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Merge pull request #3597 from barronpm/jellyfin-drawing-skia-cleanup

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Jellyfin.Drawing.Skia Cleanup
pull/3720/head
Anthony Lavado 4 years ago committed by GitHub
parent 8ab800508b 36b05157f0
commit 2f315bb0dd
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 263 additions and 441 deletions
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22
Jellyfin.Drawing.Skia/PercentPlayedDrawer.cs
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@ -19,22 +19,18 @@ namespace Jellyfin.Drawing.Skia
/// <param name="percent">The percentage played to display with the indicator.</param>
public static void Process(SKCanvas canvas, ImageDimensions imageSize, double percent)
{
using (var paint = new SKPaint())
{
var endX = imageSize.Width - 1;
var endY = imageSize.Height - 1;
using var paint = new SKPaint();
var endX = imageSize.Width - 1;
var endY = imageSize.Height - 1;
paint.Color = SKColor.Parse("#99000000");
paint.Style = SKPaintStyle.Fill;
canvas.DrawRect(SKRect.Create(0, (float)endY - IndicatorHeight, (float)endX, (float)endY), paint);
paint.Color = SKColor.Parse("#99000000");
paint.Style = SKPaintStyle.Fill;
canvas.DrawRect(SKRect.Create(0, (float)endY - IndicatorHeight, endX, endY), paint);
double foregroundWidth = endX;
foregroundWidth *= percent;
foregroundWidth /= 100;
double foregroundWidth = (endX * percent) / 100;
paint.Color = SKColor.Parse("#FF00A4DC");
canvas.DrawRect(SKRect.Create(0, (float)endY - IndicatorHeight, Convert.ToInt32(foregroundWidth), (float)endY), paint);
}
paint.Color = SKColor.Parse("#FF00A4DC");
canvas.DrawRect(SKRect.Create(0, (float)endY - IndicatorHeight, Convert.ToInt32(foregroundWidth), endY), paint);
}
}
}

34
Jellyfin.Drawing.Skia/PlayedIndicatorDrawer.cs
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@ -22,31 +22,27 @@ namespace Jellyfin.Drawing.Skia
{
var x = imageSize.Width - OffsetFromTopRightCorner;
using (var paint = new SKPaint())
using var paint = new SKPaint
{
paint.Color = SKColor.Parse("#CC00A4DC");
paint.Style = SKPaintStyle.Fill;
canvas.DrawCircle(x, OffsetFromTopRightCorner, 20, paint);
}
Color = SKColor.Parse("#CC00A4DC"),
Style = SKPaintStyle.Fill
};
using (var paint = new SKPaint())
{
paint.Color = new SKColor(255, 255, 255, 255);
paint.Style = SKPaintStyle.Fill;
canvas.DrawCircle(x, OffsetFromTopRightCorner, 20, paint);
paint.TextSize = 30;
paint.IsAntialias = true;
paint.Color = new SKColor(255, 255, 255, 255);
paint.TextSize = 30;
paint.IsAntialias = true;
// or:
// var emojiChar = 0x1F680;
const string Text = "✔️";
var emojiChar = StringUtilities.GetUnicodeCharacterCode(Text, SKTextEncoding.Utf32);
// or:
// var emojiChar = 0x1F680;
const string Text = "✔️";
var emojiChar = StringUtilities.GetUnicodeCharacterCode(Text, SKTextEncoding.Utf32);
// ask the font manager for a font with that character
paint.Typeface = SKFontManager.Default.MatchCharacter(emojiChar);
// ask the font manager for a font with that character
paint.Typeface = SKFontManager.Default.MatchCharacter(emojiChar);
canvas.DrawText(Text, (float)x - 20, OffsetFromTopRightCorner + 12, paint);
}
canvas.DrawText(Text, (float)x - 20, OffsetFromTopRightCorner + 12, paint);
}
}
}

2
Jellyfin.Drawing.Skia/SkiaCodecException.cs
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@ -12,7 +12,7 @@ namespace Jellyfin.Drawing.Skia
/// Initializes a new instance of the <see cref="SkiaCodecException" /> class.
/// </summary>
/// <param name="result">The non-successful codec result returned by Skia.</param>
public SkiaCodecException(SKCodecResult result) : base()
public SkiaCodecException(SKCodecResult result)
{
CodecResult = result;
}

