File Formats: Portable Network Graphics Format (PNG)

PNG (Portable Network Graphics) is a replacement for the GIF format. It is a full-featured (non-LZW) compressed format intended for widespread use without legal restraints.

LEADTOOLS supports reading and writing PNG 1+1 files.

LEADTOOLS supports reading (but not writing) interlaced PNG files.

To implement the paint-while-load feature, set the Passes property to paint the image in more than one pass.

The file constants associated with this file format are:

WIC Codec CLSID	WIC Codec Subformat	RasterImageViewer.Save File Constant	Read Support	Write Support	Description
CLSID_WICLeadPngEncoder	WICLeadSubFormatPng	Png	1, 4, 8, 16, 24, 32, 48, 64 BPP	1, 4, 8, 24, 32, 48, 64 BPP	Portable Network Graphics (PNG).

Required DLL: Leadtools.Codecs.Png.Dll. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application .

Platforms: .NET 2/3, .NET 4, Silverlight, Silverlight Windows Phone 7, WinRT