373 lines
9.0 KiB
C++
373 lines
9.0 KiB
C++
#ifndef graphs_h
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#define graphs_h
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#include <type.hpp>
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using std::string;
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using std::vector;
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using std::list;
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using std::pair;
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using std::map;
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class Field;
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/*********************************************************************
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*
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*函数声明
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*
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*********************************************************************/
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//绘图函数声明
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unsigned long fresh_screen(int signal);
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//计算函数声明
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void draw_fields(int signal);
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int create_fields(int hw);
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/*********************************************************************
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*
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*图形操作类声明
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*
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*********************************************************************/
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/************************************************
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颜色的抽象
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***/
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class Color{
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public:
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// 颜色的RGB值，范围从0到1
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double red, green, blue;
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Color():red(1.0),blue(1.0),green(1.0){
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}
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Color(RawColor color){
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red = color[0]/255;
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blue = color[1]/255;
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green = color[2]/255;
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}
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Color(const Color &color){
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red = color.red;
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blue = color.blue;
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green = color.green;
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}
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/**
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设置颜色对象的颜色
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@param color RawColor颜色数据
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*/
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void setColor(RawColor color){
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red = color[0]/255;
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green = color[1]/255;
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blue = color[2]/255;
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}
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/**
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设置颜色对象的颜色
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@param color Color颜色数据
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*/
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void setColor(Color color){
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red = color.red;
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blue = color.blue;
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green = color.green;
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}
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// 将颜色按照相关比例变亮
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void brighter(void){
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red = sqrt(red);
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blue = sqrt(blue);
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green = sqrt(green);
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}
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};
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/************************************************
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图形的抽象
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***/
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class Shape{
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public:
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// 图形形状
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GLenum type;
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// 点大小和画笔大小
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GLfloat point_size, line_size;
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// 图形顶点的坐标
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vector<Point3> points;
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// 图形颜色
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Color color;
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Shape():type(GL_POINTS),point_size(2.0f),line_size(2.0f),color({255,255,255}){
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}
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/**
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根据储存的信息调用glut函数库中的函数进行绘图前的初始化操作
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*/
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void flesh(void){
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if(point_size != 1.0f)
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glPointSize(point_size);
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else if(line_size != 1.0f)
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glLineWidth(line_size);
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glColor3f(color.red, color.blue, color.green);
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}
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/**
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设置图形对象的颜色
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@param color RawColor颜色数据
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*/
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void setColor(RawColor color){
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this->color.setColor(color);
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}
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/**
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设置图形对象的颜色
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@param color Color颜色数据
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*/
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void setColor(Color color){
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this->color.setColor(color);
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}
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/**
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将图形对象的形状设置为矩形
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@param pos 对角线两端点坐标
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*/
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void setRetangle(const pair<Point3,Point3> pos){
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double fx = pos.first[0],fy = pos.first[1];
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double sx = pos.second[0], sy = pos.second[1];
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setPolygon({{fx,fy,0},{sx,fy,0},{sx,sy,0},{fx,sy,0}});
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}
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/**
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将图形对象的形状设置为多边形
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@param pos 多边形每个顶点的坐标
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*/
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void setPolygon(const vector<Point3> pos){
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type = GL_POLYGON;
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for(auto i = pos.begin(); i != pos.end(); i++){
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points.push_back(*i);
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}
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}
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};
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/************************************************
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控件的抽象
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***/
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class View2D {
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public:
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Point pos;
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vector<Shape> shapes;
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};
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/************************************************
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进度条控件的抽象
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***/
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class Bar:public View2D {
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public:
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Bar(Point, GLint width){
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//Shape *p_shape = new Shape();
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}
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};
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/************************************************
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窗体的抽象
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***/
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class Window {
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public:
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// 储存指向窗体中要包含的图形对象的指针
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static list<Shape *> shapes;
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// 储存指向窗体中要包含的控件对象的指针
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static map<string,View2D *> menus;
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Window(int argc, char **argv){
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glutInit(&argc, argv);
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}
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/**
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设置显示模式
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@param Mode 参照GLUT函数库相关说明即可
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*/
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void playMode(int Mode){
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glutInitDisplayMode(Mode);
