summaryrefslogtreecommitdiffstats
path: root/src/platformsupport
diff options
context:
space:
mode:
authorTor Arne Vestbø <tor.arne.vestbo@qt.io>2020-03-31 12:25:48 +0200
committerTor Arne Vestbø <tor.arne.vestbo@qt.io>2020-05-27 14:42:59 +0200
commitda1b0d2d6a540e2a824bb0ac4154e0edaaf9ea45 (patch)
tree6060109dcf6e97362250f4151cda79c07c4f8e38 /src/platformsupport
parenta64a0ce3317afa1ff633d1d08904c967dbc6ecad (diff)
Move FreeType font engine/database to QtGui
Task-number: QTBUG-83255 Change-Id: If6be7057d6bd25b34acd99e18658744161985ed0 Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Diffstat (limited to 'src/platformsupport')
-rw-r--r--src/platformsupport/fontdatabases/CMakeLists.txt3
-rw-r--r--src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp2
-rw-r--r--src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase_p.h2
-rw-r--r--src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig.cpp2
-rw-r--r--src/platformsupport/fontdatabases/fontdatabases.pro4
-rw-r--r--src/platformsupport/fontdatabases/freetype/freetype.pri9
-rw-r--r--src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp2126
-rw-r--r--src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h362
-rw-r--r--src/platformsupport/fontdatabases/freetype/qfreetypefontdatabase.cpp224
-rw-r--r--src/platformsupport/fontdatabases/freetype/qfreetypefontdatabase_p.h80
-rw-r--r--src/platformsupport/fontdatabases/genericunix/qgenericunixfontdatabase_p.h2
-rw-r--r--src/platformsupport/fontdatabases/mac/coretext.pri4
-rw-r--r--src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm2
-rw-r--r--src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft.cpp2
-rw-r--r--src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft_p.h2
-rw-r--r--src/platformsupport/fontdatabases/windows/windows.pri1
-rw-r--r--src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase.cpp2
-rw-r--r--src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase_p.h2
18 files changed, 14 insertions, 2817 deletions
diff --git a/src/platformsupport/fontdatabases/CMakeLists.txt b/src/platformsupport/fontdatabases/CMakeLists.txt
index 46919116da..01802f99fd 100644
--- a/src/platformsupport/fontdatabases/CMakeLists.txt
+++ b/src/platformsupport/fontdatabases/CMakeLists.txt
@@ -47,9 +47,6 @@ qt_extend_target(FontDatabaseSupport CONDITION APPLE AND NOT MACOS
)
qt_extend_target(FontDatabaseSupport CONDITION QT_FEATURE_freetype
- SOURCES
- freetype/qfontengine_ft.cpp freetype/qfontengine_ft_p.h
- freetype/qfreetypefontdatabase.cpp freetype/qfreetypefontdatabase_p.h
LIBRARIES
WrapFreetype::WrapFreetype
)
diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
index 7cf91b996b..c6b0485ec5 100644
--- a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
+++ b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase.cpp
@@ -40,7 +40,7 @@
#include "qfontconfigdatabase_p.h"
#include "qfontenginemultifontconfig_p.h"
-#include <QtFontDatabaseSupport/private/qfontengine_ft_p.h>
+#include <QtGui/private/qfontengine_ft_p.h>
#include <QtCore/QList>
#include <QtCore/QElapsedTimer>
diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase_p.h b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase_p.h
index 78e2a4f988..58f549d114 100644
--- a/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase_p.h
+++ b/src/platformsupport/fontdatabases/fontconfig/qfontconfigdatabase_p.h
@@ -52,7 +52,7 @@
//
#include <qpa/qplatformfontdatabase.h>
-#include <QtFontDatabaseSupport/private/qfreetypefontdatabase_p.h>
+#include <QtGui/private/qfreetypefontdatabase_p.h>
QT_BEGIN_NAMESPACE
diff --git a/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig.cpp b/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig.cpp
index cbf0793d75..01d58022f2 100644
--- a/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig.cpp
+++ b/src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig.cpp
@@ -39,7 +39,7 @@
#include "qfontenginemultifontconfig_p.h"
-#include <QtFontDatabaseSupport/private/qfontengine_ft_p.h>
+#include <QtGui/private/qfontengine_ft_p.h>
QT_BEGIN_NAMESPACE
diff --git a/src/platformsupport/fontdatabases/fontdatabases.pro b/src/platformsupport/fontdatabases/fontdatabases.pro
index c3985ed398..f102bb8e9d 100644
--- a/src/platformsupport/fontdatabases/fontdatabases.pro
+++ b/src/platformsupport/fontdatabases/fontdatabases.pro
@@ -11,10 +11,6 @@ darwin {
include($$PWD/mac/coretext.pri)
}
-qtConfig(freetype) {
- include($$PWD/freetype/freetype.pri)
-}
-
unix {
include($$PWD/genericunix/genericunix.pri)
}
diff --git a/src/platformsupport/fontdatabases/freetype/freetype.pri b/src/platformsupport/fontdatabases/freetype/freetype.pri
deleted file mode 100644
index 7bda687ef4..0000000000
--- a/src/platformsupport/fontdatabases/freetype/freetype.pri
+++ /dev/null
@@ -1,9 +0,0 @@
-HEADERS += \
- $$PWD/qfreetypefontdatabase_p.h \
- $$PWD/qfontengine_ft_p.h
-
-SOURCES += \
- $$PWD/qfreetypefontdatabase.cpp \
- $$PWD/qfontengine_ft.cpp
-
-QMAKE_USE_PRIVATE += freetype
diff --git a/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp b/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
deleted file mode 100644
index 1c9a17a3e4..0000000000
--- a/src/platformsupport/fontdatabases/freetype/qfontengine_ft.cpp
+++ /dev/null
@@ -1,2126 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qdir.h"
-#include "qmetatype.h"
-#include "qtextstream.h"
-#include "qvariant.h"
-#include "qfontengine_ft_p.h"
-#include "private/qimage_p.h"
-#include <private/qstringiterator_p.h>
-#include <qguiapplication.h>
-#include <qscreen.h>
-#include <qpa/qplatformscreen.h>
-#include <QtCore/QUuid>
-#include <QtGui/QPainterPath>
-
-#ifndef QT_NO_FREETYPE
-
-#include "qfile.h"
-#include "qfileinfo.h"
-#include <qscopedvaluerollback.h>
-#include "qthreadstorage.h"
-#include <qmath.h>
-#include <qendian.h>
-
-#include <ft2build.h>
-#include FT_FREETYPE_H
-#include FT_OUTLINE_H
-#include FT_SYNTHESIS_H
-#include FT_TRUETYPE_TABLES_H
-#include FT_TYPE1_TABLES_H
-#include FT_GLYPH_H
-#include FT_MODULE_H
-#include FT_LCD_FILTER_H
-
-#if defined(FT_CONFIG_OPTIONS_H)
-#include FT_CONFIG_OPTIONS_H
-#endif
-
-#if defined(FT_FONT_FORMATS_H)
-#include FT_FONT_FORMATS_H
-#endif
-
-#ifdef QT_LINUXBASE
-#include FT_ERRORS_H
-#endif
-
-#if !defined(QT_MAX_CACHED_GLYPH_SIZE)
-# define QT_MAX_CACHED_GLYPH_SIZE 64
-#endif
-
-QT_BEGIN_NAMESPACE
-
-#define FLOOR(x) ((x) & -64)
-#define CEIL(x) (((x)+63) & -64)
-#define TRUNC(x) ((x) >> 6)
-#define ROUND(x) (((x)+32) & -64)
-
-static bool ft_getSfntTable(void *user_data, uint tag, uchar *buffer, uint *length)
-{
- FT_Face face = (FT_Face)user_data;
-
- bool result = false;
- if (FT_IS_SFNT(face)) {
- FT_ULong len = *length;
- result = FT_Load_Sfnt_Table(face, tag, 0, buffer, &len) == FT_Err_Ok;
- *length = len;
- Q_ASSERT(!result || int(*length) > 0);
- }
-
- return result;
-}
-
-static QFontEngineFT::Glyph emptyGlyph;
-
-static const QFontEngine::HintStyle ftInitialDefaultHintStyle =
-#ifdef Q_OS_WIN
- QFontEngineFT::HintFull;
-#else
- QFontEngineFT::HintNone;
-#endif
-
-// -------------------------- Freetype support ------------------------------
-
-class QtFreetypeData
-{
-public:
- QtFreetypeData()
- : library(nullptr)
- { }
- ~QtFreetypeData();
-
- FT_Library library;
- QHash<QFontEngine::FaceId, QFreetypeFace *> faces;
-};
-
-QtFreetypeData::~QtFreetypeData()
-{
- for (QHash<QFontEngine::FaceId, QFreetypeFace *>::ConstIterator iter = faces.cbegin(); iter != faces.cend(); ++iter)
- iter.value()->cleanup();
- faces.clear();
- FT_Done_FreeType(library);
- library = nullptr;
-}
-
-Q_GLOBAL_STATIC(QThreadStorage<QtFreetypeData *>, theFreetypeData)
-
-QtFreetypeData *qt_getFreetypeData()
-{
- QtFreetypeData *&freetypeData = theFreetypeData()->localData();
- if (!freetypeData)
- freetypeData = new QtFreetypeData;
- if (!freetypeData->library) {
- FT_Init_FreeType(&freetypeData->library);
-#if defined(FT_FONT_FORMATS_H)
- // Freetype defaults to disabling stem-darkening on CFF, we re-enable it.
- FT_Bool no_darkening = false;
- FT_Property_Set(freetypeData->library, "cff", "no-stem-darkening", &no_darkening);
-#endif
- }
- return freetypeData;
-}
-
-FT_Library qt_getFreetype()
-{
- QtFreetypeData *freetypeData = qt_getFreetypeData();
- Q_ASSERT(freetypeData->library);
- return freetypeData->library;
-}
-
-int QFreetypeFace::fsType() const
-{
- int fsType = 0;
- TT_OS2 *os2 = (TT_OS2 *)FT_Get_Sfnt_Table(face, ft_sfnt_os2);
- if (os2)
- fsType = os2->fsType;
- return fsType;
-}
-
-int QFreetypeFace::getPointInOutline(glyph_t glyph, int flags, quint32 point, QFixed *xpos, QFixed *ypos, quint32 *nPoints)
-{
- if (int error = FT_Load_Glyph(face, glyph, flags))
- return error;
-
- if (face->glyph->format != FT_GLYPH_FORMAT_OUTLINE)
- return Err_Invalid_SubTable;
-
- *nPoints = face->glyph->outline.n_points;
- if (!(*nPoints))
- return Err_Ok;
-
- if (point > *nPoints)
- return Err_Invalid_SubTable;
-
- *xpos = QFixed::fromFixed(face->glyph->outline.points[point].x);
- *ypos = QFixed::fromFixed(face->glyph->outline.points[point].y);
-
- return Err_Ok;
-}
-
-bool QFreetypeFace::isScalableBitmap() const
-{
-#ifdef FT_HAS_COLOR
- return !FT_IS_SCALABLE(face) && FT_HAS_COLOR(face);
-#else
- return false;
-#endif
-}
-
-extern QByteArray qt_fontdata_from_index(int);
-
-/*
- * One font file can contain more than one font (bold/italic for example)
- * find the right one and return it.
