Change error kind

src/decoder/image.rs

@@ -99,7 +99,7 @@ impl Image {
         let height = tag_reader.require_tag(Tag::ImageLength)?.into_u32()?;
         if width == 0 || height == 0 {
             return Err(TiffError::FormatError(
-                TiffFormatError::InconsistentSizesEncountered,
+                TiffFormatError::InvalidDimensions(width, height),
             ));
         }
 

src/encoder/mod.rs

@@ -352,7 +352,7 @@ impl<'a, W: 'a + Write + Seek, T: ColorType, K: TiffKind, D: Compression>
     ) -> TiffResult<Self> {
         if width == 0 || height == 0 {
             return Err(TiffError::FormatError(
-                TiffFormatError::InconsistentSizesEncountered,
+                TiffFormatError::InvalidDimensions(width, height),
             ));
         }
 

src/error.rs

@@ -56,6 +56,7 @@ pub enum TiffFormatError {
         actual_samples: usize,
         required_samples: usize,
     },
+    InvalidDimensions(u32, u32),
     InvalidTag,
     InvalidTagValueType(Tag),
     RequiredTagNotFound(Tag),
@@ -100,6 +101,7 @@ impl fmt::Display for TiffFormatError {
                     actual_samples, required_samples
                 )
             }
+            InvalidDimensions(width, height) => write!(fmt, "Invalid dimensions: {}x{}.", width, height),
             InvalidTag => write!(fmt, "Image contains invalid tag."),
             InvalidTagValueType(ref tag) => {
                 write!(fmt, "Tag `{:?}` did not have the expected value type.", tag)