IG_DIB_palette

IG_DIB_palette_alloc

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This function allocates a palette for the given DIB.

Declaration:

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AT_ERRCOUNT ACCUAPI IG_DIB_palette_alloc( HIGDIBINFO hDIB );

Arguments:

Name	Type	Description
hDIB	HIGDIBINFO	DIB info handle.

Return Value:

Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.

Supported Raster Image Formats:

Indexed RGB: 1…8 bpp

Sample:

None

Example:

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AT_ERRCOUNT nErrcount; /* Number of errors on stack / HIGDIBINFO hDIB; / DIB info handle / AT_INT nEntries; / Number of palette entries / LPAT_RGBQUAD lpPalette; / Pointer to palette data / AT_INT i; / Index for palette loop / / Make a palette in which every color is GREEN */ nErrcount = IG_DIB_palette_alloc(hDIB); nEntries = IG_DIB_palette_length_get(hDIB); lpPalette = IG_DIB_palette_pointer_get(hDIB); for (i = 0; i < nEntries; i++) { lpPalette[i].rgbRed = lpPalette[i].rgbBlue = 0; lpPalette[i].rgbGreen = 255; }

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AT_ERRCOUNT nErrcount;  /* Number of errors on stack */
HIGDIBINFO hDIB;        /* DIB info handle */
AT_INT nEntries;        /* Number of palette entries */
LPAT_RGBQUAD lpPalette; /* Pointer to palette data */
AT_INT i;               /* Index for palette loop */
/* Make a palette in which every color is GREEN */
nErrcount = IG_DIB_palette_alloc(hDIB);
nEntries = IG_DIB_palette_length_get(hDIB);
lpPalette = IG_DIB_palette_pointer_get(hDIB);
for (i = 0; i < nEntries; i++)
{
        lpPalette[i].rgbRed = lpPalette[i].rgbBlue = 0;
        lpPalette[i].rgbGreen = 255;
}

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