public void GetMaskImage075()
{
int pageCount = 0;
using (DjvuDocument document = Util.GetTestDocument(75, out pageCount))
{
Util.VerifyDjvuDocument(pageCount, document);
DjvuPage page = document.FirstPage as DjvuPage;
Assert.NotNull(page);
var testImagePath = Path.Combine(Util.RepoRoot, "artifacts", "data", "test075C.mask.png");
DjvuImage djvuImage = page.Image as DjvuImage;
using (Bitmap image = djvuImage.GetMaskImage(1))
using (Bitmap testImage = new Bitmap(testImagePath))
{
Assert.NotNull(image);
Assert.IsType <Bitmap>(image);
Assert.NotNull(testImage);
bool result = Util.CompareImagesForBinarySimilarity(testImage, image, 0.3, true, "Testing Djvu mask: test075C.png, ");
Assert.True(result);
}
}
}
private void PageDecodedHandler(DjvuPage page, TextLayerZone textLayer, CancellationToken ct)
{
if (ct.IsCancellationRequested)
{
return;
}
Page = page;
_pageViewObserver = State.ZoomFactorObserver;
_pageViewObserver.ZoomFactorChanging += HandleZoomFactorChanging;
_pageViewObserver.ZoomFactorChanged += HandleZoomFactorChanged;
Width = State.Width;
Height = State.Height;
CreateThumbnailSurface();
if (!_pageViewObserver.IsZooming)
{
CreateContentSurface();
}
TextLayer = textLayer != null ? new[] { textLayer } : Array.Empty <TextLayerZone>();
}
public void GetBgPixMap001()
{
var page = new DjvuPage();
page.Height = 128;
page.Width = 128;
Assert.Null(page.GetBgPixmap(new Graphics.Rectangle(), 1, 2.2, null));
}
public void IsLegalBilevelTest003()
{
var page = new DjvuPage();
page.Height = 128;
page.Width = 128;
Assert.False(page.IsLegalBilevel());
}
public void IsLegalCompundTest003()
{
var page = new DjvuPage();
page.Height = 128;
page.Width = 128;
Assert.False(page.IsLegalCompound());
}
public void StencilTest002()
{
var page = new DjvuPage();
page.Height = 128;
page.Width = 128;
Assert.False(page.Stencil(null, new Graphics.Rectangle(), 1, 2.2));
}
public void DisposeTest001()
{
DjvuPage page = new DjvuPage();
page.Dispose();
Assert.True(page.Disposed);
// Ensure does not throw
page.Dispose();
}
private void BuildNavigation(DjvuDocument document)
{
List <Bookmark> bookmarks = new List <Bookmark>();
for (int x = 0; x < document.Pages.Length; x++)
{
DjvuPage page = document.Pages[x];
int pageNum = x + 1;
bookmarks.Add(new Bookmark(document, null, string.Format("Page {0}", pageNum), string.Format("#{0}", pageNum), new Bookmark[0]));
}
_bookmarks = bookmarks.ToArray();
}
public void Dispose()
{
if (_vsis == null)
{
return;
}
_vsis.RegionsInvalidated -= RegionsInvalidatedHandler;
_vsis = null;
_page = null;
GC.SuppressFinalize(this);
}
public VsisPageRenderer(DjvuPage page, Size pageViewSize)
{
_page = page;
var size = FindBestSize(pageViewSize);
_vsis = new CanvasVirtualImageSource(
resourceCreator: CanvasDevice.GetSharedDevice(),
width: (float)size.Width,
height: (float)size.Height,
dpi: DisplayInformation.GetForCurrentView().LogicalDpi,
alphaMode: CanvasAlphaMode.Ignore);
_vsis.RegionsInvalidated += RegionsInvalidatedHandler;
}
public SisPageRenderer(DjvuPage page, Size pageViewSize)
{
_page = page;
var rawPixelsPerViewPixel = DisplayInformation.GetForCurrentView().RawPixelsPerViewPixel;
var width = Math.Min(pageViewSize.Width, page.Width / rawPixelsPerViewPixel);
var height = Math.Min(pageViewSize.Height, page.Height / rawPixelsPerViewPixel);
Source = new CanvasImageSource(
resourceCreator: CanvasDevice.GetSharedDevice(),
width: (float)width,
height: (float)height,
dpi: DisplayInformation.GetForCurrentView().LogicalDpi,
