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-rw-r--r--src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp32
-rw-r--r--src/platformsupport/fontdatabases/mac/coretext.pri16
-rw-r--r--src/platformsupport/fontdatabases/mac/qcoretextfontdatabase_p.h8
-rw-r--r--src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp16
-rw-r--r--src/platformsupport/fontdatabases/windows/qwindowsfontengine_p.h2
5 files changed, 19 insertions, 55 deletions
diff --git a/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp b/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
index 85bedff5e6..ec2017ced4 100644
--- a/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
+++ b/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
@@ -66,11 +66,7 @@
#include FT_TYPE1_TABLES_H
#include FT_GLYPH_H
#include FT_MODULE_H
-
-#if defined(FT_LCD_FILTER_H)
#include FT_LCD_FILTER_H
-#define QT_USE_FREETYPE_LCDFILTER
-#endif
#if defined(FT_CONFIG_OPTIONS_H)
#include FT_CONFIG_OPTIONS_H
@@ -125,12 +121,13 @@ class QtFreetypeData
{
public:
QtFreetypeData()
- : library(0)
+ : library(0), hasPatentFreeLcdRendering(false)
{ }
~QtFreetypeData();
FT_Library library;
QHash<QFontEngine::FaceId, QFreetypeFace *> faces;
+ bool hasPatentFreeLcdRendering;
};
QtFreetypeData::~QtFreetypeData()
@@ -164,6 +161,11 @@ QtFreetypeData *qt_getFreetypeData()
FT_Bool no_darkening = false;
FT_Property_Set(freetypeData->library, "cff", "no-stem-darkening", &no_darkening);
#endif
+ // FreeType has since 2.8.1 a patent free alternative to LCD-filtering.
+ FT_Int amajor, aminor = 0, apatch = 0;
+ FT_Library_Version(freetypeData->library, &amajor, &aminor, &apatch);
+ if (QT_VERSION_CHECK(amajor, aminor, apatch) >= QT_VERSION_CHECK(2, 8, 1))
+ freetypeData->hasPatentFreeLcdRendering = true;
}
return freetypeData;
}
@@ -775,10 +777,7 @@ QFontEngineFT::QFontEngineFT(const QFontDef &fd)
default_load_flags = FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH;
default_hint_style = ftInitialDefaultHintStyle;
subpixelType = Subpixel_None;
- lcdFilterType = 0;
-#if defined(FT_LCD_FILTER_H)
lcdFilterType = (int)((quintptr) FT_LCD_FILTER_DEFAULT);
-#endif
defaultFormat = Format_None;
embeddedbitmap = false;
const QByteArray env = qgetenv("QT_NO_FT_CACHE");
@@ -1165,14 +1164,14 @@ QFontEngineFT::Glyph *QFontEngineFT::loadGlyph(QGlyphSet *set, uint glyph,
int glyph_buffer_size = 0;
QScopedArrayPointer<uchar> glyph_buffer;
-#if defined(QT_USE_FREETYPE_LCDFILTER)
bool useFreetypeRenderGlyph = false;
if (slot->format == FT_GLYPH_FORMAT_OUTLINE && (hsubpixel || vfactor != 1)) {
err = FT_Library_SetLcdFilter(slot->library, (FT_LcdFilter)lcdFilterType);
- if (err == FT_Err_Ok)
+ // We use FT_Render_Glyph if freetype has support for lcd-filtering
+ // or is version 2.8.1 or higher and can do without.
+ if (err == FT_Err_Ok || qt_getFreetypeData()->hasPatentFreeLcdRendering)
useFreetypeRenderGlyph = true;
}
-
if (useFreetypeRenderGlyph) {
err = FT_Render_Glyph(slot, hsubpixel ? FT_RENDER_MODE_LCD : FT_RENDER_MODE_LCD_V);
@@ -1193,9 +1192,7 @@ QFontEngineFT::Glyph *QFontEngineFT::loadGlyph(QGlyphSet *set, uint glyph,
convertRGBToARGB(slot->bitmap.buffer, (uint *)glyph_buffer.data(), info.width, info.height, slot->bitmap.pitch, subpixelType != Subpixel_RGB, false);
else if (vfactor != 1)
convertRGBToARGB_V(slot->bitmap.buffer, (uint *)glyph_buffer.data(), info.width, info.height, slot->bitmap.pitch, subpixelType != Subpixel_VRGB, false);
- } else
-#endif
- {
+ } else {
int left = slot->metrics.horiBearingX;
int right = slot->metrics.horiBearingX + slot->metrics.width;
int top = slot->metrics.horiBearingY;
@@ -1262,9 +1259,7 @@ QFontEngineFT::Glyph *QFontEngineFT::loadGlyph(QGlyphSet *set, uint glyph,
Q_ASSERT(antialias);
uchar *convoluted = new uchar[bitmap_buffer_size];
bool useLegacyLcdFilter = false;
-#if defined(FC_LCD_FILTER) && defined(FT_LCD_FILTER_H)
useLegacyLcdFilter = (lcdFilterType == FT_LCD_FILTER_LEGACY);
-#endif
uchar *buffer = bitmap.buffer;
if (!useLegacyLcdFilter) {
convoluteBitmap(bitmap.buffer, convoluted, bitmap.width, info.height, bitmap.pitch);
@@ -1778,7 +1773,10 @@ QFixed QFontEngineFT::scaledBitmapMetrics(QFixed m) const
glyph_metrics_t QFontEngineFT::scaledBitmapMetrics(const glyph_metrics_t &m, const QTransform &t) const
{
- QTransform trans(t);
+ QTransform trans;
+ trans.setMatrix(t.m11(), t.m12(), t.m13(),
+ t.m21(), t.m22(), t.m23(),
+ 0, 0, t.m33());
const qreal scaleFactor = scalableBitmapScaleFactor.toReal();
trans.scale(scaleFactor, scaleFactor);
diff --git a/src/platformsupport/fontdatabases/mac/coretext.pri b/src/platformsupport/fontdatabases/mac/coretext.pri
index 2a9b32f65a..af75aa3281 100644
--- a/src/platformsupport/fontdatabases/mac/coretext.pri
+++ b/src/platformsupport/fontdatabases/mac/coretext.pri
@@ -18,18 +18,4 @@ macos: \
else: \
LIBS_PRIVATE += -framework UIKit
-# CoreText is documented to be available on watchOS, but the headers aren't present
-# in the watchOS Simulator SDK like they are supposed to be. Work around the problem
-# by adding the device SDK's headers to the search path as a fallback.
