如何实现用C深褐色调与原生开发套件(NDK)? [英] How to implement Sepia tone in C with Native Development Kit (NDK)?
问题描述
请,有人可以告诉我,我怎么能实现C语言深褐色调?在我的项目从来就得到了落实code与Android NDK。从来就发现了一些例子,我必须code这一点:
Please, someone could tell me How can I implement Sepia tone in Language C?, In my project I´ve got to implement the code with Android NDK. I´ve found some examples and I must code with this:
outputRed = (inputRed * .393) + (inputGreen *.769) + (inputBlue * .189)
outputGreen = (inputRed * .349) + (inputGreen *.686) + (inputBlue * .168)
outputBlue = (inputRed * .272) + (inputGreen *.534) + (inputBlue * .131)
在C#褐色色调
http://www.techques.com/question / 1-4141150 /转换位图到棕褐在机器人
我怎么能实现这个code以上,但NDK C,好吗?
我真的AP preciate如果有人能帮助我或者给一些提示。
问候,
卡洛斯
How could I implement this code above, but NDK C, please? I really appreciate if someone can help me or give some tips. Regards, Carlos
推荐答案
简单汇入作业,从来就得到了最终的项目,我需要实现一个Android相机应用程序,所以我需要convertir正常的照片,以棕褐色色调,但在code本地人,这意味着在C.从来就发现了一些例子,但所有我找到的是在C#或ColorMatrix类。有一个例子:
https://bitbucket.org/steven_rudenko/colormatrix
It´s simple, I´ve got a final project and I need to implement a Android Camera app, so I need to convertir normal photo to Sepia tone, but in code native, it means in C. I´ve found some examples, but all that I find is in C# or ColorMatrix Class. There is an example: https://bitbucket.org/steven_rudenko/colormatrix
我需要实现用C褐色色调,而是采用Android NDK。
I need to implement Sepia toning in C, but using Android NDK.
问候,
卡洛斯
Regards, Carlos
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