added from symphony, also BMP_SCALE_LANCZOS, BMP_SCALE_BICUBIC,
BMP_SCALE_BILINEAR and BMP_SCALE_BOX.
Changed defaults for internal scalings, enhanced PDF export when reduched DPI
is used, added BMP_SCALE_BESTQUALITY and BMP_SCALE_FASTESTINTERPOLATE as new
default for Bitmap::Scale
(cherry picked from commit bf734a151dc5169b65cf5d2a127e4142b765326c)
Conflicts:
canvas/source/vcl/canvasbitmaphelper.cxx
canvas/source/vcl/canvashelper.cxx
sd/source/ui/slidesorter/cache/SlsGenericPageCache.cxx
vcl/inc/vcl/alpha.hxx
vcl/inc/vcl/bitmap.hxx
vcl/inc/vcl/bitmapex.hxx
vcl/source/gdi/bitmap3.cxx
vcl/source/gdi/impgraph.cxx
vcl/source/gdi/pdfwriter_impl2.cxx
vcl/source/helper/canvasbitmap.cxx
(cherry picked from commit 593c86280b64d97725adde0c0a0cc4f090fb2310)
Change-Id: I41cf0a7e11bdbc6510e22e762486420995ba739b
44fb0ceeb9