Lists all PNG tag identifiers.
Syntax
Members
Member | Description |
BACKGROUND | Background information. |
CALIBRATION | Calibration information. |
CHRM_BLUE | Chromaticities blue. |
CHRM_GREEN | Chromaticities green. |
CHRM_RED | Chromaticities red. |
CHRM_WHITE | White point. |
CHRM_X | Chromaticities X. |
CHRM_Y | Chromaticities Y. |
CHROMATICITIES | Chromaticities information. |
COMPRESSED_TEXT | Compressed textual data information. |
CTXT_COMPR_METHOD | Compression method. |
CTXT_KEYWORD | Compressed textual data chunk keyword that indicates the type of information represented by the text string. |
CTXT_TEXT | Compressed textual data chunk text. |
FORMAT | PNG metadata format identifier. |
FRACTAL_PARAMETERS | Fractal parameters information. |
GAMMA | Gamma information. |
GIF_APP_EXT | GIF application extension information. |
GIF_CONTROL | GIF contro information. |
GIF_TEXT_EXT | Gif text extension information. |
GIFG_DELAY_TIME | Delay time. |
GIFG_DISPOSAL_METHOD | Disposal method. |
GIFG_USER_INPUT_FLAG | User Input flag. |
GIFT_BACK_COLOR | Text background color. |
GIFT_CELL_HEIGHT | Character cell height. |
GIFT_CELL_WIDTH | Character cell width. |
GIFT_FORE_COLOR | Text foreground color. |
GIFT_GRID_HEIGHT | Text grid height. |
GIFT_GRID_WIDTH | Text grid width. |
GIFT_LEFT_POSITION | Text grid left position. |
GIFT_PLAIN_TEXT | Plain text data. |
GIFT_TOP_POSITION | Text grid top position. |
GIFX_APP_DATA | Application data. |
GIFX_APP_ID | Application identifier. |
GIFX_AUTHENTICATION | Authentication code. |
HEADER | Header information. |
HISTOGRAM | Histogram information. |
ICC_PROFILE | ICC profile information. |
ICCP_DATA | Profile data. |
ICCP_NAME | Profile name. |
IHDR_BIT_DEPTH | Image bit depth. |
IHDR_COLOR_TYPE | Color type. |
IHDR_COMPRESSION | Compression type. |
IHDR_FILTER_TYPE | Filter type. |
IHDR_HEIGHT | Image height. |
IHDR_INTERLACE_TYPE | Interlace type. |
IHDR_WIDTH | Image width. |
IMAGE_OFFSET | Image offset. |
INTERNATIONAL_TEXT | International textual data information. |
ITXT_COMPR_FLAG | Compression flag. |
ITXT_COMPR_METHOD | Compression method. |
ITXT_KEYWORD | International textual data chunk keyword that indicates the type of information represented by the text string. |
ITXT_LANGUAGE | Language tag. |
ITXT_TEXT | International textual data chunk text. |
ITXT_TRANSL_KEYWORD | Translated keyword. |
OFFS_UNIT | Unit specifier. |
OFFS_X_POSITION | X position. |
OFFS_Y_POSITION | Y position. |
PCAL_EQUATION | Equation type. |
PCAL_NAME | Calibration name. |
PCAL_PAR_COUNT | Number of parameters. |
PCAL_PARAMETER | Calibration parameter. |
PCAL_UNIT | Unit root. |
PCAL_UNIT_NAME | Unit name. |
PCAL_X0 | Original zero(x0). |
PCAL_X1 | Original Max(x1). |
PHYS_UNIT | Unit specifier. |
PHYS_X_AXIS | Intended pixel size or aspect ratio by X axis for display . |
PHYS_Y_AXIS | Intended pixel size or aspect ratio by Y axis for display. |
PHYSICAL_SCALE | Physical scale information. |
RESOLUTION | Resolution information. |
SCAL_HEIGHT | Pixel height. |
SCAL_UNIT | Unit specifier. |
SCAL_WIDTH | Pixel width. |
SIGNIFICANT_BITS | Significant bits information. |
SPLT_ALPHA | Suggested palette alpha entry value. |
SPLT_BLUE | Suggested palette blue entry value. |
SPLT_DEPTH | Sample depth. |
SPLT_ENTRY | Suggested palette entry. |
SPLT_ENTRY_COUNT | Suggested palette entry count. |
SPLT_FREQUENCY | Suggested palette frequency entry value. |
SPLT_GREEN | Suggested palette green entry value. |
SPLT_NAME | Palette name. |
SPLT_RED | Suggested palette red entry value. |
SRGB | Standard RGB information. |
SUGGESTED_PALETTE | Suggested palette information. |
TEXT | Text data information. |
TEXT_KEYWORD | Textual data chunk keyword that indicates the type of information represented by the text string. |
TEXT_TEXT | Textual data chunk text. |
TIME | Time image last modification information. |
TIME_DAY | Image last-modification time day value. |
TIME_HOUR | Image last-modification time hour value. |
TIME_MINUTE | Image last-modification time minute value. |
TIME_MONTH | Image last-modification time month value. |
TIME_SECOND | Image last-modification time second value. |
TIME_YEAR | Image last-modification time year value. |
TRANSPARENCY | Transparency information. |
XMP |
XML packet containing XMP metadata.
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Inheritance Hierarchy
See Also