protected internal virtual PdfXObject TryResolveBase64ImageSource(String src)
{
try {
String fixedSrc = iText.IO.Util.StringUtil.ReplaceAll(src, "\\s", "");
fixedSrc = fixedSrc.Substring(fixedSrc.IndexOf(BASE64IDENTIFIER, StringComparison.Ordinal) + 7);
PdfXObject imageXObject = imageCache.GetImage(fixedSrc);
if (imageXObject == null)
{
imageXObject = new PdfImageXObject(ImageDataFactory.Create(Convert.FromBase64String(fixedSrc)));
imageCache.PutImage(fixedSrc, imageXObject);
}
return(imageXObject);
}
catch (Exception) {
}
return(null);
}
public virtual void SimpleImageCacheTest01()
{
SimpleImageCache cache = new SimpleImageCache();
String imgSrc = "src1.jpg";
SimpleImageCacheTest.ImageXObjectStub imageData = new SimpleImageCacheTest.ImageXObjectStub();
NUnit.Framework.Assert.AreEqual(0, cache.Size());
cache.PutImage(imgSrc, imageData);
NUnit.Framework.Assert.AreEqual(1, cache.Size());
NUnit.Framework.Assert.AreEqual(imageData, cache.GetImage(imgSrc));
}
public virtual void OrderRemovingFromCacheTest()
{
SimpleImageCache cache = new SimpleImageCache(10);
for (int j = 0; j <= 9; j++)
{
cache.PutImage("src" + j + ".jpg", new SimpleImageCacheTest.ImageXObjectStub());
}
for (int i = 0; i <= 9; i++)
{
cache.PutImage("src" + i + 10 + ".jpg", new SimpleImageCacheTest.ImageXObjectStub());
NUnit.Framework.Assert.IsNull(cache.GetImage("src" + i + ".jpg"));
}
}
public virtual void SimpleImageCacheTest02()
{
String[] imgSrc = new String[] { "src0.jpg", "src1.jpg", "src2.jpg", "src3.jpg", "src4.jpg", "src5.jpg" };
SimpleImageCacheTest.ImageXObjectStub[] imgData = new SimpleImageCacheTest.ImageXObjectStub[] { new SimpleImageCacheTest.ImageXObjectStub
(), new SimpleImageCacheTest.ImageXObjectStub(), new SimpleImageCacheTest.ImageXObjectStub(), new SimpleImageCacheTest.ImageXObjectStub
(), new SimpleImageCacheTest.ImageXObjectStub(), new SimpleImageCacheTest.ImageXObjectStub() };
SimpleImageCache cache = new SimpleImageCache(4);
// imgs frequency is increased on getImage call
cache.GetImage(imgSrc[1]);
cache.GetImage(imgSrc[2]);
cache.PutImage(imgSrc[0], imgData[0]);
cache.PutImage(imgSrc[1], imgData[1]);
cache.PutImage(imgSrc[2], imgData[2]);
NUnit.Framework.Assert.AreEqual(3, cache.Size());
cache.GetImage(imgSrc[0]);
cache.GetImage(imgSrc[1]);
cache.GetImage(imgSrc[2]);
cache.PutImage(imgSrc[3], imgData[3]);
NUnit.Framework.Assert.AreEqual(4, cache.Size());
cache.PutImage(imgSrc[4], imgData[4]);
NUnit.Framework.Assert.AreEqual(4, cache.Size());
NUnit.Framework.Assert.IsNull(cache.GetImage(imgSrc[3]));
NUnit.Framework.Assert.AreEqual(imgData[0], cache.GetImage(imgSrc[0]));
NUnit.Framework.Assert.AreEqual(imgData[1], cache.GetImage(imgSrc[1]));
NUnit.Framework.Assert.AreEqual(imgData[2], cache.GetImage(imgSrc[2]));
NUnit.Framework.Assert.AreEqual(imgData[4], cache.GetImage(imgSrc[4]));
cache.GetImage(imgSrc[0]);
cache.GetImage(imgSrc[1]);
cache.GetImage(imgSrc[2]);
cache.GetImage(imgSrc[4]);
cache.PutImage(imgSrc[5], imgData[5]);
NUnit.Framework.Assert.AreEqual(4, cache.Size());
NUnit.Framework.Assert.IsNull(cache.GetImage(imgSrc[4]));
NUnit.Framework.Assert.AreEqual(imgData[0], cache.GetImage(imgSrc[0]));
NUnit.Framework.Assert.AreEqual(imgData[1], cache.GetImage(imgSrc[1]));
NUnit.Framework.Assert.AreEqual(imgData[2], cache.GetImage(imgSrc[2]));
NUnit.Framework.Assert.AreEqual(imgData[5], cache.GetImage(imgSrc[5]));
cache.PutImage(imgSrc[3], imgData[3]);
NUnit.Framework.Assert.AreEqual(4, cache.Size());
NUnit.Framework.Assert.AreEqual(imgData[3], cache.GetImage(imgSrc[3]));
NUnit.Framework.Assert.IsNull(cache.GetImage(imgSrc[5]));
cache.PutImage(imgSrc[5], imgData[5]);
NUnit.Framework.Assert.AreEqual(4, cache.Size());
NUnit.Framework.Assert.AreEqual(imgData[5], cache.GetImage(imgSrc[5]));
NUnit.Framework.Assert.IsNull(cache.GetImage(imgSrc[3]));
cache.PutImage(imgSrc[3], imgData[3]);
NUnit.Framework.Assert.AreEqual(4, cache.Size());
NUnit.Framework.Assert.AreEqual(imgData[3], cache.GetImage(imgSrc[3]));
NUnit.Framework.Assert.IsNull(cache.GetImage(imgSrc[5]));
cache.PutImage(imgSrc[5], imgData[5]);
NUnit.Framework.Assert.AreEqual(4, cache.Size());
NUnit.Framework.Assert.AreEqual(imgData[5], cache.GetImage(imgSrc[5]));
NUnit.Framework.Assert.AreEqual(imgData[3], cache.GetImage(imgSrc[3]));
NUnit.Framework.Assert.AreEqual(imgData[1], cache.GetImage(imgSrc[1]));
NUnit.Framework.Assert.AreEqual(imgData[2], cache.GetImage(imgSrc[2]));
NUnit.Framework.Assert.IsNull(cache.GetImage(imgSrc[0]));
NUnit.Framework.Assert.IsNull(cache.GetImage(imgSrc[4]));
}
