IG_load_thumbnail

IG_load_thumbnail_W

In This Topic

This function loads a thumbnail (if one exists in the file) from file lpszFileName, and returns the HIGEAR handle of the resulting image to the HIGEAR object pointed to by argument lphIGear.

Declaration:

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AT_ERRCOUNT ACCUAPI IG_load_thumbnail_W( const LPAT_WCHAR lpwszFileName, LPHIGEAR lphIGear );

Arguments:

Name	Type	Description
lpwszFileName	const LPAT_WCHAR	Name of file, specified as a wide string (UTF-16).
lphIGear	LPHIGEAR	Pointer to HIGEAR variable to receive handle.

Return Value:

Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

All pixel formats supported by ImageGear for C and C++.

Sample:

GUI Windows

Example:

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HIGEAR hIGear = 0; //handle for thumbnail AT_ERRCOUNT nErrcount; // to test for errors // Load image, and obtain its HIGEAR handle: nErrcount = IG_load_thumbnail_W(L"picture.bmp", &hIGear); //... // Destroy the image if(IG_image_is_valid(hIGear)) { IG_image_delete(hIGear); }

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HIGEAR hIGear = 0;        //handle for thumbnail
AT_ERRCOUNT nErrcount;    // to test for errors

// Load image, and obtain its HIGEAR handle:
nErrcount = IG_load_thumbnail_W(L"picture.bmp", &hIGear); 
//...

// Destroy the image
if(IG_image_is_valid(hIGear))
{
    IG_image_delete(hIGear);
}

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