+++ /dev/null
-/****************************************************************************
-**
-** 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 QT_NO_DIRECTWRITE
-
-#include "qfontenginedirectwrite_p.h"
-
-#include <qendian.h>
-#include <dwrite.h>
-#include <private/qnativeimage_p.h>
-
-#include <d2d1.h>
-
-QT_BEGIN_NAMESPACE
-
-// Convert from design units to logical pixels
-#define DESIGN_TO_LOGICAL(DESIGN_UNIT_VALUE) \
- QFixed::fromReal((qreal(DESIGN_UNIT_VALUE) / qreal(m_unitsPerEm)) * fontDef.pixelSize)
-
-namespace {
-
- class GeometrySink: public IDWriteGeometrySink
- {
- public:
- GeometrySink(QPainterPath *path) : m_path(path), m_refCount(0)
- {
- Q_ASSERT(m_path != 0);
- }
-
- IFACEMETHOD_(void, AddBeziers)(const D2D1_BEZIER_SEGMENT *beziers, UINT bezierCount);
- IFACEMETHOD_(void, AddLines)(const D2D1_POINT_2F *points, UINT pointCount);
- IFACEMETHOD_(void, BeginFigure)(D2D1_POINT_2F startPoint, D2D1_FIGURE_BEGIN figureBegin);
- IFACEMETHOD(Close)();
- IFACEMETHOD_(void, EndFigure)(D2D1_FIGURE_END figureEnd);
- IFACEMETHOD_(void, SetFillMode)(D2D1_FILL_MODE fillMode);
- IFACEMETHOD_(void, SetSegmentFlags)(D2D1_PATH_SEGMENT vertexFlags);
-
- IFACEMETHOD_(unsigned long, AddRef)();
- IFACEMETHOD_(unsigned long, Release)();
- IFACEMETHOD(QueryInterface)(IID const &riid, void **ppvObject);
-
- private:
- inline static QPointF fromD2D1_POINT_2F(const D2D1_POINT_2F &inp)
- {
- return QPointF(inp.x, inp.y);
- }
-
- unsigned long m_refCount;
- QPointF m_startPoint;
- QPainterPath *m_path;
- };
-
- void GeometrySink::AddBeziers(const D2D1_BEZIER_SEGMENT *beziers,
- UINT bezierCount)
- {
- for (uint i=0; i<bezierCount; ++i) {
- QPointF c1 = fromD2D1_POINT_2F(beziers[i].point1);
- QPointF c2 = fromD2D1_POINT_2F(beziers[i].point2);
- QPointF p2 = fromD2D1_POINT_2F(beziers[i].point3);
-
- m_path->cubicTo(c1, c2, p2);
- }
- }
-
- void GeometrySink::AddLines(const D2D1_POINT_2F *points, UINT pointsCount)
- {
- for (uint i=0; i<pointsCount; ++i)
- m_path->lineTo(fromD2D1_POINT_2F(points[i]));
- }
-
- void GeometrySink::BeginFigure(D2D1_POINT_2F startPoint,
- D2D1_FIGURE_BEGIN /*figureBegin*/)
- {
- m_startPoint = fromD2D1_POINT_2F(startPoint);
- m_path->moveTo(m_startPoint);
- }
-
- IFACEMETHODIMP GeometrySink::Close()
- {
- return E_NOTIMPL;
- }
-
- void GeometrySink::EndFigure(D2D1_FIGURE_END figureEnd)
- {
- if (figureEnd == D2D1_FIGURE_END_CLOSED)
- m_path->closeSubpath();
- }
-
- void GeometrySink::SetFillMode(D2D1_FILL_MODE fillMode)
- {
- m_path->setFillRule(fillMode == D2D1_FILL_MODE_ALTERNATE
- ? Qt::OddEvenFill
- : Qt::WindingFill);
- }
-
- void GeometrySink::SetSegmentFlags(D2D1_PATH_SEGMENT /*vertexFlags*/)
- {
- /* Not implemented */
- }
-
- IFACEMETHODIMP_(unsigned long) GeometrySink::AddRef()
- {
- return InterlockedIncrement(&m_refCount);
- }
-
- IFACEMETHODIMP_(unsigned long) GeometrySink::Release()
- {
- unsigned long newCount = InterlockedDecrement(&m_refCount);
- if (newCount == 0)
- {
- delete this;
- return 0;
- }
-
- return newCount;
- }
-
- IFACEMETHODIMP GeometrySink::QueryInterface(IID const &riid, void **ppvObject)
- {
- if (__uuidof(IDWriteGeometrySink) == riid) {
- *ppvObject = this;
- } else if (__uuidof(IUnknown) == riid) {
- *ppvObject = this;
- } else {
- *ppvObject = NULL;
- return E_FAIL;
- }
-
- AddRef();
- return S_OK;
- }
-
-}
-
-QFontEngineDirectWrite::QFontEngineDirectWrite(IDWriteFactory *directWriteFactory,
- IDWriteFontFace *directWriteFontFace,
- qreal pixelSize)
- : m_directWriteFontFace(directWriteFontFace)
