red-parse-qxl: Check consistency of QXL_DRAW_COPY operations
red-parse-qxl: Check consistency of QXL_DRAW_COPY operations

The source area should not extend outside the source bitmap, or have
swapped coordinates.

Signed-off-by: Francois Gouget <6b915da68578f6eb004fe99432b967565fc9be8f@codeweavers.com>
Acked-by: Frediano Ziglio <55d48b080b2e443e395cde84d2c83b135a4ff48e@redhat.com>

fgouget/spice,fgouget/spice,fgouget/spice,fgouget/spice