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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_POLYLINE 0 0030 0031 0032 #include "kpToolPolyline.h" 0033 #include "kpLogCategories.h" 0034 #include "environments/tools/kpToolEnvironment.h" 0035 #include "pixmapfx/kpPixmapFX.h" 0036 0037 #include <KLocalizedString> 0038 0039 #include <QPainter> 0040 #include <QPen> 0041 0042 //-------------------------------------------------------------------------------- 0043 0044 kpToolPolyline::kpToolPolyline (kpToolEnvironment *environ, QObject *parent) 0045 : kpToolPolygonalBase ( 0046 i18n ("Connected Lines"), 0047 i18n ("Draws connected lines"), 0048 &drawShape, 0049 Qt::Key_N, 0050 environ, parent, 0051 QStringLiteral("tool_polyline")) 0052 { 0053 } 0054 0055 //-------------------------------------------------------------------------------- 0056 0057 // private virtual [base kpToolPolygonalBase] 0058 QString kpToolPolyline::haventBegunShapeUserMessage () const 0059 { 0060 return i18n ("Drag to draw the first line."); 0061 } 0062 0063 //-------------------------------------------------------------------------------- 0064 // public static 0065 0066 void kpToolPolyline::drawShape(kpImage *image, 0067 const QPolygon &points, 0068 const kpColor &fcolor, int penWidth, 0069 const kpColor &bcolor, 0070 bool isFinal) 0071 { 0072 (void) bcolor; 0073 (void) isFinal; 0074 0075 QPainter painter(image); 0076 painter.setRenderHint(QPainter::Antialiasing, kpToolEnvironment::drawAntiAliased); 0077 0078 painter.setPen(QPen(fcolor.toQColor(), penWidth, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)); 0079 0080 if ( kpPixmapFX::Only1PixelInPointArray(points) ) { 0081 painter.drawPoint(points[0]); 0082 } 0083 else { 0084 painter.drawPolyline(points); 0085 } 0086 } 0087 0088 //-------------------------------------------------------------------------------- 0089 0090 // public virtual [base kpTool] 0091 void kpToolPolyline::endDraw (const QPoint &, const QRect &) 0092 { 0093 #if DEBUG_KP_TOOL_POLYLINE 0094 qCDebug(kpLogTools) << "kpToolPolyline::endDraw() points=" 0095 << points ()->toList (); 0096 #endif 0097 0098 // A click of the other mouse button (to finish shape, instead of adding 0099 // another control point) would have caused endShape() to have been 0100 // called in kpToolPolygonalBase::beginDraw(). The points list would now 0101 // be empty. We are being called by kpTool::mouseReleaseEvent(). 0102 if (points ()->count () == 0) { 0103 return; 0104 } 0105 0106 if (points ()->count () >= kpToolPolygonalBase::MaxPoints) 0107 { 0108 #if DEBUG_KP_TOOL_POLYLINE 0109 qCDebug(kpLogTools) << "\tending shape"; 0110 #endif 0111 endShape (); 0112 return; 0113 } 0114 0115 if (originatingMouseButton () == 0) 0116 { 0117 setUserMessage (i18n ("Left drag another line or right click to finish.")); 0118 } 0119 else 0120 { 0121 setUserMessage (i18n ("Right drag another line or left click to finish.")); 0122 } 0123 } 0124 0125 #include "moc_kpToolPolyline.cpp"