472
Jellyfin.Drawing.Skia/SkiaEncoder.cs
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@ -29,9 +29,7 @@ namespace Jellyfin.Drawing.Skia
/// </summary>
/// <param name="logger">The application logger.</param>
/// <param name="appPaths">The application paths.</param>
public SkiaEncoder(
ILogger<SkiaEncoder> logger,
IApplicationPaths appPaths)
public SkiaEncoder(ILogger<SkiaEncoder> logger, IApplicationPaths appPaths)
{
_logger = logger;
_appPaths = appPaths;
@ -102,19 +100,14 @@ namespace Jellyfin.Drawing.Skia
/// <returns>The converted format.</returns>
public static SKEncodedImageFormat GetImageFormat(ImageFormat selectedFormat)
{
switch (selectedFormat)
{
case ImageFormat.Bmp:
return SKEncodedImageFormat.Bmp;
case ImageFormat.Jpg:
return SKEncodedImageFormat.Jpeg;
case ImageFormat.Gif:
return SKEncodedImageFormat.Gif;
case ImageFormat.Webp:
return SKEncodedImageFormat.Webp;
default:
return SKEncodedImageFormat.Png;
}
return selectedFormat switch
{
ImageFormat.Bmp => SKEncodedImageFormat.Bmp,
ImageFormat.Jpg => SKEncodedImageFormat.Jpeg,
ImageFormat.Gif => SKEncodedImageFormat.Gif,
ImageFormat.Webp => SKEncodedImageFormat.Webp,
_ => SKEncodedImageFormat.Png
};
}
private static bool IsTransparentRow(SKBitmap bmp, int row)
@ -146,63 +139,34 @@ namespace Jellyfin.Drawing.Skia
private SKBitmap CropWhiteSpace(SKBitmap bitmap)
{
var topmost = 0;
for (int row = 0; row < bitmap.Height; ++row)
while (topmost < bitmap.Height && IsTransparentRow(bitmap, topmost))
{
if (IsTransparentRow(bitmap, row))
{
topmost = row + 1;
}
else
{
break;
}
topmost++;
}
int bottommost = bitmap.Height;
for (int row = bitmap.Height - 1; row >= 0; --row)
while (bottommost >= 0 && IsTransparentRow(bitmap, bottommost - 1))
{
if (IsTransparentRow(bitmap, row))
{
bottommost = row;
}
else
{
break;
}
bottommost--;
}
int leftmost = 0, rightmost = bitmap.Width;
for (int col = 0; col < bitmap.Width; ++col)
var leftmost = 0;
while (leftmost < bitmap.Width && IsTransparentColumn(bitmap, leftmost))
{
if (IsTransparentColumn(bitmap, col))
{
leftmost = col + 1;
}
else
{
break;
}
leftmost++;
}
for (int col = bitmap.Width - 1; col >= 0; --col)
var rightmost = bitmap.Width;
while (rightmost >= 0 && IsTransparentColumn(bitmap, rightmost - 1))
{
if (IsTransparentColumn(bitmap, col))
{
rightmost = col;
}
else
{
break;
}
rightmost--;
}
var newRect = SKRectI.Create(leftmost, topmost, rightmost - leftmost, bottommost - topmost);
using (var image = SKImage.FromBitmap(bitmap))
using (var subset = image.Subset(newRect))
{
return SKBitmap.FromImage(subset);
}
using var image = SKImage.FromBitmap(bitmap);
using var subset = image.Subset(newRect);
return SKBitmap.FromImage(subset);
}
/// <inheritdoc />
@ -216,14 +180,12 @@ namespace Jellyfin.Drawing.Skia
throw new FileNotFoundException("File not found", path);
}
using (var codec = SKCodec.Create(path, out SKCodecResult result))
{
EnsureSuccess(result);
using var codec = SKCodec.Create(path, out SKCodecResult result);
EnsureSuccess(result);
var info = codec.Info;
var info = codec.Info;
return new ImageDimensions(info.Width, info.Height);
}
return new ImageDimensions(info.Width, info.Height);
}
/// <inheritdoc />
@ -253,12 +215,7 @@ namespace Jellyfin.Drawing.Skia
}
}
if (HasDiacritics(path))
{
return true;
}
return false;
return HasDiacritics(path);
}
private string NormalizePath(string path)
@ -283,25 +240,17 @@ namespace Jellyfin.Drawing.Skia
return SKEncodedOrigin.TopLeft;
}
switch (orientation.Value)
{
case ImageOrientation.TopRight:
return SKEncodedOrigin.TopRight;
case ImageOrientation.RightTop:
return SKEncodedOrigin.RightTop;
case ImageOrientation.RightBottom:
return SKEncodedOrigin.RightBottom;
case ImageOrientation.LeftTop:
return SKEncodedOrigin.LeftTop;
case ImageOrientation.LeftBottom:
return SKEncodedOrigin.LeftBottom;
case ImageOrientation.BottomRight:
return SKEncodedOrigin.BottomRight;
case ImageOrientation.BottomLeft:
return SKEncodedOrigin.BottomLeft;
default:
return SKEncodedOrigin.TopLeft;
}
return orientation.Value switch
{
ImageOrientation.TopRight => SKEncodedOrigin.TopRight,
ImageOrientation.RightTop => SKEncodedOrigin.RightTop,
ImageOrientation.RightBottom => SKEncodedOrigin.RightBottom,
ImageOrientation.LeftTop => SKEncodedOrigin.LeftTop,
ImageOrientation.LeftBottom => SKEncodedOrigin.LeftBottom,
ImageOrientation.BottomRight => SKEncodedOrigin.BottomRight,
ImageOrientation.BottomLeft => SKEncodedOrigin.BottomLeft,
_ => SKEncodedOrigin.TopLeft
};
}
/// <summary>
@ -323,24 +272,22 @@ namespace Jellyfin.Drawing.Skia
if (requiresTransparencyHack || forceCleanBitmap)
{
using (var codec = SKCodec.Create(NormalizePath(path)))
using var codec = SKCodec.Create(NormalizePath(path));
if (codec == null)
{
if (codec == null)
{
origin = GetSKEncodedOrigin(orientation);
return null;
}
origin = GetSKEncodedOrigin(orientation);
return null;
}
// create the bitmap
var bitmap = new SKBitmap(codec.Info.Width, codec.Info.Height, !requiresTransparencyHack);
// create the bitmap
var bitmap = new SKBitmap(codec.Info.Width, codec.Info.Height, !requiresTransparencyHack);
// decode
_ = codec.GetPixels(bitmap.Info, bitmap.GetPixels());
// decode
_ = codec.GetPixels(bitmap.Info, bitmap.GetPixels());
origin = codec.EncodedOrigin;
origin = codec.EncodedOrigin;
return bitmap;
}
return bitmap;
}
var resultBitmap = SKBitmap.Decode(NormalizePath(path));
@ -367,15 +314,8 @@ namespace Jellyfin.Drawing.Skia
{
if (cropWhitespace)
{
using (var bitmap = Decode(path, forceAnalyzeBitmap, orientation, out origin))
{
if (bitmap == null)
{
return null;
}
return CropWhiteSpace(bitmap);
}
using var bitmap = Decode(path, forceAnalyzeBitmap, orientation, out origin);
return bitmap == null ? null : CropWhiteSpace(bitmap);
}
return Decode(path, forceAnalyzeBitmap, orientation, out origin);
@ -403,133 +343,55 @@ namespace Jellyfin.Drawing.Skia
private SKBitmap OrientImage(SKBitmap bitmap, SKEncodedOrigin origin)
{
if (origin == SKEncodedOrigin.Default)
{
return bitmap;
}
var needsFlip = origin == SKEncodedOrigin.LeftBottom
|| origin == SKEncodedOrigin.LeftTop
|| origin == SKEncodedOrigin.RightBottom
|| origin == SKEncodedOrigin.RightTop;
var rotated = needsFlip
? new SKBitmap(bitmap.Height, bitmap.Width)
: new SKBitmap(bitmap.Width, bitmap.Height);
using var surface = new SKCanvas(rotated);
var midX = (float)rotated.Width / 2;
var midY = (float)rotated.Height / 2;
switch (origin)
{
case SKEncodedOrigin.TopRight:
{
var rotated = new SKBitmap(bitmap.Width, bitmap.Height);
using (var surface = new SKCanvas(rotated))
{
surface.Translate(rotated.Width, 0);
surface.Scale(-1, 1);
surface.DrawBitmap(bitmap, 0, 0);
}
return rotated;
}
surface.Scale(-1, 1, midX, midY);
break;
case SKEncodedOrigin.BottomRight:
{
var rotated = new SKBitmap(bitmap.Width, bitmap.Height);
using (var surface = new SKCanvas(rotated))
{
float px = (float)bitmap.Width / 2;
float py = (float)bitmap.Height / 2;
surface.RotateDegrees(180, px, py);
surface.DrawBitmap(bitmap, 0, 0);
}
return rotated;
}
surface.RotateDegrees(180, midX, midY);
break;
case SKEncodedOrigin.BottomLeft:
{
var rotated = new SKBitmap(bitmap.Width, bitmap.Height);
using (var surface = new SKCanvas(rotated))
{
float px = (float)bitmap.Width / 2;
float py = (float)bitmap.Height / 2;
surface.Translate(rotated.Width, 0);
surface.Scale(-1, 1);
surface.RotateDegrees(180, px, py);
surface.DrawBitmap(bitmap, 0, 0);
}
return rotated;
}
surface.Scale(1, -1, midX, midY);
break;
case SKEncodedOrigin.LeftTop:
{
// 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(rotated.Width, 0);
surface.RotateDegrees(90);
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(0, -rotated.Height);
surface.Scale(1, -1, midX, midY);
surface.RotateDegrees(-90);
break;
case SKEncodedOrigin.RightTop:
{
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);
}
}

