C++ (Cpp) SetCairoStrokeOptions示例

示例#1

文件： PathCairo.cpp 项目： servo/rust-azure

Rect
PathCairo::GetStrokedBounds(const StrokeOptions &aStrokeOptions,
                            const Matrix &aTransform) const
{
  EnsureContainingContext();

  double x1, y1, x2, y2;

  SetCairoStrokeOptions(mContainingContext, aStrokeOptions);

  cairo_stroke_extents(mContainingContext, &x1, &y1, &x2, &y2);
  Rect bounds((Float)x1, (Float)y1, (Float)(x2 - x1), (Float)(y2 - y1));
  return aTransform.TransformBounds(bounds);
}

示例#2

文件： PathCairo.cpp 项目： hideakihata/mozilla-central.fgv

bool
PathCairo::StrokeContainsPoint(const StrokeOptions &aStrokeOptions,
                               const Point &aPoint,
                               const Matrix &aTransform) const
{
  CairoTempMatrix(*mPathContext, mTransform);

  Matrix inverse = aTransform;
  inverse.Invert();
  Point transformed = inverse * aPoint;

  SetCairoStrokeOptions(*mPathContext, aStrokeOptions);
  return cairo_in_stroke(*mPathContext, transformed.x, transformed.y);
}

示例#3

文件： PathCairo.cpp 项目： servo/rust-azure

bool
PathCairo::StrokeContainsPoint(const StrokeOptions &aStrokeOptions,
                               const Point &aPoint,
                               const Matrix &aTransform) const
{
  Matrix inverse = aTransform;
  inverse.Invert();
  Point transformed = inverse * aPoint;

  EnsureContainingContext();

  SetCairoStrokeOptions(mContainingContext, aStrokeOptions);

  return cairo_in_stroke(mContainingContext, transformed.x, transformed.y);
}