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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 #define DEBUG_KP_TOOL_POLYGON 0 0030 0031 0032 #include "kpToolPolygonalCommand.h" 0033 0034 #include "document/kpDocument.h" 0035 #include "kpDefs.h" 0036 #include "imagelib/kpImage.h" 0037 0038 0039 struct kpToolPolygonalCommandPrivate 0040 { 0041 kpToolPolygonalBase::DrawShapeFunc drawShapeFunc{}; 0042 0043 QPolygon points; 0044 QRect boundingRect; 0045 0046 kpColor fcolor; 0047 int penWidth{}; 0048 kpColor bcolor; 0049 0050 kpImage oldImage; 0051 }; 0052 0053 kpToolPolygonalCommand::kpToolPolygonalCommand (const QString &name, 0054 kpToolPolygonalBase::DrawShapeFunc drawShapeFunc, 0055 const QPolygon &points, 0056 const QRect &boundingRect, 0057 const kpColor &fcolor, int penWidth, 0058 const kpColor &bcolor, 0059 kpCommandEnvironment *environ) 0060 0061 : kpNamedCommand (name, environ), 0062 d (new kpToolPolygonalCommandPrivate ()) 0063 { 0064 d->drawShapeFunc = drawShapeFunc; 0065 0066 d->points = points; 0067 d->boundingRect = boundingRect; 0068 0069 d->fcolor = fcolor; 0070 d->penWidth = penWidth; 0071 d->bcolor = bcolor; 0072 } 0073 0074 kpToolPolygonalCommand::~kpToolPolygonalCommand () 0075 { 0076 delete d; 0077 } 0078 0079 0080 // public virtual [base kpCommand] 0081 kpCommandSize::SizeType kpToolPolygonalCommand::size () const 0082 { 0083 return PolygonSize (d->points) + 0084 ImageSize (d->oldImage); 0085 } 0086 0087 // public virtual [base kpCommand] 0088 void kpToolPolygonalCommand::execute () 0089 { 0090 kpDocument *doc = document (); 0091 Q_ASSERT (doc); 0092 0093 // Store Undo info. 0094 Q_ASSERT (d->oldImage.isNull ()); 0095 d->oldImage = doc->getImageAt (d->boundingRect); 0096 0097 // Invoke shape drawing function passed in ctor. 0098 kpImage image = d->oldImage; 0099 0100 QPolygon pointsTranslated = d->points; 0101 pointsTranslated.translate (-d->boundingRect.x (), -d->boundingRect.y ()); 0102 0103 (*d->drawShapeFunc) (&image, 0104 pointsTranslated, 0105 d->fcolor, d->penWidth, 0106 d->bcolor, 0107 true/*final shape*/); 0108 0109 doc->setImageAt (image, d->boundingRect.topLeft ()); 0110 } 0111 0112 // public virtual [base kpCommand] 0113 void kpToolPolygonalCommand::unexecute () 0114 { 0115 kpDocument *doc = document (); 0116 Q_ASSERT (doc); 0117 0118 Q_ASSERT (!d->oldImage.isNull ()); 0119 doc->setImageAt (d->oldImage, d->boundingRect.topLeft ()); 0120 0121 d->oldImage = kpImage (); 0122 } 0123