void ScreenBuffer::draw(void)
{
glClear(GL_COLOR_BUFFER_BIT);
for (int x = 0; x < getWidth(); x ++) {
for (int y = 0; y < getHeight(); y ++) {
if (getPixelIntensity(x, y) != 0.0) {
drawPixel(x, y, getPixelIntensity(x, y));
}
}
}
glFlush();
glutSwapBuffers();
}
IntensityImage * StudentPreProcessing::stepToIntensityImage(const RGBImage &image) const
{
const int width = image.getWidth();
const int height = image.getHeight();
auto & output = *ImageFactory::newIntensityImage(width, height);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
RGB rgb = image.getPixel(x, y);
output.setPixel(x, y, getPixelIntensity(rgb));
}
}
return &output;
}