private async Task UploadVideoAsync(string replyToken, string messageId, string blobDirectoryName)
{
var videoStream = await MessagingClient.GetContentStreamAsync(messageId);
var url = await BlobStorage.UploadFromStreamAsync(videoStream, blobDirectoryName, "video.mp4");
await MessagingClient.ReplyMessageAsync(replyToken, url.ToString());
}
private async Task UploadMediaContentAsync(string replyToken, string messageId, string blobDirectoryName, string blobName)
{
var stream = await MessagingClient.GetContentStreamAsync(messageId);
var ext = GetFileExtension(stream.ContentHeaders.ContentType.MediaType);
var uri = await BlobStorage.UploadFromStreamAsync(stream, blobDirectoryName, blobName + ext);
await MessagingClient.ReplyMessageAsync(replyToken, uri.ToString());
}
private async Task ReplyImagemapAsync(string replyToken, string messageId, string blobDirectoryName)
{
var imageStream = await MessagingClient.GetContentStreamAsync(messageId);
var image = System.Drawing.Image.FromStream(imageStream);
using (var g = Graphics.FromImage(image))
{
g.DrawLine(Pens.Red, image.Width / 2, 0, image.Width / 2, image.Height);
g.DrawLine(Pens.Red, 0, image.Height / 2, image.Width, image.Height / 2);
}
var uri = await UploadImageAsync(1040);
await UploadImageAsync(700);
await UploadImageAsync(460);
await UploadImageAsync(300);
await UploadImageAsync(240);
var imageSize = new ImagemapSize(1024, (int)(1040 * (double)image.Height / image.Width));
var areaWidth = imageSize.Width / 2;
var areaHeight = imageSize.Height / 2;
Video video = null;
var videoUrl = BlobStorage.ListBlobUri(blobDirectoryName).FirstOrDefault(x => x.ToString().EndsWith("video.mp4"));
if (videoUrl != null)
{
video = new Video(videoUrl.ToString(), videoUrl.ToString().Replace("video.mp4", "300"),
new ImagemapArea(areaWidth / 2, areaHeight / 2, areaWidth, areaHeight),
new ExternalLink("https://google.com", "google"));
}
var imagemapMessage = new ImagemapMessage(uri.ToString().Replace("/1040", ""),
"Sample Imagemap",
imageSize,
new IImagemapAction[] {
new MessageImagemapAction(new ImagemapArea(0, 0, areaWidth, areaHeight), "Area Top-Left"),
new MessageImagemapAction(new ImagemapArea(areaWidth, 0, areaWidth, areaHeight), "Area Top-Right"),
new MessageImagemapAction(new ImagemapArea(0, areaHeight, areaWidth, areaHeight), "Area Bottom-Left"),
new MessageImagemapAction(new ImagemapArea(areaWidth, areaHeight, areaWidth, areaHeight), "Area Bottom-Right"),
},
video: video);
await MessagingClient.ReplyMessageAsync(replyToken, new[] { imagemapMessage });
async Task <Uri> UploadImageAsync(int baseSize)
{
var img = image.GetThumbnailImage(baseSize, image.Height * baseSize / image.Width, () => false, IntPtr.Zero);
return(await BlobStorage.UploadImageAsync(img, blobDirectoryName, baseSize.ToString()));
}
}
private async Task EchoImageAsync(string replyToken, string messageId, string blobDirectoryName)
{
var imageName = messageId + ".jpeg";
var previewImageName = messageId + "_preview.jpeg";
var imageStream = await MessagingClient.GetContentStreamAsync(messageId);
var image = Image.FromStream(imageStream);
var previewImage = image.GetThumbnailImage((int)(image.Width * 0.25), (int)(image.Height * 0.25), () => false, IntPtr.Zero);
var blobImagePath = await BlobStorage.UploadImageAsync(image, blobDirectoryName, imageName);
var blobPreviewPath = await BlobStorage.UploadImageAsync(previewImage, blobDirectoryName, previewImageName);
await MessagingClient.ReplyMessageAsync(replyToken, new[] { new ImageMessage(blobImagePath.ToString(), blobPreviewPath.ToString()) });
}
private async Task UploadImageAsync(string replyToken, string messageId, string blobDirectoryName)
{
var imageStream = await MessagingClient.GetContentStreamAsync(messageId);
var image = System.Drawing.Image.FromStream(imageStream);
var imageCount = BlobStorage.ListBlobUri(blobDirectoryName).Count();
if (imageCount == 5)
{
await BlobStorage.DeleteDirectoryAsync(blobDirectoryName);
imageCount = 0;
}
await BlobStorage.UploadImageAsync(image, blobDirectoryName, (imageCount + 1) + ".jpeg");
await MessagingClient.ReplyMessageAsync(replyToken, $"Image uploaded ({imageCount + 1}).");
}
private async Task ReplyImagemapAsync(string replyToken, string messageId, string blobDirectoryName)
{
var imageStream = await MessagingClient.GetContentStreamAsync(messageId);
var image = Image.FromStream(imageStream);
using (var g = Graphics.FromImage(image))
{
g.DrawLine(Pens.Red, image.Width / 2, 0, image.Width / 2, image.Height);
g.DrawLine(Pens.Red, 0, image.Height / 2, image.Width, image.Height / 2);
}
var uri = await UploadImageAsync(1040);
await UploadImageAsync(700);
await UploadImageAsync(460);
await UploadImageAsync(300);
await UploadImageAsync(240);
var imageSize = new ImagemapSize(1024, (int)(1040 * (double)image.Height / image.Width));
var areaWidth = imageSize.Width / 2;
var areaHeight = imageSize.Height / 2;
var imagemapMessage = new ImagemapMessage(uri.ToString().Replace("/1040", ""),
"Sample Imagemap",
imageSize,
new IImagemapAction[] {
new MessageImagemapAction(new ImagemapArea(0, 0, areaWidth, areaHeight), "Area Top-Left"),
new MessageImagemapAction(new ImagemapArea(areaWidth, 0, areaWidth, areaHeight), "Area Top-Right"),
new MessageImagemapAction(new ImagemapArea(0, areaHeight, areaWidth, areaHeight), "Area Bottom-Left"),
new MessageImagemapAction(new ImagemapArea(areaWidth, areaHeight, areaWidth, areaHeight), "Area Bottom-Right"),
});
await MessagingClient.ReplyMessageAsync(replyToken, new[] { imagemapMessage });
async Task <Uri> UploadImageAsync(int baseSize)
{
var img = image.GetThumbnailImage(baseSize, image.Height * baseSize / image.Width, () => false, IntPtr.Zero);
return(await BlobStorage.UploadImageAsync(img, blobDirectoryName + "/" + messageId, baseSize.ToString()));
}
}
