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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 1.54 by root, Thu Jun 7 20:24:39 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 = 32; //XY only, unused
86 xi.bitmap_bit_order = LSBFirst; //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 ())
127 v = ecb_bswap32 (v);
128
129 if (byte_order_mismatch)
130 v = ecb_bswap32 (v);
131
132 *dst++ = v;
133 }
134 else
135 for (int x = 0; x < width; x++)
136 {
137 uint32_t v = *(uint32_t *)src; src += 4;
138
139 if (ecb_little_endian ())
140 v = ecb_bswap32 (v);
141
142 v = ecb_rotr32 (v, 8);
143
144 if (byte_order_mismatch)
145 v = ecb_bswap32 (v);
146
147 *dst++ = v;
148 }
149
150 row += rowstride;
151 line += xi.bytes_per_line;
152 }
153
154 rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height);
155 img->alloc ();
156
157 GC gc = XCreateGC (dpy, img->pm, 0, 0);
158 XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height);
159 XFreeGC (dpy, gc);
160
161 free (xi.data);
48 162
49 return img; 163 return img;
50} 164}
51 165
52rxvt_img * 166rxvt_img *
56 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err); 170 GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
57 171
58 if (!pb) 172 if (!pb)
59 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); 173 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
60 174
61 rxvt_img *img = new rxvt_img ( 175 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 );
67 176
68 img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); 177 g_object_unref (pb);
69 178
179 return img;
180}
181
182void
183rxvt_img::destroy ()
184{
185 if (--ref->cnt)
70 return img; 186 return;
187
188 if (pm && ref->ours)
189 XFreePixmap (s->display->dpy, pm);
190
191 delete ref;
71} 192}
72 193
73rxvt_img::~rxvt_img () 194rxvt_img::~rxvt_img ()
74{ 195{
75 if (!shared) 196 destroy ();
76 XFreePixmap (s->display->dpy, pm); 197}
198
199void
200rxvt_img::alloc ()
201{
202 pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
203 ref = new pixref (w, h);
204}
205
206Picture
207rxvt_img::src_picture ()
208{
209 Display *dpy = s->display->dpy;
210
211 XRenderPictureAttributes pa;
212 pa.repeat = repeat;
213 Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
214
215 return pic;
77} 216}
78 217
79void 218void
80rxvt_img::unshare () 219rxvt_img::unshare ()
81{ 220{
82 if (!shared) 221 if (ref->cnt == 1 && ref->ours)
83 return; 222 return;
84 223
85 rxvt_img *img = clone (); 224 //TODO: maybe should reify instead
225 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
226 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
227 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
228 XFreeGC (s->display->dpy, gc);
86 229
87 ::swap (pm , img->pm); 230 destroy ();
88 ::swap (shared, img->shared);
89 231
90 delete img; 232 pm = pm2;
233 ref = new pixref (ref->w, ref->h);
91} 234}
92 235
93void 236void
94rxvt_img::fill (const rxvt_color &c) 237rxvt_img::fill (const rxvt_color &c)
95{ 238{
129 272
130 Display *dpy = s->display->dpy; 273 Display *dpy = s->display->dpy;
131 int size = max (rh, rv) * 2 + 1; 274 int size = max (rh, rv) * 2 + 1;
132 double *kernel = (double *)malloc (size * sizeof (double)); 275 double *kernel = (double *)malloc (size * sizeof (double));
133 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 276 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
134 rxvt_img *img = new rxvt_img (s, format, w, h); 277 rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
278 img->alloc ();
279
280 Picture src = src_picture ();
135 281
136 XRenderPictureAttributes pa; 282 XRenderPictureAttributes pa;
137
138 pa.repeat = RepeatPad; 283 pa.repeat = RepeatPad;
139 Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa);
140 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); 284 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
141 285
142 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); 286 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
143 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); 287 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
144 XFreePixmap (dpy, tmp_pm); 288 XFreePixmap (dpy, tmp_pm);
198 342
199 return mask; 343 return mask;
200} 344}
201 345
202void 346void
203rxvt_img::brightness (double r, double g, double b, double a) 347rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
204{ 348{
205 Display *dpy = s->display->dpy; 349 Display *dpy = s->display->dpy;
206 Picture src = create_xrender_mask (dpy, pm, True); 350 Picture src = create_xrender_mask (dpy, pm, True);
207 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 351 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
208 352
209 XRenderColor mask_c; 353 XRenderColor mask_c;
210 mask_c.red = float_to_component (r); 354 mask_c.red = r;
211 mask_c.green = float_to_component (g); 355 mask_c.green = g;
212 mask_c.blue = float_to_component (b); 356 mask_c.blue = b;
213 mask_c.alpha = float_to_component (a); 357 mask_c.alpha = a;
