Simplify newImageData pass integer zoom instead of zoomContext#2803

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

vi-eclipse:arunjose696/532/zoomContextToZoomvi-eclipse/eclipse.platform.swt:arunjose696/532/zoomContextToZoomCopy head branch name to clipboard