157 lines
4.6 KiB
C++
157 lines
4.6 KiB
C++
/*
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Copyright 2015 Adam Reichold
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This file is part of qpdfview.
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qpdfview is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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qpdfview 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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You should have received a copy of the GNU General Public License
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along with qpdfview. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef RENDERPARAM_H
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#define RENDERPARAM_H
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#include <QSharedDataPointer>
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#include "global.h"
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namespace qpdfview
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{
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enum RenderFlag
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{
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InvertColors = 1 << 0,
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ConvertToGrayscale = 1 << 1,
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TrimMargins = 1 << 2,
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DarkenWithPaperColor = 1 << 3,
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LightenWithPaperColor = 1 << 4
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};
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Q_DECLARE_FLAGS(RenderFlags, RenderFlag)
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class RenderParam
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{
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public:
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RenderParam(int resolutionX = 72, int resolutionY = 72, qreal devicePixelRatio = 1.0,
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qreal scaleFactor = 1.0, Rotation rotation = RotateBy0,
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RenderFlags flags = 0) : d(new SharedData)
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{
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d->resolutionX = resolutionX;
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d->resolutionY = resolutionY;
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d->devicePixelRatio = devicePixelRatio;
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d->scaleFactor = scaleFactor;
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d->rotation = rotation;
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d->flags = flags;
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}
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int resolutionX() const { return d->resolutionX; }
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int resolutionY() const { return d->resolutionY; }
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void setResolution(int resolutionX, int resolutionY)
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{
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d->resolutionX = resolutionX;
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d->resolutionY = resolutionY;
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}
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qreal devicePixelRatio() const { return d->devicePixelRatio; }
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void setDevicePixelRatio(qreal devicePixelRatio) { d->devicePixelRatio = devicePixelRatio; }
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qreal scaleFactor() const { return d->scaleFactor; }
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void setScaleFactor(qreal scaleFactor) { d->scaleFactor = scaleFactor; }
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Rotation rotation() const { return d->rotation; }
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void setRotation(Rotation rotation) { d->rotation = rotation; }
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RenderFlags flags() const { return d->flags; }
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void setFlags(RenderFlags flags) { d->flags = flags; }
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void setFlag(RenderFlag flag, bool enabled = true)
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{
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if(enabled)
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{
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d->flags |= flag;
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}
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else
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{
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d->flags &= ~flag;
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}
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}
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bool invertColors() const { return d->flags.testFlag(InvertColors); }
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void setInvertColors(bool invertColors) { setFlag(InvertColors, invertColors); }
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bool convertToGrayscale() const { return d->flags.testFlag(ConvertToGrayscale); }
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void setConvertToGrayscale(bool convertToGrayscale) { setFlag(ConvertToGrayscale, convertToGrayscale); }
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bool trimMargins() const { return d->flags.testFlag(TrimMargins); }
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void setTrimMargins(bool trimMargins) { setFlag(TrimMargins, trimMargins); }
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bool darkenWithPaperColor() const { return d->flags.testFlag(DarkenWithPaperColor); }
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void setDarkenWithPaperColor(bool darkenWithPaperColor) { setFlag(DarkenWithPaperColor, darkenWithPaperColor); }
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bool lightenWithPaperColor() const { return d->flags.testFlag(LightenWithPaperColor); }
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void setLightenWithPaperColor(bool lightenWithPaperColor) { setFlag(LightenWithPaperColor, lightenWithPaperColor); }
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bool operator==(const RenderParam& other) const
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{
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if(d == other.d)
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{
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return true;
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}
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else
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{
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return d->resolutionX == other.d->resolutionX
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&& d->resolutionY == other.d->resolutionY
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&& qFuzzyCompare(d->devicePixelRatio, other.d->devicePixelRatio)
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&& qFuzzyCompare(d->scaleFactor, other.d->scaleFactor)
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&& d->rotation == other.d->rotation
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&& d->flags == other.d->flags;
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}
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}
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bool operator!=(const RenderParam& other) const { return !operator==(other); }
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private:
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struct SharedData : public QSharedData
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{
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int resolutionX;
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int resolutionY;
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qreal devicePixelRatio;
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qreal scaleFactor;
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Rotation rotation;
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RenderFlags flags;
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};
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QSharedDataPointer< SharedData > d;
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};
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inline QDataStream& operator<<(QDataStream& stream, const RenderParam& that)
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{
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stream << that.resolutionX()
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<< that.resolutionY()
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<< that.devicePixelRatio()
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<< that.scaleFactor()
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<< that.rotation()
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<< that.flags();
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return stream;
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}
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} // qpdfview
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#endif // RENDERPARAM_H
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