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Type: Bug
Resolution: Fixed
Priority: P1: Critical
Fix Version/s: 6.2.13
Affects Version/s: 5.14.0, 6.2.12
Component/s: GUI: Text handling
Labels:
None

Platform/s:

Linux/X11
Commits:
9d0f9c038 (tqtc/lts-5.15), f7e487566 (tqtc/lts-6.2)

Description

import QtQuick 2.5

Text {
    textFormat: Text.PlainText
    text: "�"
    font.family: "Noto Color Emoji"
    style: Text.Raised // deleting this "solves" the issue
}

(Jira renders that wrong, but the text is a smiley face UTF-8 emoji)

Asserts with:

 
#4 0x00007ffff5533b98 in qt_assert (assertion=0x7ffff21eff5b "format == Format_A8", 
 file=0x7ffff21efc20 "/home/david/projects/qt5/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp", line=1161)
 at /home/david/projects/qt5/qtbase/src/corelib/global/qglobal.cpp:3342
 #5 0x00007ffff217c75e in QFontEngineFT::loadGlyph (this=0x7fffdc12e470, set=0x0, glyph=882, subPixelPosition=..., 
 format=QFontEngine::Format_Mono, fetchMetricsOnly=false, disableOutlineDrawing=true)
 at /home/david/projects/qt5/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp:1161
 #6 0x00007ffff21800bf in QFontEngineFT::loadGlyphFor (this=0x7fffdc12e470, g=882, subPixelPosition=..., format=QFontEngine::Format_Mono, t=..., 
 fetchBoundingBox=false, disableOutlineDrawing=true)
 at /home/david/projects/qt5/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp:1871
 #7 0x00007ffff21801f8 in QFontEngineFT::alphaMapForGlyph (this=0x7fffdc12e470, g=882, subPixelPosition=..., t=...)
 at /home/david/projects/qt5/qtbase/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp:1887
 #8 0x00007ffff6abf7c7 in QTextureGlyphCache::textureMapForGlyph (this=0x7fffdc004200, g=882, subPixelPosition=...)
 at /home/david/projects/qt5/qtbase/src/gui/painting/qtextureglyphcache.cpp:272
 #9 0x00007ffff6b6ee23 in QOpenGLTextureGlyphCache::fillTexture (this=0x7fffdc004200, c=..., glyph=882, subPixelPosition=...)
 at /home/david/projects/qt5/qtbase/src/gui/opengl/qopengltextureglyphcache.cpp:438
 #10 0x00007ffff6abf65f in QTextureGlyphCache::fillInPendingGlyphs (this=0x7fffdc004200)
 at /home/david/projects/qt5/qtbase/src/gui/painting/qtextureglyphcache.cpp:254
 #11 0x00007ffff7a4113e in QSGTextMaskMaterial::populate (this=0x7fffdc131180, p=..., glyphIndexes={...}, glyphPositions={...}, 
 geometry=0x7fffdc12f490, boundingRect=0x7fffe4b4e170, baseLine=0x7fffdc12f478, margins=...)
 at /home/david/projects/qt5/qtdeclarative/src/quick/scenegraph/qsgdefaultglyphnode_p.cpp:803
 #12 0x00007ffff7a3bf91 in QSGDefaultGlyphNode::update (this=0x7fffdc12f380)
 at /home/david/projects/qt5/qtdeclarative/src/quick/scenegraph/qsgdefaultglyphnode.cpp:102
 #13 0x00007ffff7b630ab in QQuickTextNode::addGlyphs (this=0x7fffdc1329a0, position=..., glyphs=..., color=..., style=QQuickText::Raised, 
 styleColor=..., parentNode=0x0) at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquicktextnode.cpp:117
 #14 0x00007ffff7b69980 in QQuickTextNodeEngine::addToSceneGraph (this=0x7fffe4b4e470, parentNode=0x7fffdc1329a0, style=QQuickText::Raised, 
 styleColor=...) at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquicktextnodeengine.cpp:791
 #15 0x00007ffff7b63d15 in QQuickTextNode::addTextLayout (this=0x7fffdc1329a0, position=..., textLayout=0x555556004fc8, color=..., 
 style=QQuickText::Raised, styleColor=..., anchorColor=..., selectionColor=..., selectedTextColor=..., selectionStart=-1, selectionEnd=-1, 
 lineStart=0, lineCount=1) at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquicktextnode.cpp:273
 #16 0x00007ffff7b5c2ac in QQuickText::updatePaintNode (this=0x555555cf2d80, oldNode=0x0, data=0x555555f5be20)
 at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquicktext.cpp:2442
 #17 0x00007ffff7aee676 in QQuickWindowPrivate::updateDirtyNode (this=0x555555f5bc80, item=0x555555cf2d80)
 at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquickwindow.cpp:3654
 #18 0x00007ffff7aed2d5 in QQuickWindowPrivate::updateDirtyNodes (this=0x555555f5bc80)
 at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquickwindow.cpp:3399
 #19 0x00007ffff7addb4c in QQuickWindowPrivate::syncSceneGraph (this=0x555555f5bc80)
 at /home/david/projects/qt5/qtdeclarative/src/quick/items/qquickwindow.cpp:448
 #20 0x00007ffff7a66b23 in QSGRenderThread::sync (this=0x555555f64050, inExpose=true, inGrab=false)

