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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.26 by sf-exg, Wed Jun 6 18:13:03 2012 UTC vs.
Revision 1.64 by root, Fri Jun 8 21:33:32 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)
11{
12 pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
13}
14
15rxvt_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) 8: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat),
9 pm(0), ref(0)
17{ 10{
11}
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;
18} 17}
19 18
20rxvt_img * 19rxvt_img *
21rxvt_img::new_from_root (rxvt_screen *s) 20rxvt_img::new_from_root (rxvt_screen *s)
22{ 21{
37 return 0; 36 return 0;
38 37
39 rxvt_img *img = new rxvt_img ( 38 rxvt_img *img = new rxvt_img (
40 s, 39 s,
41 XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), 40 XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
41 0,
42 0,
42 root_pm_w, 43 root_pm_w,
43 root_pm_h, 44 root_pm_h
44 root_pixmap
45 ); 45 );
46 46
47 img->shared = true; 47 img->pm = root_pixmap;
48 img->ref = new pixref (root_pm_w, root_pm_h);
49 img->ref->ours = false;
50
51 return img;
52}
53
54rxvt_img *
55rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb)
56{
57 Display *dpy = s->display->dpy;
58
59 int width = gdk_pixbuf_get_width (pb);
60 int height = gdk_pixbuf_get_height (pb);
61
62 if (width > 32767 || height > 32767) // well, we *could* upload in chunks
63 rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n");
64
65 // since we require rgb24/argb32 formats from xrender we assume
66 // that both 24 and 32 bpp MUST be supported by any screen that supports xrender
67 int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24;
68
69 int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
70
71 XImage xi;
72
73 xi.width = width;
74 xi.height = height;
75 xi.xoffset = 0;
76 xi.format = ZPixmap;
77 xi.byte_order = ImageByteOrder (dpy);
78 xi.bitmap_unit = 0; //XY only, unused
79 xi.bitmap_bit_order = 0; //XY only, unused
80 xi.bitmap_pad = BitmapPad (dpy);
81 xi.depth = depth;
82 xi.bytes_per_line = 0;
83 xi.bits_per_pixel = 32; //Z only
84 xi.red_mask = 0x00000000; //Z only, unused
85 xi.green_mask = 0x00000000; //Z only, unused
86 xi.blue_mask = 0x00000000; //Z only, unused
87 xi.obdata = 0; // probably unused
88
89 bool byte_order_mismatch = byte_order != xi.byte_order;
90
91 if (!XInitImage (&xi))
92 rxvt_fatal ("unable to initialise ximage, please report.\n");
93
94 if (height > INT_MAX / xi.bytes_per_line)
95 rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n");
96
97 xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line);
98
99 int rowstride = gdk_pixbuf_get_rowstride (pb);
100
101 assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb));
102 unsigned char *row = gdk_pixbuf_get_pixels (pb);
103 char *line = xi.data;
104
105 for (int y = 0; y < height; y++)
106 {
107 unsigned char *src = row;
108 uint32_t *dst = (uint32_t *)line;
109
110 if (depth == 24)
111 for (int x = 0; x < width; x++)
112 {
113 uint8_t r = *src++;
114 uint8_t g = *src++;
115 uint8_t b = *src++;
116
117 uint32_t v = (r << 16) | (g << 8) | b;
118
119 if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch)
120 v = ecb_bswap32 (v);
121
122 *dst++ = v;
123 }
124 else
125 for (int x = 0; x < width; x++)
126 {
127 uint32_t v = *(uint32_t *)src; src += 4;
128
129 if (ecb_big_endian ())
130 v = ecb_bswap32 (v);
131
132 v = ecb_rotl32 (v, 8); // abgr to bgra
133
134 if (!byte_order_mismatch)
135 v = ecb_bswap32 (v);
136
137 *dst++ = v;
138 }
139
140 row += rowstride;
141 line += xi.bytes_per_line;
142 }
143
144 rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height);
145 img->alloc ();
146
147 GC gc = XCreateGC (dpy, img->pm, 0, 0);
148 XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height);
149 XFreeGC (dpy, gc);
150
151 free (xi.data);
48 152
49 return img; 153 return img;
50} 154}
51 155
52rxvt_img * 156rxvt_img *
56 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); 160 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
57 161
58 if (!pb) 162 if (!pb)
59 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); 163 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
60 164
61 rxvt_img *img = new rxvt_img ( 165 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);
69 166
70 g_object_unref (pb); 167 g_object_unref (pb);
71 168
