IsSigned property (ILEADRaster)
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VARIANT_BOOL IsSigned; | |
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Overview |
Refer to Examining and Altering Bitmaps |
Remarks
Indicates whether the bitmap currently loaded in the object contains signed data. This property is valid only if the object contains a bitmap. Possible values are:
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Value |
Meaning |
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TRUE |
The bitmap data is signed. |
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FALSE |
The bitmap data is not signed. |
If this property is TRUE, the signed bitmap data should be converted to unsigned using the ConvertSignedToUnsigned method. If the bitmap data is signed, image processing and the paint functionality may not work correctly. Currently, only TIF files contain signed data. A bitmap with signed data will not be loaded unless the LoadSigned property is set to TRUE before loading the image.
If this property is FALSE, no further processing is needed.
Support for 12 and 16-bit grayscale images are only available in the Document/Medical toolkits.
See Also
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