- , m_directWriteFactory(directWriteFactory)
- , m_directWriteBitmapRenderTarget(0)
- , m_lineThickness(-1)
- , m_unitsPerEm(-1)
- , m_ascent(-1)
- , m_descent(-1)
- , m_xHeight(-1)
- , m_lineGap(-1)
-{
- m_directWriteFactory->AddRef();
- m_directWriteFontFace->AddRef();
-
- fontDef.pixelSize = pixelSize;
- collectMetrics();
-}
-
-QFontEngineDirectWrite::~QFontEngineDirectWrite()
-{
- m_directWriteFactory->Release();
- m_directWriteFontFace->Release();
-
- if (m_directWriteBitmapRenderTarget != 0)
- m_directWriteBitmapRenderTarget->Release();
-}
-
-void QFontEngineDirectWrite::collectMetrics()
-{
- if (m_directWriteFontFace != 0) {
- DWRITE_FONT_METRICS metrics;
-
- m_directWriteFontFace->GetMetrics(&metrics);
- m_unitsPerEm = metrics.designUnitsPerEm;
-
- m_lineThickness = DESIGN_TO_LOGICAL(metrics.underlineThickness);
- m_ascent = DESIGN_TO_LOGICAL(metrics.ascent);
- m_descent = DESIGN_TO_LOGICAL(metrics.descent);
- m_xHeight = DESIGN_TO_LOGICAL(metrics.xHeight);
- m_lineGap = DESIGN_TO_LOGICAL(metrics.lineGap);
- }
-}
-
-QFixed QFontEngineDirectWrite::lineThickness() const
-{
- if (m_lineThickness > 0)
- return m_lineThickness;
- else
- return QFontEngine::lineThickness();
-}
-
-bool QFontEngineDirectWrite::getSfntTableData(uint tag, uchar *buffer, uint *length) const
-{
- bool ret = false;
-
- if (m_directWriteFontFace) {
- DWORD t = qbswap<quint32>(tag);
-
- const void *tableData = 0;
- void *tableContext = 0;
- UINT32 tableSize;
- BOOL exists;
- HRESULT hr = m_directWriteFontFace->TryGetFontTable(
- t, &tableData, &tableSize, &tableContext, &exists
- );
-
- if (SUCCEEDED(hr)) {
- if (exists) {
- if (!buffer) {
- *length = tableSize;
- ret = true;
- } else if (*length >= tableSize) {
- memcpy(buffer, tableData, tableSize);
- ret = true;
- }
- }
- m_directWriteFontFace->ReleaseFontTable(tableContext);
- } else {
- qErrnoWarning("QFontEngineDirectWrite::getSfntTableData: TryGetFontTable failed");
- }
- }
-
- return ret;
-}
-
-QFixed QFontEngineDirectWrite::emSquareSize() const
-{
- if (m_unitsPerEm > 0)
- return m_unitsPerEm;
- else
- return QFontEngine::emSquareSize();
-}
-
-inline unsigned int getChar(const QChar *str, int &i, const int len)
-{
- uint ucs4 = str[i].unicode();
- if (str[i].isHighSurrogate() && i < len-1 && str[i+1].isLowSurrogate()) {
- ++i;
- ucs4 = QChar::surrogateToUcs4( ucs4, str[i].unicode());
- }
- return ucs4;
-}
-
-bool QFontEngineDirectWrite::stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs,
- int *nglyphs, QTextEngine::ShaperFlags flags) const
-{
- if (m_directWriteFontFace != 0) {
- QVarLengthArray<UINT32> codePoints(len);
- for (int i=0; i<len; ++i) {
- codePoints[i] = getChar(str, i, len);
- if (flags & QTextEngine::RightToLeft)
- codePoints[i] = QChar::mirroredChar(codePoints[i]);
- }
-
- QVarLengthArray<UINT16> glyphIndices(len);
- HRESULT hr = m_directWriteFontFace->GetGlyphIndicesW(codePoints.data(),
- len,
- glyphIndices.data());
-
- if (SUCCEEDED(hr)) {
- for (int i=0; i<len; ++i)
- glyphs->glyphs[i] = glyphIndices[i];
-
- *nglyphs = len;
-
- if (!(flags & QTextEngine::GlyphIndicesOnly))
- recalcAdvances(glyphs, 0);
-
- return true;
- } else {
- qErrnoWarning("QFontEngineDirectWrite::stringToCMap: GetGlyphIndicesW failed");
- }
- }
-
- return false;
-}
-
-void QFontEngineDirectWrite::recalcAdvances(QGlyphLayout *glyphs, QTextEngine::ShaperFlags) const
-{
- if (m_directWriteFontFace == 0)
- return;
-
- QVarLengthArray<UINT16> glyphIndices(glyphs->numGlyphs);
-
- // ### Caching?
