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13 | rxvt_img::rxvt_img (const rxvt_img &img) |
13 | rxvt_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) |
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 | { |
15 | { |
16 | ++ref->cnt; |
16 | ++ref->cnt; |
17 | } |
17 | } |
18 | |
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19 | #if 0 |
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20 | rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) |
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21 | : s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap) |
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22 | { |
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23 | } |
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24 | #endif |
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25 | |
18 | |
26 | rxvt_img * |
19 | rxvt_img * |
27 | rxvt_img::new_from_root (rxvt_screen *s) |
20 | rxvt_img::new_from_root (rxvt_screen *s) |
28 | { |
21 | { |
29 | Display *dpy = s->display->dpy; |
22 | Display *dpy = s->display->dpy; |
… | |
… | |
56 | img->ref->ours = false; |
49 | img->ref->ours = false; |
57 | |
50 | |
58 | return img; |
51 | return img; |
59 | } |
52 | } |
60 | |
53 | |
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54 | # if HAVE_PIXBUF |
61 | rxvt_img * |
55 | rxvt_img * |
62 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
56 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
63 | { |
57 | { |
64 | Display *dpy = s->display->dpy; |
58 | Display *dpy = s->display->dpy; |
65 | |
59 | |
… | |
… | |
173 | |
167 | |
174 | g_object_unref (pb); |
168 | g_object_unref (pb); |
175 | |
169 | |
176 | return img; |
170 | return img; |
177 | } |
171 | } |
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172 | # endif |
178 | |
173 | |
179 | void |
174 | void |
180 | rxvt_img::destroy () |
175 | rxvt_img::destroy () |
181 | { |
176 | { |
182 | if (--ref->cnt) |
177 | if (--ref->cnt) |
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… | |
216 | rxvt_img::unshare () |
211 | rxvt_img::unshare () |
217 | { |
212 | { |
218 | if (ref->cnt == 1 && ref->ours) |
213 | if (ref->cnt == 1 && ref->ours) |
219 | return; |
214 | return; |
220 | |
215 | |
221 | //TODO: maybe should reify instead |
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222 | Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); |
216 | 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); |
217 | 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); |
218 | XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); |
225 | XFreeGC (s->display->dpy, gc); |
219 | XFreeGC (s->display->dpy, gc); |
226 | |
220 | |
… | |
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272 | double *kernel = (double *)malloc (size * sizeof (double)); |
266 | double *kernel = (double *)malloc (size * sizeof (double)); |
273 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
267 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
274 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
268 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
275 | img->alloc (); |
269 | img->alloc (); |
276 | |
270 | |
277 | Picture src = src_picture (); |
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278 | |
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279 | XRenderPictureAttributes pa; |
271 | XRenderPictureAttributes pa; |
280 | pa.repeat = RepeatPad; |
272 | pa.repeat = RepeatPad; |
281 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
273 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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274 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
282 | |
275 | |
283 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
276 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
284 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
277 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
285 | XFreePixmap (dpy, tmp_pm); |
278 | XFreePixmap (dpy, tmp_pm); |
286 | |
279 | |
… | |
… | |
302 | |
295 | |
303 | size = rv * 2 + 1; |
296 | size = rv * 2 + 1; |
304 | get_gaussian_kernel (rv, size, kernel, params); |
297 | get_gaussian_kernel (rv, size, kernel, params); |
305 | ::swap (params[0], params[1]); |
298 | ::swap (params[0], params[1]); |
306 | |
299 | |
307 | XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); |
300 | XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2); |
308 | XRenderComposite (dpy, |
301 | XRenderComposite (dpy, |
309 | PictOpSrc, |
302 | PictOpSrc, |
310 | tmp, |
303 | tmp, |
311 | None, |
304 | None, |
312 | dst, |
305 | dst, |
… | |
… | |
330 | { |
323 | { |
331 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
324 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
332 | |
325 | |
333 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
326 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
334 | XRenderPictureAttributes pa; |
327 | XRenderPictureAttributes pa; |
335 | pa.repeat = True; |
328 | pa.repeat = RepeatNormal; |
336 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
329 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
337 | |
330 | |
338 | XFreePixmap (dpy, pixmap); |
331 | XFreePixmap (dpy, pixmap); |
339 | |
332 | |
340 | return mask; |
333 | return mask; |
341 | } |
334 | } |
342 | |
335 | |
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336 | static void |
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337 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
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338 | { |
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339 | int32_t x = clamp (c, cl0, cl1); |
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340 | c -= x; |
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341 | xc = x; |
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342 | } |
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343 | |
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344 | static bool |
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345 | extract (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) |
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346 | { |
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347 | extract (cl0, cl1, r, xr); |
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348 | extract (cl0, cl1, g, xg); |
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349 | extract (cl0, cl1, b, xb); |
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350 | extract (cl0, cl1, a, xa); |
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351 | |
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352 | return xr | xg | xb | xa; |
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353 | } |
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354 | |
343 | void |
355 | void |
344 | rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
356 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
345 | { |
357 | { |
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358 | unshare (); |
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359 | |
346 | Display *dpy = s->display->dpy; |
360 | Display *dpy = s->display->dpy; |
347 | Picture src = create_xrender_mask (dpy, pm, True); |
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348 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
361 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
349 | |
362 | |
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363 | // loop should not be needed for brightness, as only -1..1 makes sense |
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364 | //while (r | g | b | a) |
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365 | { |
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366 | unsigned short xr, xg, xb, xa; |
350 | XRenderColor mask_c; |
367 | XRenderColor mask_c; |
351 | mask_c.red = r; |
368 | |
352 | mask_c.green = g; |
369 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
353 | mask_c.blue = b; |
370 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
354 | mask_c.alpha = a; |
371 | |
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372 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
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373 | { |
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374 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
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375 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
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376 | mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
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377 | mask_c.green = -mask_c.green; |
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378 | mask_c.blue = -mask_c.blue; |
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379 | mask_c.alpha = -mask_c.alpha; |
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380 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
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381 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
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382 | } |
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383 | } |
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384 | |
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385 | XRenderFreePicture (dpy, dst); |
