Example #1
0
        public virtual void TestGetUInt32()
        {
            Sharpen.Tests.AreEqual(4294967295L, CreateReader(new sbyte[] { unchecked ((sbyte)0xff), unchecked ((sbyte)0xff), unchecked ((sbyte)0xff), unchecked ((sbyte)0xff) }).GetUInt32(0));
            sbyte[]            buffer = new sbyte[] { unchecked ((int)(0x00)), unchecked ((int)(0x01)), unchecked ((sbyte)0x7F), unchecked ((sbyte)0xFF), unchecked ((int)(0x02)), unchecked ((int)(0x03)), unchecked ((int)(0x04)) };
            RandomAccessReader reader = CreateReader(buffer);

            Sharpen.Tests.AreEqual(unchecked ((long)(0x00017FFFL)), reader.GetUInt32(0));
            Sharpen.Tests.AreEqual(unchecked ((long)(0x017FFF02L)), reader.GetUInt32(1));
            Sharpen.Tests.AreEqual(unchecked ((long)(0x7FFF0203L)), reader.GetUInt32(2));
            Sharpen.Tests.AreEqual(unchecked ((long)(0xFF020304L)), reader.GetUInt32(3));
            reader.SetMotorolaByteOrder(false);
            Sharpen.Tests.AreEqual(4286513408L, reader.GetUInt32(0));
            Sharpen.Tests.AreEqual(unchecked ((long)(0x02FF7F01L)), reader.GetUInt32(1));
            Sharpen.Tests.AreEqual(unchecked ((long)(0x0302FF7FL)), reader.GetUInt32(2));
            Sharpen.Tests.AreEqual(unchecked ((long)(0x040302FFL)), reader.GetInt32(3));
        }
		private static void ProcessTag(Com.Drew.Metadata.Directory directory, int tagType, int tagValueOffset, int componentCount, int formatCode, RandomAccessReader reader)
		{
			switch (formatCode)
			{
				case FmtUndefined:
				{
					// Directory simply stores raw values
					// The display side uses a Descriptor class per directory to turn the raw values into 'pretty' descriptions
					// this includes exif user comments
					directory.SetByteArray(tagType, reader.GetBytes(tagValueOffset, componentCount));
					break;
				}

				case FmtString:
				{
					string @string = reader.GetNullTerminatedString(tagValueOffset, componentCount);
					directory.SetString(tagType, @string);
					break;
				}

				case FmtSrational:
				{
					if (componentCount == 1)
					{
						directory.SetRational(tagType, new Rational(reader.GetInt32(tagValueOffset), reader.GetInt32(tagValueOffset + 4)));
					}
					else
					{
						if (componentCount > 1)
						{
							Rational[] rationals = new Rational[componentCount];
							for (int i = 0; i < componentCount; i++)
							{
								rationals[i] = new Rational(reader.GetInt32(tagValueOffset + (8 * i)), reader.GetInt32(tagValueOffset + 4 + (8 * i)));
							}
							directory.SetRationalArray(tagType, rationals);
						}
					}
					break;
				}

				case FmtUrational:
				{
					if (componentCount == 1)
					{
						directory.SetRational(tagType, new Rational(reader.GetUInt32(tagValueOffset), reader.GetUInt32(tagValueOffset + 4)));
					}
					else
					{
						if (componentCount > 1)
						{
							Rational[] rationals = new Rational[componentCount];
							for (int i = 0; i < componentCount; i++)
							{
								rationals[i] = new Rational(reader.GetUInt32(tagValueOffset + (8 * i)), reader.GetUInt32(tagValueOffset + 4 + (8 * i)));
							}
							directory.SetRationalArray(tagType, rationals);
						}
					}
					break;
				}

				case FmtSingle:
				{
					if (componentCount == 1)
					{
						directory.SetFloat(tagType, reader.GetFloat32(tagValueOffset));
					}
					else
					{
						float[] floats = new float[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							floats[i] = reader.GetFloat32(tagValueOffset + (i * 4));
						}
						directory.SetFloatArray(tagType, floats);
					}
					break;
				}

				case FmtDouble:
				{
					if (componentCount == 1)
					{
						directory.SetDouble(tagType, reader.GetDouble64(tagValueOffset));
					}
					else
					{
						double[] doubles = new double[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							doubles[i] = reader.GetDouble64(tagValueOffset + (i * 4));
						}
						directory.SetDoubleArray(tagType, doubles);
					}
					break;
				}

				case FmtSbyte:
				{
					//
					// Note that all integral types are stored as int32 internally (the largest supported by TIFF)
					//
					if (componentCount == 1)
					{
						directory.SetInt(tagType, reader.GetInt8(tagValueOffset));
					}
					else
					{
						int[] bytes = new int[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							bytes[i] = reader.GetInt8(tagValueOffset + i);
						}
						directory.SetIntArray(tagType, bytes);
					}
					break;
				}

				case FmtByte:
				{
					if (componentCount == 1)
					{
						directory.SetInt(tagType, reader.GetUInt8(tagValueOffset));
					}
					else
					{
						int[] bytes = new int[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							bytes[i] = reader.GetUInt8(tagValueOffset + i);
						}
						directory.SetIntArray(tagType, bytes);
					}
					break;
				}

				case FmtUshort:
				{
					if (componentCount == 1)
					{
						int i = reader.GetUInt16(tagValueOffset);
						directory.SetInt(tagType, i);
					}
					else
					{
						int[] ints = new int[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							ints[i] = reader.GetUInt16(tagValueOffset + (i * 2));
						}
						directory.SetIntArray(tagType, ints);
					}
					break;
				}

				case FmtSshort:
				{
					if (componentCount == 1)
					{
						int i = reader.GetInt16(tagValueOffset);
						directory.SetInt(tagType, i);
					}
					else
					{
						int[] ints = new int[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							ints[i] = reader.GetInt16(tagValueOffset + (i * 2));
						}
						directory.SetIntArray(tagType, ints);
					}
					break;
				}

				case FmtSlong:
				case FmtUlong:
				{
					// NOTE 'long' in this case means 32 bit, not 64
					if (componentCount == 1)
					{
						int i = reader.GetInt32(tagValueOffset);
						directory.SetInt(tagType, i);
					}
					else
					{
						int[] ints = new int[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							ints[i] = reader.GetInt32(tagValueOffset + (i * 4));
						}
						directory.SetIntArray(tagType, ints);
					}
					break;
				}

