Enhanced metafile file format

You can think of the picture stored in an enhanced metafile as a "snapshot" of the video display taken at a particular moment. This "snapshot" maintains its dimensions no matter where it appears on a printer, a plotter, the desktop, or in the client area of any application. You can use enhanced metafiles to store a picture created by using the GDI functions including new path and transformation functions.

Version 1 : The second version of EMF improved the flexibility and device independence by adding the record for pixel format and provision to use OpenGL command. Version 2 : The third version enhanced the accuracy by adding the Metric system to measure the device surface distances, leaving the record more scalable. Enhanced Metafile Records Metafile records are arranged in the form of array. Enhanced Metafile Operations Following are jobs that can be accomplished using the handle to an enhanced metafile.

Display and edit for the stored picture. Produce enhanced metafile copies. Retrieve the copy of an EMF header, optional description and binary version of an enhanced metafile Recapitulate the colors in the palette. Graphics Objects In drawing and painting operations, graphics objects can be created by object creation records and can save for further use.

Byte Ordering Little-endian format is used to store data in metafile records. Versioning The EMF file format has been revised twice. You can also distribute in your implementation, with or without modification, any schemas, IDLs, or code samples that are included in the documentation.

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