diff options
Diffstat (limited to 'src/declarative/scenegraph/qsgadaptationlayer.cpp')
-rw-r--r-- | src/declarative/scenegraph/qsgadaptationlayer.cpp | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/src/declarative/scenegraph/qsgadaptationlayer.cpp b/src/declarative/scenegraph/qsgadaptationlayer.cpp deleted file mode 100644 index 966a24acd3..0000000000 --- a/src/declarative/scenegraph/qsgadaptationlayer.cpp +++ /dev/null @@ -1,315 +0,0 @@ -/**************************************************************************** -** -** 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 |