Remove platform specific DirectWrite font engine from QtGui
This has moved into the platform plugin, but it was still lying around in QtGui and hindering it from compiling. Change-Id: I47fa730453cbd8aa230ccc4651afd2e774023db6 Reviewed-by: Jiang Jiang <jiang.jiang@nokia.com>
This commit is contained in:
parent
b84bb0b245
commit
fcef238d3c
@ -32,10 +32,6 @@ include(itemmodels/itemmodels.pri)
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QMAKE_LIBS += $$QMAKE_LIBS_GUI
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win32:!contains(QT_CONFIG, directwrite) {
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DEFINES += QT_NO_DIRECTWRITE
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}
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*-g++*|linux-icc*|*-clang*|*-qcc* {
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sse2 {
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sse2_compiler.commands = $$QMAKE_CXX -c $(CXXFLAGS)
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@ -1,698 +0,0 @@
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/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QT_NO_DIRECTWRITE
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#include "qfontenginedirectwrite_p.h"
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#include <qendian.h>
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#include <dwrite.h>
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#include <private/qnativeimage_p.h>
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#include <d2d1.h>
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QT_BEGIN_NAMESPACE
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// Convert from design units to logical pixels
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#define DESIGN_TO_LOGICAL(DESIGN_UNIT_VALUE) \
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QFixed::fromReal((qreal(DESIGN_UNIT_VALUE) / qreal(m_unitsPerEm)) * fontDef.pixelSize)
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namespace {
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class GeometrySink: public IDWriteGeometrySink
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{
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public:
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GeometrySink(QPainterPath *path) : m_path(path), m_refCount(0)
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{
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Q_ASSERT(m_path != 0);
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}
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IFACEMETHOD_(void, AddBeziers)(const D2D1_BEZIER_SEGMENT *beziers, UINT bezierCount);
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IFACEMETHOD_(void, AddLines)(const D2D1_POINT_2F *points, UINT pointCount);
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IFACEMETHOD_(void, BeginFigure)(D2D1_POINT_2F startPoint, D2D1_FIGURE_BEGIN figureBegin);
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IFACEMETHOD(Close)();
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IFACEMETHOD_(void, EndFigure)(D2D1_FIGURE_END figureEnd);
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IFACEMETHOD_(void, SetFillMode)(D2D1_FILL_MODE fillMode);
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IFACEMETHOD_(void, SetSegmentFlags)(D2D1_PATH_SEGMENT vertexFlags);
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IFACEMETHOD_(unsigned long, AddRef)();
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IFACEMETHOD_(unsigned long, Release)();
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IFACEMETHOD(QueryInterface)(IID const &riid, void **ppvObject);
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private:
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inline static QPointF fromD2D1_POINT_2F(const D2D1_POINT_2F &inp)
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{
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return QPointF(inp.x, inp.y);
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}
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unsigned long m_refCount;
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QPointF m_startPoint;
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QPainterPath *m_path;
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};
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void GeometrySink::AddBeziers(const D2D1_BEZIER_SEGMENT *beziers,
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UINT bezierCount)
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{
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for (uint i=0; i<bezierCount; ++i) {
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QPointF c1 = fromD2D1_POINT_2F(beziers[i].point1);
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QPointF c2 = fromD2D1_POINT_2F(beziers[i].point2);
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QPointF p2 = fromD2D1_POINT_2F(beziers[i].point3);
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m_path->cubicTo(c1, c2, p2);
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}
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}
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void GeometrySink::AddLines(const D2D1_POINT_2F *points, UINT pointsCount)
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{
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for (uint i=0; i<pointsCount; ++i)
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m_path->lineTo(fromD2D1_POINT_2F(points[i]));
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}
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void GeometrySink::BeginFigure(D2D1_POINT_2F startPoint,
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D2D1_FIGURE_BEGIN /*figureBegin*/)
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{
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m_startPoint = fromD2D1_POINT_2F(startPoint);
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m_path->moveTo(m_startPoint);
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}
