private void LoadEnvMap()
{
if (mTutorial < 5)
{
return;
}
string texturePath = Path.GetFullPath(EnvMapPath);
Bitmap image = new Bitmap(Image.FromFile(texturePath));
if (image == null)
{
return;
}
var imgData = image.LockBits(new System.DrawingCore.Rectangle(0, 0, image.Width, image.Height),
ImageLockMode.ReadWrite, image.PixelFormat);
BufferDesc bufferDesc = new BufferDesc()
{
Width = (uint)image.Width, Height = (uint)image.Height, Format = Format.UByte4, Type = BufferType.Input
};
Buffer textureBuffer = new Buffer(OptixContext, bufferDesc);
int stride = imgData.Stride;
int numChannels = 4;
unsafe
{
byte *src = (byte *)imgData.Scan0.ToPointer();
BufferStream stream = textureBuffer.Map();
for (int h = 0; h < image.Height; h++)
{
for (int w = 0; w < image.Width; w++)
{
UByte4 color = new UByte4(src[(image.Height - h - 1) * stride + w * numChannels + 2],
src[(image.Height - h - 1) * stride + w * numChannels + 1],
src[(image.Height - h - 1) * stride + w * numChannels + 0],
255);
stream.Write <UByte4>(color);
}
}
textureBuffer.Unmap();
}
image.UnlockBits(imgData);
TextureSampler texture = new TextureSampler(OptixContext, TextureSamplerDesc.GetDefault(WrapMode.Repeat));
texture.SetBuffer(textureBuffer);
OptixContext["envmap"].Set(texture);
}
private static byte[] ImageToByteArray(System.DrawingCore.Bitmap qrCodeImage)
{
byte[] byteArray = new byte[0];
using (MemoryStream memoryStream = new MemoryStream())
{
qrCodeImage.Save(memoryStream, System.DrawingCore.Imaging.ImageFormat.Jpeg);
byteArray = memoryStream.ToArray();
}
return(byteArray);
}
public IActionResult DecodeQR(DecodeQrViewModel viewModel)
{
System.DrawingCore.Bitmap bitmap = new System.DrawingCore.Bitmap(viewModel.FormFile.OpenReadStream());
try
{
BarcodeReader reader = new BarcodeReader {
AutoRotate = true, TryInverted = true
};
string qrcode = reader.Decode(bitmap).Text;
return(new JsonResult(new { success = true, address = qrcode, message = LangDetailHelper.Get(HttpContext.Session.GetInt32("LangId").Value, "GeneratedQRCodeSuccessfully") }));
}
catch (Exception ex)
{
return(new JsonResult(new { success = false, message = LangDetailHelper.Get(HttpContext.Session.GetInt32("LangId").Value, "GeneratedQRCodeError") }));
}
}
public static IActionResult Run([HttpTrigger(AuthorizationLevel.Function, "get", Route = null)] HttpRequest req, TraceWriter log)
{
log.Info("C# HTTP trigger function processed a request.");
string url = req.Query["url"];
ZXing.ZKWeb.BarcodeWriter barcodeWriter = new ZXing.ZKWeb.BarcodeWriter
{
Format = ZXing.BarcodeFormat.QR_CODE,
Encoder = new QRCodeWriter(),
Options = new EncodingOptions {
Height = 150, Width = 150
},
Renderer = new ZXing.ZKWeb.Rendering.BitmapRenderer()
};
System.DrawingCore.Bitmap qrCodeImage = barcodeWriter.Write(url);
return(qrCodeImage != null
? (ActionResult) new FileContentResult(ImageToByteArray(qrCodeImage), "image/jpeg")
: new BadRequestObjectResult("Please pass a name on the query string or in the request body"));
}
/// <summary>
/// uses the IBarcodeReaderGeneric implementation and the <see cref="ZXing.ZKWeb.BitmapLuminanceSource"/> class for decoding
/// </summary>
/// <param name="reader"></param>
/// <param name="image"></param>
/// <returns></returns>
public static Result[] DecodeMultiple(this IBarcodeReaderGeneric reader, System.DrawingCore.Bitmap image)
{
var luminanceSource = new ZXing.ZKWeb.BitmapLuminanceSource(image);
return(reader.DecodeMultiple(luminanceSource));
}
