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159 lines
4 KiB
C++
159 lines
4 KiB
C++
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/*
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Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef kpFreeFormImageSelection_H
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#define kpFreeFormImageSelection_H
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#include <kpAbstractImageSelection.h>
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class kpFreeFormImageSelection : public kpAbstractImageSelection
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{
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Q_OBJECT
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public:
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kpFreeFormImageSelection (const kpImageSelectionTransparency &transparency =
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kpImageSelectionTransparency ());
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kpFreeFormImageSelection (const QPolygon &points,
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const kpImage &baseImage = kpImage (),
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const kpImageSelectionTransparency &transparency =
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kpImageSelectionTransparency ());
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kpFreeFormImageSelection (const QPolygon &points,
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const kpImageSelectionTransparency &transparency =
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kpImageSelectionTransparency ());
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kpFreeFormImageSelection (const kpFreeFormImageSelection &rhs);
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kpFreeFormImageSelection &operator= (const kpFreeFormImageSelection &rhs);
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virtual kpFreeFormImageSelection *clone () const;
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virtual ~kpFreeFormImageSelection ();
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//
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// Marshalling
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//
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public:
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static const int SerialID = 2;
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virtual int serialID () const;
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virtual bool readFromStream (QDataStream &stream);
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virtual void writeToStream (QDataStream &stream) const;
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//
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// General Queries
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//
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public:
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virtual kpCommandSize::SizeType size () const;
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virtual bool isRectangular () const;
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// (as passed to the constructor)
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QPolygon originalPoints () const;
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//
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// Cardinally Adjacent Points
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//
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protected:
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void recalculateCardinallyAdjacentPoints ();
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public:
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// Returns the originalPoints() interpolated to be cardinally adjacent.
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QPolygon cardinallyAdjacentPoints () const;
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// Returns cardinallyAdjacentPoints() but with extra points interpolated
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// from the last point to the first point (the original points are
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// thought of as a polygon where the first and last points are connected,
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// rather than as a string of points).
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//
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// As used by the shape mask methods.
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QPolygon cardinallyAdjacentPointsLoop () const;
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//
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// Position & Dimensions
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//
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public:
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// Implements kpAbstractSelection interface - same as
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// cardinallyAdjacentPointsLoop ().
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// This implementation is fast.
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virtual QPolygon calculatePoints () const;
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//
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// Shape Mask
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//
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public:
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virtual QRegion shapeRegion () const;
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//
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// Point Testing
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//
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public:
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virtual bool contains (const QPoint &point) const;
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//
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// Mutation
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//
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public:
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virtual void moveBy (int dx, int dy);
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virtual void flip (bool horiz, bool vert);
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//
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// Rendering
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//
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public:
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virtual void paintBorder (QImage *destPixmap, const QRect &docRect,
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bool selectionFinished) const;
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private:
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struct kpFreeFormImageSelectionPrivate * const d;
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};
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#endif // kpFreeFormImageSelection_H
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