- *
- * Returns the freetype face or 0 in case of an empty file or any other problems
- * (like not being able to open the file)
- */
-QFreetypeFace *QFreetypeFace::getFace(const QFontEngine::FaceId &face_id,
- const QByteArray &fontData)
-{
- if (face_id.filename.isEmpty() && fontData.isEmpty())
- return nullptr;
-
- QtFreetypeData *freetypeData = qt_getFreetypeData();
-
- QFreetypeFace *freetype = freetypeData->faces.value(face_id, 0);
- if (freetype) {
- freetype->ref.ref();
- } else {
- QScopedPointer<QFreetypeFace> newFreetype(new QFreetypeFace);
- FT_Face face;
- if (!face_id.filename.isEmpty()) {
- QString fileName = QFile::decodeName(face_id.filename);
- if (face_id.filename.startsWith(":qmemoryfonts/")) {
- // from qfontdatabase.cpp
- QByteArray idx = face_id.filename;
- idx.remove(0, 14); // remove ':qmemoryfonts/'
- bool ok = false;
- newFreetype->fontData = qt_fontdata_from_index(idx.toInt(&ok));
- if (!ok)
- newFreetype->fontData = QByteArray();
- } else if (!QFileInfo(fileName).isNativePath()) {
- QFile file(fileName);
- if (!file.open(QIODevice::ReadOnly)) {
- return nullptr;
- }
- newFreetype->fontData = file.readAll();
- }
- } else {
- newFreetype->fontData = fontData;
- }
- if (!newFreetype->fontData.isEmpty()) {
- if (FT_New_Memory_Face(freetypeData->library, (const FT_Byte *)newFreetype->fontData.constData(), newFreetype->fontData.size(), face_id.index, &face)) {
- return nullptr;
- }
- } else if (FT_New_Face(freetypeData->library, face_id.filename, face_id.index, &face)) {
- return nullptr;
- }
- newFreetype->face = face;
-
- newFreetype->ref.storeRelaxed(1);
- newFreetype->xsize = 0;
- newFreetype->ysize = 0;
- newFreetype->matrix.xx = 0x10000;
- newFreetype->matrix.yy = 0x10000;
- newFreetype->matrix.xy = 0;
- newFreetype->matrix.yx = 0;
- newFreetype->unicode_map = nullptr;
- newFreetype->symbol_map = nullptr;
-
- memset(newFreetype->cmapCache, 0, sizeof(newFreetype->cmapCache));
-
- for (int i = 0; i < newFreetype->face->num_charmaps; ++i) {
- FT_CharMap cm = newFreetype->face->charmaps[i];
- switch(cm->encoding) {
- case FT_ENCODING_UNICODE:
- newFreetype->unicode_map = cm;
- break;
- case FT_ENCODING_APPLE_ROMAN:
- case FT_ENCODING_ADOBE_LATIN_1:
- if (!newFreetype->unicode_map || newFreetype->unicode_map->encoding != FT_ENCODING_UNICODE)
- newFreetype->unicode_map = cm;
- break;
- case FT_ENCODING_ADOBE_CUSTOM:
- case FT_ENCODING_MS_SYMBOL:
- if (!newFreetype->symbol_map)
- newFreetype->symbol_map = cm;
- break;
- default:
- break;
- }
- }
-
- if (!FT_IS_SCALABLE(newFreetype->face) && newFreetype->face->num_fixed_sizes == 1)
- FT_Set_Char_Size(face, newFreetype->face->available_sizes[0].x_ppem, newFreetype->face->available_sizes[0].y_ppem, 0, 0);
-
- FT_Set_Charmap(newFreetype->face, newFreetype->unicode_map);
- QT_TRY {
- freetypeData->faces.insert(face_id, newFreetype.data());
- } QT_CATCH(...) {
- newFreetype.take()->release(face_id);
- // we could return null in principle instead of throwing
- QT_RETHROW;
- }
- freetype = newFreetype.take();
- }
- return freetype;
-}
-
-void QFreetypeFace::cleanup()
-{
- hbFace.reset();
- FT_Done_Face(face);
- face = nullptr;
-}
-
-void QFreetypeFace::release(const QFontEngine::FaceId &face_id)
-{
- if (!ref.deref()) {
- if (face) {
- QtFreetypeData *freetypeData = qt_getFreetypeData();
-
- cleanup();
-
- auto it = freetypeData->faces.constFind(face_id);
- if (it != freetypeData->faces.constEnd())
- freetypeData->faces.erase(it);
-
- if (freetypeData->faces.isEmpty()) {
- FT_Done_FreeType(freetypeData->library);
- freetypeData->library = nullptr;
- }
- }
-
- delete this;
- }
-}
-
-
-void QFreetypeFace::computeSize(const QFontDef &fontDef, int *xsize, int *ysize, bool *outline_drawing, QFixed *scalableBitmapScaleFactor)
-{
- *ysize = qRound(fontDef.pixelSize * 64);
- *xsize = *ysize * fontDef.stretch / 100;
- *scalableBitmapScaleFactor = 1;
- *outline_drawing = false;
-
- if (!(face->face_flags & FT_FACE_FLAG_SCALABLE)) {
- int best = 0;
- if (!isScalableBitmap()) {
- /*
- * Bitmap only faces must match exactly, so find the closest
- * one (height dominant search)
- */
- for (int i = 1; i < face->num_fixed_sizes; i++) {
- if (qAbs(*ysize - face->available_sizes[i].y_ppem) <
- qAbs(*ysize - face->available_sizes[best].y_ppem) ||
- (qAbs(*ysize - face->available_sizes[i].y_ppem) ==
- qAbs(*ysize - face->available_sizes[best].y_ppem) &&
- qAbs(*xsize - face->available_sizes[i].x_ppem) <
- qAbs(*xsize - face->available_sizes[best].x_ppem))) {
- best = i;
- }
- }
- } else {
- // Select the shortest bitmap strike whose height is larger than the desired height
- for (int i = 1; i < face->num_fixed_sizes; i++) {
- if (face->available_sizes[i].y_ppem < *ysize) {
- if (face->available_sizes[i].y_ppem > face->available_sizes[best].y_ppem)
- best = i;
- } else if (face->available_sizes[best].y_ppem < *ysize) {
- best = i;
- } else if (face->available_sizes[i].y_ppem < face->available_sizes[best].y_ppem) {
- best = i;
- }
- }
- }
-
- // According to freetype documentation we must use FT_Select_Size
- // to make sure we can select the desired bitmap strike index
- if (FT_Select_Size(face, best) == 0) {
- if (isScalableBitmap())
- *scalableBitmapScaleFactor = QFixed::fromReal((qreal)fontDef.pixelSize / face->available_sizes[best].height);
- *xsize = face->available_sizes[best].x_ppem;
- *ysize = face->available_sizes[best].y_ppem;
- } else {
- *xsize = *ysize = 0;
- }
- } else {
- *outline_drawing = (*xsize > (QT_MAX_CACHED_GLYPH_SIZE<<6) || *ysize > (QT_MAX_CACHED_GLYPH_SIZE<<6));
- }
-}
-
-QFontEngine::Properties QFreetypeFace::properties() const
-{
- QFontEngine::Properties p;
- p.postscriptName = FT_Get_Postscript_Name(face);
- PS_FontInfoRec font_info;
- if (FT_Get_PS_Font_Info(face, &font_info) == 0)
- p.copyright = font_info.notice;
- if (FT_IS_SCALABLE(face)) {
- p.ascent = face->ascender;
- p.descent = -face->descender;
- p.leading = face->height - face->ascender + face->descender;
- p.emSquare = face->units_per_EM;
- p.boundingBox = QRectF(face->bbox.xMin, -face->bbox.yMax,
- face->bbox.xMax - face->bbox.xMin,
- face->bbox.yMax - face->bbox.yMin);
- } else {
- p.ascent = QFixed::fromFixed(face->size->metrics.ascender);
- p.descent = QFixed::fromFixed(-face->size->metrics.descender);
- p.leading = QFixed::fromFixed(face->size->metrics.height - face->size->metrics.ascender + face->size->metrics.descender);
- p.emSquare = face->size->metrics.y_ppem;
-// p.boundingBox = QRectF(-p.ascent.toReal(), 0, (p.ascent + p.descent).toReal(), face->size->metrics.max_advance/64.);
- p.boundingBox = QRectF(0, -p.ascent.toReal(),
- face->size->metrics.max_advance/64, (p.ascent + p.descent).toReal() );
- }
- p.italicAngle = 0;
- p.capHeight = p.ascent;
- p.lineWidth = face->underline_thickness;
-
- return p;
-}
-
-bool QFreetypeFace::getSfntTable(uint tag, uchar *buffer, uint *length) const
-{
- return ft_getSfntTable(face, tag, buffer, length);
-}
-
-/* Some fonts (such as MingLiu rely on hinting to scale different
- components to their correct sizes. While this is really broken (it
- should be done in the component glyph itself, not the hinter) we
- will have to live with it.
-
- This means we can not use FT_LOAD_NO_HINTING to get the glyph
- outline. All we can do is to load the unscaled glyph and scale it
- down manually when required.
-*/
-static void scaleOutline(FT_Face face, FT_GlyphSlot g, FT_Fixed x_scale, FT_Fixed y_scale)
-{
- x_scale = FT_MulDiv(x_scale, 1 << 10, face->units_per_EM);
- y_scale = FT_MulDiv(y_scale, 1 << 10, face->units_per_EM);
- FT_Vector *p = g->outline.points;
- const FT_Vector *e = p + g->outline.n_points;
- while (p < e) {
- p->x = FT_MulFix(p->x, x_scale);
- p->y = FT_MulFix(p->y, y_scale);
- ++p;
- }
-}
-
-#define GLYPH2PATH_DEBUG QT_NO_QDEBUG_MACRO // qDebug
-void QFreetypeFace::addGlyphToPath(FT_Face face, FT_GlyphSlot g, const QFixedPoint &point, QPainterPath *path, FT_Fixed x_scale, FT_Fixed y_scale)
-{
- const qreal factor = 1/64.;
- scaleOutline(face, g, x_scale, y_scale);
-
- QPointF cp = point.toPointF();
-
- // convert the outline to a painter path
- int i = 0;
- for (int j = 0; j < g->outline.n_contours; ++j) {
- int last_point = g->outline.contours[j];
- GLYPH2PATH_DEBUG() << "contour:" << i << "to" << last_point;
- QPointF start = QPointF(g->outline.points[i].x*factor, -g->outline.points[i].y*factor);
- if (!(g->outline.tags[i] & 1)) { // start point is not on curve:
- if (!(g->outline.tags[last_point] & 1)) { // end point is not on curve:
- GLYPH2PATH_DEBUG() << " start and end point are not on curve";
- start = (QPointF(g->outline.points[last_point].x*factor,
- -g->outline.points[last_point].y*factor) + start) / 2.0;
- } else {
- GLYPH2PATH_DEBUG() << " end point is on curve, start is not";
- start = QPointF(g->outline.points[last_point].x*factor,
- -g->outline.points[last_point].y*factor);
- }
- --i; // to use original start point as control point below
- }
- start += cp;
- GLYPH2PATH_DEBUG() << " start at" << start;
-
- path->moveTo(start);
- QPointF c[4];
- c[0] = start;
- int n = 1;
- while (i < last_point) {
- ++i;
- c[n] = cp + QPointF(g->outline.points[i].x*factor, -g->outline.points[i].y*factor);
- GLYPH2PATH_DEBUG() << " " << i << c[n] << "tag =" << (int)g->outline.tags[i]
- << ": on curve =" << (bool)(g->outline.tags[i] & 1);
- ++n;
- switch (g->outline.tags[i] & 3) {
- case 2:
- // cubic bezier element
- if (n < 4)
- continue;
- c[3] = (c[3] + c[2])/2;
- --i;
- break;
- case 0:
- // quadratic bezier element
- if (n < 3)
- continue;
- c[3] = (c[1] + c[2])/2;
- c[2] = (2*c[1] + c[3])/3;
- c[1] = (2*c[1] + c[0])/3;
- --i;
- break;
- case 1:
- case 3:
- if (n == 2) {
- GLYPH2PATH_DEBUG() << " lineTo" << c[1];
- path->lineTo(c[1]);
- c[0] = c[1];
- n = 1;
- continue;
- } else if (n == 3) {
- c[3] = c[2];
- c[2] = (2*c[1] + c[3])/3;
- c[1] = (2*c[1] + c[0])/3;
- }
- break;
- }
- GLYPH2PATH_DEBUG() << " cubicTo" << c[1] << c[2] << c[3];
- path->cubicTo(c[1], c[2], c[3]);
- c[0] = c[3];
- n = 1;
- }
-
- if (n == 1) {
- GLYPH2PATH_DEBUG() << " closeSubpath";
- path->closeSubpath();
- } else {
- c[3] = start;
- if (n == 2) {
- c[2] = (2*c[1] + c[3])/3;
- c[1] = (2*c[1] + c[0])/3;
- }
- GLYPH2PATH_DEBUG() << " close cubicTo" << c[1] << c[2] << c[3];
- path->cubicTo(c[1], c[2], c[3]);
- }
- ++i;
- }
-}
-
-extern void qt_addBitmapToPath(qreal x0, qreal y0, const uchar *image_data, int bpl, int w, int h, QPainterPath *path);
-
-void QFreetypeFace::addBitmapToPath(FT_GlyphSlot slot, const QFixedPoint &point, QPainterPath *path)
-{
- if (slot->format != FT_GLYPH_FORMAT_BITMAP
- || slot->bitmap.pixel_mode != FT_PIXEL_MODE_MONO)
- return;
-
- QPointF cp = point.toPointF();
- qt_addBitmapToPath(cp.x() + TRUNC(slot->metrics.horiBearingX), cp.y() - TRUNC(slot->metrics.horiBearingY),
- slot->bitmap.buffer, slot->bitmap.pitch, slot->bitmap.width, slot->bitmap.rows, path);
-}
-
-static inline void convertRGBToARGB(const uchar *src, uint *dst, int width, int height, int src_pitch, bool bgr)
-{
- const int offs = bgr ? -1 : 1;
- const int w = width * 3;
- while (height--) {
- uint *dd = dst;
- for (int x = 0; x < w; x += 3) {
- uchar red = src[x + 1 - offs];
- uchar green = src[x + 1];
- uchar blue = src[x + 1 + offs];
- *dd++ = (0xFFU << 24) | (red << 16) | (green << 8) | blue;
- }
- dst += width;
- src += src_pitch;
- }
-}
-
-static inline void convertRGBToARGB_V(const uchar *src, uint *dst, int width, int height, int src_pitch, bool bgr)
-{
- const int offs = bgr ? -src_pitch : src_pitch;
- while (height--) {
- for (int x = 0; x < width; x++) {
- uchar red = src[x + src_pitch - offs];
- uchar green = src[x + src_pitch];
- uchar blue = src[x + src_pitch + offs];
- *dst++ = (0XFFU << 24) | (red << 16) | (green << 8) | blue;
- }
- src += 3*src_pitch;
- }
-}
-
-static QFontEngine::SubpixelAntialiasingType subpixelAntialiasingTypeHint()
-{
- static int type = -1;
- if (type == -1) {
- if (QScreen *screen = QGuiApplication::primaryScreen())
- type = screen->handle()->subpixelAntialiasingTypeHint();
