예제 #1
0
파일: llimage.cpp 프로젝트: Shyotl/Ascent
// Src and dst can be any size.  Src and dst can each have 3 or 4 components.
void LLImageRaw::copy(LLImageRaw* src)
{
	if (!src)
	{
		llwarns << "LLImageRaw::copy called with a null src pointer" << llendl;
		return;
	}

	LLImageRaw* dst = this;  // Just for clarity.

	llassert( (3 == src->getComponents()) || (4 == src->getComponents()) );
	llassert( (3 == dst->getComponents()) || (4 == dst->getComponents()) );

	if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) )
	{
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyUnscaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyUnscaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyUnscaled4onto3( src );
		}
	}
	else
	{
		// Scaling needed
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyScaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyScaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyScaled4onto3( src );
		}
	}
}
예제 #2
0
// Src and dst can be any size.  Src and dst can each have 3 or 4 components.
void LLImageRaw::copy(LLImageRaw* src)
{
	if (!src)
	{
		LL_WARNS() << "LLImageRaw::copy called with a null src pointer" << LL_ENDL;
		return;
	}

	LLImageRaw* dst = this;  // Just for clarity.

	if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) )
	{
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyUnscaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyUnscaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyUnscaled4onto3( src );
		}
	}
	else
	{
		// Scaling needed
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyScaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyScaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyScaled4onto3( src );
		}
	}
}
예제 #3
0
// Src and dst can be any size.  Src and dst can each have 3 or 4 components.
void LLImageRaw::copy(LLImageRaw* src)
{
	LLImageRaw* dst = this;  // Just for clarity.

	llassert( (3 == src->getComponents()) || (4 == src->getComponents()) );
	llassert( (3 == dst->getComponents()) || (4 == dst->getComponents()) );

	if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) )
	{
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyUnscaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyUnscaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyUnscaled4onto3( src );
		}
	}
	else
	{
		// Scaling needed
		// No scaling needed
		if( src->getComponents() == dst->getComponents() )
		{
			copyScaled( src );
		}
		else
		if( 3 == src->getComponents() )
		{
			copyScaled3onto4( src );
		}
		else
		{
			// 4 == src->getComponents()
			copyScaled4onto3( src );
		}
	}
}