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Changed behaviour of wxImageResizeQuality parameter in wxImage.Scale and wxImage.Rescale.

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Made the following changes:

* Formerly specifying to resize using wxIMAGE_QUALITY_BICUBIC or wxIMAGE_QUALITY_BILINEAR could result in the ResampleBox method being used. Now always resize with the method that the user actually specified.

* Added wxIMAGE_QUALITY_BOX_AVERAGE to explicitly allow resizing with the ResampleBox method.

* Previously wxIMAGE_QUALITY_HIGH was equal to wxIMAGE_QUALITY_BICUBIC. It has been changed to use wxIMAGE_QUALITY_BOX_AVERAGE when reducing the size of an image and wxIMAGE_QUALITY_BICUBIC in all other cases.

Closes #12845.



git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67203 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Dimitri Schoolwerth
2011-03-15 16:42:34 +00:00
parent 41774f1b20
commit fdb7d5bbc2
3 changed files with 38 additions and 18 deletions
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3
include/wx/image.h
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@@ -62,12 +62,13 @@ enum wxImageResizeQuality
wxIMAGE_QUALITY_NEAREST = 0,
wxIMAGE_QUALITY_BILINEAR = 1,
wxIMAGE_QUALITY_BICUBIC = 2,
wxIMAGE_QUALITY_BOX_AVERAGE = 3,
// default quality is low (but fast)
wxIMAGE_QUALITY_NORMAL = wxIMAGE_QUALITY_NEAREST,
// highest (but best) quality
wxIMAGE_QUALITY_HIGH = wxIMAGE_QUALITY_BICUBIC
wxIMAGE_QUALITY_HIGH
};
// alpha channel values: fully transparent, default threshold separating