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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.28 by root, Wed Jun 6 20:22:03 2012 UTC vs.
Revision 1.51 by root, Thu Jun 7 20:04:54 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, int repeat)
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(repeat),
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{
18} 23}
24#endif
19 25
20rxvt_img * 26rxvt_img *
21rxvt_img::new_from_root (rxvt_screen *s) 27rxvt_img::new_from_root (rxvt_screen *s)
22{ 28{
23 Display *dpy = s->display->dpy; 29 Display *dpy = s->display->dpy;
… …
37 return 0; 43 return 0;
38 44
39 rxvt_img *img = new rxvt_img ( 45 rxvt_img *img = new rxvt_img (
40 s, 46 s,
41 XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), 47 XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
48 0,
49 0,
42 root_pm_w, 50 root_pm_w,
43 root_pm_h, 51 root_pm_h
44 root_pixmap
45 ); 52 );
46 53
47 img->shared = true; 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;
59}
60
61rxvt_img *
62rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb)
63{
64 Display *dpy = s->display->dpy;
65
66 int width = gdk_pixbuf_get_width (pb);
67 int height = gdk_pixbuf_get_height (pb);
68
69 if (width > 32767 || height > 32767) // well, we *could* upload in chunks
70 rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n");
71
72 // since we require rgb24/argb32 formats from xrender we assume
73 // that both 24 and 32 bpp MUST be supported by any screen that supports xrender
74 int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24;
75
76 XImage xi;
77
78 xi.width = width;
79 xi.height = height;
80 xi.xoffset = 0;
81 xi.format = ZPixmap;
82 xi.byte_order = LSBFirst; // maybe go for host byte order, because servers are usually local?
83 xi.bitmap_unit = 32; //XY only, unused
84 xi.bitmap_bit_order = LSBFirst; //XY only, unused
85 xi.bitmap_pad = BitmapPad (dpy);
86 xi.depth = depth;
87 xi.bytes_per_line = 0;
88 xi.bits_per_pixel = 32; //Z only
89 xi.red_mask = 0x000000ff; //Z only
90 xi.green_mask = 0x0000ff00; //Z only
91 xi.blue_mask = 0x00ff0000; //Z only
92 xi.obdata = 0; // probbaly unused
93
94 if (!XInitImage (&xi))
95 rxvt_fatal ("unable to initialise ximage, please report.\n");
96
97 if (height > INT_MAX / xi.bytes_per_line)
98 rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n");
99
100 xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line);
101
102 int rowstride = gdk_pixbuf_get_rowstride (pb);
103
104 assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb));
105 unsigned char *row = gdk_pixbuf_get_pixels (pb);
106 char *line = xi.data;
107
108 for (int y = 0; y < height; y++)
109 {
110 unsigned char *src = row;
111 uint32_t *dst = (uint32_t *)line;
112
113 if (depth == 24)
114 for (int x = 0; x < width; x++)
115 {
116 uint8_t r = *src++;
117 uint8_t g = *src++;
118 uint8_t b = *src++;
119
120 uint32_t v = r | (g << 8) | (b << 16);
121
122 if (ecb_big_endian ())
123 v = ecb_bswap32 (v);
124
125 *dst++ = v;
126 }
127 else
128 for (int x = 0; x < width; x++)
129 {
130 uint32_t v = *(uint32_t *)src; src += 4;
131
132 if (ecb_big_endian ())
133 v = ecb_bswap32 (v);
134
135 *dst++ = v;
136 }
137
138 row += rowstride;
139 line += xi.bytes_per_line;
140 }
141
142 rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height);
143 img->alloc ();
144
145 GC gc = XCreateGC (dpy, img->pm, 0, 0);
146 XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height);
147 XFreeGC (dpy, gc);
148
149 free (xi.data);
48 150
49 return img; 151 return img;
50} 152}
51 153
52rxvt_img * 154rxvt_img *
… …
56 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); 158 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
57 159
58 if (!pb) 160 if (!pb)
59 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); 161 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
60 162
61 rxvt_img *img = new rxvt_img ( 163 rxvt_img *img = new_from_pixbuf (s, pb);
62 s,
63 XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),
64 gdk_pixbuf_get_width (pb),
65 gdk_pixbuf_get_height (pb)
66 );
67
68 img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);
69 164
70 g_object_unref (pb); 165 g_object_unref (pb);
71 166
72 return img; 167 return img;
73} 168}
74 169
170void
171rxvt_img::destroy ()
172{
173 if (--ref->cnt)
174 return;
175
176 if (pm && ref->ours)
177 XFreePixmap (s->display->dpy, pm);
178
179 delete ref;
180}
181
75rxvt_img::~rxvt_img () 182rxvt_img::~rxvt_img ()
76{ 183{
77 if (!shared) 184 destroy ();
78 XFreePixmap (s->display->dpy, pm); 185}
186
187void
188rxvt_img::alloc ()
189{
190 pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
191 ref = new pixref (w, h);
192}
193
194Picture
195rxvt_img::src_picture ()
196{
197 Display *dpy = s->display->dpy;
198
199 XRenderPictureAttributes pa;
200 pa.repeat = repeat;
201 Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
