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0001 0002 /* 0003 Copyright (c) 2003-2007 Clarence Dang <dang@kde.org> 0004 All rights reserved. 0005 0006 Redistribution and use in source and binary forms, with or without 0007 modification, are permitted provided that the following conditions 0008 are met: 0009 0010 1. Redistributions of source code must retain the above copyright 0011 notice, this list of conditions and the following disclaimer. 0012 2. Redistributions in binary form must reproduce the above copyright 0013 notice, this list of conditions and the following disclaimer in the 0014 documentation and/or other materials provided with the distribution. 0015 0016 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 0017 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 0018 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 0019 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 0020 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 0021 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 0022 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 0023 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 0024 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 0025 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 0026 */ 0027 0028 0029 #ifndef kpAbstractImageSelectionTool_H 0030 #define kpAbstractImageSelectionTool_H 0031 0032 0033 #include "tools/selection/kpAbstractSelectionTool.h" 0034 0035 0036 class kpImageSelectionTransparency; 0037 0038 0039 // The only difference between the various subclasses of us is the kind of 0040 // selection that they create e.g. elliptical vs rectangular. 0041 // 0042 // For every other operation, they act identically so, for instance, it is 0043 // possible to move an elliptical selection while using the rectangular 0044 // selection tool (this situation can arise when you paste an elliptical 0045 // selection while using the rectangular selection tool; a tool change 0046 // does not occur out of convenience to the user - see 0047 // kpDocumentEnvironment::switchToCompatibleTool()). 0048 class kpAbstractImageSelectionTool : public kpAbstractSelectionTool 0049 { 0050 Q_OBJECT 0051 0052 public: 0053 kpAbstractImageSelectionTool (const QString &text, const QString &description, 0054 int key, 0055 kpToolSelectionEnvironment *environ, QObject *parent, 0056 const QString &name); 0057 0058 0059 // 0060 // Drawing 0061 // 0062 0063 protected: 0064 kpAbstractSelectionContentCommand *newGiveContentCommand () const override; 0065 0066 QString nameOfCreateCommand () const override; 0067 0068 0069 // 0070 // Create, Move, Resize/Scale 0071 // 0072 0073 protected: 0074 QString haventBegunDrawUserMessageCreate () const override; 0075 QString haventBegunDrawUserMessageMove () const override; 0076 QString haventBegunDrawUserMessageResizeScale () const override; 0077 0078 0079 // 0080 // User Changing Selection Transparency 0081 // 0082 0083 protected: 0084 bool shouldChangeImageSelectionTransparency () const; 0085 // You must derive <oldTrans>, the old selection transparency, from the 0086 // one obtained from the user's current settings, as given by the 0087 // kpToolSelectionEnvironment. 0088 // 0089 // You must _not_ simply get the old selection transparency just by 0090 // querying the selection i.e. do _not_ pass in 0091 // "document()->imageSelection().transparency()". The reason is that 0092 // transparency().transparentColor() might not be defined in Opaque 0093 // Mode. 0094 void changeImageSelectionTransparency ( 0095 const QString &name, 0096 const kpImageSelectionTransparency &newTrans, 0097 const kpImageSelectionTransparency &oldTrans); 0098 0099 protected Q_SLOTS: 0100 void slotIsOpaqueChanged (bool isOpaque) override; 0101 void slotBackgroundColorChanged (const kpColor &color) override; 0102 void slotColorSimilarityChanged (double similarity, int) override; 0103 }; 0104 0105 0106 #endif // kpAbstractImageSelectionTool_H