Example #1
0
oop CGContextConvertPointToDeviceSpace_wrap(CGContextRef c, float x, float y) {
  CGPoint p = CGContextConvertPointToDeviceSpace(c, CGPointMake(x, y));
  objVectorOop r = Memory->objVectorObj->cloneSize(2);
  r->obj_at_put(0, as_floatOop(p.x), false);
  r->obj_at_put(1, as_floatOop(p.y), false);
  return r;
}
Example #2
0
//-----------------------------------------------------------------------------
CGPoint CGDrawContext::pixelAlligned (const CGPoint& p) const
{
    CGPoint result = CGContextConvertPointToDeviceSpace (cgContext, p);
    result.x = std::round (result.x);
    result.y = std::round (result.y);
    result = CGContextConvertPointToUserSpace (cgContext, result);
    return result;
}
static CGPoint alignPointToUserSpace(CGContextRef context, CGPoint p)
{
    // Compute the coordinates of the point in device space.
    p = CGContextConvertPointToDeviceSpace(context, p);
    // Ensure that coordinates are at exactly the corner
    // of a device pixel.
    p.x = floor(p.x);
    p.y = floor(p.y);
    // Convert the device aligned coordinate back to user space.
    return CGContextConvertPointToUserSpace(context, p);
}