public Bitmap DrawSceneByPointsBitmap(int width, int height, List <MPoint> points)
{
Bitmap bitmap = new Bitmap(width, height);
var zBufferManager = new Tools.ZBuffer(width, height);
var zBuffer = zBufferManager.GetBuffer(points);
//Moves 0,0 point from top-left to bottom-left
for (int i = 0; i < points.Count; ++i)
{
points[i].Y = height - points[i].Y;
}
for (int i = 0; i < bitmap.Width; ++i)
{
for (int j = 0; j < bitmap.Height; ++j)
{
var color = System.Drawing.Color.FromArgb(zBuffer[i + j * width].ARGB);
bitmap.SetPixel(i, j, color);
}
}
//for (int i = 0; i < points.Count; ++i)
// bitmap.SetPixel((int)points[i].X, (int)points[i].Y, System.Drawing.Color.Black);
return(bitmap);
}
//public void DrawScene(Scene scene, HashSet<Point3D> points)
//{
// Int32Rect rect = new Int32Rect(0, 0, (int)scene.Bitmap.Width, (int)scene.Bitmap.Height);
// byte[] pixels = new byte[(int)scene.Bitmap.Width * (int)scene.Bitmap.Height * scene.Bitmap.Format.BitsPerPixel / 8];
// for (int y = 0; y < scene.Bitmap.PixelHeight; y++)
// {
// for (int x = 0; x < scene.Bitmap.PixelWidth; x++)
// {
// var currPoint = new Point3D(x, y, 0);
// int alpha = 255;
// int red = 255;
// int green = 255;
// int blue = 255;
// if (points.Contains(currPoint))
// {
// alpha = 255;
// red = 0;
// green = 0;
// blue = 0;
// }
// int pixelOffset = (x + y * scene.Bitmap.PixelWidth) * scene.Bitmap.Format.BitsPerPixel / 8;
// pixels[pixelOffset] = (byte)blue;
// pixels[pixelOffset + 1] = (byte)green;
// pixels[pixelOffset + 2] = (byte)red;
// pixels[pixelOffset + 3] = (byte)alpha;
// }
// }
// int stride = (scene.Bitmap.PixelWidth * scene.Bitmap.Format.BitsPerPixel) / 8;
// scene.Bitmap.WritePixels(rect, pixels, stride, 0);
//}
public WriteableBitmap DrawSceneByPoints(int width, int height, List <MPoint> points)
{
WriteableBitmap wBitmap = new WriteableBitmap(width, height, 96, 96, PixelFormats.Bgra32, null);
Int32Rect rect = new Int32Rect(0, 0, width, height);
var stride = (rect.Width * wBitmap.Format.BitsPerPixel + 7) / 8;
byte[] pixels = new byte[rect.Height * stride];
//Moves 0,0 point from top-left to bottom-left
for (int i = 0; i < points.Count; ++i)
{
points[i].Y = height - points[i].Y;
}
var zBufferManager = new Tools.ZBuffer(width, height);
var zBuffer = zBufferManager.GetBuffer(points);
for (int i = 0; i < zBuffer.Length; ++i)
{
var color = System.Drawing.Color.FromArgb(zBuffer[i].ARGB);
int pixelOffset = i * wBitmap.Format.BitsPerPixel / 8;
pixels[pixelOffset] = color.B;
pixels[pixelOffset + 1] = color.G;
pixels[pixelOffset + 2] = color.R;
pixels[pixelOffset + 3] = 255;
}
//for (int i = 0; i < points.Count; ++i)
//{
// var color = System.Drawing.Color.FromArgb(zBuffer[(int)points[i].X + (int)points[i].Y * width].ARGB);
// int pixelOffset = (int)(points[i].X + points[i].Y * wBitmap.PixelWidth) * wBitmap.Format.BitsPerPixel / 8;
// pixels[pixelOffset] = color.B;
// pixels[pixelOffset + 1] = color.G;
// pixels[pixelOffset + 2] = color.R;
// pixels[pixelOffset + 3] = color.A;
//}
wBitmap.WritePixels(rect, pixels, stride, 0);
return(wBitmap);
}
