From: dirk <dirk@git.imagemagick.org>
Date: Sun, 8 Feb 2015 13:12:27 +0000 (+0000)
Subject: Fixed setting the gamma for each channel instead of only the red one.
X-Git-Tag: 7.0.1-0~1316
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7e2bdfa8375d6f4c069730085aa5e18b31b6ac62;p=imagemagick

Fixed setting the gamma for each channel instead of only the red one.
---

diff --git a/Magick++/lib/Image.cpp b/Magick++/lib/Image.cpp
index c09757d28..3afa2e036 100644
--- a/Magick++/lib/Image.cpp
+++ b/Magick++/lib/Image.cpp
@@ -3104,15 +3104,15 @@ void Magick::Image::gamma(const double gamma_)
 void Magick::Image::gamma(const double gammaRed_,const double gammaGreen_,
   const double gammaBlue_)
 {
-  char
-    gamma[MaxTextExtent + 1];
-
-  FormatLocaleString(gamma,MaxTextExtent,"%3.6f/%3.6f/%3.6f/",gammaRed_,
-    gammaGreen_,gammaBlue_);
-
   modifyImage();
   GetPPException;
-  GammaImage(image(),atof(gamma),exceptionInfo);
+  GetAndSetPPChannelMask(RedChannel);
+  (void) GammaImage(image(),gammaRed_,exceptionInfo);
+  SetPPChannelMask(GreenChannel);
+  (void) GammaImage(image(),gammaGreen_,exceptionInfo);
+  SetPPChannelMask(BlueChannel);
+  (void) GammaImage(image(),gammaBlue_,exceptionInfo);
+  RestorePPChannelMask;
   ThrowImageException;
 }