View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0017286 | Scribus | Story Editor / Text Frames | public | 2024-10-08 20:04 | 2024-11-01 17:52 |
| Reporter | nitramr | Assigned To | nitramr | ||
| Priority | normal | Severity | minor | Reproducibility | always |
| Status | assigned | Resolution | open | ||
| Platform | Desktop PC | OS | Ubuntu | OS Version | 24.04 64-bit |
| Product Version | 1.6.3.svn | ||||
| Summary | 0017286: Text selection highlight has render issues | ||||
| Description | 1. Selecting ligatures If you only select the first part of a ligature, you have an offset for the selection field. See image ligature_issue.png. The attached patch fixes this problem. 2. Selecting different font sizes If you have different font sizes in a line and select all characters, the selection does not adjust to the larger characters. This only happens if the line starts with smaller characters. I could not fix the problem. | ||||
| Steps To Reproduce | Ligature selection 1. Create a text box 2. Select the text box and select a font with ligature, like Cormorant Garamond (free font at Google Fonts) 3. Turn on ligature in Font Features 4. Write some text like ffi 5. Select only on character of the ligature Font Sizes 1. Create a text box 2. Write a couple of letters 3. increase the font size of the last characters 4. start selection on left | ||||
| Tags | No tags attached. | ||||
| Patch | Yes | ||||
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ligatureselection_2024-10-08_01.patch (689 bytes)
Index: scribus/text/boxes.cpp =================================================================== --- scribus/text/boxes.cpp (Revision 26313) +++ scribus/text/boxes.cpp (Arbeitskopie) @@ -572,9 +572,9 @@ qreal firstX = positionToPoint(selectionFirst, item->itemText).x1(); qreal lastX = positionToPoint(selectionLast + 1, item->itemText).x1(); if (m_glyphRun.hasFlag(ScLayout_RightToLeft)) - rect = QRectF(lastX, y(), firstX - lastX, height()); + rect = QRectF(lastX, -ascent(), firstX - lastX, height()); else - rect = QRectF(firstX, y(), lastX - firstX, height()); + rect = QRectF(firstX, -ascent(), lastX - firstX, height()); p->drawRect(rect); } } |
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I tested your patch, unfortunately I do not see any difference on ligatures. i did my tests with Crimson Pro. |
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Hi Jean, thanks for testing it. But you can reproduce the issue, right? |
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Yes, I can reproduce the issue without any problem. |
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Weird... I tested your patch again and now it works... Don't know what happened the first time. So it's now committed. For the second part of the issue, it looks like you should look at LineControl::updateHeightMetrics() in pageitem_textframe.cpp. The line ascent and descent are computed using only the first character of the line. |
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Thanks for your hint. I will take a look. |
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@jghali I found a solution. Please tell me if it is ok like this. textselection_2024-10-22_01.patch (1,332 bytes)
Index: scribus/pageitem_textframe.cpp
===================================================================
--- scribus/pageitem_textframe.cpp (Revision 26361)
+++ scribus/pageitem_textframe.cpp (Arbeitskopie)
@@ -647,11 +647,21 @@
lineData.ascent = lineData.descent = 0;
if (glyphs.isEmpty())
return;
- const CharStyle& cStyle(glyphs.at(0).style());
- double scaleV = cStyle.scaleV() / 1000.0;
- double offset = (cStyle.fontSize() / 10) * (cStyle.baselineOffset() / 1000.0);
- lineData.ascent = cStyle.font().ascent(cStyle.fontSize() / 10.00) * scaleV + offset;
- lineData.descent = cStyle.font().descent(cStyle.fontSize() / 10.00) * scaleV - offset;
+
+ // #17286 seek for largest glphy in line
+ for (int i = 0; i < glyphs.count(); i++)
+ {
+ const CharStyle& cStyle(glyphs.at(i).style());
+ double scaleV = cStyle.scaleV() / 1000.0;
+ double offset = (cStyle.fontSize() / 10) * (cStyle.baselineOffset() / 1000.0);
+ double tmpAscent = cStyle.font().ascent(cStyle.fontSize() / 10.00) * scaleV + offset;
+
+ if (lineData.ascent < tmpAscent)
+ {
+ lineData.ascent = tmpAscent;
+ lineData.descent = cStyle.font().descent(cStyle.fontSize() / 10.00) * scaleV - offset;;
+ }
+ }
}
// yPos should not be changed when all line is already calculated - at new y position there can be overflow!!!
