private static AnimationChainListSave DeserializeManually(string fileName)
{
AnimationChainListSave toReturn = new AnimationChainListSave();
System.Xml.Linq.XDocument xDocument = null;
using (var stream = FileManager.GetStreamForFile(fileName))
{
xDocument = System.Xml.Linq.XDocument.Load(stream);
}
System.Xml.Linq.XElement foundElement = null;
foreach (var element in xDocument.Elements())
{
if (element.Name.LocalName == "AnimationChainArraySave")
{
foundElement = element;
break;
}
}
LoadFromElement(toReturn, foundElement);
return(toReturn);
}
private static byte[] LoadFile(string fileName)
{
// September 14, 2010:
// I think we can just standardize the reading of the file by simply by using
// the GetStreamForFile method instead of branching.
//#if !WINDOWS_PHONE
// System.Diagnostics.Trace.Write(Path.Combine(Microsoft.Xna.Framework.Storage.StorageContainer.TitleLocation, fileName.Replace("/", "\\")));
// FileStream file = File.OpenRead(Path.Combine(Microsoft.Xna.Framework.Storage.StorageContainer.TitleLocation, fileName.Replace("/", "\\")));
// byte[] source = ReadFile(file);
// return source;
//#else
Stream stream = FileManager.GetStreamForFile(fileName);
byte[] source = ReadFile(stream);
FileManager.Close(stream);
return(source);
//#endif
}
public static ImageDataList GetImageDataList(string gifFileName)
{
ImageDataList imageDatas = new ImageDataList();
#if XBOX360 || SILVERLIGHT
if (gifFileName.StartsWith(@".\") || gifFileName.StartsWith(@"./"))
{
gifFileName = gifFileName.Substring(2);
}
#endif
#if SILVERLIGHT || WINDOWS_8
using (Stream stream = FileManager.GetStreamForFile(gifFileName))
#else
using (FileStream stream = System.IO.File.OpenRead(gifFileName))
#endif
{
mGifInfo = new GifInfo();
mGifInfo.DelayTimes = new List <short>();
BinaryReader reader = new BinaryReader(stream);
#region header
// Example: GIF89a
byte[] buffer = reader.ReadBytes(6);
// set the header here
char[] charArray = new char[buffer.Length];
for (int i = 0; i < buffer.Length; i++)
{
charArray[i] = (char)buffer[i];
}
mGifInfo.Header = new string(charArray);
#endregion
#region Width/Height
mGifInfo.Width = reader.ReadInt16();
mGifInfo.Height = reader.ReadInt16();
#endregion
#region Packed information
// The packed byte has the following info:
// Bits 0-2 Size of the Global Color Table
// Bit 3 Color Table Sort Flag
// Bits 4-6 Color Resolution
// Bit 7 Global Color Table Flag
Byte packedByte = reader.ReadByte();
int sizeOfGlobalColorTable = (7 & packedByte);
mGifInfo.NumberOfColorEntries = 1 * (1 << (sizeOfGlobalColorTable + 1));
mGifInfo.HasGlobalColorTable = (128 & packedByte) != 0;
#endregion
#region background color
reader.ReadByte();
#endregion
#region default aspect ratio
reader.ReadByte();
#endregion
TryReadGlobalColorTable(reader);
byte separator = reader.ReadByte();
while (separator != 0x3b) // Extension
{
switch (separator)
{
#region Extensions
case 0x21:
Byte label = reader.ReadByte();
switch (label)
{
case 0xf9:
ReadGraphicsControlExtension(reader);
break;
case 0xff:
ReadApplicationExtensionBlock(reader);
break;
case 0xfe:
ReadCommonExtensionBlock(reader);
break;
}
break;
#endregion
#region Image Data
case 0x2c:
ReadImageDescriptor(reader);
Color[] color = new Color[mGifInfo.Width * mGifInfo.Height];
int transparentIndex = mGifInfo.TransparentIndex;
#region Interlaced
if (mGifInfo.IsInterlaced)
{
int i = 0;
for (int pass = 0; pass < 4; ++pass)
{
int row = 0;
int increment = 0;
switch (pass)
{
case 0: row = 0; increment = 8; break;
case 1: row = 4; increment = 8; break;
case 2: row = 2; increment = 4; break;
case 3: row = 1; increment = 2; break;
}
for (; row < mGifInfo.Height; row += increment)
{
for (int col = 0; col < mGifInfo.Width; ++col)
{
int position = (row * mGifInfo.Width) + col;
byte index = mUncompressedColorIndexBuffer[i++];
byte alpha = 255;
if (mGifInfo.HasTransparency && index == transparentIndex)
{
alpha = 0;
}
#if FRB_XNA || SILVERLIGHT || WINDOWS_PHONE
color[position] = new Color(
(byte)mGifInfo.PaletteInfo.Entries[index].R,
(byte)mGifInfo.PaletteInfo.Entries[index].G,
(byte)mGifInfo.PaletteInfo.Entries[index].B,
(byte)alpha);
#elif FRB_MDX
color[position] = Color.FromArgb(
alpha,
(byte)mGifInfo.PaletteInfo.Entries[index].R,
(byte)mGifInfo.PaletteInfo.Entries[index].G,
(byte)mGifInfo.PaletteInfo.Entries[index].B);
#endif
}
}
}
}
#endregion
else
{
#region NonInterlaced
for (int i = 0; i < mGifInfo.PaletteInfo.Entries.Length; i++)
{
mGifInfo.PaletteInfo.Entries[transparentIndex].A = 255;
}
if (mGifInfo.HasTransparency)
{
mGifInfo.PaletteInfo.Entries[transparentIndex].A = 0;
}
int x = 0;
int y = 0;
int colorIndex;
for (int i = 0; i < mUncompressedColorIndexBuffer.Count; i++)
{
byte index = mUncompressedColorIndexBuffer[i];
// Let's see if we can avoid an if statement
x = mGifInfo.CurrentBlockLeft + i % mGifInfo.CurrentBlockWidth;
y = mGifInfo.CurrentBlockTop + i / mGifInfo.CurrentBlockWidth;
colorIndex = x + y * mGifInfo.Width;
#if FRB_XNA || SILVERLIGHT || WINDOWS_PHONE
color[colorIndex] = new Color(
(byte)mGifInfo.PaletteInfo.Entries[index].R,
(byte)mGifInfo.PaletteInfo.Entries[index].G,
(byte)mGifInfo.PaletteInfo.Entries[index].B,
(byte)mGifInfo.PaletteInfo.Entries[index].A);
#elif FRB_MDX
color[colorIndex] = Color.FromArgb(
(byte)mGifInfo.PaletteInfo.Entries[index].A,
(byte)mGifInfo.PaletteInfo.Entries[index].R,
(byte)mGifInfo.PaletteInfo.Entries[index].G,
(byte)mGifInfo.PaletteInfo.Entries[index].B);
#endif
}
#endregion
}
ImageData imageData = new ImageData(
mGifInfo.Width, mGifInfo.Height, color);
imageDatas.Add(imageData);
mUncompressedColorIndexBuffer.Clear();
break;
#endregion
#region End of file
case 0x3b:
// end of file
break;
#endregion
}
separator = reader.ReadByte();
}
}
// Fill the imageDatas with the frame times
foreach (short s in mGifInfo.DelayTimes)
{
imageDatas.FrameTimes.Add(s / 100.0);
}
return(imageDatas);
}