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IFACEMETHODIMP GeometrySink::Close()
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{
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return E_NOTIMPL;
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}
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void GeometrySink::EndFigure(D2D1_FIGURE_END figureEnd)
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{
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if (figureEnd == D2D1_FIGURE_END_CLOSED)
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m_path->closeSubpath();
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}
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void GeometrySink::SetFillMode(D2D1_FILL_MODE fillMode)
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{
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m_path->setFillRule(fillMode == D2D1_FILL_MODE_ALTERNATE
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? Qt::OddEvenFill
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: Qt::WindingFill);
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}
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void GeometrySink::SetSegmentFlags(D2D1_PATH_SEGMENT /*vertexFlags*/)
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{
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/* Not implemented */
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}
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IFACEMETHODIMP_(unsigned long) GeometrySink::AddRef()
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{
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return InterlockedIncrement(&m_refCount);
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}
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IFACEMETHODIMP_(unsigned long) GeometrySink::Release()
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{
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unsigned long newCount = InterlockedDecrement(&m_refCount);
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if (newCount == 0)
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{
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delete this;
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return 0;
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}
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return newCount;
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}
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IFACEMETHODIMP GeometrySink::QueryInterface(IID const &riid, void **ppvObject)
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{
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if (__uuidof(IDWriteGeometrySink) == riid) {
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*ppvObject = this;
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} else if (__uuidof(IUnknown) == riid) {
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*ppvObject = this;
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} else {
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*ppvObject = NULL;
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return E_FAIL;
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}
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AddRef();
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return S_OK;
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}
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}
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QFontEngineDirectWrite::QFontEngineDirectWrite(IDWriteFactory *directWriteFactory,
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IDWriteFontFace *directWriteFontFace,
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qreal pixelSize)
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: m_directWriteFontFace(directWriteFontFace)
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, m_directWriteFactory(directWriteFactory)
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, m_directWriteBitmapRenderTarget(0)
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, m_lineThickness(-1)
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, m_unitsPerEm(-1)
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, m_ascent(-1)
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, m_descent(-1)
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, m_xHeight(-1)
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, m_lineGap(-1)
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{
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m_directWriteFactory->AddRef();
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m_directWriteFontFace->AddRef();
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fontDef.pixelSize = pixelSize;
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collectMetrics();
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}
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QFontEngineDirectWrite::~QFontEngineDirectWrite()
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{
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m_directWriteFactory->Release();
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m_directWriteFontFace->Release();
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if (m_directWriteBitmapRenderTarget != 0)
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m_directWriteBitmapRenderTarget->Release();
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}
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void QFontEngineDirectWrite::collectMetrics()
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{
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if (m_directWriteFontFace != 0) {
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DWRITE_FONT_METRICS metrics;
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m_directWriteFontFace->GetMetrics(&metrics);
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m_unitsPerEm = metrics.designUnitsPerEm;
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m_lineThickness = DESIGN_TO_LOGICAL(metrics.underlineThickness);
