基于MCF setPixel函数的画板程序（一）架构设计

流程设计


类设计
DrawElement类

#pragma once
#include <vector>
using namespace std;
class PaintElement 
{
private:std::vector<CPoint> paintLine;COLORREF color;int weight;int mod;
public :void AddPoint(CPoint src);void Set(COLORREF in_color,int in_weight);void DrawPaint(CDC *pDC);
};
class PointElement
{
private:CPoint postion;COLORREF color;int weight;int mod;//线型
public:void CreatPoint(CPoint in_Point, COLORREF in_Color, int in_Weight);void CreatPoint(CPoint in_Point, COLORREF in_Color, int in_Weight, int in_Mod);void DrawPoint(CDC *pDC);
};
class LineElement 
{
private:CPoint startPoint;CPoint endPoint;COLORREF color;int weight;int mod;
public ://Set optionvoid CreatLine(CPoint sPoint,CPoint ePoint,COLORREF in_Color,int in_Weight);//Draw Optionvoid LineDraw(CDC *pDC);
};
class RectElement 
{
private:CPoint leftUp;CPoint rightDown;COLORREF color;int weight;int mod;
public:void CreatRect(CPoint sPoint, CPoint ePoint, COLORREF in_Color, int in_Weight);void RectDraw(CDC *pDC);
};
class DrawManage 
{
private:std::vector<PointElement> pointSet;std::vector<LineElement> lineSet; std::vector<RectElement> rectSet;std::vector<PaintElement>paintSet;//Set Option
public :DrawManage();~DrawManage();//Data Optionvoid SetClear();void PointSetPushBack(PointElement src);void LineSetPushBack(LineElement src);void RectSetPushBack(RectElement src);void PaintSetPushBack(PaintElement src);//Draw Optionvoid SetDraw(CDC *pDC);void PointSetDraw(CDC *pDC);void LineSetDraw(CDC *pDC);void RectSetDraw(CDC *pDC);void PaintSetDraw(CDC *pDC);
};

SeletedMode类

#pragma once
enum UserSelectedMod
{Draw=0,Pick,Erase,Break
};
enum DrawMod 
{Point=0,Line,Rect,Circle,Besiel,Paint
};
enum PickMod  {};
enum EraseMod {};
enum BreakMod {};
class SelectMod
{public:SelectMod();~SelectMod();public:UserSelectedMod userSelectMod;DrawMod drawMod;//others
}; 

其他界面类省略

void CSketchpadView::OnDraw(CDC* pDC)
{CSketchpadDoc* pDoc = GetDocument();ASSERT_VALID(pDoc);if (!pDoc)return;//重画所有图集drawManage.SetDraw(pDC);
}

代码链接
https://github.com/LLDCoder/Sketchpad