/// <summary>
/// Adds the image previously added using <see cref="AddJpeg(byte[], PdfRectangle)"/>
/// or <see cref="AddPng(byte[], PdfRectangle)"/> sharing the same image to prevent duplication.
/// </summary>
public void AddImage(AddedImage image, PdfRectangle placementRectangle)
{
var resources = pageDictionary.GetOrCreateDict(NameToken.Resources);
var xObjects = resources.GetOrCreateDict(NameToken.Xobject);
var key = NameToken.Create($"I{imageKey++}");
xObjects[key] = new IndirectReferenceToken(image.Reference);
currentStream.Add(Push.Value);
// This needs to be the placement rectangle.
currentStream.Add(new ModifyCurrentTransformationMatrix(new[]
{
(decimal)placementRectangle.Width, 0,
0, (decimal)placementRectangle.Height,
(decimal)placementRectangle.BottomLeft.X, (decimal)placementRectangle.BottomLeft.Y
}));
currentStream.Add(new InvokeNamedXObject(key));
currentStream.Add(Pop.Value);
}
/// <summary>
/// Adds the JPEG image previously added using <see cref="AddJpeg(byte[],PdfRectangle)"/>,
/// this will share the same image data to prevent duplication.
/// </summary>
/// <param name="image">An image previously added to this page or another page.</param>
/// <param name="placementRectangle">The size and location to draw the image on this page.</param>
public void AddJpeg(AddedImage image, PdfRectangle placementRectangle)
{
if (!resourcesDictionary.TryGetValue(NameToken.Xobject, out var xobjectsDict) ||
!(xobjectsDict is DictionaryToken xobjects))
{
xobjects = new DictionaryToken(new Dictionary <NameToken, IToken>());
resourcesDictionary[NameToken.Xobject] = xobjects;
}
var key = NameToken.Create($"I{imageKey++}");
resourcesDictionary[NameToken.Xobject] = xobjects.With(key, new IndirectReferenceToken(image.Reference));
operations.Add(Push.Value);
// This needs to be the placement rectangle.
operations.Add(new ModifyCurrentTransformationMatrix(new[]
{
(decimal)placementRectangle.Width, 0,
0, (decimal)placementRectangle.Height,
(decimal)placementRectangle.BottomLeft.X, (decimal)placementRectangle.BottomLeft.Y
}));
operations.Add(new InvokeNamedXObject(key));
operations.Add(Pop.Value);
}
/// <summary> /// Adds the JPEG image previously added using <see cref="AddJpeg(byte[],PdfRectangle)"/>, /// this will share the same image data to prevent duplication. /// </summary> /// <param name="image">An image previously added to this page or another page.</param> /// <param name="placementRectangle">The size and location to draw the image on this page.</param> public void AddJpeg(AddedImage image, PdfRectangle placementRectangle) => AddImage(image, placementRectangle);
