1; 181 int size = max (rh, rv) * 2 + 1;
100 double *kernel = (double *)malloc (size * sizeof (double)); 182 double *kernel = (double *)malloc (size * sizeof (double));
101 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 183 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
184 rxvt_img *img = new rxvt_img (s, format, x, y, w, h);
185 img->alloc ();
186
187 Picture src = src_picture ();
102 188
103 XRenderPictureAttributes pa; 189 XRenderPictureAttributes pa;
104
105 pa.repeat = RepeatPad; 190 pa.repeat = RepeatPad;
106 Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); 191 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
192
107 Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth); 193 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa); 194 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109 XFreePixmap (dpy, tmp); 195 XFreePixmap (dpy, tmp_pm);
110 196
111 if (kernel && params) 197 if (kernel && params)
112 { 198 {
113 size = rh * 2 + 1; 199 size = rh * 2 + 1;
114 get_gaussian_kernel (rh, size, kernel, params); 200 get_gaussian_kernel (rh, size, kernel, params);
116 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 202 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117 XRenderComposite (dpy, 203 XRenderComposite (dpy,
118 PictOpSrc, 204 PictOpSrc,
119 src, 205 src,
120 None, 206 None,
121 dst, 207 tmp,
122 0, 0, 208 0, 0,
123 0, 0, 209 0, 0,
124 0, 0, 210 0, 0,
125 w, h); 211 w, h);
126 212
127 ::swap (src, dst);
128
129 size = rv * 2 + 1; 213 size = rv * 2 + 1;
130 get_gaussian_kernel (rv, size, kernel, params); 214 get_gaussian_kernel (rv, size, kernel, params);
131 ::swap (params[0], params[1]); 215 ::swap (params[0], params[1]);
132 216
133 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 217 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134 XRenderComposite (dpy, 218 XRenderComposite (dpy,
135 PictOpSrc, 219 PictOpSrc,
136 src, 220 tmp,
137 None, 221 None,
138 dst, 222 dst,
139 0, 0, 223 0, 0,
140 0, 0, 224 0, 0,
141 0, 0, 225 0, 0,
144 228
145 free (kernel); 229 free (kernel);
146 free (params); 230 free (params);
147 XRenderFreePicture (dpy, src); 231 XRenderFreePicture (dpy, src);
148 XRenderFreePicture (dpy, dst); 232 XRenderFreePicture (dpy, dst);
233 XRenderFreePicture (dpy, tmp);
234
235 return img;
149} 236}
150 237
151static Picture 238static Picture
152create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) 239create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153{ 240{
162 249
163 return mask; 250 return mask;
164} 251}
165 252
166void 253void
167rxvt_img::brightness (double r, double g, double b, double a) 254rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
168{ 255{
169 Display *dpy = s->display->dpy; 256 Display *dpy = s->display->dpy;
170 Picture src = create_xrender_mask (dpy, pm, True); 257 Picture src = create_xrender_mask (dpy, pm, True);
171 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 258 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172 259
173 XRenderColor mask_c; 260 XRenderColor mask_c;
174 mask_c.red = float_to_component (r); 261 mask_c.red = r;
175 mask_c.green = float_to_component (g); 262 mask_c.green = g;
176 mask_c.blue = float_to_component (b); 263 mask_c.blue = b;
177 mask_c.alpha = float_to_component (a); 264 mask_c.alpha = a;
178 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 265 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179 266
180 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 267 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
