void Canvas::frameEntered( float _time )
{
int width = mReqTexSize.width;
int height = mReqTexSize.height;
TextureUsage usage = getDefaultTextureUsage();
PixelFormat format = getDefaultTextureFormat();
validate( width, height, usage, format );
bool create = checkCreate( width, height );
if ( mTexResizeMode == TRM_PT_CONST_SIZE )
create = false;
if ( create )
{
createExactTexture( width, height, usage, format );
correctUV();
}
else // I thought order is important
{
correctUV();
requestUpdateCanvas( this, Event( false, true, mInvalidateData ) );
}
mInvalidateData = false;
frameAdvise( false );
}
void Canvas::validate( int & _width, int & _height, Ogre::TextureUsage & _usage, Ogre::PixelFormat & _format ) const
{
validateSize( _width, _height );
// restore usage and format
if( ! mTexPtr.isNull() )
{
if( _usage == getDefaultTextureUsage() )
_usage = (Ogre::TextureUsage) mTexPtr->getUsage();
if( _format == getDefaultTextureFormat() )
_format = mTexPtr->getFormat();
}
}
void Canvas::validate( int& _width, int& _height, TextureUsage& _usage, PixelFormat& _format ) const
{
_width = std::max(1, _width);
_height = std::max(1, _height);
_width = Bitwise::firstPO2From(_width);
_height = Bitwise::firstPO2From(_height);
// restore usage and format
if ( mTexture != nullptr )
{
if ( _usage == getDefaultTextureUsage() )
_usage = mTexture->getUsage();
if ( _format == getDefaultTextureFormat() )
_format = mTexture->getFormat();
}
}
