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旧 2009-05-06, 08:14 PM   #1
yang686526
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默认 【转帖】oddbsystemservices

oddbsystemservices
oddbsystemservices
how many of the members of this do i need to provide implementations of (in a derived class) which don't return null pointers, etc. i don't require rendering, just access to the data in a dwg file and conversion of a dxf file to a dwg file. i've tried making members such as loadrasterimage return null pointers, and as far as i can tell it's working fine (although the vectors set by oddbrasterimage::getorientation seem to be pre-multiplied by the image size which i hadn't expected).
i'm starting from the example code, but am trying to cut it down to what i need.
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