private static FREE_IMAGE_MDMODEL GetModel(FIBITMAP dib, FITAG tag)
{
FITAG value;
foreach (FREE_IMAGE_MDMODEL model in FreeImage.FREE_IMAGE_MDMODELS)
{
FIMETADATA mData = FreeImage.FindFirstMetadata(model, dib, out value);
if (mData.IsNull)
{
continue;
}
try
{
do
{
if (value == tag)
{
return(model);
}
}while (FreeImage.FindNextMetadata(mData, out value));
}
finally
{
if (!mData.IsNull)
{
FreeImage.FindCloseMetadata(mData);
}
}
}
throw new ArgumentException("'tag' is no metadata object of 'dib'");
}
/// <summary>
/// Returns the tag at the given index.
/// </summary>
/// <param name="index">Index of the tag to return.</param>
/// <returns>The tag at the given index.</returns>
protected MetadataTag GetTagFromIndex(int index)
{
if (index >= Count || index < 0)
{
throw new ArgumentOutOfRangeException("index");
}
MetadataTag tag;
int count = 0;
FIMETADATA mdHandle = FreeImage.FindFirstMetadata(Model, dib, out tag);
if (!mdHandle.IsNull)
{
try
{
do
{
if (count++ == index)
{
break;
}
}while (FreeImage.FindNextMetadata(mdHandle, out tag));
}
finally
{
FreeImage.FindCloseMetadata(mdHandle);
}
}
return(tag);
}
public static extern bool FindNextMetadata(FIMETADATA mdhandle, out FITAG tag);
private static extern void FindCloseMetadata_(FIMETADATA mdhandle);
public void MetadataTag()
{
FITAG tag;
MetadataTag metaTag;
Random rand = new Random();
dib = iManager.GetBitmap(ImageType.Metadata, ImageColorType.Type_01_Dither);
Assert.IsFalse(dib.IsNull);
Assert.That(FreeImage.GetMetadataCount(FREE_IMAGE_MDMODEL.FIMD_EXIF_MAIN, dib) > 0);
FIMETADATA mData = FreeImage.FindFirstMetadata(FREE_IMAGE_MDMODEL.FIMD_EXIF_MAIN, dib, out tag);
Assert.IsFalse(tag.IsNull);
Assert.IsFalse(mData.IsNull);
//
// Constructors
//
metaTag = new MetadataTag(tag, dib);
Assert.That(metaTag.Model == FREE_IMAGE_MDMODEL.FIMD_EXIF_MAIN);
metaTag = new MetadataTag(tag, FREE_IMAGE_MDMODEL.FIMD_EXIF_MAIN);
Assert.That(metaTag.Model == FREE_IMAGE_MDMODEL.FIMD_EXIF_MAIN);
//
// Properties
//
metaTag.ID = ushort.MinValue;
Assert.That(metaTag.ID == ushort.MinValue);
metaTag.ID = ushort.MaxValue;
Assert.That(metaTag.ID == ushort.MaxValue);
metaTag.ID = ushort.MaxValue / 2;
Assert.That(metaTag.ID == ushort.MaxValue / 2);
metaTag.Description = "";
Assert.That(metaTag.Description == "");
metaTag.Description = "A";
Assert.That(metaTag.Description == "A");
metaTag.Description = "ABCDEFG";
Assert.That(metaTag.Description == "ABCDEFG");
metaTag.Key = "";
Assert.That(metaTag.Key == "");
metaTag.Key = "A";
Assert.That(metaTag.Key == "A");
metaTag.Key = "ABCDEFG";
Assert.That(metaTag.Key == "ABCDEFG");
//
// SetValue
//
try
{
metaTag.SetValue(null, FREE_IMAGE_MDTYPE.FIDT_ASCII);
Assert.Fail();
}
catch
{
}
//
// FREE_IMAGE_MDTYPE.FIDT_ASCII
//
string testString = "";
Assert.IsTrue(metaTag.SetValue(testString, FREE_IMAGE_MDTYPE.FIDT_ASCII));
Assert.IsNotNull(metaTag.Value);
Assert.That(((string)metaTag.Value).Length == 0);
testString = "X";
Assert.IsTrue(metaTag.SetValue(testString, FREE_IMAGE_MDTYPE.FIDT_ASCII));
Assert.IsNotNull(metaTag.Value);
Assert.That(((string)metaTag.Value).Length == testString.Length);
Assert.That(((string)metaTag.Value) == testString);
testString = "TEST-STRING";
Assert.IsTrue(metaTag.SetValue(testString, FREE_IMAGE_MDTYPE.FIDT_ASCII));
Assert.IsNotNull(metaTag.Value);
Assert.That(((string)metaTag.Value).Length == testString.Length);
Assert.That(((string)metaTag.Value) == testString);
//
// FREE_IMAGE_MDTYPE.FIDT_BYTE
//
byte testByte;
byte[] testByteArray;
Assert.IsTrue(metaTag.SetValue(byte.MinValue, FREE_IMAGE_MDTYPE.FIDT_BYTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((byte[])metaTag.Value).Length == 1);
Assert.That(((byte[])metaTag.Value)[0] == byte.MinValue);