- }
- return static_cast<QFontEngine::SubpixelAntialiasingType>(type);
-}
-
-QFontEngineFT *QFontEngineFT::create(const QFontDef &fontDef, FaceId faceId, const QByteArray &fontData)
-{
- QScopedPointer<QFontEngineFT> engine(new QFontEngineFT(fontDef));
-
- QFontEngineFT::GlyphFormat format = QFontEngineFT::Format_Mono;
- const bool antialias = !(fontDef.styleStrategy & QFont::NoAntialias);
-
- if (antialias) {
- QFontEngine::SubpixelAntialiasingType subpixelType = subpixelAntialiasingTypeHint();
- if (subpixelType == QFontEngine::Subpixel_None || (fontDef.styleStrategy & QFont::NoSubpixelAntialias)) {
- format = QFontEngineFT::Format_A8;
- engine->subpixelType = QFontEngine::Subpixel_None;
- } else {
- format = QFontEngineFT::Format_A32;
- engine->subpixelType = subpixelType;
- }
- }
-
- if (!engine->init(faceId, antialias, format, fontData) || engine->invalid()) {
- qWarning("QFontEngineFT: Failed to create FreeType font engine");
- return nullptr;
- }
-
- engine->setQtDefaultHintStyle(static_cast<QFont::HintingPreference>(fontDef.hintingPreference));
- return engine.take();
-}
-
-namespace {
- class QFontEngineFTRawData: public QFontEngineFT
- {
- public:
- QFontEngineFTRawData(const QFontDef &fontDef) : QFontEngineFT(fontDef)
- {
- }
-
- void updateFamilyNameAndStyle()
- {
- fontDef.family = QString::fromLatin1(freetype->face->family_name);
-
- if (freetype->face->style_flags & FT_STYLE_FLAG_ITALIC)
- fontDef.style = QFont::StyleItalic;
-
- if (freetype->face->style_flags & FT_STYLE_FLAG_BOLD)
- fontDef.weight = QFont::Bold;
- }
-
- bool initFromData(const QByteArray &fontData)
- {
- FaceId faceId;
- faceId.filename = "";
- faceId.index = 0;
- faceId.uuid = QUuid::createUuid().toByteArray();
-
- return init(faceId, true, Format_None, fontData);
- }
- };
-}
-
-QFontEngineFT *QFontEngineFT::create(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference)
-{
- QFontDef fontDef;
- fontDef.pixelSize = pixelSize;
- fontDef.stretch = QFont::Unstretched;
- fontDef.hintingPreference = hintingPreference;
-
- QFontEngineFTRawData *fe = new QFontEngineFTRawData(fontDef);
- if (!fe->initFromData(fontData)) {
- delete fe;
- return nullptr;
- }
-
- fe->updateFamilyNameAndStyle();
- fe->setQtDefaultHintStyle(static_cast<QFont::HintingPreference>(fontDef.hintingPreference));
-
- return fe;
-}
-
-QFontEngineFT::QFontEngineFT(const QFontDef &fd)
- : QFontEngine(Freetype)
-{
- fontDef = fd;
- matrix.xx = 0x10000;
- matrix.yy = 0x10000;
- matrix.xy = 0;
- matrix.yx = 0;
- cache_cost = 100 * 1024;
- kerning_pairs_loaded = false;
- transform = false;
- embolden = false;
- obliquen = false;
- antialias = true;
- freetype = nullptr;
- default_load_flags = FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH;
- default_hint_style = ftInitialDefaultHintStyle;
- subpixelType = Subpixel_None;
- lcdFilterType = (int)((quintptr) FT_LCD_FILTER_DEFAULT);
- defaultFormat = Format_None;
- embeddedbitmap = false;
- const QByteArray env = qgetenv("QT_NO_FT_CACHE");
- cacheEnabled = env.isEmpty() || env.toInt() == 0;
- m_subPixelPositionCount = 4;
- forceAutoHint = false;
- stemDarkeningDriver = false;
-}
-
-QFontEngineFT::~QFontEngineFT()
-{
- if (freetype)
- freetype->release(face_id);
-}
-
-bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat format,
- const QByteArray &fontData)
-{
- return init(faceId, antialias, format, QFreetypeFace::getFace(faceId, fontData));
-}
-
-static void dont_delete(void*) {}
-
-bool QFontEngineFT::init(FaceId faceId, bool antialias, GlyphFormat format,
- QFreetypeFace *freetypeFace)
-{
- freetype = freetypeFace;
- if (!freetype) {
- xsize = 0;
- ysize = 0;
- return false;
- }
- defaultFormat = format;
- this->antialias = antialias;
-
- if (!antialias)
- glyphFormat = QFontEngine::Format_Mono;
- else
- glyphFormat = defaultFormat;
-
- face_id = faceId;
-
- symbol = freetype->symbol_map != nullptr;
- PS_FontInfoRec psrec;
- // don't assume that type1 fonts are symbol fonts by default
- if (FT_Get_PS_Font_Info(freetype->face, &psrec) == FT_Err_Ok) {
- symbol = bool(fontDef.family.contains(QLatin1String("symbol"), Qt::CaseInsensitive));
- }
-
- freetype->computeSize(fontDef, &xsize, &ysize, &defaultGlyphSet.outline_drawing, &scalableBitmapScaleFactor);
-
- FT_Face face = lockFace();
-
- if (FT_IS_SCALABLE(face)) {
- bool fake_oblique = (fontDef.style != QFont::StyleNormal) && !(face->style_flags & FT_STYLE_FLAG_ITALIC);
- if (fake_oblique)
- obliquen = true;
- 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)) {
- if (const TT_OS2 *os2 = reinterpret_cast<const TT_OS2 *>(FT_Get_Sfnt_Table(face, ft_sfnt_os2))) {
- if (os2->usWeightClass < 700)
- embolden = true;
- }
- }
- // underline metrics
- line_thickness = QFixed::fromFixed(FT_MulFix(face->underline_thickness, face->size->metrics.y_scale));
- underline_position = QFixed::fromFixed(-FT_MulFix(face->underline_position, face->size->metrics.y_scale));
- } else {
- // ad hoc algorithm
- int score = fontDef.weight * fontDef.pixelSize;
- line_thickness = score / 700;
- // looks better with thicker line for small pointsizes
- if (line_thickness < 2 && score >= 1050)
- line_thickness = 2;
- underline_position = ((line_thickness * 2) + 3) / 6;
-
- if (isScalableBitmap()) {
- glyphFormat = defaultFormat = GlyphFormat::Format_ARGB;
- cacheEnabled = false;
- }
- }
- if (line_thickness < 1)
- line_thickness = 1;
-
- metrics = face->size->metrics;
-
- /*
- TrueType fonts with embedded bitmaps may have a bitmap font specific
- ascent/descent in the EBLC table. There is no direct public API
- to extract those values. The only way we've found is to trick freetype
- into thinking that it's not a scalable font in FT_SelectSize so that
- the metrics are retrieved from the bitmap strikes.
- */
- if (FT_IS_SCALABLE(face)) {
- for (int i = 0; i < face->num_fixed_sizes; ++i) {
- if (xsize == face->available_sizes[i].x_ppem && ysize == face->available_sizes[i].y_ppem) {
- face->face_flags &= ~FT_FACE_FLAG_SCALABLE;
-
- FT_Select_Size(face, i);
- if (face->size->metrics.ascender + face->size->metrics.descender > 0) {
- FT_Pos leading = metrics.height - metrics.ascender + metrics.descender;
- metrics.ascender = face->size->metrics.ascender;
- metrics.descender = face->size->metrics.descender;
- if (metrics.descender > 0
- && QString::fromUtf8(face->family_name) == QLatin1String("Courier New")) {
- metrics.descender *= -1;
- }
- metrics.height = metrics.ascender - metrics.descender + leading;
- }
- FT_Set_Char_Size(face, xsize, ysize, 0, 0);
-
- face->face_flags |= FT_FACE_FLAG_SCALABLE;
- break;
- }
- }
- }
-#if defined(FT_FONT_FORMATS_H)
- const char *fmt = FT_Get_Font_Format(face);
- if (fmt && qstrncmp(fmt, "CFF", 4) == 0) {
- FT_Bool no_stem_darkening = true;
- FT_Error err = FT_Property_Get(qt_getFreetype(), "cff", "no-stem-darkening", &no_stem_darkening);
- if (err == FT_Err_Ok)
- stemDarkeningDriver = !no_stem_darkening;
- else
- stemDarkeningDriver = false;
- }
-#endif
-
- fontDef.styleName = QString::fromUtf8(face->style_name);
-
- if (!freetype->hbFace) {
- faceData.user_data = face;
- faceData.get_font_table = ft_getSfntTable;
- (void)harfbuzzFace(); // populates face_
- freetype->hbFace = std::move(face_);
- } else {
- Q_ASSERT(!face_);
- }
- // we share the HB face in QFreeTypeFace, so do not let ~QFontEngine() destroy it
- face_ = Holder(freetype->hbFace.get(), dont_delete);
-
- unlockFace();
-
- fsType = freetype->fsType();
- return true;
-}
-
-void QFontEngineFT::setQtDefaultHintStyle(QFont::HintingPreference hintingPreference)
-{
- switch (hintingPreference) {
- case QFont::PreferNoHinting:
- setDefaultHintStyle(HintNone);
- break;
- case QFont::PreferFullHinting:
- setDefaultHintStyle(HintFull);
- break;
- case QFont::PreferVerticalHinting:
- setDefaultHintStyle(HintLight);
- break;
- case QFont::PreferDefaultHinting:
- setDefaultHintStyle(ftInitialDefaultHintStyle);
- break;
- }
-}
-
-void QFontEngineFT::setDefaultHintStyle(HintStyle style)
-{
- default_hint_style = style;
-}
-
-bool QFontEngineFT::expectsGammaCorrectedBlending() const
-{
- return stemDarkeningDriver;
-}
-
-int QFontEngineFT::loadFlags(QGlyphSet *set, GlyphFormat format, int flags,
- bool &hsubpixel, int &vfactor) const
-{
- int load_flags = FT_LOAD_DEFAULT | default_load_flags;
- int load_target = default_hint_style == HintLight
- ? FT_LOAD_TARGET_LIGHT
- : FT_LOAD_TARGET_NORMAL;
-
- if (format == Format_Mono) {
- load_target = FT_LOAD_TARGET_MONO;
- } else if (format == Format_A32) {
- if (subpixelType == Subpixel_RGB || subpixelType == Subpixel_BGR)
- hsubpixel = true;
- else if (subpixelType == Subpixel_VRGB || subpixelType == Subpixel_VBGR)
- vfactor = 3;
- } else if (format == Format_ARGB) {
-#ifdef FT_LOAD_COLOR
- load_flags |= FT_LOAD_COLOR;
-#endif
- }
-
- if (set && set->outline_drawing)
- load_flags |= FT_LOAD_NO_BITMAP;
-
- if (default_hint_style == HintNone || (flags & DesignMetrics) || (set && set->outline_drawing))
- load_flags |= FT_LOAD_NO_HINTING;
- else
- load_flags |= load_target;
-
- if (forceAutoHint)
- load_flags |= FT_LOAD_FORCE_AUTOHINT;
-
- return load_flags;
-}
-
-static inline bool areMetricsTooLarge(const QFontEngineFT::GlyphInfo &info)
-{
- // false if exceeds QFontEngineFT::Glyph metrics
- return info.width > 0xFF || info.height > 0xFF;
-}
-
-static inline void transformBoundingBox(int *left, int *top, int *right, int *bottom, FT_Matrix *matrix)
-{
- int l, r, t, b;
- FT_Vector vector;
- vector.x = *left;
- vector.y = *top;
- FT_Vector_Transform(&vector, matrix);
- l = r = vector.x;
- t = b = vector.y;
- vector.x = *right;
- vector.y = *top;
- FT_Vector_Transform(&vector, matrix);
- if (l > vector.x) l = vector.x;
- if (r < vector.x) r = vector.x;
- if (t < vector.y) t = vector.y;
- if (b > vector.y) b = vector.y;
- vector.x = *right;
- vector.y = *bottom;
- FT_Vector_Transform(&vector, matrix);
- if (l > vector.x) l = vector.x;
- if (r < vector.x) r = vector.x;
- if (t < vector.y) t = vector.y;
- if (b > vector.y) b = vector.y;
- vector.x = *left;
- vector.y = *bottom;
- FT_Vector_Transform(&vector, matrix);
- if (l > vector.x) l = vector.x;
- if (r < vector.x) r = vector.x;
- if (t < vector.y) t = vector.y;
- if (b > vector.y) b = vector.y;
- *left = l;
- *right = r;
- *top = t;
- *bottom = b;
-}
-
-QFontEngineFT::Glyph *QFontEngineFT::loadGlyph(QGlyphSet *set, uint glyph,
- QFixed subPixelPosition,
- GlyphFormat format,
- bool fetchMetricsOnly,
- bool disableOutlineDrawing) const
-{
-// Q_ASSERT(freetype->lock == 1);
-
- if (format == Format_None)
- format = defaultFormat != Format_None ? defaultFormat : Format_Mono;
- Q_ASSERT(format != Format_None);
-
- Glyph *g = set ? set->getGlyph(glyph, subPixelPosition) : nullptr;
- if (g && g->format == format && (fetchMetricsOnly || g->data))
- return g;
-
- if (!g && set && set->isGlyphMissing(glyph))
- return &emptyGlyph;
-
-
- FT_Face face = freetype->face;
-
- FT_Matrix matrix = freetype->matrix;
-
- FT_Vector v;
- v.x = format == Format_Mono ? 0 : FT_Pos(subPixelPosition.value());
- v.y = 0;
- FT_Set_Transform(face, &matrix, &v);
-
- bool hsubpixel = false;
- int vfactor = 1;
- int load_flags = loadFlags(set, format, 0, hsubpixel, vfactor);
-
- bool transform = matrix.xx != 0x10000
- || matrix.yy != 0x10000
- || matrix.xy != 0
- || matrix.yx != 0;
-
- if (transform || obliquen || (format != Format_Mono && !isScalableBitmap()))
- load_flags |= FT_LOAD_NO_BITMAP;
-
- FT_Error err = FT_Load_Glyph(face, glyph, load_flags);
- if (err && (load_flags & FT_LOAD_NO_BITMAP)) {
- load_flags &= ~FT_LOAD_NO_BITMAP;
- err = FT_Load_Glyph(face, glyph, load_flags);
- }
- if (err == FT_Err_Too_Few_Arguments) {
- // this is an error in the bytecode interpreter, just try to run without it
- load_flags |= FT_LOAD_FORCE_AUTOHINT;
- err = FT_Load_Glyph(face, glyph, load_flags);
- } else if (err == FT_Err_Execution_Too_Long) {
- // This is an error in the bytecode, probably a web font made by someone who
- // didn't test bytecode hinting at all so disable for it for all glyphs.
