forked from openkylin/kolourpaint
107 lines
3.7 KiB
C
107 lines
3.7 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 kpAbstractImageSelectionTool_H
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#define kpAbstractImageSelectionTool_H
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#include "tools/selection/kpAbstractSelectionTool.h"
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class kpImageSelectionTransparency;
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// The only difference between the various subclasses of us is the kind of
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// selection that they create e.g. elliptical vs rectangular.
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//
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// For every other operation, they act identically so, for instance, it is
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// possible to move an elliptical selection while using the rectangular
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// selection tool (this situation can arise when you paste an elliptical
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// selection while using the rectangular selection tool; a tool change
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// does not occur out of convenience to the user - see
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// kpDocumentEnvironment::switchToCompatibleTool()).
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class kpAbstractImageSelectionTool : public kpAbstractSelectionTool
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{
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Q_OBJECT
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public:
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kpAbstractImageSelectionTool (const QString &text, const QString &description,
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int key,
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kpToolSelectionEnvironment *environ, QObject *parent,
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const QString &name);
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//
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// Drawing
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//
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protected:
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kpAbstractSelectionContentCommand *newGiveContentCommand () const override;
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QString nameOfCreateCommand () const override;
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//
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// Create, Move, Resize/Scale
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//
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protected:
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QString haventBegunDrawUserMessageCreate () const override;
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QString haventBegunDrawUserMessageMove () const override;
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QString haventBegunDrawUserMessageResizeScale () const override;
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//
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// User Changing Selection Transparency
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//
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protected:
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bool shouldChangeImageSelectionTransparency () const;
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// You must derive <oldTrans>, the old selection transparency, from the
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// one obtained from the user's current settings, as given by the
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// kpToolSelectionEnvironment.
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//
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// You must _not_ simply get the old selection transparency just by
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// querying the selection i.e. do _not_ pass in
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// "document()->imageSelection().transparency()". The reason is that
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// transparency().transparentColor() might not be defined in Opaque
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// Mode.
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void changeImageSelectionTransparency (
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const QString &name,
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const kpImageSelectionTransparency &newTrans,
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const kpImageSelectionTransparency &oldTrans);
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protected slots:
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void slotIsOpaqueChanged (bool isOpaque) override;
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void slotBackgroundColorChanged (const kpColor &color) override;
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void slotColorSimilarityChanged (double similarity, int) override;
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};
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#endif // kpAbstractImageSelectionTool_H
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