本文整理汇总了C#中Stream.ReadShort方法的典型用法代码示例。如果您正苦于以下问题：C# Stream.ReadShort方法的具体用法？C# Stream.ReadShort怎么用？C# Stream.ReadShort使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Stream的用法示例。
在下文中一共展示了Stream.ReadShort方法的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Read
public static PlainTextExtension Read(Stream stream)
{
var blockSize = stream.ReadByte();
if (blockSize != BlockSize)
{
throw new GifException("Plain text extension data format error");
}
var result = new PlainTextExtension
{
TextGridLeftPosition = stream.ReadShort(),
TextGridTopPosition = stream.ReadShort(),
TextGridWidth = stream.ReadShort(),
TextGridHeight = stream.ReadShort(),
CharacterCellWidth = (byte) stream.ReadByte(),
CharacterCellHeight = (byte) stream.ReadByte(),
TextForegroundColorIndex = (byte) stream.ReadByte(),
TextBackgroundColorIndex = (byte) stream.ReadByte(),
PlainTextData = new List<string>()
};
blockSize = stream.ReadByte();
while (blockSize > 0)
{
var plainTextData = stream.ReadString(blockSize);
result.PlainTextData.Add(plainTextData);
blockSize = stream.ReadByte();
}
return result;
}示例2: Unpack
/* Unpack a GMP into a Bitmap */
public override Bitmap Unpack(ref Stream data)
{
try
{
/* Get and set image variables */
int width = data.ReadInt(0xC); // Width
int height = data.ReadInt(0x8); // Height
short bitDepth = data.ReadShort(0x1E); // Bit Depth
short colors = data.ReadShort(0x1C); // Pallete Entries
/* Throw an exception if this is not an 8-bit gmp (for now) */
if (bitDepth != 8)
throw new Exception();
/* Set up the image */
Bitmap image = new Bitmap(width, height, PixelFormat.Format8bppIndexed);
BitmapData imageData = image.LockBits(
new Rectangle(0, 0, width, height),
ImageLockMode.WriteOnly, image.PixelFormat);
/* Read the data from the GMP */
unsafe
{
/* Write the palette */
ColorPalette palette = image.Palette;
for (int i = 0; i < colors; i++)
palette.Entries[i] = Color.FromArgb(data.ReadByte(0x20 + (i * 0x4) + 0x2), data.ReadByte(0x20 + (i * 0x4) + 0x1), data.ReadByte(0x20 + (i * 0x4)));
image.Palette = palette;
/* Start getting the pixels from the source image */
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
byte* rowData = (byte*)imageData.Scan0 + (y * imageData.Stride);
rowData[x] = data.ReadByte(0x20 + (colors * 0x4) + (width * height) - ((y + 1) * width) + x);
}
}
}
/* Unlock the bits now. */
image.UnlockBits(imageData);
return image;
}
catch
{
return null;
}
}示例3: Read
public static LogicalScreenDescriptor Read(Stream stream)
{
var result = new LogicalScreenDescriptor
{
LogicalScreenWidth = stream.ReadShort(),
LogicalScreenHeight = stream.ReadShort(),
PackedFields = (byte) stream.ReadByte()
};
result.GlobalColorTableFlag = ((result.PackedFields & 0x80) >> 7) == 1;
result.ColorResolution = (byte) ((result.PackedFields & 0x60) >> 5);
result.SortFlag = (byte) (result.PackedFields & 0x10) >> 4;
result.GlobalColorTableSize = 2 << (result.PackedFields & 0x07);
result.BackgroundColorIndex = (byte) stream.ReadByte();
result.PixelAspectRatio = (byte) stream.ReadByte();
return result;
}示例4: Read
public static ImageDescriptor Read(Stream stream)
{
var result = new ImageDescriptor
{
ImageLeftPosition = stream.ReadShort(),
ImageTopPosition = stream.ReadShort(),
ImageWidth = stream.ReadShort(),
ImageHeight = stream.ReadShort(),
