Provides memory pointer to
have direct access to extra high resolution pixel information
property ExtraScanline[const Index: Integer]: Pointer;
Description
This property allows access to high resolution information for images with
16 bitdepth only.
It returns an array with the same size as the image
width in bytes.
Each byte represents the extra information for a pixel in the image.
See also
Scanline.
Components
> TPNGObject > Properties > ExtraScanline