Renamed IsImageGray to SetImageGray and IsImageMonochrome to SetImageMonochrome since they change the type of the image.
Added new IsImageGray and IsImageMonochrome that only check if the image is gray or monochrome.
diff --git a/coders/json.c b/coders/json.c
index d81a7d1..37b919d 100644
--- a/coders/json.c
+++ b/coders/json.c
@@ -618,7 +618,7 @@
if (channel_statistics == (ChannelStatistics *) NULL)
return(MagickFalse);
colorspace=image->colorspace;
- if (IsImageGray(image,exception) != MagickFalse)
+ if (SetImageGray(image,exception) != MagickFalse)
colorspace=GRAYColorspace;
(void) FormatLocaleFile(file,"Channel %s locations:\n",locate);
switch (colorspace)
@@ -702,7 +702,7 @@
(void) FormatLocaleFile(file," Depth: %.20g/%.20g-bit\n",(double)
image->depth,(double) depth);
(void) FormatLocaleFile(file," Channel depth:\n");
- if (IsImageGray(image,exception) != MagickFalse)
+ if (SetImageGray(image,exception) != MagickFalse)
colorspace=GRAYColorspace;
switch (colorspace)
{