music-field/include/graphs.hpp

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#ifndef graphs_h
#define graphs_h
#include <type.hpp>
using std::string;
using std::vector;
using std::list;
using std::pair;
using std::map;
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);
int create_fields(int hw);
/*********************************************************************
*
*
*
*********************************************************************/
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/************************************************
***/
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class Color{
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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}
Color(RawColor color){
red = color[0]/255;
blue = color[1]/255;
green = color[2]/255;
}
Color(const Color &color){
red = color.red;
blue = color.blue;
green = color.green;
}
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/**
@param color RawColor颜色数据
*/
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void setColor(RawColor color){
red = color[0]/255;
green = color[1]/255;
blue = color[2]/255;
}
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/**
@param color Color颜色数据
*/
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void setColor(Color color){
red = color.red;
blue = color.blue;
green = color.green;
}
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// 将颜色按照相关比例变亮
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void brighter(void){
red = sqrt(red);
blue = sqrt(blue);
green = sqrt(green);
}
};
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/************************************************
***/
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class Shape{
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}){
}
/**
glut函数库中的函数进行绘图前的初始化操作
*/
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void flesh(void){
if(point_size != 1.0f)
glPointSize(point_size);
else if(line_size != 1.0f)
glLineWidth(line_size);
glColor3f(color.red, color.blue, color.green);
}
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/**
@param color RawColor颜色数据
*/
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void setColor(RawColor color){
this->color.setColor(color);
}
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/**
@param color Color颜色数据
*/
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void setColor(Color color){
this->color.setColor(color);
}
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/**
@param pos 线
*/
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void setRetangle(const pair<Point3,Point3> pos){
double fx = pos.first[0],fy = pos.first[1];
double sx = pos.second[0], sy = pos.second[1];
setPolygon({{fx,fy,0},{sx,fy,0},{sx,sy,0},{fx,sy,0}});
}
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/**
@param pos
*/
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void setPolygon(const vector<Point3> pos){
type = GL_POLYGON;
for(auto i = pos.begin(); i != pos.end(); i++){
points.push_back(*i);
}
}
};
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/************************************************
***/
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class View2D {
public:
Point pos;
vector<Shape> shapes;
};
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/************************************************
***/
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class Bar:public View2D {
public:
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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class Window {
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){
glutInit(&argc, argv);
}
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/**
@param Mode GLUT函数库相关说明即可
*/
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void playMode(int Mode){
glutInitDisplayMode(Mode);
}
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/**
@param sizexy Size数据
*/
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void size(Size sizexy){
glutInitWindowSize(static_cast<int>(sizexy.first), static_cast<int>(sizexy.second));
}
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/**
@param positionxy Point数据
*/
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void position(Point positionxy){
glutPositionWindow(positionxy.first, positionxy.second);
}
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/**
@param name
@param func
*/
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void create(string name = "No Name",void (*func)() = Window::displayEngine){
glutCreateWindow(name.data());
glutDisplayFunc(func);
glutMouseFunc(mouseListener);
glutTimerFunc(DRAW_TIMER, draw_fields, 1);
glutTimerFunc(FRESH_TIMER, rendEngine, 1);
}
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/**
@param color Color数据
*/
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void setColor(Color color){
glClearColor(color.red, color.blue, color.green, 1.0f);
}
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/**
*/
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void show(void){
glutMainLoop();
}
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/**
@param shape
*/
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static void rendShape(Shape *shape){
if(shape->point_size != 1.0f)
glPointSize(shape->point_size);
else if(shape->line_size != 1.0f)
glLineWidth(shape->line_size);
glColor3f(shape->color.red, shape->color.blue, shape->color.green);
glBegin(shape->type);
for(auto k = shape->points.begin(); k != shape->points.end();k++){
glVertex3f((*k)[0],(*k)[1],(*k)[2]);
}
glEnd();
}
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/**
*/
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static void displayEngine(void){
glClear(GL_COLOR_BUFFER_BIT);
for(auto i = shapes.begin(); i != shapes.end(); i++)
rendShape(*i);
//for(auto i = menus.begin(); i != menus.end(); i++)
//rendShape((*i).second);
glutSwapBuffers();
}
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/**
*/
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static void mouseListener(int button,int state,int x,int y){
}
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/**
@param value
*/
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static void rendEngine(int value){
unsigned long ms = fresh_screen(0);
unsigned int now_fresh = (unsigned int)(FRESH_TIMER - ms);
if(now_fresh < 0 || now_fresh > FRESH_TIMER) now_fresh = 0;
glutTimerFunc(now_fresh, rendEngine, 1);
}
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/**
*/
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void draw_triangle(vector<Point3> pos, RawColor color={255, 255, 255}){
Shape *p_shape = new Shape;
p_shape->type = GL_TRIANGLES;
p_shape->setColor(color);
for(auto i = pos.begin(); i != pos.end(); i++){
p_shape->points.push_back(*i);
}
draw_shape(p_shape);
}
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/**
*/
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void draw_point(Point3 pos, GLfloat size = 1.0f, RawColor color={255, 255, 255}){
Shape *p_shape = new Shape;
p_shape->type = GL_POINTS;
p_shape->point_size = size;
p_shape->setColor(color);
p_shape->points.push_back(pos);
draw_shape(p_shape);
}
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/**
*/
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void draw_polygon(vector<Point3> pos, RawColor color={255,255,255}){
Shape *p_shape = new Shape;
p_shape->type = GL_POLYGON;
p_shape->setColor(color);
p_shape->setPolygon(pos);
draw_shape(p_shape);
}
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/**
线
*/
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void draw_line(pair<Point3,Point3> pos, GLfloat size = 1.0f, RawColor color={255,255,255}){
Shape *p_shape = new Shape;
p_shape->type = GL_LINES;
p_shape->line_size = size;
p_shape->setColor(color);
p_shape->points.push_back(pos.first);
p_shape->points.push_back(pos.second);
draw_shape(p_shape);
}
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/**
*/
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void draw_retangle(pair<Point3,Point3> pos, RawColor color={255,255,255}){
double fx = pos.first[0],fy = pos.first[1];
double sx = pos.second[0], sy = pos.second[1];
draw_polygon({{fx,fy},{sx,fy},{sx,sy},{fx,sy}},color);
}
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/**
@param shape
*/
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void draw_shape(Shape *shape){
shapes.insert(shapes.end(),shape);
}
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/**
@param name
@param view
*/
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void add_menu(string name, View2D *view){
menus.insert({name,view});
}
};
#endif /* graphs_h */