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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.24 by sf-exg, Tue Jun 5 18:52:48 2012 UTC vs.
Revision 1.58 by root, Thu Jun 7 20:35:35 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 int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
77
78 XImage xi;
79
80 xi.width = width;
81 xi.height = height;
82 xi.xoffset = 0;
83 xi.format = ZPixmap;
84 xi.byte_order = ImageByteOrder (dpy);
85 xi.bitmap_unit = 0; //XY only, unused
86 xi.bitmap_bit_order = 0; //XY only, unused
87 xi.bitmap_pad = BitmapPad (dpy);
88 xi.depth = depth;
89 xi.bytes_per_line = 0;
90 xi.bits_per_pixel = 32; //Z only
91 xi.red_mask = 0x00000000; //Z only, unused
92 xi.green_mask = 0x00000000; //Z only, unused
93 xi.blue_mask = 0x00000000; //Z only, unused
94 xi.obdata = 0; // probably unused
95
96 bool byte_order_mismatch = byte_order != xi.byte_order;
97
98 if (!XInitImage (&xi))
99 rxvt_fatal ("unable to initialise ximage, please report.\n");
100
101 if (height > INT_MAX / xi.bytes_per_line)
102 rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n");
103
104 xi.data = (char *)rxvt_malloc (height * xi.bytes_per_line);
105
106 int rowstride = gdk_pixbuf_get_rowstride (pb);
107
108 assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb));
109 unsigned char *row = gdk_pixbuf_get_pixels (pb);
110 char *line = xi.data;
111
112 for (int y = 0; y < height; y++)
113 {
114 unsigned char *src = row;
115 uint32_t *dst = (uint32_t *)line;
116
117 if (depth == 24)
118 for (int x = 0; x < width; x++)
119 {
120 uint8_t r = *src++;
121 uint8_t g = *src++;
122 uint8_t b = *src++;
123
124 uint32_t v = (r << 16) | (g << 8) | b;
125
126 if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch)
127 v = ecb_bswap32 (v);
128
129 *dst++ = v;
130 }
131 else
132 for (int x = 0; x < width; x++)
133 {
134 uint32_t v = *(uint32_t *)src; src += 4;
135
136 if (ecb_big_endian ())
137 v = ecb_bswap32 (v);
138
139 v = ecb_rotl32 (v, 8); // abgr to bgra
140
141 if (!byte_order_mismatch)
142 v = ecb_bswap32 (v);
143
144 *dst++ = v;
145 }
146
147 row += rowstride;
148 line += xi.bytes_per_line;
149 }
150
151 rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height);
152 img->alloc ();
153
154 GC gc = XCreateGC (dpy, img->pm, 0, 0);
155 XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height);
156 XFreeGC (dpy, gc);
157
158 free (xi.data);
48 159
49 return img; 160 return img;
50} 161}
51 162
52rxvt_img * 163rxvt_img *
56 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); 167 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
57 168
58 if (!pb) 169 if (!pb)
59 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); 170 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
60 171
61 rxvt_img *img = new rxvt_img ( 172 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 );
67 173
68 img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); 174 g_object_unref (pb);
69 175
176 return img;
177}
178
179void
180rxvt_img::destroy ()
181{
182 if (--ref->cnt)
70 return img; 183 return;
184
185 if (pm && ref->ours)
186 XFreePixmap (s->display->dpy, pm);
187
188 delete ref;
71} 189}
72 190
73rxvt_img::~rxvt_img () 191rxvt_img::~rxvt_img ()
74{ 192{
75 if (!shared) 193 destroy ();
76 XFreePixmap (s->display->dpy, pm); 194}
195
196void
197rxvt_img::alloc ()
198{
199 pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
200 ref = new pixref (w, h);
201}
202
203Picture
204rxvt_img::src_picture ()
205{
206 Display *dpy = s->display->dpy;
207
208 XRenderPictureAttributes pa;
209 pa.repeat = repeat;
210 Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
211
212 return pic;
77} 213}
78 214
79void 215void
80rxvt_img::unshare () 216rxvt_img::unshare ()
81{ 217{
82 if (!shared) 218 if (ref->cnt == 1 && ref->ours)
83 return; 219 return;
84 220
85 rxvt_img *img = clone (); 221 //TODO: maybe should reify instead
222 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
223 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
224 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
225 XFreeGC (s->display->dpy, gc);
86 226
87 ::swap (pm , img->pm); 227 destroy ();
88 ::swap (shared, img->shared);
89 228
90 delete img; 229 pm = pm2;
230 ref = new pixref (ref->w, ref->h);
91} 231}
92 232
93void 233void
94rxvt_img::fill (const rxvt_color &c) 234rxvt_img::fill (const rxvt_color &c)
95{ 235{
129 269
130 Display *dpy = s->display->dpy; 270 Display *dpy = s->display->dpy;
131 int size = max (rh, rv) * 2 + 1; 271 int size = max (rh, rv) * 2 + 1;
132 double *kernel = (double *)malloc (size * sizeof (double)); 272 double *kernel = (double *)malloc (size * sizeof (double));
133 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 273 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
134 rxvt_img *img = new rxvt_img (s, format, w, h); 274 rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
275 img->alloc ();
276
277 Picture src = src_picture ();
135 278
136 XRenderPictureAttributes pa; 279 XRenderPictureAttributes pa;
137
138 pa.repeat = RepeatPad; 280 pa.repeat = RepeatPad;
139 Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa);
140 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); 281 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
141 282
142 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); 283 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
143 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); 284 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
144 XFreePixmap (dpy, tmp_pm); 285 XFreePixmap (dpy, tmp_pm);
198 339
199 return mask; 340 return mask;
200} 341}
201 342
202void 343void
203rxvt_img::brightness (double r, double g, double b, double a) 344rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
204{ 345{
205 Display *dpy = s->display->dpy; 346 Display *dpy = s->display->dpy;
206 Picture src = create_xrender_mask (dpy, pm, True); 347 Picture src = create_xrender_mask (dpy, pm, True);
207 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 348 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
208 349
209 XRenderColor mask_c; 350 XRenderColor mask_c;
210 mask_c.red = float_to_component (r); 351 mask_c.red = r;
211 mask_c.green = float_to_component (g); 352 mask_c.green = g;
212 mask_c.blue = float_to_component (b); 353 mask_c.blue = b;
213 mask_c.alpha = float_to_component (a); 354 mask_c.alpha = a;
214 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 355 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
215 356
216 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 357 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
217 358
218 XRenderFreePicture (dpy, src); 359 XRenderFreePicture (dpy, src);
219 XRenderFreePicture (dpy, dst); 360 XRenderFreePicture (dpy, dst);
220} 361}
221 362
222void 363void
223rxvt_img::contrast (double r, double g, double b, double a) 364rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
224{ 365{
225 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 366 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
226 return; 367 return;
227 368
228 Display *dpy = s->display->dpy; 369 Display *dpy = s->display->dpy;
229 Picture src = create_xrender_mask (dpy, pm, True); 370 Picture src = create_xrender_mask (dpy, pm, True);
230 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 371 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
231 372
232 XRenderColor mask_c; 373 XRenderColor mask_c;
233 mask_c.red = float_to_component (r); 374 mask_c.red = r;
234 mask_c.green = float_to_component (g); 375 mask_c.green = g;
235 mask_c.blue = float_to_component (b); 376 mask_c.blue = b;
236 mask_c.alpha = float_to_component (a); 377 mask_c.alpha = a;
237 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 378 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
238 379
239 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 380 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
240 381
241 XRenderFreePicture (dpy, src); 382 XRenderFreePicture (dpy, src);
242 XRenderFreePicture (dpy, dst); 383 XRenderFreePicture (dpy, dst);
243} 384}
244 385
245bool 386rxvt_img *
246rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) 387rxvt_img::clone ()
247{ 388{
248 Display *dpy = s->display->dpy; 389 return new rxvt_img (*this);
390}
249 391
250 if (s->visual->c_class != TrueColor) 392static XRenderPictFormat *
393find_alpha_format_for (Display *dpy, XRenderPictFormat *format)
394{
395 if (format->direct.alphaMask)
396 return format; // already has alpha
397
398 // try to find a suitable alpha format, one bit alpha is enough for our purposes
399 if (format->type == PictTypeDirect)
400 for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
401 if (f->direct.alphaMask
402 && f->type == PictTypeDirect
403 && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
404 && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
405 && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
251 return false; 406 return f;
252 407
253 uint32_t red_mask, green_mask, blue_mask, alpha_mask; 408 // should be a very good fallback
409 return XRenderFindStandardFormat (dpy, PictStandardARGB32);
410}
254 411
255 red_mask = (uint32_t)format->direct.redMask << format->direct.red; 412rxvt_img *
256 green_mask = (uint32_t)format->direct.greenMask << format->direct.green; 413rxvt_img::reify ()
