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@ -29,9 +29,7 @@ namespace Jellyfin.Drawing.Skia
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/// </summary>
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/// <param name="logger">The application logger.</param>
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/// <param name="appPaths">The application paths.</param>
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public SkiaEncoder(
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ILogger<SkiaEncoder> logger,
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IApplicationPaths appPaths)
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public SkiaEncoder(ILogger<SkiaEncoder> logger, IApplicationPaths appPaths)
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{
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_logger = logger;
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_appPaths = appPaths;
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@ -102,19 +100,14 @@ namespace Jellyfin.Drawing.Skia
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/// <returns>The converted format.</returns>
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public static SKEncodedImageFormat GetImageFormat(ImageFormat selectedFormat)
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{
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switch (selectedFormat)
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{
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case ImageFormat.Bmp:
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return SKEncodedImageFormat.Bmp;
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case ImageFormat.Jpg:
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return SKEncodedImageFormat.Jpeg;
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case ImageFormat.Gif:
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return SKEncodedImageFormat.Gif;
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case ImageFormat.Webp:
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return SKEncodedImageFormat.Webp;
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default:
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return SKEncodedImageFormat.Png;
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}
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return selectedFormat switch
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{
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ImageFormat.Bmp => SKEncodedImageFormat.Bmp,
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ImageFormat.Jpg => SKEncodedImageFormat.Jpeg,
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ImageFormat.Gif => SKEncodedImageFormat.Gif,
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ImageFormat.Webp => SKEncodedImageFormat.Webp,
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_ => SKEncodedImageFormat.Png
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};
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}
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private static bool IsTransparentRow(SKBitmap bmp, int row)
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@ -146,63 +139,34 @@ namespace Jellyfin.Drawing.Skia
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private SKBitmap CropWhiteSpace(SKBitmap bitmap)
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{
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var topmost = 0;
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for (int row = 0; row < bitmap.Height; ++row)
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while (topmost < bitmap.Height && IsTransparentRow(bitmap, topmost))
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{
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if (IsTransparentRow(bitmap, row))
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{
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topmost = row + 1;
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}
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else
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{
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break;
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}
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topmost++;
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}
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int bottommost = bitmap.Height;
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for (int row = bitmap.Height - 1; row >= 0; --row)
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while (bottommost >= 0 && IsTransparentRow(bitmap, bottommost - 1))
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{
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if (IsTransparentRow(bitmap, row))
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{
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bottommost = row;
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}
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else
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{
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break;
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}
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bottommost--;
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}
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int leftmost = 0, rightmost = bitmap.Width;
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for (int col = 0; col < bitmap.Width; ++col)
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var leftmost = 0;
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while (leftmost < bitmap.Width && IsTransparentColumn(bitmap, leftmost))
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{
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if (IsTransparentColumn(bitmap, col))
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{
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leftmost = col + 1;
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}
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else
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{
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break;
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}
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leftmost++;
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}
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for (int col = bitmap.Width - 1; col >= 0; --col)
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var rightmost = bitmap.Width;
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while (rightmost >= 0 && IsTransparentColumn(bitmap, rightmost - 1))
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{
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if (IsTransparentColumn(bitmap, col))
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{
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rightmost = col;
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}