Assert.IsTrue(metaTag.SetValue(byte.MaxValue, FREE_IMAGE_MDTYPE.FIDT_BYTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((byte[])metaTag.Value).Length == 1);
Assert.That(((byte[])metaTag.Value)[0] == byte.MaxValue);
for (int i = 0; i < 10; i++)
{
testByte = (byte)rand.Next(byte.MinValue, byte.MaxValue);
testByteArray = new byte[rand.Next(0, 31)];
for (int j = 0; j < testByteArray.Length; j++)
{
testByteArray[j] = (byte)rand.Next();
}
Assert.IsTrue(metaTag.SetValue(testByte, FREE_IMAGE_MDTYPE.FIDT_BYTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((byte[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 1);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_BYTE);
Assert.That(((byte[])metaTag.Value)[0] == testByte);
Assert.IsTrue(metaTag.SetValue(testByteArray, FREE_IMAGE_MDTYPE.FIDT_BYTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((byte[])metaTag.Value).Length == testByteArray.Length);
Assert.That(metaTag.Count == testByteArray.Length);
Assert.That(metaTag.Length == testByteArray.Length * 1);
byte[] value = (byte[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testByteArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_DOUBLE
//
double testDouble;
double[] testDoubleArray;
Assert.IsTrue(metaTag.SetValue(double.MinValue, FREE_IMAGE_MDTYPE.FIDT_DOUBLE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((double[])metaTag.Value).Length == 1);
Assert.That(((double[])metaTag.Value)[0] == double.MinValue);
Assert.IsTrue(metaTag.SetValue(double.MaxValue, FREE_IMAGE_MDTYPE.FIDT_DOUBLE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((double[])metaTag.Value).Length == 1);
Assert.That(((double[])metaTag.Value)[0] == double.MaxValue);
for (int i = 0; i < 10; i++)
{
testDouble = (double)rand.NextDouble();
testDoubleArray = new double[rand.Next(0, 31)];
for (int j = 0; j < testDoubleArray.Length; j++)
{
testDoubleArray[j] = rand.NextDouble();
}
Assert.IsTrue(metaTag.SetValue(testDouble, FREE_IMAGE_MDTYPE.FIDT_DOUBLE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((double[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 8);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_DOUBLE);
Assert.That(((double[])metaTag.Value)[0] == testDouble);
Assert.IsTrue(metaTag.SetValue(testDoubleArray, FREE_IMAGE_MDTYPE.FIDT_DOUBLE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((double[])metaTag.Value).Length == testDoubleArray.Length);
Assert.That(metaTag.Count == testDoubleArray.Length);
Assert.That(metaTag.Length == testDoubleArray.Length * 8);
double[] value = (double[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testDoubleArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_FLOAT
//
float testfloat;
float[] testFloatArray;
Assert.IsTrue(metaTag.SetValue(float.MinValue, FREE_IMAGE_MDTYPE.FIDT_FLOAT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((float[])metaTag.Value).Length == 1);
Assert.That(((float[])metaTag.Value)[0] == float.MinValue);
Assert.IsTrue(metaTag.SetValue(float.MaxValue, FREE_IMAGE_MDTYPE.FIDT_FLOAT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((float[])metaTag.Value).Length == 1);
Assert.That(((float[])metaTag.Value)[0] == float.MaxValue);
for (int i = 0; i < 10; i++)
{
testfloat = (float)rand.NextDouble();
testFloatArray = new float[rand.Next(0, 31)];
for (int j = 0; j < testFloatArray.Length; j++)
{
testFloatArray[j] = (float)rand.NextDouble();
}
Assert.IsTrue(metaTag.SetValue(testfloat, FREE_IMAGE_MDTYPE.FIDT_FLOAT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((float[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 4);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_FLOAT);
Assert.That(((float[])metaTag.Value)[0] == testfloat);
Assert.IsTrue(metaTag.SetValue(testFloatArray, FREE_IMAGE_MDTYPE.FIDT_FLOAT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((float[])metaTag.Value).Length == testFloatArray.Length);
