Verification for 800x600, 1DPR with 800x600 src.
Verification for 800x600, 1DPR with 800x600 src.

alanwsmith/doc-write-image-loader,alanwsmith/document.write-image-loader,alanwsmith/doc-write-image-loader,alanwsmith/doc-write-image-loader,alanwsmith/document.write-image-loader