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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.30 by root, Wed Jun 6 22:01:44 2012 UTC vs.
Revision 1.69 by root, Sat Jun 9 11:15:29 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), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), 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
15rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) 13rxvt_img::rxvt_img (const rxvt_img &img)
16: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) 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)
17{ 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 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
215 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
216 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
217 XFreeGC (s->display->dpy, gc);
88 218
89 ::swap (pm , img->pm); 219 destroy ();
90 ::swap (shared, img->shared);
91 220
92 delete img; 221 pm = pm2;
222 ref = new pixref (ref->w, ref->h);
93} 223}
94 224
95void 225void
96rxvt_img::fill (const rxvt_color &c) 226rxvt_img::fill (const rxvt_color &c)
97{ 227{
131 261
132 Display *dpy = s->display->dpy; 262 Display *dpy = s->display->dpy;
133 int size = max (rh, rv) * 2 + 1; 263 int size = max (rh, rv) * 2 + 1;
134 double *kernel = (double *)malloc (size * sizeof (double)); 264 double *kernel = (double *)malloc (size * sizeof (double));
135 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 265 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
136 rxvt_img *img = new rxvt_img (s, format, w, h); 266 rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
267 img->alloc ();
137 268
138 XRenderPictureAttributes pa; 269 XRenderPictureAttributes pa;
139
140 pa.repeat = RepeatPad; 270 pa.repeat = RepeatPad;
141 Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); 271 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, 0, 0);
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);
147 277
163 293
164 size = rv * 2 + 1; 294 size = rv * 2 + 1;
165 get_gaussian_kernel (rv, size, kernel, params); 295 get_gaussian_kernel (rv, size, kernel, params);
166 ::swap (params[0], params[1]); 296 ::swap (params[0], params[1]);
167 297
168 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 298 XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2);
169 XRenderComposite (dpy, 299 XRenderComposite (dpy,
170 PictOpSrc, 300 PictOpSrc,
171 tmp, 301 tmp,
172 None, 302 None,
173 dst, 303 dst,
199 XFreePixmap (dpy, pixmap); 329 XFreePixmap (dpy, pixmap);
200 330
201 return mask; 331 return mask;
202} 332}
203 333
334static void
335extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc)
336{
337 int32_t x = clamp (c, cl0, cl1);
338 c -= x;
339 xc = x;
340}
341
342static bool
343extract (int32_t cl0, int32_t cl1, int32_t &r, int32_t &g, int32_t &b, int32_t &a, unsigned short &xr, unsigned short &xg, unsigned short &xb, unsigned short &xa)
344{
345 extract (cl0, cl1, r, xr);
346 extract (cl0, cl1, g, xg);
347 extract (cl0, cl1, b, xb);
348 extract (cl0, cl1, a, xa);
349
350 return xr | xg | xb | xa;
351}
352
204void 353void
205rxvt_img::brightness (double r, double g, double b, double a) 354rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a)
206{ 355{
356 unshare ();
357
358 Display *dpy = s->display->dpy;
359 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
360
361 // loop should not be needed for brightness, as only -1..1 makes sense
362
363 while (r | g | b | a)
364 {
365 unsigned short xr, xg, xb, xa;
366 XRenderColor mask_c;
367
368 if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha))
369 XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h);
370
371 if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha))
372 {
373 XRenderColor mask_w = { 65535, 65535, 65535, 65535 };
374 XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h);
375 mask_c.red = -mask_c.red;
376 mask_c.green = -mask_c.green;
377 mask_c.blue = -mask_c.blue;
378 mask_c.alpha = -mask_c.alpha;
379 XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h);
380 XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h);
381 }
382 }
383
384
385 XRenderFreePicture (dpy, dst);
386}
387
388void
389rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a)
390{
391 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
392 {
393 rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n");
394 return;
395 }
396
397 unshare ();
398
207 Display *dpy = s->display->dpy; 399 Display *dpy = s->display->dpy;
208 Picture src = create_xrender_mask (dpy, pm, True); 400 Picture src = create_xrender_mask (dpy, pm, True);
209 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 401 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
210 402
211 XRenderColor mask_c; 403 XRenderColor mask_c;
212 mask_c.red = float_to_component (r); 404 mask_c.red = r;
213 mask_c.green = float_to_component (g); 405 mask_c.green = g;
214 mask_c.blue = float_to_component (b); 406 mask_c.blue = b;
215 mask_c.alpha = float_to_component (a); 407 mask_c.alpha = a;
216 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 408 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
217 409
218 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 410 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
219 411
220 XRenderFreePicture (dpy, src); 412 XRenderFreePicture (dpy, src);
221 XRenderFreePicture (dpy, dst); 413 XRenderFreePicture (dpy, dst);
222} 414}
223 415
224void 416rxvt_img *
225rxvt_img::contrast (double r, double g, double b, double a) 417rxvt_img::clone ()
226{ 418{
227 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 419 return new rxvt_img (*this);
420}
421
422static XRenderPictFormat *
423find_alpha_format_for (Display *dpy, XRenderPictFormat *format)
424{
425 if (format->direct.alphaMask)
426 return format; // already has alpha
427
428 // try to find a suitable alpha format, one bit alpha is enough for our purposes
429 if (format->type == PictTypeDirect)
430 for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
431 if (f->direct.alphaMask
432 && f->type == PictTypeDirect
433 && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
434 && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
435 && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
228 return; 436 return f;
229 437
438 // should be a very good fallback
439 return XRenderFindStandardFormat (dpy, PictStandardARGB32);
440}
441
442rxvt_img *
443rxvt_img::reify ()
444{
445 if (x == 0 && y == 0 && w == ref->w && h == ref->h)
446 return clone ();
447
230 Display *dpy = s->display->dpy; 448 Display *dpy = s->display->dpy;
231 Picture src = create_xrender_mask (dpy, pm, True); 449
450 // add an alpha channel if...