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m_ascent = DESIGN_TO_LOGICAL(metrics.ascent);
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m_descent = DESIGN_TO_LOGICAL(metrics.descent);
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m_xHeight = DESIGN_TO_LOGICAL(metrics.xHeight);
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m_lineGap = DESIGN_TO_LOGICAL(metrics.lineGap);
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}
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}
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QFixed QFontEngineDirectWrite::lineThickness() const
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{
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if (m_lineThickness > 0)
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return m_lineThickness;
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else
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return QFontEngine::lineThickness();
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}
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bool QFontEngineDirectWrite::getSfntTableData(uint tag, uchar *buffer, uint *length) const
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{
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bool ret = false;
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if (m_directWriteFontFace) {
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DWORD t = qbswap<quint32>(tag);
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const void *tableData = 0;
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void *tableContext = 0;
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UINT32 tableSize;
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BOOL exists;
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HRESULT hr = m_directWriteFontFace->TryGetFontTable(
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t, &tableData, &tableSize, &tableContext, &exists
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);
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if (SUCCEEDED(hr)) {
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if (exists) {
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if (!buffer) {
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*length = tableSize;
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ret = true;
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} else if (*length >= tableSize) {
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memcpy(buffer, tableData, tableSize);
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ret = true;
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}
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}
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m_directWriteFontFace->ReleaseFontTable(tableContext);
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} else {
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qErrnoWarning("QFontEngineDirectWrite::getSfntTableData: TryGetFontTable failed");
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}
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}
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return ret;
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}
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QFixed QFontEngineDirectWrite::emSquareSize() const
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{
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if (m_unitsPerEm > 0)
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return m_unitsPerEm;
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else
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return QFontEngine::emSquareSize();
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}
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inline unsigned int getChar(const QChar *str, int &i, const int len)
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{
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uint ucs4 = str[i].unicode();
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if (str[i].isHighSurrogate() && i < len-1 && str[i+1].isLowSurrogate()) {
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++i;
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ucs4 = QChar::surrogateToUcs4( ucs4, str[i].unicode());
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}
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return ucs4;
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}
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bool QFontEngineDirectWrite::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs,
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int *nglyphs, QTextEngine::ShaperFlags flags) const
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{
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if (m_directWriteFontFace != 0) {
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QVarLengthArray<UINT32> codePoints(len);
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for (int i=0; i<len; ++i) {
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codePoints[i] = getChar(str, i, len);
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if (flags & QTextEngine::RightToLeft)
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codePoints[i] = QChar::mirroredChar(codePoints[i]);
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}
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QVarLengthArray<UINT16> glyphIndices(len);
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HRESULT hr = m_directWriteFontFace->GetGlyphIndicesW(codePoints.data(),
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len,
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glyphIndices.data());
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if (SUCCEEDED(hr)) {
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for (int i=0; i<len; ++i)
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glyphs->glyphs[i] = glyphIndices[i];
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*nglyphs = len;
