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✨ add HEIF support #405

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Merged
ianardee merged 2 commits into from
Jun 16, 2026
Merged

✨ add HEIF support #405

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427b486
:sparkles: add HEIF support
ianardee Jun 16, 2026
1b2469f
better testing
ianardee Jun 16, 2026
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2 changes: 1 addition & 1 deletion src/Mindee/Input/LocalInputSource.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ public sealed class LocalInputSource : InputSource
{
private static readonly string[] AuthorizedFileExtensions =
[
".heic", ".jpg", ".jpga", ".jpeg", ".pdf", ".png", ".tiff", ".tif", ".webp"
".heic", ".heif", ".jpg", ".jpga", ".jpeg", ".pdf", ".png", ".tiff", ".tif", ".webp"
];

private DocNetApi _pdfOperation;
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101 changes: 64 additions & 37 deletions tests/Mindee.UnitTests/Input/LocalInputSourceTest.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,25 +12,21 @@ namespace Mindee.UnitTests.Input
[Collection("Docnet")]
public class LocalInputSourceTest
{
[Fact]
public void Can_Load_Type_ImageFiles()
[Theory]
[InlineData("heic")]
[InlineData("heif")]
[InlineData("jpg")]
[InlineData("jpga")]
[InlineData("png")]
[InlineData("tif")]
[InlineData("tiff")]
[InlineData("webp")]
public void Can_Load_Type_ImageFiles(string extension)
{
List<string> imageExtensions = new()
{
".heic",
".jpg",
".jpga",
".png",
".tif",
".tiff",
".webp"
};
foreach (var extension in imageExtensions)
{
var inputSource = new LocalInputSource(Constants.RootDir + "file_types/receipt" + extension);
Assert.True(inputSource.IsExtensionValid());
Assert.False(inputSource.IsPdf());
}
var inputSource = new LocalInputSource(Constants.RootDir + $"file_types/receipt.{extension}");
Assert.True(inputSource.IsExtensionValid());
Assert.False(inputSource.IsPdf());
Assert.Equal(1, inputSource.GetPageCount());
}

[Fact]
Expand All @@ -48,29 +44,52 @@ public void DoesNot_Load_InvalidFile()
new LocalInputSource(Constants.RootDir + "file_types/receipt.txt"));
}

[Fact]
public void Can_Load_Using_FileInfo()
[Theory]
[InlineData("heic")]
[InlineData("heif")]
[InlineData("jpg")]
[InlineData("jpga")]
[InlineData("png")]
[InlineData("tif")]
[InlineData("tiff")]
[InlineData("webp")]
public void Can_Load_Using_FileInfo(string extension)
{
var fileInfo = new FileInfo(Constants.RootDir + "file_types/receipt.jpg");
var fileInfo = new FileInfo(Constants.RootDir + $"file_types/receipt.{extension}");
Assert.IsType<LocalInputSource>(new LocalInputSource(fileInfo));
}

[Fact]
public void Can_Load_Using_FileStream()
[Theory]
[InlineData("heic")]
[InlineData("heif")]
[InlineData("jpg")]
[InlineData("jpga")]
[InlineData("png")]
[InlineData("tif")]
[InlineData("tiff")]
[InlineData("webp")]
public void Can_Load_Using_FileStream(string extension)
{
Stream fileStream = File.OpenRead(Constants.RootDir + "file_types/receipt.jpg");
Assert.IsType<LocalInputSource>(new LocalInputSource(fileStream, "receipt.jpg"));
Stream fileStream = File.OpenRead(Constants.RootDir + $"file_types/receipt.{extension}");
Assert.IsType<LocalInputSource>(new LocalInputSource(fileStream, $"receipt.{extension}"));
}

[Fact]
public void Can_Load_Using_MemoryStream()
[Theory]
[InlineData("heic")]
[InlineData("heif")]
[InlineData("jpg")]
[InlineData("jpga")]
[InlineData("png")]
[InlineData("tif")]
[InlineData("tiff")]
[InlineData("webp")]
public void Can_Load_Using_MemoryStream(string extension)
{
var fileBytes = File.ReadAllBytes(Constants.RootDir + "file_types/receipt.jpg");
var fileBytes = File.ReadAllBytes(Constants.RootDir + $"file_types/receipt.{extension}");
var memoryStream = new MemoryStream(fileBytes);
Assert.IsType<LocalInputSource>(new LocalInputSource(memoryStream, "receipt.jpg"));
Assert.IsType<LocalInputSource>(new LocalInputSource(memoryStream, $"receipt.{extension}"));
}


[Fact]
public void Can_Load_Using_Base64()
{
Expand All @@ -97,15 +116,23 @@ public void PDF_Input_Has_Text()
Assert.False(hasNoSourceTextSinceItsImage.HasSourceText());
}

[Fact]
public void Image_Quality_Compress_From_Input_Source()
[Theory]
// Not all extensions work!
[InlineData("heif")]
[InlineData("jpg")]
[InlineData("jpga")]
[InlineData("png")]
[InlineData("webp")]
public void Image_Quality_Compress_From_Input_Source(string extension)
{
var receiptInput = new LocalInputSource(Constants.RootDir + "file_types/receipt.jpg");
var receiptInput = new LocalInputSource(Constants.RootDir + $"file_types/receipt.{extension}");
receiptInput.Compress(40);
File.WriteAllBytes("Resources/output/compress_indirect.jpg", receiptInput.FileBytes);
Assert.True(true);
var initialFileInfo = new FileInfo(Constants.RootDir + "file_types/receipt.jpg");
var renderedFileInfo = new FileInfo("Resources/output/compress_indirect.jpg");

File.WriteAllBytes($"Resources/output/compress_indirect.{extension}", receiptInput.FileBytes);

var initialFileInfo = new FileInfo(Constants.RootDir + $"file_types/receipt.{extension}");
var renderedFileInfo = new FileInfo($"Resources/output/compress_indirect.{extension}");

Assert.True(renderedFileInfo.Length < initialFileInfo.Length);
}

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2 changes: 1 addition & 1 deletion tests/resources
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Submodule resources updated 2 files
+ − file_types/receipt.heif
+ − file_types/receipt.jpg.heif
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