Section =PREVIEW= (File Sections) Changed in Version 2017.1

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MKD Syntax

The section =PREVIEW= contains a preview bitmap of the drawing. The default size is MKI_DRAWING_PREVIEW_SIZE by MKI_DRAWING_PREVIEW_SIZE pixels, 24 bits PNG, JPEG or BMP file. We recommend using antialiased PNG files.

 

=PREVIEW=;

PreviewSize;

PreviewDataSize[0],PreviewData[0];

              ...

PreviewDataSize[n],PreviewData[n];

=END=;

 

Element Description

PreviewSize

[__int32] Size of the preview bitmap in bytes.

PreviewDataSize[x]

[__int32] Number of bytes in the following binary data string. Valid range is 1 to MKI_BYTES_PER_BINARY inclusive.

PreviewData[x]

[BINARY] Binary string containing the bitmap data. The string may contain up to BitmapDataSize[x] bytes of data. If it contains less data, the resulting bytes are to be set to zero.

 

If the section =PREVIEW= does not exist, the drawing does not contain a preview.

 

If existing, this section must be located at the beginning of the drawing file directly behind the =DRAWING= section, or it will not be found!

 

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