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if (!(flags & QTextEngine::GlyphIndicesOnly))
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recalcAdvances(glyphs, 0);
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return true;
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} else {
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qErrnoWarning("QFontEngineDirectWrite::stringToCMap: GetGlyphIndicesW failed");
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}
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}
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return false;
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}
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void QFontEngineDirectWrite::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags) const
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{
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if (m_directWriteFontFace == 0)
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return;
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QVarLengthArray<UINT16> glyphIndices(glyphs->numGlyphs);
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// ### Caching?
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for(int i=0; i<glyphs->numGlyphs; i++)
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glyphIndices[i] = UINT16(glyphs->glyphs[i]);
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QVarLengthArray<DWRITE_GLYPH_METRICS> glyphMetrics(glyphIndices.size());
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HRESULT hr = m_directWriteFontFace->GetDesignGlyphMetrics(glyphIndices.data(),
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glyphIndices.size(),
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glyphMetrics.data());
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if (SUCCEEDED(hr)) {
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for (int i=0; i<glyphs->numGlyphs; ++i) {
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glyphs->advances_x[i] = DESIGN_TO_LOGICAL(glyphMetrics[i].advanceWidth);
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if (fontDef.styleStrategy & QFont::ForceIntegerMetrics)
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glyphs->advances_x[i] = glyphs->advances_x[i].round();
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glyphs->advances_y[i] = 0;
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}
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} else {
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qErrnoWarning("QFontEngineDirectWrite::recalcAdvances: GetDesignGlyphMetrics failed");
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}
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}
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void QFontEngineDirectWrite::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
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QPainterPath *path, QTextItem::RenderFlags flags)
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{
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if (m_directWriteFontFace == 0)
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return;
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QVarLengthArray<UINT16> glyphIndices(nglyphs);
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QVarLengthArray<DWRITE_GLYPH_OFFSET> glyphOffsets(nglyphs);
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QVarLengthArray<FLOAT> glyphAdvances(nglyphs);
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for (int i=0; i<nglyphs; ++i) {
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glyphIndices[i] = glyphs[i];
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glyphOffsets[i].advanceOffset = positions[i].x.toReal();
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glyphOffsets[i].ascenderOffset = -positions[i].y.toReal();
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glyphAdvances[i] = 0.0;
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}
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GeometrySink geometrySink(path);
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HRESULT hr = m_directWriteFontFace->GetGlyphRunOutline(
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fontDef.pixelSize,
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glyphIndices.data(),
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glyphAdvances.data(),
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glyphOffsets.data(),
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nglyphs,
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false,
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flags & QTextItem::RightToLeft,
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&geometrySink
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);
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if (FAILED(hr))
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qErrnoWarning("QFontEngineDirectWrite::addGlyphsToPath: GetGlyphRunOutline failed");
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}
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glyph_metrics_t QFontEngineDirectWrite::boundingBox(const QGlyphLayout &glyphs)
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{
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if (glyphs.numGlyphs == 0)
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return glyph_metrics_t();
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bool round = fontDef.styleStrategy & QFont::ForceIntegerMetrics;
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QFixed w = 0;
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for (int i = 0; i < glyphs.numGlyphs; ++i) {
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w += round ? glyphs.effectiveAdvance(i).round() : glyphs.effectiveAdvance(i);
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}
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return glyph_metrics_t(0, -m_ascent, w - lastRightBearing(glyphs), m_ascent + m_descent, w, 0);
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}
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glyph_metrics_t QFontEngineDirectWrite::alphaMapBoundingBox(glyph_t glyph, QFixed subPixelPosition,
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const QTransform &matrix,
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GlyphFormat /*format*/)
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{
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glyph_metrics_t bbox = QFontEngine::boundingBox(glyph, matrix); // To get transformed advance
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UINT16 glyphIndex = glyph;
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FLOAT glyphAdvance = 0;
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DWRITE_GLYPH_OFFSET glyphOffset;
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glyphOffset.advanceOffset = 0;
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glyphOffset.ascenderOffset = 0;
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DWRITE_GLYPH_RUN glyphRun;
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glyphRun.fontFace = m_directWriteFontFace;
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glyphRun.fontEmSize = fontDef.pixelSize;
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glyphRun.glyphCount = 1;
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glyphRun.glyphIndices = &glyphIndex;
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glyphRun.glyphAdvances = &glyphAdvance;
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glyphRun.isSideways = false;
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glyphRun.bidiLevel = 0;
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glyphRun.glyphOffsets = &glyphOffset;
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DWRITE_MATRIX transform;
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transform.dx = subPixelPosition.toReal();
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transform.dy = 0;
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transform.m11 = matrix.m11();
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transform.m12 = matrix.m12();
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transform.m21 = matrix.m21();
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transform.m22 = matrix.m22();
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IDWriteGlyphRunAnalysis *glyphAnalysis = NULL;
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HRESULT hr = m_directWriteFactory->CreateGlyphRunAnalysis(
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&glyphRun,
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1.0f,
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&transform,
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DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC,
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DWRITE_MEASURING_MODE_NATURAL,
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0.0, 0.0,
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&glyphAnalysis
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);
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if (SUCCEEDED(hr)) {
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RECT rect;
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glyphAnalysis->GetAlphaTextureBounds(DWRITE_TEXTURE_CLEARTYPE_3x1, &rect);
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glyphAnalysis->Release();
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return glyph_metrics_t(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top,
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bbox.xoff, bbox.yoff);
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} else {
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return glyph_metrics_t();
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}
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}
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glyph_metrics_t QFontEngineDirectWrite::boundingBox(glyph_t g)
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{
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if (m_directWriteFontFace == 0)
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return glyph_metrics_t();
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UINT16 glyphIndex = g;
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DWRITE_GLYPH_METRICS glyphMetrics;
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HRESULT hr = m_directWriteFontFace->GetDesignGlyphMetrics(&glyphIndex, 1, &glyphMetrics);
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if (SUCCEEDED(hr)) {
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QFixed advanceWidth = DESIGN_TO_LOGICAL(glyphMetrics.advanceWidth);
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QFixed leftSideBearing = DESIGN_TO_LOGICAL(glyphMetrics.leftSideBearing);
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QFixed rightSideBearing = DESIGN_TO_LOGICAL(glyphMetrics.rightSideBearing);
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QFixed advanceHeight = DESIGN_TO_LOGICAL(glyphMetrics.advanceHeight);
|
||||
QFixed verticalOriginY = DESIGN_TO_LOGICAL(glyphMetrics.verticalOriginY);
|
||||
|
||||
if (fontDef.styleStrategy & QFont::ForceIntegerMetrics) {
|
||||
advanceWidth = advanceWidth.round();
|
||||
advanceHeight = advanceHeight.round();
|
||||
}
|
||||
|
||||
QFixed width = advanceWidth - leftSideBearing - rightSideBearing;
|
||||
|
||||
return glyph_metrics_t(-leftSideBearing, -verticalOriginY,
|
||||
width, m_ascent + m_descent,
|
||||
advanceWidth, advanceHeight);
|
||||
} else {
|
||||
qErrnoWarning("QFontEngineDirectWrite::boundingBox: GetDesignGlyphMetrics failed");
|
||||
}
|
||||
|
||||
return glyph_metrics_t();
|
||||
}
|
||||
|
||||
QFixed QFontEngineDirectWrite::ascent() const
|
||||
{
|
||||
return fontDef.styleStrategy & QFont::ForceIntegerMetrics
|
||||
? m_ascent.round()
|
||||
: m_ascent;
|
||||
}
|
||||
|
||||
QFixed QFontEngineDirectWrite::descent() const
|
||||
{
|
||||
return fontDef.styleStrategy & QFont::ForceIntegerMetrics
|
||||
? (m_descent).round()
|
||||
: (m_descent);
|
||||
}
|
||||
|
||||
QFixed QFontEngineDirectWrite::leading() const
|
||||
{
|
||||
return fontDef.styleStrategy & QFont::ForceIntegerMetrics
|
||||
? m_lineGap.round()
|
||||
: m_lineGap;
|
||||
}
|
||||
|
||||
QFixed QFontEngineDirectWrite::xHeight() const
|
||||
{
|
||||
return fontDef.styleStrategy & QFont::ForceIntegerMetrics
|
||||
? m_xHeight.round()
|
||||
: m_xHeight;
|
||||
}
|
||||
|
||||
qreal QFontEngineDirectWrite::maxCharWidth() const
|
||||
{
|
||||
// ###
|
||||
return 0;
|
||||
}
|
||||
|
||||
extern const uint *qt_pow_gamma();
|
||||
|
||||
QImage QFontEngineDirectWrite::alphaMapForGlyph(glyph_t glyph, QFixed subPixelPosition,
|
||||
const QTransform &xform)
|
||||
{
|
||||
QImage im = imageForGlyph(glyph, subPixelPosition, 0, xform);
|
||||
|
||||
QImage indexed(im.width(), im.height(), QImage::Format_Indexed8);
|
||||
QVector<QRgb> colors(256);
|
||||
for (int i=0; i<256; ++i)
|
||||
colors[i] = qRgba(0, 0, 0, i);
|
||||
indexed.setColorTable(colors);
|
||||
|
||||
uint *gamma = qt_pow_gamma();
|
||||
for (int y=0; y<im.height(); ++y) {
|
||||
uint *src = (uint*) im.scanLine(y);
|
||||
uchar *dst = indexed.scanLine(y);
|
||||
for (int x=0; x<im.width(); ++x) {
|
||||
uint gray = qGray(0xffffffff - *src);
|
||||
*dst = 255 - (gamma ? gamma[gray] * 255. / 2047. : gray);
|
||||
++dst;
|
||||
++src;
|
||||
}
|
||||
}
|
||||
|
||||
return indexed;
|
||||
}
|
||||
|
||||
bool QFontEngineDirectWrite::supportsSubPixelPositions() const
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
QImage QFontEngineDirectWrite::imageForGlyph(glyph_t t,
|
||||
QFixed subPixelPosition,
|
||||
int margin,
|
||||
const QTransform &xform)
|
||||
{
|
||||
UINT16 glyphIndex = t;
|
||||
FLOAT glyphAdvance = 0;
|
||||
|
||||
DWRITE_GLYPH_OFFSET glyphOffset;
|
||||
glyphOffset.advanceOffset = 0;
|
||||
glyphOffset.ascenderOffset = 0;
|
||||
|
||||
DWRITE_GLYPH_RUN glyphRun;
|
||||
glyphRun.fontFace = m_directWriteFontFace;
|
||||
glyphRun.fontEmSize = fontDef.pixelSize;
|
||||
glyphRun.glyphCount = 1;
|
||||
glyphRun.glyphIndices = &glyphIndex;
|
||||
glyphRun.glyphAdvances = &glyphAdvance;
|
||||
glyphRun.isSideways = false;
|
||||
glyphRun.bidiLevel = 0;
|
||||
glyphRun.glyphOffsets = &glyphOffset;
|
||||
|
||||
DWRITE_MATRIX transform;
|
||||
transform.dx = subPixelPosition.toReal();
|
||||
transform.dy = 0;
|
||||
transform.m11 = xform.m11();
|
||||
transform.m12 = xform.m12();
|
||||
transform.m21 = xform.m21();
|
||||
transform.m22 = xform.m22();
|
||||
|
||||
IDWriteGlyphRunAnalysis *glyphAnalysis = NULL;
|
||||
HRESULT hr = m_directWriteFactory->CreateGlyphRunAnalysis(
|
||||
&glyphRun,
|
||||
1.0f,
|
||||
&transform,
|
||||
DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC,
|
||||
DWRITE_MEASURING_MODE_NATURAL,
|
||||
0.0, 0.0,
|
||||
&glyphAnalysis
|
||||
);
|
||||
|
||||
if (SUCCEEDED(hr)) {
|
||||
RECT rect;
|
||||
glyphAnalysis->GetAlphaTextureBounds(DWRITE_TEXTURE_CLEARTYPE_3x1, &rect);
|
||||
|
||||
rect.left -= margin;
|
||||
rect.top -= margin;
|
||||
rect.right += margin;
|
||||
rect.bottom += margin;
|
||||
|
||||
int width = rect.right - rect.left;
|
||||
int height = rect.bottom - rect.top;
|
||||
|
||||
int size = width * height * 3;
|
||||
if (size > 0) {
|
||||
BYTE *alphaValues = new BYTE[size];
|
||||
memset(alphaValues, size, 0);
|
||||
|
||||
hr = glyphAnalysis->CreateAlphaTexture(DWRITE_TEXTURE_CLEARTYPE_3x1,
|
||||
&rect,
|
||||
alphaValues,
|
||||
size);
|
||||
|
||||
if (SUCCEEDED(hr)) {
|
||||
QImage img(width, height, QImage::Format_RGB32);
|
||||
img.fill(0xffffffff);
|
||||
|
||||
for (int y=0; y<height; ++y) {
|
||||
uint *dest = reinterpret_cast<uint *>(img.scanLine(y));
|
||||
BYTE *src = alphaValues + width * 3 * y;
|
||||
|
||||
for (int x=0; x<width; ++x) {
|
||||
dest[x] = *(src) << 16
|
||||
| *(src + 1) << 8
|
||||
| *(src + 2);
|
||||
|
||||
src += 3;
|
||||
}
|
||||
}
|
||||
|
||||
delete[] alphaValues;
|
||||
glyphAnalysis->Release();
|
||||
|
||||
return img;
|
||||
} else {
|
||||
delete[] alphaValues;
|
||||
glyphAnalysis->Release();
|
||||
|
||||
qErrnoWarning("QFontEngineDirectWrite::imageForGlyph: CreateAlphaTexture failed");
|
||||
}
|
||||
}
|
||||
} else {
|
||||
qErrnoWarning("QFontEngineDirectWrite::imageForGlyph: CreateGlyphRunAnalysis failed");
|
||||
}
|
||||
|
||||
return QImage();
|
||||
}
|
||||
|
||||
QImage QFontEngineDirectWrite::alphaRGBMapForGlyph(glyph_t t,
|
||||
QFixed subPixelPosition,
|
||||
const QTransform &xform)
|
||||
{
|
||||
QImage mask = imageForGlyph(t, subPixelPosition,
|
||||
glyphMargin(QFontEngineGlyphCache::Raster_RGBMask),
|
||||
xform);
|
||||
return mask.depth() == 32
|
||||
? mask
|
||||
: mask.convertToFormat(QImage::Format_RGB32);
|
||||
}
|
||||
|
||||
const char *QFontEngineDirectWrite::name() const
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool QFontEngineDirectWrite::canRender(const QChar *string, int len)
|
||||
{
|
||||
QVarLengthArray<UINT32> codePoints(len);
|
||||
int actualLength = 0;
|
||||
for (int i=0; i<len; ++i, actualLength++)
|
||||
codePoints[actualLength] = getChar(string, i, len);
|
||||
|
||||
QVarLengthArray<UINT16> glyphIndices(actualLength);
|
||||
HRESULT hr = m_directWriteFontFace->GetGlyphIndices(codePoints.data(), actualLength,
|
||||
glyphIndices.data());
|
||||
if (FAILED(hr)) {
|
||||
qErrnoWarning(hr, "QFontEngineDirectWrite::canRender: GetGlyphIndices failed");
|
||||
return false;
|
||||
} else {
|
||||
for (int i=0; i<glyphIndices.size(); ++i) {
|
||||
if (glyphIndices.at(i) == 0)
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
QFontEngine::Type QFontEngineDirectWrite::type() const
|
||||
{
|
||||
return QFontEngine::DirectWrite;
|
||||
}
|
||||
|
||||
QFontEngine *QFontEngineDirectWrite::cloneWithSize(qreal pixelSize) const
|
||||
{
|
||||
QFontEngine *fontEngine = new QFontEngineDirectWrite(m_directWriteFactory, m_directWriteFontFace,
|
||||
pixelSize);
|
||||
|
||||
fontEngine->fontDef = fontDef;
|
||||
fontEngine->fontDef.pixelSize = pixelSize;
|
||||
|
||||
return fontEngine;