Assert.That(metaTag.Count == testFloatArray.Length);
Assert.That(metaTag.Length == testFloatArray.Length * 4);
float[] value = (float[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testFloatArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_IFD
//
uint testUint;
uint[] testUintArray;
Assert.IsTrue(metaTag.SetValue(uint.MinValue, FREE_IMAGE_MDTYPE.FIDT_IFD));
Assert.IsNotNull(metaTag.Value);
Assert.That(((uint[])metaTag.Value).Length == 1);
Assert.That(((uint[])metaTag.Value)[0] == uint.MinValue);
Assert.IsTrue(metaTag.SetValue(uint.MaxValue, FREE_IMAGE_MDTYPE.FIDT_IFD));
Assert.IsNotNull(metaTag.Value);
Assert.That(((uint[])metaTag.Value).Length == 1);
Assert.That(((uint[])metaTag.Value)[0] == uint.MaxValue);
for (int i = 0; i < 10; i++)
{
testUint = (uint)rand.NextDouble();
testUintArray = new uint[rand.Next(0, 31)];
for (int j = 0; j < testUintArray.Length; j++)
{
testUintArray[j] = (uint)rand.Next();
}
Assert.IsTrue(metaTag.SetValue(testUint, FREE_IMAGE_MDTYPE.FIDT_IFD));
Assert.IsNotNull(metaTag.Value);
Assert.That(((uint[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 4);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_IFD);
Assert.That(((uint[])metaTag.Value)[0] == testUint);
Assert.IsTrue(metaTag.SetValue(testUintArray, FREE_IMAGE_MDTYPE.FIDT_IFD));
Assert.IsNotNull(metaTag.Value);
Assert.That(((uint[])metaTag.Value).Length == testUintArray.Length);
Assert.That(metaTag.Count == testUintArray.Length);
Assert.That(metaTag.Length == testUintArray.Length * 4);
uint[] value = (uint[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testUintArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_LONG
//
Assert.IsTrue(metaTag.SetValue(uint.MinValue, FREE_IMAGE_MDTYPE.FIDT_LONG));
Assert.IsNotNull(metaTag.Value);
Assert.That(((uint[])metaTag.Value).Length == 1);
Assert.That(((uint[])metaTag.Value)[0] == uint.MinValue);
Assert.IsTrue(metaTag.SetValue(uint.MaxValue, FREE_IMAGE_MDTYPE.FIDT_LONG));
Assert.IsNotNull(metaTag.Value);
Assert.That(((uint[])metaTag.Value).Length == 1);
Assert.That(((uint[])metaTag.Value)[0] == uint.MaxValue);
for (int i = 0; i < 10; i++)
{
testUint = (uint)rand.NextDouble();
testUintArray = new uint[rand.Next(0, 31)];
for (int j = 0; j < testUintArray.Length; j++)
{
testUintArray[j] = (uint)rand.Next();
}
Assert.IsTrue(metaTag.SetValue(testUint, FREE_IMAGE_MDTYPE.FIDT_LONG));
Assert.IsNotNull(metaTag.Value);
Assert.That(((uint[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 4);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_LONG);
Assert.That(((uint[])metaTag.Value)[0] == testUint);
Assert.IsTrue(metaTag.SetValue(testUintArray, FREE_IMAGE_MDTYPE.FIDT_LONG));
Assert.IsNotNull(metaTag.Value);
Assert.That(((uint[])metaTag.Value).Length == testUintArray.Length);
Assert.That(metaTag.Count == testUintArray.Length);
Assert.That(metaTag.Length == testUintArray.Length * 4);
uint[] value = (uint[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testUintArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_NOTYPE
//
try
{
metaTag.SetValue(new object(), FREE_IMAGE_MDTYPE.FIDT_NOTYPE);
Assert.Fail();
}
catch (NotSupportedException)
{
}
//
// FREE_IMAGE_MDTYPE.FIDT_PALETTE
//
RGBQUAD testRGBQUAD;
RGBQUAD[] testRGBQUADArray;
for (int i = 0; i < 10; i++)
{
testRGBQUAD = new RGBQUAD(Color.FromArgb(rand.Next()));
testRGBQUADArray = new RGBQUAD[rand.Next(0, 31)];
for (int j = 0; j < testRGBQUADArray.Length; j++)
{
testRGBQUADArray[j] = new RGBQUAD(Color.FromArgb(rand.Next()));
}
Assert.IsTrue(metaTag.SetValue(testRGBQUAD, FREE_IMAGE_MDTYPE.FIDT_PALETTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((RGBQUAD[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 4);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_PALETTE);
