ImageGear for C and C++ on Linux v19.10 - Updated
enumIGPNGTagIDs
API Reference Guide > Core Component API Reference > Core Component Enumerations Reference > enumIGPNGTagIDs

Lists all PNG tag identifiers.

Values:

IGMDTAG_ID_PNG_FORMAT PNG metadata format identifier.
IGMDTAG_ID_PNG_HEADER Header information.
IGMDTAG_ID_PNG_TRANSPARENCY Transparency information.
IGMDTAG_ID_PNG_GAMMA Gamma information.
IGMDTAG_ID_PNG_CHROMATICITIES Chromaticities information.
IGMDTAG_ID_PNG_SRGB Standard RGB information.
IGMDTAG_ID_PNG_ICC_PROFILE ICC profile information.
IGMDTAG_ID_PNG_BACKGROUND Background information.
IGMDTAG_ID_PNG_SIGNIFICANT_BITS Significant bits information.
IGMDTAG_ID_PNG_SUGGESTED_PALETTE Suggested palette information.
IGMDTAG_ID_PNG_HISTOGRAM Histogram information.
IGMDTAG_ID_PNG_TIME Time image last modification information.
IGMDTAG_ID_PNG_TEXT Text data information.
IGMDTAG_ID_PNG_COMPRESSED_TEXT Compressed textual data information.
IGMDTAG_ID_PNG_INTERNATIONAL_TEXT International textual data information.
IGMDTAG_ID_PNG_CALIBRATION Calibration information.
IGMDTAG_ID_PNG_PHYSICAL_SCALE Physical scale information.
IGMDTAG_ID_PNG_GIF_APP_EXT GIF application extension information.
IGMDTAG_ID_PNG_GIF_CONTROL GIF control information.
IGMDTAG_ID_PNG_IMAGE_OFFSET Image offset.
IGMDTAG_ID_PNG_FRACTAL_PARAMETERS Fractal parameters information.
IGMDTAG_ID_PNG_GIF_TEXT_EXT Gif text extension information.
IGMDTAG_ID_PNG_RESOLUTION Resolution information.