-# rdar://25314492, rdar://27844864
-watchos:simulator {
- simulator_system_frameworks = $$xcodeSDKInfo(Path, $${simulator.sdk})/System/Library/Frameworks
- device_system_frameworks = $$xcodeSDKInfo(Path, $${device.sdk})/System/Library/Frameworks
- for (arch, QMAKE_APPLE_SIMULATOR_ARCHS) {
- QMAKE_CXXFLAGS += \
- -Xarch_$${arch} \
- -F$$simulator_system_frameworks \
- -Xarch_$${arch} \
- -F$$device_system_frameworks
- }
-}
+CONFIG += watchos_coretext
diff --git a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase_p.h b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase_p.h
index e14d1d6e6e..7e41e50a04 100644
--- a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase_p.h
+++ b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase_p.h
@@ -57,12 +57,8 @@
#include <qpa/qplatformtheme.h>
#include <private/qcore_mac_p.h>
-#ifdef Q_OS_OSX
-#include <ApplicationServices/ApplicationServices.h>
-#else
-#include <CoreText/CoreText.h>
-#include <CoreGraphics/CoreGraphics.h>
-#endif
+Q_FORWARD_DECLARE_CF_TYPE(CTFontDescriptor);
+Q_FORWARD_DECLARE_CF_TYPE(CTFont);
Q_DECLARE_METATYPE(QCFType<CGFontRef>);
Q_DECLARE_METATYPE(QCFType<CFURLRef>);
diff --git a/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp b/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp
index 1389b497d5..a337332b53 100644
--- a/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp
+++ b/src/platformsupport/fontdatabases/windows/qwindowsfontengine.cpp
@@ -132,20 +132,6 @@ bool QWindowsFontEngine::hasCMapTable() const
return GetFontData(hdc, MAKE_LITTLE_ENDIAN_TAG('c', 'm', 'a', 'p'), 0, 0, 0) != GDI_ERROR;
}
-bool QWindowsFontEngine::hasGlyfTable() const
-{
- HDC hdc = m_fontEngineData->hdc;
- SelectObject(hdc, hfont);
- return GetFontData(hdc, MAKE_LITTLE_ENDIAN_TAG('g', 'l', 'y', 'f'), 0, 0, 0) != GDI_ERROR;
-}
-
-bool QWindowsFontEngine::hasEbdtTable() const
-{
- HDC hdc = m_fontEngineData->hdc;
- SelectObject(hdc, hfont);
- return GetFontData(hdc, MAKE_LITTLE_ENDIAN_TAG('E', 'B', 'D', 'T'), 0, 0, 0) != GDI_ERROR;
-}
-
static inline QString stringFromOutLineTextMetric(const OUTLINETEXTMETRIC *otm, PSTR offset)
{
const uchar *p = reinterpret_cast<const uchar *>(otm) + quintptr(offset);
@@ -276,7 +262,7 @@ QWindowsFontEngine::QWindowsFontEngine(const QString &name,
userData.insert(QStringLiteral("trueType"), QVariant(bool(ttf)));
setUserData(userData);
- hasUnreliableOutline = hasGlyfTable() && hasEbdtTable();
+ hasUnreliableOutline = (tm.tmPitchAndFamily & (TMPF_TRUETYPE | TMPF_VECTOR)) == 0;
}
QWindowsFontEngine::~QWindowsFontEngine()
diff --git a/src/platformsupport/fontdatabases/windows/qwindowsfontengine_p.h b/src/platformsupport/fontdatabases/windows/qwindowsfontengine_p.h
index 5119adc0eb..76b45d7a7b 100644
--- a/src/platformsupport/fontdatabases/windows/qwindowsfontengine_p.h
+++ b/src/platformsupport/fontdatabases/windows/qwindowsfontengine_p.h
@@ -138,8 +138,6 @@ private:
QImage::Format mask_format);
bool hasCFFTable() const;
bool hasCMapTable() const;
- bool hasGlyfTable() const;
- bool hasEbdtTable() const;
const QSharedPointer<QWindowsFontEngineData> m_fontEngineData;