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move crop whitespace directly to encode image

Browse Source
release-10.1.0
Luke Pulverenti 8 years ago
parent 4569b6b491
commit f49d20033d
8 changed files with 186 additions and 229 deletions

16
Emby.Drawing.ImageMagick/ImageMagickEncoder.cs
Unescape View File

@ -105,17 +105,6 @@ namespace Emby.Drawing.ImageMagick
}
}
public void CropWhiteSpace(string inputPath, string outputPath)
{
CheckDisposed();
using (var wand = new MagickWand(inputPath))
{
wand.CurrentImage.TrimImage(10);
wand.SaveImage(outputPath);
}
}
public ImageSize GetImageSize(string path)
{
CheckDisposed();
@ -150,6 +139,11 @@ namespace Emby.Drawing.ImageMagick
{
using (var originalImage = new MagickWand(inputPath))
{
if (options.CropWhiteSpace)
{
originalImage.CurrentImage.TrimImage(10);
}
ScaleImage(originalImage, width, height, options.Blur ?? 0);
if (autoOrient)

17
Emby.Drawing.Net/GDIImageEncoder.cs
Unescape View File

@ -75,27 +75,24 @@ namespace Emby.Drawing.Net
}
}
public void CropWhiteSpace(string inputPath, string outputPath)
private Image GetImage(string path, bool cropWhitespace)
{
using (var image = (Bitmap)Image.FromFile(inputPath))
if (cropWhitespace)
{
using (var croppedImage = image.CropWhitespace())
using (var originalImage = (Bitmap)Image.FromFile(path))
{
_fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(outputPath));
using (var outputStream = _fileSystem.GetFileStream(outputPath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read, false))
{
croppedImage.Save(System.Drawing.Imaging.ImageFormat.Png, outputStream, 100);
}
return originalImage.CropWhitespace();
}
}
return Image.FromFile(path);
}
public void EncodeImage(string inputPath, string cacheFilePath, bool autoOrient, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
var hasPostProcessing = !string.IsNullOrEmpty(options.BackgroundColor) || options.UnplayedCount.HasValue || options.AddPlayedIndicator || options.PercentPlayed > 0;
using (var originalImage = Image.FromFile(inputPath))
using (var originalImage = GetImage(inputPath, options.CropWhiteSpace))
{
var newWidth = Convert.ToInt32(width);
var newHeight = Convert.ToInt32(height);

