Return an error for zero-size images

src/decoder/image.rs

@@ -97,6 +97,9 @@ impl Image {
 
         let width = tag_reader.require_tag(Tag::ImageWidth)?.into_u32()?;
         let height = tag_reader.require_tag(Tag::ImageLength)?.into_u32()?;
+        if width == 0 || height == 0 {
+            return Err(TiffError::FormatError(TiffFormatError::InconsistentSizesEncountered));
+        }
 
         let photometric_interpretation = tag_reader
             .find_tag(Tag::PhotometricInterpretation)?