Method getHandleAtPoint

src/app/ui/editor/transform_handles.cpp:55–88

};

HandleType TransformHandles::getHandleAtPoint(Editor* editor, const gfx::Point& pt, const Transformation& transform)
{
  SkinTheme* theme = static_cast<SkinTheme*>(CurrentTheme::get());
  she::Surface* gfx = theme->parts.transformationHandle()->bitmap(0);
  fixmath::fixed angle = fixmath::ftofix(128.0 * transform.angle() / PI);

  Transformation::Corners corners;
  transform.transformBox(corners);

  std::vector<gfx::Point> screenPoints(corners.size());
  for (size_t c=0; c<corners.size(); ++c)
    screenPoints[c] = editor->editorToScreen(
      gfx::Point((int)corners[c].x, (int)corners[c].y));

  int handle_rs[2] = { gfx->width()*2, gfx->width()*3 };
  for (int i=0; i<2; ++i) {
    int handle_r = handle_rs[i];
    for (size_t c=0; c<HANDLES; ++c) {
      if (inHandle(pt,
                   (screenPoints[handles_info[c].i1].x+screenPoints[handles_info[c].i2].x)/2,
                   (screenPoints[handles_info[c].i1].y+screenPoints[handles_info[c].i2].y)/2,
                   handle_r, handle_r,
                   angle + handles_info[c].angle)) {
        return handles_info[c].handle[i];
      }
    }
  }

  // Check if the cursor is in the pivot
  if (visiblePivot(angle) && getPivotHandleBounds(editor, transform, corners).contains(pt))
    return PivotHandle;

  return NoHandle;
}

void TransformHandles::drawHandles(Editor* editor, const Transformation& transform)
{