//----------------------------------------------------------------------------
void BSplineCurveExamples::OnDisplay ()
{
ClearScreen();
ColorRGB lightGray(224, 224, 224);
ColorRGB mediumGray(192, 192, 192);
ColorRGB darkGray(128, 128, 128);
ColorRGB black(0, 0, 0);
// draw axes
int i;
for (i = mSize/16; i < mSize; ++i)
{
SetPixel(mSize/16, mSize - 1 - i, lightGray);
SetPixel(i, mSize - 1 - mSize/16, lightGray);
}
// draw control points
int imax = mSpline->GetNumCtrlPoints();
int x, y;
for (i = 0; i < imax; ++i)
{
const Vector2f& ctrl = mSpline->GetControlPoint(i);
x = (int)(ctrl.X() + 0.5f);
y = mSize - 1 - (int)(ctrl.Y() + 0.5f);
SetThickPixel(x, y, 2, darkGray);
}
// draw spline
imax = 2048;
for (i = 0; i <= imax; ++i)
{
// draw point
float u = i/(float)imax;
Vector2f pos = mSpline->GetPosition(u);
x = (int)(pos.X() + 0.5f);
y = mSize - 1 - (int)(pos.Y() + 0.5f);
if (mModified
&& mLocCtrlMin[mCurveType] <= u && u <= mLocCtrlMax[mCurveType])
{
SetPixel(x, y, mediumGray);
}
else
{
SetPixel(x, y, black);
}
}
WindowApplication2::OnDisplay();
}
void GridButton::initBorders()
{
int r = getRow();
int c = getCol();
QColor darkGray("#3D3D3D");
if ((c + 1) % 5 == 0)
borderRight = darkGray;
if (c % 5 == 0)
borderLeft = darkGray;
if ((r + 1) % 5 == 0)
borderBottom = darkGray;
if (r % 5 == 0)
borderTop = darkGray;
}