72 return img; 169 return img;
73} 170}
74 171
172void
173rxvt_img::destroy ()
174{
175 if (--ref->cnt)
176 return;
177
178 if (pm && ref->ours)
179 XFreePixmap (s->display->dpy, pm);
180
181 delete ref;
182}
183
75rxvt_img::~rxvt_img () 184rxvt_img::~rxvt_img ()
76{ 185{
77 if (!shared) 186 destroy ();
78 XFreePixmap (s->display->dpy, pm); 187}
188
189void
190rxvt_img::alloc ()
191{
192 pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
193 ref = new pixref (w, h);
194}
195
196Picture
197rxvt_img::src_picture ()
198{
199 Display *dpy = s->display->dpy;
200
201 XRenderPictureAttributes pa;
202 pa.repeat = repeat;
203 Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
204
205 return pic;
79} 206}
80 207
81void 208void
82rxvt_img::unshare () 209rxvt_img::unshare ()
83{ 210{
84 if (!shared) 211 if (ref->cnt == 1 && ref->ours)
85 return; 212 return;
86 213
87 rxvt_img *img = clone (); 214 //TODO: maybe should reify instead
215 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
216 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
217 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
218 XFreeGC (s->display->dpy, gc);
88 219
89 ::swap (pm , img->pm); 220 destroy ();
90 ::swap (shared, img->shared);
91 221
92 delete img; 222 pm = pm2;
223 ref = new pixref (ref->w, ref->h);
93} 224}
94 225
95void 226void
96rxvt_img::fill (const rxvt_color &c) 227rxvt_img::fill (const rxvt_color &c)
97{ 228{
131 262
132 Display *dpy = s->display->dpy; 263 Display *dpy = s->display->dpy;
133 int size = max (rh, rv) * 2 + 1; 264 int size = max (rh, rv) * 2 + 1;
134 double *kernel = (double *)malloc (size * sizeof (double)); 265 double *kernel = (double *)malloc (size * sizeof (double));
135 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 266 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
136 rxvt_img *img = new rxvt_img (s, format, w, h); 267 rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
268 img->alloc ();
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); 272 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
142 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); 273 Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0);
143 274
144 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); 275 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
145 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); 276 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
146 XFreePixmap (dpy, tmp_pm); 277 XFreePixmap (dpy, tmp_pm);
147 278
163 294
164 size = rv * 2 + 1; 295 size = rv * 2 + 1;
165 get_gaussian_kernel (rv, size, kernel, params); 296 get_gaussian_kernel (rv, size, kernel, params);
166 ::swap (params[0], params[1]); 297 ::swap (params[0], params[1]);
167 298
168 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 299 XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2);
169 XRenderComposite (dpy, 300 XRenderComposite (dpy,
170 PictOpSrc, 301 PictOpSrc,
171 tmp, 302 tmp,
172 None, 303 None,
173 dst, 304 dst,
200 331
201 return mask; 332 return mask;
202} 333}
203 334
204void 335void
205rxvt_img::brightness (double r, double g, double b, double a) 336rxvt_img::brightness (uint16_t r, uint16_t g, uint16_t b, uint16_t a)
206{ 337{
207 Display *dpy = s->display->dpy; 338 Display *dpy = s->display->dpy;
208 Picture src = create_xrender_mask (dpy, pm, True); 339 Picture src = create_xrender_mask (dpy, pm, True);
209 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 340 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
210 341
211 XRenderColor mask_c; 342 XRenderColor mask_c;
212 mask_c.red = float_to_component (r); 343 mask_c.red = r;
213 mask_c.green = float_to_component (g); 344 mask_c.green = g;
214 mask_c.blue = float_to_component (b); 345 mask_c.blue = b;
215 mask_c.alpha = float_to_component (a); 346 mask_c.alpha = a;
216 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 347 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
217 348
218 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 349 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
219 350
220 XRenderFreePicture (dpy, src); 351 XRenderFreePicture (dpy, src);
221 XRenderFreePicture (dpy, dst); 352 XRenderFreePicture (dpy, dst);
222} 353}
223 354
224void 355void
225rxvt_img::contrast (double r, double g, double b, double a) 356rxvt_img::contrast (uint16_t r, uint16_t g, uint16_t b, uint16_t a)
