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:

Constant Read Support Write Support Description
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 .

Related Formats: GIF - GIF Format, JPG - JPEG Compressed and File Formats - Multiple Network Graphics Format (MNG).

Platform Support

Extension Module Value Win32 Win64 Net32 Net64 Linux Android Apple UWP MimeType Friendly Name
Png PNG 75 image/png PNG - Portable Network Graphics

For a complete list for supported file formats, see Summary of All Supported File Formats.

For details of the file formats supported across products and platforms, refer to File Format Comparison Chart.

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