				default:
				{
					directory.AddError("Unknown format code " + formatCode + " for tag " + tagType);
					break;
				}
			}
		}
		private static void ProcessKodakMakernote(KodakMakernoteDirectory directory, int tagValueOffset, RandomAccessReader reader)
		{
			// Kodak's makernote is not in IFD format. It has values at fixed offsets.
			int dataOffset = tagValueOffset + 8;
			try
			{
				directory.SetString(KodakMakernoteDirectory.TagKodakModel, reader.GetString(dataOffset, 8));
				directory.SetInt(KodakMakernoteDirectory.TagQuality, reader.GetUInt8(dataOffset + 9));
				directory.SetInt(KodakMakernoteDirectory.TagBurstMode, reader.GetUInt8(dataOffset + 10));
				directory.SetInt(KodakMakernoteDirectory.TagImageWidth, reader.GetUInt16(dataOffset + 12));
				directory.SetInt(KodakMakernoteDirectory.TagImageHeight, reader.GetUInt16(dataOffset + 14));
				directory.SetInt(KodakMakernoteDirectory.TagYearCreated, reader.GetUInt16(dataOffset + 16));
				directory.SetByteArray(KodakMakernoteDirectory.TagMonthDayCreated, reader.GetBytes(dataOffset + 18, 2));
				directory.SetByteArray(KodakMakernoteDirectory.TagTimeCreated, reader.GetBytes(dataOffset + 20, 4));
				directory.SetInt(KodakMakernoteDirectory.TagBurstMode2, reader.GetUInt16(dataOffset + 24));
				directory.SetInt(KodakMakernoteDirectory.TagShutterMode, reader.GetUInt8(dataOffset + 27));
				directory.SetInt(KodakMakernoteDirectory.TagMeteringMode, reader.GetUInt8(dataOffset + 28));
				directory.SetInt(KodakMakernoteDirectory.TagSequenceNumber, reader.GetUInt8(dataOffset + 29));
				directory.SetInt(KodakMakernoteDirectory.TagFNumber, reader.GetUInt16(dataOffset + 30));
				directory.SetLong(KodakMakernoteDirectory.TagExposureTime, reader.GetUInt32(dataOffset + 32));
				directory.SetInt(KodakMakernoteDirectory.TagExposureCompensation, reader.GetInt16(dataOffset + 36));
				directory.SetInt(KodakMakernoteDirectory.TagFocusMode, reader.GetUInt8(dataOffset + 56));
				directory.SetInt(KodakMakernoteDirectory.TagWhiteBalance, reader.GetUInt8(dataOffset + 64));
				directory.SetInt(KodakMakernoteDirectory.TagFlashMode, reader.GetUInt8(dataOffset + 92));
				directory.SetInt(KodakMakernoteDirectory.TagFlashFired, reader.GetUInt8(dataOffset + 93));
				directory.SetInt(KodakMakernoteDirectory.TagIsoSetting, reader.GetUInt16(dataOffset + 94));
				directory.SetInt(KodakMakernoteDirectory.TagIso, reader.GetUInt16(dataOffset + 96));
				directory.SetInt(KodakMakernoteDirectory.TagTotalZoom, reader.GetUInt16(dataOffset + 98));
				directory.SetInt(KodakMakernoteDirectory.TagDateTimeStamp, reader.GetUInt16(dataOffset + 100));
				directory.SetInt(KodakMakernoteDirectory.TagColorMode, reader.GetUInt16(dataOffset + 102));
				directory.SetInt(KodakMakernoteDirectory.TagDigitalZoom, reader.GetUInt16(dataOffset + 104));
				directory.SetInt(KodakMakernoteDirectory.TagSharpness, reader.GetInt8(dataOffset + 107));
			}
			catch (IOException ex)
			{
				directory.AddError("Error processing Kodak makernote data: " + ex.Message);
			}
		}
		/// <exception cref="System.IO.IOException"/>
		private static void ProcessTag(TiffHandler handler, int tagId, int tagValueOffset, int componentCount, int formatCode, RandomAccessReader reader)
		{
			switch (formatCode)
			{
				case TiffDataFormat.CodeUndefined:
				{
					// this includes exif user comments
					handler.SetByteArray(tagId, reader.GetBytes(tagValueOffset, componentCount));
					break;
				}

				case TiffDataFormat.CodeString:
				{
					handler.SetString(tagId, reader.GetNullTerminatedString(tagValueOffset, componentCount));
					break;
				}

				case TiffDataFormat.CodeRationalS:
				{
					if (componentCount == 1)
					{
						handler.SetRational(tagId, new Rational(reader.GetInt32(tagValueOffset), reader.GetInt32(tagValueOffset + 4)));
					}
					else
					{
						if (componentCount > 1)
						{
							Rational[] array = new Rational[componentCount];
							for (int i = 0; i < componentCount; i++)
							{
								array[i] = new Rational(reader.GetInt32(tagValueOffset + (8 * i)), reader.GetInt32(tagValueOffset + 4 + (8 * i)));
							}
							handler.SetRationalArray(tagId, array);
						}
					}
					break;
				}