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386 | } |
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387 | |
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388 | void |
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389 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
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390 | { |
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391 | if (r < 0 || g < 0 || b < 0 || a < 0) |
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392 | rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
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393 | |
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394 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
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395 | img->alloc (); |
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396 | |
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397 | { |
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398 | rxvt_color empty; |
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399 | empty.set (s, rgba (0, 0, 0, 0)); |
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400 | img->fill (empty); |
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401 | } |
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402 | |
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403 | // premultiply (yeah, these are not exact, sue me or fix it) |
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404 | r = (r * (a >> 8)) >> 8; |
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405 | g = (g * (a >> 8)) >> 8; |
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406 | b = (b * (a >> 8)) >> 8; |
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407 | |
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408 | Display *dpy = s->display->dpy; |
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409 | |
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410 | Picture src = src_picture (); |
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411 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
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412 | Picture mul = create_xrender_mask (dpy, pm, True); |
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413 | |
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414 | XRenderPictureAttributes pa; |
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415 | pa.component_alpha = 1; |
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416 | XRenderChangePicture (dpy, mul, CPComponentAlpha, &pa); |
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417 | |
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418 | //TODO: this operator does not yet implement some useful contrast |
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419 | while (r | g | b | a) |
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420 | { |
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421 | unsigned short xr, xg, xb, xa; |
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422 | XRenderColor mask_c; |
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423 | |
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424 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
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425 | { |
355 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
426 | XRenderFillRectangle (dpy, PictOpSrc, mul, &mask_c, 0, 0, 1, 1); |
356 | |
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357 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
427 | XRenderComposite (dpy, PictOpAdd, src, mul, dst, 0, 0, 0, 0, 0, 0, w, h); |
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428 | } |
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429 | } |
358 | |
430 | |
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431 | XRenderFreePicture (dpy, mul); |
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432 | XRenderFreePicture (dpy, dst); |
359 | XRenderFreePicture (dpy, src); |
433 | XRenderFreePicture (dpy, src); |
360 | XRenderFreePicture (dpy, dst); |
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361 | } |
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362 | |
434 | |
363 | void |
435 | ::swap (img->ref, ref); |
364 | rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
436 | ::swap (img->pm , pm ); |
365 | { |
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366 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
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367 | return; |
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368 | |
437 | |
369 | Display *dpy = s->display->dpy; |
438 | delete img; |
370 | Picture src = create_xrender_mask (dpy, pm, True); |
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371 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
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372 | |
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373 | XRenderColor mask_c; |
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374 | mask_c.red = r; |
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375 | mask_c.green = g; |
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376 | mask_c.blue = b; |
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377 | mask_c.alpha = a; |
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378 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
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379 | |
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380 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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381 | |
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382 | XRenderFreePicture (dpy, src); |
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383 | XRenderFreePicture (dpy, dst); |
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384 | } |
439 | } |
385 | |
440 | |
386 | rxvt_img * |
441 | rxvt_img * |
387 | rxvt_img::clone () |
442 | rxvt_img::clone () |
388 | { |
443 | { |
… | |
… | |
415 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
470 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
416 | return clone (); |
471 | return clone (); |
417 | |
472 | |
418 | Display *dpy = s->display->dpy; |
473 | Display *dpy = s->display->dpy; |
419 | |
474 | |
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475 | // add an alpha channel if... |
420 | bool alpha = !format->direct.alphaMask |
476 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
421 | && (x || y) |
477 | && (x || y) // we need one because of non-zero offset |
422 | && repeat == RepeatNone; |
478 | && repeat == RepeatNone; // and we have no good pixels to fill with |
423 | |
479 | |
424 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
480 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
425 | img->alloc (); |
481 | img->alloc (); |
426 | |
482 | |
427 | Picture src = src_picture (); |
483 | Picture src = src_picture (); |
… | |
… | |
477 | |
533 | |
478 | for (int i = 0; i < 3; ++i) |
534 | for (int i = 0; i < 3; ++i) |
479 | for (int j = 0; j < 3; ++j) |
535 | for (int j = 0; j < 3; ++j) |
480 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
536 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
481 | |
537 | |
482 | #if 0 |
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483 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
538 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
484 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
539 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
485 | #endif |
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486 | |
540 | |
487 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
541 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
488 | XRenderSetPictureTransform (dpy, src, &xfrm); |
542 | XRenderSetPictureTransform (dpy, src, &xfrm); |
489 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
543 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
490 | |
544 | |
… | |
… | |
571 | { |
625 | { |
572 | rxvt_img *img2 = clone (); |
626 | rxvt_img *img2 = clone (); |
573 | Display *dpy = s->display->dpy; |
627 | Display *dpy = s->display->dpy; |
574 | Picture src = img->src_picture (); |
628 | Picture src = img->src_picture (); |
575 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
629 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
576 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
630 | |
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631 | Pixmap pixmap = XCreatePixmap (dpy, img->pm, 1, 1, 8); |
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632 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, PictStandardA8); |
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633 | XRenderPictureAttributes pa; |
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634 | pa.repeat = True; |
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635 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
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636 | XFreePixmap (dpy, pixmap); |
577 | |
637 | |
578 | XRenderColor mask_c; |
638 | XRenderColor mask_c; |
579 | |
639 | |
580 | mask_c.alpha = float_to_component (factor); |
640 | mask_c.alpha = float_to_component (factor); |
581 | mask_c.red = |
641 | mask_c.red = |