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else
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{
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break;
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}
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rightmost--;
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}
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var newRect = SKRectI.Create(leftmost, topmost, rightmost - leftmost, bottommost - topmost);
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using (var image = SKImage.FromBitmap(bitmap))
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using (var subset = image.Subset(newRect))
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{
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return SKBitmap.FromImage(subset);
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}
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using var image = SKImage.FromBitmap(bitmap);
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using var subset = image.Subset(newRect);
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return SKBitmap.FromImage(subset);
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}
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/// <inheritdoc />
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@ -216,14 +180,12 @@ namespace Jellyfin.Drawing.Skia
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throw new FileNotFoundException("File not found", path);
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}
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using (var codec = SKCodec.Create(path, out SKCodecResult result))
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{
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EnsureSuccess(result);
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using var codec = SKCodec.Create(path, out SKCodecResult result);
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EnsureSuccess(result);
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var info = codec.Info;
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var info = codec.Info;
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return new ImageDimensions(info.Width, info.Height);
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}
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return new ImageDimensions(info.Width, info.Height);
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}
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/// <inheritdoc />
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@ -253,12 +215,7 @@ namespace Jellyfin.Drawing.Skia
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}
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}
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if (HasDiacritics(path))
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{
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return true;
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}
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return false;
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return HasDiacritics(path);
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}
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private string NormalizePath(string path)
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@ -283,25 +240,17 @@ namespace Jellyfin.Drawing.Skia
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return SKEncodedOrigin.TopLeft;
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}
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switch (orientation.Value)
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{
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case ImageOrientation.TopRight:
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return SKEncodedOrigin.TopRight;
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case ImageOrientation.RightTop:
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return SKEncodedOrigin.RightTop;
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case ImageOrientation.RightBottom:
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return SKEncodedOrigin.RightBottom;
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case ImageOrientation.LeftTop:
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return SKEncodedOrigin.LeftTop;
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case ImageOrientation.LeftBottom:
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return SKEncodedOrigin.LeftBottom;
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case ImageOrientation.BottomRight:
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return SKEncodedOrigin.BottomRight;
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case ImageOrientation.BottomLeft:
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return SKEncodedOrigin.BottomLeft;
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default:
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return SKEncodedOrigin.TopLeft;
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}
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return orientation.Value switch
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{
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ImageOrientation.TopRight => SKEncodedOrigin.TopRight,
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ImageOrientation.RightTop => SKEncodedOrigin.RightTop,
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ImageOrientation.RightBottom => SKEncodedOrigin.RightBottom,
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ImageOrientation.LeftTop => SKEncodedOrigin.LeftTop,
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ImageOrientation.LeftBottom => SKEncodedOrigin.LeftBottom,
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ImageOrientation.BottomRight => SKEncodedOrigin.BottomRight,
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ImageOrientation.BottomLeft => SKEncodedOrigin.BottomLeft,
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_ => SKEncodedOrigin.TopLeft
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};
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}
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/// <summary>
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@ -323,24 +272,22 @@ namespace Jellyfin.Drawing.Skia
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if (requiresTransparencyHack || forceCleanBitmap)
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{
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using (var codec = SKCodec.Create(NormalizePath(path)))
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using var codec = SKCodec.Create(NormalizePath(path));
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if (codec == null)
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{
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if (codec == null)
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{
