Convert to using declarations

This commit is contained in:
Patrick Barron 2020-07-19 14:12:53 -04:00
parent 6ab4493ecb
commit 196e8e131a
3 changed files with 223 additions and 276 deletions

View File

@ -19,22 +19,20 @@ 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, (float)endX, (float)endY), paint);
double foregroundWidth = endX;
foregroundWidth *= percent;
foregroundWidth /= 100;
double foregroundWidth = endX;
foregroundWidth *= percent;
foregroundWidth /= 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), (float)endY), paint);
}
}
}

View File

@ -198,11 +198,9 @@ namespace Jellyfin.Drawing.Skia
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 +214,12 @@ 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 />
@ -323,24 +319,22 @@ 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;
}
// create the bitmap
var bitmap = new SKBitmap(codec.Info.Width, codec.Info.Height, !requiresTransparencyHack);
// decode
_ = codec.GetPixels(bitmap.Info, bitmap.GetPixels());
origin = codec.EncodedOrigin;
return bitmap;
origin = GetSKEncodedOrigin(orientation);
return null;
}
// create the bitmap
var bitmap = new SKBitmap(codec.Info.Width, codec.Info.Height, !requiresTransparencyHack);
// decode
_ = codec.GetPixels(bitmap.Info, bitmap.GetPixels());
origin = codec.EncodedOrigin;
return bitmap;
}
var resultBitmap = SKBitmap.Decode(NormalizePath(path));
@ -367,15 +361,13 @@ namespace Jellyfin.Drawing.Skia
{
if (cropWhitespace)
{
using (var bitmap = Decode(path, forceAnalyzeBitmap, orientation, out origin))
using var bitmap = Decode(path, forceAnalyzeBitmap, orientation, out origin);
if (bitmap == null)
{
if (bitmap == null)
{
return null;
}
return CropWhiteSpace(bitmap);
return null;
}
return CropWhiteSpace(bitmap);
}
return Decode(path, forceAnalyzeBitmap, orientation, out origin);
@ -408,12 +400,10 @@ namespace Jellyfin.Drawing.Skia
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);
}
using var surface = new SKCanvas(rotated);
surface.Translate(rotated.Width, 0);
surface.Scale(-1, 1);
surface.DrawBitmap(bitmap, 0, 0);
return rotated;
}
@ -421,14 +411,12 @@ namespace Jellyfin.Drawing.Skia
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;
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);
}
surface.RotateDegrees(180, px, py);
surface.DrawBitmap(bitmap, 0, 0);
return rotated;
}
@ -436,94 +424,83 @@ namespace Jellyfin.Drawing.Skia
case SKEncodedOrigin.BottomLeft:
{
var rotated = new SKBitmap(bitmap.Width, bitmap.Height);
using (var surface = new SKCanvas(rotated))
{
float px = (float)bitmap.Width / 2;
using var surface = new SKCanvas(rotated);
float px = (float)bitmap.Width / 2;
float py = (float)bitmap.Height / 2;
float py = (float)bitmap.Height / 2;
surface.Translate(rotated.Width, 0);
surface.Scale(-1, 1);
surface.Translate(rotated.Width, 0);
surface.Scale(-1, 1);
surface.RotateDegrees(180, px, py);
surface.DrawBitmap(bitmap, 0, 0);
}
surface.RotateDegrees(180, px, py);
surface.DrawBitmap(bitmap, 0, 0);
return rotated;
}
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))
{
// 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.Translate(rotated.Width, 0);
surface.RotateDegrees(90);
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.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;
}
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);
}
using var surface = new SKCanvas(rotated);
surface.Translate(rotated.Width, 0);
surface.RotateDegrees(90);
surface.DrawBitmap(bitmap, 0, 0);
return rotated;
}
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))
{
// 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(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;
}
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);
}
using var surface = new SKCanvas(rotated);
surface.Translate(0, rotated.Height);
surface.RotateDegrees(270);
surface.DrawBitmap(bitmap, 0, 0);
return rotated;
}
@ -552,97 +529,87 @@ 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($"Skia unable to read image {inputPath}");
}
var originalImageSize = new ImageDimensions(bitmap.Width, bitmap.Height);
if (!options.CropWhiteSpace
&& options.HasDefaultOptions(inputPath, originalImageSize)
&& !autoOrient)
{
// Just spit out the original file if all the options are default
return inputPath;
}
var newImageSize = ImageHelper.GetNewImageSize(options, originalImageSize);
var width = newImageSize.Width;
var height = newImageSize.Height;
using var resizedBitmap = new SKBitmap(width, height, bitmap.ColorType, bitmap.AlphaType);
// scale image
bitmap.ScalePixels(resizedBitmap, SKFilterQuality.High);
// If all we're doing is resizing then we can stop now
if (!hasBackgroundColor && !hasForegroundColor && blur == 0 && !hasIndicator)
{
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
using var outputStream = new SKFileWStream(outputPath);
using var pixmap = new SKPixmap(new SKImageInfo(width, height), resizedBitmap.GetPixels());
pixmap.Encode(outputStream, skiaOutputFormat, quality);
return outputPath;
}
// create bitmap to use for canvas drawing used to draw into bitmap
using var saveBitmap = new SKBitmap(width, height);
using var canvas = new SKCanvas(saveBitmap);
// set background color if present
if (hasBackgroundColor)
{
canvas.Clear(SKColor.Parse(options.BackgroundColor));
}
// Add blur if option is present
if (blur > 0)
{
// create image from resized bitmap to apply blur
using var paint = new SKPaint();
using var filter = SKImageFilter.CreateBlur(blur, blur);
paint.ImageFilter = filter;
canvas.DrawBitmap(resizedBitmap, SKRect.Create(width, height), paint);
}
else
{
// draw resized bitmap onto canvas
canvas.DrawBitmap(resizedBitmap, SKRect.Create(width, height));
}
// If foreground layer present then draw
if (hasForegroundColor)
{
if (!double.TryParse(options.ForegroundLayer, out double opacity))
{
throw new InvalidDataException($"Skia unable to read image {inputPath}");
opacity = .4;
}
var originalImageSize = new ImageDimensions(bitmap.Width, bitmap.Height);
canvas.DrawColor(new SKColor(0, 0, 0, (byte)((1 - opacity) * 0xFF)), SKBlendMode.SrcOver);
}
if (!options.CropWhiteSpace
&& options.HasDefaultOptions(inputPath, originalImageSize)
&& !autoOrient)
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()))
{
// 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);
}
}
}
pixmap.Encode(outputStream, skiaOutputFormat, quality);
}
}

View File

@ -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))
using var canvas = new SKCanvas(bitmap);
canvas.Clear(SKColors.Black);
// 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++)
{
canvas.Clear(SKColors.Black);
// 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++)
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);
}
}