Vendor rawler 0.7.2 unmodified

The crate as crates.io publishes it, minus .cargo-ok, its Cargo.lock and
data/testdata (13 MB of sample files only its own tests read). Not yet
routed through [patch.crates-io]; the next commit is the patch.

third_party/rawler-0.7.2/tests/issues/mod.rs

@@ -0,0 +1,70 @@
+use std::io::Cursor;
+
+use crate::common::check_md5_equal;
+use crate::common::rawdb_file;
+use rawler::dng::convert::ConvertParams;
+use rawler::dng::convert::convert_raw_file;
+use rawler::formats::jfif::Jfif;
+use rawler::rawsource::RawSource;
+use rawler::{analyze::raw_pixels_digest, decoders::RawDecodeParams};
+
+#[test]
+fn dnglab_354_dng_mismatch_tile_dim_vs_ljpeg_sof_dim() -> std::result::Result<(), Box<dyn std::error::Error>> {
+  let path = rawdb_file("issues/dnglab_354/dnglab_354.dng");
+  let digest = raw_pixels_digest(path, &RawDecodeParams::default())?;
+  check_md5_equal(digest, "e5fcd3fd81a3f8e2d9709b92f3b8f546");
+  Ok(())
+}
+
+#[test]
+fn dnglab_366_monochrome_dng_support() -> std::result::Result<(), Box<dyn std::error::Error>> {
+  let path = rawdb_file("issues/dnglab_366/dnglab_366.dng");
+  let digest = raw_pixels_digest(&path, &RawDecodeParams::default())?;
+  check_md5_equal(digest, "f3549fafda97fca90b9993c1278bcd90");
+  let mut dng = Cursor::new(Vec::new());
+  convert_raw_file(&path, &mut dng, &ConvertParams::default())?;
+  Ok(())
+}
+
+#[test]
+fn dnglab_376_canon_crx_craw_qstep_shl_bug() -> std::result::Result<(), Box<dyn std::error::Error>> {
+  {
+    let path = rawdb_file("issues/dnglab_376/Canon_EOS_R6M2_CRAW_ISO_25600.CR3");
+    let digest = raw_pixels_digest(&path, &RawDecodeParams::default())?;
+    check_md5_equal(digest, "66c9fcb6541c90bdfb06d876be5984ec");
+    let mut dng = Cursor::new(Vec::new());
+    convert_raw_file(&path, &mut dng, &ConvertParams::default())?;
+  }
+  {
+    let path = rawdb_file("issues/dnglab_376/_MGC9382.CR3");
+    let digest = raw_pixels_digest(&path, &RawDecodeParams::default())?;
+    check_md5_equal(digest, "aef96546a58e5265fb2f7b9e7498cbd0");
+    let mut dng = Cursor::new(Vec::new());
+    convert_raw_file(&path, &mut dng, &ConvertParams::default())?;
+  }
+  Ok(())
+}
+
+#[test]
+fn dnglab_386_catch_jpeg_exif_tiff_ifd_error() -> std::result::Result<(), Box<dyn std::error::Error>> {
+  let path = rawdb_file("issues/dnglab_386/jpeg_ifd_error.jpg");
+  let rawfile = RawSource::new(&path)?;
+  let jfif = Jfif::new(&rawfile)?;
+  assert!(jfif.exif_ifd().is_none());
+  Ok(())
+}
+
+#[test]
+fn dnglab_477_jpeg_quantization_table_with_zero_value() -> std::result::Result<(), Box<dyn std::error::Error>> {
+  let image = image::open(rawdb_file("issues/dnglab_477/dnglab_477.jpg"))?;
+  let _ = image.to_rgb8();
+  Ok(())
+}
+
+#[test]
+fn dnglab_619_silverfast_scan_missing_illuminant() -> std::result::Result<(), Box<dyn std::error::Error>> {
+  let path = rawdb_file("issues/dnglab_619/silverfast_scan.dng");
+  let mut dng = Cursor::new(Vec::new());
+  convert_raw_file(&path, &mut dng, &ConvertParams::default())?;
+  Ok(())
+}