https://github.com/ImageMagick/ImageMagick/pull/2195

Author: Cristy

magick/annotate.c

@@ -324,8 +324,10 @@ MagickExport MagickBooleanType AnnotateImage(Image *image,
     (void) CloneString(&annotate->text,textlist[i]);
     if ((metrics.width == 0) || (annotate->gravity != NorthWestGravity))
       (void) GetTypeMetrics(image,annotate,&metrics);
-    height=(ssize_t) (metrics.ascent-metrics.descent+
-      draw_info->interline_spacing+0.5);
+    height=(size_t) floor(metrics.ascent-metrics.descent+0.5);
+    if (height == 0)
+      height=draw_info->pointsize;
+    height+=(size_t) floor(draw_info->interline_spacing+0.5);
     switch (annotate->gravity)
     {
       case UndefinedGravity:

magick/draw.c

@@ -5781,7 +5781,6 @@ MagickExport void GetDrawInfo(const ImageInfo *image_info,DrawInfo *draw_info)
   draw_info->pointsize=12.0;
   if (fabs(clone_info->pointsize) >= MagickEpsilon)
     draw_info->pointsize=clone_info->pointsize;
-  draw_info->interline_spacing=draw_info->pointsize;
   draw_info->undercolor.opacity=(Quantum) TransparentOpacity;
   draw_info->border_color=clone_info->border_color;
   draw_info->compose=OverCompositeOp;