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I tested the patch, it works but unfortunately modifying updateHeightMetrics() has apparently some side effects. For example with the attached document, it gets difficult to select the line starting with "Commençons". 17286_text_selection_highlight.sla (19,613 bytes)
<?xml version="1.0" encoding="UTF-8"?>
<SCRIBUSUTF8NEW Version="1.6.3.svn">
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<COLOR NAME="Black" SPACE="CMYK" C="0" M="0" Y="0" K="100"/>
<COLOR NAME="Blue" SPACE="RGB" R="0" G="0" B="255"/>
<COLOR NAME="Cool Black" SPACE="CMYK" C="60" M="0" Y="0" K="100"/>
<COLOR NAME="Cyan" SPACE="CMYK" C="100" M="0" Y="0" K="0"/>
<COLOR NAME="Green" SPACE="RGB" R="0" G="255" B="0"/>
<COLOR NAME="Magenta" SPACE="CMYK" C="0" M="100" Y="0" K="0"/>
<COLOR NAME="Red" SPACE="RGB" R="255" G="0" B="0"/>
<COLOR NAME="Registration" SPACE="CMYK" C="100" M="100" Y="100" K="100" Register="1"/>
<COLOR NAME="Rich Black" SPACE="CMYK" C="60" M="40" Y="40" K="100"/>
<COLOR NAME="Warm Black" SPACE="CMYK" C="0" M="60" Y="29.8039215686275" K="100"/>
<COLOR NAME="White" SPACE="CMYK" C="0" M="0" Y="0" K="0"/>
<COLOR NAME="Yellow" SPACE="CMYK" C="0" M="0" Y="100" K="0"/>
<HYPHEN/>
<CHARSTYLE CNAME="Default Character Style" DefaultStyle="1" FONT="Arial Regular" FONTSIZE="12" FONTFEATURES="" FEATURES="inherit" FCOLOR="Black" FSHADE="100" HyphenWordMin="3" SCOLOR="Black" BGCOLOR="None" BGSHADE="100" SSHADE="100" TXTSHX="5" TXTSHY="-5" TXTOUT="1" TXTULP="-0.1" TXTULW="-0.1" TXTSTP="-0.1" TXTSTW="-0.1" SCALEH="100" SCALEV="100" BASEO="0" KERN="0" LANGUAGE="fr"/>
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<TableStyle NAME="Default Table Style" DefaultStyle="1" FillColor="None" FillShade="100">
<TableBorderLeft>
<TableBorderLine Width="1" PenStyle="1" Color="Black" Shade="100"/>
</TableBorderLeft>
<TableBorderRight>
<TableBorderLine Width="1" PenStyle="1" Color="Black" Shade="100"/>
</TableBorderRight>
<TableBorderTop>
<TableBorderLine Width="1" PenStyle="1" Color="Black" Shade="100"/>
</TableBorderTop>
<TableBorderBottom>
<TableBorderLine Width="1" PenStyle="1" Color="Black" Shade="100"/>
</TableBorderBottom>
</TableStyle>
<CellStyle NAME="Default Cell Style" DefaultStyle="1" FillColor="None" FillShade="100" LeftPadding="1" RightPadding="1" TopPadding="1" BottomPadding="1">
<TableBorderLeft>
<TableBorderLine Width="1" PenStyle="1" Color="Black" Shade="100"/>
</TableBorderLeft>
<TableBorderRight>
<TableBorderLine Width="1" PenStyle="1" Color="Black" Shade="100"/>
</TableBorderRight>
<TableBorderTop>
<TableBorderLine Width="1" PenStyle="1" Color="Black" Shade="100"/>
</TableBorderTop>
<TableBorderBottom>
<TableBorderLine Width="1" PenStyle="1" Color="Black" Shade="100"/>
</TableBorderBottom>
</CellStyle>
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<Printer firstUse="1" toFile="0" useAltPrintCommand="0" outputSeparations="0" useSpotColors="1" useColor="1" mirrorH="0" mirrorV="0" useICC="0" doGCR="0" doClip="0" setDevParam="0" useDocBleeds="1" cropMarks="0" bleedMarks="0" registrationMarks="0" colorMarks="0" includePDFMarks="1" PSLevel="3" PrintEngine="4" markLength="20.0013" markOffset="0" BleedTop="0" BleedLeft="0" BleedRight="0" BleedBottom="0" printer="Microsoft Print to PDF" filename="" separationName="All" printerCommand=""/>
