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https://github.com/jellyfin/jellyfin.git
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246 lines
11 KiB
C#
246 lines
11 KiB
C#
using SkiaSharp;
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using MediaBrowser.Common.Configuration;
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using System;
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using System.IO;
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using System.Collections.Generic;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Controller.IO;
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using MediaBrowser.Model.IO;
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namespace Emby.Drawing.Skia
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{
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public class StripCollageBuilder
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{
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private readonly IApplicationPaths _appPaths;
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private readonly IFileSystem _fileSystem;
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public StripCollageBuilder(IApplicationPaths appPaths, IFileSystem fileSystem)
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{
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_appPaths = appPaths;
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_fileSystem = fileSystem;
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}
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private SKEncodedImageFormat GetEncodedFormat(string outputPath)
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{
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var ext = Path.GetExtension(outputPath).ToLower();
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if (ext == ".jpg" || ext == ".jpeg")
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return SKEncodedImageFormat.Jpeg;
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if (ext == ".webp")
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return SKEncodedImageFormat.Webp;
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if (ext == ".gif")
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return SKEncodedImageFormat.Gif;
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if (ext == ".bmp")
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return SKEncodedImageFormat.Bmp;
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// default to png
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return SKEncodedImageFormat.Png;
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}
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public void BuildPosterCollage(string[] paths, string outputPath, int width, int height)
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{
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using (var bitmap = BuildPosterCollageBitmap(paths, width, height))
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{
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using (var outputStream = new SKFileWStream(outputPath))
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{
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bitmap.Encode(outputStream, GetEncodedFormat(outputPath), 90);
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}
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}
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}
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public void BuildSquareCollage(string[] paths, string outputPath, int width, int height)
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{
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using (var bitmap = BuildSquareCollageBitmap(paths, width, height))
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{
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using (var outputStream = new SKFileWStream(outputPath))
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{
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bitmap.Encode(outputStream, GetEncodedFormat(outputPath), 90);
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}
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}
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}
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public void BuildThumbCollage(string[] paths, string outputPath, int width, int height)
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{
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using (var bitmap = BuildThumbCollageBitmap(paths, width, height))
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{
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using (var outputStream = new SKFileWStream(outputPath))
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{
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bitmap.Encode(outputStream, GetEncodedFormat(outputPath), 90);
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}
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}
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}
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private SKBitmap BuildPosterCollageBitmap(string[] paths, int width, int height)
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{
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return null;
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/* var inputPaths = ImageHelpers.ProjectPaths(paths, 3);
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using (var wandImages = new MagickWand(inputPaths.ToArray()))
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{
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var wand = new MagickWand(width, height);
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wand.OpenImage("gradient:#111111-#111111");
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using (var draw = new DrawingWand())
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{
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var iSlice = Convert.ToInt32(width * 0.3);
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int iTrans = Convert.ToInt32(height * .25);
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int iHeight = Convert.ToInt32(height * .65);
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var horizontalImagePadding = Convert.ToInt32(width * 0.0366);
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foreach (var element in wandImages.ImageList)
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{
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using (var blackPixelWand = new PixelWand(ColorName.Black))
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{
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int iWidth = (int)Math.Abs(iHeight * element.Width / element.Height);
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element.Gravity = GravityType.CenterGravity;
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element.BackgroundColor = blackPixelWand;
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element.ResizeImage(iWidth, iHeight, FilterTypes.LanczosFilter);
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int ix = (int)Math.Abs((iWidth - iSlice) / 2);
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element.CropImage(iSlice, iHeight, ix, 0);
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element.ExtentImage(iSlice, iHeight, 0 - horizontalImagePadding, 0);
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}
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}
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wandImages.SetFirstIterator();
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using (var wandList = wandImages.AppendImages())
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{
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wandList.CurrentImage.TrimImage(1);
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using (var mwr = wandList.CloneMagickWand())
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{
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using (var blackPixelWand = new PixelWand(ColorName.Black))
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{
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using (var greyPixelWand = new PixelWand(ColorName.Grey70))
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{
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mwr.CurrentImage.ResizeImage(wandList.CurrentImage.Width, (wandList.CurrentImage.Height / 2), FilterTypes.LanczosFilter, 1);
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mwr.CurrentImage.FlipImage();
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mwr.CurrentImage.AlphaChannel = AlphaChannelType.DeactivateAlphaChannel;
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mwr.CurrentImage.ColorizeImage(blackPixelWand, greyPixelWand);
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using (var mwg = new MagickWand(wandList.CurrentImage.Width, iTrans))
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{
