Add support for ImageMagick version 7

Version 7 introduced slight API changes which are handled accordingly.

Legacy version 6 has equivalent support in ODR-PadEnc and there are no
plans to remove support for the next years.

See also #3.

2 files changed, 9 insertions, 1 deletions

diff --git a/src/sls.cpp b/src/sls.cpp
index 9df7824..1111088 100644
--- a/src/sls.cpp
+++ b/src/sls.cpp
@@ -229,7 +229,11 @@ size_t SLSManager::resizeImage(MagickWand* m_wand, unsigned char** blob, const s
             height = height * 320.0 / width;
             width = 320;
         }
+#ifdef HAVE_MAGICKWAND_LEGACY
         MagickResizeImage(m_wand, width, height, LanczosFilter, 1);
+#else
+        MagickResizeImage(m_wand, width, height, LanczosFilter);
+#endif
     }
 
     height = MagickGetImageHeight(m_wand);
diff --git a/src/sls.h b/src/sls.h
index 6dc9d47..0b5fae2 100644
--- a/src/sls.h
+++ b/src/sls.h
@@ -34,7 +34,11 @@
 #include "pad_common.h"
 
 #if HAVE_MAGICKWAND
-#  include <wand/magick_wand.h>
+#  if HAVE_MAGICKWAND_LEGACY
+#    include <wand/magick_wand.h>
+#  else
+#    include <MagickWand/MagickWand.h>
+#  endif
 #endif
 
 #include <sys/stat.h>