257 blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; 414{
258 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; 415 if (x == 0 && y == 0 && w == ref->w && h == ref->h)
259
260 int width_r = ecb_popcount32 (red_mask);
261 int width_g = ecb_popcount32 (green_mask);
262 int width_b = ecb_popcount32 (blue_mask);
263 int width_a = ecb_popcount32 (alpha_mask);
264
265 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
266 return false; 416 return clone ();
267 417
268 int sh_r = ecb_ctz32 (red_mask); 418 Display *dpy = s->display->dpy;
269 int sh_g = ecb_ctz32 (green_mask);
270 int sh_b = ecb_ctz32 (blue_mask);
271 int sh_a = ecb_ctz32 (alpha_mask);
272 419
273 if (width > 32767 || height > 32767) 420 bool alpha = !format->direct.alphaMask
274 return false; 421 && (x || y)
422 && repeat == RepeatNone;
275 423
276 XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, 424 rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
277 width, height, 32, 0); 425 img->alloc ();
278 if (!ximage)
279 return false;
280 426
281 if (height > INT_MAX / ximage->bytes_per_line 427 Picture src = src_picture ();
282 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) 428 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
429
430 if (alpha)
283 { 431 {
284 XDestroyImage (ximage); 432 XRenderColor rc = { 0, 0, 0, 0 };
285 return false; 433 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
434 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
286 } 435 }
436 else
437 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
287 438
288 GC gc = XCreateGC (dpy, pm, 0, 0); 439 XRenderFreePicture (dpy, src);
440 XRenderFreePicture (dpy, dst);
289 441
290 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 442 return img;
443}
291 444
292 int rowstride = gdk_pixbuf_get_rowstride (pixbuf); 445rxvt_img *
293 int channels = gdk_pixbuf_get_n_channels (pixbuf); 446rxvt_img::sub_rect (int x, int y, int width, int height)
294 unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; 447{
295 char *line = ximage->data; 448 rxvt_img *img = clone ();
296 449
297 rgba c (0, 0, 0); 450 img->x += x;
451 img->y += y;
298 452
299 if (channels == 4 && alpha_mask == 0) 453 if (w != width || h != height)
300 { 454 {
301 //pix_colors[Color_bg].get (c); 455 img->w = width;
302 //TODO 456 img->h = height;
303 c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D 457
304 c.r >>= 8; 458 rxvt_img *img2 = img->reify ();
305 c.g >>= 8; 459 delete img;
306 c.b >>= 8; 460 img = img2;
307 } 461 }
308 462
309 for (int y = 0; y < height; y++)
310 {
311 for (int x = 0; x < width; x++)
312 {
313 unsigned char *pixel = row + x * channels;
314 uint32_t value;
315 unsigned char r, g, b, a;
316
317 if (channels == 4)
318 {
319 a = pixel[3];
320 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
321 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
322 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
323 }
324 else
325 {
326 a = 0xff;
327 r = pixel[0];
328 g = pixel[1];
329 b = pixel[2];
330 }
331
332 value = ((r >> (8 - width_r)) << sh_r)
333 | ((g >> (8 - width_g)) << sh_g)
334 | ((b >> (8 - width_b)) << sh_b)
335 | ((a >> (8 - width_a)) << sh_a);
336
337 if (ximage->bits_per_pixel == 32)
338 ((uint32_t *)line)[x] = value;
339 else
340 XPutPixel (ximage, x, y, value);
341 }
342
343 row += rowstride;
344 line += ximage->bytes_per_line;
345 }
346
347 XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height);
348 XDestroyImage (ximage);
349 XFreeGC (dpy, gc);
350
351 return true;
352}
353
354rxvt_img *
355rxvt_img::clone ()
356{
357 rxvt_img *img = new rxvt_img (s, format, w, h);
358
359 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
360 XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0);
361 XFreeGC (s->display->dpy, gc);
362
363 return img; 463 return img;
364} 464}
365 465
366rxvt_img * 466rxvt_img *
367rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) 467rxvt_img::transform (int new_width, int new_height, double matrix[9])
368{ 468{
369 rxvt_img *img = new rxvt_img (s, format, width, height); 469 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
470 img->alloc ();
370 471
371 Display *dpy = s->display->dpy; 472 Display *dpy = s->display->dpy;
372 XRenderPictureAttributes pa; 473 Picture src = src_picture ();
373 pa.repeat = repeat;
374 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
375 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 474 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
376
377 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height);
378
379 XRenderFreePicture (dpy, src);
