protected override Tuple <Bitmap.Image, Tuple <string, object>[]> Generate(int frame)
{
Bitmap.Image result = new Bitmap.Bgra(this.resolution);
int width = result.Size.Width;
unsafe
{
byte *pointer = (byte *)result.Pointer;
for (int x = 0; x < result.Size.Width; x++)
{
for (int y = 0; y < result.Size.Height; y++)
{
int pixel = (x + y * result.Size.Width) * 4;
double value =
(Math.Sin(Convert.ToSingle((x + frame * 10) % result.Size.Width) / Convert.ToSingle(result.Size.Width) * 2.0 * Math.PI * 7) +
Math.Sin(Convert.ToSingle(y) / Convert.ToSingle(result.Size.Height) * 2.0 * Math.PI * 5) + 2.0)
/ 4.0 * 254.0;
byte byteValue = Convert.ToByte(value * (Math.Sin(Convert.ToSingle(y * 0.005 + frame * 0.5)) + 1.0) / 2.0);
byte red = byteValue;
byte green = 0;
byte blue = Convert.ToByte(255 - byteValue);
pointer[4 * (y * width + x) + 0] = blue;
pointer[4 * (y * width + x) + 1] = green;
pointer[4 * (y * width + x) + 2] = red;
pointer[4 * (y * width + x) + 3] = 255;
}
}
}
return(Tuple.Create <Bitmap.Image, Tuple <string, object>[]>(result, null));
}
public override Draw.Image Shift(Geometry2D.Integer.Size offset)
{
Raster.Image result = null;
if (this is Monochrome)
result = new Monochrome(this.Size);
else if (this is Bgr)
result = new Bgr(this.Size);
else if (this is Bgra)
result = new Bgra(this.Size);
else if (this is Yuyv)
result = new Yuyv(this.Size);
int offsetX = Kean.Math.Integer.Modulo(this is Yuyv && Kean.Math.Integer.Modulo(offset.Width, 2) != 0 ? offset.Width + 1 : offset.Width, this.Size.Width);
int length = (this.Size.Width - offsetX) * this.BytesPerPixel;
int line = this.Size.Width * this.BytesPerPixel;
for (int y = 0; y < this.Size.Height; y++)
{
int destination = Kean.Math.Integer.Modulo(y + offset.Height, this.Size.Height) * this.Stride;
result.Buffer.CopyFrom(this.Buffer, this.Stride * y, destination + offsetX * this.BytesPerPixel, length);
result.Buffer.CopyFrom(this.Buffer, this.Stride * y + length, destination, line - length);
}
return result;
}
protected Bgra(Bgra original) :
base(original) { }
public Raster.Image Read()
{
Raster.Image result = null;
switch (this.Type)
{
default:
case TextureType.Rgba:
result = new Raster.Bgra(this.Size);
break;
case TextureType.Rgb:
result = new Raster.Bgr(this.Size);
break;
case TextureType.Monochrome:
result = new Raster.Monochrome(this.Size);
break;
}
this.Use();
this.Read(result.Pointer);
this.UnUse();
return result;
}
