1 2 /* 3 Copyright (c) 2003-2007 Clarence Dang <dang@kde.org> 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions 8 are met: 9 10 1. Redistributions of source code must retain the above copyright 11 notice, this list of conditions and the following disclaimer. 12 2. Redistributions in binary form must reproduce the above copyright 13 notice, this list of conditions and the following disclaimer in the 14 documentation and/or other materials provided with the distribution. 15 16 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 29 #ifndef kpFreeFormImageSelection_H 30 #define kpFreeFormImageSelection_H 31 32 33 #include "layers/selections/image/kpAbstractImageSelection.h" 34 35 36 class kpFreeFormImageSelection : public kpAbstractImageSelection 37 { 38 Q_OBJECT 39 40 public: 41 kpFreeFormImageSelection (const kpImageSelectionTransparency &transparency = 42 kpImageSelectionTransparency ()); 43 44 kpFreeFormImageSelection (const QPolygon &points, 45 const kpImage &baseImage = kpImage (), 46 const kpImageSelectionTransparency &transparency = 47 kpImageSelectionTransparency ()); 48 49 kpFreeFormImageSelection (const QPolygon &points, 50 const kpImageSelectionTransparency &transparency = 51 kpImageSelectionTransparency ()); 52 53 kpFreeFormImageSelection (const kpFreeFormImageSelection &rhs); 54 55 kpFreeFormImageSelection &operator= (const kpFreeFormImageSelection &rhs); 56 57 kpFreeFormImageSelection *clone () const override; 58 59 ~kpFreeFormImageSelection () override; 60 61 62 // 63 // Marshalling 64 // 65 66 public: 67 static const int SerialID = 2; 68 int serialID () const override; 69 70 bool readFromStream (QDataStream &stream) override; 71 72 void writeToStream (QDataStream &stream) const override; 73 74 75 // 76 // General Queries 77 // 78 79 public: 80 kpCommandSize::SizeType size () const override; 81 82 bool isRectangular () const override; 83 84 // (as passed to the constructor) 85 QPolygon originalPoints () const; 86 87 88 // 89 // Cardinally Adjacent Points 90 // 91 92 protected: 93 void recalculateCardinallyAdjacentPoints (); 94 95 public: 96 // Returns the originalPoints() interpolated to be cardinally adjacent. 97 QPolygon cardinallyAdjacentPoints () const; 98 99 // Returns cardinallyAdjacentPoints() but with extra points interpolated 100 // from the last point to the first point (the original points are 101 // thought of as a polygon where the first and last points are connected, 102 // rather than as a string of points). 103 // 104 // As used by the shape mask methods. 105 QPolygon cardinallyAdjacentPointsLoop () const; 106 107 108 // 109 // Position & Dimensions 110 // 111 112 public: 113 // Implements kpAbstractSelection interface - same as 114 // cardinallyAdjacentPointsLoop (). 115 // This implementation is fast. 116 QPolygon calculatePoints () const override; 117 118 119 // 120 // Shape Mask 121 // 122 123 public: 124 QRegion shapeRegion () const override; 125 126 127 // 128 // Point Testing 129 // 130 131 public: 132 bool contains (const QPoint &point) const override; 133 134 135 // 136 // Mutation 137 // 138 139 public: 140 void moveBy (int dx, int dy) override; 141 142 void flip (bool horiz, bool vert) override; 143 144 145 // 146 // Rendering 147 // 148 149 public: 150 void paintBorder (QImage *destPixmap, const QRect &docRect, 151 bool selectionFinished) const override; 152 153 154 private: 155 struct kpFreeFormImageSelectionPrivate * const d; 156 }; 157 158 159 #endif // kpFreeFormImageSelection_H 160