- qWarning("load glyph failed due to broken hinting bytecode in font, switching to auto hinting");
- default_load_flags |= FT_LOAD_FORCE_AUTOHINT;
- load_flags |= FT_LOAD_FORCE_AUTOHINT;
- err = FT_Load_Glyph(face, glyph, load_flags);
- }
- if (err != FT_Err_Ok) {
- qWarning("load glyph failed err=%x face=%p, glyph=%d", err, face, glyph);
- if (set)
- set->setGlyphMissing(glyph);
- return &emptyGlyph;
- }
-
- FT_GlyphSlot slot = face->glyph;
-
- if (embolden)
- FT_GlyphSlot_Embolden(slot);
- if (obliquen) {
- FT_GlyphSlot_Oblique(slot);
-
- // While Embolden alters the metrics of the slot, oblique does not, so we need
- // to fix this ourselves.
- transform = true;
- FT_Matrix m;
- m.xx = 0x10000;
- m.yx = 0x0;
- m.xy = 0x6000;
- m.yy = 0x10000;
-
- FT_Matrix_Multiply(&m, &matrix);
- }
-
- GlyphInfo info;
- info.linearAdvance = slot->linearHoriAdvance >> 10;
- info.xOff = TRUNC(ROUND(slot->advance.x));
- info.yOff = 0;
-
- if ((set && set->outline_drawing && !disableOutlineDrawing) || fetchMetricsOnly) {
- int left = slot->metrics.horiBearingX;
- int right = slot->metrics.horiBearingX + slot->metrics.width;
- int top = slot->metrics.horiBearingY;
- int bottom = slot->metrics.horiBearingY - slot->metrics.height;
-
- if (transform && slot->format != FT_GLYPH_FORMAT_BITMAP)
- transformBoundingBox(&left, &top, &right, &bottom, &matrix);
-
- left = FLOOR(left);
- right = CEIL(right);
- bottom = FLOOR(bottom);
- top = CEIL(top);
-
- info.x = TRUNC(left);
- info.y = TRUNC(top);
- info.width = TRUNC(right - left);
- info.height = TRUNC(top - bottom);
-
- // If any of the metrics are too large to fit, don't cache them
- if (areMetricsTooLarge(info))
- return nullptr;
-
- g = new Glyph;
- g->data = nullptr;
- g->linearAdvance = info.linearAdvance;
- g->width = info.width;
- g->height = info.height;
- g->x = info.x;
- g->y = info.y;
- g->advance = info.xOff;
- g->format = format;
-
- if (set)
- set->setGlyph(glyph, subPixelPosition, g);
-
- return g;
- }
-
- int glyph_buffer_size = 0;
- QScopedArrayPointer<uchar> glyph_buffer;
- FT_Render_Mode renderMode = (default_hint_style == HintLight) ? FT_RENDER_MODE_LIGHT : FT_RENDER_MODE_NORMAL;
- switch (format) {
- case Format_Mono:
- renderMode = FT_RENDER_MODE_MONO;
- break;
- case Format_A32:
- Q_ASSERT(hsubpixel || vfactor != 1);
- renderMode = hsubpixel ? FT_RENDER_MODE_LCD : FT_RENDER_MODE_LCD_V;
- break;
- case Format_A8:
- case Format_ARGB:
- break;
- default:
- Q_UNREACHABLE();
- }
- FT_Library_SetLcdFilter(slot->library, (FT_LcdFilter)lcdFilterType);
-
- err = FT_Render_Glyph(slot, renderMode);
- if (err != FT_Err_Ok)
- qWarning("render glyph failed err=%x face=%p, glyph=%d", err, face, glyph);
-
- FT_Library_SetLcdFilter(slot->library, FT_LCD_FILTER_NONE);
-
- info.height = slot->bitmap.rows;
- info.width = slot->bitmap.width;
- info.x = slot->bitmap_left;
- info.y = slot->bitmap_top;
- if (slot->bitmap.pixel_mode == FT_PIXEL_MODE_LCD)
- info.width = info.width / 3;
- if (slot->bitmap.pixel_mode == FT_PIXEL_MODE_LCD_V)
- info.height = info.height / vfactor;
-
- int pitch = (format == Format_Mono ? ((info.width + 31) & ~31) >> 3 :
- (format == Format_A8 ? (info.width + 3) & ~3 : info.width * 4));
-
- glyph_buffer_size = info.height * pitch;
- glyph_buffer.reset(new uchar[glyph_buffer_size]);
-
- if (slot->bitmap.pixel_mode == FT_PIXEL_MODE_MONO) {
- uchar *src = slot->bitmap.buffer;
- uchar *dst = glyph_buffer.data();
- int h = slot->bitmap.rows;
- // Some fonts return bitmaps even when we requested something else:
- if (format == Format_Mono) {
- int bytes = ((info.width + 7) & ~7) >> 3;
- while (h--) {
- memcpy (dst, src, bytes);
- dst += pitch;
- src += slot->bitmap.pitch;
- }
- } else if (format == Format_A8) {
- while (h--) {
- for (int x = 0; x < int{info.width}; x++)
- dst[x] = ((src[x >> 3] & (0x80 >> (x & 7))) ? 0xff : 0x00);
- dst += pitch;
- src += slot->bitmap.pitch;
- }
- } else {
- while (h--) {
- uint *dd = reinterpret_cast<uint *>(dst);
- for (int x = 0; x < int{info.width}; x++)
- dd[x] = ((src[x >> 3] & (0x80 >> (x & 7))) ? 0xffffffff : 0x00000000);
- dst += pitch;
- src += slot->bitmap.pitch;
- }
- }
- } else if (slot->bitmap.pixel_mode == 7 /*FT_PIXEL_MODE_BGRA*/) {
- Q_ASSERT(format == Format_ARGB);
- uchar *src = slot->bitmap.buffer;
- uchar *dst = glyph_buffer.data();
- int h = slot->bitmap.rows;
- while (h--) {
-#if Q_BYTE_ORDER == Q_BIG_ENDIAN
- const quint32 *srcPixel = (const quint32 *)src;
- quint32 *dstPixel = (quint32 *)dst;
- for (int x = 0; x < static_cast<int>(slot->bitmap.width); x++, srcPixel++, dstPixel++) {
- const quint32 pixel = *srcPixel;
- *dstPixel = qbswap(pixel);
- }
-#else
- memcpy(dst, src, slot->bitmap.width * 4);
-#endif
- dst += slot->bitmap.pitch;
- src += slot->bitmap.pitch;
- }
- info.linearAdvance = info.xOff = slot->bitmap.width;
- } else if (slot->bitmap.pixel_mode == FT_PIXEL_MODE_GRAY) {
- Q_ASSERT(format == Format_A8);
- uchar *src = slot->bitmap.buffer;
- uchar *dst = glyph_buffer.data();
- int h = slot->bitmap.rows;
- int bytes = info.width;
- while (h--) {
- memcpy (dst, src, bytes);
- dst += pitch;
- src += slot->bitmap.pitch;
- }
- } else if (slot->bitmap.pixel_mode == FT_PIXEL_MODE_LCD) {
- Q_ASSERT(format == Format_A32);
- convertRGBToARGB(slot->bitmap.buffer, (uint *)glyph_buffer.data(), info.width, info.height, slot->bitmap.pitch, subpixelType != Subpixel_RGB);
- } else if (slot->bitmap.pixel_mode == FT_PIXEL_MODE_LCD_V) {
- Q_ASSERT(format == Format_A32);
- convertRGBToARGB_V(slot->bitmap.buffer, (uint *)glyph_buffer.data(), info.width, info.height, slot->bitmap.pitch, subpixelType != Subpixel_VRGB);
- } else {
- qWarning("QFontEngine: Glyph rendered in unknown pixel_mode=%d", slot->bitmap.pixel_mode);
- return nullptr;
- }
-
- if (!g) {
- g = new Glyph;
- g->data = nullptr;
- }
-
- g->linearAdvance = info.linearAdvance;
- g->width = info.width;
- g->height = info.height;
- g->x = info.x;
- g->y = info.y;
- g->advance = info.xOff;
- g->format = format;
- delete [] g->data;
- g->data = glyph_buffer.take();
-
- if (set)
- set->setGlyph(glyph, subPixelPosition, g);
-
- return g;
-}
-
-QFontEngine::FaceId QFontEngineFT::faceId() const
-{
- return face_id;
-}
-
-QFontEngine::Properties QFontEngineFT::properties() const
-{
- Properties p = freetype->properties();
- if (p.postscriptName.isEmpty()) {
- p.postscriptName = QFontEngine::convertToPostscriptFontFamilyName(fontDef.family.toUtf8());
- }
-
- return freetype->properties();
-}
-
-QFixed QFontEngineFT::emSquareSize() const
-{
- if (FT_IS_SCALABLE(freetype->face))
- return freetype->face->units_per_EM;
- else
- return freetype->face->size->metrics.y_ppem;
-}
-
-bool QFontEngineFT::getSfntTableData(uint tag, uchar *buffer, uint *length) const
-{
- return ft_getSfntTable(freetype->face, tag, buffer, length);
-}
-
-int QFontEngineFT::synthesized() const
-{
- int s = 0;
- if ((fontDef.style != QFont::StyleNormal) && !(freetype->face->style_flags & FT_STYLE_FLAG_ITALIC))
- s = SynthesizedItalic;
- if ((fontDef.weight >= QFont::Bold) && !(freetype->face->style_flags & FT_STYLE_FLAG_BOLD))
- s |= SynthesizedBold;
- if (fontDef.stretch != 100 && FT_IS_SCALABLE(freetype->face))
- s |= SynthesizedStretch;
- return s;
-}
-
-void QFontEngineFT::initializeHeightMetrics() const
-{
- m_ascent = QFixed::fromFixed(metrics.ascender);
- m_descent = QFixed::fromFixed(-metrics.descender);
- m_leading = QFixed::fromFixed(metrics.height - metrics.ascender + metrics.descender);
-
- QFontEngine::initializeHeightMetrics();
-
- if (scalableBitmapScaleFactor != 1) {
- m_ascent *= scalableBitmapScaleFactor;
- m_descent *= scalableBitmapScaleFactor;
- m_leading *= scalableBitmapScaleFactor;
- }
-}
-
-QFixed QFontEngineFT::capHeight() const
-{
- TT_OS2 *os2 = (TT_OS2 *)FT_Get_Sfnt_Table(freetype->face, ft_sfnt_os2);
- if (os2 && os2->version >= 2) {
- lockFace();
- QFixed answer = QFixed::fromFixed(FT_MulFix(os2->sCapHeight, freetype->face->size->metrics.y_scale));
- unlockFace();
- return answer;
- }
- return calculatedCapHeight();
-}
-
-QFixed QFontEngineFT::xHeight() const
-{
- TT_OS2 *os2 = (TT_OS2 *)FT_Get_Sfnt_Table(freetype->face, ft_sfnt_os2);
- if (os2 && os2->sxHeight) {
- lockFace();
- QFixed answer = QFixed(os2->sxHeight * freetype->face->size->metrics.y_ppem) / emSquareSize();
- unlockFace();
- return answer;
- }
-
- return QFontEngine::xHeight();
-}
-
-QFixed QFontEngineFT::averageCharWidth() const
-{
- TT_OS2 *os2 = (TT_OS2 *)FT_Get_Sfnt_Table(freetype->face, ft_sfnt_os2);
- if (os2 && os2->xAvgCharWidth) {
- lockFace();
- QFixed answer = QFixed(os2->xAvgCharWidth * freetype->face->size->metrics.x_ppem) / emSquareSize();
- unlockFace();
- return answer;
- }
-
- return QFontEngine::averageCharWidth();
-}
-
-qreal QFontEngineFT::maxCharWidth() const
-{
- QFixed max_advance = QFixed::fromFixed(metrics.max_advance);
- if (scalableBitmapScaleFactor != 1)
- max_advance *= scalableBitmapScaleFactor;
- return max_advance.toReal();
-}
-
-QFixed QFontEngineFT::lineThickness() const
-{
- return line_thickness;
-}
-
-QFixed QFontEngineFT::underlinePosition() const
-{
- return underline_position;
-}
-
-void QFontEngineFT::doKerning(QGlyphLayout *g, QFontEngine::ShaperFlags flags) const
-{
- if (!kerning_pairs_loaded) {
- kerning_pairs_loaded = true;
- lockFace();
- if (freetype->face->size->metrics.x_ppem != 0) {
- QFixed scalingFactor = emSquareSize() / QFixed(freetype->face->size->metrics.x_ppem);
- unlockFace();
- const_cast<QFontEngineFT *>(this)->loadKerningPairs(scalingFactor);
- } else {
- unlockFace();
- }
- }
-
-QT_WARNING_PUSH
-QT_WARNING_DISABLE_DEPRECATED
- if (shouldUseDesignMetrics(flags) && !(fontDef.styleStrategy & QFont::ForceIntegerMetrics))
-QT_WARNING_POP
- flags |= DesignMetrics;
- else
- flags &= ~DesignMetrics;
-
- QFontEngine::doKerning(g, flags);
-}
-
-static inline FT_Matrix QTransformToFTMatrix(const QTransform &matrix)
-{
- FT_Matrix m;
-
- m.xx = FT_Fixed(matrix.m11() * 65536);
- m.xy = FT_Fixed(-matrix.m21() * 65536);
- m.yx = FT_Fixed(-matrix.m12() * 65536);
- m.yy = FT_Fixed(matrix.m22() * 65536);
-
- return m;
-}
-
-QFontEngineFT::QGlyphSet *QFontEngineFT::TransformedGlyphSets::findSet(const QTransform &matrix, const QFontDef &fontDef)
-{
- FT_Matrix m = QTransformToFTMatrix(matrix);
-
- int i = 0;