226{ 357{
227 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 358 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
359 {
360 rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n");
228 return; 361 return;
362 }
229 363
230 Display *dpy = s->display->dpy; 364 Display *dpy = s->display->dpy;
231 Picture src = create_xrender_mask (dpy, pm, True); 365 Picture src = create_xrender_mask (dpy, pm, True);
232 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 366 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
233 367
234 XRenderColor mask_c; 368 XRenderColor mask_c;
235 mask_c.red = float_to_component (r); 369 mask_c.red = r;
236 mask_c.green = float_to_component (g); 370 mask_c.green = g;
237 mask_c.blue = float_to_component (b); 371 mask_c.blue = b;
238 mask_c.alpha = float_to_component (a); 372 mask_c.alpha = a;
239 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 373 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
240 374
241 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 375 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
242 376
243 XRenderFreePicture (dpy, src); 377 XRenderFreePicture (dpy, src);
244 XRenderFreePicture (dpy, dst); 378 XRenderFreePicture (dpy, dst);
245} 379}
246 380
247bool
248rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)
249{
250 Display *dpy = s->display->dpy;
251
252 if (s->visual->c_class != TrueColor)
253 return false;
254
255 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
256
257 red_mask = (uint32_t)format->direct.redMask << format->direct.red;
258 green_mask = (uint32_t)format->direct.greenMask << format->direct.green;
259 blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue;
260 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
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;
269
270 int sh_r = ecb_ctz32 (red_mask);
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
275 if (width > 32767 || height > 32767)
276 return false;
277
278 XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0,
279 width, height, 32, 0);
280 if (!ximage)
281 return false;
282
283 if (height > INT_MAX / ximage->bytes_per_line
284 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
285 {
286 XDestroyImage (ximage);
287 return false;
288 }
289
290 GC gc = XCreateGC (dpy, pm, 0, 0);
291
292 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
293
294 int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
295 int channels = gdk_pixbuf_get_n_channels (pixbuf);
296 unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
297 char *line = ximage->data;
298
299 for (int y = 0; y < height; y++)
300 {
301 for (int x = 0; x < width; x++)
302 {
303 unsigned char *pixel = row + x * channels;
304 uint32_t value;
305 unsigned char r, g, b, a;
306
307 if (channels == 4)
308 {
309 a = pixel[3];
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 }
336
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 * 381rxvt_img *
345rxvt_img::clone () 382rxvt_img::clone ()
346{ 383{
347 rxvt_img *img = new rxvt_img (s, format, w, h); 384 return new rxvt_img (*this);
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;
354} 385}
355 386
356rxvt_img * 387static XRenderPictFormat *
357rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) 388find_alpha_format_for (Display *dpy, XRenderPictFormat *format)
358{ 389{
359 rxvt_img *img = new rxvt_img (s, format, width, height); 390 if (format->direct.alphaMask)
391 return format; // already has alpha
360 392
393 // try to find a suitable alpha format, one bit alpha is enough for our purposes
394 if (format->type == PictTypeDirect)
395 for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
396 if (f->direct.alphaMask
397 && f->type == PictTypeDirect
398 && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
399 && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
400 && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
401 return f;
402
403 // should be a very good fallback
404 return XRenderFindStandardFormat (dpy, PictStandardARGB32);
405}
406
407rxvt_img *
408rxvt_img::reify ()
409{
410 if (x == 0 && y == 0 && w == ref->w && h == ref->h)
411 return clone ();
412
361 Display *dpy = s->display->dpy; 413 Display *dpy = s->display->dpy;
362 XRenderPictureAttributes pa; 414
363 pa.repeat = repeat; 415 // add an alpha channel if...
