void View::addCenterLines( std::vector<RenderData> &data, const ci::ColorA &color, const ci::Rectf rect, float lineWidth )
{
vec2 offset = rect.getUpperLeft();
float w = rect.getWidth();
float h = rect.getHeight();
float hw = w*0.5;
float hh = h*0.5;
addLine( data, color, offset + vec2(0, hh), offset + vec2(w, hh), lineWidth );
addLine( data, color, offset + vec2(hw, 0), offset + vec2(hw, h), lineWidth );
}
void View::addPointGrid( std::vector<RenderData> &data, const ci::ColorA &color, const ci::Rectf rect, float gridInterval, float pointSize )
{
vec2 offset = rect.getUpperLeft();
float w = rect.getWidth();
float h = rect.getHeight();
float hw = w*0.5;
float hh = h*0.5;
for( int x = 0; x <= hw; x+=gridInterval )
{
for( int y = 0; y <= hh; y+=gridInterval )
{
addPoint( data, color, offset + vec2(hw+x, hh+y), pointSize );
addPoint( data, color, offset + vec2(hw-x, hh+y), pointSize );
addPoint( data, color, offset + vec2(hw-x, hh-y), pointSize );
addPoint( data, color, offset + vec2(hw+x, hh-y), pointSize );
}
}
}
void Control::setRect(const ci::Rectf &rect) {
setSize(rect.getSize());
setLocation(rect.getUpperLeft());
}
ci::Rectf Control::screen(const ci::Rectf &rect) const {
return rect + screen(rect.getUpperLeft());
}