- for (; i < nSets; ++i) {
- QGlyphSet *g = sets[i];
- if (!g)
- break;
- if (g->transformationMatrix.xx == m.xx
- && g->transformationMatrix.xy == m.xy
- && g->transformationMatrix.yx == m.yx
- && g->transformationMatrix.yy == m.yy) {
-
- // found a match, move it to the front
- moveToFront(i);
- return g;
- }
- }
-
- // don't cache more than nSets transformations
- if (i == nSets)
- // reuse the last set
- --i;
- moveToFront(nSets - 1);
- if (!sets[0])
- sets[0] = new QGlyphSet;
- QGlyphSet *gs = sets[0];
- gs->clear();
- gs->transformationMatrix = m;
- gs->outline_drawing = fontDef.pixelSize * fontDef.pixelSize * qAbs(matrix.determinant()) > QT_MAX_CACHED_GLYPH_SIZE * QT_MAX_CACHED_GLYPH_SIZE;
- Q_ASSERT(gs != nullptr);
-
- return gs;
-}
-
-void QFontEngineFT::TransformedGlyphSets::moveToFront(int i)
-{
- QGlyphSet *g = sets[i];
- while (i > 0) {
- sets[i] = sets[i - 1];
- --i;
- }
- sets[0] = g;
-}
-
-
-QFontEngineFT::QGlyphSet *QFontEngineFT::loadGlyphSet(const QTransform &matrix)
-{
- if (matrix.type() > QTransform::TxShear || !cacheEnabled)
- return 0;
-
- // FT_Set_Transform only supports scalable fonts
- if (!FT_IS_SCALABLE(freetype->face))
- return matrix.type() <= QTransform::TxTranslate ? &defaultGlyphSet : nullptr;
-
- return transformedGlyphSets.findSet(matrix, fontDef);
-}
-
-void QFontEngineFT::getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics)
-{
- FT_Face face = lockFace(Unscaled);
- FT_Set_Transform(face, nullptr, nullptr);
- FT_Load_Glyph(face, glyph, FT_LOAD_NO_BITMAP);
-
- int left = face->glyph->metrics.horiBearingX;
- int right = face->glyph->metrics.horiBearingX + face->glyph->metrics.width;
- int top = face->glyph->metrics.horiBearingY;
- int bottom = face->glyph->metrics.horiBearingY - face->glyph->metrics.height;
-
- QFixedPoint p;
- p.x = 0;
- p.y = 0;
-
- metrics->width = QFixed::fromFixed(right-left);
- metrics->height = QFixed::fromFixed(top-bottom);
- metrics->x = QFixed::fromFixed(left);
- metrics->y = QFixed::fromFixed(-top);
- metrics->xoff = QFixed::fromFixed(face->glyph->advance.x);
-
- if (!FT_IS_SCALABLE(freetype->face))
- QFreetypeFace::addBitmapToPath(face->glyph, p, path);
- else
- QFreetypeFace::addGlyphToPath(face, face->glyph, p, path, face->units_per_EM << 6, face->units_per_EM << 6);
-
- FT_Set_Transform(face, &freetype->matrix, nullptr);
- unlockFace();
-}
-
-bool QFontEngineFT::supportsTransformation(const QTransform &transform) const
-{
- return transform.type() <= QTransform::TxRotate;
-}
-
-void QFontEngineFT::addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags)
-{
- if (!glyphs.numGlyphs)
- return;
-
- if (FT_IS_SCALABLE(freetype->face)) {
- QFontEngine::addOutlineToPath(x, y, glyphs, path, flags);
- } else {
- QVarLengthArray<QFixedPoint> positions;
- QVarLengthArray<glyph_t> positioned_glyphs;
- QTransform matrix;
- matrix.translate(x, y);
- getGlyphPositions(glyphs, matrix, flags, positioned_glyphs, positions);
-
- FT_Face face = lockFace(Unscaled);
- for (int gl = 0; gl < glyphs.numGlyphs; gl++) {
- FT_UInt glyph = positioned_glyphs[gl];
- FT_Load_Glyph(face, glyph, FT_LOAD_TARGET_MONO);
- QFreetypeFace::addBitmapToPath(face->glyph, positions[gl], path);
- }
- unlockFace();
- }
-}
-
-void QFontEngineFT::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int numGlyphs,
- QPainterPath *path, QTextItem::RenderFlags)
-{
- FT_Face face = lockFace(Unscaled);
-
- for (int gl = 0; gl < numGlyphs; gl++) {
- FT_UInt glyph = glyphs[gl];
-
- FT_Load_Glyph(face, glyph, FT_LOAD_NO_BITMAP);
-
- FT_GlyphSlot g = face->glyph;
- if (g->format != FT_GLYPH_FORMAT_OUTLINE)
- continue;
- if (embolden)
- FT_GlyphSlot_Embolden(g);
- if (obliquen)
- FT_GlyphSlot_Oblique(g);
- QFreetypeFace::addGlyphToPath(face, g, positions[gl], path, xsize, ysize);
- }
- unlockFace();
-}
-
-glyph_t QFontEngineFT::glyphIndex(uint ucs4) const
-{
- glyph_t glyph = ucs4 < QFreetypeFace::cmapCacheSize ? freetype->cmapCache[ucs4] : 0;
- if (glyph == 0) {
- FT_Face face = freetype->face;
- glyph = FT_Get_Char_Index(face, ucs4);
- if (glyph == 0) {
- // Certain fonts don't have no-break space and tab,
- // while we usually want to render them as space
- if (ucs4 == QChar::Nbsp || ucs4 == QChar::Tabulation) {
- glyph = FT_Get_Char_Index(face, QChar::Space);
- } else if (freetype->symbol_map) {
- // Symbol fonts can have more than one CMAPs, FreeType should take the
- // correct one for us by default, so we always try FT_Get_Char_Index
- // first. If it didn't work (returns 0), we will explicitly set the
- // CMAP to symbol font one and try again. symbol_map is not always the
- // correct one because in certain fonts like Wingdings symbol_map only
- // contains PUA codepoints instead of the common ones.
- FT_Set_Charmap(face, freetype->symbol_map);
- glyph = FT_Get_Char_Index(face, ucs4);
- FT_Set_Charmap(face, freetype->unicode_map);
- }
- }
- if (ucs4 < QFreetypeFace::cmapCacheSize)
- freetype->cmapCache[ucs4] = glyph;
- }
-
- return glyph;
-}
-
-bool QFontEngineFT::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs,
- QFontEngine::ShaperFlags flags) const
-{
- Q_ASSERT(glyphs->numGlyphs >= *nglyphs);
- if (*nglyphs < len) {
- *nglyphs = len;
- return false;
- }
-
- int glyph_pos = 0;
- if (freetype->symbol_map) {
- FT_Face face = freetype->face;
- QStringIterator it(str, str + len);
- while (it.hasNext()) {
- uint uc = it.next();
- glyphs->glyphs[glyph_pos] = uc < QFreetypeFace::cmapCacheSize ? freetype->cmapCache[uc] : 0;
- if ( !glyphs->glyphs[glyph_pos] ) {
- // Symbol fonts can have more than one CMAPs, FreeType should take the
- // correct one for us by default, so we always try FT_Get_Char_Index
- // first. If it didn't work (returns 0), we will explicitly set the
- // CMAP to symbol font one and try again. symbol_map is not always the
- // correct one because in certain fonts like Wingdings symbol_map only
- // contains PUA codepoints instead of the common ones.
- glyph_t glyph = FT_Get_Char_Index(face, uc);
- // Certain symbol fonts don't have no-break space (0xa0) and tab (0x9),
- // while we usually want to render them as space
- if (!glyph && (uc == 0xa0 || uc == 0x9)) {
- uc = 0x20;
- glyph = FT_Get_Char_Index(face, uc);
- }
- if (!glyph) {
- FT_Set_Charmap(face, freetype->symbol_map);
- glyph = FT_Get_Char_Index(face, uc);
- FT_Set_Charmap(face, freetype->unicode_map);
- }
- glyphs->glyphs[glyph_pos] = glyph;
- if (uc < QFreetypeFace::cmapCacheSize)
- freetype->cmapCache[uc] = glyph;
- }
- ++glyph_pos;
- }
- } else {
- FT_Face face = freetype->face;
- QStringIterator it(str, str + len);
- while (it.hasNext()) {
- uint uc = it.next();
- glyphs->glyphs[glyph_pos] = uc < QFreetypeFace::cmapCacheSize ? freetype->cmapCache[uc] : 0;
- if (!glyphs->glyphs[glyph_pos]) {
- {
- redo:
- glyph_t glyph = FT_Get_Char_Index(face, uc);
- if (!glyph && (uc == 0xa0 || uc == 0x9)) {
- uc = 0x20;
- goto redo;
- }
- glyphs->glyphs[glyph_pos] = glyph;
- if (uc < QFreetypeFace::cmapCacheSize)
- freetype->cmapCache[uc] = glyph;
- }
- }
- ++glyph_pos;
- }
- }
-
- *nglyphs = glyph_pos;
- glyphs->numGlyphs = glyph_pos;
-
- if (!(flags & GlyphIndicesOnly))
- recalcAdvances(glyphs, flags);
-
- return true;
-}
-
-bool QFontEngineFT::shouldUseDesignMetrics(QFontEngine::ShaperFlags flags) const
-{
- if (!FT_IS_SCALABLE(freetype->face))
- return false;
-
- return default_hint_style == HintNone || default_hint_style == HintLight || (flags & DesignMetrics);
-}
-
-QFixed QFontEngineFT::scaledBitmapMetrics(QFixed m) const
-{
- return m * scalableBitmapScaleFactor;
-}
-
-glyph_metrics_t QFontEngineFT::scaledBitmapMetrics(const glyph_metrics_t &m, const QTransform &t) const
-{
- 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);
-
- QRectF rect(m.x.toReal(), m.y.toReal(), m.width.toReal(), m.height.toReal());
- QPointF offset(m.xoff.toReal(), m.yoff.toReal());
-
- rect = trans.mapRect(rect);
- offset = trans.map(offset);
-
- glyph_metrics_t metrics;
- metrics.x = QFixed::fromReal(rect.x());
- metrics.y = QFixed::fromReal(rect.y());
- metrics.width = QFixed::fromReal(rect.width());
- metrics.height = QFixed::fromReal(rect.height());
- metrics.xoff = QFixed::fromReal(offset.x());
- metrics.yoff = QFixed::fromReal(offset.y());
- return metrics;
-}
-
-void QFontEngineFT::recalcAdvances(QGlyphLayout *glyphs, QFontEngine::ShaperFlags flags) const
-{
- FT_Face face = nullptr;
- bool design = shouldUseDesignMetrics(flags);
- for (int i = 0; i < glyphs->numGlyphs; i++) {
- Glyph *g = cacheEnabled ? defaultGlyphSet.getGlyph(glyphs->glyphs[i]) : nullptr;
- // Since we are passing Format_None to loadGlyph, use same default format logic as loadGlyph
- GlyphFormat acceptableFormat = (defaultFormat != Format_None) ? defaultFormat : Format_Mono;
- if (g && g->format == acceptableFormat) {
- glyphs->advances[i] = design ? QFixed::fromFixed(g->linearAdvance) : QFixed(g->advance);
- } else {
- if (!face)
- face = lockFace();
- g = loadGlyph(cacheEnabled ? &defaultGlyphSet : nullptr, glyphs->glyphs[i], 0, Format_None, true);
- if (g)
- glyphs->advances[i] = design ? QFixed::fromFixed(g->linearAdvance) : QFixed(g->advance);
- else
- glyphs->advances[i] = design ? QFixed::fromFixed(face->glyph->linearHoriAdvance >> 10)
- : QFixed::fromFixed(face->glyph->metrics.horiAdvance).round();
- if (!cacheEnabled && g != &emptyGlyph)
- delete g;
- }
-
- if (scalableBitmapScaleFactor != 1)
- glyphs->advances[i] *= scalableBitmapScaleFactor;
- }
- if (face)
- unlockFace();
-
-QT_WARNING_PUSH
-QT_WARNING_DISABLE_DEPRECATED
- if (fontDef.styleStrategy & QFont::ForceIntegerMetrics) {
-QT_WARNING_POP
- for (int i = 0; i < glyphs->numGlyphs; ++i)
- glyphs->advances[i] = glyphs->advances[i].round();
- }
-}
-
-glyph_metrics_t QFontEngineFT::boundingBox(const QGlyphLayout &glyphs)
-{
- FT_Face face = nullptr;
-
- glyph_metrics_t overall;
- // initialize with line height, we get the same behaviour on all platforms
- if (!isScalableBitmap()) {
- overall.y = -ascent();
- overall.height = ascent() + descent();
- } else {
- overall.y = QFixed::fromFixed(-metrics.ascender);
- overall.height = QFixed::fromFixed(metrics.ascender - metrics.descender);
- }
-
- QFixed ymax = 0;
- QFixed xmax = 0;
- for (int i = 0; i < glyphs.numGlyphs; i++) {
- // If shaping has found this should be ignored, ignore it.
