102387 2012-11-15 07:11:32 -0800 [CSS Regions] Rendering in regions is not similar to the reference when using subpixel layout 2025-11-21 12:52:13 -0800 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) Unspecified Unspecified RESOLVED WONTFIX AdobeTracked P2 Normal --- 124234 57312 1 abucur abucur bfulgham donggwan.kim hyatt mibalan mvujovic simon.fraser WebkitBugTracker zooz.sah3 oldest_to_newest 768043 0 174432 abucur 2012-11-15 07:11:32 -0800 Created attachment 174432 Test file Because of rounding issues the rendering in regions when using subpixel layout is not similar to the reference. See the attached test file. 768044 1 174433 abucur 2012-11-15 07:12:06 -0800 Created attachment 174433 Reference for test 900369 2 michelangelo 2013-06-13 20:19:13 -0700 Works for me on today's nightly (r151543) 900958 3 mibalan 2013-06-17 01:32:09 -0700 As long as the sub-pixel layout code is still in WebKit (even if it's disabled in the Mac port), the bug should still be open. 1883074 5 bfulgham 2022-07-13 09:25:57 -0700 CSS Regions were removed in Bug 174978. 174432 2012-11-15 07:11:32 -0800 2012-11-15 07:11:32 -0800 Test file variable-width-regions-subpixel.html text/html 1057 abucur PCFkb2N0eXBlIGh0bWw+CgogPHN0eWxlPgogICAgI2NvbnRlbnQgewogICAgICAgIC13ZWJraXQt Zmxvdy1pbnRvOiBmbG93MTsKICAgICAgICBwYWRkaW5nOiA1cHg7CiAgICB9CiAgICAKICAgICNm aXJzdC1ib3ggewogICAgICAgIGJvcmRlcjogMXB4IHNvbGlkIGJsdWU7CiAgICB9CiAgICAKICAg ICNzZWNvbmQtYm94IHsKICAgICAgICBtYXJnaW46YXV0bzsKICAgICAgICBib3JkZXI6IDFweCBz b2xpZCBncmVlbjsKICAgICAgICB3aWR0aDo3NSUKICAgIH0KICAgIAogICAgI3JlZ2lvbjEsICNy ZWdpb24yLCAjcmVnaW9uMyB7CiAgICAgICAgYm9yZGVyOiAxcHggc29saWQgYmxhY2s7CiAgICAg ICAgLXdlYmtpdC1mbG93LWZyb206IGZsb3cxOwogICAgfQoKICAgICNyZWdpb24xIHsKICAgICAg ICB3aWR0aDogMjcwcHg7CiAgICAgICAgaGVpZ2h0OiAxMDBweDsKICAgIH0KICAgIAogICAgI3Jl Z2lvbjIgewogICAgICAgIHdpZHRoOiA0MDBweDsKICAgICAgICBoZWlnaHQ6IDE4MHB4OwogICAg fQo8L3N0eWxlPgoKPGJvZHk+CjwhLS08cD5UaGUgZmlyc3QgYW5kIGxhc3QgbGluZXMgb2YgdGV4 dCBpbiB0aGUgcmVnaW9ucyBiZWxvdyBzaG91bGQgYmUgY2xpcHBlZCB0byB0aGUgZ3JlZW4gYm94 LiBUaGUgb3ZlcmZsb3cKc2VjdGlvbiBzaXplcyBpdHNlbGYgYW5kIGNsaXBzIGRpZmZlcmVudGx5 IGluIGVhY2ggcmVnaW9uLjwvcD4tLT4KPGRpdiBpZD0iY29udGVudCI+CiAgICA8ZGl2IGlkPSJm aXJzdC1ib3giPgogICAgICAgIDxkaXYgaWQ9InNlY29uZC1ib3giPgogICAgICAgICAgICA8cD5U aGVzZSBsaW5lcyB3aWxsIG5vdCBzcGlsbCBvdXQgb2YgdGhlIHJlZ2lvbnMuIFRoZXNlIGxpbmVz