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qt5-qtbase/SOURCES/qtbase-QTBUG-112136.patch

109 lines
5.4 KiB

diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
index 159b490c..110f2dcf 100644
--- a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
+++ b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
@@ -951,6 +951,7 @@ void QFontconfigDatabase::setupFontEngine(QFontEngineFT *engine, const QFontDef
QFontEngine::GlyphFormat format;
// try and get the pattern
FcPattern *pattern = FcPatternCreate();
+ FcPattern *match = NULL;
FcValue value;
value.type = FcTypeString;
@@ -977,7 +978,41 @@ void QFontconfigDatabase::setupFontEngine(QFontEngineFT *engine, const QFontDef
FcConfigSubstitute(nullptr, pattern, FcMatchPattern);
FcDefaultSubstitute(pattern);
- FcPattern *match = FcFontMatch(nullptr, pattern, &result);
+ if (!fid.filename.isEmpty()) {
+ // FC_INDEX is ignored during processing in FcFontMatch.
+ // So iterate FcPatterns directly and find it out.
+ FcFontSet *fcsets[2], *fcfs;
+
+ fcsets[0] = FcConfigGetFonts(nullptr, FcSetSystem);
+ fcsets[1] = FcConfigGetFonts(nullptr, FcSetApplication);
+ for (int nset = 0; nset < 2; nset++) {
+ fcfs = fcsets[nset];
+ for (int fnum = 0; fnum < fcfs->nfont; fnum++) {
+ FcPattern *fcpat = fcfs->fonts[fnum];
+ FcChar8 *fcfile;
+ FcBool variable;
+ int fcindex;
+
+ // FIXME: Ignore a FcPattern which has variable=true at this point.
+ if (FcPatternGetBool(fcpat, FC_VARIABLE, 0, &variable) == FcResultMatch &&
+ variable == FcTrue)
+ continue;
+ if (FcPatternGetString(fcpat, FC_FILE, 0, &fcfile) == FcResultMatch &&
+ FcPatternGetInteger(fcpat, FC_INDEX, 0, &fcindex) == FcResultMatch) {
+ QByteArray f = QByteArray::fromRawData((const char *)fcfile,
+ strlen((const char *)fcfile));
+ if (f == fid.filename && fcindex == fid.index) {
+ // We found it.
+ match = FcFontRenderPrepare(nullptr, pattern, fcpat);
+ goto bail;
+ }
+ }
+ }
+ }
+ }
+bail:
+ if (!match)
+ match = FcFontMatch(nullptr, pattern, &result);
if (match) {
engine->setDefaultHintStyle(defaultHintStyleFromMatch((QFont::HintingPreference)fontDef.hintingPreference, match, useXftConf));
@@ -997,6 +1032,11 @@ void QFontconfigDatabase::setupFontEngine(QFontEngineFT *engine, const QFontDef
antialias = fc_antialias;
}
+ FcBool embolden;
+ engine->auto_embolden = true;
+ if (FcPatternGetBool(match, FC_EMBOLDEN, 0, &embolden) == FcResultMatch)
+ engine->embolden = embolden;
+
if (antialias) {
QFontEngine::SubpixelAntialiasingType subpixelType = QFontEngine::Subpixel_None;
if (!(fontDef.styleStrategy & QFont::NoSubpixelAntialias))
diff --git a/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp b/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
index 52ce36b0..9626490b 100644
--- a/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
+++ b/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
@@ -681,6 +681,7 @@ QFontEngineFT::QFontEngineFT(const QFontDef &fd)
kerning_pairs_loaded = false;
transform = false;
embolden = false;
+ auto_embolden = false;
obliquen = false;
antialias = true;
freetype = nullptr;
@@ -748,7 +749,7 @@ bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat format,
FT_Set_Transform(face, &matrix, nullptr);
freetype->matrix = matrix;
// fake bold
- if ((fontDef.weight >= QFont::Bold) && !(face->style_flags & FT_STYLE_FLAG_BOLD) && !FT_IS_FIXED_WIDTH(face) && !qEnvironmentVariableIsSet("QT_NO_SYNTHESIZED_BOLD")) {
+ if (!auto_embolden && (fontDef.weight >= QFont::Bold) && !(face->style_flags & FT_STYLE_FLAG_BOLD) && !FT_IS_FIXED_WIDTH(face) && !qEnvironmentVariableIsSet("QT_NO_SYNTHESIZED_BOLD")) {
if (const TT_OS2 *os2 = reinterpret_cast<const TT_OS2 *>(FT_Get_Sfnt_Table(face, ft_sfnt_os2))) {
if (os2->usWeightClass < 700 &&
(fontDef.pixelSize < 64 || qEnvironmentVariableIsSet("QT_NO_SYNTHESIZED_BOLD_LIMIT"))) {
@@ -2104,6 +2105,7 @@ bool QFontEngineFT::initFromFontEngine(const QFontEngineFT *fe)
antialias = fe->antialias;
transform = fe->transform;
embolden = fe->embolden;
+ auto_embolden = fe->auto_embolden;
obliquen = fe->obliquen;
subpixelType = fe->subpixelType;
lcdFilterType = fe->lcdFilterType;
diff --git a/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h b/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
index 2e3aef69..4372f913 100644
--- a/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
+++ b/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
@@ -295,6 +295,7 @@ protected:
bool cacheEnabled;
bool forceAutoHint;
bool stemDarkeningDriver;
+ bool auto_embolden; // a flag to decide if embolden is set by fontconfig
private:
friend class QFontEngineFTRawFont;