150
Emby.Drawing.Skia/SkiaEncoder.cs
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@ -66,7 +66,15 @@ namespace Emby.Drawing.Skia
public static string GetVersion()
{
return typeof(SKCanvas).GetTypeInfo().Assembly.GetName().Version.ToString();
using (var bitmap = new SKBitmap())
{
return typeof(SKBitmap).GetTypeInfo().Assembly.GetName().Version.ToString();
}
}
private static bool IsWhiteSpace(SKColor color)
{
return (color.Red == 255 && color.Green == 255 && color.Blue == 255) || color.Alpha == 0;
}
public static SKEncodedImageFormat GetImageFormat(ImageFormat selectedFormat)
@ -81,22 +89,88 @@ namespace Emby.Drawing.Skia
return SKEncodedImageFormat.Gif;
case ImageFormat.Webp:
return SKEncodedImageFormat.Webp;
case ImageFormat.Png:
default:
return SKEncodedImageFormat.Png;
}
}
public void CropWhiteSpace(string inputPath, string outputPath)
private static bool IsAllWhiteRow(SKBitmap bmp, int row)
{
for (var i = 0; i < bmp.Width; ++i)
{
if (!IsWhiteSpace(bmp.GetPixel(i, row)))
{
return false;
}
}
return true;
}
private static bool IsAllWhiteColumn(SKBitmap bmp, int col)
{
for (var i = 0; i < bmp.Height; ++i)
{
if (!IsWhiteSpace(bmp.GetPixel(col, i)))
{
return false;
}
}
return true;
}
private SKBitmap CropWhiteSpace(SKBitmap bitmap)
{
CheckDisposed();
using (var bitmap = SKBitmap.Decode(inputPath))
var topmost = 0;
for (int row = 0; row < bitmap.Height; ++row)
{
if (IsAllWhiteRow(bitmap, row))
topmost = row;
else break;
}
int bottommost = 0;
for (int row = bitmap.Height - 1; row >= 0; --row)
{
if (IsAllWhiteRow(bitmap, row))
bottommost = row;
else break;
}
int leftmost = 0, rightmost = 0;
for (int col = 0; col < bitmap.Width; ++col)
{
if (IsAllWhiteColumn(bitmap, col))
leftmost = col;
else
break;
}
for (int col = bitmap.Width - 1; col >= 0; --col)
{
// @todo
if (IsAllWhiteColumn(bitmap, col))
rightmost = col;
else
break;
}
_fileSystem.CopyFile(inputPath, outputPath, true);
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 data = subset.Encode(StripCollageBuilder.GetEncodedFormat(outputPath), 90))
//{
// using (var fileStream = _fileSystem.GetFileStream(outputPath, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read))
// {
// data.AsStream().CopyTo(fileStream);
// }
//}
}
}
}
public ImageSize GetImageSize(string path)
@ -118,6 +192,19 @@ namespace Emby.Drawing.Skia
}
}
private SKBitmap GetBitmap(string path, bool cropWhitespace)
{
if (cropWhitespace)
{
using (var bitmap = SKBitmap.Decode(path))
{
return CropWhiteSpace(bitmap);
}
}
return SKBitmap.Decode(path);
}
public void EncodeImage(string inputPath, string outputPath, bool autoOrient, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
if (string.IsNullOrWhiteSpace(inputPath))
@ -129,12 +216,34 @@ namespace Emby.Drawing.Skia
throw new ArgumentNullException("outputPath");
}
using (var bitmap = SKBitmap.Decode(inputPath))