<PDF firstUse="1" Thumbnails="0" Articles="0" Bookmarks="0" Compress="1" CMethod="0" Quality="0" EmbedPDF="0" MirrorH="0" MirrorV="0" Clip="0" rangeSel="0" rangeTxt="" RotateDeg="0" PresentMode="0" RecalcPic="0" FontEmbedding="0" Grayscale="0" RGBMode="1" UseProfiles="0" UseProfiles2="0" Binding="0" PicRes="300" Resolution="300" Version="14" Intent="1" Intent2="1" SolidP="sRGB IEC61966-2.1" ImageP="sRGB IEC61966-2.1" PrintP="Fogra27L CMYK Coated Press" InfoString="" BTop="0" BLeft="0" BRight="0" BBottom="0" useDocBleeds="1" cropMarks="0" bleedMarks="0" registrationMarks="0" colorMarks="0" docInfoMarks="0" markLength="20.0012598425197" markOffset="0" ImagePr="0" PassOwner="" PassUser="" Permissions="-4" Encrypt="0" UseLayers="0" UseLpi="0" UseSpotColors="1" doMultiFile="0" displayBookmarks="0" displayFullscreen="0" displayLayers="0" displayThumbs="0" hideMenuBar="0" hideToolBar="0" fitWindow="0" openAfterExport="0" PageLayout="0" openAction="">
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<LPI Color="Black" Frequency="133" Angle="45" SpotFunction="3"/>
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<LPI Color="Magenta" Frequency="133" Angle="75" SpotFunction="3"/>
<LPI Color="Yellow" Frequency="133" Angle="90" SpotFunction="3"/>
</PDF>
<DocItemAttributes/>
<TablesOfContents/>
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<notesStyle Name="Default" Start="1" Endnotes="0" Type="Type_1_2_3" Range="0" Prefix="" Suffix=")" AutoHeight="1" AutoWidth="1" AutoRemove="1" AutoWeld="1" SuperNote="1" SuperMaster="1" MarksStyle="" NotesStyle=""/>
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<Set Name="Facing Pages" FirstPage="1" Rows="1" Columns="2">
<PageNames Name="Left Page"/>
<PageNames Name="Right Page"/>
</Set>
<Set Name="3-Fold" FirstPage="0" Rows="1" Columns="3">
<PageNames Name="Left Page"/>
<PageNames Name="Middle"/>
<PageNames Name="Right Page"/>
</Set>
<Set Name="4-Fold" FirstPage="0" Rows="1" Columns="4">
<PageNames Name="Left Page"/>
<PageNames Name="Middle Left"/>
<PageNames Name="Middle Right"/>
<PageNames Name="Right Page"/>
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<Section Number="0" Name="Section 1" From="0" To="0" Type="Type_1_2_3" Start="1" Reversed="0" Active="1" FillChar="0" FieldWidth="0"/>
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<StoryText>
<DefaultStyle/>
<ITEXT CH="a"/>
<ITEXT FONTSIZE="14" CH="a"/>
<ITEXT FONTSIZE="16" CH="a"/>
<ITEXT FONTSIZE="18" CH="a"/>
<ITEXT FONTSIZE="20" CH="a"/>
<ITEXT FONTSIZE="22" CH="a"/>
<ITEXT FONTSIZE="24" CH="a"/>
<ITEXT FONTSIZE="26" CH="a"/>
<ITEXT FONTSIZE="28" CH="a"/>
<ITEXT FONTSIZE="30" CH="a"/>
<ITEXT FONTSIZE="32" CH="a"/>
<ITEXT FONTSIZE="34" CH="a"/>
<ITEXT FONTSIZE="36" CH="a"/>
<ITEXT FONTSIZE="38" CH="a"/>
<ITEXT FONTSIZE="40" CH="a"/>
<ITEXT FONTSIZE="42" CH="a"/>
<ITEXT FONTSIZE="44" CH="a"/>
<ITEXT FONTSIZE="46" CH="a"/>