214 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 358 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
215 359
216 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 360 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
217 361
218 XRenderFreePicture (dpy, src); 362 XRenderFreePicture (dpy, src);
219 XRenderFreePicture (dpy, dst); 363 XRenderFreePicture (dpy, dst);
220} 364}
221 365
222void 366void
223rxvt_img::contrast (double r, double g, double b, double a) 367rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
224{ 368{
225 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 369 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
226 return; 370 return;
227 371
228 Display *dpy = s->display->dpy; 372 Display *dpy = s->display->dpy;
229 Picture src = create_xrender_mask (dpy, pm, True); 373 Picture src = create_xrender_mask (dpy, pm, True);
230 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 374 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
231 375
232 XRenderColor mask_c; 376 XRenderColor mask_c;
233 mask_c.red = float_to_component (r); 377 mask_c.red = r;
234 mask_c.green = float_to_component (g); 378 mask_c.green = g;
235 mask_c.blue = float_to_component (b); 379 mask_c.blue = b;
236 mask_c.alpha = float_to_component (a); 380 mask_c.alpha = a;
237 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 381 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
238 382
239 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 383 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
240 384
241 XRenderFreePicture (dpy, src); 385 XRenderFreePicture (dpy, src);
242 XRenderFreePicture (dpy, dst); 386 XRenderFreePicture (dpy, dst);
243} 387}
244 388
245bool 389rxvt_img *
246rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) 390rxvt_img::clone ()
247{ 391{
248 Display *dpy = s->display->dpy; 392 return new rxvt_img (*this);
393}
249 394
250 if (s->visual->c_class != TrueColor) 395static XRenderPictFormat *
396find_alpha_format_for (Display *dpy, XRenderPictFormat *format)
397{
398 if (format->direct.alphaMask)
399 return format; // already has alpha
400
401 // try to find a suitable alpha format, one bit alpha is enough for our purposes
402 if (format->type == PictTypeDirect)
403 for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
404 if (f->direct.alphaMask
405 && f->type == PictTypeDirect
406 && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
407 && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
408 && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
251 return false; 409 return f;
252 410
253 uint32_t red_mask, green_mask, blue_mask, alpha_mask; 411 // should be a very good fallback
412 return XRenderFindStandardFormat (dpy, PictStandardARGB32);
413}
254 414
255 red_mask = (uint32_t)format->direct.redMask << format->direct.red; 415rxvt_img *
256 green_mask = (uint32_t)format->direct.greenMask << format->direct.green; 416rxvt_img::reify ()
257 blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; 417{
258 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; 418 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; 419 return clone ();
267 420
268 int sh_r = ecb_ctz32 (red_mask); 421 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);
272 422
273 if (width > 32767 || height > 32767) 423 bool alpha = !format->direct.alphaMask
274 return false; 424 && (x || y)
425 && repeat == RepeatNone;
275 426
276 XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, 427 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); 428 img->alloc ();
278 if (!ximage)
279 return false;
280 429
281 if (height > INT_MAX / ximage->bytes_per_line 430 Picture src = src_picture ();
282 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) 431 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
432
433 if (alpha)
283 { 434 {
284 XDestroyImage (ximage); 435 XRenderColor rc = { 0, 0, 0, 0 };
285 return false; 436 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
437 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
286 } 438 }
439 else
440 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
287 441
288 GC gc = XCreateGC (dpy, pm, 0, 0); 442 XRenderFreePicture (dpy, src);
443 XRenderFreePicture (dpy, dst);
289 444
290 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; 445 return img;
446}
291 447
292 int rowstride = gdk_pixbuf_get_rowstride (pixbuf); 448rxvt_img *
293 int channels = gdk_pixbuf_get_n_channels (pixbuf); 449rxvt_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; 450{
295 char *line = ximage->data; 451 rxvt_img *img = clone ();
296 452
297 rgba c (0, 0, 0); 453 img->x += x;
454 img->y += y;
298 455
299 if (channels == 4 && alpha_mask == 0) 456 if (w != width || h != height)
300 { 457 {
301 //pix_colors[Color_bg].get (c); 458 img->w = width;
302 //TODO 459 img->h = height;
303 c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D 460
304 c.r >>= 8; 461 rxvt_img *img2 = img->reify ();
