Vector3 GetNaturalSize( Actor actor )
{
Vector3 size = actor.GetCurrentSize();
const float depth = size.depth;
// Get natural size for TextActor.
TextActor textActor = TextActor::DownCast( actor );
if( textActor )
{
Font font = textActor.GetFont();
if( !font )
{
font = Font::New();
}
size = font.MeasureText( textActor.GetText() );
size.depth = depth;
}
// Get natural size for ImageActor.
// TODO: currently it doesn't work as expected.
ImageActor imageActor = ImageActor::DownCast( actor );
if( ( imageActor ) && ( imageActor.GetImage() ) )
{
Image image = imageActor.GetImage();
size = Vector3( static_cast<float>( image.GetWidth() ), static_cast<float>( image.GetHeight() ), depth );
}
return size;
}
float GetHeightForWidth( Actor actor, float width )
{
Vector3 size = actor.GetCurrentSize();
float height = 0.f;
TextActor textActor = TextActor::DownCast( actor );
if( textActor )
{
Font font = textActor.GetFont();
if( !font )
{
font = Font::New();
}
size = font.MeasureText( textActor.GetText() );
}
ImageActor imageActor = ImageActor::DownCast( actor );
if( ( imageActor ) && ( imageActor.GetImage() ) )
{
Image image = imageActor.GetImage();
size = Vector3( static_cast<float>( image.GetWidth() ), static_cast<float>( image.GetHeight() ), 0.f );
}
height = size.height / ( size.width / width );
return height;
}
int UtcDaliImageActorSetImage(void)
{
TestApplication application;
ImageActor actor = ImageActor::New(Image());
DALI_TEST_CHECK(actor);
actor.SetImage( Image() );
DALI_TEST_CHECK(!actor.GetImage());
END_TEST;
}