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origin = GetSKEncodedOrigin(orientation);
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return null;
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}
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origin = GetSKEncodedOrigin(orientation);
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return null;
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}
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// create the bitmap
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var bitmap = new SKBitmap(codec.Info.Width, codec.Info.Height, !requiresTransparencyHack);
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// create the bitmap
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var bitmap = new SKBitmap(codec.Info.Width, codec.Info.Height, !requiresTransparencyHack);
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// decode
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_ = codec.GetPixels(bitmap.Info, bitmap.GetPixels());
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// decode
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_ = codec.GetPixels(bitmap.Info, bitmap.GetPixels());
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origin = codec.EncodedOrigin;
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origin = codec.EncodedOrigin;
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return bitmap;
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}
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return bitmap;
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}
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var resultBitmap = SKBitmap.Decode(NormalizePath(path));
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@ -367,15 +314,8 @@ namespace Jellyfin.Drawing.Skia
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{
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if (cropWhitespace)
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{
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using (var bitmap = Decode(path, forceAnalyzeBitmap, orientation, out origin))
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{
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if (bitmap == null)
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{
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return null;
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}
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return CropWhiteSpace(bitmap);
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}
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using var bitmap = Decode(path, forceAnalyzeBitmap, orientation, out origin);
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return bitmap == null ? null : CropWhiteSpace(bitmap);
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}
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return Decode(path, forceAnalyzeBitmap, orientation, out origin);
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@ -403,133 +343,55 @@ namespace Jellyfin.Drawing.Skia
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private SKBitmap OrientImage(SKBitmap bitmap, SKEncodedOrigin origin)
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{
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if (origin == SKEncodedOrigin.Default)
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{
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return bitmap;
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}
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var needsFlip = origin == SKEncodedOrigin.LeftBottom
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|| origin == SKEncodedOrigin.LeftTop
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|| origin == SKEncodedOrigin.RightBottom
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|| origin == SKEncodedOrigin.RightTop;
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var rotated = needsFlip
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? new SKBitmap(bitmap.Height, bitmap.Width)
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: new SKBitmap(bitmap.Width, bitmap.Height);
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using var surface = new SKCanvas(rotated);
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var midX = (float)rotated.Width / 2;
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var midY = (float)rotated.Height / 2;
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switch (origin)
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{
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case SKEncodedOrigin.TopRight:
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{
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var rotated = new SKBitmap(bitmap.Width, bitmap.Height);
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using (var surface = new SKCanvas(rotated))
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{
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surface.Translate(rotated.Width, 0);
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surface.Scale(-1, 1);
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surface.DrawBitmap(bitmap, 0, 0);
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}
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return rotated;
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}
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surface.Scale(-1, 1, midX, midY);
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break;
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case SKEncodedOrigin.BottomRight:
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{
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var rotated = new SKBitmap(bitmap.Width, bitmap.Height);
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using (var surface = new SKCanvas(rotated))
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{
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float px = (float)bitmap.Width / 2;
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float py = (float)bitmap.Height / 2;
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surface.RotateDegrees(180, px, py);
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surface.DrawBitmap(bitmap, 0, 0);
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}
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return rotated;
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}
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surface.RotateDegrees(180, midX, midY);
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break;
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case SKEncodedOrigin.BottomLeft:
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{
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var rotated = new SKBitmap(bitmap.Width, bitmap.Height);
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using (var surface = new SKCanvas(rotated))
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{