268
269 XRenderFreePicture (dpy, src);
270 XRenderFreePicture (dpy, dst);
181} 271}
182 272
183void 273void
184rxvt_img::contrast (double r, double g, double b, double a) 274rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
185{ 275{
186 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 276 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
187 return; 277 return;
188 278
189 Display *dpy = s->display->dpy; 279 Display *dpy = s->display->dpy;
190 Picture src = create_xrender_mask (dpy, pm, True); 280 Picture src = create_xrender_mask (dpy, pm, True);
191 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 281 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192 282
193 XRenderColor mask_c; 283 XRenderColor mask_c;
194 mask_c.red = float_to_component (r); 284 mask_c.red = r;
195 mask_c.green = float_to_component (g); 285 mask_c.green = g;
196 mask_c.blue = float_to_component (b); 286 mask_c.blue = b;
197 mask_c.alpha = float_to_component (a); 287 mask_c.alpha = a;
198 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 288 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199 289
200 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 290 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
291
292 XRenderFreePicture (dpy, src);
293 XRenderFreePicture (dpy, dst);
201} 294}
202 295
203bool 296bool
204rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) 297rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)
205{ 298{
249 342
250 int rowstride = gdk_pixbuf_get_rowstride (pixbuf); 343 int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
251 int channels = gdk_pixbuf_get_n_channels (pixbuf); 344 int channels = gdk_pixbuf_get_n_channels (pixbuf);
252 unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; 345 unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
253 char *line = ximage->data; 346 char *line = ximage->data;
254
255 rgba c (0, 0, 0);
256
257 if (channels == 4 && alpha_mask == 0)
258 {
259 //pix_colors[Color_bg].get (c);
260 //TODO
261 c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D
262 c.r >>= 8;
263 c.g >>= 8;
264 c.b >>= 8;
265 }
266 347
267 for (int y = 0; y < height; y++) 348 for (int y = 0; y < height; y++)
268 { 349 {
269 for (int x = 0; x < width; x++) 350 for (int x = 0; x < width; x++)
270 { 351 {
273 unsigned char r, g, b, a; 354 unsigned char r, g, b, a;
274 355
275 if (channels == 4) 356 if (channels == 4)
276 { 357 {
277 a = pixel[3]; 358 a = pixel[3];
278 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; 359 r = pixel[0] * a / 0xff;
279 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; 360 g = pixel[1] * a / 0xff;
280 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; 361 b = pixel[2] * a / 0xff;
281 } 362 }
282 else 363 else
283 { 364 {
284 a = 0xff; 365 a = 0xff;
285 r = pixel[0]; 366 r = pixel[0];
310} 391}
311 392
312rxvt_img * 393rxvt_img *
313rxvt_img::clone () 394rxvt_img::clone ()
314{ 395{
315 GC gc = XCreateGC (s->display->dpy, pm, 0, 0); 396 return new rxvt_img (*this);
316 Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth);
317 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0);
318 XFreeGC (s->display->dpy, gc);
319 return new rxvt_img (s, format, w, h, pm2);
320} 397}
321 398
322rxvt_img * 399rxvt_img *
400rxvt_img::reify ()
401{
402 rxvt_img *img = new rxvt_img (s, format, 0, 0, w, h);
403 img->alloc ();
404
405 // todo, if x==0 and y==0 and w==real width we could clone
406 // but that involves an rtt to find pixmap width.