305 c.g >>= 8; 462 delete img;
306 c.b >>= 8; 463 img = img2;
307 } 464 }
308 465
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; 466 return img;
364} 467}
365 468
366rxvt_img * 469rxvt_img *
367rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) 470rxvt_img::transform (int new_width, int new_height, double matrix[9])
368{ 471{
369 rxvt_img *img = new rxvt_img (s, format, width, height); 472 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
473 img->alloc ();
370 474
371 Display *dpy = s->display->dpy; 475 Display *dpy = s->display->dpy;
372 XRenderPictureAttributes pa; 476 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); 477 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);
395 478
396 XTransform xfrm; 479 XTransform xfrm;
397 480
398 for (int i = 0; i < 3; ++i) 481 for (int i = 0; i < 3; ++i)
399 for (int j = 0; j < 3; ++j) 482 for (int j = 0; j < 3; ++j)
400 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 483 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
401 484
485#if 0
486 xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
487 xfrm.matrix [1][2] -= XDoubleToFixed (y);
488#endif
489
402 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 490 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
403 XRenderSetPictureTransform (dpy, src, &xfrm); 491 XRenderSetPictureTransform (dpy, src, &xfrm);
404 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 492 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
405 493
406 XRenderFreePicture (dpy, src); 494 XRenderFreePicture (dpy, src);
410} 498}
411 499
412rxvt_img * 500rxvt_img *
413rxvt_img::scale (int new_width, int new_height) 501rxvt_img::scale (int new_width, int new_height)
414{ 502{
503 if (w == new_width && h == new_height)
504 return clone ();
505
415 double matrix[9] = { 506 double matrix[9] = {
416 w / (double)new_width, 0, 0, 507 w / (double)new_width, 0, 0,
417 0, h / (double)new_height, 0, 508 0, h / (double)new_height, 0,
418 0, 0, 1 509 0, 0, 1
419 }; 510 };
420 511
512 int old_repeat_mode = repeat;
513 repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
514
421 return transform (new_width, new_height, matrix); 515 rxvt_img *img = transform (new_width, new_height, matrix);
422}
423 516
517 repeat = old_repeat_mode;
518 img->repeat = repeat;
519
520 return img;
521}
522
424rxvt_img * 523rxvt_img *
425rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) 524rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
426{ 525{
427 double s = sin (phi); 526 double s = sin (phi);
428 double c = cos (phi); 527 double c = cos (phi);
429 528
430 double matrix[9] = { 529 double matrix[9] = {
431 c, -s, -c * x + s * y + x, 530 c, -s, -c * x + s * y + x,
432 s, c, -s * x - c * y + y, 531 s, c, -s * x - c * y + y,
433 0, 0, 1 532 0, 0, 1
434 }; 533 };
435 534
436 return transform (new_width, new_height, matrix, repeat); 535 return transform (new_width, new_height, matrix);
437} 536}
438 537
439rxvt_img * 538rxvt_img *
440rxvt_img::convert_to (XRenderPictFormat *new_format) 539rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
441{ 540{
541 if (new_format == format)
542 return clone ();
543
442 rxvt_img *img = new rxvt_img (s, new_format, w, h); 544 rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
545 img->alloc ();
443 546
444 Display *dpy = s->display->dpy; 547 Display *dpy = s->display->dpy;
445 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 548 Picture src = src_picture ();
446 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 549 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
550 int op = PictOpSrc;
447 551
552 if (format->direct.alphaMask && !new_format->direct.alphaMask)
553 {
554 // does it have to be that complicated
555 rgba c;
556 bg.get (c);
557
558 XRenderColor rc = { c.r, c.g, c.b, 0xffff };
559 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
560
561 op = PictOpOver;
562 }
563
448 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 564 XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
449 565
450 XRenderFreePicture (dpy, src); 566 XRenderFreePicture (dpy, src);
451 XRenderFreePicture (dpy, dst); 567 XRenderFreePicture (dpy, dst);
452 568
453 return img; 569 return img;
456rxvt_img * 572rxvt_img *
457rxvt_img::blend (rxvt_img *img, double factor) 573rxvt_img::blend (rxvt_img *img, double factor)
458{ 574{
459 rxvt_img *img2 = clone (); 575 rxvt_img *img2 = clone ();
460 Display *dpy = s->display->dpy; 576 Display *dpy = s->display->dpy;
461 Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 577 Picture src = img->src_picture ();
462 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); 578 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
463 Picture mask = create_xrender_mask (dpy, img->pm, False); 579 Picture mask = create_xrender_mask (dpy, img->pm, False);
464 580
465 XRenderColor mask_c; 581 XRenderColor mask_c;
466 582

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