KDE 3.5 API Reference kviewshell
simplePageSize.h
Go to the documentation of this file.00001 // -*- C++ -*- 00002 // 00003 // simplePageSize.h 00004 // 00005 // Part of KVIEWSHELL - A framework for multipage text/gfx viewers 00006 // 00007 // (C) 2002-2004 Stefan Kebekus 00008 // Distributed under the GPL 00009 00010 00011 #ifndef SIMPLEPAGESIZE_H 00012 #define SIMPLEPAGESIZE_H 00013 00014 #include "length.h" 00015 00016 #include <qsize.h> 00017 00018 class QString; 00019 class QStringList; 00020 00021 00035 class SimplePageSize 00036 { 00037 public: 00039 SimplePageSize() { pageWidth.setLength_in_mm(0.0); pageHeight.setLength_in_mm(0.0); } 00040 00049 SimplePageSize(const Length& width, const Length& height) { pageWidth = width; pageHeight = height; } 00050 00059 virtual void setPageSize(const Length& width, const Length& height) { pageWidth = width; pageHeight = height; } 00060 00062 Length width() const { return pageWidth; } 00063 00065 Length height() const { return pageHeight; } 00066 00071 double aspectRatio() const { return isValid() ? (pageWidth/pageHeight) : 1.0; } 00072 00079 QSize sizeInPixel(double resolution) const {return QSize( (int)(resolution*pageWidth.getLength_in_inch() + 0.5), 00080 (int)(resolution*pageHeight.getLength_in_inch() + 0.5)); } 00081 00096 double zoomForHeight(Q_UINT32 height) const; 00097 00112 double zoomForWidth(Q_UINT32 width) const; 00113 00122 double zoomToFitInto(const SimplePageSize &target) const; 00123 00128 bool isValid() const { return ( (pageWidth.getLength_in_mm() > 1.0) && (pageHeight.getLength_in_mm() > 1.0) ); } 00129 00134 bool isSmall() const { return (pageWidth.getLength_in_mm()*pageHeight.getLength_in_mm() < 1.0); } 00135 00143 bool isNearlyEqual(const SimplePageSize &size) const {return (pageWidth.isNearlyEqual(size.pageWidth) && pageHeight.isNearlyEqual(size.pageHeight)); } 00144 00149 bool isPortrait() const { return (pageHeight >= pageWidth);} 00150 00156 SimplePageSize rotate90() const { return SimplePageSize(pageHeight, pageWidth);} 00157 00158 protected: 00159 Length pageWidth; 00160 Length pageHeight; 00161 }; 00162 00163 00164 #endif
