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Vector graphics, Text, Page layout


Allows the transparency group for the page to be set. Whenever image are used as masks for other images the page transparency group should be set to ensure consistent results across different versions of PDF viewers.


Windows/Delphi, Windows/ActiveX, Windows/DLL, Mac/Dylib, iOS, Android


CS int32 The color space to use:
1 = RGB
2 = CMYK
Isolate int32 This parameter has no effect and is reserved for future use. It should always be set to 0.
Knockout int32 Indicates whether items added to the page are drawn over each other or "knocked out" of the page. In knockout mode a "hole" is made through existing objects on the page in the shape of the new object. The new object is then drawn against the background.
0 = Do not knockout
1 = Knockout

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