202
203 return pic;
79} 204}
80 205
81void 206void
82rxvt_img::unshare () 207rxvt_img::unshare ()
83{ 208{
84 if (!shared) 209 if (ref->cnt == 1 && ref->ours)
85 return; 210 return;
86 211
87 rxvt_img *img = clone (); 212 //TODO: maybe should reify instead
213 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
214 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
215 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
216 XFreeGC (s->display->dpy, gc);
88 217
89 ::swap (pm , img->pm); 218 destroy ();
90 ::swap (shared, img->shared);
91 219
92 delete img; 220 pm = pm2;
221 ref = new pixref (ref->w, ref->h);
93} 222}
94 223
95void 224void
96rxvt_img::fill (const rxvt_color &c) 225rxvt_img::fill (const rxvt_color &c)
97{ 226{
… …
131 260
132 Display *dpy = s->display->dpy; 261 Display *dpy = s->display->dpy;
133 int size = max (rh, rv) * 2 + 1; 262 int size = max (rh, rv) * 2 + 1;
134 double *kernel = (double *)malloc (size * sizeof (double)); 263 double *kernel = (double *)malloc (size * sizeof (double));
135 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 264 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
136 rxvt_img *img = new rxvt_img (s, format, w, h); 265 rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
266 img->alloc ();
267
268 Picture src = src_picture ();
137 269
138 XRenderPictureAttributes pa; 270 XRenderPictureAttributes pa;
139
140 pa.repeat = RepeatPad; 271 pa.repeat = RepeatPad;
141 Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa);
142 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); 272 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
143 273
144 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); 274 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
145 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); 275 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
146 XFreePixmap (dpy, tmp_pm); 276 XFreePixmap (dpy, tmp_pm);
… …
200 330
201 return mask; 331 return mask;
202} 332}
203 333
204void 334void
205rxvt_img::brightness (double r, double g, double b, double a) 335rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
206{ 336{
207 Display *dpy = s->display->dpy; 337 Display *dpy = s->display->dpy;
208 Picture src = create_xrender_mask (dpy, pm, True); 338 Picture src = create_xrender_mask (dpy, pm, True);
209 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 339 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
210 340
211 XRenderColor mask_c; 341 XRenderColor mask_c;
212 mask_c.red = float_to_component (r); 342 mask_c.red = r;
213 mask_c.green = float_to_component (g); 343 mask_c.green = g;
214 mask_c.blue = float_to_component (b); 344 mask_c.blue = b;
215 mask_c.alpha = float_to_component (a); 345 mask_c.alpha = a;
216 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 346 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
217 347
218 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 348 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
219 349
220 XRenderFreePicture (dpy, src); 350 XRenderFreePicture (dpy, src);
221 XRenderFreePicture (dpy, dst); 351 XRenderFreePicture (dpy, dst);
222} 352}
223 353
224void 354void
225rxvt_img::contrast (double r, double g, double b, double a) 355rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
226{ 356{
227 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 357 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
228 return; 358 return;
229 359
230 Display *dpy = s->display->dpy; 360 Display *dpy = s->display->dpy;
231 Picture src = create_xrender_mask (dpy, pm, True); 361 Picture src = create_xrender_mask (dpy, pm, True);
232 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 362 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
233 363
234 XRenderColor mask_c; 364 XRenderColor mask_c;
235 mask_c.red = float_to_component (r); 365 mask_c.red = r;
236 mask_c.green = float_to_component (g); 366 mask_c.green = g;
237 mask_c.blue = float_to_component (b); 367 mask_c.blue = b;
238 mask_c.alpha = float_to_component (a); 368 mask_c.alpha = a;
239 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 369 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
240 370
241 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 371 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
242 372
243 XRenderFreePicture (dpy, src); 373 XRenderFreePicture (dpy, src);
244 XRenderFreePicture (dpy, dst); 374 XRenderFreePicture (dpy, dst);
245} 375}
246 376
247bool 377rxvt_img *
248rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) 378rxvt_img::clone ()
249{ 379{
250 Display *dpy = s->display->dpy; 380 return new rxvt_img (*this);
381}
251 382
252 if (s->visual->c_class != TrueColor) 383static XRenderPictFormat *
384find_alpha_format_for (Display *dpy, XRenderPictFormat *format)
385{