<ITEXT FONTSIZE="48" CH="a"/>
<ITEXT FONTSIZE="50" CH="a"/>
<ITEXT FONTSIZE="52" CH="a"/>
<ITEXT FONTSIZE="54" CH="a"/>
<ITEXT FONTSIZE="56" CH="a"/>
<ITEXT FONTSIZE="58" CH="a"/>
<ITEXT FONTSIZE="60" CH="a"/>
<para/>
<para/>
<ITEXT FONT="Crimson Pro Regular" FONTSIZE="24" CH="ligature selection : ffi f"/>
<ITEXT FONT="Crimson Pro Regular" FONTSIZE="24" BASEO="30" CH="fi"/>
<ITEXT FONT="Crimson Pro Regular" FONTSIZE="24" CH=" f"/>
<ITEXT FONT="Crimson Pro Regular" FONTSIZE="24" BASEO="-30" CH="fi"/>
<para/>
<ITEXT CH="Commençons par la considération des choses les plus communes, et que nous croyons comprendre le plus distinctement, à savoir les corps que nous touchons et que nous voyons. Je n’entends pas parler des corps en général, car ces notions générales sont d’ordinaire plus confuses, mais de quelqu’un en particulier. Prenons pour exemple ce morceau de cire qui vient d’être tiré de la ruche : il n’a pas encore perdu la douceur du miel qu’il contenait, il retient encore quelque chose de l’odeur des fleurs dont il a été recueilli; sa couleur, sa figure, sa grandeur, sont apparentes; il est dur, il est froid, on le touche, et si vous le frappez, il rendra quelque son."/>
<para/>
<ITEXT CH="Enfin toutes les choses qui peuvent distinctement faire connaître un corps, se rencontrent en celui-ci. Mais voici que, cependant que je parle, on l’approche du feu : ce qui y restait de saveur s’exhale, l’odeur s’évanouit, sa couleur se change, sa figure se perd, sa grandeur augmente, il devient liquide, il s’échauffe, à peine le peut-on toucher, et quoiqu’on le frappe, il ne rendra plus aucun son. La même cire demeure-t-elle après ce changement ? Il faut avouer qu’elle demeure; et personne ne le peut nier. Qu’est-ce donc que l’on connaissait en ce morceau de cire avec tant de distinction ?"/>
<para/>
<ITEXT CH="Certes ce ne peut être rien de tout ce que j’y ai remarqué par l’entremise des sens, puisque toutes les choses qui tombaient sous le goût, ou l’odorat, ou la vue, ou l’attouchement, ou l’ouïe, se trouvent changées, et cependant la même cire demeure. Peut-être était-ce ce que je pense maintenant, à savoir que la cire n’était pas ni cette douceur du miel, ni cette agréable odeur des fleurs, ni cette blancheur, ni cette figure, ni ce son, mais seulement un corps qui un peu auparavant me paraissait sous ces formes, et qui maintenant se fait remarquer sous d’autres. Mais qu’est-ce, précisément parlant, que j’imagine, lorsque je la conçois en cette sorte ?"/>
<para/>
<ITEXT CH="Considérons-le attentivement, et éloignant toutes les choses qui n’appartiennent point à la cire, voyons ce qui reste. Certes il ne demeure rien que quelque chose d’étendu, de flexible et de muable. Or qu’est-ce que cela : flexible et muable ? N’est-ce pas que j’imagine que cette cire étant ronde est capable de devenir carrée, et de passer du carré en une figure triangulaire ? Non certes, ce n’est pas cela, puisque je la conçois capable de recevoir une infinité de semblables changements, et je ne saurais néanmoins parcourir cette infinité par mon imagination, et par conséquent cette conception que j’ai de la cire ne s’accomplit pas par la faculté d’imaginer."/>
