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include LogicalFontInstance font scale in SalLayoutGlyphsCache key

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For some reason it may differ even if vcl::Font is the same.
Without this ScExportTest2::testTdf66668 fails.

Change-Id: I728a0848ac0420ce0d746134c7072f6ab59f2761
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133537
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
This commit is contained in:
Luboš Luňák 2022-04-28 08:38:17 +02:00
parent f8d6ec1a51
commit 12dcfc191b
3 changed files with 15 additions and 5 deletions
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2
include/vcl/glyphitemcache.hxx
View File

@ -71,6 +71,8 @@ private:
tools::Long logicWidth;
VclPtr<const OutputDevice> outputDevice;
vcl::Font font;
double fontScaleX;
double fontScaleY;
MapMode mapMode;
bool rtl;
vcl::text::ComplexTextLayoutFlags layoutMode;

3
include/vcl/outdev.hxx
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@ -1192,8 +1192,9 @@ public:
//If bNewFontLists is true then drop and refetch lists of system fonts
SAL_DLLPRIVATE static void ImplUpdateAllFontData( bool bNewFontLists );
protected:
SAL_DLLPRIVATE const LogicalFontInstance* GetFontInstance() const;
protected:
SAL_DLLPRIVATE tools::Long GetEmphasisAscent() const { return mnEmphasisAscent; }
SAL_DLLPRIVATE tools::Long GetEmphasisDescent() const { return mnEmphasisDescent; }

15
vcl/source/gdi/impglyphitem.cxx
View File

@ -364,6 +364,9 @@ SalLayoutGlyphsCache::CachedGlyphsKey::CachedGlyphsKey(const VclPtr<const Output
, layoutMode(outputDevice->GetLayoutMode())
, digitLanguage(outputDevice->GetDigitLanguage())
{
const LogicalFontInstance* fi = outputDevice->GetFontInstance();
fi->GetScale(&fontScaleX, &fontScaleY);
hashValue = 0;
o3tl::hash_combine(hashValue, vcl::text::FirstCharsStringHash()(text));
o3tl::hash_combine(hashValue, index);
@ -371,7 +374,13 @@ SalLayoutGlyphsCache::CachedGlyphsKey::CachedGlyphsKey(const VclPtr<const Output
o3tl::hash_combine(hashValue, logicWidth);
o3tl::hash_combine(hashValue, outputDevice.get());
// Need to use IgnoreColor, because sometimes the color changes, but it's irrelevant
// for text layout (and also obsolete in vcl::Font).
o3tl::hash_combine(hashValue, font.GetHashValueIgnoreColor());
// For some reason font scale may differ even if vcl::Font is the same,
// so explicitly check it too.
o3tl::hash_combine(hashValue, fontScaleX);
o3tl::hash_combine(hashValue, fontScaleY);
o3tl::hash_combine(hashValue, mapMode.GetHashValue());
o3tl::hash_combine(hashValue, rtl);
o3tl::hash_combine(hashValue, layoutMode);
@ -383,10 +392,8 @@ inline bool SalLayoutGlyphsCache::CachedGlyphsKey::operator==(const CachedGlyphs
return hashValue == other.hashValue && index == other.index && len == other.len
&& logicWidth == other.logicWidth && outputDevice == other.outputDevice
&& mapMode == other.mapMode && rtl == other.rtl && layoutMode == other.layoutMode
&& digitLanguage == other.digitLanguage
// Need to use EqualIgnoreColor, because sometimes the color changes, but it's irrelevant
// for text layout (and also obsolete in vcl::Font).
&& font.EqualIgnoreColor(other.font)
&& digitLanguage == other.digitLanguage && fontScaleX == other.fontScaleX
&& fontScaleY == other.fontScaleY && font.EqualIgnoreColor(other.font)
&& vcl::text::FastStringCompareEqual()(text, other.text);
// Slower things last in the comparison.
}