public static ImageResult GetDefaultImage(ImageDimensions dimensions)
{
HttpContext.Current.Response.AppendHeader("content-disposition", "attachment; filename = default");
var defaultImage = new WebImage("~/Content/img/default.png");
ResizeImage(ref defaultImage, dimensions.Width, dimensions.Height);
return new ImageResult {Image = defaultImage, ImageFormat = GetImageFormat(defaultImage.FileName)};
}
public MediaResource MakeBackgroundImage(
string key,
User createdByUser,
DateTime createdOn,
string originalFileName,
ImageDimensions originalImageDimensions,
string originalImageMimeType,
List<ImageCreationTask> imageCreationTasks)
{
var mediaResource = new ImageMediaResource(Constants.MediaResourceTypes.Image, createdByUser, createdOn, key, null);
_documentSession.Store(mediaResource);
_documentSession.SaveChanges();
mediaResource.Image.Original = MakeOriginalImageFile(originalImageMimeType, MakeUri(mediaResource, "Original", originalImageMimeType), originalImageDimensions.Width, originalImageDimensions.Height, null, originalFileName, null);
mediaResource.Image.Small = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Small", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeRectangle(512, 100).Width, ImageDimensions.MakeRectangle(512, 100).Height, imageCreationTasks, "Small", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Image.Large = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Large", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeRectangle(1024, 200).Width, ImageDimensions.MakeRectangle(1024, 200).Height, imageCreationTasks, "Large", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
_documentSession.Store(mediaResource);
_documentSession.SaveChanges();
return mediaResource;
}
public MediaResource MakeContributionExternalVideo(
string key,
User createdByUser,
DateTime createdOn,
string uri,
string provider,
object providerData,
string videoId,
ImageDimensions originalVideoDimensions,
string originalThumbnailUri,
ImageDimensions originalThumbnailDimensions,
string originalThumbnailMimeType,
Dictionary<string, string> metadata,
List<ImageCreationTask> imageCreationTasks)
{
var mediaResource = new VideoMediaResource(Constants.MediaResourceTypes.Video, createdByUser, createdOn, key, metadata);
_documentSession.Store(mediaResource);
_documentSession.SaveChanges();
var constrained240Dimensions = originalVideoDimensions.ResizeWithTargetDimensions(320, 240);
var constrained480Dimensions = originalVideoDimensions.ResizeWithTargetDimensions(640, 480);
var constrained600Dimensions = originalVideoDimensions.ResizeWithTargetDimensions(800, 600);
var full640Dimensions = originalVideoDimensions.ResizeWithTargetDimensions(640, 640);
var full800Dimensions = originalVideoDimensions.ResizeWithTargetDimensions(800, 800);
var full1024Dimensions = originalVideoDimensions.ResizeWithTargetDimensions(1024, 1024);
mediaResource.Video.Original = MakeOriginalVideoFile(provider, videoId, providerData, originalVideoDimensions.Width, originalVideoDimensions.Height, uri);
mediaResource.Video.OriginalImage = MakeOriginalImageFile(originalThumbnailMimeType, originalThumbnailUri, originalThumbnailDimensions.Width, originalThumbnailDimensions.Height, null, null, null);
mediaResource.Video.Square50 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Square50", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeSquare(100).Width, ImageDimensions.MakeSquare(100).Height, imageCreationTasks, "Square50", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Video.Square100 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Square100", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeSquare(200).Width, ImageDimensions.MakeSquare(200).Height, imageCreationTasks, "Square100", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Video.Square200 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Square200", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeSquare(400).Width, ImageDimensions.MakeSquare(400).Height, imageCreationTasks, "Square200", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Video.Constrained240 = MakeDerivedMediaResourceFile(uri, constrained240Dimensions.Width, constrained240Dimensions.Height, imageCreationTasks, "Constrained240", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Video.Constrained480 = MakeDerivedMediaResourceFile(uri, constrained480Dimensions.Width, constrained480Dimensions.Height, imageCreationTasks, "Constrained480", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Video.Constrained600 = MakeDerivedMediaResourceFile(uri, constrained600Dimensions.Width, constrained600Dimensions.Height, imageCreationTasks, "Constrained600", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Video.Full640 = MakeDerivedMediaResourceFile(uri, full640Dimensions.Width, full640Dimensions.Height, imageCreationTasks, "Full640", ImageResizeMode.Normal, Constants.ImageMimeTypes.Jpeg);
mediaResource.Video.Full800 = MakeDerivedMediaResourceFile(uri, full800Dimensions.Width, full800Dimensions.Height, imageCreationTasks, "Full800", ImageResizeMode.Normal, Constants.ImageMimeTypes.Jpeg);
mediaResource.Video.Full1024 = MakeDerivedMediaResourceFile(uri, full1024Dimensions.Width, full1024Dimensions.Height, imageCreationTasks, "Full1024", ImageResizeMode.Normal, Constants.ImageMimeTypes.Jpeg);
_documentSession.Store(mediaResource);
_documentSession.SaveChanges();
return mediaResource;
}
public MediaResource MakeContributionImage(
string key,
User createdByUser,
DateTime createdOn,
string originalFileName,
ImageDimensions originalImageDimensions,
long originalSize,
IDictionary<string, object> originalExifData,
string originalImageMimeType,
Dictionary<string, string> metadata,
List<ImageCreationTask> imageCreationTasks)
{
var mediaResource = new ImageMediaResource(Constants.MediaResourceTypes.Image, createdByUser, createdOn, key, metadata);
_documentSession.Store(mediaResource);
_documentSession.SaveChanges();
mediaResource.Image.Original = MakeOriginalImageFile(originalImageMimeType, MakeUri(mediaResource, "Original", originalImageMimeType), originalImageDimensions.Width, originalImageDimensions.Height, originalExifData, originalFileName, originalSize);
mediaResource.Image.Square50 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Square50", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeSquare(100).Width, ImageDimensions.MakeSquare(100).Height, imageCreationTasks, "Square50", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Image.Square100 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Square100", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeSquare(200).Width, ImageDimensions.MakeSquare(200).Height, imageCreationTasks, "Square100", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Image.Square200 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Square200", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeSquare(400).Width, ImageDimensions.MakeSquare(400).Height, imageCreationTasks, "Square200", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Image.Constrained240 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Constrained240", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeRectangle(320, 240).Width, ImageDimensions.MakeRectangle(320, 240).Height, imageCreationTasks, "Constrained240", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Image.Constrained480 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Constrained480", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeRectangle(640, 480).Width, ImageDimensions.MakeRectangle(640, 480).Height, imageCreationTasks, "Constrained480", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Image.Constrained600 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Constrained600", Constants.ImageMimeTypes.Jpeg), ImageDimensions.MakeRectangle(800, 600).Width, ImageDimensions.MakeRectangle(800, 600).Height, imageCreationTasks, "Constrained600", ImageResizeMode.Crop, Constants.ImageMimeTypes.Jpeg);
mediaResource.Image.Full640 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Full640", Constants.ImageMimeTypes.Jpeg), originalImageDimensions.ResizeWithTargetDimensions(640, 640).Width, originalImageDimensions.ResizeWithTargetDimensions(640, 640).Height, imageCreationTasks, "Full640", ImageResizeMode.Normal, Constants.ImageMimeTypes.Jpeg);
