public DXGraphicsView()
{
canvas = new DXCanvas();
#if WINDOWS_UWP
var displayInformation = DisplayInformation.GetForCurrentView();
canvas.Dpi = displayInformation.LogicalDpi;
#endif
BackgroundColor = Colors.Green;
}
public override void Dispose()
{
if (_canvas != null)
{
_canvas.Dispose();
_canvas = null;
}
if (_bitmap != null && _disposeBitmap)
{
_bitmap.Dispose();
_bitmap = null;
}
base.Dispose();
}
public DXWicContext(int width, int height)
{
_bitmap = new wic.Bitmap(
DXGraphicsService.FactoryImaging,
width,
height,
wic.PixelFormat.Format32bppBGR,
wic.BitmapCreateCacheOption.CacheOnLoad);
var renderTargetProperties = new d2.RenderTargetProperties(d2.RenderTargetType.Default,
new d2.PixelFormat(dxgi.Format.Unknown,
d2.AlphaMode.Unknown), 0, 0,
d2.RenderTargetUsage.None,
d2.FeatureLevel.Level_DEFAULT);
_renderTarget = new d2.WicRenderTarget(DXGraphicsService.SharedFactory, _bitmap, renderTargetProperties);
_renderTarget.BeginDraw();
_canvas = new DXCanvas(_renderTarget);
}
public void Dispose()
{
if (_canvas != null)
{
_canvas.Dispose();
_canvas = null;
}
if (_bitmap != null)
{
_bitmap.Dispose();
_bitmap = null;
}
if (_renderTarget != null)
{
_renderTarget.Dispose();
_renderTarget = null;
}
}
public DXBitmapExportContext(int width, int height, float displayScale = 1, int dpi = 72, bool disposeBitmap = true)
: base(width, height, dpi)
{
_disposeBitmap = disposeBitmap;
if (_default3DDevice == null)
{
_default3DDevice = new d3d.Device(DriverType.Hardware, d3d.DeviceCreationFlags.VideoSupport | d3d.DeviceCreationFlags.BgraSupport);
// default3DDevice = new d3d.Device(DriverType.Warp, d3d.DeviceCreationFlags.BgraSupport);
_default3DDevice1 = _default3DDevice.QueryInterface <d3d.Device1>();
_dxgiDevice = _default3DDevice1.QueryInterface <dxgi.Device>(); // get a reference to DXGI device
_device2D = new d2.Device(_dxgiDevice);
// initialize the DeviceContext - it will be the D2D render target
_deviceContext = new d2.DeviceContext(_device2D, d2.DeviceContextOptions.None);
}
// specify a pixel format that is supported by both and WIC
_pixelFormat = new d2.PixelFormat(dxgi.Format.B8G8R8A8_UNorm, d2.AlphaMode.Premultiplied);
// create the d2d bitmap description using default flags
var bitmapProps = new d2.BitmapProperties1(_pixelFormat, Dpi, Dpi,
d2.BitmapOptions.Target | d2.BitmapOptions.CannotDraw);
// create our d2d bitmap where all drawing will happen
_bitmap = new d2.Bitmap1(_deviceContext, new Size2(width, height), bitmapProps);
// associate bitmap with the d2d context
_deviceContext.Target = _bitmap;
_deviceContext.BeginDraw();
_deviceContext.Clear(new Color4 {
Alpha = 0, Blue = 0, Green = 0, Red = 0
});
_canvas = new DXCanvas(_deviceContext)
{
DisplayScale = displayScale
};
}