364 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); 416 bool alpha = !format->direct.alphaMask // pixmap has none yet
417 && (x || y) // we need one because of non-zero offset
418 && repeat == RepeatNone; // and we have no good pixels to fill with
419
420 rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
421 img->alloc ();
422
423 Picture src = src_picture ();
365 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 424 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
366 425
426 if (alpha)
427 {
428 XRenderColor rc = { 0, 0, 0, 0 };
429 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
430 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
431 }
432 else
367 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); 433 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
368 434
369 XRenderFreePicture (dpy, src);
370 XRenderFreePicture (dpy, dst); 435 XRenderFreePicture (dpy, src);
436 XRenderFreePicture (dpy, dst);
371 437
372 return img; 438 return img;
373} 439}
374 440
375rxvt_img * 441rxvt_img *
442rxvt_img::sub_rect (int x, int y, int width, int height)
443{
444 rxvt_img *img = clone ();
445
446 img->x += x;
447 img->y += y;
448
449 if (w != width || h != height)
450 {
451 img->w = width;
452 img->h = height;
453
454 rxvt_img *img2 = img->reify ();
455 delete img;
456 img = img2;
457 }
458
459 return img;
460}
461
462rxvt_img *
376rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat) 463rxvt_img::transform (int new_width, int new_height, double matrix[9])
377{ 464{
378 rxvt_img *img = new rxvt_img (s, format, new_width, new_height); 465 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
466 img->alloc ();
379 467
380 Display *dpy = s->display->dpy; 468 Display *dpy = s->display->dpy;
381 XRenderPictureAttributes pa; 469 Picture src = src_picture ();
382 pa.repeat = repeat;
383 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
384 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 470 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
385 471
386 XTransform xfrm; 472 XTransform xfrm;
387 473
388 for (int i = 0; i < 3; ++i) 474 for (int i = 0; i < 3; ++i)
389 for (int j = 0; j < 3; ++j) 475 for (int j = 0; j < 3; ++j)
390 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 476 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
391 477
478#if 0
479 xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
480 xfrm.matrix [1][2] -= XDoubleToFixed (y);
481#endif
482
392 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 483 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
393 XRenderSetPictureTransform (dpy, src, &xfrm); 484 XRenderSetPictureTransform (dpy, src, &xfrm);
394 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 485 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
395 486
396 XRenderFreePicture (dpy, src); 487 XRenderFreePicture (dpy, src);
400} 491}
401 492
402rxvt_img * 493rxvt_img *
403rxvt_img::scale (int new_width, int new_height) 494rxvt_img::scale (int new_width, int new_height)
404{ 495{
496 if (w == new_width && h == new_height)
497 return clone ();
498
405 double matrix[9] = { 499 double matrix[9] = {
406 w / (double)new_width, 0, 0, 500 w / (double)new_width, 0, 0,
407 0, h / (double)new_height, 0, 501 0, h / (double)new_height, 0,
408 0, 0, 1 502 0, 0, 1
409 }; 503 };
410 504
505 int old_repeat_mode = repeat;
506 repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
507
411 return transform (new_width, new_height, matrix); 508 rxvt_img *img = transform (new_width, new_height, matrix);
412}
413 509
510 repeat = old_repeat_mode;
511 img->repeat = repeat;
512
513 return img;
514}
515
414rxvt_img * 516rxvt_img *
415rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) 517rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
416{ 518{
417 double s = sin (phi); 519 double s = sin (phi);
418 double c = cos (phi); 520 double c = cos (phi);
419 521
420 double matrix[9] = { 522 double matrix[9] = {
421 c, -s, -c * x + s * y + x, 523 c, -s, -c * x + s * y + x,
422 s, c, -s * x - c * y + y, 524 s, c, -s * x - c * y + y,
423 0, 0, 1 525 0, 0, 1
424 }; 526 };
425 527
426 return transform (new_width, new_height, matrix, repeat); 528 return transform (new_width, new_height, matrix);
427} 529}
428 530
429rxvt_img * 531rxvt_img *
430rxvt_img::convert_to (XRenderPictFormat *new_format) 532rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
431{ 533{
534 if (new_format == format)
535 return clone ();
536
432 rxvt_img *img = new rxvt_img (s, new_format, w, h); 537 rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
538 img->alloc ();
433 539
434 Display *dpy = s->display->dpy; 540 Display *dpy = s->display->dpy;
435 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 541 Picture src = src_picture ();
436 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 542 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
543 int op = PictOpSrc;
437 544
545 if (format->direct.alphaMask && !new_format->direct.alphaMask)
546 {
547 // does it have to be that complicated
548 rgba c;
549 bg.get (c);
550
551 XRenderColor rc = { c.r, c.g, c.b, 0xffff };
552 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
553
554 op = PictOpOver;
555 }
556
438 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 557 XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
439 558
440 XRenderFreePicture (dpy, src); 559 XRenderFreePicture (dpy, src);
441 XRenderFreePicture (dpy, dst); 560 XRenderFreePicture (dpy, dst);
442 561
443 return img; 562 return img;
446rxvt_img * 565rxvt_img *
447rxvt_img::blend (rxvt_img *img, double factor) 566rxvt_img::blend (rxvt_img *img, double factor)
448{ 567{
449 rxvt_img *img2 = clone (); 568 rxvt_img *img2 = clone ();
450 Display *dpy = s->display->dpy; 569 Display *dpy = s->display->dpy;
451 Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 570 Picture src = img->src_picture ();
452 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); 571 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
453 Picture mask = create_xrender_mask (dpy, img->pm, False); 572 Picture mask = create_xrender_mask (dpy, img->pm, False);
454 573
455 XRenderColor mask_c; 574 XRenderColor mask_c;
456 575

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