mediaResource.Image.Full800 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Full800", Constants.ImageMimeTypes.Jpeg), originalImageDimensions.ResizeWithTargetDimensions(800, 800).Width, originalImageDimensions.ResizeWithTargetDimensions(800, 800).Height, imageCreationTasks, "Full800", ImageResizeMode.Normal, Constants.ImageMimeTypes.Jpeg);
mediaResource.Image.Full1024 = MakeDerivedMediaResourceFile(MakeUri(mediaResource, "Full1024", Constants.ImageMimeTypes.Jpeg), originalImageDimensions.ResizeWithTargetDimensions(1024, 1024).Width, originalImageDimensions.ResizeWithTargetDimensions(1024, 1024).Height, imageCreationTasks, "Full1024", ImageResizeMode.Normal, Constants.ImageMimeTypes.Jpeg);
_documentSession.Store(mediaResource);
_documentSession.SaveChanges();
return mediaResource;
}
/// <inheritdoc/>
public string EncodeImage(string inputPath, DateTime dateModified, string outputPath, bool autoOrient, ImageOrientation?orientation, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
if (string.IsNullOrWhiteSpace(inputPath))
{
throw new ArgumentNullException(nameof(inputPath));
}
if (string.IsNullOrWhiteSpace(inputPath))
{
throw new ArgumentNullException(nameof(outputPath));
}
var skiaOutputFormat = GetImageFormat(selectedOutputFormat);
var hasBackgroundColor = !string.IsNullOrWhiteSpace(options.BackgroundColor);
var hasForegroundColor = !string.IsNullOrWhiteSpace(options.ForegroundLayer);
var blur = options.Blur ?? 0;
var hasIndicator = options.AddPlayedIndicator || options.UnplayedCount.HasValue || !options.PercentPlayed.Equals(0);
using (var bitmap = GetBitmap(inputPath, options.CropWhiteSpace, autoOrient, orientation))
{
if (bitmap == null)
{
throw new ArgumentOutOfRangeException($"Skia unable to read image {inputPath}");
}
var originalImageSize = new ImageDimensions(bitmap.Width, bitmap.Height);
if (!options.CropWhiteSpace &&
options.HasDefaultOptions(inputPath, originalImageSize) &&
!autoOrient)
{
// Just spit out the original file if all the options are default
return(inputPath);
}
var newImageSize = ImageHelper.GetNewImageSize(options, originalImageSize);
var width = newImageSize.Width;
var height = newImageSize.Height;
using (var resizedBitmap = new SKBitmap(width, height, bitmap.ColorType, bitmap.AlphaType))
{
// scale image
bitmap.ScalePixels(resizedBitmap, SKFilterQuality.High);
// If all we're doing is resizing then we can stop now
if (!hasBackgroundColor && !hasForegroundColor && blur == 0 && !hasIndicator)
{
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
using (var outputStream = new SKFileWStream(outputPath))
using (var pixmap = new SKPixmap(new SKImageInfo(width, height), resizedBitmap.GetPixels()))
{
pixmap.Encode(outputStream, skiaOutputFormat, quality);
return(outputPath);
}
}
// create bitmap to use for canvas drawing used to draw into bitmap
using (var saveBitmap = new SKBitmap(width, height)) // , bitmap.ColorType, bitmap.AlphaType))
using (var canvas = new SKCanvas(saveBitmap))
{
// set background color if present
if (hasBackgroundColor)
{
canvas.Clear(SKColor.Parse(options.BackgroundColor));
}
// Add blur if option is present
if (blur > 0)
{
// create image from resized bitmap to apply blur
using (var paint = new SKPaint())
using (var filter = SKImageFilter.CreateBlur(blur, blur))
{
paint.ImageFilter = filter;
canvas.DrawBitmap(resizedBitmap, SKRect.Create(width, height), paint);
}
}
else
{
// draw resized bitmap onto canvas
canvas.DrawBitmap(resizedBitmap, SKRect.Create(width, height));
}
// If foreground layer present then draw
if (hasForegroundColor)
{
if (!double.TryParse(options.ForegroundLayer, out double opacity))
{
opacity = .4;
}
canvas.DrawColor(new SKColor(0, 0, 0, (byte)((1 - opacity) * 0xFF)), SKBlendMode.SrcOver);
}
if (hasIndicator)
{
DrawIndicator(canvas, width, height, options);
}
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
using (var outputStream = new SKFileWStream(outputPath))
{
using (var pixmap = new SKPixmap(new SKImageInfo(width, height), saveBitmap.GetPixels()))
{
pixmap.Encode(outputStream, skiaOutputFormat, quality);
}
}
}
}
}
return(outputPath);
}