380 XRenderFreePicture (dpy, dst);
381
382 return img;
383}
384
385rxvt_img *
386rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat)
387{
388 rxvt_img *img = new rxvt_img (s, format, new_width, new_height);
389
390 Display *dpy = s->display->dpy;
391 XRenderPictureAttributes pa;
392 pa.repeat = repeat;
393 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
394 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
395 475
396 XTransform xfrm; 476 XTransform xfrm;
397 477
398 for (int i = 0; i < 3; ++i) 478 for (int i = 0; i < 3; ++i)
399 for (int j = 0; j < 3; ++j) 479 for (int j = 0; j < 3; ++j)
400 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 480 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
401 481
482#if 0
483 xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
484 xfrm.matrix [1][2] -= XDoubleToFixed (y);
485#endif
486
402 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 487 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
403 XRenderSetPictureTransform (dpy, src, &xfrm); 488 XRenderSetPictureTransform (dpy, src, &xfrm);
404 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 489 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
405 490
406 XRenderFreePicture (dpy, src); 491 XRenderFreePicture (dpy, src);
410} 495}
411 496
412rxvt_img * 497rxvt_img *
413rxvt_img::scale (int new_width, int new_height) 498rxvt_img::scale (int new_width, int new_height)
414{ 499{
500 if (w == new_width && h == new_height)
501 return clone ();
502
415 double matrix[9] = { 503 double matrix[9] = {
416 w / (double)new_width, 0, 0, 504 w / (double)new_width, 0, 0,
417 0, h / (double)new_height, 0, 505 0, h / (double)new_height, 0,
418 0, 0, 1 506 0, 0, 1
419 }; 507 };
420 508
509 int old_repeat_mode = repeat;
510 repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
511
421 return transform (new_width, new_height, matrix); 512 rxvt_img *img = transform (new_width, new_height, matrix);
422}
423 513
514 repeat = old_repeat_mode;
515 img->repeat = repeat;
516
517 return img;
518}
519
424rxvt_img * 520rxvt_img *
425rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) 521rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
426{ 522{
427 double s = sin (phi); 523 double s = sin (phi);
428 double c = cos (phi); 524 double c = cos (phi);
429 525
430 double matrix[9] = { 526 double matrix[9] = {
431 c, -s, -c * x + s * y + x, 527 c, -s, -c * x + s * y + x,
432 s, c, -s * x - c * y + y, 528 s, c, -s * x - c * y + y,
433 0, 0, 1 529 0, 0, 1
434 }; 530 };
435 531
436 return transform (new_width, new_height, matrix, repeat); 532 return transform (new_width, new_height, matrix);
437} 533}
438 534
439rxvt_img * 535rxvt_img *
440rxvt_img::convert_to (XRenderPictFormat *new_format) 536rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
441{ 537{
538 if (new_format == format)
539 return clone ();
540
442 rxvt_img *img = new rxvt_img (s, new_format, w, h); 541 rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
542 img->alloc ();
443 543
444 Display *dpy = s->display->dpy; 544 Display *dpy = s->display->dpy;
445 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 545 Picture src = src_picture ();
446 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 546 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
547 int op = PictOpSrc;
447 548
549 if (format->direct.alphaMask && !new_format->direct.alphaMask)
550 {
551 // does it have to be that complicated
552 rgba c;
553 bg.get (c);
554
555 XRenderColor rc = { c.r, c.g, c.b, 0xffff };
556 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
557
558 op = PictOpOver;
559 }
560
448 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 561 XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
449 562
450 XRenderFreePicture (dpy, src); 563 XRenderFreePicture (dpy, src);
451 XRenderFreePicture (dpy, dst); 564 XRenderFreePicture (dpy, dst);
452 565
453 return img; 566 return img;
456rxvt_img * 569rxvt_img *
457rxvt_img::blend (rxvt_img *img, double factor) 570rxvt_img::blend (rxvt_img *img, double factor)
458{ 571{
459 rxvt_img *img2 = clone (); 572 rxvt_img *img2 = clone ();
460 Display *dpy = s->display->dpy; 573 Display *dpy = s->display->dpy;
461 Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 574 Picture src = img->src_picture ();
462 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); 575 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
463 Picture mask = create_xrender_mask (dpy, img->pm, False); 576 Picture mask = create_xrender_mask (dpy, img->pm, False);
464 577
465 XRenderColor mask_c; 578 XRenderColor mask_c;
466 579

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