Assert.That(((RGBQUAD[])metaTag.Value)[0] == testRGBQUAD);
Assert.IsTrue(metaTag.SetValue(testRGBQUADArray, FREE_IMAGE_MDTYPE.FIDT_PALETTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((RGBQUAD[])metaTag.Value).Length == testRGBQUADArray.Length);
Assert.That(metaTag.Count == testRGBQUADArray.Length);
Assert.That(metaTag.Length == testRGBQUADArray.Length * 4);
RGBQUAD[] value = (RGBQUAD[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testRGBQUADArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_RATIONAL
//
FIURational testFIURational;
FIURational[] testFIURationalArray;
for (int i = 0; i < 10; i++)
{
testFIURational = new FIURational((uint)rand.Next(), (uint)rand.Next());
testFIURationalArray = new FIURational[rand.Next(0, 31)];
for (int j = 0; j < testFIURationalArray.Length; j++)
{
testFIURationalArray[j] = new FIURational((uint)rand.Next(), (uint)rand.Next());
}
Assert.IsTrue(metaTag.SetValue(testFIURational, FREE_IMAGE_MDTYPE.FIDT_RATIONAL));
Assert.IsNotNull(metaTag.Value);
Assert.That(((FIURational[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 8);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_RATIONAL);
Assert.That(((FIURational[])metaTag.Value)[0] == testFIURational);
Assert.IsTrue(metaTag.SetValue(testFIURationalArray, FREE_IMAGE_MDTYPE.FIDT_RATIONAL));
Assert.IsNotNull(metaTag.Value);
Assert.That(((FIURational[])metaTag.Value).Length == testFIURationalArray.Length);
Assert.That(metaTag.Count == testFIURationalArray.Length);
Assert.That(metaTag.Length == testFIURationalArray.Length * 8);
FIURational[] value = (FIURational[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testFIURationalArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_SBYTE
//
sbyte testSByte;
sbyte[] testSByteArray;
Assert.IsTrue(metaTag.SetValue(sbyte.MinValue, FREE_IMAGE_MDTYPE.FIDT_SBYTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((sbyte[])metaTag.Value).Length == 1);
Assert.That(((sbyte[])metaTag.Value)[0] == sbyte.MinValue);
Assert.IsTrue(metaTag.SetValue(sbyte.MaxValue, FREE_IMAGE_MDTYPE.FIDT_SBYTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((sbyte[])metaTag.Value).Length == 1);
Assert.That(((sbyte[])metaTag.Value)[0] == sbyte.MaxValue);
for (int i = 0; i < 10; i++)
{
testSByte = (sbyte)rand.Next(sbyte.MinValue, sbyte.MaxValue);
testSByteArray = new sbyte[rand.Next(0, 31)];
for (int j = 0; j < testSByteArray.Length; j++)
{
testSByteArray[j] = (sbyte)rand.Next();
}
Assert.IsTrue(metaTag.SetValue(testSByte, FREE_IMAGE_MDTYPE.FIDT_SBYTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((sbyte[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 1);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_SBYTE);
Assert.That(((sbyte[])metaTag.Value)[0] == testSByte);
Assert.IsTrue(metaTag.SetValue(testSByteArray, FREE_IMAGE_MDTYPE.FIDT_SBYTE));
Assert.IsNotNull(metaTag.Value);
Assert.That(((sbyte[])metaTag.Value).Length == testSByteArray.Length);
Assert.That(metaTag.Count == testSByteArray.Length);
Assert.That(metaTag.Length == testSByteArray.Length * 1);
sbyte[] value = (sbyte[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testSByteArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_SHORT
//
ushort testUShort;
ushort[] testUShortArray;
Assert.IsTrue(metaTag.SetValue(ushort.MinValue, FREE_IMAGE_MDTYPE.FIDT_SHORT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((ushort[])metaTag.Value).Length == 1);
Assert.That(((ushort[])metaTag.Value)[0] == ushort.MinValue);
Assert.IsTrue(metaTag.SetValue(ushort.MaxValue, FREE_IMAGE_MDTYPE.FIDT_SHORT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((ushort[])metaTag.Value).Length == 1);
Assert.That(((ushort[])metaTag.Value)[0] == ushort.MaxValue);
