bool renderArrow(
float s = 8.0f,
float lw = 2.0f,
const osgWidget::Color& lc = osgWidget::Color(0.0f, 0.0f, 0.0f, 1.0f),
const osgWidget::Color& fc = osgWidget::Color(1.0f, 1.0f, 1.0f, 1.0f)
) {
if(!allocateSurface(s * 2.0f, s)) return false;
if(!createContext()) return false;
// Fill the background.
setSourceRGBA(fc);
rectangle(0.0f, 0.0f, s * 2.0f, s);
fill();
setLineWidth(lw);
setSourceRGBA(lc);
// Draw our "vertical line."
moveTo(s / 4.0f, 0.0f);
lineTo(s / 4.0f, s);
stroke();
// Draw the arrow.
setLineWidth(0.0f);
moveTo(s, 0.0f);
lineTo(s, s);
lineTo(s + (s / 2.0f), s / 2.0f);
lineTo(s, 0.0f);
fill();
return true;
}
void _finalizeCorner(
float x,
float y,
const osgWidget::Color& lc,
const osgWidget::Color& fc
) {
setSourceRGBA(lc);
strokePreserve();
setSourceRGBA(fc);
lineTo(x, y);
fill();
}
void _drawBorder(
float x1,
float y1,
float x2,
float y2,
float xoff,
float size,
const osgWidget::Color& lc,
const osgWidget::Color& fc
) {
setSourceRGBA(lc);
moveTo(x1 + xoff, 0.0f);
lineTo(x1 + xoff, size);
stroke();
rectangle(x1, y1, x2, y2);
setSourceRGBA(fc);
fill();
}
void TTGraphicsContext::setColor(TTGraphicsColor& color)
{
setSourceRGBA(color.red, color.green, color.blue, color.alpha);
}
