Decoded 8-bit RGBA image in EXIF-normalized orientation.
Coordinates use full-resolution pixel edges: top-left (0, 0), Y downward,
first pixel centre (0.5, 0.5). Workers copy buffers and never detach them.
Alpha-zero pixels are unavailable evidence; opaque white paper is valid data.
Decoded 8-bit RGBA image in EXIF-normalized orientation. Coordinates use full-resolution pixel edges: top-left
(0, 0), Y downward, first pixel centre(0.5, 0.5). Workers copy buffers and never detach them. Alpha-zero pixels are unavailable evidence; opaque white paper is valid data.