451 bool alpha = !format->direct.alphaMask // pixmap has none yet
452 && (x || y) // we need one because of non-zero offset
453 && repeat == RepeatNone; // and we have no good pixels to fill with
454
455 rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
456 img->alloc ();
457
458 Picture src = src_picture ();
232 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 459 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
233 460
234 XRenderColor mask_c; 461 if (alpha)
235 mask_c.red = float_to_component (r); 462 {
236 mask_c.green = float_to_component (g); 463 XRenderColor rc = { 0, 0, 0, 0 };
237 mask_c.blue = float_to_component (b); 464 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
238 mask_c.alpha = float_to_component (a); 465 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
239 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 466 }
240 467 else
241 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 468 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
242 469
243 XRenderFreePicture (dpy, src); 470 XRenderFreePicture (dpy, src);
244 XRenderFreePicture (dpy, dst); 471 XRenderFreePicture (dpy, dst);
245}
246
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 *
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);
352 472
353 return img; 473 return img;
354} 474}
355 475
356rxvt_img * 476rxvt_img *
357rxvt_img::sub_rect (int x, int y, int width, int height) 477rxvt_img::sub_rect (int x, int y, int width, int height)
358{ 478{
359 rxvt_img *img = new rxvt_img (s, format, width, height); 479 rxvt_img *img = clone ();
360 480
361 Display *dpy = s->display->dpy; 481 img->x += x;
362 XRenderPictureAttributes pa; 482 img->y += y;
363 pa.repeat = repeat;
364 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
365 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
366 483
367 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); 484 if (w != width || h != height)
485 {
486 img->w = width;
487 img->h = height;
368 488
369 XRenderFreePicture (dpy, src); 489 rxvt_img *img2 = img->reify ();
370 XRenderFreePicture (dpy, dst); 490 delete img;
491 img = img2;
492 }
371 493
372 return img; 494 return img;
373} 495}
374 496
375rxvt_img * 497rxvt_img *
376rxvt_img::transform (int new_width, int new_height, double matrix[9]) 498rxvt_img::transform (int new_width, int new_height, double matrix[9])
377{ 499{
378 rxvt_img *img = new rxvt_img (s, format, new_width, new_height); 500 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
501 img->alloc ();
379 502
380 Display *dpy = s->display->dpy; 503 Display *dpy = s->display->dpy;
381 XRenderPictureAttributes pa; 504 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); 505 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
385 506
386 XTransform xfrm; 507 XTransform xfrm;
387 508
388 for (int i = 0; i < 3; ++i) 509 for (int i = 0; i < 3; ++i)
389 for (int j = 0; j < 3; ++j) 510 for (int j = 0; j < 3; ++j)
390 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 511 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
391 512
513 xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
514 xfrm.matrix [1][2] -= XDoubleToFixed (y);
515
392 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 516 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
393 XRenderSetPictureTransform (dpy, src, &xfrm); 517 XRenderSetPictureTransform (dpy, src, &xfrm);
394 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 518 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
395 519
396 XRenderFreePicture (dpy, src); 520 XRenderFreePicture (dpy, src);
400} 524}
401 525
402rxvt_img * 526rxvt_img *
403rxvt_img::scale (int new_width, int new_height) 527rxvt_img::scale (int new_width, int new_height)
404{ 528{
529 if (w == new_width && h == new_height)
530 return clone ();
531
405 double matrix[9] = { 532 double matrix[9] = {
406 w / (double)new_width, 0, 0, 533 w / (double)new_width, 0, 0,
407 0, h / (double)new_height, 0, 534 0, h / (double)new_height, 0,
408 0, 0, 1 535 0, 0, 1
409 }; 536 };
410 537
538 int old_repeat_mode = repeat;
539 repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
540
411 return transform (new_width, new_height, matrix); 541 rxvt_img *img = transform (new_width, new_height, matrix);
542
543 repeat = old_repeat_mode;
544 img->repeat = repeat;
545
546 return img;
412} 547}
413 548
414rxvt_img * 549rxvt_img *
415rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi) 550rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
416{ 551{
425 560
426 return transform (new_width, new_height, matrix); 561 return transform (new_width, new_height, matrix);
427} 562}
428 563
429rxvt_img * 564rxvt_img *
430rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg) 565rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
431{ 566{
567 if (new_format == format)
568 return clone ();
569
432 rxvt_img *img = new rxvt_img (s, new_format, w, h); 570 rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
571 img->alloc ();
433 572
434 Display *dpy = s->display->dpy; 573 Display *dpy = s->display->dpy;
435 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 574 Picture src = src_picture ();
436 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 575 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
437 int op = PictOpSrc; 576 int op = PictOpSrc;
438 577
439 if (format->direct.alphaMask && !new_format->direct.alphaMask) 578 if (format->direct.alphaMask && !new_format->direct.alphaMask)
440 { 579 {
459rxvt_img * 598rxvt_img *
460rxvt_img::blend (rxvt_img *img, double factor) 599rxvt_img::blend (rxvt_img *img, double factor)
461{ 600{
462 rxvt_img *img2 = clone (); 601 rxvt_img *img2 = clone ();
463 Display *dpy = s->display->dpy; 602 Display *dpy = s->display->dpy;
464 Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 603 Picture src = img->src_picture ();
465 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); 604 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
466 Picture mask = create_xrender_mask (dpy, img->pm, False); 605 Picture mask = create_xrender_mask (dpy, img->pm, False);
467 606
468 XRenderColor mask_c; 607 XRenderColor mask_c;
469 608

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