Bug 168042 [regression]Background position doesn't work in pdf generated using BIRT PDF emitter.[0300]
[regression]Background position doesn't work in pdf generated using BIRT PDF emitter.[0300] Build number: 2.1.2.v20061214 Steps to reproduce: 1.open the attached report and preview in PDF 2.select the style and set the vertical position of background to 50% 3.preview in PDF Expected result: effects in step 1 and 3 are different Actual result: the same effects Error log: N/A
engine/org.eclipse.birt.report.engine.emitter.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFEmitter.java
*/
		
		private tplValueTriple computeTplVerticalValTriple(float absPos, float containerBaseAbsPos, float containerSize, float ImageSize)
		{
			float tplOrigin = 0.0f, tplSize = 0.0f, translation = 0.0f;
			if(absPos <= 0)
			{
				if(ImageSize + absPos > 0 && ImageSize + absPos <= containerSize)
				{
					tplOrigin = containerBaseAbsPos - ImageSize - absPos;
					tplSize = ImageSize + absPos;
				}
				else if(ImageSize + absPos > containerSize)
				{
					tplOrigin = containerBaseAbsPos - containerSize;
					tplSize = containerSize;
					translation = containerSize - ImageSize;
				}
				else
				{
					
				}
			}
			else if(absPos >= containerSize)
			{
				
			}
			else
			{
				if(ImageSize + absPos <= containerSize)