static void Main(string[] args)
{
int width = int.Parse(args[0]);
int height = int.Parse(args[1]);
int colors = int.Parse(args[2]);
string path = args[3];
using (FileStream fs = new FileStream(path, FileMode.Create)) {
GIF gif = new GIF()
{
Output = fs,
ScreenWidth = width,
ScreenHeight = height,
GlobalColorTable = new GIF.ColorTable()
{
Table = new Color[colors],
},
Debug = true,
};
for(int n = 0; n < colors; ++n) {
gif.GlobalColorTable.Table[n] = Color.FromArgb(n, n, n);
}
GIF.Image image = new GIF.Image()
{
ImageData = new byte[width * height],
};
for (int n = 0; n < image.ImageData.Length; ++n) {
image.ImageData[n] = (byte)(n % colors);
}
gif.Begin();
gif.WriteImage(image);
gif.End();
fs.Flush();
}
}
public void EmptyGifTest()
{
using (MemoryStream stream = new MemoryStream()) {
GIF gif = new GIF()
{
Output = stream,
ScreenWidth = 0,
ScreenHeight = 0,
GlobalColorTable = new GIF.ColorTable()
{
Table = new Color[2] { Color.White, Color.Black }
}
};
gif.Begin();
gif.WriteImage(new GIF.Image()
{
ImageData = new byte[0],
});
gif.End();
int codeSize = 2;
int clear = 1 << codeSize;
int end = 1 + clear;
TestUtils.AreEqual(new byte[] {
// 0: Signature
(byte)'G', (byte)'I', (byte)'F',(byte)'8', (byte)'9', (byte)'a',
// 6: Logical screen descriptor
0, 0,
0, 0,
0xF0,
0,
49,
// 13: Global Color Table
0xFF, 0xFF, 0xFF,
0, 0, 0,
// 19: Graphic control extension
0x21, 0xF9, 0x04,
1 << 2, 0, 0, 0,
0,
// 27: Image descriptor
0x2C,
0, 0,
0, 0,
0, 0,
0, 0,
0,
// 37: Image data
// 37: Minimum code size
2,
// 38: Data block
1,
(byte)(clear
| (end << 3)),
// 40: Block terminator
0,
// 41: Trailer
0x3B
}, stream.ToArray(), "EmptyGifTest");
}
}
private void InitializeRecording()
{
string path = FindUniqueFilename();
RecordStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read); // TODO errors
RecordContext = new GIF()
{
Output = RecordStream,
ScreenWidth = Arena.Width * Scale,
ScreenHeight = Arena.Height * Scale,
GlobalColorTable = GIFPalette,
AutoClose = true,
};
RecordPixels = new byte[Arena.Width * Arena.Height * Scale * Scale];
RecordContext.Begin();
}
private void ShutdownRecording()
{
RecordStream.Flush(); // TODO errors
RecordStream.Dispose();
RecordStream = null;
RecordContext = null;
}
private void InitializeRecording()
{
string path = FindUniqueFilename();
RecordStream = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read); // TODO errors
RecordContext = new GIF()
{
Output = RecordStream,
ScreenWidth = Arena.Width * Scale,
ScreenHeight = Arena.Height * Scale,
GlobalColorTable = GIFPalette,
AutoClose = true,
};
RecordPixels = new byte[Arena.Width * Arena.Height * Scale * Scale];
RecordContext.Begin();
}