- for(int i=0; i<glyphs->numGlyphs; i++)
- glyphIndices[i] = UINT16(glyphs->glyphs[i]);
-
- QVarLengthArray<DWRITE_GLYPH_METRICS> glyphMetrics(glyphIndices.size());
- HRESULT hr = m_directWriteFontFace->GetDesignGlyphMetrics(glyphIndices.data(),
- glyphIndices.size(),
- glyphMetrics.data());
- if (SUCCEEDED(hr)) {
- for (int i=0; i<glyphs->numGlyphs; ++i) {
- glyphs->advances_x[i] = DESIGN_TO_LOGICAL(glyphMetrics[i].advanceWidth);
- if (fontDef.styleStrategy & QFont::ForceIntegerMetrics)
- glyphs->advances_x[i] = glyphs->advances_x[i].round();
- glyphs->advances_y[i] = 0;
- }
- } else {
- qErrnoWarning("QFontEngineDirectWrite::recalcAdvances: GetDesignGlyphMetrics failed");
- }
-}
-
-void QFontEngineDirectWrite::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
- QPainterPath *path, QTextItem::RenderFlags flags)
-{
- if (m_directWriteFontFace == 0)
- return;
-
- QVarLengthArray<UINT16> glyphIndices(nglyphs);
- QVarLengthArray<DWRITE_GLYPH_OFFSET> glyphOffsets(nglyphs);
- QVarLengthArray<FLOAT> glyphAdvances(nglyphs);
-
- for (int i=0; i<nglyphs; ++i) {
- glyphIndices[i] = glyphs[i];
- glyphOffsets[i].advanceOffset = positions[i].x.toReal();
- glyphOffsets[i].ascenderOffset = -positions[i].y.toReal();
- glyphAdvances[i] = 0.0;
- }
-
- GeometrySink geometrySink(path);
- HRESULT hr = m_directWriteFontFace->GetGlyphRunOutline(
- fontDef.pixelSize,
- glyphIndices.data(),
- glyphAdvances.data(),
- glyphOffsets.data(),
- nglyphs,
- false,
- flags & QTextItem::RightToLeft,
- &geometrySink
- );
-
- if (FAILED(hr))
- qErrnoWarning("QFontEngineDirectWrite::addGlyphsToPath: GetGlyphRunOutline failed");
-}
-
-glyph_metrics_t QFontEngineDirectWrite::boundingBox(const QGlyphLayout &glyphs)
-{
- if (glyphs.numGlyphs == 0)
- return glyph_metrics_t();
-
- bool round = fontDef.styleStrategy & QFont::ForceIntegerMetrics;
-
- QFixed w = 0;
- for (int i = 0; i < glyphs.numGlyphs; ++i) {
- w += round ? glyphs.effectiveAdvance(i).round() : glyphs.effectiveAdvance(i);
-
- }
-
- return glyph_metrics_t(0, -m_ascent, w - lastRightBearing(glyphs), m_ascent + m_descent, w, 0);
-}
-
-glyph_metrics_t QFontEngineDirectWrite::alphaMapBoundingBox(glyph_t glyph, QFixed subPixelPosition,
- const QTransform &matrix,
- GlyphFormat /*format*/)
-{
- glyph_metrics_t bbox = QFontEngine::boundingBox(glyph, matrix); // To get transformed advance
-
- UINT16 glyphIndex = glyph;
- 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 = matrix.m11();
- transform.m12 = matrix.m12();
- transform.m21 = matrix.m21();
- transform.m22 = matrix.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);
- glyphAnalysis->Release();
-
- return glyph_metrics_t(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top,
- bbox.xoff, bbox.yoff);
- } else {
- return glyph_metrics_t();
- }
-}
-
-glyph_metrics_t QFontEngineDirectWrite::boundingBox(glyph_t g)
-{
- if (m_directWriteFontFace == 0)
- return glyph_metrics_t();
-
- UINT16 glyphIndex = g;
-
- DWRITE_GLYPH_METRICS glyphMetrics;
- HRESULT hr = m_directWriteFontFace->GetDesignGlyphMetrics(&glyphIndex, 1, &glyphMetrics);
- if (SUCCEEDED(hr)) {
- QFixed advanceWidth = DESIGN_TO_LOGICAL(glyphMetrics.advanceWidth);
- QFixed leftSideBearing = DESIGN_TO_LOGICAL(glyphMetrics.leftSideBearing);
- QFixed rightSideBearing = DESIGN_TO_LOGICAL(glyphMetrics.rightSideBearing);
- 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
+++ /dev/null
-/****************************************************************************
-**
-** 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
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