IHdpbGwgbm90IHNwaWxsIG91dC4gVGhlc2UgbGluZXMgd2lsbCBub3Qgc3BpbGwgb3V0LjwvcD4K ICAgICAgICAgICAgTmV4dCByZWdpb24uCiAgICAgICAgPC9kaXY+CiAgICA8L2Rpdj4KPC9kaXY+ Cgo8ZGl2IGlkPSJjb250YWluZXIiPgogICAgPGRpdiBpZD0icmVnaW9uMSI+PC9kaXY+CiAgICA8 ZGl2IGlkPSJyZWdpb24yIj48L2Rpdj4KPC9kaXY+Cg== 174433 2012-11-15 07:12:06 -0800 2012-11-15 07:12:06 -0800 Reference for test variable-width-regions-subpixel-expected.html text/html 1476 abucur PCFkb2N0eXBlIGh0bWw+CgogPHN0eWxlPgogICAgCiAgICAjYmx1ZS1ib3gtMSB7CiAgICAgICAg Ym9yZGVyOiAxcHggc29saWQgYmx1ZTsKICAgIH0KCgkjYmx1ZS1ib3gtMiB7CiAgICAgICAgYm9y ZGVyLWJvdHRvbTogMXB4IHNvbGlkIGJsdWU7CiAgICAgICAgYm9yZGVyLWxlZnQ6IDFweCBzb2xp ZCBibHVlOwogICAgICAgIGJvcmRlci1yaWdodDogMXB4IHNvbGlkIGJsdWU7CiAgICB9CiAgICAK ICAgICNncmVlbi1ib3gtMSB7CiAgICAgICAgbWFyZ2luOmF1dG87CiAgICAgICAgYm9yZGVyOiAx cHggc29saWQgZ3JlZW47CiAgICAgICAgcGFkZGluZy1ib3R0b206MXB4OwogICAgICAgIHdpZHRo Ojc1JQogICAgfQogCiAgICNncmVlbi1ib3gtMiB7CiAgICAgICAgbWFyZ2luOmF1dG87CiAgICAg ICAgYm9yZGVyLWJvdHRvbTogMXB4IHNvbGlkIGdyZWVuOwogICAgICAgIGJvcmRlci1sZWZ0OiAx cHggc29saWQgZ3JlZW47CiAgICAgICAgYm9yZGVyLXJpZ2h0OiAxcHggc29saWQgZ3JlZW47CiAg ICAgICAgd2lkdGg6NzUlCiAgICB9CiAgICAKICAgICNyZWdpb24xLCAjcmVnaW9uMiwgI3JlZ2lv bjMgewogICAgICAgIGJvcmRlcjogMXB4IHNvbGlkIGJsYWNrOwogICAgfQoKICAgICNyZWdpb24x IHsKICAgICAgICB3aWR0aDogMjYwcHg7CiAgICAgICAgaGVpZ2h0OiA5NXB4OwogICAgICAgIHBh ZGRpbmctdG9wOjVweDsKICAgICAgICBwYWRkaW5nLWxlZnQ6NXB4OwogICAgICAgIHBhZGRpbmct cmlnaHQ6NXB4OwogICAgICAgIG92ZXJmbG93OmhpZGRlbjsKICAgIH0KICAgIAogICAgI3JlZ2lv bjIgewogICAgICAgIHdpZHRoOiAzOTBweDsKICAgICAgICBoZWlnaHQ6IDE4MHB4OwogICAgICAg IHBhZGRpbmctbGVmdDo1cHg7CiAgICAgICAgcGFkZGluZy1yaWdodDo1cHg7CiAgICB9Cjwvc3R5 bGU+Cgo8Ym9keT4KPCEtLTxwPlRoZSBmaXJzdCBhbmQgbGFzdCBsaW5lcyBvZiB0ZXh0IGluIHRo ZSByZWdpb25zIGJlbG93IHNob3VsZCBiZSBjbGlwcGVkIHRvIHRoZSBncmVlbiBib3guIFRoZSBv dmVyZmxvdwpzZWN0aW9uIHNpemVzIGl0c2VsZiBhbmQgY2xpcHMgZGlmZmVyZW50bHkgaW4gZWFj aCByZWdpb24uPC9wPi0tPgo8ZGl2IGlkPSJyZWdpb24xIj4KICAgIDxkaXYgaWQ9ImJsdWUtYm94 LTEiPgogICAgICAgIDxkaXYgaWQ9ImdyZWVuLWJveC0xIj4KICAgICAgICAgICAgPHA+VGhlc2Ug bGluZXMgd2lsbCBub3Qgc3BpbGwgb3V0IG9mIHRoZSByZWdpb25zLiBUaGVzZSBsaW5lcyB3aWxs IG5vdCBzcGlsbCBvdXQuIFRoZXNlIGxpbmVzIHdpbGwgbm90IHNwaWxsIG91dC48L3A+CiAgICAg ICAgIDwvZGl2PgogICAgPC9kaXY+CjwvZGl2Pgo8ZGl2IGlkPSJyZWdpb24yIj4KICAgIDxkaXYg aWQ9ImJsdWUtYm94LTIiPgoJICAgIDxkaXYgaWQ9ImdyZWVuLWJveC0yIj4KICAgICAgICAgICAg IE5leHQgcmVnaW9uLgogICAgICAgIDwvZGl2PiAgICAKICAgIDwvZGl2Pgo8L2Rpdj4K