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))
{
using (var resizedBitmap = new SKBitmap(width, height, bitmap.ColorType, bitmap.AlphaType))
{
// scale image
bitmap.Resize(resizedBitmap, SKBitmapResizeMethod.Lanczos3);
var resizeMethod = options.Image.Type == MediaBrowser.Model.Entities.ImageType.Logo ||
options.Image.Type == MediaBrowser.Model.Entities.ImageType.Art
? SKBitmapResizeMethod.Lanczos3
: SKBitmapResizeMethod.Lanczos3;
bitmap.Resize(resizedBitmap, resizeMethod);
// If all we're doing is resizing then we can stop now
if (!hasBackgroundColor && !hasForegroundColor && blur == 0 && !hasIndicator)
{
using (var outputStream = new SKFileWStream(outputPath))
{
resizedBitmap.Encode(outputStream, skiaOutputFormat, quality);
return;
}
}
// create bitmap to use for canvas drawing
using (var saveBitmap = new SKBitmap(width, height, bitmap.ColorType, bitmap.AlphaType))
@ -143,13 +252,13 @@ namespace Emby.Drawing.Skia
using (var canvas = new SKCanvas(saveBitmap))
{
// set background color if present
if (!string.IsNullOrWhiteSpace(options.BackgroundColor))
if (hasBackgroundColor)
{
canvas.Clear(SKColor.Parse(options.BackgroundColor));
}
// Add blur if option is present
if (options.Blur > 0)
if (blur > 0)
{
using (var paint = new SKPaint())
{
@ -168,20 +277,23 @@ namespace Emby.Drawing.Skia
}
// If foreground layer present then draw
if (!string.IsNullOrWhiteSpace(options.ForegroundLayer))
if (hasForegroundColor)
{
Double opacity;
if (!Double.TryParse(options.ForegroundLayer, out opacity)) opacity = .4;
var foregroundColor = String.Format("#{0:X2}000000", (Byte)((1-opacity) * 0xFF));
var foregroundColor = String.Format("#{0:X2}000000", (Byte)((1 - opacity) * 0xFF));
canvas.DrawColor(SKColor.Parse(foregroundColor), SKBlendMode.SrcOver);
}
DrawIndicator(canvas, width, height, options);
if (hasIndicator)
{
DrawIndicator(canvas, width, height, options);
}
using (var outputStream = new SKFileWStream(outputPath))
{
saveBitmap.Encode(outputStream, GetImageFormat(selectedOutputFormat), quality);
saveBitmap.Encode(outputStream, skiaOutputFormat, quality);
}
}
}
@ -204,17 +316,13 @@ namespace Emby.Drawing.Skia
}
else
{
new StripCollageBuilder(_appPaths, _fileSystem).BuildPosterCollage(options.InputPaths, options.OutputPath, options.Width, options.Height);
// @todo create Poster collage capability
new StripCollageBuilder(_appPaths, _fileSystem).BuildSquareCollage(options.InputPaths, options.OutputPath, options.Width, options.Height);
}
}
private void DrawIndicator(SKCanvas canvas, int imageWidth, int imageHeight, ImageProcessingOptions options)
{
if (!options.AddPlayedIndicator && !options.UnplayedCount.HasValue && options.PercentPlayed.Equals(0))
{
return;
}
try
{
var currentImageSize = new ImageSize(imageWidth, imageHeight);
@ -269,4 +377,4 @@ namespace Emby.Drawing.Skia
get { return true; }
}
}
}
}

