public void Render()
{
if (!_isDirty)
{
return;
}
if (!IsEnabled)
{
return;
}
_wicRenderTarget.BeginDraw();
_wicRenderTarget.Clear(_clearColor);
_wicRenderTarget.DrawText(_text, _textFormat, _rect, _sceneColorBrush);
_wicRenderTarget.EndDraw();
var bitmapLock = _wicBitmap.Lock(SharpDX.WIC.BitmapLockFlags.Read);
DataStream stream;
_immediateContext.MapSubresource(_renderTexture, 0, 0, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out stream);
stream.WriteRange(bitmapLock.Data.DataPointer, _bitmapSize);
_immediateContext.UnmapSubresource(_renderTexture, 0);
stream.Dispose();
bitmapLock.Dispose();
_isDirty = false;
}
public void OnRender(float framesPerSecond)
{
if (_isEnabled == false)
{
return;
}
if (fps != framesPerSecond)
{
fps = framesPerSecond;
textString = string.Format("FPS: {0}\n{1}", fps.ToString("0.00", culture), _text);
_wicRenderTarget.BeginDraw();
_wicRenderTarget.Clear(clearColor);
_wicRenderTarget.DrawText(textString, _textFormat, rect, _sceneColorBrush);
_wicRenderTarget.EndDraw();
var bitmapLock = _wicBitmap.Lock(SharpDX.WIC.BitmapLockFlags.Read);
DataStream stream;
_immediateContext.MapSubresource(_renderTexture, 0, 0, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out stream);
stream.WriteRange(bitmapLock.Data.DataPointer, _width * _height * 4);
_immediateContext.UnmapSubresource(_renderTexture, 0);
stream.Dispose();
bitmapLock.Dispose();
}
}
private unsafe byte *GetBitmapData(string s, out int stride)
{
FreeBitmapData();
var size = GetMeasureString(s);
var w = (int)(Math.Ceiling(size.Width += 2));
var h = (int)(Math.Ceiling(size.Height += 2));
CreateBitmap(w, h);
_renderTarget.BeginDraw();
_renderTarget.Clear(TransparentColor);
_renderTarget.AntialiasMode = AntialiasMode.Aliased;
textFormat.TextAlignment = TextAlignment.Center;
_renderTarget.DrawText(s, textFormat, new RectangleF(0, 0, w, h), _brush);
_renderTarget.EndDraw();
//SaveToFile(@"C:\Xamarin\Cocos2D-XNAGraphics\" + s + ".png");
// Calculate stride of source
stride = _bitmap.Size.Width * 4;
// Create data array to hold source pixel data
//byte[] data = new byte[stride * _bitmap.Size.Height];
byte[] data = new byte[stride * _bitmap.Size.Height];
using (var datas = new DataStream(stride * _bitmap.Size.Height, true, true))
{
_bitmap.CopyPixels(stride, datas);
data = datas.ReadRange <byte>(data.Length);
}
ReleaseResources();
pinnedArray = GCHandle.Alloc(data, GCHandleType.Pinned);
IntPtr pointer = pinnedArray.AddrOfPinnedObject();
return((byte *)pointer);;
}
//
// http://stackoverflow.com/questions/9151615/how-does-one-use-a-memory-stream-instead-of-files-when-rendering-direct2d-images
//
// Identical to above SO question, except that we are rendering to MemoryStream because it was added to the API
//
private MemoryStream RenderStaticTextToBitmap()
{
var width = 400;
var height = 100;
var pixelFormat = WicPixelFormat.Format32bppBGR;
var wicFactory = new ImagingFactory();
var dddFactory = new SharpDX.Direct2D1.Factory();
var dwFactory = new SharpDX.DirectWrite.Factory();
var wicBitmap = new Bitmap(
wicFactory,
width,
height,
pixelFormat,
BitmapCreateCacheOption.CacheOnLoad);
var renderTargetProperties = new RenderTargetProperties(
RenderTargetType.Default,
new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown),
0,
0,
RenderTargetUsage.None,
FeatureLevel.Level_DEFAULT);
var renderTarget = new WicRenderTarget(
dddFactory,
wicBitmap,
renderTargetProperties)
{
TextAntialiasMode = TextAntialiasMode.Cleartype
};
renderTarget.BeginDraw();
var textFormat = new TextFormat(dwFactory, "Consolas", 48)
{
TextAlignment = SharpDX.DirectWrite.TextAlignment.Center,
