private void AssetBrowserDocument_IsActiveChanged(object sender, EventArgs e)
{
if (!AssetBrowserDocument.IsActive)
{
ThumbnailCache.Write(true);
}
}
unsafe void OnRenderModel()
{
if (mRenderer == null)
{
return;
}
mTarget.Clear();
mTarget.Apply();
var ctx = WorldFrame.Instance.GraphicsContext;
var vp = ctx.Viewport;
ctx.Context.Rasterizer.SetViewport(new Viewport(0, 0, ImgWidth, ImgHeight, 0.0f, 1.0f));
ctx.Context.VertexShader.SetConstantBuffer(0, mMatrixBuffer.Native);
mRenderer.RenderPortrait();
mTarget.Remove();
ctx.Context.Rasterizer.SetViewport(vp);
ctx.Context.ResolveSubresource(mTarget.Texture, 0, mResolveTexture, 0, Format.B8G8R8A8_UNorm);
ctx.Context.CopyResource(mResolveTexture, mMapTexture);
var box = ctx.Context.MapSubresource(mMapTexture, 0, MapMode.Read, MapFlags.None);
var bmp = new Bitmap(ImgWidth, ImgHeight, PixelFormat.Format32bppArgb);
var bmpd = bmp.LockBits(new Rectangle(0, 0, bmp.Width, bmp.Height), ImageLockMode.WriteOnly,
PixelFormat.Format32bppArgb);
byte *ptrDst = (byte *)bmpd.Scan0.ToPointer();
byte *ptrSrc = (byte *)box.DataPointer.ToPointer();
for (var i = 0; i < bmp.Height; ++i)
{
UnsafeNativeMethods.CopyMemory(ptrDst + i * bmp.Width * 4, ptrSrc + i * box.RowPitch, bmp.Width * 4);
}
bmp.UnlockBits(bmpd);
ctx.Context.UnmapSubresource(mMapTexture, 0);
//Cache thumbnail
if (mThumbnailCaptureFrame > 0 && --mThumbnailCaptureFrame == 0)
{
renderTimer.Stop();
Bitmap thumbnail = new Bitmap(ImgWidth, ImgHeight);
using (var g = System.Drawing.Graphics.FromImage(thumbnail))
{
g.Clear(Color.Black);
g.DrawImage(bmp, new PointF(0, 0));
}
ThumbnailCache.Cache(mRenderer.Model.FileName, thumbnail);
if (mModels.Count > 0) //More models so render next
{
LoadModel();
}
}
}
private void Window_Unloaded(object sender, RoutedEventArgs e)
{
ThumbnailCache.Write(true);
}