167
Emby.Drawing.Skia/StripCollageBuilder.cs
Unescape View File

@ -2,9 +2,6 @@
using MediaBrowser.Common.Configuration;
using System;
using System.IO;
using System.Collections.Generic;
using MediaBrowser.Common.IO;
using MediaBrowser.Controller.IO;
using MediaBrowser.Model.IO;
namespace Emby.Drawing.Skia
@ -20,7 +17,7 @@ namespace Emby.Drawing.Skia
_fileSystem = fileSystem;
}
private SKEncodedImageFormat GetEncodedFormat(string outputPath)
public static SKEncodedImageFormat GetEncodedFormat(string outputPath)
{
var ext = Path.GetExtension(outputPath).ToLower();
@ -42,13 +39,7 @@ namespace Emby.Drawing.Skia
public void BuildPosterCollage(string[] paths, string outputPath, int width, int height)
{
using (var bitmap = BuildPosterCollageBitmap(paths, width, height))
{
using (var outputStream = new SKFileWStream(outputPath))
{
bitmap.Encode(outputStream, GetEncodedFormat(outputPath), 90);
}
}
// @todo
}
public void BuildSquareCollage(string[] paths, string outputPath, int width, int height)
@ -73,136 +64,64 @@ namespace Emby.Drawing.Skia
}
}
private SKBitmap BuildPosterCollageBitmap(string[] paths, int width, int height)
private SKBitmap BuildThumbCollageBitmap(string[] paths, int width, int height)
{
return null;
/* var inputPaths = ImageHelpers.ProjectPaths(paths, 3);
using (var wandImages = new MagickWand(inputPaths.ToArray()))
{
var wand = new MagickWand(width, height);
wand.OpenImage("gradient:#111111-#111111");
using (var draw = new DrawingWand())
{
var iSlice = Convert.ToInt32(width * 0.3);
int iTrans = Convert.ToInt32(height * .25);
int iHeight = Convert.ToInt32(height * .65);
var horizontalImagePadding = Convert.ToInt32(width * 0.0366);
foreach (var element in wandImages.ImageList)
{
using (var blackPixelWand = new PixelWand(ColorName.Black))
{
int iWidth = (int)Math.Abs(iHeight * element.Width / element.Height);
element.Gravity = GravityType.CenterGravity;
element.BackgroundColor = blackPixelWand;
element.ResizeImage(iWidth, iHeight, FilterTypes.LanczosFilter);
int ix = (int)Math.Abs((iWidth - iSlice) / 2);
element.CropImage(iSlice, iHeight, ix, 0);
element.ExtentImage(iSlice, iHeight, 0 - horizontalImagePadding, 0);
}
}
wandImages.SetFirstIterator();
using (var wandList = wandImages.AppendImages())
{
wandList.CurrentImage.TrimImage(1);
using (var mwr = wandList.CloneMagickWand())
{
using (var blackPixelWand = new PixelWand(ColorName.Black))
{
using (var greyPixelWand = new PixelWand(ColorName.Grey70))
{
mwr.CurrentImage.ResizeImage(wandList.CurrentImage.Width, (wandList.CurrentImage.Height / 2), FilterTypes.LanczosFilter, 1);
mwr.CurrentImage.FlipImage();
mwr.CurrentImage.AlphaChannel = AlphaChannelType.DeactivateAlphaChannel;
mwr.CurrentImage.ColorizeImage(blackPixelWand, greyPixelWand);
using (var mwg = new MagickWand(wandList.CurrentImage.Width, iTrans))
{
mwg.OpenImage("gradient:black-none");
var verticalSpacing = Convert.ToInt32(height * 0.01111111111111111111111111111111);
mwr.CurrentImage.CompositeImage(mwg, CompositeOperator.CopyOpacityCompositeOp, 0, verticalSpacing);
var bitmap = new SKBitmap(width, height);
wandList.AddImage(mwr);
int ex = (int)(wand.CurrentImage.Width - mwg.CurrentImage.Width) / 2;
wand.CurrentImage.CompositeImage(wandList.AppendImages(true), CompositeOperator.AtopCompositeOp, ex, Convert.ToInt32(height * .05));
}
}
}
}
}
}
using (var canvas = new SKCanvas(bitmap))
{
canvas.Clear(SKColors.Black);
return wand;
}*/
}
var iSlice = Convert.ToInt32(width * 0.24125);
int iTrans = Convert.ToInt32(height * .25);
int iHeight = Convert.ToInt32(height * .70);
var horizontalImagePadding = Convert.ToInt32(width * 0.0125);
var verticalSpacing = Convert.ToInt32(height * 0.01111111111111111111111111111111);
int imageIndex = 0;
private SKBitmap BuildThumbCollageBitmap(string[] paths, int width, int height)
{