ParagraphAlignment = ParagraphAlignment.Center
};
var textBrush = new SharpDX.Direct2D1.SolidColorBrush(
renderTarget,
SharpDX.Colors.Blue);
renderTarget.Clear(Colors.White);
renderTarget.DrawText(
"Hi, mom!",
textFormat,
new RectangleF(0, 0, width, height),
textBrush);
renderTarget.EndDraw();
var ms = new MemoryStream();
var stream = new WICStream(
wicFactory,
ms);
var encoder = new PngBitmapEncoder(wicFactory);
encoder.Initialize(stream);
var frameEncoder = new BitmapFrameEncode(encoder);
frameEncoder.Initialize();
frameEncoder.SetSize(width, height);
frameEncoder.PixelFormat = WicPixelFormat.FormatDontCare;
frameEncoder.WriteSource(wicBitmap);
frameEncoder.Commit();
encoder.Commit();
frameEncoder.Dispose();
encoder.Dispose();
stream.Dispose();
ms.Position = 0;
return(ms);
}
// private static SharpDX.Direct2D1.DeviceContext d2dContext;
public async static Task <MemoryStream> RenderStaticTextToBitmap(StorageFile imageFile)
{
var bitmap = new BitmapImage();
using (var strm = await imageFile.OpenAsync(FileAccessMode.Read))
{
bitmap.SetSource(strm);
}
var width = bitmap.PixelWidth;
var height = bitmap.PixelHeight;
var pixelFormat = WicPixelFormat.Format32bppBGR;
var wicFactory = new ImagingFactory2();
var dddFactory = new SharpDX.Direct2D1.Factory();
var dwFactory = new SharpDX.DirectWrite.Factory();
WicRenderTarget renderTarget;
Bitmap wicBitmap;
using (var bitmapSource = LoadBitmap(wicFactory, imageFile.Path))
{
wicBitmap = new Bitmap(wicFactory, bitmapSource, BitmapCreateCacheOption.CacheOnLoad);
int pixelWidth = (int)(wicBitmap.Size.Width * DisplayProperties.LogicalDpi / 96.0);
int pixelHeight = (int)(wicBitmap.Size.Height * DisplayProperties.LogicalDpi / 96.0);
var renderTargetProperties = new RenderTargetProperties(RenderTargetType.Default,
new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown), 0, 0, RenderTargetUsage.None,
SharpDX.Direct2D1.FeatureLevel.Level_DEFAULT);
renderTarget = new WicRenderTarget(
dddFactory,
wicBitmap,
renderTargetProperties)
{
TextAntialiasMode = SharpDX.Direct2D1.TextAntialiasMode.Cleartype
};
}
renderTarget.BeginDraw();
var textFormat = new TextFormat(dwFactory, "Segoe UI Light", 25)
{
TextAlignment = SharpDX.DirectWrite.TextAlignment.Leading,
ParagraphAlignment = ParagraphAlignment.Far
};
var textBrush = new SharpDX.Direct2D1.SolidColorBrush(
renderTarget,
SharpDX.Color.DarkBlue);
StringBuilder sb = new StringBuilder();
var dstamp = StampPersistData.Instance.DataStamp;
sb.Append(dstamp.KMReading).Append("\n");
sb.Append(dstamp.DateOfFirstReg).Append("\n");
sb.Append(dstamp.Gps).Append("\n");
sb.Append(dstamp.VehRegNo).Append("\n");
sb.Append(dstamp.Make).Append("\n");
sb.Append(dstamp.CusName).Append("\n");
sb.Append(dstamp.InspectorName).Append("\n");
sb.Append(dstamp.CaseNo);
renderTarget.DrawText(
sb.ToString(),
textFormat,
new SharpDX.RectangleF(1, 1, width + 50, height + 25),
textBrush);
//new RectangleF(width - 150, 0, width, height + 25),
renderTarget.EndDraw();
var ms = new MemoryStream();
var stream = new WICStream(
wicFactory,
ms);
BitmapEncoder encoder = null;
if (imageFile.FileType == ".png")
{
encoder = new PngBitmapEncoder(wicFactory);
}
else if (imageFile.FileType == ".jpg")
{
encoder = new JpegBitmapEncoder(wicFactory);
}
encoder.Initialize(stream);
var frameEncoder = new BitmapFrameEncode(encoder);
frameEncoder.Initialize();
frameEncoder.SetSize(width, height);
// frameEncoder.PixelFormat = WicPixelFormat.FormatDontCare;
frameEncoder.WriteSource(wicBitmap);
frameEncoder.Commit();
encoder.Commit();
frameEncoder.Dispose();
encoder.Dispose();
stream.Dispose();
ms.Position = 0;
return(ms);
}
