GRAPHICS: Fix up blitting
merge this
GRAPHICS: Fix upp blitAlphaBitmap to accept destination
GRAPHICS: Add hacks to make rendering work
GRAPHICS: Add check for drawableArea
GRAPHICS: Random fixes
GRAPHICS: Fixed back drawCircle. Ooops
GRAPHICS: Add back tabalg
GRAPHICS: add function to set drawable area
GRAPHICS: add function to set drawable area for canvas
GRAPHICS: drawablearea on widgetbackground
GRAPHICS: drawablearea on buttons
GRAPHICS: drawablearea on buttons2
GRAPHICS: Fix bitmap-callback
GRAPHICS: Readd assert