//----------------------------------------------------------------------------
void NonlocalBlowup::BuildSquareDomain ()
{
// Create a texture representing the domain. This will be used by the
// shader for drawing the domain and graph of temperature.
mDomainTexture = new0 Texture2D(Texture::TF_A8R8G8B8, DIMENSION,
DIMENSION, 1);
mDomainTexture->GenerateMipmaps();
unsigned char* data = (unsigned char*)mDomainTexture->GetData(0);
memset(data, 0, NUMSAMPLES*sizeof(unsigned char));
// Create a domain mask that is 1 at interior samples of the square and 0
// at boundary samples of the square.
mDomain.ClearPixels();
for (int y = 1; y < DIMENSION-1; ++y)
{
for (int x = 1; x < DIMENSION-1; ++x)
{
mDomain(x, y) = 255;
data[4*(x + DIMENSION*y) + 0] = 255;
data[4*(x + DIMENSION*y) + 1] = 255;
data[4*(x + DIMENSION*y) + 2] = 255;
data[4*(x + DIMENSION*y) + 3] = 255;
}
}
}
void MLGraph::paint (Graphics& g)
{
MLLookAndFeel* myLookAndFeel = MLLookAndFeel::getInstance();
int m = myLookAndFeel->getSmallMargin();
int w = getWidth();
int h = getHeight();
Rectangle<float> br (m + 0.5, m + 0.5, w - 2*m + 0.5, h - 2*m + 0.5);
float outlineThickness = 0.5;
Path envPath;
float fx, fy, viewX, viewY;
envPath.startNewSubPath(mViewDomain(0), mViewRange(0));
for(int i=0; i<=mResolution; ++i)
{
fx = mDomain((float)i/(float)mResolution);
// evaluate function at fx;
fy = 0.;
int s = mPolyCoeffs.size();
for(int j=0; j<s; ++j)
{
float k = mPolyCoeffs[j];
fy += k*powf(fx, j);
}
viewX = mViewDomain(fx);
viewY = mViewRange(fy);
envPath.lineTo(viewX, viewY);
}
envPath.lineTo(mViewDomain(1), mViewRange(0));
g.setColour(findColour(MLLookAndFeel::outlineColor));
g.strokePath(envPath, PathStrokeType (outlineThickness));
g.setColour(findColour(MLLookAndFeel::outlineColor).withAlpha(0.125f));
g.fillPath(envPath);
}