return null;
/*var inputPaths = ImageHelpers.ProjectPaths(paths, 4);
using (var wandImages = new MagickWand(inputPaths.ToArray()))
{
var wand = new MagickWand(width, height);
wand.OpenImage("gradient:#111111-#111111");
using (var draw = new DrawingWand())
for (int i = 0; i < 4; i++)
{
var iSlice = Convert.ToInt32(width * 0.24125);
int iTrans = Convert.ToInt32(height * .25);
int iHeight = Convert.ToInt32(height * .70);
var horizontalImagePadding = Convert.ToInt32(width * 0.0125);
foreach (var element in wandImages.ImageList)
using (var currentBitmap = SKBitmap.Decode(paths[imageIndex]))
{
using (var blackPixelWand = new PixelWand(ColorName.Black))
int iWidth = (int)Math.Abs(iHeight * currentBitmap.Width / currentBitmap.Height);
using (var resizeBitmap = new SKBitmap(iWidth, iHeight, currentBitmap.ColorType, currentBitmap.AlphaType))
{
int iWidth = (int)Math.Abs(iHeight * element.Width / element.Height);
element.Gravity = GravityType.CenterGravity;
element.BackgroundColor = blackPixelWand;
element.ResizeImage(iWidth, iHeight, FilterTypes.LanczosFilter);
currentBitmap.Resize(resizeBitmap, SKBitmapResizeMethod.Lanczos3);
int ix = (int)Math.Abs((iWidth - iSlice) / 2);
element.CropImage(iSlice, iHeight, ix, 0);
element.ExtentImage(iSlice, iHeight, 0 - horizontalImagePadding, 0);
}
}
wandImages.SetFirstIterator();
using (var wandList = wandImages.AppendImages())
{
wandList.CurrentImage.TrimImage(1);
using (var mwr = wandList.CloneMagickWand())
{
using (var blackPixelWand = new PixelWand(ColorName.Black))
using (var image = SKImage.FromBitmap(resizeBitmap))
{
using (var greyPixelWand = new PixelWand(ColorName.Grey70))
using (var subset = image.Subset(SKRectI.Create(ix, 0, iSlice, iHeight)))
{
mwr.CurrentImage.ResizeImage(wandList.CurrentImage.Width, (wandList.CurrentImage.Height / 2), FilterTypes.LanczosFilter, 1);
mwr.CurrentImage.FlipImage();
mwr.CurrentImage.AlphaChannel = AlphaChannelType.DeactivateAlphaChannel;
mwr.CurrentImage.ColorizeImage(blackPixelWand, greyPixelWand);
canvas.DrawImage(subset, (horizontalImagePadding * (i + 1)) + (iSlice * i), 0);
using (var mwg = new MagickWand(wandList.CurrentImage.Width, iTrans))
using (var croppedBitmap = SKBitmap.FromImage(subset))
{
mwg.OpenImage("gradient:black-none");
var verticalSpacing = Convert.ToInt32(height * 0.01111111111111111111111111111111);
mwr.CurrentImage.CompositeImage(mwg, CompositeOperator.CopyOpacityCompositeOp, 0, verticalSpacing);
wandList.AddImage(mwr);
int ex = (int)(wand.CurrentImage.Width - mwg.CurrentImage.Width) / 2;
wand.CurrentImage.CompositeImage(wandList.AppendImages(true), CompositeOperator.AtopCompositeOp, ex, Convert.ToInt32(height * .045));
using (var flipped = new SKBitmap(croppedBitmap.Width, croppedBitmap.Height / 2, croppedBitmap.ColorType, croppedBitmap.AlphaType))
{
croppedBitmap.Resize(flipped, SKBitmapResizeMethod.Lanczos3);
using (var gradient = new SKPaint())
{
var matrix = SKMatrix.MakeScale(1, -1);
matrix.SetScaleTranslate(1, -1, 0, flipped.Height);
gradient.Shader = SKShader.CreateLinearGradient(new SKPoint(0, 0), new SKPoint(0, flipped.Height), new[] { new SKColor(0, 0, 0, 0), SKColors.Black }, null, SKShaderTileMode.Clamp, matrix);
canvas.DrawBitmap(flipped, (horizontalImagePadding * (i + 1)) + (iSlice * i), iHeight + verticalSpacing, gradient);
}
}
}
}
}
}
}
imageIndex++;
if (imageIndex >= paths.Length)
imageIndex = 0;
}
}
return wand;
}*/
return bitmap;
}
private SKBitmap BuildSquareCollageBitmap(string[] paths, int width, int height)
@ -224,7 +143,7 @@ namespace Emby.Drawing.Skia
{
// scale image
currentBitmap.Resize(resizedBitmap, SKBitmapResizeMethod.Lanczos3);
// draw this image into the strip at the next position
var xPos = x * cellWidth;
var yPos = y * cellHeight;
@ -242,4 +161,4 @@ namespace Emby.Drawing.Skia
return bitmap;
}
}
}
}

