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glCartesianGraphic.cpp
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glCartesianGraphic.cpp
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/*
* File: glCartesianGraphic.cpp
* Author: jpcordovae
*
* Created on May 12, 2012, 2:17 AM
*/
#include "glCartesianGraphic.hpp"
glCartesianGraphic::~glCartesianGraphic()
{
}
void glCartesianGraphic::OnInit()
{
m_border = 0.1;
markers_x = 20;
markers_y = 20;
m_axis_x_min = 0.0f;
m_axis_x_max = 10000.0f;
m_axis_y_min = -1.0f,
m_axis_y_max = -1.0f;
SetTitlePosition(TITLE_UP); // default option
glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
glShadeModel(GL_SMOOTH);
//glEnable(GL_LINE_SMOOTH);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//glEnable(GL_BLEND);
//glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
// ********************************************
// Do your GLEW experiments here:
// if (GLEW_VERSION_1_2){}
// if (GLEW_ARB_shading_language_100) {}
// *******************************************
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
}
void drawString (const char *s)
{
for (size_t i = 0; i < strlen (s); i++)
glutBitmapCharacter (GLUT_BITMAP_HELVETICA_10, s[i]);
}
void glCartesianGraphic::OnRender()
{
static char cTmp[100]; // char buffer
glColor3f(1.0f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(0.0f, 0.0f, 0.0f);
glLoadIdentity();
// foot note
sprintf(cTmp,"(C)Juan Pablo Cordova Echeverria");
glRasterPos2f(-glutGet(GLUT_WINDOW_WIDTH),-glutGet(GLUT_WINDOW_HEIGHT));
drawString(cTmp);
// w and y mouse position
{
boost::mutex::scoped_lock l(m_mouse_mtx);
sprintf(cTmp,"mouse x: %f, y: %f",m_mouse_x,m_mouse_y);
}
glRasterPos2f(-glutGet(GLUT_WINDOW_WIDTH),-glutGet(GLUT_WINDOW_HEIGHT)+20);
drawString(cTmp);
//
DrawTitle();
DrawBox();
// axis subdivisions
DrawAxisSubdivision();
// central axes
DrawAxis();
////////////////////////
DrawDataPairs();
////////////////////////
static boost::posix_time::ptime now_timestamp = boost::posix_time::microsec_clock::universal_time();
static boost::posix_time::ptime last_timestamp;
last_timestamp = now_timestamp;
now_timestamp = boost::posix_time::microsec_clock::universal_time();
boost::posix_time::time_duration td = now_timestamp - last_timestamp;
sprintf(cTmp,"frame rate: %f",100000.0f/double(td.total_microseconds()+1));
glRasterPos2f(-glutGet(GLUT_WINDOW_WIDTH),-glutGet(GLUT_WINDOW_HEIGHT)+60);
drawString(cTmp);
glutSwapBuffers();
Repaint();
}
void glCartesianGraphic::OnResize(int w, int h)
{
//
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-w,w,
-h,h,
-1,1);
glViewport(0.0f,
0.0f,
w,
h);
glMatrixMode(GL_MODELVIEW);
}
bool glCartesianGraphic::AddLine(const std::string &_data_name)
{
//m_point_list_map.insert(std::pair<std::string,std::list<nv::vec2f> >(_data_name, std::list<point_ptr>()));
return false;
}
void glCartesianGraphic::DrawTitle(enum TITLE_POSITION _title_position, const std::string &_title)
{
// titles
glRasterPos2f(0.0f-strlen( _title.c_str())*10/2,glutGet(GLUT_WINDOW_HEIGHT)-10*3);
drawString(_title.c_str());
}
void glCartesianGraphic::DrawTitle()
{
DrawTitle(m_title_position,m_title);
}
void glCartesianGraphic::SetTitle(const std::string &_title)
{
m_title = _title;
}
void glCartesianGraphic::SetTitlePosition(enum TITLE_POSITION _title_position)
{
m_title_position = _title_position;
}
void glCartesianGraphic::DrawAxis(void)
{
glBegin(GL_LINES);