|
||||
}
|
||||
|
||||
QT_END_NAMESPACE
|
||||
|
||||
#endif // QT_NO_DIRECTWRITE
|
@ -1,135 +0,0 @@
|
||||
/****************************************************************************
|
||||
**
|
||||
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
|
||||
** Contact: http://www.qt-project.org/
|
||||
**
|
||||
** This file is part of the QtGui module of the Qt Toolkit.
|
||||
**
|
||||
** $QT_BEGIN_LICENSE:LGPL$
|
||||
** GNU Lesser General Public License Usage
|
||||
** This file may be used under the terms of the GNU Lesser General Public
|
||||
** License version 2.1 as published by the Free Software Foundation and
|
||||
** appearing in the file LICENSE.LGPL included in the packaging of this
|
||||
** file. Please review the following information to ensure the GNU Lesser
|
||||
** General Public License version 2.1 requirements will be met:
|
||||
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
||||
**
|
||||
** In addition, as a special exception, Nokia gives you certain additional
|
||||
** rights. These rights are described in the Nokia Qt LGPL Exception
|
||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
||||
**
|
||||
** GNU General Public License Usage
|
||||
** Alternatively, this file may be used under the terms of the GNU General
|
||||
** Public License version 3.0 as published by the Free Software Foundation
|
||||
** and appearing in the file LICENSE.GPL included in the packaging of this
|
||||
** file. Please review the following information to ensure the GNU General
|
||||
** Public License version 3.0 requirements will be met:
|
||||
** http://www.gnu.org/copyleft/gpl.html.
|
||||
**
|
||||
** Other Usage
|
||||
** Alternatively, this file may be used in accordance with the terms and
|
||||
** conditions contained in a signed written agreement between you and Nokia.
|
||||
**
|
||||
**
|
||||
**
|
||||
**
|
||||
**
|
||||
**
|
||||
** $QT_END_LICENSE$
|
||||
**
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef QFONTENGINEDIRECTWRITE_H
|
||||
#define QFONTENGINEDIRECTWRITE_H
|
||||
|
||||
#ifndef QT_NO_DIRECTWRITE
|
||||
|
||||
//
|
||||
// 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"
|
||||
|
||||
struct IDWriteFont ;
|
||||
struct IDWriteFontFace ;
|
||||
struct IDWriteFactory ;
|
||||
struct IDWriteBitmapRenderTarget ;
|
||||
struct IDWriteGdiInterop ;
|
||||
|
||||
QT_BEGIN_NAMESPACE
|
||||
|
||||
class QFontEngineDirectWrite : public QFontEngine
|
||||
{
|
||||
Q_OBJECT
|
||||
public:
|
||||
explicit QFontEngineDirectWrite(IDWriteFactory *directWriteFactory,