56
Emby.Drawing/ImageProcessor.cs
Unescape View File

@ -136,14 +136,6 @@ namespace Emby.Drawing
}
}
private string CroppedWhitespaceImageCachePath
{
get
{
return Path.Combine(_appPaths.ImageCachePath, "cropped-images");
}
}
public void AddParts(IEnumerable<IImageEnhancer> enhancers)
{
ImageEnhancers = enhancers.ToArray();
@ -186,14 +178,6 @@ namespace Emby.Drawing
return new Tuple<string, string, DateTime>(originalImagePath, MimeTypes.GetMimeType(originalImagePath), dateModified);
}
if (options.CropWhiteSpace && _imageEncoder.SupportsImageEncoding)
{
var tuple = await GetWhitespaceCroppedImage(originalImagePath, dateModified).ConfigureAwait(false);
originalImagePath = tuple.Item1;
dateModified = tuple.Item2;
}
if (options.Enhancers.Count > 0)
{
var tuple = await GetEnhancedImage(new ItemImageInfo
@ -400,46 +384,6 @@ namespace Emby.Drawing
return requestedFormat;
}
/// <summary>
/// Crops whitespace from an image, caches the result, and returns the cached path
/// </summary>
private async Task<Tuple<string, DateTime>> GetWhitespaceCroppedImage(string originalImagePath, DateTime dateModified)
{
var name = originalImagePath;
name += "datemodified=" + dateModified.Ticks;
var croppedImagePath = GetCachePath(CroppedWhitespaceImageCachePath, name, Path.GetExtension(originalImagePath));
// Check again in case of contention
if (_fileSystem.FileExists(croppedImagePath))
{
return GetResult(croppedImagePath);
}
try
{
_fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(croppedImagePath));
var tmpPath = Path.ChangeExtension(Path.Combine(_appPaths.TempDirectory, Guid.NewGuid().ToString("N")), Path.GetExtension(croppedImagePath));
_fileSystem.CreateDirectory(_fileSystem.GetDirectoryName(tmpPath));
_imageEncoder.CropWhiteSpace(originalImagePath, tmpPath);
CopyFile(tmpPath, croppedImagePath);
return GetResult(tmpPath);
}
catch (NotImplementedException)
{
// No need to spam the log with an error message
return new Tuple<string, DateTime>(originalImagePath, dateModified);
}
catch (Exception ex)
{
// We have to have a catch-all here because some of the .net image methods throw a plain old Exception
_logger.ErrorException("Error cropping image {0}", ex, originalImagePath);
return new Tuple<string, DateTime>(originalImagePath, dateModified);
}
}
private Tuple<string, DateTime> GetResult(string path)
{
return new Tuple<string, DateTime>(path, _fileSystem.GetLastWriteTimeUtc(path));

6
MediaBrowser.Controller/Drawing/IImageEncoder.cs
Unescape View File

@ -16,12 +16,6 @@ namespace MediaBrowser.Controller.Drawing
/// <value>The supported output formats.</value>
ImageFormat[] SupportedOutputFormats { get; }
/// <summary>
/// Crops the white space.
/// </summary>
/// <param name="inputPath">The input path.</param>
/// <param name="outputPath">The output path.</param>
void CropWhiteSpace(string inputPath, string outputPath);
/// <summary>
/// Encodes the image.
/// </summary>
/// <param name="inputPath">The input path.</param>

1
MediaBrowser.Controller/Drawing/ImageProcessingOptions.cs
Unescape View File

@ -86,6 +86,7 @@ namespace MediaBrowser.Controller.Drawing
PercentPlayed.Equals(0) &&
!UnplayedCount.HasValue &&
!Blur.HasValue &&
!CropWhiteSpace &&
string.IsNullOrEmpty(BackgroundColor) &&
string.IsNullOrEmpty(ForegroundLayer);
}

2
MediaBrowser.ServerApplication/ImageEncoderHelper.cs
Unescape View File

@ -26,7 +26,7 @@ namespace MediaBrowser.Server.Startup.Common
{
try
{
return new SkiaEncoder(logManager.GetLogger("ImageMagick"), appPaths, httpClient, fileSystem);
//return new SkiaEncoder(logManager.GetLogger("ImageMagick"), appPaths, httpClient, fileSystem);
}
catch
{

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