TJPEGExportFormat.Quality
TJPEGExportFormat
property Quality: Integer;
Unit
TeeJPEG
Description
From 0 to 100.
Default value: 95.
Determines the compression quality of the resulting jpeg image.
100 means no compression (jpeg file size is bigger, but image quality is better).
0 means total compression (jpeg file size is smaller, but image quality is worst).