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Hi Jean, good catch. To fix it, I removed the offset from the descent calculation. The descent offset behaves strangely, even in 1.6.2. See selection of "Certes". There are still cases that are difficult to solve with fixed line spacing, see screenshot with large "lig". In this case, you can't select "Commençons" either. textselection_2024-11-01_01.patch (1,322 bytes)
Index: scribus/pageitem_textframe.cpp
===================================================================
--- scribus/pageitem_textframe.cpp (Revision 26361)
+++ scribus/pageitem_textframe.cpp (Arbeitskopie)
@@ -647,11 +647,21 @@
lineData.ascent = lineData.descent = 0;
if (glyphs.isEmpty())
return;
- const CharStyle& cStyle(glyphs.at(0).style());
- double scaleV = cStyle.scaleV() / 1000.0;
- double offset = (cStyle.fontSize() / 10) * (cStyle.baselineOffset() / 1000.0);
- lineData.ascent = cStyle.font().ascent(cStyle.fontSize() / 10.00) * scaleV + offset;
- lineData.descent = cStyle.font().descent(cStyle.fontSize() / 10.00) * scaleV - offset;
+
+ // #17286 seek for largest glphy in line
+ for (int i = 0; i < glyphs.count(); i++)
+ {
+ const CharStyle& cStyle(glyphs.at(i).style());
+ double scaleV = cStyle.scaleV() / 1000.0;
+ double offset = (cStyle.fontSize() / 10) * (cStyle.baselineOffset() / 1000.0);
+ double tmpAscent = cStyle.font().ascent(cStyle.fontSize() / 10.00) * scaleV + offset;
+
+ if (lineData.ascent < tmpAscent)
+ {
+ lineData.ascent = tmpAscent;
+ lineData.descent = cStyle.font().descent(cStyle.fontSize() / 10.00) * scaleV;
+ }
+ }
}
// yPos should not be changed when all line is already calculated - at new y position there can be overflow!!!
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| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2024-10-08 20:04 | nitramr | New Issue | |
| 2024-10-08 20:04 | nitramr | File Added: fontsize_issue.png | |
| 2024-10-08 20:04 | nitramr | File Added: ligature_fixed.png | |
| 2024-10-08 20:04 | nitramr | File Added: ligature_issue.png | |
| 2024-10-08 20:04 | nitramr | File Added: ligatureselection_2024-10-08_01.patch | |
| 2024-10-09 19:44 | jghali | Note Added: 0051421 | |
| 2024-10-09 20:55 | nitramr | Note Added: 0051422 | |
| 2024-10-09 23:19 | jghali | Note Added: 0051423 | |
| 2024-10-13 21:38 | jghali | Note Added: 0051431 | |
| 2024-10-13 22:42 | nitramr | Note Added: 0051432 | |
| 2024-10-22 16:54 | nitramr | Note Added: 0051478 | |
| 2024-10-22 16:54 | nitramr | File Added: textselection_2024-10-22_01.patch | |
| 2024-10-29 22:40 | jghali | Note Added: 0051504 | |
| 2024-10-29 22:40 | jghali | File Added: 17286_text_selection_highlight.sla | |
| 2024-11-01 17:42 | nitramr | Note Added: 0051516 | |
| 2024-11-01 17:42 | nitramr | File Added: textselection_2024-11-01_01.patch | |
| 2024-11-01 17:42 | nitramr | File Added: descent 1.6.2.png | |
| 2024-11-01 17:42 | nitramr | File Added: fixedspacing 1.7.0.png | |
| 2024-11-01 17:52 | nitramr | Assigned To | => nitramr |
| 2024-11-01 17:52 | nitramr | Status | new => assigned |