386 if (format->direct.alphaMask)
387 return format; // already has alpha
388
389 // try to find a suitable alpha format, one bit alpha is enough for our purposes
390 if (format->type == PictTypeDirect)
391 for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
392 if (f->direct.alphaMask
393 && f->type == PictTypeDirect
394 && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
395 && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
396 && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
253 return false; 397 return f;
254 398
255 uint32_t red_mask, green_mask, blue_mask, alpha_mask; 399 // should be a very good fallback
400 return XRenderFindStandardFormat (dpy, PictStandardARGB32);
401}
256 402
257 red_mask = (uint32_t)format->direct.redMask << format->direct.red; 403rxvt_img *
258 green_mask = (uint32_t)format->direct.greenMask << format->direct.green; 404rxvt_img::reify ()
259 blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; 405{
260 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; 406 if (x == 0 && y == 0 && w == ref->w && h == ref->h)
261
262 int width_r = ecb_popcount32 (red_mask);
263 int width_g = ecb_popcount32 (green_mask);
264 int width_b = ecb_popcount32 (blue_mask);
265 int width_a = ecb_popcount32 (alpha_mask);
266
267 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
268 return false; 407 return clone ();
269 408
270 int sh_r = ecb_ctz32 (red_mask); 409 Display *dpy = s->display->dpy;
271 int sh_g = ecb_ctz32 (green_mask);
272 int sh_b = ecb_ctz32 (blue_mask);
273 int sh_a = ecb_ctz32 (alpha_mask);
274 410
275 if (width > 32767 || height > 32767) 411 bool alpha = !format->direct.alphaMask
276 return false; 412 && (x || y)
413 && repeat == RepeatNone;
277 414
278 XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, 415 rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
279 width, height, 32, 0); 416 img->alloc ();
280 if (!ximage)
281 return false;
282 417
283 if (height > INT_MAX / ximage->bytes_per_line 418 Picture src = src_picture ();
284 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) 419 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
420
421 if (alpha)
285 { 422 {
286 XDestroyImage (ximage); 423 XRenderColor rc = { 0, 0, 0, 0 };
287 return false; 424 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
425 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
288 } 426 }
427 else
428 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
289 429
290 GC gc = XCreateGC (dpy, pm, 0, 0); 430 XRenderFreePicture (dpy, src);
431 XRenderFreePicture (dpy, dst);
291 432
292 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 433 return img;
434}
293 435
294 int rowstride = gdk_pixbuf_get_rowstride (pixbuf); 436rxvt_img *
295 int channels = gdk_pixbuf_get_n_channels (pixbuf); 437rxvt_img::sub_rect (int x, int y, int width, int height)
296 unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; 438{
297 char *line = ximage->data; 439 rxvt_img *img = clone ();
298 440
299 for (int y = 0; y < height; y++) 441 img->x += x;
442 img->y += y;
443
444 if (w != width || h != height)
300 { 445 {
301 for (int x = 0; x < width; x++) 446 img->w = width;
302 { 447 img->h = height;
303 unsigned char *pixel = row + x * channels;
304 uint32_t value;
305 unsigned char r, g, b, a;
306 448
307 if (channels == 4) 449 rxvt_img *img2 = img->reify ();
308 { 450 delete img;
309 a = pixel[3]; 451 img = img2;
310 r = pixel[0] * a / 0xff;
311 g = pixel[1] * a / 0xff;
312 b = pixel[2] * a / 0xff;
313 }
314 else
315 {
316 a = 0xff;
317 r = pixel[0];
318 g = pixel[1];
319 b = pixel[2];
320 }
321
322 value = ((r >> (8 - width_r)) << sh_r)
323 | ((g >> (8 - width_g)) << sh_g)
324 | ((b >> (8 - width_b)) << sh_b)
325 | ((a >> (8 - width_a)) << sh_a);
326
327 if (ximage->bits_per_pixel == 32)
328 ((uint32_t *)line)[x] = value;
329 else
330 XPutPixel (ximage, x, y, value);
331 }
332
333 row += rowstride;
334 line += ximage->bytes_per_line;
335 } 452 }
336 453
337 XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height);
338 XDestroyImage (ximage);
339 XFreeGC (dpy, gc);
340
341 return true;
342}
343
344rxvt_img *
345rxvt_img::clone ()
346{
347 rxvt_img *img = new rxvt_img (s, format, w, h);
348
349 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
350 XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0);
351 XFreeGC (s->display->dpy, gc);
352
353 return img; 454 return img;
354} 455}
355 456
356rxvt_img * 457rxvt_img *
357rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) 458rxvt_img::transform (int new_width, int new_height, double matrix[9])
358{ 459{
359 rxvt_img *img = new rxvt_img (s, format, width, height); 460 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
461 img->alloc ();
360 462
361 Display *dpy = s->display->dpy; 463 Display *dpy = s->display->dpy;
362 XRenderPictureAttributes pa; 464 Picture src = src_picture ();
