https://issues.apache.org/ooo/show_bug.cgi?id=122241
Bug ID: 122241
Issue Type: DEFECT
Summary: A set MapMode does not survive a Push/Pop call pair
when mapping is temporarily disabled
Classification: Code
Product: General
Version: AOO400-dev
Hardware: All
OS: All
Status: CONFIRMED
Severity: normal
Priority: P3
Component: code
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
ALG: Push/Pop at OutputDevice is used to secure e.g. MapMode over content
handling. When using PUSH_MAPMODE as flag, the MapMode is to be pushed and
Poped. When during this Push/Pop mapping is temporarily disabled using
EnableMapMode(false), the MapMode will not survive this Push/Pop pair. Exmaple
code:
const bool bWasOn(dev.IsMapModeEnabled());
dev.EnableMapMode(false);
...
dev.Push( PUSH_MAPMODE or nothing );
...
dev.Pop();
...
dev.EnableMapMode(bWasOn);
MapMode will be default (MAP_PIXEL) and empty, mbMap will be false after Pop,
true after last line above, but useless.
This is an even more dangerous trap when Push/Pop is inside a called
sub-routine and it is not obvious why after temporarily disabling the mapping
the MapMode is lost.
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