29fa1a5dd6
This section contains the fft part which is used to transform sound signal into color more accurately but due to time and knowledge constraint is sadly unused.
371 lines
8.9 KiB
C++
371 lines
8.9 KiB
C++
#ifndef graphs_h
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#define graphs_h
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#include <type.hpp>
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//计算函数执行时间间隔
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#define DRAW_TIMER 1
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//绘图函数执行时间间隔
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#define FRESH_TIMER 20
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typedef std::pair<double, double> Size;
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typedef std::pair<double, double> Point;
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typedef std::vector<double> Point3;
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typedef std::vector<double> RawColor;
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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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//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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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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