TPNGImage help

PNG Delphi

Components > TPNGObject > Properties > MaxIdatSize


Maximum size allowed for each IDAT chunk.

property
MaxIdatSize: Cardinal;

Description

This property allows the set the maximum size for each IDAT chunk which contains the image data. Portable Network Graphics allows multiple idat chunks (when one is followed by the other) to reduce the memory allocated to save images. Currently the minimum size allowed is 65535.