https://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=29701

diff --git a/MagickCore/annotate.c b/MagickCore/annotate.c
index 60c8fd051de45e4cbf08cb43031d943b67cbc9d7..bf85a373a845d852a6e6fdea1ac870ff0b69b313 100644 (file)
--- a/MagickCore/annotate.c
+++ b/MagickCore/annotate.c
@@ -407,12 +407,12 @@ MagickExport MagickBooleanType AnnotateImage(Image *image,
           geometry.width/2.0+i*annotate_info->affine.ry*height-
           annotate_info->affine.sx*(metrics.width+metrics.bounds.x1)/2.0+
           annotate_info->affine.ry*(metrics.ascent+metrics.descent-
-          (number_lines-1)*height)/2.0;
+          (number_lines-1.0)*height)/2.0;
         offset.y=(geometry.height == 0 ? -1.0 : 1.0)*annotate_info->affine.ty+
           geometry.height/2.0+i*annotate_info->affine.sy*height-
           annotate_info->affine.rx*(metrics.width+metrics.bounds.x1)/2.0+
           annotate_info->affine.sy*(metrics.ascent+metrics.descent-
-          (number_lines-1.0)*height)/2.0;
+          (number_lines-1.0)*height)/2.0+metrics.descent/2.0;
         break;
       }
       case EastGravity: