C++ (Cpp) DrawTarget::StrokeLine Examples

Example #1

File: PathHelpers.cpp Project: AOSC-Dev/Pale-Moon

void
StrokeSnappedEdgesOfRect(const Rect& aRect, DrawTarget& aDrawTarget,
                        const ColorPattern& aColor,
                        const StrokeOptions& aStrokeOptions)
{
  if (aRect.IsEmpty()) {
    return;
  }

  Point p1 = aRect.TopLeft();
  Point p2 = aRect.BottomLeft();
  SnapLineToDevicePixelsForStroking(p1, p2, aDrawTarget);
  aDrawTarget.StrokeLine(p1, p2, aColor, aStrokeOptions);

  p1 = aRect.BottomLeft();
  p2 = aRect.BottomRight();
  SnapLineToDevicePixelsForStroking(p1, p2, aDrawTarget);
  aDrawTarget.StrokeLine(p1, p2, aColor, aStrokeOptions);

  p1 = aRect.TopLeft();
  p2 = aRect.TopRight();
  SnapLineToDevicePixelsForStroking(p1, p2, aDrawTarget);
  aDrawTarget.StrokeLine(p1, p2, aColor, aStrokeOptions);

  p1 = aRect.TopRight();
  p2 = aRect.BottomRight();
  SnapLineToDevicePixelsForStroking(p1, p2, aDrawTarget);
  aDrawTarget.StrokeLine(p1, p2, aColor, aStrokeOptions);
}