public void WorksWithDiscoBuffers <TPixel>(
TestImageProvider <TPixel> provider,
int workingBufferLimitInRows,
int bufferCapacityInRows)
where TPixel : struct, IPixel <TPixel>
{
using Image <TPixel> expected = provider.GetImage();
int width = expected.Width;
Size destSize = expected.Size() / 4;
expected.Mutate(c => c.Resize(destSize, KnownResamplers.Bicubic, false));
// Replace configuration:
provider.Configuration = Configuration.CreateDefaultInstance();
// Note: when AllocatorCapacityInBytes < WorkingBufferSizeHintInBytes,
// ResizeProcessor is expected to use the minimum of the two values, when establishing the working buffer.
provider.LimitAllocatorBufferCapacity().InBytes(width * bufferCapacityInRows * SizeOfVector4);
provider.Configuration.WorkingBufferSizeHintInBytes = width * workingBufferLimitInRows * SizeOfVector4;
using Image <TPixel> actual = provider.GetImage();
actual.Mutate(c => c.Resize(destSize, KnownResamplers.Bicubic, false));
actual.DebugSave(provider, $"{workingBufferLimitInRows}-{bufferCapacityInRows}");
ImageComparer.Exact.VerifySimilarity(expected, actual);
}
public void EncodeGeneratedPatterns <TPixel>(TestImageProvider <TPixel> provider, bool limitAllocationBuffer)
where TPixel : struct, IPixel <TPixel>
{
if (limitAllocationBuffer)
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(100);
}
using (Image <TPixel> image = provider.GetImage())
{
var encoder = new GifEncoder
{
// Use the palette quantizer without dithering to ensure results
// are consistent
Quantizer = new WebSafePaletteQuantizer(new QuantizerOptions {
Dither = null
})
};
// Always save as we need to compare the encoded output.
provider.Utility.SaveTestOutputFile(image, "gif", encoder);
}
// Compare encoded result
string path = provider.Utility.GetTestOutputFileName("gif", null, true);
using (var encoded = Image.Load <Rgba32>(path))
{
encoded.CompareToReferenceOutput(ValidatorComparer, provider, null, "gif");
}
}
public void GifDecoder_DegenerateMemoryRequest_ShouldTranslateTo_ImageFormatException<TPixel>(TestImageProvider<TPixel> provider)
where TPixel : unmanaged, IPixel<TPixel>
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(10);
InvalidImageContentException ex = Assert.Throws<InvalidImageContentException>(() => provider.GetImage(GifDecoder));
Assert.IsType<InvalidMemoryOperationException>(ex.InnerException);
}
public void DangerousGetPixelRowMemory_PixelDataIsCorrect <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(200);
using Image <TPixel> image = provider.GetImage();
for (int y = 0; y < image.Height; y++)
{
// Act:
Memory <TPixel> rowMemoryFromImage = image.DangerousGetPixelRowMemory(y);
Memory <TPixel> rowMemoryFromFrame = image.Frames.RootFrame.DangerousGetPixelRowMemory(y);
Span <TPixel> spanFromImage = rowMemoryFromImage.Span;
Span <TPixel> spanFromFrame = rowMemoryFromFrame.Span;
Assert.Equal(spanFromFrame.Length, spanFromImage.Length);
Assert.True(Unsafe.AreSame(ref spanFromFrame[0], ref spanFromImage[0]));
// Assert:
for (int x = 0; x < image.Width; x++)
{
Assert.Equal(provider.GetExpectedBasicTestPatternPixelAt(x, y), spanFromImage[x]);
}
}
}
public async Task DecodeAsnc_DegenerateMemoryRequest_ShouldTranslateTo_ImageFormatException <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InBytesSqrt(10);
InvalidImageContentException ex = await Assert.ThrowsAsync <InvalidImageContentException>(() => provider.GetImageAsync(JpegDecoder));
this.Output.WriteLine(ex.Message);
Assert.IsType <InvalidMemoryOperationException>(ex.InnerException);
}
public void DegenerateMemoryRequest_ShouldTranslateTo_ImageFormatException <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : struct, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InBytesSqrt(10);
ImageFormatException ex = Assert.Throws <ImageFormatException>(() => provider.GetImage(JpegDecoder));
this.Output.WriteLine(ex.Message);
Assert.IsType <InvalidMemoryOperationException>(ex.InnerException);
}
static void RunTest(string providerDump, string nonContiguousBuffersStr)
{
TestImageProvider <Rgba32> provider = BasicSerializer.Deserialize <TestImageProvider <Rgba32> >(providerDump);
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(100);
using Image <Rgba32> image = provider.GetImage(PngDecoder);
image.DebugSave(provider, testOutputDetails: nonContiguousBuffersStr);
image.CompareToOriginal(provider);
}
public void EncodeBaseline_WorksWithDiscontiguousBuffers <TPixel>(TestImageProvider <TPixel> provider, JpegSubsample subsample)
where TPixel : unmanaged, IPixel <TPixel>
{
ImageComparer comparer = subsample == JpegSubsample.Ratio444