- if (!glyphs.advances[i] || glyphs.attributes[i].dontPrint)
- continue;
- Glyph *g = cacheEnabled ? defaultGlyphSet.getGlyph(glyphs.glyphs[i]) : nullptr;
- if (!g) {
- if (!face)
- face = lockFace();
- g = loadGlyph(cacheEnabled ? &defaultGlyphSet : nullptr, glyphs.glyphs[i], 0, Format_None, true);
- }
- if (g) {
- QFixed x = overall.xoff + glyphs.offsets[i].x + g->x;
- QFixed y = overall.yoff + glyphs.offsets[i].y - g->y;
- overall.x = qMin(overall.x, x);
- overall.y = qMin(overall.y, y);
- xmax = qMax(xmax, x + g->width);
- ymax = qMax(ymax, y + g->height);
- overall.xoff += g->advance;
- if (!cacheEnabled && g != &emptyGlyph)
- delete g;
- } else {
- int left = FLOOR(face->glyph->metrics.horiBearingX);
- int right = CEIL(face->glyph->metrics.horiBearingX + face->glyph->metrics.width);
- int top = CEIL(face->glyph->metrics.horiBearingY);
- int bottom = FLOOR(face->glyph->metrics.horiBearingY - face->glyph->metrics.height);
-
- QFixed x = overall.xoff + glyphs.offsets[i].x - (-TRUNC(left));
- QFixed y = overall.yoff + glyphs.offsets[i].y - TRUNC(top);
- overall.x = qMin(overall.x, x);
- overall.y = qMin(overall.y, y);
- xmax = qMax(xmax, x + TRUNC(right - left));
- ymax = qMax(ymax, y + TRUNC(top - bottom));
- overall.xoff += int(TRUNC(ROUND(face->glyph->advance.x)));
- }
- }
- overall.height = qMax(overall.height, ymax - overall.y);
- overall.width = xmax - overall.x;
-
- if (face)
- unlockFace();
-
- if (isScalableBitmap())
- overall = scaledBitmapMetrics(overall, QTransform());
- return overall;
-}
-
-glyph_metrics_t QFontEngineFT::boundingBox(glyph_t glyph)
-{
- FT_Face face = nullptr;
- glyph_metrics_t overall;
- Glyph *g = cacheEnabled ? defaultGlyphSet.getGlyph(glyph) : nullptr;
- if (!g) {
- face = lockFace();
- g = loadGlyph(cacheEnabled ? &defaultGlyphSet : nullptr, glyph, 0, Format_None, true);
- }
- if (g) {
- overall.x = g->x;
- overall.y = -g->y;
- overall.width = g->width;
- overall.height = g->height;
- overall.xoff = g->advance;
-QT_WARNING_PUSH
-QT_WARNING_DISABLE_DEPRECATED
- if (fontDef.styleStrategy & QFont::ForceIntegerMetrics)
-QT_WARNING_POP
- overall.xoff = overall.xoff.round();
- if (!cacheEnabled && g != &emptyGlyph)
- delete g;
- } else {
- int left = FLOOR(face->glyph->metrics.horiBearingX);
- int right = CEIL(face->glyph->metrics.horiBearingX + face->glyph->metrics.width);
- int top = CEIL(face->glyph->metrics.horiBearingY);
- int bottom = FLOOR(face->glyph->metrics.horiBearingY - face->glyph->metrics.height);
-
- overall.width = TRUNC(right-left);
- overall.height = TRUNC(top-bottom);
- overall.x = TRUNC(left);
- overall.y = -TRUNC(top);
- overall.xoff = TRUNC(ROUND(face->glyph->advance.x));
- }
- if (face)
- unlockFace();
-
- if (isScalableBitmap())
- overall = scaledBitmapMetrics(overall, QTransform());
- return overall;
-}
-
-glyph_metrics_t QFontEngineFT::boundingBox(glyph_t glyph, const QTransform &matrix)
-{
- return alphaMapBoundingBox(glyph, 0, matrix, QFontEngine::Format_None);
-}
-
-glyph_metrics_t QFontEngineFT::alphaMapBoundingBox(glyph_t glyph, QFixed subPixelPosition, const QTransform &matrix, QFontEngine::GlyphFormat format)
-{
- Glyph *g = loadGlyphFor(glyph, subPixelPosition, format, matrix, true);
-
- glyph_metrics_t overall;
- if (g) {
- overall.x = g->x;
- overall.y = -g->y;
- overall.width = g->width;
- overall.height = g->height;
- overall.xoff = g->advance;
- if (!cacheEnabled && g != &emptyGlyph)
- delete g;
- } else {
- FT_Face face = lockFace();
- int left = FLOOR(face->glyph->metrics.horiBearingX);
- int right = CEIL(face->glyph->metrics.horiBearingX + face->glyph->metrics.width);
- int top = CEIL(face->glyph->metrics.horiBearingY);
- int bottom = FLOOR(face->glyph->metrics.horiBearingY - face->glyph->metrics.height);
-
- overall.width = TRUNC(right-left);
- overall.height = TRUNC(top-bottom);
- overall.x = TRUNC(left);
- overall.y = -TRUNC(top);
- overall.xoff = TRUNC(ROUND(face->glyph->advance.x));
- unlockFace();
- }
-
- if (isScalableBitmap())
- overall = scaledBitmapMetrics(overall, matrix);
- return overall;
-}
-
-static inline QImage alphaMapFromGlyphData(QFontEngineFT::Glyph *glyph, QFontEngine::GlyphFormat glyphFormat)
-{
- if (glyph == nullptr || glyph->height == 0 || glyph->width == 0)
- return QImage();
-
- QImage::Format format = QImage::Format_Invalid;
- int bytesPerLine = -1;
- switch (glyphFormat) {
- case QFontEngine::Format_Mono:
- format = QImage::Format_Mono;
- bytesPerLine = ((glyph->width + 31) & ~31) >> 3;
- break;
- case QFontEngine::Format_A8:
- format = QImage::Format_Alpha8;
- bytesPerLine = (glyph->width + 3) & ~3;
- break;
- case QFontEngine::Format_A32:
- format = QImage::Format_RGB32;
- bytesPerLine = glyph->width * 4;
- break;
- default:
- Q_UNREACHABLE();
- };
-
- QImage img(static_cast<const uchar *>(glyph->data), glyph->width, glyph->height, bytesPerLine, format);
- if (format == QImage::Format_Mono)
- img.setColor(1, QColor(Qt::white).rgba()); // Expands color table to 2 items; item 0 set to transparent.
- return img;
-}
-
-QFontEngine::Glyph *QFontEngineFT::glyphData(glyph_t glyphIndex, QFixed subPixelPosition,
- QFontEngine::GlyphFormat neededFormat, const QTransform &t)
-{
- Q_ASSERT(cacheEnabled);
-
- if (isBitmapFont())
- neededFormat = Format_Mono;
- else if (neededFormat == Format_None && defaultFormat != Format_None)
- neededFormat = defaultFormat;
- else if (neededFormat == Format_None)
- neededFormat = Format_A8;
-
- Glyph *glyph = loadGlyphFor(glyphIndex, subPixelPosition, neededFormat, t);
- if (!glyph || !glyph->width || !glyph->height)
- return nullptr;
-
- return glyph;
-}
-
-static inline bool is2dRotation(const QTransform &t)
-{
- return qFuzzyCompare(t.m11(), t.m22()) && qFuzzyCompare(t.m12(), -t.m21())
- && qFuzzyCompare(t.m11()*t.m22() - t.m12()*t.m21(), qreal(1.0));
-}
-
-QFontEngineFT::Glyph *QFontEngineFT::loadGlyphFor(glyph_t g,
- QFixed subPixelPosition,
- GlyphFormat format,
- const QTransform &t,
- bool fetchBoundingBox,
- bool disableOutlineDrawing)
-{
- QGlyphSet *glyphSet = loadGlyphSet(t);
- if (glyphSet != nullptr && glyphSet->outline_drawing && !disableOutlineDrawing && !fetchBoundingBox)
- return nullptr;
-
- Glyph *glyph = glyphSet != nullptr ? glyphSet->getGlyph(g, subPixelPosition) : nullptr;
- if (!glyph || glyph->format != format || (!fetchBoundingBox && !glyph->data)) {
- QScopedValueRollback<HintStyle> saved_default_hint_style(default_hint_style);
- if (t.type() >= QTransform::TxScale && !is2dRotation(t))
- default_hint_style = HintNone; // disable hinting if the glyphs are transformed
-
- lockFace();
- FT_Matrix m = this->matrix;
- FT_Matrix ftMatrix = glyphSet != nullptr ? glyphSet->transformationMatrix : QTransformToFTMatrix(t);
- FT_Matrix_Multiply(&ftMatrix, &m);
- freetype->matrix = m;
- glyph = loadGlyph(glyphSet, g, subPixelPosition, format, false, disableOutlineDrawing);
- unlockFace();
- }
-
- return glyph;
-}
-
-QImage QFontEngineFT::alphaMapForGlyph(glyph_t g, QFixed subPixelPosition)
-{
- return alphaMapForGlyph(g, subPixelPosition, QTransform());
-}
-
-QImage QFontEngineFT::alphaMapForGlyph(glyph_t g, QFixed subPixelPosition, const QTransform &t)
-{
- const GlyphFormat neededFormat = antialias ? Format_A8 : Format_Mono;
-
- Glyph *glyph = loadGlyphFor(g, subPixelPosition, neededFormat, t, false, true);
-
- QImage img = alphaMapFromGlyphData(glyph, neededFormat);
- img = img.copy();
-
- if (!cacheEnabled && glyph != &emptyGlyph)
- delete glyph;
-
- return img;
-}
-
-QImage QFontEngineFT::alphaRGBMapForGlyph(glyph_t g, QFixed subPixelPosition, const QTransform &t)
-{
- if (t.type() > QTransform::TxRotate)
- return QFontEngine::alphaRGBMapForGlyph(g, subPixelPosition, t);
-
- const GlyphFormat neededFormat = Format_A32;
-
- Glyph *glyph = loadGlyphFor(g, subPixelPosition, neededFormat, t, false, true);
-
- QImage img = alphaMapFromGlyphData(glyph, neededFormat);
- img = img.copy();
-
- if (!cacheEnabled && glyph != &emptyGlyph)
- delete glyph;
-
- if (!img.isNull())
- return img;
-
- return QFontEngine::alphaRGBMapForGlyph(g, subPixelPosition, t);
-}
-
-QImage QFontEngineFT::bitmapForGlyph(glyph_t g, QFixed subPixelPosition, const QTransform &t, const QColor &color)
-{
- Q_UNUSED(color);
-
- Glyph *glyph = loadGlyphFor(g, subPixelPosition, defaultFormat, t);
- if (glyph == nullptr)
- return QImage();
-
- QImage img;
- if (defaultFormat == GlyphFormat::Format_ARGB)
- img = QImage(glyph->data, glyph->width, glyph->height, QImage::Format_ARGB32_Premultiplied).copy();
- else if (defaultFormat == GlyphFormat::Format_Mono)
- img = QImage(glyph->data, glyph->width, glyph->height, QImage::Format_Mono).copy();
-
- if (!img.isNull() && (!t.isIdentity() || scalableBitmapScaleFactor != 1)) {
- QTransform trans(t);
- const qreal scaleFactor = scalableBitmapScaleFactor.toReal();
- trans.scale(scaleFactor, scaleFactor);
- img = img.transformed(trans, Qt::SmoothTransformation);
- }
-
- if (!cacheEnabled && glyph != &emptyGlyph)
- delete glyph;
-
- return img;
-}
-
-void QFontEngineFT::removeGlyphFromCache(glyph_t glyph)
-{
- defaultGlyphSet.removeGlyphFromCache(glyph, 0);
-}
-
-int QFontEngineFT::glyphCount() const
-{
- int count = 0;
- FT_Face face = lockFace();
- if (face) {
- count = face->num_glyphs;
- unlockFace();
- }
- return count;
-}
-
-FT_Face QFontEngineFT::lockFace(Scaling scale) const
-{
- freetype->lock();
- FT_Face face = freetype->face;
- if (scale == Unscaled) {
- if (FT_Set_Char_Size(face, face->units_per_EM << 6, face->units_per_EM << 6, 0, 0) == 0) {
- freetype->xsize = face->units_per_EM << 6;
- freetype->ysize = face->units_per_EM << 6;
- }
- } else if (freetype->xsize != xsize || freetype->ysize != ysize) {
- FT_Set_Char_Size(face, xsize, ysize, 0, 0);
- freetype->xsize = xsize;
- freetype->ysize = ysize;
- }
- if (freetype->matrix.xx != matrix.xx ||
- freetype->matrix.yy != matrix.yy ||
- freetype->matrix.xy != matrix.xy ||
- freetype->matrix.yx != matrix.yx) {
- freetype->matrix = matrix;
- FT_Set_Transform(face, &freetype->matrix, nullptr);
- }
-
- return face;
-}
-
-void QFontEngineFT::unlockFace() const
-{
- freetype->unlock();
-}
-
-FT_Face QFontEngineFT::non_locked_face() const
-{
- return freetype->face;
-}
-
-
-QFontEngineFT::QGlyphSet::QGlyphSet()
- : outline_drawing(false)
-{
- transformationMatrix.xx = 0x10000;
- transformationMatrix.yy = 0x10000;
- transformationMatrix.xy = 0;
- transformationMatrix.yx = 0;
- memset(fast_glyph_data, 0, sizeof(fast_glyph_data));
- fast_glyph_count = 0;
-}
-
-QFontEngineFT::QGlyphSet::~QGlyphSet()
-{
- clear();
-}
-
-void QFontEngineFT::QGlyphSet::clear()
-{
- if (fast_glyph_count > 0) {
- for (int i = 0; i < 256; ++i) {
- if (fast_glyph_data[i]) {
- delete fast_glyph_data[i];
- fast_glyph_data[i] = nullptr;
- }
- }
- fast_glyph_count = 0;
- }
- qDeleteAll(glyph_data);
- glyph_data.clear();
-}
-
-void QFontEngineFT::QGlyphSet::removeGlyphFromCache(glyph_t index, QFixed subPixelPosition)
-{
- if (useFastGlyphData(index, subPixelPosition)) {
- if (fast_glyph_data[index]) {
- delete fast_glyph_data[index];
- fast_glyph_data[index] = nullptr;
- if (fast_glyph_count > 0)
- --fast_glyph_count;
- }
- } else {
- delete glyph_data.take(GlyphAndSubPixelPosition(index, subPixelPosition));
- }
-}
-
-void QFontEngineFT::QGlyphSet::setGlyph(glyph_t index, QFixed subPixelPosition, Glyph *glyph)
-{
- if (useFastGlyphData(index, subPixelPosition)) {
- if (!fast_glyph_data[index])
- ++fast_glyph_count;
- fast_glyph_data[index] = glyph;
- } else {
- glyph_data.insert(GlyphAndSubPixelPosition(index, subPixelPosition), glyph);
- }
-}
-
-int QFontEngineFT::getPointInOutline(glyph_t glyph, int flags, quint32 point, QFixed *xpos, QFixed *ypos, quint32 *nPoints)
-{
- lockFace();
- bool hsubpixel = true;
- int vfactor = 1;
- int load_flags = loadFlags(nullptr, Format_A8, flags, hsubpixel, vfactor);
- int result = freetype->getPointInOutline(glyph, load_flags, point, xpos, ypos, nPoints);
- unlockFace();
- return result;
-}
-
-bool QFontEngineFT::initFromFontEngine(const QFontEngineFT *fe)
-{
- if (!init(fe->faceId(), fe->antialias, fe->defaultFormat, fe->freetype))
- return false;
-
- // Increase the reference of this QFreetypeFace since one more QFontEngineFT
- // will be using it
- freetype->ref.ref();
-
- default_load_flags = fe->default_load_flags;
- default_hint_style = fe->default_hint_style;
- antialias = fe->antialias;
- transform = fe->transform;
- embolden = fe->embolden;
- obliquen = fe->obliquen;
- subpixelType = fe->subpixelType;
- lcdFilterType = fe->lcdFilterType;
- embeddedbitmap = fe->embeddedbitmap;
-
- return true;
-}
-
-QFontEngine *QFontEngineFT::cloneWithSize(qreal pixelSize) const
-{
- QFontDef fontDef(this->fontDef);
- fontDef.pixelSize = pixelSize;
- QFontEngineFT *fe = new QFontEngineFT(fontDef);
- if (!fe->initFromFontEngine(this)) {
- delete fe;
- return nullptr;
- } else {
- return fe;
- }
-}
-
-Qt::HANDLE QFontEngineFT::handle() const
-{
- return non_locked_face();
-}
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_FREETYPE
diff --git a/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h b/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
deleted file mode 100644
index bc48963a9e..0000000000
--- a/src/platformsupport/fontdatabases/freetype/qfontengine_ft_p.h
+++ /dev/null
@@ -1,362 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-#ifndef QFONTENGINE_FT_P_H
-#define QFONTENGINE_FT_P_H
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include "private/qfontengine_p.h"
-
-#ifndef QT_NO_FREETYPE
-
-#include <ft2build.h>
-#include FT_FREETYPE_H
-
-
-#ifndef Q_OS_WIN
-#include <unistd.h>
-#endif
-
-#include <qmutex.h>
-
-#include <string.h>
-
-QT_BEGIN_NAMESPACE
-
-class QFontEngineFTRawFont;
-class QFontconfigDatabase;
-
-/*
- * This class represents one font file on disk (like Arial.ttf) and is shared between all the font engines
- * that show this font file (at different pixel sizes).