for (int i = 0; i < 10; i++)
{
testUShort = (ushort)rand.Next(ushort.MinValue, sbyte.MaxValue);
testUShortArray = new ushort[rand.Next(0, 31)];
for (int j = 0; j < testUShortArray.Length; j++)
{
testUShortArray[j] = (ushort)rand.Next();
}
Assert.IsTrue(metaTag.SetValue(testUShort, FREE_IMAGE_MDTYPE.FIDT_SHORT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((ushort[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 2);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_SHORT);
Assert.That(((ushort[])metaTag.Value)[0] == testUShort);
Assert.IsTrue(metaTag.SetValue(testUShortArray, FREE_IMAGE_MDTYPE.FIDT_SHORT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((ushort[])metaTag.Value).Length == testUShortArray.Length);
Assert.That(metaTag.Count == testUShortArray.Length);
Assert.That(metaTag.Length == testUShortArray.Length * 2);
ushort[] value = (ushort[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testUShortArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_SLONG
//
int testInt;
int[] testIntArray;
Assert.IsTrue(metaTag.SetValue(int.MinValue, FREE_IMAGE_MDTYPE.FIDT_SLONG));
Assert.IsNotNull(metaTag.Value);
Assert.That(((int[])metaTag.Value).Length == 1);
Assert.That(((int[])metaTag.Value)[0] == int.MinValue);
Assert.IsTrue(metaTag.SetValue(int.MaxValue, FREE_IMAGE_MDTYPE.FIDT_SLONG));
Assert.IsNotNull(metaTag.Value);
Assert.That(((int[])metaTag.Value).Length == 1);
Assert.That(((int[])metaTag.Value)[0] == int.MaxValue);
for (int i = 0; i < 10; i++)
{
testInt = (int)rand.NextDouble();
testIntArray = new int[rand.Next(0, 31)];
for (int j = 0; j < testIntArray.Length; j++)
{
testIntArray[j] = rand.Next();
}
Assert.IsTrue(metaTag.SetValue(testInt, FREE_IMAGE_MDTYPE.FIDT_SLONG));
Assert.IsNotNull(metaTag.Value);
Assert.That(((int[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 4);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_SLONG);
Assert.That(((int[])metaTag.Value)[0] == testInt);
Assert.IsTrue(metaTag.SetValue(testIntArray, FREE_IMAGE_MDTYPE.FIDT_SLONG));
Assert.IsNotNull(metaTag.Value);
Assert.That(((int[])metaTag.Value).Length == testIntArray.Length);
Assert.That(metaTag.Count == testIntArray.Length);
Assert.That(metaTag.Length == testIntArray.Length * 4);
int[] value = (int[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testIntArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_SRATIONAL
//
FIRational testFIRational;
FIRational[] testFIRationalArray;
for (int i = 0; i < 10; i++)
{
testFIRational = new FIRational(rand.Next(), rand.Next());
testFIRationalArray = new FIRational[rand.Next(0, 31)];
for (int j = 0; j < testFIRationalArray.Length; j++)
{
testFIRationalArray[j] = new FIRational(rand.Next(), rand.Next());
}
Assert.IsTrue(metaTag.SetValue(testFIRational, FREE_IMAGE_MDTYPE.FIDT_SRATIONAL));
Assert.IsNotNull(metaTag.Value);
Assert.That(((FIRational[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 8);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_SRATIONAL);
Assert.That(((FIRational[])metaTag.Value)[0] == testFIRational);
Assert.IsTrue(metaTag.SetValue(testFIRationalArray, FREE_IMAGE_MDTYPE.FIDT_SRATIONAL));
Assert.IsNotNull(metaTag.Value);
Assert.That(((FIRational[])metaTag.Value).Length == testFIRationalArray.Length);
Assert.That(metaTag.Count == testFIRationalArray.Length);
Assert.That(metaTag.Length == testFIRationalArray.Length * 8);
FIRational[] value = (FIRational[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testFIRationalArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_SSHORT
//
short testShort;
short[] testShortArray;
Assert.IsTrue(metaTag.SetValue(short.MinValue, FREE_IMAGE_MDTYPE.FIDT_SSHORT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((short[])metaTag.Value).Length == 1);
Assert.That(((short[])metaTag.Value)[0] == short.MinValue);
