47c7688d02
It's unreasonable to use private API, so make everything public API so that every user of FrameSvg have as much features exposed as possible. Reviewed by David Edmundson
175 lines
4.7 KiB
C++
175 lines
4.7 KiB
C++
/*
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* Copyright 2008 by Aaron Seigo <aseigo@kde.org>
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* Copyright 2009 Marco Martin <notmart@gmail.com>
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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_FRAMESVG_P_H
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#define PLASMA_FRAMESVG_P_H
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#include <QHash>
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#include <QCache>
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#include <QStringBuilder>
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#include <QDebug>
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#include <Plasma/Theme>
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namespace Plasma
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{
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class FrameData
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{
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public:
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FrameData(FrameSvg *svg, const QString &p)
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: prefix(p),
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enabledBorders(FrameSvg::AllBorders),
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frameSize(-1, -1),
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topHeight(0),
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leftWidth(0),
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rightWidth(0),
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bottomHeight(0),
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topMargin(0),
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leftMargin(0),
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rightMargin(0),
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bottomMargin(0),
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noBorderPadding(false),
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stretchBorders(false),
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tileCenter(false),
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composeOverBorder(false)
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{
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ref(svg);
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}
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FrameData(const FrameData &other, FrameSvg *svg)
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: prefix(other.prefix),
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enabledBorders(other.enabledBorders),
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cachedMasks(MAX_CACHED_MASKS),
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frameSize(other.frameSize),
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topHeight(0),
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leftWidth(0),
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rightWidth(0),
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bottomHeight(0),
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topMargin(0),
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leftMargin(0),
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rightMargin(0),
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bottomMargin(0),
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noBorderPadding(false),
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stretchBorders(false),
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tileCenter(false),
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composeOverBorder(false)
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{
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ref(svg);
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}
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~FrameData();
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void ref(FrameSvg *svg);
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bool deref(FrameSvg *svg);
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bool removeRefs(FrameSvg *svg);
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bool isUsed() const;
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int refcount() const;
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QString prefix;
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FrameSvg::EnabledBorders enabledBorders;
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QPixmap cachedBackground;
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QCache<QString, QRegion> cachedMasks;
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static const int MAX_CACHED_MASKS = 10;
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QSize frameSize;
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//measures
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int topHeight;
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int leftWidth;
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int rightWidth;
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int bottomHeight;
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//margins, are equal to the measures by default
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int topMargin;
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int leftMargin;
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int rightMargin;
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int bottomMargin;
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//measures
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int fixedTopHeight;
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int fixedLeftWidth;
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int fixedRightWidth;
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int fixedBottomHeight;
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//margins, are equal to the measures by default
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int fixedTopMargin;
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int fixedLeftMargin;
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int fixedRightMargin;
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int fixedBottomMargin;
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//size of the svg where the size of the "center"
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//element is contentWidth x contentHeight
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bool noBorderPadding : 1;
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bool stretchBorders : 1;
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bool tileCenter : 1;
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bool composeOverBorder : 1;
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QHash<FrameSvg *, int> references;
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};
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class FrameSvgPrivate
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{
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public:
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FrameSvgPrivate(FrameSvg *psvg)
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: q(psvg),
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cacheAll(false),
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overlayPos(0, 0)
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{
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}
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~FrameSvgPrivate();
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QPixmap alphaMask();
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void generateBackground(FrameData *frame);
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void generateFrameBackground(FrameData *frame);
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QString cacheId(FrameData *frame, const QString &prefixToUse) const;
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void cacheFrame(const QString &prefixToSave, const QPixmap &background, const QPixmap &overlay);
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void updateSizes() const;
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void updateNeeded();
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void updateAndSignalSizes();
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QSizeF frameSize(FrameData *frame) const;
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void paintBorder(QPainter& p, FrameData* frame, Plasma::FrameSvg::EnabledBorders border, const QSize& originalSize, const QRect& output) const;
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void paintCorner(QPainter& p, FrameData* frame, Plasma::FrameSvg::EnabledBorders border, const QRect& output) const;
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void paintCenter(QPainter& p, FrameData* frame, const QRect& contentRect, const QSize& fullSize);
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QRect contentGeometry(FrameData* frame, const QSize& size) const;
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Types::Location location;
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QString prefix;
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//sometimes the prefix we requested is not available, so prefix will be emoty
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//keep track of the requested one anyways, we'll try again when the theme changes
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QString requestedPrefix;
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FrameSvg *q;
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bool cacheAll : 1;
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QPoint overlayPos;
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QHash<QString, FrameData *> frames;
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static QHash<ThemePrivate *, QHash<QString, FrameData *> > s_sharedFrames;
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};
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}
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#endif
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