#define USE_FORGE_CPU_COPY_HELPERS
#include <complex>
#include <cmath>
#include <vector>
#include <iostream>
#include <random>
#include <algorithm>
#include <functional>
#include <iterator>
const unsigned DIMX = 1000;
const unsigned DIMY = 800;
const float FRANGE_START = 0.f;
const float FRANGE_END = 2.f * 3.1415926f;
using namespace std;
void map_range_to_vec_vbo(float range_start, float range_end, float dx,
std::vector<float> &vec,
float (*map) (float))
{
if(range_start > range_end && dx > 0) return;
for(float i=range_start; i < range_end; i+=dx){
vec.push_back(i);
vec.push_back((*map)(i));
}
}
int main(void)
{
std::vector<float> cosData;
std::vector<float> tanData;
map_range_to_vec_vbo(FRANGE_START, FRANGE_END, 0.1f, cosData, &cosf);
map_range_to_vec_vbo(FRANGE_START, FRANGE_END, 0.1f, tanData, &tanf);
std::random_device r;
std::default_random_engine e1(r());
std::mt19937_64 gen(r());
std::uniform_int_distribution<int> uDist(20, 80);
std::uniform_real_distribution<float> cDist(0.2, 0.6);
std::uniform_real_distribution<float> fDist(0.4, 0.6);
auto clr = std::bind(cDist, gen);
auto rnd = std::bind(uDist, e1);
auto alp = std::bind(fDist, gen);
std::vector<float> colors(3*tanData.size());
std::vector<float> alphas(tanData.size());
std::vector<float> radii(tanData.size());
std::generate(colors.begin(), colors.end(), clr);
std::generate(radii.begin(), radii.end(), rnd);
std::generate(alphas.begin(), alphas.end(), alp);
forge::Window wnd(DIMX, DIMY,
"Bubble chart with Transparency Demo");
wnd.makeCurrent();
chart.setAxesLimits(FRANGE_START, FRANGE_END, -1.0f, 1.0f);
do {
wnd.draw(chart);
} while(!wnd.close());
releaseGLBuffer(handles[0]);
releaseGLBuffer(handles[1]);
releaseGLBuffer(handles[2]);
releaseGLBuffer(handles[3]);
releaseGLBuffer(handles[4]);
return 0;
}
void * ComputeResourceHandle
A backend-agnostic handle to a compute memory resource originating from an OpenGL resource.
Definition: ComputeCopy.h:73
@ FORGE_VERTEX_BUFFER
OpenGL Vertex Buffer Object.
Definition: ComputeCopy.h:77
Chart is base canvas where other plottable objects are rendered.
Definition: chart.h:316
Plot is a line graph to display two dimensional data.
Definition: plot.h:198
FGAPI unsigned vertices() const
Get the buffer identifier for vertices.
FGAPI unsigned verticesSize() const
Get the vertex buffer size in bytes.
FGAPI void setLegend(const char *pLegend)
Set plot legend.
FGAPI void setColor(const forge::Color pColor)
Set the color of line graph(plot)
FGAPI void setMarkerSize(const float pMarkerSize)
Set global marker size.
FGAPI unsigned radiiSize() const
Get the marker sizes buffer size in bytes.
FGAPI unsigned alphasSize() const
Get the alpha values buffer size in bytes.
FGAPI unsigned radii() const
Get the buffer identifier for per vertex marker sizes.
FGAPI unsigned colorsSize() const
Get the colors buffer size in bytes.
FGAPI unsigned alphas() const
Get the buffer identifier for alpha values per vertex.
FGAPI unsigned colors() const
Get the buffer identifier for color values per vertex.
Window is where other objects such as Images, Plots etc.
Definition: window.h:300
@ FG_PLOT_LINE
Line plot.
Definition: defines.h:161
@ FG_MARKER_CIRCLE
Circle marker.
Definition: defines.h:169
@ FG_MARKER_TRIANGLE
Triangle marker.
Definition: defines.h:171
@ FG_GREEN
Definition: defines.h:141
@ FG_RED
Definition: defines.h:140
@ FG_CHART_2D
Two dimensional charts.
Definition: defines.h:118
@ f32
Definition: defines.h:193
Definition: ComputeCopy.h:80