Assert.IsTrue(metaTag.SetValue(short.MaxValue, FREE_IMAGE_MDTYPE.FIDT_SSHORT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((short[])metaTag.Value).Length == 1);
Assert.That(((short[])metaTag.Value)[0] == short.MaxValue);
for (int i = 0; i < 10; i++)
{
testShort = (short)rand.Next(short.MinValue, short.MaxValue);
testShortArray = new short[rand.Next(0, 31)];
for (int j = 0; j < testShortArray.Length; j++)
{
testShortArray[j] = (short)rand.Next();
}
Assert.IsTrue(metaTag.SetValue(testShort, FREE_IMAGE_MDTYPE.FIDT_SSHORT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((short[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 2);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_SSHORT);
Assert.That(((short[])metaTag.Value)[0] == testShort);
Assert.IsTrue(metaTag.SetValue(testShortArray, FREE_IMAGE_MDTYPE.FIDT_SSHORT));
Assert.IsNotNull(metaTag.Value);
Assert.That(((short[])metaTag.Value).Length == testShortArray.Length);
Assert.That(metaTag.Count == testShortArray.Length);
Assert.That(metaTag.Length == testShortArray.Length * 2);
short[] value = (short[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testShortArray[j] == value[j]);
}
}
//
// FREE_IMAGE_MDTYPE.FIDT_UNDEFINED
//
Assert.IsTrue(metaTag.SetValue(byte.MinValue, FREE_IMAGE_MDTYPE.FIDT_UNDEFINED));
Assert.IsNotNull(metaTag.Value);
Assert.That(((byte[])metaTag.Value).Length == 1);
Assert.That(((byte[])metaTag.Value)[0] == byte.MinValue);
Assert.IsTrue(metaTag.SetValue(byte.MaxValue, FREE_IMAGE_MDTYPE.FIDT_UNDEFINED));
Assert.IsNotNull(metaTag.Value);
Assert.That(((byte[])metaTag.Value).Length == 1);
Assert.That(((byte[])metaTag.Value)[0] == byte.MaxValue);
for (int i = 0; i < 10; i++)
{
testByte = (byte)rand.Next(byte.MinValue, byte.MaxValue);
testByteArray = new byte[rand.Next(0, 31)];
for (int j = 0; j < testByteArray.Length; j++)
{
testByteArray[j] = (byte)rand.Next();
}
Assert.IsTrue(metaTag.SetValue(testByte, FREE_IMAGE_MDTYPE.FIDT_UNDEFINED));
Assert.IsNotNull(metaTag.Value);
Assert.That(((byte[])metaTag.Value).Length == 1);
Assert.That(metaTag.Count == 1);
Assert.That(metaTag.Length == 1);
Assert.That(metaTag.Type == FREE_IMAGE_MDTYPE.FIDT_UNDEFINED);
Assert.That(((byte[])metaTag.Value)[0] == testByte);
Assert.IsTrue(metaTag.SetValue(testByteArray, FREE_IMAGE_MDTYPE.FIDT_UNDEFINED));
Assert.IsNotNull(metaTag.Value);
Assert.That(((byte[])metaTag.Value).Length == testByteArray.Length);
Assert.That(metaTag.Count == testByteArray.Length);
Assert.That(metaTag.Length == testByteArray.Length * 1);
byte[] value = (byte[])metaTag.Value;
for (int j = 0; j < value.Length; j++)
{
Assert.That(testByteArray[j] == value[j]);
}
}
FreeImage.UnloadEx(ref dib);
}
/// <summary>
/// Find the next tag, if any, that matches the metadata model argument in a previous call
/// to FindFirstMetadata, and then alters the tag object contents accordingly.
/// </summary>
/// <param name="mdhandle">Unique search handle provided by FindFirstMetadata.</param>
/// <param name="tag">Tag that matches the metadata model.</param>
/// <returns>Returns true on success, false on failure.</returns>
public static bool FindNextMetadata(FIMETADATA mdhandle, out MetadataTag tag)
{
FITAG _tag;
bool result;
if (FindNextMetadata(mdhandle, out _tag))
{
tag = new MetadataTag(_tag, metaDataSearchHandler[mdhandle]);
result = true;
}
else
{
tag = null;
result = false;
}
return result;
}
/// <summary>
/// Closes the specified metadata search handle and releases associated resources.
/// </summary>
/// <param name="mdhandle">The handle to close.</param>
public static void FindCloseMetadata(FIMETADATA mdhandle)
{
if (metaDataSearchHandler.ContainsKey(mdhandle))
{
metaDataSearchHandler.Remove(mdhandle);
}
FindCloseMetadata_(mdhandle);
}