- */
-class QFreetypeFace
-{
-public:
- void computeSize(const QFontDef &fontDef, int *xsize, int *ysize, bool *outline_drawing, QFixed *scalableBitmapScaleFactor);
- QFontEngine::Properties properties() const;
- bool getSfntTable(uint tag, uchar *buffer, uint *length) const;
-
- static QFreetypeFace *getFace(const QFontEngine::FaceId &face_id,
- const QByteArray &fontData = QByteArray());
- void release(const QFontEngine::FaceId &face_id);
-
- // locks the struct for usage. Any read/write operations require locking.
- void lock()
- {
- _lock.lock();
- }
- void unlock()
- {
- _lock.unlock();
- }
-
- FT_Face face;
- int xsize; // 26.6
- int ysize; // 26.6
- FT_Matrix matrix;
- FT_CharMap unicode_map;
- FT_CharMap symbol_map;
-
- enum { cmapCacheSize = 0x200 };
- glyph_t cmapCache[cmapCacheSize];
-
- int fsType() const;
-
- int getPointInOutline(glyph_t glyph, int flags, quint32 point, QFixed *xpos, QFixed *ypos, quint32 *nPoints);
-
- bool isScalableBitmap() const;
-
- static void addGlyphToPath(FT_Face face, FT_GlyphSlot g, const QFixedPoint &point, QPainterPath *path, FT_Fixed x_scale, FT_Fixed y_scale);
- static void addBitmapToPath(FT_GlyphSlot slot, const QFixedPoint &point, QPainterPath *path);
-
-private:
- friend class QFontEngineFT;
- friend class QtFreetypeData;
- friend struct QScopedPointerDeleter<QFreetypeFace>;
- QFreetypeFace() = default;
- ~QFreetypeFace() {}
- void cleanup();
- QAtomicInt ref;
- QRecursiveMutex _lock;
- QByteArray fontData;
-
- QFontEngine::Holder hbFace;
-};
-
-class QFontEngineFT : public QFontEngine
-{
-public:
- struct GlyphInfo {
- int linearAdvance;
- unsigned short width;
- unsigned short height;
- short x;
- short y;
- short xOff;
- short yOff;
- };
-
- struct GlyphAndSubPixelPosition
- {
- GlyphAndSubPixelPosition(glyph_t g, QFixed spp) : glyph(g), subPixelPosition(spp) {}
-
- bool operator==(const GlyphAndSubPixelPosition &other) const
- {
- return glyph == other.glyph && subPixelPosition == other.subPixelPosition;
- }
-
- glyph_t glyph;
- QFixed subPixelPosition;
- };
-
- struct QGlyphSet
- {
- QGlyphSet();
- ~QGlyphSet();
- FT_Matrix transformationMatrix;
- bool outline_drawing;
-
- void removeGlyphFromCache(glyph_t index, QFixed subPixelPosition);
- void clear();
- inline bool useFastGlyphData(glyph_t index, QFixed subPixelPosition) const {
- return (index < 256 && subPixelPosition == 0);
- }
- inline Glyph *getGlyph(glyph_t index, QFixed subPixelPosition = 0) const;
- void setGlyph(glyph_t index, QFixed spp, Glyph *glyph);
-
- inline bool isGlyphMissing(glyph_t index) const { return missing_glyphs.contains(index); }
- inline void setGlyphMissing(glyph_t index) const { missing_glyphs.insert(index); }
-private:
- Q_DISABLE_COPY(QGlyphSet);
- mutable QHash<GlyphAndSubPixelPosition, Glyph *> glyph_data; // maps from glyph index to glyph data
- mutable QSet<glyph_t> missing_glyphs;
- mutable Glyph *fast_glyph_data[256]; // for fast lookup of glyphs < 256
- mutable int fast_glyph_count;
- };
-
- QFontEngine::FaceId faceId() const override;
- QFontEngine::Properties properties() const override;
- QFixed emSquareSize() const override;
- bool supportsSubPixelPositions() const override
- {
- return default_hint_style == HintLight ||
- default_hint_style == HintNone;
- }
-
- bool getSfntTableData(uint tag, uchar *buffer, uint *length) const override;
- int synthesized() const override;
-
- void initializeHeightMetrics() const override;
- QFixed capHeight() const override;
- QFixed xHeight() const override;
- QFixed averageCharWidth() const override;
-
- qreal maxCharWidth() const override;
- QFixed lineThickness() const override;
- QFixed underlinePosition() const override;
-
- glyph_t glyphIndex(uint ucs4) const override;
- void doKerning(QGlyphLayout *, ShaperFlags) const override;
-
- void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics) override;
-
- bool supportsTransformation(const QTransform &transform) const override;
-
- void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
- QPainterPath *path, QTextItem::RenderFlags flags) override;
- void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs,
- QPainterPath *path, QTextItem::RenderFlags flags) override;
-
- bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, ShaperFlags flags) const override;
-
- glyph_metrics_t boundingBox(const QGlyphLayout &glyphs) override;
- glyph_metrics_t boundingBox(glyph_t glyph) override;
- glyph_metrics_t boundingBox(glyph_t glyph, const QTransform &matrix) override;
-
- void recalcAdvances(QGlyphLayout *glyphs, ShaperFlags flags) const override;
- QImage alphaMapForGlyph(glyph_t g) override { return alphaMapForGlyph(g, 0); }
- QImage alphaMapForGlyph(glyph_t, QFixed) override;
- QImage alphaMapForGlyph(glyph_t glyph, QFixed subPixelPosition, const QTransform &t) override;
- QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, const QTransform &t) override;
- QImage bitmapForGlyph(glyph_t, QFixed subPixelPosition, const QTransform &t, const QColor &color) override;
- glyph_metrics_t alphaMapBoundingBox(glyph_t glyph,
- QFixed subPixelPosition,
- const QTransform &matrix,
- QFontEngine::GlyphFormat format) override;
- Glyph *glyphData(glyph_t glyph, QFixed subPixelPosition,
- GlyphFormat neededFormat, const QTransform &t) override;
- bool hasInternalCaching() const override { return cacheEnabled; }
- bool expectsGammaCorrectedBlending() const override;
-
- void removeGlyphFromCache(glyph_t glyph) override;
- int glyphMargin(QFontEngine::GlyphFormat /* format */) override { return 0; }
-
- int glyphCount() const override;
-
- enum Scaling {
- Scaled,
- Unscaled
- };
- FT_Face lockFace(Scaling scale = Scaled) const;
- void unlockFace() const;
-
- FT_Face non_locked_face() const;
-
- inline bool drawAntialiased() const { return antialias; }
- inline bool invalid() const { return xsize == 0 && ysize == 0; }
- inline bool isBitmapFont() const { return defaultFormat == Format_Mono; }
- inline bool isScalableBitmap() const { return freetype->isScalableBitmap(); }
-
- inline Glyph *loadGlyph(uint glyph, QFixed subPixelPosition, GlyphFormat format = Format_None, bool fetchMetricsOnly = false, bool disableOutlineDrawing = false) const
- { return loadGlyph(cacheEnabled ? &defaultGlyphSet : nullptr, glyph, subPixelPosition, format, fetchMetricsOnly, disableOutlineDrawing); }
- Glyph *loadGlyph(QGlyphSet *set, uint glyph, QFixed subPixelPosition, GlyphFormat = Format_None, bool fetchMetricsOnly = false, bool disableOutlineDrawing = false) const;
- Glyph *loadGlyphFor(glyph_t g, QFixed subPixelPosition, GlyphFormat format, const QTransform &t, bool fetchBoundingBox = false, bool disableOutlineDrawing = false);
-
- QGlyphSet *loadGlyphSet(const QTransform &matrix);
-
- QFontEngineFT(const QFontDef &fd);
- virtual ~QFontEngineFT();
-
- bool init(FaceId faceId, bool antiaalias, GlyphFormat defaultFormat = Format_None,
- const QByteArray &fontData = QByteArray());
- bool init(FaceId faceId, bool antialias, GlyphFormat format,
- QFreetypeFace *freetypeFace);
-
- int getPointInOutline(glyph_t glyph, int flags, quint32 point, QFixed *xpos, QFixed *ypos, quint32 *nPoints) override;
-
- void setQtDefaultHintStyle(QFont::HintingPreference hintingPreference);
- void setDefaultHintStyle(HintStyle style) override;
-
- QFontEngine *cloneWithSize(qreal pixelSize) const override;
- Qt::HANDLE handle() const override;
- bool initFromFontEngine(const QFontEngineFT *fontEngine);
-
- HintStyle defaultHintStyle() const { return default_hint_style; }
-
- static QFontEngineFT *create(const QFontDef &fontDef, FaceId faceId, const QByteArray &fontData = QByteArray());
- static QFontEngineFT *create(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference);
-
-protected:
-
- QFreetypeFace *freetype;
- mutable int default_load_flags;
- HintStyle default_hint_style;
- bool antialias;
- bool transform;
- bool embolden;
- bool obliquen;
- SubpixelAntialiasingType subpixelType;
- int lcdFilterType;
- bool embeddedbitmap;
- bool cacheEnabled;
- bool forceAutoHint;
- bool stemDarkeningDriver;
-
-private:
- friend class QFontEngineFTRawFont;
- friend class QFontconfigDatabase;
- friend class QFreeTypeFontDatabase;
- friend class QFontEngineMultiFontConfig;
-
- int loadFlags(QGlyphSet *set, GlyphFormat format, int flags, bool &hsubpixel, int &vfactor) const;
- bool shouldUseDesignMetrics(ShaperFlags flags) const;
- QFixed scaledBitmapMetrics(QFixed m) const;
- glyph_metrics_t scaledBitmapMetrics(const glyph_metrics_t &m, const QTransform &matrix) const;
-
- GlyphFormat defaultFormat;
- FT_Matrix matrix;
-
- struct TransformedGlyphSets {
- enum { nSets = 10 };
- QGlyphSet *sets[nSets];
-
- QGlyphSet *findSet(const QTransform &matrix, const QFontDef &fontDef);
- TransformedGlyphSets() { std::fill(&sets[0], &sets[nSets], nullptr); }
- ~TransformedGlyphSets() { qDeleteAll(&sets[0], &sets[nSets]); }
- private:
- void moveToFront(int i);
- Q_DISABLE_COPY(TransformedGlyphSets);
- };
- TransformedGlyphSets transformedGlyphSets;
- mutable QGlyphSet defaultGlyphSet;
-
- QFontEngine::FaceId face_id;
-
- int xsize;
- int ysize;
-
- QFixed line_thickness;
- QFixed underline_position;
-
- FT_Size_Metrics metrics;
- mutable bool kerning_pairs_loaded;
- QFixed scalableBitmapScaleFactor;
-};
-
-Q_DECLARE_TYPEINFO(QFontEngineFT::QGlyphSet, Q_MOVABLE_TYPE);
-
-
-inline size_t qHash(const QFontEngineFT::GlyphAndSubPixelPosition &g)
-{
- return (g.glyph << 8) | (g.subPixelPosition * 10).round().toInt();
-}
-
-inline QFontEngineFT::Glyph *QFontEngineFT::QGlyphSet::getGlyph(glyph_t index, QFixed subPixelPosition) const
-{
- if (useFastGlyphData(index, subPixelPosition))
- return fast_glyph_data[index];
- return glyph_data.value(GlyphAndSubPixelPosition(index, subPixelPosition));
-}
-
-extern FT_Library qt_getFreetype();
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_FREETYPE
-
-#endif // QFONTENGINE_FT_P_H
diff --git a/src/platformsupport/fontdatabases/freetype/qfreetypefontdatabase.cpp b/src/platformsupport/fontdatabases/freetype/qfreetypefontdatabase.cpp
deleted file mode 100644
index 1ec42ac36a..0000000000
--- a/src/platformsupport/fontdatabases/freetype/qfreetypefontdatabase.cpp
+++ /dev/null
@@ -1,224 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qfreetypefontdatabase_p.h"
-
-#include <QtGui/private/qguiapplication_p.h>
-#include <qpa/qplatformscreen.h>
-
-#include <QtCore/QFile>
-#include <QtCore/QLibraryInfo>
-#include <QtCore/QDir>
-#include <QtCore/QtEndian>
-
-#undef QT_NO_FREETYPE
-#include <QtFontDatabaseSupport/private/qfontengine_ft_p.h>
-
