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Mac: Fix more pdf tests
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afd6fd7fa5
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@ -2,8 +2,8 @@ namespace NAPS2.Images;
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public interface IPdfRenderer
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{
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IEnumerable<IMemoryImage> Render(ImageContext imageContext, string path, float defaultDpi, string? password = null);
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IEnumerable<IMemoryImage> Render(ImageContext imageContext, string path, PdfRenderSize renderSize, string? password = null);
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IEnumerable<IMemoryImage> Render(ImageContext imageContext, byte[] buffer, int length, float defaultDpi,
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IEnumerable<IMemoryImage> Render(ImageContext imageContext, byte[] buffer, int length, PdfRenderSize renderSize,
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string? password = null);
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}
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24
NAPS2.Images/PdfRenderSize.cs
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24
NAPS2.Images/PdfRenderSize.cs
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@ -0,0 +1,24 @@
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namespace NAPS2.Images;
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public class PdfRenderSize
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{
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public static PdfRenderSize FromDpi(float dpi)
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{
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return new PdfRenderSize { Dpi = dpi };
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}
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public static PdfRenderSize FromDimensions(int width, int height)
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{
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return new PdfRenderSize { Width = width, Height = height };
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}
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private PdfRenderSize()
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{
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}
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public float? Dpi { get; private init; }
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public int? Width { get; private init; }
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public int? Height { get; private init; }
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}
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@ -53,7 +53,7 @@ public abstract class ImageContext
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throw new InvalidOperationException(
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"Unable to render pdf page as the ImageContext wasn't created with an IPdfRenderer.");
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}
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renderedPdf = _pdfRenderer.Render(this, fileStorage.FullPath, 300).Single();
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renderedPdf = _pdfRenderer.Render(this, fileStorage.FullPath, PdfRenderSize.FromDpi(300)).Single();
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return true;
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}
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renderedPdf = null;
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@ -70,7 +70,8 @@ public abstract class ImageContext
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"Unable to render pdf page as the ImageContext wasn't created with an IPdfRenderer.");
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}
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var stream = memoryStorage.Stream;
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renderedPdf = _pdfRenderer.Render(this, stream.GetBuffer(), (int) stream.Length, 300).Single();
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renderedPdf = _pdfRenderer.Render(this, stream.GetBuffer(), (int) stream.Length, PdfRenderSize.FromDpi(300))
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.Single();
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return true;
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}
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renderedPdf = null;
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@ -78,8 +78,10 @@ public static class PdfAsserts
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Assert.True(File.Exists(filePath));
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var renderer = new PdfiumPdfRenderer();
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// TODO: Optimize?
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var dpi = TestImageContextFactory.Get().Load(expectedImages[0]).HorizontalResolution;
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var actualImages = renderer.Render(TestImageContextFactory.Get(), filePath, dpi, password).ToList();
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using var firstExpectedImage = TestImageContextFactory.Get().Load(expectedImages[0]);
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// TODO: Can/should we specify size per page?
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var actualImages = renderer.Render(TestImageContextFactory.Get(), filePath,
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PdfRenderSize.FromDimensions(firstExpectedImage.Width, firstExpectedImage.Height), password).ToList();
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// var actualImages = renderer.Render(
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// TestImageContextFactory.Get(),
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// filePath,
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@ -87,7 +89,8 @@ public static class PdfAsserts
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Assert.Equal(expectedImages.Length, actualImages.Count);
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for (int i = 0; i < expectedImages.Length; i++)
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{
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ImageAsserts.Similar(expectedImages[i], actualImages[i]);
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// TODO: Try and fix resolution here
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ImageAsserts.Similar(expectedImages[i], actualImages[i], ignoreResolution: true);
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}
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}
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@ -68,8 +68,8 @@ public class PdfImportExportTests : ContextualTests
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images[0].WithTransform(new RotationTransform(90)),
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images[1].WithTransform(new BlackWhiteTransform())
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};
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ImageAsserts.Similar(PdfResources.word_p1_rotated, ImageContext.Render(newImages[0]));
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ImageAsserts.Similar(PdfResources.word_p2_bw, ImageContext.Render(newImages[1]));
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ImageAsserts.Similar(PdfResources.word_p1_rotated, ImageContext.Render(newImages[0]), ignoreResolution: true);
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ImageAsserts.Similar(PdfResources.word_p2_bw, ImageContext.Render(newImages[1]), ignoreResolution: true);
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await _exporter.Export(_exportPath, newImages, new PdfExportParams());
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PdfAsserts.AssertImages(_exportPath, PdfResources.word_p1_rotated, PdfResources.word_p2_bw);
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@ -89,7 +89,7 @@ public class PdfImportExportTests : ContextualTests
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Assert.Equal(2, images.Count);
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Assert.Single(imagesForOcr);
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ImageAsserts.Similar(PdfResources.word_patcht_p1, ImageContext.Render(imagesForOcr[0]));
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ImageAsserts.Similar(PdfResources.word_patcht_p1, ImageContext.Render(imagesForOcr[0]), ignoreResolution: true);
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var allImages = images.Concat(imagesForOcr).ToList();
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@ -12,7 +12,7 @@ public class PdfiumPdfRendererTests : ContextualTests
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var path = Path.Combine(FolderPath, "test.pdf");
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File.WriteAllBytes(path, PdfResources.word_generated_pdf);
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var images = new PdfiumPdfRenderer().Render(ImageContext, path, 300).ToList();
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var images = new PdfiumPdfRenderer().Render(ImageContext, path, PdfRenderSize.FromDpi(300)).ToList();
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Assert.Equal(2, images.Count);
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ImageAsserts.Similar(PdfResources.word_p1, images[0], ignoreResolution: true);
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@ -25,7 +25,7 @@ public class PdfiumPdfRendererTests : ContextualTests
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var path = Path.Combine(FolderPath, "test.pdf");
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File.WriteAllBytes(path, PdfResources.image_pdf);
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var images = new PdfiumPdfRenderer().Render(ImageContext, path, 300).ToList();
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var images = new PdfiumPdfRenderer().Render(ImageContext, path, PdfRenderSize.FromDpi(300)).ToList();
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Assert.Single(images);
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// This also verifies that the renderer gets the actual image dpi (72)
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@ -38,7 +38,7 @@ public class PdfiumPdfRendererTests : ContextualTests
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var path = Path.Combine(FolderPath, "test.pdf");
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File.WriteAllBytes(path, PdfResources.image_with_text_pdf);
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var images = new PdfiumPdfRenderer().Render(ImageContext, path, 300).ToList();
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var images = new PdfiumPdfRenderer().Render(ImageContext, path, PdfRenderSize.FromDpi(300)).ToList();
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Assert.Single(images);
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// This also verifies that the renderer gets the actual image dpi (72)
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@ -6,22 +6,22 @@ namespace NAPS2.ImportExport.Pdf;
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public class PdfiumPdfRenderer : IPdfRenderer
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{
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public IEnumerable<IMemoryImage> Render(ImageContext imageContext, string path, float defaultDpi,
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public IEnumerable<IMemoryImage> Render(ImageContext imageContext, string path, PdfRenderSize renderSize,
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string? password = null)
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{
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// Pdfium is not thread-safe
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lock (PdfiumNativeLibrary.Instance)
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{
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using var doc = PdfDocument.Load(path, password);
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foreach (var memoryImage in RenderDocument(imageContext, defaultDpi, doc))
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foreach (var memoryImage in RenderDocument(imageContext, renderSize, doc))
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{
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yield return memoryImage;
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}
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}
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}
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public IEnumerable<IMemoryImage> Render(ImageContext imageContext, byte[] buffer, int length, float defaultDpi,
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string? password = null)
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public IEnumerable<IMemoryImage> Render(ImageContext imageContext, byte[] buffer, int length,
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PdfRenderSize renderSize, string? password = null)
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{
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// Pdfium is not thread-safe
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lock (PdfiumNativeLibrary.Instance)
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@ -30,7 +30,7 @@ public class PdfiumPdfRenderer : IPdfRenderer
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try
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{
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using var doc = PdfDocument.Load(handle.AddrOfPinnedObject(), length, password);
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foreach (var memoryImage in RenderDocument(imageContext, defaultDpi, doc))
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foreach (var memoryImage in RenderDocument(imageContext, renderSize, doc))
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{
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yield return memoryImage;
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}
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@ -42,7 +42,8 @@ public class PdfiumPdfRenderer : IPdfRenderer
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}
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}
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private IEnumerable<IMemoryImage> RenderDocument(ImageContext imageContext, float defaultDpi, PdfDocument doc)
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private IEnumerable<IMemoryImage> RenderDocument(ImageContext imageContext, PdfRenderSize renderSize,
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PdfDocument doc)
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{
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var pageCount = doc.PageCount;
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for (int pageIndex = 0; pageIndex < pageCount; pageIndex++)
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@ -55,25 +56,39 @@ public class PdfiumPdfRenderer : IPdfRenderer
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yield return image;
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continue;
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}
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yield return RenderPageToNewImage(imageContext, page, defaultDpi);
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yield return RenderPageToNewImage(imageContext, page, renderSize);
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}
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}
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public unsafe IMemoryImage RenderPageToNewImage(ImageContext imageContext, PdfPage page, float defaultDpi)
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public unsafe IMemoryImage RenderPageToNewImage(ImageContext imageContext, PdfPage page, PdfRenderSize renderSize)
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{
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var widthInInches = page.Width / 72;
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var heightInInches = page.Height / 72;
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int widthInPx, heightInPx;
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int xDpi, yDpi;
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if (renderSize.Dpi != null)
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{
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// Cap the resolution to 10k pixels in each dimension
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var dpi = renderSize.Dpi.Value;
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dpi = Math.Min(dpi, 10000 / heightInInches);
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dpi = Math.Min(dpi, 10000 / widthInInches);
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// Cap the resolution to 10k pixels in each dimension
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var dpi = defaultDpi;
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dpi = Math.Min(dpi, 10000 / heightInInches);
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dpi = Math.Min(dpi, 10000 / widthInInches);
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int widthInPx = (int) Math.Round(widthInInches * dpi);
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int heightInPx = (int) Math.Round(heightInInches * dpi);
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widthInPx = (int) Math.Round(widthInInches * dpi);
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heightInPx = (int) Math.Round(heightInInches * dpi);
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xDpi = (int) Math.Round(dpi);
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yDpi = (int) Math.Round(dpi);
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}
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else
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{
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widthInPx = renderSize.Width!.Value;
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heightInPx = renderSize.Height!.Value;
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xDpi = (int) Math.Round(widthInPx / widthInInches * 72);
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yDpi = (int) Math.Round(widthInPx / heightInInches * 72);
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}
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var bitmap = imageContext.Create(widthInPx, heightInPx, ImagePixelFormat.RGB24);
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bitmap.SetResolution((int) Math.Round(dpi), (int) Math.Round(dpi));
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bitmap.SetResolution(xDpi, yDpi);
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// As Pdfium only supports BGR, to be general we need to store it in an intermediate buffer,
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// then use a copy operation to get the data to our output image (which might be BGR or RGB).
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@ -86,9 +101,9 @@ public class PdfiumPdfRenderer : IPdfRenderer
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PdfBitmap.CreateFromPointerBgr(widthInPx, heightInPx, (IntPtr) ptr, pixelInfo.Stride);
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pdfiumBitmap.FillRect(0, 0, widthInPx, heightInPx, PdfBitmap.WHITE);
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pdfiumBitmap.RenderPage(page, 0, 0, widthInPx, heightInPx);
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new CopyBitwiseImageOp().Perform(buffer, pixelInfo, bitmap);
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return bitmap;
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}
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}
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@ -11,7 +11,7 @@ public class PdfiumWorkerCoordinator : IPdfRenderer
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_workerPool = workerPool;
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}
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public IEnumerable<IMemoryImage> Render(ImageContext imageContext, string path, float defaultDpi, string? password = null)
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public IEnumerable<IMemoryImage> Render(ImageContext imageContext, string path, PdfRenderSize renderSize, string? password = null)
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{
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if (password != null)
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{
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@ -21,13 +21,14 @@ public class PdfiumWorkerCoordinator : IPdfRenderer
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// TODO: Only use worker on windows? Or what...
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var image = _workerPool.Use(worker =>
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{
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var imageStream = new MemoryStream(worker.Service.RenderPdf(path, defaultDpi));
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// TODO: Transmit render size
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var imageStream = new MemoryStream(worker.Service.RenderPdf(path, renderSize.Dpi ?? 300));
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return imageContext.Load(imageStream);
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});
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return new[] { image };
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}
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public IEnumerable<IMemoryImage> Render(ImageContext imageContext, byte[] buffer, int length, float defaultDpi, string? password = null)
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public IEnumerable<IMemoryImage> Render(ImageContext imageContext, byte[] buffer, int length, PdfRenderSize renderSize, string? password = null)
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{
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throw new NotImplementedException();
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}
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@ -212,7 +212,8 @@ public class WorkerServiceImpl : WorkerService.WorkerServiceBase
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try
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{
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var renderer = new PdfiumPdfRenderer();
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using var image = renderer.Render(_scanningContext.ImageContext, request.Path, request.Dpi).Single();
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using var image = renderer
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.Render(_scanningContext.ImageContext, request.Path, PdfRenderSize.FromDpi(request.Dpi)).Single();
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var stream = image.SaveToMemoryStream(ImageFileFormat.Png);
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return Task.FromResult(new RenderPdfResponse
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{
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@ -279,7 +280,8 @@ public class WorkerServiceImpl : WorkerService.WorkerServiceBase
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}).AssertNoAwait();
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}
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public override async Task<GetDeviceListResponse> TwainGetDeviceList(GetDeviceListRequest request, ServerCallContext context)
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public override async Task<GetDeviceListResponse> TwainGetDeviceList(GetDeviceListRequest request,
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ServerCallContext context)
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{
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using var callRef = StartCall();
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try
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