private DTexture PointScale2()
{
DTexture tex = new DTexture(this.width * 2, this.width * 2);
for (int x = 0; x < this.width; x++)
{
for (int y = 0; y < this.height; y++)
{
tex.SetPixel((x * 2), (y * 2), this.GetPixel(x, y));
tex.SetPixel((x * 2) + 1, (y * 2), this.GetPixel(x, y));
tex.SetPixel((x * 2), (y * 2) + 1, this.GetPixel(x, y));
tex.SetPixel((x * 2) + 1, (y * 2) + 1, this.GetPixel(x, y));
}
}
return(tex);
}
private DTexture BilinearScale2()
{
DTexture tex = new DTexture(this.width * 2, this.width * 2);
for (int x = 0; x < tex.width; x++)
{
for (int y = 0; y < tex.height; y++)
{
//sample and average the four colours around this pixel
float v = 0;
v += 0.25f * this.GetPixel(Mathf.FloorToInt((float)(x - 1) / 2f), Mathf.FloorToInt((float)(y) / 2f));
v += 0.25f * this.GetPixel(Mathf.FloorToInt((float)(x) / 2f), Mathf.FloorToInt((float)(y - 1) / 2f));
v += 0.25f * this.GetPixel(Mathf.FloorToInt((float)(x) / 2f), Mathf.FloorToInt((float)(y + 1) / 2f));
v += 0.25f * this.GetPixel(Mathf.FloorToInt((float)(x + 1) / 2f), Mathf.FloorToInt((float)(y) / 2f));
tex.SetPixel(x, y, v);
}
}
return(tex);
}