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support photo orientation

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This commit is contained in:
Luke Pulverenti 2016-01-21 03:23:02 -05:00
parent 086713064c
commit aaf316884d
6 changed files with 76 additions and 8 deletions
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2
Emby.Drawing/GDI/GDIImageEncoder.cs
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@ -89,7 +89,7 @@ namespace Emby.Drawing.GDI
}
}
public void EncodeImage(string inputPath, string cacheFilePath, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
public void EncodeImage(string inputPath, string cacheFilePath, int rotationAngle, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
var hasPostProcessing = !string.IsNullOrEmpty(options.BackgroundColor) || options.UnplayedCount.HasValue || options.AddPlayedIndicator || options.PercentPlayed > 0;

3
Emby.Drawing/IImageEncoder.cs
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@ -27,12 +27,13 @@ namespace Emby.Drawing
/// </summary>
/// <param name="inputPath">The input path.</param>
/// <param name="outputPath">The output path.</param>
/// <param name="rotationAngle">The rotation angle.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="quality">The quality.</param>
/// <param name="options">The options.</param>
/// <param name="outputFormat">The output format.</param>
void EncodeImage(string inputPath, string outputPath, int width, int height, int quality, ImageProcessingOptions options, ImageFormat outputFormat);
void EncodeImage(string inputPath, string outputPath, int rotationAngle, int width, int height, int quality, ImageProcessingOptions options, ImageFormat outputFormat);
/// <summary>
/// Creates the image collage.

20
Emby.Drawing/ImageMagick/ImageMagickEncoder.cs
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@ -139,7 +139,7 @@ namespace Emby.Drawing.ImageMagick
string.Equals(ext, ".webp", StringComparison.OrdinalIgnoreCase);
}
public void EncodeImage(string inputPath, string outputPath, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
public void EncodeImage(string inputPath, string outputPath, int rotationAngle, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
// Even if the caller specified 100, don't use it because it takes forever
quality = Math.Min(quality, 99);
@ -150,6 +150,11 @@ namespace Emby.Drawing.ImageMagick
{
ScaleImage(originalImage, width, height);
if (rotationAngle > 0)
{
RotateImage(originalImage, rotationAngle);
}
DrawIndicator(originalImage, width, height, options);
originalImage.CurrentImage.CompressionQuality = quality;
@ -166,6 +171,11 @@ namespace Emby.Drawing.ImageMagick
{
ScaleImage(originalImage, width, height);
if (rotationAngle > 0)
{
RotateImage(originalImage, rotationAngle);
}
wand.CurrentImage.CompositeImage(originalImage, CompositeOperator.OverCompositeOp, 0, 0);
DrawIndicator(wand, width, height, options);
@ -179,6 +189,14 @@ namespace Emby.Drawing.ImageMagick
SaveDelay();
}
public static void RotateImage(MagickWand wand, float angle)
{
using (var pixelWand = new PixelWand("none", 1))
{
wand.CurrentImage.RotateImage(pixelWand, angle);
}
}
private void ScaleImage(MagickWand wand, int width, int height)
{
var highQuality = false;

31
Emby.Drawing/ImageProcessor.cs
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@ -257,7 +257,7 @@ namespace Emby.Drawing
imageProcessingLockTaken = true;
_imageEncoder.EncodeImage(originalImagePath, cacheFilePath, newWidth, newHeight, quality, options, outputFormat);
_imageEncoder.EncodeImage(originalImagePath, cacheFilePath, GetRotationAngle(options.Item), newWidth, newHeight, quality, options, outputFormat);
}
return new Tuple<string, string>(cacheFilePath, GetMimeType(outputFormat, cacheFilePath));
@ -281,6 +281,35 @@ namespace Emby.Drawing
}
}
private int GetRotationAngle(IHasImages item)
{
var photo = item as Photo;
if (photo != null && photo.Orientation.HasValue)
{
switch (photo.Orientation.Value)
{
case ImageOrientation.TopLeft:
return 0;
case ImageOrientation.TopRight:
return 0;
case ImageOrientation.BottomLeft:
return 270;
case ImageOrientation.BottomRight:
return 180;
case ImageOrientation.LeftBottom:
return -90;
case ImageOrientation.LeftTop:
return 0;
case ImageOrientation.RightBottom:
return 0;
case ImageOrientation.RightTop:
return 90;
}
}
return 0;
}
private string GetMimeType(ImageFormat format, string path)
{
if (format == ImageFormat.Bmp)

2
Emby.Drawing/NullImageEncoder.cs
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@ -32,7 +32,7 @@ namespace Emby.Drawing
throw new NotImplementedException();
}
public void EncodeImage(string inputPath, string outputPath, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
public void EncodeImage(string inputPath, string outputPath, int rotationAngle, int width, int height, int quality, ImageProcessingOptions options, ImageFormat selectedOutputFormat)
{
throw new NotImplementedException();
}

26
MediaBrowser.Server.Implementations/Dto/DtoService.cs
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@ -1783,11 +1783,31 @@ namespace MediaBrowser.Server.Implementations.Dto
}
}
if (size.Width > 0 && size.Height > 0)
var width = size.Width;
var height = size.Height;
if (width == 0 || height == 0)
{
return size.Width / size.Height;
return null;
}
return null;
var photo = item as Photo;
if (photo != null && photo.Orientation.HasValue)
{
switch (photo.Orientation.Value)
{
case ImageOrientation.LeftBottom:
case ImageOrientation.LeftTop:
case ImageOrientation.RightBottom:
case ImageOrientation.RightTop:
var temp = height;
height = width;
width = temp;
break;
}
}
return width / height;
}
}
}