a9d3d9a81a
since seems there are so many event filters installed on the QApplication installed that may give performanc issues, try to use separate, singleton watchers for them to decrease the amount of eventfilters called REVIEW:126113
128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
/*
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* Copyright 2006-2010 Aaron Seigo <aseigo@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PLASMA_SVG_P_H
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#define PLASMA_SVG_P_H
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#include <QHash>
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#include <QSharedData>
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#include <QSvgRenderer>
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#include <QExplicitlySharedDataPointer>
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#include <QObject>
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namespace Plasma
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{
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class Svg;
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class SharedSvgRenderer : public QSvgRenderer, public QSharedData
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{
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public:
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typedef QExplicitlySharedDataPointer<SharedSvgRenderer> Ptr;
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SharedSvgRenderer(QObject *parent = 0);
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SharedSvgRenderer(
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const QString &filename,
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const QString &styleSheet,
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QHash<QString, QRectF> &interestingElements,
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QObject *parent = 0);
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SharedSvgRenderer(
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const QByteArray &contents,
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const QString &styleSheet,
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QHash<QString, QRectF> &interestingElements,
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QObject *parent = 0);
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private:
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bool load(
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const QByteArray &contents,
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const QString &styleSheet,
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QHash<QString, QRectF> &interestingElements);
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};
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class SvgPrivate
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{
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public:
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SvgPrivate(Svg *svg);
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~SvgPrivate();
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//This function is meant for the rects cache
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QString cacheId(const QString &elementId);
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//This function is meant for the pixmap cache
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QString cachePath(const QString &path, const QSize &size);
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bool setImagePath(const QString &imagePath);
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Theme *actualTheme();
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Theme *cacheAndColorsTheme();
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QPixmap findInCache(const QString &elementId, qreal ratio, const QSizeF &s = QSizeF());
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void createRenderer();
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void eraseRenderer();
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QRectF elementRect(const QString &elementId);
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QRectF findAndCacheElementRect(const QString &elementId);
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QMatrix matrixForElement(const QString &elementId);
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void checkColorHints();
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//Following two are utility functions to snap rendered elements to the pixel grid
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//to and from are always 0 <= val <= 1
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qreal closestDistance(qreal to, qreal from);
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QRectF makeUniform(const QRectF &orig, const QRectF &dst);
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//Slots
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void themeChanged();
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void colorsChanged();
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static QHash<QString, SharedSvgRenderer::Ptr> s_renderers;
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static QWeakPointer<Theme> s_systemColorsCache;
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Svg *q;
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QWeakPointer<Theme> theme;
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QHash<QString, QRectF> localRectCache;
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QHash<QString, QSize> elementsWithSizeHints;
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SharedSvgRenderer::Ptr renderer;
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QString themePath;
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QString path;
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QSizeF size;
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QSizeF naturalSize;
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QChar styleCrc;
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Theme::ColorGroup colorGroup;
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unsigned int lastModified;
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qreal devicePixelRatio;
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qreal scaleFactor;
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bool multipleImages : 1;
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bool themed : 1;
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bool useSystemColors : 1;
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bool fromCurrentTheme : 1;
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bool applyColors : 1;
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bool usesColors : 1;
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bool cacheRendering : 1;
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bool themeFailed : 1;
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};
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}
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#endif
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