An Image Decoding plug-in is simply a DLL with the file extension .APL. This DLL must export seven functions, as outlined below. After the plug-in is compiled, it must be placed in a host application-designated plug-in directory where the host application will detect and load it. NOTE: More than one image format can be included in one Image Decoding plug-in. Refer to ID_GetPlugInInfo for more information. |
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Required Functions: |
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Additionally, the plug-in may export other optional functions. |
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Optional Functions: |
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