<div dir="ltr"><div>[Moving gtk-devel-list to BCC] </div>Thanks for testing.<div>I'm sometimes getting it crash as well, so far didn't manage to catch that in gdb. What's the error status, can you check? </div></div><div class="gmail_extra"> <div class="gmail_quote">On Sat, Jul 29, 2017 at 4:45 PM, <<a href="mailto:iofelben@gmail.com" target="_blank">iofelben@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Tried to run gnome-characters with Cairo master, switching to noto- color-emoji crashes with: #0 0x00007fd0ecd2868b in raise () at /lib64/libc.so.6 #1 0x00007fd0ecd2a417 in abort () at /lib64/libc.so.6 #2 0x00007fd0ecd208fa in __assert_fail_base () at /lib64/libc.so.6 #3 0x00007fd0ecd20972 in () at /lib64/libc.so.6 #4 0x00007fd0f1370b6e in _cairo_error (status=status@entry=<a href="tel:3646361312" value="+13646361312">3646361312</a>) at cairo-error.c:68 #5 0x00007fd0f1367802 in _cairo_set_error (cr=0x3dd89ecc00, status=<a href="tel:3646361312" value="+13646361312">3646361312</a>) at cairo.c:400 #6 0x00007fd0f13691b1 in cairo_show_text_glyphs (cr=0x3dd89ecc00, utf8=0x3dd8a41b40 "😀", utf8_len=4, glyphs=0x7fffada90d60, num_glyphs=1 , clusters=0x7fffada91640, num_clusters=1, cluster_flags=(unknown: 0)) at cairo.c:3742 #7 0x00007fd0f0283f69 in pango_cairo_renderer_show_text_glyphs.isra () at /lib64/libpangocairo-1.0.so.0 #8 0x00007fd0f0284161 in pango_cairo_renderer_draw_glyph_item () at /lib64/libpangocairo-1.0.so.0 #9 0x00007fd0f0057e1e in pango_renderer_draw_glyph_item () at /lib64/libpango-1.0.so.0 #10 0x00007fd0f00588b1 in pango_renderer_draw_layout_line () at /lib64/libpango-1.0.so.0 #11 0x00007fd0f0058c65 in pango_renderer_draw_layout () at /lib64/libpango-1.0.so.0 #12 0x00007fd0f028443a in _pango_cairo_do_layout () at /lib64/libpangocairo-1.0.so.0 #13 0x00007fd0ef560bde in ffi_call_unix64 () at /lib64/libffi.so.6 #14 0x00007fd0ef56054f in ffi_call () at /lib64/libffi.so.6 #15 0x00007fd0f10ab6f6 in () at /lib64/libgjs.so.0 #16 0x00007fd0f10ad066 in () at /lib64/libgjs.so.0 #17 0x00007fd0ee3626a8 in js::Invoke(JSContext*, JS::CallArgs, js::MaybeConstruct) () at /lib64/libmozjs-38.so #18 0x00007fd0ee3584cd in Interpret(JSContext*, js::RunState&) () at /lib64/libmozjs-38.so #19 0x00007fd0ee362324 in js::RunScript(JSContext*, js::RunState&) () at /lib64/libmozjs-38.so #20 0x00007fd0ee362614 in js::Invoke(JSContext*, JS::CallArgs, js::MaybeConstruct) () at /lib64/libmozjs-38.so #21 0x00007fd0ee664f13 in js_fun_apply(JSContext*, unsigned int, JS::Value*) () at /lib64/libmozjs-38.so #22 0x00007fd0ee3626a8 in js::Invoke(JSContext*, JS::CallArgs, js::MaybeConstruct) () at /lib64/libmozjs-38.so #23 0x00007fd0ee363243 in js::Invoke(JSContext*, JS::Value const&, JS::Value const&, unsigned int, JS::Value const*, JS::MutableHandle<JS::Value>) () at /lib64/libmozjs-38.so #24 0x00007fd0ee4b5485 in js::jit::DoCallFallback(JSContext*, js::jit::BaselineFrame*, js::jit::ICCall_Fallback*, unsigned int, JS::Value*, JS::MutableHandle<JS::Value>) () at /lib64/libmozjs-38.so #25 0x00007fd0f1877510 in () #26 0x00007fffada948a0 in () #27 0x00007fffada94368 in () #28 0x0000000000000000 in () <div><div class="h5"> On Sat, 2017-07-29 at 16:30 +0100, Behdad Esfahbod wrote: > On Sat, Jul 29, 2017 at 11:58 AM, Uli Schlachter <<a href="mailto:psychon@znc.in">psychon@znc.in</a>> > wrote: > > Hi Behdad > > > > I don't think that is my decision to make. When thinking about > > "fonts in > > cairo", I'm thinking "Behdad". I'm just asking weird questions from > > the > > sideline. :-) > > Thanks. :-) Pushed!!!! At least ten people already asked me "what's > up with emoji" at GUADEC... > > > Uli > > > > P.S.: How relevant and up to date is the CC list here? I always get > > a > > "your message to gtk-devel-list awaits moderator approval"-mail > > when > > replying to this thread... > > > > My messages go through, yours probably don't because you are not a > member. It's valuable still. > > Cheers, > b > > > On 28.07.2017 16:38, Behdad Esfahbod wrote: > > > Uli, > > > > > > Can we commit this? I don't think waiting another few years will > > result in > > > a superior patchset. :) > > > > > > Cheers, > > > > > > behdad > > > > > > On Wed, Jul 19, 2017 at 1:53 AM, Behdad Esfahbod <behdad@behdad.o > > rg> wrote: > > > > > >> Right. In the future we would want to make it show glyphs in > > the input > > >> order, ie. not separate color vs non-color. That's the order > > required by > > >> CSS for example. In a show-text-glyphs call with > > CAIRO_TEXT_CLUSTER_FLAG_BACKWARD, > > >> it might be desirable to show back-to-front. > > >> > > >> On Tue, Jul 18, 2017 at 1:59 PM, Matthias Clasen < > > >> <a href="mailto:matthias.clasen@gmail.com">matthias.clasen@gmail.com</a>> wrote: > > >> > > >>> On Sat, Jul 15, 2017 at 4:05 AM, Uli Schlachter <<a href="mailto:psychon@znc.in">psychon@znc.in</a> > > > wrote: > > >>> > > >>>> On 07.07.2017 15:23, Matthias Clasen wrote: > > >>>>> On Sat, Jul 1, 2017 at 2:25 AM, Uli Schlachter <psychon@znc.i > > n> wrote: > > >>>>>> On 30.06.2017 17:29, Behdad Esfahbod wrote: > > >>>>>>> On Jun 30, 2017 7:51 PM, "Matthias Clasen" <mclasen@redhat. > > com> > > >>>> wrote: > > >>>>>>> On Fri, 2017-06-30 at 17:02 +0200, Uli Schlachter wrote: > > >>>>>>>> On 28.06.2017 14:23, Behdad Esfahbod wrote: > > >>>>>>>>> All of you have asked me about the status of color fonts > > in > > >>>>>>>>> cairo. There's > > >>>>>>>>> some discussion here: > > >>>>>>>> > > >>>>>>>> what was the solution to make this fit into cairo's > > drawing model? > > >>>>>>>> Text > > >>>>>>>> / glyphs are used as a mask and a mask does not have > > colors. > > >>>>>>>> > > >>>>>>> > > >>>>>>> There is no solution to that. The assumption in cairo's > > drawing model > > >>>>>>> about glyphs/fonts has simply been invalidated by reality. > > >>>>>>> > > >>>>>>> > > >>>>>>> Correct. > > >>>>>> > > >>>>>> Okay... so what is the new model? What happens when I draw a > > color > > >>>> glyph > > >>>>>> with operator XOR and a red source? > > >>>>> > > >>>>> > > >>>>> The red source is ignored for color glyphs because they are > > used as the > > >>>>> source. > > >>>> > > >>>> Hi again, > > >>>> > > >>>> I just came up with another question: How are overlapping > > glyphs handled? > > >>>> > > >>>> Let's say I have a red glyph and a blue glyph and I draw them > > in such a > > >>>> way that they overlap. Let's say this additionally overlaps > > with a > > >>>> non-colored glyph in the same position and I use a green > > source with 50% > > >>>> alpha (cairo_set_source_rgba(cr, 0, 1, 0, 0.5)). > > >>>> > > >>>> What's the visible result? > > >>>> > > >>>> > > >>> Here is what my implementation does: It renders the color > > glyphs, in > > >>> order, followed by the non-color glyphs. > > >>> > > >>> In practice, I don't think the case of mixed color and non- > > color glyphs > > >>> in the same call will be all that common. > > >>> Most apps will explicitly set a color font just for the emoji > > and they > > >>> won't render regular text with an emoji font, > > >>> with the result that runs of color glyphs and non-color glyphs > > will > > >>> typically be in separate calls. > > >>> > > >> > > >> > > >> > > >> -- > > >> behdad > > >> <a href="http://behdad.org/" rel="noreferrer" target="_blank">http://behdad.org/</a> > > >> > > > > > > > > > > > > > > > -- > > "Why make things difficult, when it is possible to make them > > cryptic > > and totally illogical, with just a little bit more effort?" -- A. > > P. J. > > > </div></div>> _______________________________________________ > gtk-devel-list mailing list > <a href="mailto:gtk-devel-list@gnome.org">gtk-devel-list@gnome.org</a> > <a href="https://mail.gnome.org/mailman/listinfo/gtk-devel-list" rel="noreferrer" target="_blank">https://mail.gnome.org/mailman/listinfo/gtk-devel-list</a> </blockquote></div> -- <div class="gmail_signature" data-smartmail="gmail_signature">behdad <a href="http://behdad.org/" target="_blank">http://behdad.org/</a></div> </div>