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float px = (float)bitmap.Width / 2;
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float py = (float)bitmap.Height / 2;
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surface.Translate(rotated.Width, 0);
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surface.Scale(-1, 1);
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surface.RotateDegrees(180, px, py);
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surface.DrawBitmap(bitmap, 0, 0);
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}
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return rotated;
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}
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surface.Scale(1, -1, midX, midY);
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break;
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case SKEncodedOrigin.LeftTop:
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{
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// TODO: Remove dual canvases, had trouble with flipping
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using (var rotated = new SKBitmap(bitmap.Height, bitmap.Width))
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{
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using (var surface = new SKCanvas(rotated))
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{
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surface.Translate(rotated.Width, 0);
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surface.RotateDegrees(90);
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surface.DrawBitmap(bitmap, 0, 0);
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}
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var flippedBitmap = new SKBitmap(rotated.Width, rotated.Height);
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using (var flippedCanvas = new SKCanvas(flippedBitmap))
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{
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flippedCanvas.Translate(flippedBitmap.Width, 0);
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flippedCanvas.Scale(-1, 1);
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flippedCanvas.DrawBitmap(rotated, 0, 0);
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}
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return flippedBitmap;
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}
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}
|
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surface.Translate(0, -rotated.Height);
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surface.Scale(1, -1, midX, midY);
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surface.RotateDegrees(-90);
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break;
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case SKEncodedOrigin.RightTop:
|
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|
{
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|
|
var rotated = new SKBitmap(bitmap.Height, bitmap.Width);
|
|
|
|
|
using (var surface = new SKCanvas(rotated))
|
|
|
|
|
{
|
|
|
|
|
surface.Translate(rotated.Width, 0);
|
|
|
|
|
surface.RotateDegrees(90);
|
|
|
|
|
surface.DrawBitmap(bitmap, 0, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return rotated;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
surface.Translate(rotated.Width, 0);
|
|
|
|
|
surface.RotateDegrees(90);
|
|
|
|
|
break;
|
|
|
|
|
case SKEncodedOrigin.RightBottom:
|
|
|
|
|
{
|
|
|
|
|
// TODO: Remove dual canvases, had trouble with flipping
|
|
|
|
|
using (var rotated = new SKBitmap(bitmap.Height, bitmap.Width))
|
|
|
|
|
{
|
|
|
|
|
using (var surface = new SKCanvas(rotated))
|
|
|
|
|
{
|
|
|
|
|
surface.Translate(0, rotated.Height);
|
|
|
|
|
surface.RotateDegrees(270);
|
|
|
|
|
surface.DrawBitmap(bitmap, 0, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var flippedBitmap = new SKBitmap(rotated.Width, rotated.Height);
|
|
|
|
|
using (var flippedCanvas = new SKCanvas(flippedBitmap))
|
|
|
|
|
{
|
|
|
|
|
flippedCanvas.Translate(flippedBitmap.Width, 0);
|
|
|
|
|
flippedCanvas.Scale(-1, 1);
|
|
|
|
|
flippedCanvas.DrawBitmap(rotated, 0, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return flippedBitmap;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
surface.Translate(rotated.Width, 0);
|
|
|
|
|
surface.Scale(1, -1, midX, midY);
|
|
|
|
|
surface.RotateDegrees(90);
|
|
|
|
|
break;
|
|
|
|
|
case SKEncodedOrigin.LeftBottom:
|
|
|
|
|
{
|
|
|
|
|
var rotated = new SKBitmap(bitmap.Height, bitmap.Width);
|
|
|
|
|
using (var surface = new SKCanvas(rotated))
|
|
|
|
|
{
|
|
|
|
|
surface.Translate(0, rotated.Height);
|
|
|
|
|
surface.RotateDegrees(270);
|
|
|
|
|
surface.DrawBitmap(bitmap, 0, 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return rotated;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
default: return bitmap;
|
|
|
|
|
surface.Translate(0, rotated.Height);
|
|
|
|
|
surface.RotateDegrees(-90);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
surface.DrawBitmap(bitmap, 0, 0);
|
|
|
|
|
return rotated;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/// <inheritdoc/>
|
|
|
|
|
@ -552,97 +414,87 @@ namespace Jellyfin.Drawing.Skia
|
|
|
|
|
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))
|
|
|
|
|
using var bitmap = GetBitmap(inputPath, options.CropWhiteSpace, autoOrient, orientation);
|
|
|
|
|
if (bitmap == null)
|
|
|
|
|
{
|
|
|
|
|
if (bitmap == null)
|
|
|
|
|
{
|
|
|
|
|
throw new InvalidDataException($"Skia unable to read image {inputPath}");
|
|
|
|
|
}
|
|
|
|
|
throw new InvalidDataException($"Skia unable to read image {inputPath}");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var originalImageSize = new ImageDimensions(bitmap.Width, bitmap.Height);
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
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 newImageSize = ImageHelper.GetNewImageSize(options, originalImageSize);
|
|
|
|
|
|
|
|
|
|
var width = newImageSize.Width;
|
|
|
|
|
var height = newImageSize.Height;
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
using (var resizedBitmap = new SKBitmap(width, height, bitmap.ColorType, bitmap.AlphaType))
|
|
|
|
|
// create bitmap to use for canvas drawing used to draw into bitmap
|
|
|
|
|
using var saveBitmap = new SKBitmap(width, height);
|
|
|
|
|
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))
|
|
|
|
|
{
|
|
|
|
|
// scale image
|
|
|
|
|
bitmap.ScalePixels(resizedBitmap, SKFilterQuality.High);
|
|
|
|
|
opacity = .4;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 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;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
canvas.DrawColor(new SKColor(0, 0, 0, (byte)((1 - opacity) * 0xFF)), SKBlendMode.SrcOver);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 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);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
Nyanmisaka
4 years ago
committed by
GitHub