[Interest] 回复： Does isGrayscale() can tell whether a color imagecan safely be converted to a grayscale image?

[iMath]

but I think the fact is that  "they could be used to tell whether a color image can safely be converted to a grayscale image."




------------------ 原始邮件 ------------------
发件人: "Constantin Makshin";<cmakshin at gmail.com>;
发送时间: 2014年1月11日(星期六) 下午5:27
收件人: "Qt Interest"<interest at qt-project.org>; 

主题: Re: [Interest] Does isGrayscale() can tell whether a color imagecan safely be converted to a grayscale image?




My opinion is that there's no need for those methods descriptions to duplicate information already provided in the class documentation.
 On Jan 11, 2014 12:27 PM, "iMath" <2281570025 at qq.com> 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 ?

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