alphaMode: CanvasAlphaMode.Ignore);
RenderRegion(new Rect(0, 0, width, height));
_page = null;
}
public void GetForegroundImage000()
{
using (var page = new DjvuPage())
{
page.Height = 128;
page.Width = 128;
DjvuImage djvuImage = page.Image as DjvuImage;
using (Bitmap bitmap = djvuImage.GetForegroundImage(1))
{
Assert.NotNull(bitmap);
Assert.NotEqual(0, page.Width);
Assert.Equal(page.Width, bitmap.Width);
Assert.Equal(page.Height, bitmap.Height);
Color pixel = bitmap.GetPixel(0, 0);
Assert.Equal(0, pixel.R);
Assert.Equal(0, pixel.G);
Assert.Equal(0, pixel.B);
}
}
}
public void GetTextImage000()
{
var page = new DjvuPage();
page.Height = 128;
page.Width = 128;
DjvuImage djvuImage = page.Image as DjvuImage;
using (var bitmap = djvuImage.GetTextImage(1))
{
Assert.NotNull(bitmap);
Assert.NotEqual(0, page.Width);
Assert.Equal(page.Width, bitmap.Width);
Assert.Equal(page.Height, bitmap.Height);
var pixel = bitmap.GetPixel(0, 0);
Assert.Equal(0, pixel.R);
Assert.Equal(0, pixel.G);
Assert.Equal(0, pixel.B);
}
}
private void CleanUp()
{
if (_pageViewObserver != null)
{
_pageViewObserver.ZoomFactorChanging -= HandleZoomFactorChanging;
_pageViewObserver.ZoomFactorChanged -= HandleZoomFactorChanged;
_pageViewObserver = null;
}
if (_contentVsis != null)
{
_contentVsis.Dispose();
_contentVsis = null;
}
_thumbnailSis = null;
thumbnailContentCanvas.Background = null;
contentCanvas.Background = null;
contentCanvas.Children.Clear();
Page = null;
TextLayer = null;
}
public void GetTextImage003()
{
int pageCount = 0;
using (DjvuDocument document = Util.GetTestDocument(3, out pageCount))
{
Util.VerifyDjvuDocument(pageCount, document);
DjvuPage page = document.FirstPage as DjvuPage;
Assert.NotNull(page);
DjvuImage djvuImage = page.Image as DjvuImage;
using (var image = djvuImage.GetTextImage(1))
{
Assert.NotNull(image);
Assert.IsType <Bitmap>(image);
#if DUMP_IMAGES
string file = Path.Combine(Util.ArtifactsDataPath, "dumps", "test003CMn.png");
using (FileStream stream = new FileStream(file, FileMode.Create))
image.Save(stream, ImageFormat.Png);
#endif
}
}
}
public PageTextSearch(DjvuPage page, PageTextItem[] items)
: base(page)
{
_textItems = items;
}
public void StencilTest001()
{
var page = new DjvuPage();
Assert.False(page.Stencil(null, new Graphics.Rectangle(), 1, 2.2));
}
public void IsLegalCompundTest002()
{
var page = new DjvuPage();
Assert.False(page.IsLegalCompound());
}
public PageTextSearch(DjvuPage page, TextZone[] items)
: base(page)
{
_textItems = items.Select(x => new PageTextItem(page, this, x)).ToArray();
}
public void IsLegalBilevelTest002()
{
var page = new DjvuPage();
Assert.False(page.IsLegalBilevel());
}
public PageTextSearch(DjvuPage page, PageTextItem[] items)
: base(page)
{
_textItems = items;
}
public void GetBgPixMap000()
{
var page = new DjvuPage();
Assert.Null(page.GetBgPixmap(new Graphics.Rectangle(), 1, 2.2, null));
}
public PageTextItem(DjvuPage page, PageTextSearch parent, TextZone zone)
: base(page)
{
_zone = zone;
_parent = parent;
}
public PageTextSearch(DjvuPage page, TextZone[] items)
: base(page)
{
_textItems = items.Select(x => new PageTextItem(page, this, x)).ToArray();
}
public PageTextItem(DjvuPage page, PageTextSearch parent, TextZone zone)
: base(page)
{
_zone = zone;
_parent = parent;
}
public PageText(DjvuPage page)
{
_page = page;
}
public PageText(DjvuPage page)
{
_page = page;
}
public DjvuPageVisuals(DjvuPage page)
{
_Page = page ?? throw new ArgumentNullException(nameof(page));
}
