Method boundBox

source/game/StarDrawable.cpp:216–248

}

RectF Drawable::boundBox(bool cropImages) const {
  RectF boundBox = RectF::null();
  if (auto line = part.ptr<LinePart>()) {
    boundBox.combine(line->line.min());
    boundBox.combine(line->line.max());

  } else if (auto poly = part.ptr<PolyPart>()) {
    boundBox.combine(poly->poly.boundBox());

  } else if (auto image = part.ptr<ImagePart>()) {
    auto imageMetadata = Root::singleton().imageMetadataDatabase();
    RectF imageRegion = RectF::null();
    if (cropImages) {
      RectU nonEmptyRegion = imageMetadata->nonEmptyRegion(image->image);
      if (!nonEmptyRegion.isNull())
        imageRegion = RectF(nonEmptyRegion);
    } else {
      imageRegion = RectF::withSize(Vec2F(), Vec2F(imageMetadata->imageSize(image->image)));
    }

    if (!imageRegion.isNull()) {
      boundBox.combine(image->transformation.transformVec2(Vec2F(imageRegion.xMin(), imageRegion.yMin())));
      boundBox.combine(image->transformation.transformVec2(Vec2F(imageRegion.xMax(), imageRegion.yMin())));
      boundBox.combine(image->transformation.transformVec2(Vec2F(imageRegion.xMin(), imageRegion.yMax())));
      boundBox.combine(image->transformation.transformVec2(Vec2F(imageRegion.xMax(), imageRegion.yMax())));
    }
  }

  if (!boundBox.isNull())
    boundBox.translate(position);

  return boundBox;
}

DataStream& operator>>(DataStream& ds, Drawable::LinePart& line) {
  ds >> line.line;