Variants handling

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Detailed Description

Functions for variants handling.

Functions
gxi32	gx_imagetovariant (gxHANDLE handle, gxIMAGE *source, gxi32 varid, gxVARIANT *target)
	Embedds an image into a variant.
gxi32	gx_imagefromvariant (gxHANDLE handle, gxIMAGE **target, gxVARIANT source)
	Loads an embedded image from a variant.
gxi32	gx_imagetovariant (gxIMAGE *source, gxi32 varid, gxVARIANT *target)
	Embedds an image into a variant.
gxi32	gx_imagefromvariant (gxIMAGE **target, gxVARIANT source)
	Loads an embedded image from a variant.

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Function Documentation

gxi32 gx_imagetovariant	(	gxHANDLE	handle,
		gxIMAGE *	source,
		gxi32	varid,
		gxVARIANT *	target
	)			[inline]

Embedds an image into a variant.

Parameters:

	handle	Handle of the module.
	source	Pointer to the source image.
	varid	The id for the created variant.
	target	Pointer to the initialized destination variant.

Returns:

On error false is returned and the error code/string in the GX system is set appropriately ( see gx_geterror() ).

References gx_call().

Referenced by gx_imagetovariant(), and gxImage::ToVariant().

gxi32 gx_imagefromvariant	(	gxHANDLE	handle,
		gxIMAGE **	target,
		gxVARIANT	source
	)			[inline]

Loads an embedded image from a variant.

Parameters:

	handle	Handle of the module.
	target	Pointer to the initialized destination image.
	source	Variant with an embedded image.

Returns:

On error false is returned and the error code/string in the GX system is set appropriately ( see gx_geterror() ).

References gx_call().

Referenced by gxImage::FromVariant(), and gx_imagefromvariant().

gxi32 gx_imagetovariant	(	gxIMAGE *	source,
		gxi32	varid,
		gxVARIANT *	target
	)			[inline]

Embedds an image into a variant.

Parameters:

	source	Pointer to the source image.
	varid	The id for the created variant.
	target	Pointer to the initialized destination variant.

Returns:

On error false is returned and the error code/string in the GX system is set appropriately ( see gx_geterror() ).

References gx_direct(), and gx_imagetovariant().

gxi32 gx_imagefromvariant	(	gxIMAGE **	target,
		gxVARIANT	source
	)			[inline]

Loads an embedded image from a variant.

Parameters:

	target	Pointer to the initialized destination image.
	source	Variant with an embedded image.

Returns:

On error false is returned and the error code/string in the GX system is set appropriately ( see gx_geterror() ).

References gx_direct(), and gx_imagefromvariant().