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}
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/**
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设置窗体大小
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@param sizexy 输入Size数据
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*/
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void size(Size sizexy){
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glutInitWindowSize(static_cast<int>(sizexy.first), static_cast<int>(sizexy.second));
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}
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/**
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设置窗体的初始位置
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@param positionxy 输入Point数据
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*/
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void position(Point positionxy){
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glutPositionWindow(positionxy.first, positionxy.second);
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}
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/**
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创建窗体
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@param name 窗体的标题名字
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@param func 指向自定义绘制函数的函数指针
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*/
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void create(string name = "No Name",void (*func)() = Window::displayEngine){
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glutCreateWindow(name.data());
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glutDisplayFunc(func);
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glutMouseFunc(mouseListener);
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glutTimerFunc(DRAW_TIMER, draw_fields, 1);
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glutTimerFunc(FRESH_TIMER, rendEngine, 1);
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}
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/**
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设置窗体的初始颜色
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@param color 输入Color数据
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*/
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void setColor(Color color){
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glClearColor(color.red, color.blue, color.green, 1.0f);
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}
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/**
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显示窗体
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*/
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void show(void){
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glutMainLoop();
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}
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/**
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进行图形对象的实际绘制操作
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@param shape 指向目标图形对象的指针
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*/
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static void rendShape(Shape *shape){
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if(shape->point_size != 1.0f)
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glPointSize(shape->point_size);
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else if(shape->line_size != 1.0f)
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glLineWidth(shape->line_size);
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glColor3f(shape->color.red, shape->color.blue, shape->color.green);
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glBegin(shape->type);
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for(auto k = shape->points.begin(); k != shape->points.end();k++){
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glVertex3f((*k)[0],(*k)[1],(*k)[2]);
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}
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glEnd();
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}
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/**
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默认的绘制函数
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*/
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static void displayEngine(void){
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glClear(GL_COLOR_BUFFER_BIT);
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for(auto i = shapes.begin(); i != shapes.end(); i++)
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rendShape(*i);
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//for(auto i = menus.begin(); i != menus.end(); i++)
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//rendShape((*i).second);
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glutSwapBuffers();
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}
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/**
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默认的鼠标相关事件的监听函数
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*/
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static void mouseListener(int button,int state,int x,int y){
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}
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/**
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窗口刷新注册函数
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@param value 无用值
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*/
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static void rendEngine(int value){
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unsigned long ms = fresh_screen(0);
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unsigned int now_fresh = (unsigned int)(FRESH_TIMER - ms);
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if(now_fresh < 0 || now_fresh > FRESH_TIMER) now_fresh = 0;
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glutTimerFunc(now_fresh, rendEngine, 1);
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}
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/**
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在窗体中直接绘制三角形并可以指定其填充颜色
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*/
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void draw_triangle(vector<Point3> pos, RawColor color={255, 255, 255}){
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Shape *p_shape = new Shape;
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p_shape->type = GL_TRIANGLES;
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p_shape->setColor(color);
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for(auto i = pos.begin(); i != pos.end(); i++){
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p_shape->points.push_back(*i);
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}
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draw_shape(p_shape);
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}
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/**
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直接在窗体中绘制点并可以指定其填充颜色
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*/
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void draw_point(Point3 pos, GLfloat size = 1.0f, RawColor color={255, 255, 255}){
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Shape *p_shape = new Shape;
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p_shape->type = GL_POINTS;
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p_shape->point_size = size;
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p_shape->setColor(color);
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p_shape->points.push_back(pos);
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draw_shape(p_shape);
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}
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/**
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直接在窗体中绘制多边形并可以指定其填充颜色
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*/
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void draw_polygon(vector<Point3> pos, RawColor color={255,255,255}){
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Shape *p_shape = new Shape;
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p_shape->type = GL_POLYGON;
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p_shape->setColor(color);
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p_shape->setPolygon(pos);
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draw_shape(p_shape);
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}
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/**
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直接在窗体中绘制线并可以指定其填充颜色
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*/
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void draw_line(pair<Point3,Point3> pos, GLfloat size = 1.0f, RawColor color={255,255,255}){
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Shape *p_shape = new Shape;
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p_shape->type = GL_LINES;
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p_shape->line_size = size;
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p_shape->setColor(color);
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p_shape->points.push_back(pos.first);
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p_shape->points.push_back(pos.second);
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draw_shape(p_shape);
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}
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/**
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直接在窗体中绘制矩形并可以指定其填充颜色
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*/
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void draw_retangle(pair<Point3,Point3> pos, RawColor color={255,255,255}){
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double fx = pos.first[0],fy = pos.first[1];
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double sx = pos.second[0], sy = pos.second[1];
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draw_polygon({{fx,fy},{sx,fy},{sx,sy},{fx,sy}},color);
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}
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/**
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在窗体中添加图形对象
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@param shape 指向目标图形对象的指针
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*/
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void draw_shape(Shape *shape){
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shapes.insert(shapes.end(),shape);
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}
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/**
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在窗体中添加控件对象
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@param name 控件名
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@param view 指向目标控件对象的指针
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*/
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void add_menu(string name, View2D *view){
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menus.insert({name,view});
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}
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};
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#endif /* graphs_h */
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