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-rw-r--r--src/declarative/scenegraph/qsgadaptationlayer.cpp315
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diff --git a/src/declarative/scenegraph/qsgadaptationlayer.cpp b/src/declarative/scenegraph/qsgadaptationlayer.cpp
deleted file mode 100644
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--- a/src/declarative/scenegraph/qsgadaptationlayer.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtDeclarative 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.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qsgadaptationlayer_p.h"
-
-#include <qmath.h>
-#include <private/qsgdistancefieldutil_p.h>
-#include <private/qsgdistancefieldglyphnode_p.h>
-#include <private/qrawfont_p.h>
-#include <QtGui/qguiapplication.h>
-#include <qdir.h>
-
-QT_BEGIN_NAMESPACE
-
-
-QHash<QString, QOpenGLMultiGroupSharedResource> QSGDistanceFieldGlyphCache::m_caches_data;
-
-QSGDistanceFieldGlyphCache::QSGDistanceFieldGlyphCache(QSGDistanceFieldGlyphCacheManager *man, QOpenGLContext *c, const QRawFont &font)
- : ctx(c)
- , m_manager(man)
-{
- Q_ASSERT(font.isValid());
- m_font = font;
-
- m_cacheData = cacheData();
-
- QRawFontPrivate *fontD = QRawFontPrivate::get(m_font);
- m_glyphCount = fontD->fontEngine->glyphCount();
-
- m_cacheData->doubleGlyphResolution = qt_fontHasNarrowOutlines(font) && m_glyphCount < QT_DISTANCEFIELD_HIGHGLYPHCOUNT;
-
- m_referenceFont = m_font;
- m_referenceFont.setPixelSize(QT_DISTANCEFIELD_BASEFONTSIZE(m_cacheData->doubleGlyphResolution));
- Q_ASSERT(m_referenceFont.isValid());
-}
-
-QSGDistanceFieldGlyphCache::~QSGDistanceFieldGlyphCache()
-{
-}
-
-QSGDistanceFieldGlyphCache::GlyphCacheData *QSGDistanceFieldGlyphCache::cacheData()
-{
- QString key = QString::fromLatin1("%1_%2_%3_%4")
- .arg(m_font.familyName())
- .arg(m_font.styleName())
- .arg(m_font.weight())
- .arg(m_font.style());
- return m_caches_data[key].value<QSGDistanceFieldGlyphCache::GlyphCacheData>(ctx);
-}
-
-qreal QSGDistanceFieldGlyphCache::fontScale() const
-{
- return qreal(m_font.pixelSize()) / QT_DISTANCEFIELD_BASEFONTSIZE(m_cacheData->doubleGlyphResolution);
-}
-
-int QSGDistanceFieldGlyphCache::distanceFieldRadius() const
-{
- return QT_DISTANCEFIELD_DEFAULT_RADIUS / QT_DISTANCEFIELD_SCALE(m_cacheData->doubleGlyphResolution);
-}
-
-QSGDistanceFieldGlyphCache::Metrics QSGDistanceFieldGlyphCache::glyphMetrics(glyph_t glyph)
-{
- QHash<glyph_t, Metrics>::iterator metric = m_metrics.find(glyph);
- if (metric == m_metrics.end()) {
- QPainterPath path = m_font.pathForGlyph(glyph);
- QRectF br = path.boundingRect();
-
- Metrics m;
- m.width = br.width();
- m.height = br.height();
- m.baselineX = br.x();
- m.baselineY = -br.y();
-
- metric = m_metrics.insert(glyph, m);
- }
-
- return metric.value();
-}
-
-QSGDistanceFieldGlyphCache::TexCoord QSGDistanceFieldGlyphCache::glyphTexCoord(glyph_t glyph) const
-{
- return m_cacheData->texCoords.value(glyph);
-}
-
-static QSGDistanceFieldGlyphCache::Texture g_emptyTexture;
-
-const QSGDistanceFieldGlyphCache::Texture *QSGDistanceFieldGlyphCache::glyphTexture(glyph_t glyph) const
-{
- QHash<glyph_t, Texture*>::const_iterator it = m_cacheData->glyphTextures.find(glyph);
- if (it == m_cacheData->glyphTextures.constEnd())
- return &g_emptyTexture;
- return it.value();
-}
-
-void QSGDistanceFieldGlyphCache::populate(const QVector<glyph_t> &glyphs)
-{
- QSet<glyph_t> newGlyphs;
- int count = glyphs.count();
- for (int i = 0; i < count; ++i) {
- glyph_t glyphIndex = glyphs.at(i);
- if ((int) glyphIndex >= glyphCount()) {
- qWarning("Warning: distance-field glyph is not available with index %d", glyphIndex);
- continue;
- }
-
- if (m_cacheData->texCoords.contains(glyphIndex) || newGlyphs.contains(glyphIndex))
- continue;
-
- QPainterPath path = m_referenceFont.pathForGlyph(glyphIndex);
- m_cacheData->glyphPaths.insert(glyphIndex, path);
- if (path.isEmpty()) {
- TexCoord c;
- c.width = 0;
- c.height = 0;
- m_cacheData->texCoords.insert(glyphIndex, c);
- continue;
- }
-
- newGlyphs.insert(glyphIndex);
- }
-
- if (newGlyphs.isEmpty())
- return;
-
- QVector<glyph_t> glyphsVec;
- QSet<glyph_t>::const_iterator it = newGlyphs.constBegin();
- while (it != newGlyphs.constEnd()) {
- glyphsVec.append(*it);
- ++it;
- }
- requestGlyphs(glyphsVec);
-}
-
