File Formats: Portable Network Graphics Format (PNG) (original) (raw)
PNG (Portable Network Graphics) is a replacement for the GIF format (single page). 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.
- For multipage file formatting, refer to File Formats - Multiple Network Graphics Format (MNG).
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.