public void DisposeResources(GraphicsContext graphics)
{
_updateTimer?.Change(Timeout.Infinite, Timeout.Infinite);
_updateTimer = null;
_bitmap?.Dispose();
_bitmap = null;
_brush?.Dispose();
_bitmapMemory = null;
}
private void RenderBitmap(GraphicsContext graphics)
{
Log.InfoFormat("Rendering Bitmap");
int xOffset = 0, zOffset = 0;
Size2 size = Size2.Empty;
ChunkCacheBitmap[] cache;
lock (_renderSync)
{
_isDirty = false;
xOffset = Math.Min(0, _minChunk.X) * -1;
zOffset = Math.Min(0, _minChunk.Z) * -1;
size = _imageSize;
cache = _chunkCache.Values.ToArray();
}
var arrSize = size.Width * size.Height * 4;
if (_bitmap == null || _bitmapMemory == null || _bitmapMemory.Length != arrSize)
{
_bitmapMemory = new byte[arrSize];
_bitmap = new SharpDX.Direct2D1.Bitmap(graphics.Target2D, size, new BitmapProperties(graphics.Target2D.PixelFormat));
}
_scale = Math.Min(graphics.ViewportSize.Width / (float)size.Width,
graphics.ViewportSize.Height / (float)size.Height);
_scaleMatrix = Matrix3x2.Scaling(_scale);
if (cache.Length == 0)
{
return;
}
foreach (var chunk in cache)
{
for (int z = 0; z < 16; z++)
{
Array.Copy(chunk.BitmapMemory, z * 16 * 4, _bitmapMemory, (size.Width * ((chunk.Z + zOffset) * 16 + z) * 4) + ((chunk.X + xOffset) * 16) * 4, 16 * 4);
}
//chunk.BitmapMemory.CopyTo(_bitmapMemory, (int)((_imageSize.Width * ((chunk.Z + _zOffset) * 16)) + ((chunk.X + _xOffset)* 16))*4);
}
_bitmap.CopyFromMemory(_bitmapMemory, size.Width * 4);
Log.InfoFormat("Rendering Bitmap Complete | Size: {0}", _bitmapMemory.Length);
}
public SharpDX.Direct2D1.Bitmap LoadFromFile(RenderTarget renderTarget, System.Drawing.Bitmap bitmap)
{
SharpDX.Direct2D1.Bitmap match;
if (_cache.TryGetValue(bitmap, out match))
{
return(match);
}
var sourceArea = new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height);
var bitmapProperties = new BitmapProperties(new PixelFormat(Format.R8G8B8A8_UNorm, AlphaMode.Premultiplied));
var size = new Size2(bitmap.Width, bitmap.Height);
// Transform pixels from BGRA to RGBA
int stride = bitmap.Width * sizeof(int);
using (var tempStream = new DataStream(bitmap.Height * stride, true, true))
{
// Lock System.Drawing.Bitmap
var bitmapData = bitmap.LockBits(sourceArea, ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
// Convert all pixels
for (int y = 0; y < bitmap.Height; y++)
{
int offset = bitmapData.Stride * y;
for (int x = 0; x < bitmap.Width; x++)
{
// Not optimized
byte B = Marshal.ReadByte(bitmapData.Scan0, offset++);
byte G = Marshal.ReadByte(bitmapData.Scan0, offset++);
byte R = Marshal.ReadByte(bitmapData.Scan0, offset++);
byte A = Marshal.ReadByte(bitmapData.Scan0, offset++);
int rgba = R | (G << 8) | (B << 16) | (A << 24);
tempStream.Write(rgba);
}
}
bitmap.UnlockBits(bitmapData);
tempStream.Position = 0;
match = new SharpDX.Direct2D1.Bitmap(renderTarget, size, tempStream, stride, bitmapProperties);
_cache.TryAdd(bitmap, match);
}
return(match);
}
