Add internal API in SVGrasterizer to rasterize images at given height and width#2514

HeikoKlare merged 1 commit intoeclipse-platform:mastereclipse-platform/eclipse.platform.swt:masterfrom

vi-eclipse:arunjose696/326/rasterizervi-eclipse/eclipse.platform.swt:arunjose696/326/rasterizerCopy head branch name to clipboard