407
408 Display *dpy = s->display->dpy;
409
410 Picture src = src_picture ();
411 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
412
413 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
414
415 XRenderFreePicture (dpy, src);
416 XRenderFreePicture (dpy, dst);
417
418 return img;
419}
420
421rxvt_img *
422rxvt_img::sub_rect (int x, int y, int width, int height)
423{
424 rxvt_img *img = clone ();
425
426 //TODO: width > w, must reify
427
428 img->x += x;
429 img->y += y;
430 img->w = width;
431 img->h = height;
432
433 return img;
434}
435
436rxvt_img *
323rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9]) 437rxvt_img::transform (int new_width, int new_height, double matrix[9])
324{ 438{
325 rxvt_img *img = new rxvt_img (s, format, new_width, new_height); 439 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height);
440 img->alloc ();
326 441
327 Display *dpy = s->display->dpy; 442 Display *dpy = s->display->dpy;
328 XRenderPictureAttributes pa; 443 Picture src = src_picture ();
329 pa.repeat = repeat;
330 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
331 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 444 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
332 445
333 XTransform xfrm; 446 XTransform xfrm;
334 447
335 for (int i = 0; i < 3; ++i) 448 for (int i = 0; i < 3; ++i)
336 for (int j = 0; j < 3; ++j) 449 for (int j = 0; j < 3; ++j)
337 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 450 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
451
452 xfrm.matrix [0][2] += XDoubleToFixed (x);//TODO
453 xfrm.matrix [0][3] += XDoubleToFixed (y);
338 454
339 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 455 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
340 XRenderSetPictureTransform (dpy, src, &xfrm); 456 XRenderSetPictureTransform (dpy, src, &xfrm);
341 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 457 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
342 458
353 w / (double)new_width, 0, 0, 469 w / (double)new_width, 0, 0,
354 0, h / (double)new_height, 0, 470 0, h / (double)new_height, 0,
355 0, 0, 1 471 0, 0, 1
356 }; 472 };
357 473
358 return transform (new_width, new_height, RepeatNormal, matrix); 474 return transform (new_width, new_height, matrix);
359} 475}
360 476
361rxvt_img * 477rxvt_img *
362rxvt_img::rotate (int new_width, int new_height, int repeat, int x, int y, double phi) 478rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
363{ 479{
364 double s = sin (phi); 480 double s = sin (phi);
365 double c = cos (phi); 481 double c = cos (phi);
366 482
367 double matrix[9] = { 483 double matrix[9] = {
368 c, -s, -c * x + s * y + x, 484 c, -s, -c * x + s * y + x,
369 s, c, -s * x - c * y + y, 485 s, c, -s * x - c * y + y,
370 0, 0, 1 486 0, 0, 1
371 }; 487 };
372 488
373 return transform (new_width, new_height, repeat, matrix); 489 return transform (new_width, new_height, matrix);
374} 490}
375 491
376rxvt_img * 492rxvt_img *
377rxvt_img::convert_to (XRenderPictFormat *new_format) 493rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg)
378{ 494{
495 if (new_format == format)
496 return clone ();
497
379 rxvt_img *img = new rxvt_img (s, new_format, w, h); 498 rxvt_img *img = new rxvt_img (s, new_format, 0, 0, w, h);
499 img->alloc ();
380 500
381 Display *dpy = s->display->dpy; 501 Display *dpy = s->display->dpy;
382 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 502 Picture src = src_picture ();
383 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 503 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
504 int op = PictOpSrc;
384 505
506 if (format->direct.alphaMask && !new_format->direct.alphaMask)
507 {
508 // does it have to be that complicated
509 rgba c;
510 bg.get (c);
511
512 XRenderColor rc = { c.r, c.g, c.b, 0xffff };
513 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
514
515 op = PictOpOver;
516 }
517
385 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 518 XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
386 519
387 XRenderFreePicture (dpy, src);
388 XRenderFreePicture (dpy, dst); 520 XRenderFreePicture (dpy, src);
521 XRenderFreePicture (dpy, dst);
389 522
523 return img;
524}
525
526rxvt_img *
527rxvt_img::blend (rxvt_img *img, double factor)
528{
529 rxvt_img *img2 = clone ();
530 Display *dpy = s->display->dpy;
531 Picture src = src_picture ();
532 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
533 Picture mask = create_xrender_mask (dpy, img->pm, False);
534
535 XRenderColor mask_c;
536
537 mask_c.alpha = float_to_component (factor);
538 mask_c.red =
539 mask_c.green =
540 mask_c.blue = 0;
541 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
542
543 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
544
545 XRenderFreePicture (dpy, src);
546 XRenderFreePicture (dpy, dst);
547 XRenderFreePicture (dpy, mask);
548
390 return img; 549 return img2;
391} 550}
392 551
393#endif 552#endif
394 553

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