# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1610554422 -3600
# Node ID 19e8540064d83ce531566ca2a88692d62e3dda17
# Parent  5e6b5fef92f813183284a7c23952ffc83f09b3d1
ImageProcessing::Set(image, r, g, b, a) applicable to grayscale images

diff -r 5e6b5fef92f8 -r 19e8540064d8 OrthancFramework/Sources/Images/ImageProcessing.cpp
--- a/OrthancFramework/Sources/Images/ImageProcessing.cpp	Wed Jan 13 10:32:34 2021 +0100
+++ b/OrthancFramework/Sources/Images/ImageProcessing.cpp	Wed Jan 13 17:13:42 2021 +0100
@@ -1080,6 +1080,16 @@
 
     switch (image.GetFormat())
     {
+      case PixelFormat_Grayscale8:
+      {
+        // New in Orthanc 1.9.0
+        uint8_t grayscale = (2126 * static_cast<uint16_t>(red) + 
+                             7152 * static_cast<uint16_t>(green) +
+                             0722 * static_cast<uint16_t>(blue)) / 10000;
+        Orthanc::ImageProcessing::Set(image, grayscale);
+        break;
+      }
+      
       case PixelFormat_RGBA32:
         p[0] = red;
         p[1] = green;