ExampleFloatingPoint.cpp

// Floating Point Color.
// Pixels are float r,g,b,a values automatically clamped in range [0,1]
// Part of the PixelToaster Framebuffer Library - http://www.pixeltoaster.com

#include "PixelToaster.h"

#ifdef PIXELTOASTER_NO_STL
#    include <vector>
using std::vector;
#endif

using namespace PixelToaster;

int main()
{
    const int width  = 320;
    const int height = 240;

    Display display("Floating Point Example", width, height);

    vector<Pixel> pixels(width * height);

    while (display.open())
    {
        unsigned int index = 0;

        for (int y = 0; y < height; ++y)
        {
            for (int x = 0; x < width; ++x)
            {
                pixels[index].r = 0.1f + (x + y) * 0.0015f;
                pixels[index].g = 0.5f + (x + y) * 0.001f;
                pixels[index].b = 0.7f + (x + y) * 0.0005f;

                ++index;
            }
        }

#ifdef PIXELTOASTER_NO_STL
        display.update(pixels.data());
#else
        display.update(pixels);
#endif
    }
}