Or without the assert crashes with:

0 0x00007f6bcecdfce5 in raise () at /usr/lib/libc.so.6
#1 0x00007f6bcecc9857 in abort () at /usr/lib/libc.so.6
#2 0x00007f6bced232b0 in __libc_message () at /usr/lib/libc.so.6
#3 0x00007f6bced2a74a in () at /usr/lib/libc.so.6
#4 0x00007f6bced2d6b4 in _int_malloc () at /usr/lib/libc.so.6
#5 0x00007f6bced2efb9 in malloc () at /usr/lib/libc.so.6
#6 0x00007f6bcdae904b in QImageData::create(QSize const&, QImage::Format) () at /usr/lib/libQt5Gui.so.5
#7 0x00007f6bcdae918d in QImage::QImage(QSize const&, QImage::Format) () at /usr/lib/libQt5Gui.so.5
#8 0x00007f6bcdae91ca in QImage::QImage(int, int, QImage::Format) () at /usr/lib/libQt5Gui.so.5
#9 0x00007f6bcdaea13c in QImage::copy(QRect const&) const () at /usr/lib/libQt5Gui.so.5
#10 0x00007f6bcdaea6a5 in QImage::detach() () at /usr/lib/libQt5Gui.so.5
#11 0x00007f6bcdaebe7b in QImage::setColor(int, unsigned int) () at /usr/lib/libQt5Gui.so.5
#12 0x00007f6bc6d5a968 in () at /usr/lib/libQt5XcbQpa.so.5
#13 0x00007f6bcddb60de in QTextureGlyphCache::textureMapForGlyph(unsigned int, QFixed) const () at /usr/lib/libQt5Gui.so.5
#14 0x00007f6bcde46bfe in QOpenGLTextureGlyphCache::fillTexture(QTextureGlyphCache::Coord const&, unsigned int, QFixed) () at /usr/lib/libQt5Gui.so.5
#15 0x00007f6bcddb7dd5 in QTextureGlyphCache::fillInPendingGlyphs() () at /usr/lib/libQt5Gui.so.5
#16 0x00007f6bcc1566d1 in () at /usr/lib/libQt5Quick.so.5
#17 0x00007f6bcc1522eb in () at /usr/lib/libQt5Quick.so.5
#18 0x00007f6bcc2271ce in QQuickTextNode::addGlyphs(QPointF const&, QGlyphRun const&, QColor const&, QQuickText::TextStyle, QColor const&, QSGNode*) (

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19 Jun '24 23:55

Gerrit Reviews

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For Gerrit Dashboard: QTBUG-82311
#	Subject	Branch	Project	Status	CR	V
570066,2	QFontEngineFT::alphaMapForGlyph: ask for Format_A8 if glyphs are color	tqtc/lts-5.15	qt/tqtc-qtbase	Status: MERGED	+2	0
570668,2	Ignore Text.style when drawing color glyphs	tqtc/lts-6.2	qt/tqtc-qtdeclarative	Status: MERGED	+2	0

Activity

People

Assignee:: Shawn Rutledge

Reporter:: David Edmundson

Votes:: 2 Vote for this issue

Watchers:: 6 Start watching this issue

Dates

Created:: 18 Feb '20 23:10

Updated:: 22 Jun '24 19:52

Resolved:: 22 Jun '24 19:52

Gerrit Reviews

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Show There are 2 closed Gerrit changes

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QFontEngineFT::alphaMapForGlyph: ask for Format_A8 if glyphs are color: Gerrit Review:

Ignore Text.style when drawing color glyphs: Gerrit Review: