00001 /*************************************************************************** 00002 ** 00003 ** This file is part of SciFigs. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created : 2008-02-18 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (LGIT, Grenoble, France) 00025 ** 00026 ***************************************************************************/ 00027 00028 #ifndef GRAPHCONTENTOPTIONS_H 00029 #define GRAPHCONTENTOPTIONS_H 00030 00031 #include <QtGui> 00032 #include "Scale.h" 00033 #include "SciFigsDLLExport.h" 00034 00035 namespace SciFigs { 00036 00037 class SCIFIGS_EXPORT GraphContentOptions : public QSharedData 00038 { 00039 TRANSLATIONS("GraphContentOptions") 00040 public: 00041 GraphContentOptions(); 00042 GraphContentOptions(const GraphContentOptions& o); 00043 ~GraphContentOptions(); 00044 00045 // X and Y scales 00046 Scale& scaleX() {return _scaleX;} 00047 Scale& scaleY() {return _scaleY;} 00048 const Scale& scaleX() const {return _scaleX;} 00049 const Scale& scaleY() const {return _scaleY;} 00050 // coordinates conversion for screen 00051 int xr2s(double x) const {return _scaleX.r2s(x);} 00052 int yr2s(double y) const {return _scaleY.r2s(y);} 00053 QPoint r2s(double x, double y) const {return QPoint(xr2s(x), yr2s(y));} 00054 QPoint r2s(const Point& p) const {return QPoint(xr2s(p.x()), yr2s(p.y()));} 00055 QPoint r2s(const Point2D& p) const {return QPoint(xr2s(p.x()), yr2s(p.y()));} 00056 // coordinates conversion for screen in floating point values 00057 double xr2sF(double x) const {return _scaleX.r2sF(x);} 00058 double yr2sF(double y) const {return _scaleY.r2sF(y);} 00059 QPointF r2sF(double x, double y) const {return QPointF(xr2sF(x), yr2sF(y));} 00060 QPointF r2sF(const Point& p) const {return QPointF(xr2sF(p.x()), yr2sF(p.y()));} 00061 QPointF r2sF(const Point2D& p) const {return QPointF(xr2sF(p.x()), yr2sF(p.y()));} 00062 /* 00063 Returns true if the segment must be drawn 00064 This tranformation function is used to avoid overflow in super zoomed graphics 00065 */ 00066 bool r2s(const Point2D& p1, const Point2D& p2, QPoint& ps1, QPoint& ps2) const; 00067 bool yr2s(const Point2D& p1, const Point2D& p2, QPoint& ps1, QPoint& ps2) const; 00068 inline bool r2s(const Point& p1, const Point& p2, QPoint& ps1, QPoint& ps2) const; 00069 /* I noticed that on some linux systems it is forbiden to draw a line 00070 outside the widget frame especially for negative X and Y greater than 00071 height(), this is why I'm forced to check this at the end of the 00072 routine before drawing 00073 */ 00074 inline void checkOrigin(QPoint& ps1, QPoint& ps2, int h) const; 00075 double xs2r(int x) const {return _scaleX.s2r(x);} 00076 double ys2r(int y) const {return _scaleY.s2r(y);} 00077 Point s2r(const QPoint& p) const {return Point(xs2r( p.x()), ys2r(p.y()) );} 00078 Point2D s2r2D(const QPoint& p) const {return Point2D(xs2r( p.x()), ys2r(p.y()) );} 00079 double xVisMin() const {return _scaleX.minimum();} 00080 double yVisMin() const {return _scaleY.minimum();} 00081 double xVisMax() const {return _scaleX.maximum();} 00082 double yVisMax() const {return _scaleY.maximum();} 00083 double ax() const {return _scaleX.a();} 00084 double ay() const {return _scaleY.a();} 00085 double bx() const {return _scaleX.b();} 00086 double by() const {return _scaleY.b();} 00087 00088 bool gridLines() const {return _gridLines;} 00089 void setGridLines(bool g) {_gridLines=g;} 00090 00091 const QColor& gridLineColor() const {return _gridLineColor;} 00092 void setGridLineColor(const QColor& c) {_gridLineColor=c;} 00093 00094 bool transparentMask() const {return _transparentMask;} 00095 void setTransparentMask(bool tm) {_transparentMask=tm;} 00096 00097 double gridLineWeight() const {return _gridLineWeight;} 00098 void setGridLineWeight(double lw) {_gridLineWeight=lw;} 00099 00100 double contourWeight() const {return _contourWeight;} 00101 void setContourWeight(double lw) {_contourWeight=lw;} 00102 00103 bool printBitmap() const {return _printBitmap;} 00104 void setPrintBitmap(bool p) {_printBitmap=p;} 00105 00106 void paintGridLines (QPainter& p, double dotpercm, int w, int h) const; 00107 void paintContour (QPainter& p, double dotpercm, int w, int h) const; 00108 00109 void swapAxes(); 00110 private: 00111 inline bool oneInside(const Point2D& p1, const Point2D& p2, QPoint& ps1, QPoint& ps2) const; 00112 inline bool bothOutside(const Point2D& p1, const Point2D& p2, QPoint& ps1, QPoint& ps2) const; 00113 00114 bool _gridLines; 00115 bool _transparentMask; 00116 QColor _gridLineColor; 00117 double _gridLineWeight; 00118 double _contourWeight; 00119 bool _printBitmap; 00120 00121 Scale _scaleX; 00122 Scale _scaleY; 00123 }; 00124 00125 inline bool GraphContentOptions::r2s(const Point& p1, const Point& p2, QPoint& ps1, QPoint& ps2) const 00126 { 00127 TRACE; 00128 Point2D p2D1=p1; 00129 Point2D p2D2=p2; 00130 return r2s(p2D1, p2D2, ps1, ps2); 00131 } 00132 00133 inline void GraphContentOptions::checkOrigin(QPoint& ps1, QPoint& ps2, int h) const 00134 { 00135 TRACE; 00136 if(ps1.x() < 0) ps1.setX(0); 00137 if(ps1.y() >= h) ps1.setY(h - 1); 00138 if(ps2.x() < 0) ps2.setX(0); 00139 if(ps2.y() >= h) ps2.setY(h - 1); 00140 } 00141 00142 } // namespace SciFigs 00143 00144 #endif // GRAPHCONTENTOPTIONS_H
