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 (but not writing) interlaced PNG files. To implement the paint-while-load feature, set the ProgressivePasses property to paint the image in more than one pass.
You can read the following bits per pixel: 1, 4, 8, 16, 24, 32.
You can write the following bits per pixel: 1, 4, 8, 24, 32.
The file constants associated with this file format are:
Constant |
Read Support |
Write Support |
Description |
FILE_PNG |
1, 4, 8, 16, 24, 32 BPP |
1, 4, 8, 24, 32 BPP |
[75] Portable Network Graphics (PNG). |
Required DLL: LFPNG. 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 - Compuserve GIF Format, JPG - JPEG Compressed.