ImageGear for C and C++ on Linux v20.0 - Updated
API Reference Guide > Core Component API Reference > Core Component Functions Reference > Palette Functions > IG_palette_load

This function loads a palette that was saved using IG_palette_save() function.


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        const LPSTR lpszFileName, 
        LPAT_RGBQUAD lpPalette, 
        LPUINT lpNumEntries, 
        BOOL bBGR_Order, 
        LPAT_MODE lpFileType 


Name Type Description
lpszFileName const LPSTR Name of file containing saved palette to load.
lpPalette LPAT_RGBQUAD Far pointer to array of AT_RGBQUAD structs to load into (see the parameter bBGR_Order, below).
lpNumEntries LPUINT Far pointer to UINT variable to receive number of palette entries loaded (size of palette).
bBGR_Order BOOL TRUE = store as AT_RGB structs (that is, Blue-Green-Red), instead of AT_RGBQUAD structs (Blue-Green-Red-Unused). This switch has no effect when reading ImageGear's text format. It loads this information as if writing to AT_RGBQUAD.
lpFileType LPAT_MODE An IG_PALETTE_FORMAT_ constant specifying the format of the file. The constants are listed in file accucnst.h.

Return Value:

Returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

This function does not process image pixels.


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AT_RGBQUAD rgbqPalette[256];     /* Will hold the palette loaded */
UINT nEntries;           /* Holds number of entries in palette*/
AT_MODE nPaletteFileType;   /* Will receive IG_PALETTE_... constant*/
AT_ERRCOUNT1 nErrcount;           /* Returned count of errors   */
nErrcount = IG_palette_load ( "Palfile.pal", &rgbqPalette[0], &nEntries, TRUE,
&nPaletteFileType );
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