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108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
#ifndef _PlotLib_PlotSymbol_h_
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#define _PlotLib_PlotSymbol_h_
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#include <Painter/Painter.h>
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using namespace Upp;
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class PlotSymbol{
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private:
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typedef PlotSymbol CLASSNAME;
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typedef PlotSymbol* (*CreateFunc)();
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template<class T>
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static PlotSymbol* __Create() {return (PlotSymbol*)new T;}
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static VectorMap<String,CreateFunc>& classMap() {static VectorMap<String,CreateFunc> cMap; return cMap;}
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static VectorMap<String,String>& typeMap() {static VectorMap<String,String> tMap; return tMap;}
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public:
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template<class T>
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static void Register(const String& name){
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classMap().FindAdd(name, __Create<T>);
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typeMap().FindAdd(typeid(T).name(),name);
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}
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static void Unregister(const String& name){
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int i=TypeIndex(name);
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ASSERT(i>=0);
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classMap().Remove(i);
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typeMap().Remove(i);
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}
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static String TypeName(int i) {return typeMap()[i];}
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static int TypeIndex(const String& name) {return max(classMap().Find(name),0);}
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static int GetCount() {return classMap().GetCount();}
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static PlotSymbol* Create(int i) {return classMap()[i]();}
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static Vector<String> GetTypes() {return VectorMap<String,String>(typeMap(),1).GetValues();}
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int GetType()const {return typeMap().Find(typeid(*this).name());}
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PlotSymbol* Copy()const;
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protected:
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Callback1<Painter&> paint;
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void DoPaint(Painter& sw)const;
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public:
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PlotSymbol();
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PlotSymbol(Sizef size,RGBA color,RGBA frame,double thickness);
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void Paint(Painter& sw,Pointf pos)const;
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unsigned GetHashValue()const;
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String ToString()const;
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virtual void PaintOp(Painter& sw)const{}
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PlotSymbol& SetSize(Sizef size) {s=size; return *this;}
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PlotSymbol& SetSize(double cx,double cy) {s=Sizef(cx,cy); return *this;}
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PlotSymbol& SetColor(RGBA color) {c=color; return *this;}
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PlotSymbol& SetFrameColor(RGBA color) {f=color; return *this;}
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PlotSymbol& SetThickness(double thickness){t=thickness; return *this;}
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Sizef GetSize()const {return s;}
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RGBA GetColor()const {return c;}
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RGBA GetFrameColor()const {return f;}
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double GetThickness()const {return t;}
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protected:
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Sizef s;
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RGBA c,f;
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double t;
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private:
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mutable unsigned hash;
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mutable Image img;
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void Refresh()const;
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};
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template <class T>
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class WithPlotSymbol:public PlotSymbol{
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public:
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WithPlotSymbol(){paint=callback((T*)(this),&T::PaintOp);}
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};
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// Basic PlotSymbols
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struct Cross:public WithPlotSymbol<Cross>{
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virtual void PaintOp(Painter& sw)const{
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sw.Move(0,0.5*s.cy).Line(s.cx,0,true).Stroke(t,c);
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sw.Move(0.5*s.cx,0).Line(0,s.cy,true).Stroke(t,c);
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}
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};
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struct XCross:public WithPlotSymbol<XCross>{
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virtual void PaintOp(Painter& sw)const{
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sw.Move(0, 0).Line(s.cx, s.cy,true).Stroke(t,c);
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sw.Move(0,s.cy).Line(s.cx,-s.cy,true).Stroke(t,c);
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}
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};
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struct Circle:public WithPlotSymbol<Circle>{
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virtual void PaintOp(Painter& sw)const{
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sw.Ellipse(0.5*s.cx,0.5*s.cy,0.5*(s.cx-t),0.5*(s.cy-t));
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sw.Fill(c).Stroke(t,f);
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}
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};
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struct Square:public WithPlotSymbol<Square>{
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virtual void PaintOp(Painter& sw)const{
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sw.Rectangle(t*0.5,t*0.5,s.cx-t,s.cy-t);
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sw.Fill(c).Stroke(t,f);
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}
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};
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struct Star:public WithPlotSymbol<Star>{
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virtual void PaintOp(Painter& sw)const{
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sw.Move(0,0.5*s.cy).Line(s.cx,0,true).Stroke(t,c);
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sw.Move(0.5*s.cx,0).Line(0,s.cy,true).Stroke(t,c);
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sw.Move(0, 0).Line(s.cx, s.cy,true).Stroke(t,c);
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sw.Move(0,s.cy).Line(s.cx,-s.cy,true).Stroke(t,c);
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}
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};
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#endif
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