From 990c48b80c39b942dac8bb87f16189f52ffb0d8e Mon Sep 17 00:00:00 2001 From: "Liam P. White" Date: Sat, 6 Sep 2014 11:25:51 -0400 Subject: More header cleanup (bzr r13341.1.198) --- src/display/grayscale.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/display/grayscale.cpp') diff --git a/src/display/grayscale.cpp b/src/display/grayscale.cpp index f59cf6d23..3c0031e87 100644 --- a/src/display/grayscale.cpp +++ b/src/display/grayscale.cpp @@ -36,7 +36,7 @@ guint32 process(guint32 rgba) { return process(SP_RGBA32_R_U(rgba), SP_RGBA32_G_U(rgba), SP_RGBA32_B_U(rgba), SP_RGBA32_A_U(rgba)); } -guint32 process(guchar r, guchar g, guchar b, guchar a) { +guint32 process(unsigned char r, unsigned char g, unsigned char b, unsigned char a) { /** To reduce banding in gradients, this calculation is tweaked a bit * by outputing blue+1 or red+1 or both. The luminance is calculated @@ -62,7 +62,7 @@ guint32 process(guchar r, guchar g, guchar b, guchar a) { } } -guchar luminance(guchar r, guchar g, guchar b) { +unsigned char luminance(unsigned char r, unsigned char g, unsigned char b) { guint32 luminance = ( red_factor * r + green_factor * g + blue_factor * b ); -- cgit v1.2.3