This function builds the result palette.
Copy Code
|
|
---|---|
AT_ERRCOUNT ACCUAPI IG_colorspace_conversion_result_palette_get( HIGCSCONVERTER hCSConverter, AT_RGBQUAD* palette, AT_INT* paletteLength ); |
Name | Type | Description |
---|---|---|
hCSConverter | HIGCSCONVERTER | Handle of color space converter. |
palette | AT_RGBQUAD* | Array of palette entries. |
paletteLength | AT_INT* | Number of palette entries. |
Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.
All pixel formats supported by ImageGear for C and C++.
None
Copy Code
|
|
---|---|
/* Use the color space converter to convert an image to 8-bit indexed, no alpha or extra channels */ AT_ERRCOUNT nErrcount; /* Number of errors on stack */ HIGCSCONVERTER hCSConv; /* Color space converter handle */ HIGEAR hImage; /* HIGEAR handle of image */ AT_INT depths[] = {8}; /* Result channel depths */ AT_RGBQUAD pal[256]; /* Result palette */ AT_INT nEntries; /* # of palette entries */ nErrcount = IG_colorspace_conversion_create_from_image( hImage, IG_COLOR_SPACE_ID_I, depths, 1, NULL, &hCSConv); nErrcount = IG_colorspace_conversion_apply_to_image( hCSConv, hImage); nErrcount = IG_colorspace_conversion_result_palette_get( hCSConv, pal, &nEntries); nErrcount = IG_colorspace_conversion_destroy(hCSConv); |
If the resultant color space is indexed, paletteLength will be filled with the quantity of palette entries.