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| 1 | +using System; |
| 2 | +using System.Collections.Generic; |
| 3 | +using System.Drawing; |
| 4 | +using System.IO; |
| 5 | +using System.Linq; |
| 6 | +using System.Net; |
| 7 | +using System.Text; |
| 8 | +using System.Threading.Tasks; |
| 9 | + |
| 10 | +using Newtonsoft.Json; |
| 11 | + |
| 12 | +namespace dalle_api |
| 13 | +{ |
| 14 | + internal class Program |
| 15 | + { |
| 16 | + static void Main(string[] args) |
| 17 | + { |
| 18 | + |
| 19 | + string url = "https://api.openai.com/v1/images/generations"; |
| 20 | + string bearerToken = Environment.GetEnvironmentVariable("OPENAI_API_KEY"); |
| 21 | + //string body = "{\"prompt\": \"an isometric view of a miniature city, tilt shift, bokeh, voxel, vray render, high detail\",\"n\": 2,\"size\": \"1024x1024\"}"; |
| 22 | + string body = "{\"prompt\": \"an isometric view of a miniature city, tilt shift, bokeh, voxel, vray render, high detail\",\"n\": 2,\"size\": \"256x256\",\"response_format\":\"b64_json\"}"; |
| 23 | + |
| 24 | + // Prepare data for the POST request |
| 25 | + var data = Encoding.ASCII.GetBytes(body); |
| 26 | + Console.WriteLine(data); |
| 27 | + |
| 28 | + var request = (HttpWebRequest) WebRequest.Create(url); |
| 29 | + request.Method = "POST"; |
| 30 | + request.ContentType = "application/json"; |
| 31 | + request.ContentLength = data.Length; |
| 32 | + |
| 33 | + // Authentication |
| 34 | + if (bearerToken != null) |
| 35 | + { |
| 36 | + ServicePointManager.Expect100Continue = true; |
| 37 | + ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12; |
| 38 | + |
| 39 | + request.PreAuthenticate = true; |
| 40 | + request.Headers.Add("Authorization", "Bearer " + bearerToken); |
| 41 | + } |
| 42 | + else |
| 43 | + { |
| 44 | + request.Credentials = CredentialCache.DefaultCredentials; |
| 45 | + } |
| 46 | + |
| 47 | + // Perform request |
| 48 | + using (var stream = request.GetRequestStream()) |
| 49 | + { |
| 50 | + stream.Write(data, 0, data.Length); |
| 51 | + } |
| 52 | + |
| 53 | + // Retrieve response |
| 54 | + var response = (HttpWebResponse)request.GetResponse(); |
| 55 | + Console.WriteLine("Request response: " + response.StatusCode); |
| 56 | + |
| 57 | + var responseString = new StreamReader(response.GetResponseStream()).ReadToEnd(); |
| 58 | + //Console.WriteLine(responseString); |
| 59 | + |
| 60 | + |
| 61 | + // Deserialize JSON |
| 62 | + dynamic responseJson = JsonConvert.DeserializeObject<dynamic>(responseString); |
| 63 | + |
| 64 | + ////Console.WriteLine(responseJson); |
| 65 | + //Console.WriteLine(responseJson.created); |
| 66 | + //Console.WriteLine(responseJson.data); |
| 67 | + //Console.WriteLine(responseJson.data[0].url); |
| 68 | + //Console.WriteLine(responseJson.data[1].url); |
| 69 | + |
| 70 | + for (int i =0; i < responseJson.data.Count; i++) |
| 71 | + { |
| 72 | + string base64 = responseJson.data[i].b64_json; |
| 73 | + //Console.WriteLine(base64); |
| 74 | + |
| 75 | + Bitmap img = Base64StringToBitmap(base64); |
| 76 | + |
| 77 | + long unixTime = ((DateTimeOffset)DateTime.Now).ToUnixTimeSeconds(); |
| 78 | + string filename = string.Format("image_{0}_{1}.png", unixTime, i); |
| 79 | + |
| 80 | + img.Save(filename); |
| 81 | + Console.WriteLine("Saving image to " + filename); |
| 82 | + } |
| 83 | + |
| 84 | + Console.ReadKey(); |
| 85 | + } |
| 86 | + |
| 87 | + // From https://softwarebydefault.com/2013/03/01/base64-strings-bitmap/ |
| 88 | + public static Bitmap Base64StringToBitmap(string base64String) |
| 89 | + { |
| 90 | + Bitmap bmpReturn = null; |
| 91 | + |
| 92 | + byte[] byteBuffer = Convert.FromBase64String(base64String); |
| 93 | + MemoryStream memoryStream = new MemoryStream(byteBuffer); |
| 94 | + |
| 95 | + memoryStream.Position = 0; |
| 96 | + |
| 97 | + bmpReturn = (Bitmap)Bitmap.FromStream(memoryStream); |
| 98 | + |
| 99 | + memoryStream.Close(); |
| 100 | + memoryStream = null; |
| 101 | + byteBuffer = null; |
| 102 | + |
| 103 | + return bmpReturn; |
| 104 | + } |
| 105 | + } |
| 106 | +} |
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