PackedFields = (byte) stream.ReadByte()
};
result.LocalColorTableFlag = ((result.PackedFields & 0x80) >> 7) == 1;
result.InterlaceFlag = ((result.PackedFields & 0x40) >> 6) == 1;
result.SortFlag = ((result.PackedFields & 0x20) >> 5) == 1;
result.LocalColorTableSize = (2 << (result.PackedFields & 0x07));
return result;
}示例5: Read
public static GraphicControlExtension Read(Stream stream)
{
var blockSize = stream.ReadByte();
if (blockSize != BlockSize)
{
throw new GifException("Graphic control extension data format error");
}
var result = new GraphicControlExtension
{
PackedFields = (byte) stream.ReadByte()
};
result.TransparentColorFlag = (result.PackedFields & 0x01) == 1;
result.DisposalMethod = (result.PackedFields & 0x1C) >> 2;
result.DelayTime = stream.ReadShort();
result.TransparentColorIndex = (byte) stream.ReadByte();
stream.ReadByte();
return result;
}示例6: ReadFromStream
public override void ReadFromStream(Stream aStream)
{
SlotID = aStream.ReadShort ();
}示例7: ReadMessageIdentifier
protected void ReadMessageIdentifier(Stream stream) {
MessageIdentifier = stream.ReadShort();
length += 2;
}示例8: ReadKeepAlive
protected void ReadKeepAlive(Stream stream) {
KeepAlive = stream.ReadShort();
length += 2;
}示例9: DecodeParamI4
internal int DecodeParamI4(Stream reader)
{
switch (this.flags & OpcodeFlags.OperandType) {
case OpcodeFlags.NoOperand:
throw new Exception ("no param");
case OpcodeFlags.OperandSize1:
return reader.ReadByte ();
case OpcodeFlags.OperandSize2:
return reader.ReadShort ();
case OpcodeFlags.OperandSize4:
return reader.ReadInt ();
case OpcodeFlags.OperandSize8:
throw new Exception ("param of size 8");
case OpcodeFlags.OperandSwitch:
throw new Exception ("variable length param");
default:
throw new Exception ("invalid opcode type " + this.flags);
}
}示例10: CreateExceptionFromError
private static Exception CreateExceptionFromError(Stream stream)
{
ErrorCodes code = (ErrorCodes) stream.ReadInt();
string msg = stream.ReadString();
switch (code)
{
case ErrorCodes.Unavailable:
{
ConsistencyLevel cl = (ConsistencyLevel) stream.ReadShort();
int required = stream.ReadInt();
int alive = stream.ReadInt();
return new UnavailableException(msg, cl, required, alive);
}
case ErrorCodes.WriteTimeout:
{
ConsistencyLevel cl = (ConsistencyLevel) stream.ReadShort();
int received = stream.ReadInt();
int blockFor = stream.ReadInt();
string writeType = stream.ReadString();
return new WriteTimeOutException(msg, cl, received, blockFor, writeType);
}
case ErrorCodes.ReadTimeout:
{
ConsistencyLevel cl = (ConsistencyLevel) stream.ReadShort();
int received = stream.ReadInt();
int blockFor = stream.ReadInt();
bool dataPresent = 0 != stream.ReadByte();
return new ReadTimeOutException(msg, cl, received, blockFor, dataPresent);
}
case ErrorCodes.Syntax:
return new SyntaxException(msg);
case ErrorCodes.Unauthorized:
return new UnauthorizedException(msg);
case ErrorCodes.Invalid:
return new InvalidException(msg);
case ErrorCodes.AlreadyExists:
{
string keyspace = stream.ReadString();
string table = stream.ReadString();
return new AlreadyExistsException(msg, keyspace, table);
}
case ErrorCodes.Unprepared:
{
byte[] unknownId = stream.ReadShortBytes();
return new UnpreparedException(msg, unknownId);
}
default:
return new CassandraException(code, msg);
}
}