I would presume that if an image only contains gray colors, it can be safely converted to a grayscale image. Since allGray() and isGrayscale()indicate the former, that would also mean they indicate the latter.
-- Sean Fisk On Sun, Jan 12, 2014 at 6:21 AM, iMath <[email protected]> wrote: > In the Image Formats part of QImage doc says > " > The allGray() and isGrayscale() functions tell whether a color image can > safely be converted to a grayscale image. > " > but in the doc of there 2 functions indicate they're used to decide > whether an image is grayscale image ,not mentioned they could be used to > tell whether a color image can safely be converted to a grayscale image. > > what about your opinion ? > > _______________________________________________ > PySide mailing list > [email protected] > http://lists.qt-project.org/mailman/listinfo/pyside > >
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