|
||||
IDWriteFontFace *directWriteFontFace,
|
||||
qreal pixelSize);
|
||||
~QFontEngineDirectWrite();
|
||||
|
||||
QFixed lineThickness() const;
|
||||
bool getSfntTableData(uint tag, uchar *buffer, uint *length) const;
|
||||
QFixed emSquareSize() const;
|
||||
|
||||
bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const;
|
||||
void recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags) const;
|
||||
|
||||
void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
|
||||
QPainterPath *path, QTextItem::RenderFlags flags);
|
||||
|
||||
glyph_metrics_t boundingBox(const QGlyphLayout &glyphs);
|
||||
glyph_metrics_t boundingBox(glyph_t g);
|
||||
glyph_metrics_t alphaMapBoundingBox(glyph_t glyph,
|
||||
QFixed subPixelPosition,
|
||||
const QTransform &matrix,
|
||||
GlyphFormat format);
|
||||
|
||||
QFixed ascent() const;
|
||||
QFixed descent() const;
|
||||
QFixed leading() const;
|
||||
QFixed xHeight() const;
|
||||
qreal maxCharWidth() const;
|
||||
|
||||
const char *name() const;
|
||||
|
||||
bool supportsSubPixelPositions() const;
|
||||
|
||||
QImage alphaMapForGlyph(glyph_t, QFixed subPixelPosition, const QTransform &t);
|
||||
QImage alphaRGBMapForGlyph(glyph_t t, QFixed subPixelPosition, const QTransform &xform);
|
||||
|
||||
QFontEngine *cloneWithSize(qreal pixelSize) const;
|
||||
|
||||
bool canRender(const QChar *string, int len);
|
||||
Type type() const;
|
||||
|
||||
private:
|
||||
friend class QRawFontPrivate;
|
||||
|
||||
QImage imageForGlyph(glyph_t t, QFixed subPixelPosition, int margin, const QTransform &xform);
|
||||
void collectMetrics();
|
||||
|
||||
IDWriteFontFace *m_directWriteFontFace;
|
||||
IDWriteFactory *m_directWriteFactory;
|
||||
IDWriteBitmapRenderTarget *m_directWriteBitmapRenderTarget;
|
||||
|
||||
QFixed m_lineThickness;
|
||||
int m_unitsPerEm;
|
||||
QFixed m_ascent;
|
||||
QFixed m_descent;
|
||||
QFixed m_xHeight;
|
||||
QFixed m_lineGap;
|
||||
FaceId m_faceId;
|
||||
};
|
||||
|
||||
QT_END_NAMESPACE
|
||||
|
||||
#endif // QT_NO_DIRECTWRITE
|
||||
|
||||
#endif // QFONTENGINEDIRECTWRITE_H
|
@ -77,12 +77,6 @@ SOURCES += \
|
||||
text/qglyphrun.cpp \
|
||||
text/qdistancefield.cpp
|
||||
|
||||
contains(QT_CONFIG, directwrite) {
|
||||
LIBS_PRIVATE += -ldwrite
|
||||
HEADERS += text/qfontenginedirectwrite_p.h
|
||||
SOURCES += text/qfontenginedirectwrite.cpp
|
||||
}
|
||||
|
||||
SOURCES += \
|
||||
text/qfont_qpa.cpp \
|
||||
text/qfontengine_qpa.cpp \
|
||||
|
Loading…
Reference in New Issue
Block a user