2
Jellyfin.Drawing.Skia/SkiaException.cs
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@ -10,7 +10,7 @@ namespace Jellyfin.Drawing.Skia
/// <summary>
/// Initializes a new instance of the <see cref="SkiaException"/> class.
/// </summary>
public SkiaException() : base()
public SkiaException()
{
}

120
Jellyfin.Drawing.Skia/StripCollageBuilder.cs
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@ -69,12 +69,10 @@ namespace Jellyfin.Drawing.Skia
/// <param name="height">The desired height of the collage.</param>
public void BuildSquareCollage(string[] paths, string outputPath, int width, int height)
{
using (var bitmap = BuildSquareCollageBitmap(paths, width, height))
using (var outputStream = new SKFileWStream(outputPath))
using (var pixmap = new SKPixmap(new SKImageInfo(width, height), bitmap.GetPixels()))
{
pixmap.Encode(outputStream, GetEncodedFormat(outputPath), 90);
}
using var bitmap = BuildSquareCollageBitmap(paths, width, height);
using var outputStream = new SKFileWStream(outputPath);
using var pixmap = new SKPixmap(new SKImageInfo(width, height), bitmap.GetPixels());
pixmap.Encode(outputStream, GetEncodedFormat(outputPath), 90);
}
/// <summary>
@ -86,56 +84,46 @@ namespace Jellyfin.Drawing.Skia
/// <param name="height">The desired height of the collage.</param>
public void BuildThumbCollage(string[] paths, string outputPath, int width, int height)
{
using (var bitmap = BuildThumbCollageBitmap(paths, width, height))
using (var outputStream = new SKFileWStream(outputPath))
using (var pixmap = new SKPixmap(new SKImageInfo(width, height), bitmap.GetPixels()))
{
pixmap.Encode(outputStream, GetEncodedFormat(outputPath), 90);
}
using var bitmap = BuildThumbCollageBitmap(paths, width, height);
using var outputStream = new SKFileWStream(outputPath);
using var pixmap = new SKPixmap(new SKImageInfo(width, height), bitmap.GetPixels());
pixmap.Encode(outputStream, GetEncodedFormat(outputPath), 90);
}
private SKBitmap BuildThumbCollageBitmap(string[] paths, int width, int height)
{
var bitmap = new SKBitmap(width, height);
using (var canvas = new SKCanvas(bitmap))
{
canvas.Clear(SKColors.Black);
using var canvas = new SKCanvas(bitmap);
canvas.Clear(SKColors.Black);
// number of images used in the thumbnail
var iCount = 3;
// number of images used in the thumbnail
var iCount = 3;
// determine sizes for each image that will composited into the final image
var iSlice = Convert.ToInt32(width / iCount);
int iHeight = Convert.ToInt32(height * 1.00);
int imageIndex = 0;
for (int i = 0; i < iCount; i++)
// determine sizes for each image that will composited into the final image
var iSlice = Convert.ToInt32(width / iCount);
int iHeight = Convert.ToInt32(height * 1.00);
int imageIndex = 0;
for (int i = 0; i < iCount; i++)
{
using var currentBitmap = GetNextValidImage(paths, imageIndex, out int newIndex);
imageIndex = newIndex;
if (currentBitmap == null)
{
using (var currentBitmap = GetNextValidImage(paths, imageIndex, out int newIndex))
{
imageIndex = newIndex;
if (currentBitmap == null)
{
continue;
}
// resize to the same aspect as the original
int iWidth = Math.Abs(iHeight * currentBitmap.Width / currentBitmap.Height);
using (var resizeBitmap = new SKBitmap(iWidth, iHeight, currentBitmap.ColorType, currentBitmap.AlphaType))
{
currentBitmap.ScalePixels(resizeBitmap, SKFilterQuality.High);
// crop image
int ix = Math.Abs((iWidth - iSlice) / 2);
using (var image = SKImage.FromBitmap(resizeBitmap))
using (var subset = image.Subset(SKRectI.Create(ix, 0, iSlice, iHeight)))
{
// draw image onto canvas
canvas.DrawImage(subset ?? image, iSlice * i, 0);
}
}
}
continue;
}
// resize to the same aspect as the original
int iWidth = Math.Abs(iHeight * currentBitmap.Width / currentBitmap.Height);
using var resizeBitmap = new SKBitmap(iWidth, iHeight, currentBitmap.ColorType, currentBitmap.AlphaType);
currentBitmap.ScalePixels(resizeBitmap, SKFilterQuality.High);
// crop image
int ix = Math.Abs((iWidth - iSlice) / 2);
using var image = SKImage.FromBitmap(resizeBitmap);
using var subset = image.Subset(SKRectI.Create(ix, 0, iSlice, iHeight));
// draw image onto canvas
canvas.DrawImage(subset ?? image, iSlice * i, 0);
}
return bitmap;
@ -176,33 +164,27 @@ namespace Jellyfin.Drawing.Skia
var cellWidth = width / 2;
var cellHeight = height / 2;
using (var canvas = new SKCanvas(bitmap))
using var canvas = new SKCanvas(bitmap);
for (var x = 0; x < 2; x++)
{
for (var x = 0; x < 2; x++)
for (var y = 0; y < 2; y++)
{
for (var y = 0; y < 2; y++)
using var currentBitmap = GetNextValidImage(paths, imageIndex, out int newIndex);
imageIndex = newIndex;
if (currentBitmap == null)
{
using (var currentBitmap = GetNextValidImage(paths, imageIndex, out int newIndex))
{
imageIndex = newIndex;
if (currentBitmap == null)
{
continue;
}
using (var resizedBitmap = new SKBitmap(cellWidth, cellHeight, currentBitmap.ColorType, currentBitmap.AlphaType))
{
// scale image
currentBitmap.ScalePixels(resizedBitmap, SKFilterQuality.High);
// draw this image into the strip at the next position
var xPos = x * cellWidth;
var yPos = y * cellHeight;
canvas.DrawBitmap(resizedBitmap, xPos, yPos);
}
}
continue;
}
using var resizedBitmap = new SKBitmap(cellWidth, cellHeight, currentBitmap.ColorType, currentBitmap.AlphaType);
// scale image
currentBitmap.ScalePixels(resizedBitmap, SKFilterQuality.High);
// draw this image into the strip at the next position
var xPos = x * cellWidth;
var yPos = y * cellHeight;
canvas.DrawBitmap(resizedBitmap, xPos, yPos);
}
}

