Method ApplyMatrix

src/core/shapes/MatrixShape.cpp:23–42

namespace tgfx {
std::shared_ptr<Shape> Shape::ApplyMatrix(std::shared_ptr<Shape> shape, const Matrix& matrix) {
  if (shape == nullptr) {
    return nullptr;
  }
  if (matrix.isIdentity()) {
    return shape;
  }
  if (!matrix.invertible()) {
    return nullptr;
  }
  if (shape->type() != Type::Matrix) {
    return std::make_shared<MatrixShape>(std::move(shape), matrix);
  }
  auto matrixShape = std::static_pointer_cast<MatrixShape>(shape);
  auto totalMatrix = matrix * matrixShape->matrix;
  if (totalMatrix.isIdentity()) {
    return matrixShape->shape;
  }
  return std::make_shared<MatrixShape>(matrixShape->shape, totalMatrix);
}

Rect MatrixShape::getBounds() const {
  auto bounds = shape->getBounds();