				case TiffDataFormat.CodeRationalU:
				{
					if (componentCount == 1)
					{
						handler.SetRational(tagId, new Rational(reader.GetUInt32(tagValueOffset), reader.GetUInt32(tagValueOffset + 4)));
					}
					else
					{
						if (componentCount > 1)
						{
							Rational[] array = new Rational[componentCount];
							for (int i = 0; i < componentCount; i++)
							{
								array[i] = new Rational(reader.GetUInt32(tagValueOffset + (8 * i)), reader.GetUInt32(tagValueOffset + 4 + (8 * i)));
							}
							handler.SetRationalArray(tagId, array);
						}
					}
					break;
				}

				case TiffDataFormat.CodeSingle:
				{
					if (componentCount == 1)
					{
						handler.SetFloat(tagId, reader.GetFloat32(tagValueOffset));
					}
					else
					{
						float[] array = new float[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							array[i] = reader.GetFloat32(tagValueOffset + (i * 4));
						}
						handler.SetFloatArray(tagId, array);
					}
					break;
				}

				case TiffDataFormat.CodeDouble:
				{
					if (componentCount == 1)
					{
						handler.SetDouble(tagId, reader.GetDouble64(tagValueOffset));
					}
					else
					{
						double[] array = new double[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							array[i] = reader.GetDouble64(tagValueOffset + (i * 4));
						}
						handler.SetDoubleArray(tagId, array);
					}
					break;
				}

				case TiffDataFormat.CodeInt8S:
				{
					if (componentCount == 1)
					{
						handler.SetInt8s(tagId, reader.GetInt8(tagValueOffset));
					}
					else
					{
						sbyte[] array = new sbyte[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							array[i] = reader.GetInt8(tagValueOffset + i);
						}
						handler.SetInt8sArray(tagId, array);
					}
					break;
				}

				case TiffDataFormat.CodeInt8U:
				{
					if (componentCount == 1)
					{
						handler.SetInt8u(tagId, reader.GetUInt8(tagValueOffset));
					}
					else
					{
						short[] array = new short[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							array[i] = reader.GetUInt8(tagValueOffset + i);
						}
						handler.SetInt8uArray(tagId, array);
					}
					break;
				}

				case TiffDataFormat.CodeInt16S:
				{
					if (componentCount == 1)
					{
						handler.SetInt16s(tagId, (int)reader.GetInt16(tagValueOffset));
					}
					else
					{
						short[] array = new short[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							array[i] = reader.GetInt16(tagValueOffset + (i * 2));
						}
						handler.SetInt16sArray(tagId, array);
					}
					break;
				}

				case TiffDataFormat.CodeInt16U:
				{
					if (componentCount == 1)
					{
						handler.SetInt16u(tagId, reader.GetUInt16(tagValueOffset));
					}
					else
					{
						int[] array = new int[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							array[i] = reader.GetUInt16(tagValueOffset + (i * 2));
						}
						handler.SetInt16uArray(tagId, array);
					}
					break;
				}

				case TiffDataFormat.CodeInt32S:
				{
					// NOTE 'long' in this case means 32 bit, not 64
					if (componentCount == 1)
					{
						handler.SetInt32s(tagId, reader.GetInt32(tagValueOffset));
					}
					else
					{
						int[] array = new int[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							array[i] = reader.GetInt32(tagValueOffset + (i * 4));
						}
						handler.SetInt32sArray(tagId, array);
					}
					break;
				}

				case TiffDataFormat.CodeInt32U:
				{
					// NOTE 'long' in this case means 32 bit, not 64
					if (componentCount == 1)
					{
						handler.SetInt32u(tagId, reader.GetUInt32(tagValueOffset));
					}
					else
					{
						long[] array = new long[componentCount];
						for (int i = 0; i < componentCount; i++)
						{
							array[i] = reader.GetUInt32(tagValueOffset + (i * 4));
						}
						handler.SetInt32uArray(tagId, array);
					}
					break;
				}

				default:
				{
					handler.Error(Sharpen.Extensions.StringFormat("Unknown format code %d for tag %d", formatCode, tagId));
					break;
				}
			}
		}