-void QSGDistanceFieldGlyphCache::release(const QVector<glyph_t> &glyphs)
-{
- releaseGlyphs(glyphs);
-}
-
-void QSGDistanceFieldGlyphCache::update()
-{
- if (m_cacheData->pendingGlyphs.isEmpty())
- return;
-
- QHash<glyph_t, QImage> distanceFields;
-
- // ### Remove before final release
- static bool cacheDistanceFields = QGuiApplication::arguments().contains(QLatin1String("--cache-distance-fields"));
-
- QString tmpPath = QString::fromLatin1("%1/.qt/").arg(QDir::tempPath());
- QString keyBase = QString::fromLatin1("%1%2%3_%4_%5_%6.fontblob")
- .arg(tmpPath)
- .arg(m_font.familyName())
- .arg(m_font.styleName())
- .arg(m_font.weight())
- .arg(m_font.style());
-
- if (cacheDistanceFields && !QFile::exists(tmpPath))
- QDir(tmpPath).mkpath(tmpPath);
-
- for (int i = 0; i < m_cacheData->pendingGlyphs.size(); ++i) {
- glyph_t glyphIndex = m_cacheData->pendingGlyphs.at(i);
-
- if (cacheDistanceFields) {
- QString key = keyBase.arg(glyphIndex);
- QFile file(key);
- if (file.open(QFile::ReadOnly)) {
- int fileSize = file.size();
- int dim = sqrt(float(fileSize));
- QByteArray blob = file.readAll();
- QImage df(dim, dim, QImage::Format_Indexed8);
- memcpy(df.bits(), blob.constData(), fileSize);
- distanceFields.insert(glyphIndex, df);
- continue;
- }
- }
-
- QImage distanceField = qt_renderDistanceFieldGlyph(m_font, glyphIndex, m_cacheData->doubleGlyphResolution);
- distanceFields.insert(glyphIndex, distanceField);
-
- if (cacheDistanceFields) {
- QString key = keyBase.arg(glyphIndex);
- QFile file(key);
- file.open(QFile::WriteOnly);
- file.write((const char *) distanceField.constBits(), distanceField.width() * distanceField.height());
- }
- }
-
- m_cacheData->pendingGlyphs.reset();
-
- storeGlyphs(distanceFields);
-}
-
-void QSGDistanceFieldGlyphCache::addGlyphPositions(const QList<GlyphPosition> &glyphs)
-{
- int count = glyphs.count();
- for (int i = 0; i < count; ++i) {
- GlyphPosition glyph = glyphs.at(i);
-
- QPainterPath path = m_cacheData->glyphPaths.value(glyph.glyph);
- QRectF br = path.boundingRect();
- TexCoord c;
- c.xMargin = QT_DISTANCEFIELD_RADIUS(m_cacheData->doubleGlyphResolution) / qreal(QT_DISTANCEFIELD_SCALE(m_cacheData->doubleGlyphResolution));
- c.yMargin = QT_DISTANCEFIELD_RADIUS(m_cacheData->doubleGlyphResolution) / qreal(QT_DISTANCEFIELD_SCALE(m_cacheData->doubleGlyphResolution));
- c.x = glyph.position.x();
- c.y = glyph.position.y();
- c.width = br.width();
- c.height = br.height();
-
- m_cacheData->texCoords.insert(glyph.glyph, c);
- }
-}
-
-void QSGDistanceFieldGlyphCache::addGlyphTextures(const QVector<glyph_t> &glyphs, const Texture &tex)
-{
- int i = m_cacheData->textures.indexOf(tex);
- if (i == -1) {
- m_cacheData->textures.append(tex);
- i = m_cacheData->textures.size() - 1;
- } else {
- m_cacheData->textures[i].size = tex.size;
- }
- Texture *texture = &(m_cacheData->textures[i]);
-
- int count = glyphs.count();
- for (int j = 0; j < count; ++j)
- m_cacheData->glyphTextures.insert(glyphs.at(j), texture);
-
- QLinkedList<QSGDistanceFieldGlyphNode *>::iterator it = m_cacheData->m_registeredNodes.begin();
- while (it != m_cacheData->m_registeredNodes.end()) {
- (*it)->updateGeometry();
- ++it;
- }
-}
-
-void QSGDistanceFieldGlyphCache::markGlyphsToRender(const QVector<glyph_t> &glyphs)
-{
- int count = glyphs.count();
- for (int i = 0; i < count; ++i)
- m_cacheData->pendingGlyphs.add(glyphs.at(i));
-}
-
-void QSGDistanceFieldGlyphCache::removeGlyph(glyph_t glyph)
-{
- m_cacheData->texCoords.remove(glyph);
- m_cacheData->glyphTextures.remove(glyph);
-}
-
-void QSGDistanceFieldGlyphCache::updateTexture(GLuint oldTex, GLuint newTex, const QSize &newTexSize)
-{
- int count = m_cacheData->textures.count();
- for (int i = 0; i < count; ++i) {
- Texture &tex = m_cacheData->textures[i];
- if (tex.textureId == oldTex) {
- tex.textureId = newTex;
- tex.size = newTexSize;
- return;
- }
- }
-}
-
-bool QSGDistanceFieldGlyphCache::containsGlyph(glyph_t glyph) const
-{
- return m_cacheData->texCoords.contains(glyph);
-}
-
-void QSGDistanceFieldGlyphCache::registerGlyphNode(QSGDistanceFieldGlyphNode *node)
-{
- m_cacheData->m_registeredNodes.append(node);
-}
-
-void QSGDistanceFieldGlyphCache::unregisterGlyphNode(QSGDistanceFieldGlyphNode *node)
-{
- m_cacheData->m_registeredNodes.removeOne(node);
-}
-
-
-QT_END_NAMESPACE