52
Jellyfin.Drawing.Skia/UnplayedCountIndicator.cs
Unescape View File

@ -28,41 +28,37 @@ namespace Jellyfin.Drawing.Skia
var x = imageSize.Width - OffsetFromTopRightCorner;
var text = count.ToString(CultureInfo.InvariantCulture);
using (var paint = new SKPaint())
using var paint = new SKPaint
{
paint.Color = SKColor.Parse("#CC00A4DC");
paint.Style = SKPaintStyle.Fill;
canvas.DrawCircle(x, OffsetFromTopRightCorner, 20, paint);
}
using (var paint = new SKPaint())
{
paint.Color = new SKColor(255, 255, 255, 255);
paint.Style = SKPaintStyle.Fill;
Color = SKColor.Parse("#CC00A4DC"),
Style = SKPaintStyle.Fill
};
paint.TextSize = 24;
paint.IsAntialias = true;
canvas.DrawCircle(x, OffsetFromTopRightCorner, 20, paint);
var y = OffsetFromTopRightCorner + 9;
paint.Color = new SKColor(255, 255, 255, 255);
paint.TextSize = 24;
paint.IsAntialias = true;
if (text.Length == 1)
{
x -= 7;
}
var y = OffsetFromTopRightCorner + 9;
if (text.Length == 2)
{
x -= 13;
}
else if (text.Length >= 3)
{
x -= 15;
y -= 2;
paint.TextSize = 18;
}
if (text.Length == 1)
{
x -= 7;
}
canvas.DrawText(text, x, y, paint);
if (text.Length == 2)
{
x -= 13;
}
else if (text.Length >= 3)
{
x -= 15;
y -= 2;
paint.TextSize = 18;
}
canvas.DrawText(text, x, y, paint);
}
}
}

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