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stub out dynamic images

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This commit is contained in:
Luke Pulverenti 2015-03-13 16:09:07 -04:00
parent 63fb306916
commit 7c99b0a14a
4 changed files with 137 additions and 1 deletions
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2
MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj
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@ -248,6 +248,7 @@
<Compile Include="Persistence\TypeMapper.cs" />
<Compile Include="Photos\BaseDynamicImageProvider.cs" />
<Compile Include="Photos\DynamicImageHelpers.cs" />
<Compile Include="Photos\StripCollageBuilder.cs" />
<Compile Include="Playlists\ManualPlaylistsFolder.cs" />
<Compile Include="Photos\PhotoAlbumImageProvider.cs" />
<Compile Include="Playlists\PlaylistImageProvider.cs" />
@ -428,6 +429,7 @@
<EmbeddedResource Include="Localization\Server\uk.json" />
<EmbeddedResource Include="Drawing\fonts\webdings.ttf" />
<EmbeddedResource Include="Drawing\fonts\robotoregular.ttf" />
<EmbeddedResource Include="Drawing\fonts\MontserratLight.otf" />
<None Include="Localization\JavaScript\sl_SI.json" />
<EmbeddedResource Include="Localization\Server\sl_SI.json" />
<None Include="packages.config" />

2
MediaBrowser.Server.Implementations/Photos/DynamicImageHelpers.cs
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@ -107,7 +107,7 @@ namespace MediaBrowser.Server.Implementations.Photos
return Task.FromResult<Stream>(fileSystem.GetFileStream(files[0], FileMode.Open, FileAccess.Read, FileShare.Read));
}
private static Stream GetStream(MagickWand image, IApplicationPaths appPaths)
internal static Stream GetStream(MagickWand image, IApplicationPaths appPaths)
{
var tempFile = Path.Combine(appPaths.TempDirectory, Guid.NewGuid().ToString("N") + ".png");

20
MediaBrowser.Server.Implementations/Photos/DynamicImageProvider.cs
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@ -9,6 +9,7 @@ using MediaBrowser.Model.Entities;
using MoreLinq;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
@ -194,5 +195,24 @@ namespace MediaBrowser.Server.Implementations.Photos
{
return _collectionStripViewTypes.Contains(view.ViewType ?? string.Empty);
}
protected override Task<Stream> CreateImageAsync(IHasImages item, List<BaseItem> itemsWithImages, ImageType imageType, int imageIndex)
{
var view = (UserView)item;
if (imageType == ImageType.Primary && IsUsingCollectionStrip(view))
{
var stream = new StripCollageBuilder(ApplicationPaths).BuildThumbCollage(GetStripCollageImagePaths(itemsWithImages), item.Name, 960, 540);
return Task.FromResult(stream);
}
return base.CreateImageAsync(item, itemsWithImages, imageType, imageIndex);
}
private IEnumerable<String> GetStripCollageImagePaths(IEnumerable<BaseItem> items)
{
return items
.Select(i => i.GetImagePath(ImageType.Primary) ?? i.GetImagePath(ImageType.Thumb))
.Where(i => !string.IsNullOrWhiteSpace(i));
}
}
}

114
MediaBrowser.Server.Implementations/Photos/StripCollageBuilder.cs Normal file
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@ -0,0 +1,114 @@
using ImageMagickSharp;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Server.Implementations.Drawing;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
namespace MediaBrowser.Server.Implementations.Photos
{
public class StripCollageBuilder
{
private readonly IApplicationPaths _appPaths;
public StripCollageBuilder(IApplicationPaths appPaths)
{
_appPaths = appPaths;
}
public Stream BuildThumbCollage(IEnumerable<string> paths, string text, int width, int height)
{
using (var wand = BuildThumbCollageWand(paths, text, width, height))
{
return DynamicImageHelpers.GetStream(wand, _appPaths);
}
}
private IEnumerable<string> ProjectPaths(IEnumerable<string> paths, int count)
{
var clone = paths.ToList();
var list = new List<string>();
while (list.Count < count)
{
list.AddRange(clone);
}
return list.Take(count);
}
private MagickWand BuildThumbCollageWand(IEnumerable<string> paths, string text, int width, int height)
{
using (var wandImages = new MagickWand(ProjectPaths(paths, 8).ToArray()))
{
var wand = new MagickWand(width, height);
wand.OpenImage("gradient:#111111-#252525");
using (var draw = new DrawingWand())
{
using (var fcolor = new PixelWand(ColorName.White))
{
draw.FillColor = fcolor;
draw.Font = MontserratLightFont;
draw.FontSize = 50;
draw.FontWeight = FontWeightType.LightStyle;
draw.TextAntialias = true;
}
var fontMetrics = wand.QueryFontMetrics(draw, text);
var textContainerY = Convert.ToInt32(height * .165);
wand.CurrentImage.AnnotateImage(draw, (width - fontMetrics.TextWidth) / 2, textContainerY, 0.0, text);
var iSlice = Convert.ToInt32(width * .1166666667);
int iTrans = Convert.ToInt32(height * 0.2);
int iHeight = Convert.ToInt32(height * 0.46296296296296296296296296296296);
var horizontalImagePadding = Convert.ToInt32(width * 0.0125);
foreach (var element in wandImages.ImageList)
{
int iWidth = (int)Math.Abs(iHeight * element.Width / element.Height);
element.Gravity = GravityType.CenterGravity;
element.BackgroundColor = new PixelWand("none", 1);
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())
{
mwr.CurrentImage.ResizeImage(wandList.CurrentImage.Width, (wandList.CurrentImage.Height / 2), FilterTypes.LanczosFilter, 1);
mwr.CurrentImage.FlipImage();
mwr.CurrentImage.AlphaChannel = AlphaChannelType.DeactivateAlphaChannel;
mwr.CurrentImage.ColorizeImage(ColorName.Black, ColorName.Grey56);
using (var mwg = new MagickWand(wandList.CurrentImage.Width, iTrans))
{
mwg.OpenImage("gradient:black-none");
var verticalSpacing = Convert.ToInt32(height * 0.00555555555555555555555555555556);
mwr.CurrentImage.CompositeImage(mwg, CompositeOperator.DstInCompositeOp, 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 * 0.26851851851851851851851851851852));
}
}
}
}
return wand;
}
}
private string MontserratLightFont
{
get { return PlayedIndicatorDrawer.ExtractFont("MontserratLight.otf", _appPaths); }
}
}
}