-#include <ft2build.h>
-#include FT_TRUETYPE_TABLES_H
-#include FT_ERRORS_H
-
-QT_BEGIN_NAMESPACE
-
-void QFreeTypeFontDatabase::populateFontDatabase()
-{
- QString fontpath = fontDir();
- QDir dir(fontpath);
-
- if (!dir.exists()) {
- qWarning("QFontDatabase: Cannot find font directory %s.\n"
- "Note that Qt no longer ships fonts. Deploy some (from https://dejavu-fonts.github.io/ for example) or switch to fontconfig.",
- qPrintable(fontpath));
- return;
- }
-
- QStringList nameFilters;
- nameFilters << QLatin1String("*.ttf")
- << QLatin1String("*.ttc")
- << QLatin1String("*.pfa")
- << QLatin1String("*.pfb")
- << QLatin1String("*.otf");
-
- const auto fis = dir.entryInfoList(nameFilters, QDir::Files);
- for (const QFileInfo &fi : fis) {
- const QByteArray file = QFile::encodeName(fi.absoluteFilePath());
- QFreeTypeFontDatabase::addTTFile(QByteArray(), file);
- }
-}
-
-QFontEngine *QFreeTypeFontDatabase::fontEngine(const QFontDef &fontDef, void *usrPtr)
-{
- FontFile *fontfile = static_cast<FontFile *>(usrPtr);
- QFontEngine::FaceId faceId;
- faceId.filename = QFile::encodeName(fontfile->fileName);
- faceId.index = fontfile->indexValue;
-
- return QFontEngineFT::create(fontDef, faceId);
-}
-
-QFontEngine *QFreeTypeFontDatabase::fontEngine(const QByteArray &fontData, qreal pixelSize,
- QFont::HintingPreference hintingPreference)
-{
- return QFontEngineFT::create(fontData, pixelSize, hintingPreference);
-}
-
-QStringList QFreeTypeFontDatabase::addApplicationFont(const QByteArray &fontData, const QString &fileName, QFontDatabasePrivate::ApplicationFont *applicationFont)
-{
- return QFreeTypeFontDatabase::addTTFile(fontData, fileName.toLocal8Bit(), applicationFont);
-}
-
-void QFreeTypeFontDatabase::releaseHandle(void *handle)
-{
- FontFile *file = static_cast<FontFile *>(handle);
- delete file;
-}
-
-extern FT_Library qt_getFreetype();
-
-QStringList QFreeTypeFontDatabase::addTTFile(const QByteArray &fontData, const QByteArray &file, QFontDatabasePrivate::ApplicationFont *applicationFont)
-{
- FT_Library library = qt_getFreetype();
-
- int index = 0;
- int numFaces = 0;
- QStringList families;
- do {
- FT_Face face;
- FT_Error error;
- if (!fontData.isEmpty()) {
- error = FT_New_Memory_Face(library, (const FT_Byte *)fontData.constData(), fontData.size(), index, &face);
- } else {
- error = FT_New_Face(library, file.constData(), index, &face);
- }
- if (error != FT_Err_Ok) {
- qDebug() << "FT_New_Face failed with index" << index << ':' << Qt::hex << error;
- break;
- }
- numFaces = face->num_faces;
-
- QFont::Weight weight = QFont::Normal;
-
- QFont::Style style = QFont::StyleNormal;
- if (face->style_flags & FT_STYLE_FLAG_ITALIC)
- style = QFont::StyleItalic;
-
- if (face->style_flags & FT_STYLE_FLAG_BOLD)
- weight = QFont::Bold;
-
- bool fixedPitch = (face->face_flags & FT_FACE_FLAG_FIXED_WIDTH);
- QSupportedWritingSystems writingSystems;
- // detect symbol fonts
- for (int i = 0; i < face->num_charmaps; ++i) {
- FT_CharMap cm = face->charmaps[i];
- if (cm->encoding == FT_ENCODING_ADOBE_CUSTOM
- || cm->encoding == FT_ENCODING_MS_SYMBOL) {
- writingSystems.setSupported(QFontDatabase::Symbol);
- break;
- }
- }
-
- TT_OS2 *os2 = (TT_OS2 *)FT_Get_Sfnt_Table(face, ft_sfnt_os2);
- if (os2) {
- quint32 unicodeRange[4] = {
- quint32(os2->ulUnicodeRange1),
- quint32(os2->ulUnicodeRange2),
- quint32(os2->ulUnicodeRange3),
- quint32(os2->ulUnicodeRange4)
- };
- quint32 codePageRange[2] = {
- quint32(os2->ulCodePageRange1),
- quint32(os2->ulCodePageRange2)
- };
-
- writingSystems = QPlatformFontDatabase::writingSystemsFromTrueTypeBits(unicodeRange, codePageRange);
-
- if (os2->usWeightClass) {
- weight = QPlatformFontDatabase::weightFromInteger(os2->usWeightClass);
- } else if (os2->panose[2]) {
- int w = os2->panose[2];
- if (w <= 1)
- weight = QFont::Thin;
- else if (w <= 2)
- weight = QFont::ExtraLight;
- else if (w <= 3)
- weight = QFont::Light;
- else if (w <= 5)
- weight = QFont::Normal;
- else if (w <= 6)
- weight = QFont::Medium;
- else if (w <= 7)
- weight = QFont::DemiBold;
- else if (w <= 8)
- weight = QFont::Bold;
- else if (w <= 9)
- weight = QFont::ExtraBold;
- else if (w <= 10)
- weight = QFont::Black;
- }
- }
-
- QString family = QString::fromLatin1(face->family_name);
- FontFile *fontFile = new FontFile;
- fontFile->fileName = QFile::decodeName(file);
- fontFile->indexValue = index;
-
- QFont::Stretch stretch = QFont::Unstretched;
- QString styleName = QString::fromLatin1(face->style_name);
-
- if (applicationFont != nullptr) {
- QFontDatabasePrivate::ApplicationFont::Properties properties;
- properties.familyName = family;
- properties.styleName = styleName;
- properties.weight = weight;
- properties.stretch = stretch;
- properties.style = style;
-
- applicationFont->properties.append(properties);
- }
-
- registerFont(family, styleName, QString(), weight, style, stretch, true, true, 0, fixedPitch, writingSystems, fontFile);
- families.append(family);
-
- FT_Done_Face(face);
- ++index;
- } while (index < numFaces);
- return families;
-}
-
-QT_END_NAMESPACE
diff --git a/src/platformsupport/fontdatabases/freetype/qfreetypefontdatabase_p.h b/src/platformsupport/fontdatabases/freetype/qfreetypefontdatabase_p.h
deleted file mode 100644
index 75e799df3f..0000000000
--- a/src/platformsupport/fontdatabases/freetype/qfreetypefontdatabase_p.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QFREETYPEFONTDATABASE_H
-#define QFREETYPEFONTDATABASE_H
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include <qpa/qplatformfontdatabase.h>
-#include <QtCore/QByteArray>
-#include <QtCore/QString>
-
-QT_BEGIN_NAMESPACE
-
-struct FontFile
-{
- QString fileName;
- int indexValue;
-};
-
-class QFreeTypeFontDatabase : public QPlatformFontDatabase
-{
-public:
- void populateFontDatabase() override;
- QFontEngine *fontEngine(const QFontDef &fontDef, void *handle) override;
- QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference) override;
- QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName, QFontDatabasePrivate::ApplicationFont *applicationFont = nullptr) override;
- void releaseHandle(void *handle) override;
-
- static QStringList addTTFile(const QByteArray &fontData, const QByteArray &file, QFontDatabasePrivate::ApplicationFont *applicationFont = nullptr);
-};
-
-QT_END_NAMESPACE
-
-#endif // QFREETYPEFONTDATABASE_H
diff --git a/src/platformsupport/fontdatabases/genericunix/qgenericunixfontdatabase_p.h b/src/platformsupport/fontdatabases/genericunix/qgenericunixfontdatabase_p.h
index ccf5ad6d13..c5be0e7345 100644
--- a/src/platformsupport/fontdatabases/genericunix/qgenericunixfontdatabase_p.h
+++ b/src/platformsupport/fontdatabases/genericunix/qgenericunixfontdatabase_p.h
@@ -57,7 +57,7 @@
#include <QtFontDatabaseSupport/private/qfontconfigdatabase_p.h>
typedef QFontconfigDatabase QGenericUnixFontDatabase;
#else
-#include <QtFontDatabaseSupport/private/qfreetypefontdatabase_p.h>
+#include <QtGui/private/qfreetypefontdatabase_p.h>
typedef QFreeTypeFontDatabase QGenericUnixFontDatabase;
#endif //Q_FONTCONFIGDATABASE
diff --git a/src/platformsupport/fontdatabases/mac/coretext.pri b/src/platformsupport/fontdatabases/mac/coretext.pri
index 95b9926e65..31470ae583 100644
--- a/src/platformsupport/fontdatabases/mac/coretext.pri
+++ b/src/platformsupport/fontdatabases/mac/coretext.pri
@@ -13,3 +13,7 @@ else: \
LIBS_PRIVATE += -framework UIKit
CONFIG += watchos_coretext
+
+qtConfig(freetype) {
+ QMAKE_USE_PRIVATE += freetype
+}
diff --git a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm
index 664e532d7c..c0f1bd4d8d 100644
--- a/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm
+++ b/src/platformsupport/fontdatabases/mac/qcoretextfontdatabase.mm
@@ -57,7 +57,7 @@
#endif
#include <QtCore/QtEndian>
#ifndef QT_NO_FREETYPE
-#include <QtFontDatabaseSupport/private/qfontengine_ft_p.h>
+#include <QtGui/private/qfontengine_ft_p.h>
#endif
QT_BEGIN_NAMESPACE
diff --git a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft.cpp b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft.cpp
index 39551c2e27..3543f22c61 100644
--- a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft.cpp
+++ b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft.cpp
@@ -40,7 +40,7 @@
#include "qwindowsfontdatabase_ft_p.h"
#include "qwindowsfontdatabase_p.h"
-#include <QtFontDatabaseSupport/private/qfontengine_ft_p.h>
+#include <QtGui/private/qfontengine_ft_p.h>
#include <ft2build.h>
#include FT_TRUETYPE_TABLES_H
diff --git a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft_p.h b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft_p.h
index c3d201b3a0..16f61010d4 100644
--- a/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft_p.h
+++ b/src/platformsupport/fontdatabases/windows/qwindowsfontdatabase_ft_p.h
@@ -51,7 +51,7 @@
// We mean it.
//
-#include <QtFontDatabaseSupport/private/qfreetypefontdatabase_p.h>
+#include <QtGui/private/qfreetypefontdatabase_p.h>
#include <QtCore/QSharedPointer>
#include <QtCore/qt_windows.h>
diff --git a/src/platformsupport/fontdatabases/windows/windows.pri b/src/platformsupport/fontdatabases/windows/windows.pri
index fbe6d490f9..c8466a1d2b 100644
--- a/src/platformsupport/fontdatabases/windows/windows.pri
+++ b/src/platformsupport/fontdatabases/windows/windows.pri
@@ -15,6 +15,7 @@ HEADERS += \
qtConfig(freetype) {
SOURCES += $$PWD/qwindowsfontdatabase_ft.cpp
HEADERS += $$PWD/qwindowsfontdatabase_ft_p.h
+ QMAKE_USE_PRIVATE += freetype
}
qtConfig(directwrite):qtConfig(direct2d) {
diff --git a/src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase.cpp b/src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase.cpp
index db58e49bb2..bc1a4c7d6f 100644
--- a/src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase.cpp
+++ b/src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase.cpp
@@ -39,7 +39,7 @@
#include "qwinrtfontdatabase_p.h"
-#include <QtFontDatabaseSupport/private/qfontengine_ft_p.h>
+#include <QtGui/private/qfontengine_ft_p.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QFile>
diff --git a/src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase_p.h b/src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase_p.h
index c21f411fff..615b4eeb12 100644
--- a/src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase_p.h
+++ b/src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase_p.h
@@ -51,7 +51,7 @@
// We mean it.
//
-#include <QtFontDatabaseSupport/private/qfreetypefontdatabase_p.h>
+#include <QtGui/private/qfreetypefontdatabase_p.h>
#include <QtCore/QLoggingCategory>
struct IDWriteFontFile;