363 pa.repeat = repeat;
364 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
365 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 465 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
366
367 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height);
368
369 XRenderFreePicture (dpy, src);
370 XRenderFreePicture (dpy, dst);
371
372 return img;
373}
374
375rxvt_img *
376rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat)
377{
378 rxvt_img *img = new rxvt_img (s, format, new_width, new_height);
379
380 Display *dpy = s->display->dpy;
381 XRenderPictureAttributes pa;
382 pa.repeat = repeat;
383 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
384 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
385 466
386 XTransform xfrm; 467 XTransform xfrm;
387 468
388 for (int i = 0; i < 3; ++i) 469 for (int i = 0; i < 3; ++i)
389 for (int j = 0; j < 3; ++j) 470 for (int j = 0; j < 3; ++j)
390 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 471 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
391 472
473#if 0
474 xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
475 xfrm.matrix [1][2] -= XDoubleToFixed (y);
476#endif
477
392 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 478 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
393 XRenderSetPictureTransform (dpy, src, &xfrm); 479 XRenderSetPictureTransform (dpy, src, &xfrm);
394 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 480 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
395 481
396 XRenderFreePicture (dpy, src); 482 XRenderFreePicture (dpy, src);
… …
400} 486}
401 487
402rxvt_img * 488rxvt_img *
403rxvt_img::scale (int new_width, int new_height) 489rxvt_img::scale (int new_width, int new_height)
404{ 490{
491 if (w == new_width && h == new_height)
492 return clone ();
493
405 double matrix[9] = { 494 double matrix[9] = {
406 w / (double)new_width, 0, 0, 495 w / (double)new_width, 0, 0,
407 0, h / (double)new_height, 0, 496 0, h / (double)new_height, 0,
408 0, 0, 1 497 0, 0, 1
409 }; 498 };
410 499
500 int old_repeat_mode = repeat;
501 repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
502
411 return transform (new_width, new_height, matrix); 503 rxvt_img *img = transform (new_width, new_height, matrix);
412}
413 504
505 repeat = old_repeat_mode;
506 img->repeat = repeat;
507
508 return img;
509}
510
414rxvt_img * 511rxvt_img *
415rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) 512rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
416{ 513{
417 double s = sin (phi); 514 double s = sin (phi);
418 double c = cos (phi); 515 double c = cos (phi);
419 516
420 double matrix[9] = { 517 double matrix[9] = {
421 c, -s, -c * x + s * y + x, 518 c, -s, -c * x + s * y + x,
422 s, c, -s * x - c * y + y, 519 s, c, -s * x - c * y + y,
423 0, 0, 1 520 0, 0, 1
424 }; 521 };
425 522
426 return transform (new_width, new_height, matrix, repeat); 523 return transform (new_width, new_height, matrix);
427} 524}
428 525
429rxvt_img * 526rxvt_img *
430rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) 527rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
431{ 528{
529 if (new_format == format)
530 return clone ();
531
432 rxvt_img *img = new rxvt_img (s, new_format, w, h); 532 rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
533 img->alloc ();
433 534
434 Display *dpy = s->display->dpy; 535 Display *dpy = s->display->dpy;
435 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 536 Picture src = src_picture ();
436 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 537 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
437 int op = PictOpSrc; 538 int op = PictOpSrc;
438 539
439 printf ("fa %x,%x fb %x,%x\n", format->direct.alpha, format->direct.alphaMask, new_format->direct.alpha, new_format->direct.alphaMask);//D
440
441 if (format->direct.alpha && !new_format->direct.alpha) 540 if (format->direct.alphaMask && !new_format->direct.alphaMask)
442 { 541 {
443 // does it have to be that complicated 542 // does it have to be that complicated
444 rgba c; 543 rgba c;
445 bg.get (c); 544 bg.get (c);
446 545
… …
461rxvt_img * 560rxvt_img *
462rxvt_img::blend (rxvt_img *img, double factor) 561rxvt_img::blend (rxvt_img *img, double factor)
463{ 562{
464 rxvt_img *img2 = clone (); 563 rxvt_img *img2 = clone ();
465 Display *dpy = s->display->dpy; 564 Display *dpy = s->display->dpy;
466 Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 565 Picture src = img->src_picture ();
467 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); 566 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
468 Picture mask = create_xrender_mask (dpy, img->pm, False); 567 Picture mask = create_xrender_mask (dpy, img->pm, False);
469 568
470 XRenderColor mask_c; 569 XRenderColor mask_c;
471 570

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