changeset 2252:002b94046c69

colorspace conversion from BGRA32 to RGB24
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 20 Jan 2017 13:14:30 +0100
parents d623bff7edab
children 441352e7a9d1
files Core/Images/ImageProcessing.cpp
diffstat 1 files changed, 20 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/Core/Images/ImageProcessing.cpp	Fri Jan 20 10:43:50 2017 +0100
+++ b/Core/Images/ImageProcessing.cpp	Fri Jan 20 13:14:30 2017 +0100
@@ -458,6 +458,26 @@
       return;
     }
 
+    if (target.GetFormat() == PixelFormat_RGB24 &&
+        source.GetFormat() == PixelFormat_BGRA32)
+    {
+      for (unsigned int y = 0; y < source.GetHeight(); y++)
+      {
+        const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y));
+        uint8_t* q = reinterpret_cast<uint8_t*>(target.GetRow(y));
+        for (unsigned int x = 0; x < source.GetWidth(); x++)
+        {
+          q[0] = p[2];
+          q[1] = p[1];
+          q[2] = p[0];
+          p += 4;
+          q += 3;
+        }
+      }
+
+      return;
+    }
+
     if (target.GetFormat() == PixelFormat_RGBA32 &&
         source.GetFormat() == PixelFormat_RGB24)
     {