? ImageComparer.TolerantPercentage(0.1f)
: ImageComparer.TolerantPercentage(5f);
provider.LimitAllocatorBufferCapacity().InBytesSqrt(200);
TestJpegEncoderCore(provider, subsample, 100, JpegColorType.YCbCr, comparer);
}
public void GetPixelRowSpan_ShouldReferenceSpanOfMemory <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(200);
using Image <TPixel> image = provider.GetImage();
Memory <TPixel> memory = image.GetPixelRowMemory(image.Height - 1);
Span <TPixel> span = image.GetPixelRowSpan(image.Height - 1);
Assert.True(span == memory.Span);
}
public void TiffEncode_WorksWithDiscontiguousBuffers <TPixel>(TestImageProvider <TPixel> provider, TiffPhotometricInterpretation photometricInterpretation)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(200);
using Image <TPixel> image = provider.GetImage();
var encoder = new TiffEncoder {
PhotometricInterpretation = photometricInterpretation
};
image.DebugSave(provider, encoder);
}
public void OwnedMemory_PixelDataIsCorrect <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(200);
using Image <TPixel> image = provider.GetImage();
// Act:
IMemoryGroup <TPixel> memoryGroup = image.GetPixelMemoryGroup();
// Assert:
VerifyMemoryGroupDataMatchesTestPattern(provider, memoryGroup, image.Size());
}
static void RunTest(string providerDump, string nonContiguousBuffersStr)
{
TestImageProvider <Rgba32> provider = BasicSerializer.Deserialize <TestImageProvider <Rgba32> >(providerDump);
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(100);
using Image <Rgba32> image = provider.GetImage(BmpDecoder);
image.DebugSave(provider, nonContiguousBuffersStr);
if (TestEnvironment.IsWindows)
{
image.CompareToOriginal(provider);
}
}
static void RunTest(string providerDump, string nonContiguousBuffersStr)
{
TestImageProvider <Rgb24> provider =
BasicSerializer.Deserialize <TestImageProvider <Rgb24> >(providerDump);
provider.LimitAllocatorBufferCapacity().InBytesSqrt(200);
using Image <Rgb24> image = provider.GetImage(JpegDecoder);
image.DebugSave(provider, nonContiguousBuffersStr);
provider.Utility.TestName = DecodeProgressiveJpegOutputName;
image.CompareToReferenceOutput(
GetImageComparer(provider),
provider,
appendPixelTypeToFileName: false);
}
public void Encode_WorksWithDiscontiguousBuffers <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(200);
foreach (PngInterlaceMode interlaceMode in InterlaceMode)
{
TestPngEncoderCore(
provider,
PngColorType.Rgb,
PngFilterMethod.Adaptive,
PngBitDepth.Bit8,
interlaceMode,
appendPixelType: true,
appendPngColorType: true);
}
}
static void RunTest(string providerDump, string nonContiguousBuffersStr)
{
TestImageProvider <TPixel> provider = BasicSerializer.Deserialize <TestImageProvider <TPixel> >(providerDump);
if (!string.IsNullOrEmpty(nonContiguousBuffersStr))
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(100);
}
using Image <TPixel> image = provider.GetImage(BmpDecoder);
image.DebugSave(provider, testOutputDetails: nonContiguousBuffersStr);
if (TestEnvironment.IsWindows)
{
image.CompareToOriginal(provider);
}
}
static void RunTest(string providerDump, string nonContiguousBuffersStr)
{
TestImageProvider <TPixel> provider =
BasicSerializer.Deserialize <TestImageProvider <TPixel> >(providerDump);
if (!string.IsNullOrEmpty(nonContiguousBuffersStr))
{
provider.LimitAllocatorBufferCapacity().InPixels(1000 * 8);
}
using Image <TPixel> image = provider.GetImage(JpegDecoder);
image.DebugSave(provider, testOutputDetails: nonContiguousBuffersStr);
provider.Utility.TestName = DecodeBaselineJpegOutputName;
image.CompareToReferenceOutput(
GetImageComparer(provider),
provider,
appendPixelTypeToFileName: false);
}
public void GetPixelRowMemory_PixelDataIsCorrect <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(200);
using Image <TPixel> image = provider.GetImage();
for (int y = 0; y < image.Height; y++)
{
// Act:
Memory <TPixel> rowMemory = image.GetPixelRowMemory(y);
Span <TPixel> span = rowMemory.Span;
// Assert:
for (int x = 0; x < image.Width; x++)
{
Assert.Equal(provider.GetExpectedBasicTestPatternPixelAt(x, y), span[x]);
}
}
}
public void TgaEncoder_WorksWithDiscontiguousBuffers <TPixel>(TestImageProvider <TPixel> provider, TgaBitsPerPixel bitsPerPixel)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(100);
TestTgaEncoderCore(provider, bitsPerPixel, TgaCompression.RunLength);
}
public void Encode_WorksWithDiscontiguousBuffers <TPixel>(TestImageProvider <TPixel> provider, BmpBitsPerPixel bitsPerPixel)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InBytesSqrt(100);
TestBmpEncoderCore(provider, bitsPerPixel);
}