private async Task <Image> CannyRequest(CannyRequest request)
{
if (request.Threshold1.HasValue && request.Threshold1.Value <= 0 || request.Threshold2.HasValue && request.Threshold2.Value <= 0)
{
throw new ArgumentException("Threshold has to be greater than 0");
}
if (request.ApertureSize.HasValue && request.ApertureSize.Value <= 0)
{
throw new ArgumentException("ApertureSize has to be greater than 0");
}
HttpClient httpClient = HttpClientLazy.Value;
String json = JsonSerializer.Serialize(request);
StringContent jsonContent = new StringContent(json, Encoding.UTF8, "application/json");
HttpRequestMessage httpRequest = new HttpRequestMessage(HttpMethod.Post, this.Endpoint + "/canny");
httpRequest.Content = jsonContent;
httpRequest.Headers.Add("Authorization", "ApiKey " + ApiKey.ToString());
HttpResponseMessage response = await httpClient.SendAsync(httpRequest);
await CheckSuccess(response);
byte[] responseBytes = await response.Content.ReadAsByteArrayAsync();
MemoryStream memoryStream = new MemoryStream(responseBytes);
return(Image.FromStream(memoryStream));
}
private async Task <Image> CannyRequest(CannyRequest request)
{
if (request.Threshold1.HasValue && request.Threshold1.Value <= 0 || request.Threshold2.HasValue && request.Threshold2.Value <= 0)
{
throw new ArgumentException("Threshold has to be greater than 0");
}
if (request.ApertureSize.HasValue && request.ApertureSize.Value <= 0)
{
throw new ArgumentException("ApertureSize has to be greater than 0");
}
HttpClient httpClient = httpClientLazy.Value;
httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("ApiKey", apiKey.ToString());
String json = JsonSerializer.Serialize(request);
StringContent jsonContent = new StringContent(json, Encoding.UTF8, "application/json");
HttpResponseMessage response = await httpClient.PostAsync(this.Endpoint + "/canny", jsonContent);
if (response.StatusCode == System.Net.HttpStatusCode.BadRequest)
{
String stringContent = await response.Content.ReadAsStringAsync();
JsonSerializerOptions serializerOptions = new JsonSerializerOptions()
{
PropertyNameCaseInsensitive = true
};
BadRequestResult badRequestResult = JsonSerializer.Deserialize <BadRequestResult>(stringContent, serializerOptions);
throw new BadRequestException(badRequestResult.Code, badRequestResult.Description);
}
else if (!response.IsSuccessStatusCode)
{
throw new Exception("Could not execute request");
}
byte[] responseBytes = await response.Content.ReadAsByteArrayAsync();
MemoryStream memoryStream = new MemoryStream(responseBytes);
return(Image.FromStream(memoryStream));
}
private async Task <Image> CannyRequest(Uri imageUrl, double?threshold1 = null, double?threshold2 = null, int?apertureSize = null, bool?l2Gradient = null)
{
CannyRequest request = new CannyRequest(imageUrl, threshold1, threshold2, apertureSize, l2Gradient);
return(await CannyRequest(request));
}