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mwg.OpenImage("gradient:black-none");
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var verticalSpacing = Convert.ToInt32(height * 0.01111111111111111111111111111111);
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mwr.CurrentImage.CompositeImage(mwg, CompositeOperator.CopyOpacityCompositeOp, 0, verticalSpacing);
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wandList.AddImage(mwr);
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int ex = (int)(wand.CurrentImage.Width - mwg.CurrentImage.Width) / 2;
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wand.CurrentImage.CompositeImage(wandList.AppendImages(true), CompositeOperator.AtopCompositeOp, ex, Convert.ToInt32(height * .05));
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}
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}
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}
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}
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}
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}
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return wand;
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}*/
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}
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private SKBitmap BuildThumbCollageBitmap(string[] paths, int width, int height)
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{
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return null;
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/*var inputPaths = ImageHelpers.ProjectPaths(paths, 4);
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using (var wandImages = new MagickWand(inputPaths.ToArray()))
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{
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var wand = new MagickWand(width, height);
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wand.OpenImage("gradient:#111111-#111111");
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using (var draw = new DrawingWand())
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{
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var iSlice = Convert.ToInt32(width * 0.24125);
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int iTrans = Convert.ToInt32(height * .25);
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int iHeight = Convert.ToInt32(height * .70);
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var horizontalImagePadding = Convert.ToInt32(width * 0.0125);
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foreach (var element in wandImages.ImageList)
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{
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using (var blackPixelWand = new PixelWand(ColorName.Black))
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{
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int iWidth = (int)Math.Abs(iHeight * element.Width / element.Height);
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element.Gravity = GravityType.CenterGravity;
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element.BackgroundColor = blackPixelWand;
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element.ResizeImage(iWidth, iHeight, FilterTypes.LanczosFilter);
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int ix = (int)Math.Abs((iWidth - iSlice) / 2);
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element.CropImage(iSlice, iHeight, ix, 0);
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element.ExtentImage(iSlice, iHeight, 0 - horizontalImagePadding, 0);
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}
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}
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wandImages.SetFirstIterator();
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using (var wandList = wandImages.AppendImages())
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{
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wandList.CurrentImage.TrimImage(1);
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using (var mwr = wandList.CloneMagickWand())
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{
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using (var blackPixelWand = new PixelWand(ColorName.Black))
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{
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using (var greyPixelWand = new PixelWand(ColorName.Grey70))
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{
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mwr.CurrentImage.ResizeImage(wandList.CurrentImage.Width, (wandList.CurrentImage.Height / 2), FilterTypes.LanczosFilter, 1);
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mwr.CurrentImage.FlipImage();
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mwr.CurrentImage.AlphaChannel = AlphaChannelType.DeactivateAlphaChannel;
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mwr.CurrentImage.ColorizeImage(blackPixelWand, greyPixelWand);
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using (var mwg = new MagickWand(wandList.CurrentImage.Width, iTrans))
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{
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mwg.OpenImage("gradient:black-none");
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var verticalSpacing = Convert.ToInt32(height * 0.01111111111111111111111111111111);
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mwr.CurrentImage.CompositeImage(mwg, CompositeOperator.CopyOpacityCompositeOp, 0, verticalSpacing);
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wandList.AddImage(mwr);
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int ex = (int)(wand.CurrentImage.Width - mwg.CurrentImage.Width) / 2;
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wand.CurrentImage.CompositeImage(wandList.AppendImages(true), CompositeOperator.AtopCompositeOp, ex, Convert.ToInt32(height * .045));
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}
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}
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}
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}
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}
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}
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return wand;
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}*/
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}
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private SKBitmap BuildSquareCollageBitmap(string[] paths, int width, int height)
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{
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var bitmap = new SKBitmap(width, height);
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var imageIndex = 0;
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var cellWidth = width / 2;
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var cellHeight = height / 2;
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using (var canvas = new SKCanvas(bitmap))
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{
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for (var x = 0; x < 2; x++)
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{
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for (var y = 0; y < 2; y++)
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{
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using (var currentBitmap = SKBitmap.Decode(paths[imageIndex]))
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{
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using (var resizedBitmap = new SKBitmap(cellWidth, cellHeight, currentBitmap.ColorType, currentBitmap.AlphaType))
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{
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// scale image
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currentBitmap.Resize(resizedBitmap, SKBitmapResizeMethod.Lanczos3);
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// draw this image into the strip at the next position
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var xPos = x * cellWidth;
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var yPos = y * cellHeight;
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canvas.DrawBitmap(resizedBitmap, xPos, yPos);
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}
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}
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imageIndex++;
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if (imageIndex >= paths.Length)
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imageIndex = 0;
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}
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}
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}
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return bitmap;
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}
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}
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}
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