if(m_axis_position & AXIS_HORIZONTAL_CENTERED)
{
glVertex2f(0.0f, glutGet(GLUT_WINDOW_HEIGHT)*(1-m_border));
glVertex2f(0.0f,-glutGet(GLUT_WINDOW_HEIGHT)*(1-m_border));
}
if(m_axis_position & AXIS_VERTICAL_CENTERED)
{
glVertex2f( glutGet(GLUT_WINDOW_WIDTH)*(1-m_border),0.0f);
glVertex2f(-glutGet(GLUT_WINDOW_WIDTH)*(1-m_border),0.0f);
}
glEnd();
}
void glCartesianGraphic::SetAxisPosition(enum AXIS_POSITION _axis_position)
{
m_axis_position = _axis_position;
}
void glCartesianGraphic::SetAxisDataDeployment(enum AXIS_DATA_DEPLOYMENT _data_deployment)
{
m_axis_data_deployment = _data_deployment;
}
void glCartesianGraphic::SetDrawBox(bool _set_draw_box)
{
m_bDrawBox = _set_draw_box;
}
void glCartesianGraphic::DrawBox(void)
{
// axes world
if(!m_bDrawBox)
{
return;
}
glColor3f(0.25f,0.0f,0.0f);
glBegin(GL_LINE_LOOP);
glVertex2f(-glutGet(GLUT_WINDOW_WIDTH)*(1-m_border),-glutGet(GLUT_WINDOW_HEIGHT)*(1-m_border));
glVertex2f(-glutGet(GLUT_WINDOW_WIDTH)*(1-m_border),glutGet(GLUT_WINDOW_HEIGHT)*(1-m_border));
glVertex2f(glutGet(GLUT_WINDOW_WIDTH)*(1-m_border),glutGet(GLUT_WINDOW_HEIGHT)*(1-m_border));
glVertex2f(glutGet(GLUT_WINDOW_WIDTH)*(1-m_border),-glutGet(GLUT_WINDOW_HEIGHT)*(1-m_border));
glEnd();
}
void glCartesianGraphic::DrawAxisSubdivision(void)
{
glColor3f(0.0f,0.0f,0.0f);
glBegin(GL_LINES);
for(int i=0;i<markers_x*2;i++)
{
float dx = glutGet(GLUT_WINDOW_WIDTH)*(1-m_border)/markers_x;
float x = -glutGet(GLUT_WINDOW_WIDTH)*(1-m_border) + i*dx;
glVertex2f(x, glutGet(GLUT_WINDOW_HEIGHT)*0.02);
glVertex2f(x,-glutGet(GLUT_WINDOW_HEIGHT)*0.02);
}
glEnd();
glBegin(GL_LINES);
for(int i=0;i<markers_y*2;i++)
{
float dy = glutGet(GLUT_WINDOW_HEIGHT)*(1-m_border)/markers_x;
float y = -glutGet(GLUT_WINDOW_HEIGHT)*(1-m_border) + i*dy;
glVertex2f( glutGet(GLUT_WINDOW_WIDTH)*0.02,y);
glVertex2f(-glutGet(GLUT_WINDOW_WIDTH)*0.02,y);
}
glEnd();
}
void glCartesianGraphic::DrawDataNames(void){
// cambiar el viewport y generar un mundo nuevo de alta resolucion, es decir, el mundo mas grande que la pantalla para que se vea bien :)
}
void glCartesianGraphic::DrawDataPairs(void)
{
// if there is no list to draw
if (m_timed_pair_list.empty())
{
return;
}
// total pixeld to draw
size_t pixels_x = glutGet(GLUT_WINDOW_WIDTH )*(1 - m_border * 2); // total amount of pixels to draw the lines
size_t pixels_y = glutGet(GLUT_WINDOW_HEIGHT)*(1 - m_border * 2); // total amount of pixels to draw the lines
int center_x = glutGet(GLUT_WINDOW_WIDTH)/2 ;
int center_y = glutGet(GLUT_WINDOW_HEIGHT)/2 ;
std::list< boost::shared_ptr<DataPair<> > >::iterator it = m_timed_pair_list.begin();
double coord_screen_x = 0.0;
double coord_screen_y = 0.0;
//glEnable(GL_LINE_SMOOTH);
//glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
for (; it != m_timed_pair_list.end(); ++it)
{
double max_value = (*it)->GetMaxValue();
size_t count = (*it)->count(); // total amount of data
glColor3fv((*it)->GetColorPointer());
glBegin(GL_LINE_STRIP);
for(int i=0; i<count && double(i/m_data_count_to_show) < 1.0f ; i++)
{
double value = (*it)->GetPairAt(i)->second;
double xpos = glutGet(GLUT_WINDOW_WIDTH )*(double(i)/double(m_data_count_to_show)*1.8-(1 - m_border));
glVertex2f( xpos , value/max_value * pixels_y-pixels_y/2);
}
//
glEnd();
// w and y mouse position
static char cTmp[100]; // char buffer
sprintf(cTmp,"max_value: %f",max_value);
glRasterPos2f(-glutGet(GLUT_WINDOW_WIDTH),-glutGet(GLUT_WINDOW_HEIGHT)+40);
drawString(cTmp);
}
}