public void CopyTo(FastBitmap bitmap, int destx, int desty, int srcx, int srcy, int width, int height)
{
try
{
this.Lock();
bitmap.Lock();
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
Color pixel = this.GetPixel(srcx + j, srcy + i);
bitmap.SetPixel(destx + j, desty + i, pixel);
}
}
}
finally
{
this.Unlock();
bitmap.Unlock();
}
}
internal FastBitmap Flatten()
{
Layer layer;
FastBitmap bitmap = new FastBitmap(this._width, this._height, PixelFormat.Format24bppRgb);
bitmap.Lock();
int num = 0;
while (num < this._layers.Count)
{
layer = this._layers[num];
layer._bitmap.Lock();
if (layer.Mask != null)
{
layer.Mask.Lock();
}
num++;
}
for (int i = 0; i < this._height; i++)
{
for (int j = 0; j < this._width; j++)
{
Color pixel = this._layers[0]._bitmap.GetPixel(j, i);
num = 1;
while (num < this._layers.Count)
{
Layer layer2 = this._layers[num];
Color transparent = Color.Transparent;
if ((((j >= layer2.OffsetX) && (j <= ((layer2.OffsetX + layer2._bitmap.Width) - 1))) && (i >= layer2.OffsetY)) && (i <= ((layer2.OffsetY + layer2._bitmap.Height) - 1)))
{
transparent = layer2._bitmap.GetPixel(j - layer2.OffsetX, i - layer2.OffsetY);
}
if (((transparent.A == 0xff) && (layer2.Opacity == 1.0)) && (layer2.Mask == null))
{
pixel = transparent;
}
else
{
double num7 = (((double)transparent.A) / 255.0) * layer2.Opacity;
if (layer2.Mask != null)
{
num7 *= ((double)layer2.Mask.GetIntensity(j, i)) / 255.0;
}
double a = (transparent.R * num7) + (pixel.R * (1.0 - num7));
double num5 = (transparent.G * num7) + (pixel.G * (1.0 - num7));
double num6 = (transparent.B * num7) + (pixel.B * (1.0 - num7));
a = Math.Round(a);
num5 = Math.Round(num5);
num6 = Math.Round(num6);
a = Math.Min(a, 255.0);
num5 = Math.Min(num5, 255.0);
num6 = Math.Min(num6, 255.0);
pixel = Color.FromArgb((byte)a, (byte)num5, (byte)num6);
}
num++;
}
bitmap.SetPixel(j, i, pixel);
}
}
for (num = 0; num < this._layers.Count; num++)
{
layer = this._layers[num];
layer._bitmap.Unlock();
if (layer.Mask != null)
{
layer.Mask.Unlock();
}
}
bitmap.Unlock();
return(bitmap);
}