private void CreateBitmap()
{
BitmapData bitmapData = this.orgBitmap.LockBits(new Rectangle(0, 0, this.orgBitmap.Width, this.orgBitmap.Height),
ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppRgb);
using (DataStream dataStream = new DataStream(bitmapData.Scan0, bitmapData.Stride * bitmapData.Height, true, false))
{
PixelFormat format = new PixelFormat(Format.B8G8R8A8_UNorm, AlphaMode.Premultiplied);
BitmapProperties properties = new BitmapProperties();
properties.HorizontalDpi = properties.VerticalDpi = 96;
properties.PixelFormat = format;
if (this.SpriteBitmap != null && !this.SpriteBitmap.Disposed)
{
this.SpriteBitmap.Dispose();
}
this.SpriteBitmap = new SlimDX.Direct2D.Bitmap(this.batch.DWRenderTarget, new Size(this.orgBitmap.Width, this.orgBitmap.Height),
dataStream, bitmapData.Stride, properties);
this.orgBitmap.UnlockBits(bitmapData);
}
}
/**
* Render with or without texture
**/
protected override void _render()
{
if (this._bitmap == null)
{
// Render in solid color
if (_brush == null)
_brush = new SolidColorBrush(Device.RenderTarget, Color);
Device.RenderTarget.FillRectangle(_brush, _rectangle);
return;
}
if (this._d2dBitmap == null)
{
// Load the texture
var bitmapData = this._bitmap.LockBits(
new Rectangle(new Point(0, 0), this._bitmap.Size),
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppPArgb
);
var dataStream = new SlimDX.DataStream(
bitmapData.Scan0,
bitmapData.Stride * bitmapData.Height,
true,
false
);
var d2dPixelFormat = new SlimDX.Direct2D.PixelFormat(
SlimDX.DXGI.Format.B8G8R8A8_UNorm,
SlimDX.Direct2D.AlphaMode.Premultiplied
);
var d2dBitmapProperties = new SlimDX.Direct2D.BitmapProperties();
d2dBitmapProperties.PixelFormat = d2dPixelFormat;
_d2dBitmap = new SlimDX.Direct2D.Bitmap(
Device.RenderTarget,
new Size(this._bitmap.Width, this._bitmap.Height),
dataStream,
bitmapData.Stride,
d2dBitmapProperties
);
this._bitmap.UnlockBits(bitmapData);
}
// Render the texture
Device.RenderTarget.DrawBitmap(_d2dBitmap, _rectangle);
}