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using ImageMagickSharp;
using MediaBrowser.Common.Configuration;
using System;
using System.Collections.Generic;
using MediaBrowser.Controller.IO;
using MediaBrowser.Model.IO;
namespace Emby.Drawing.ImageMagick
{
public class StripCollageBuilder
{
private readonly IApplicationPaths _appPaths;
private readonly IFileSystem _fileSystem;
public StripCollageBuilder(IApplicationPaths appPaths, IFileSystem fileSystem)
{
_appPaths = appPaths;
_fileSystem = fileSystem;
}
public void BuildPosterCollage(string[] paths, string outputPath, int width, int height)
{
using (var wand = BuildPosterCollageWand(paths, width, height))
{
wand.SaveImage(outputPath);
}
}
public void BuildSquareCollage(string[] paths, string outputPath, int width, int height)
{
using (var wand = BuildSquareCollageWand(paths, width, height))
{
wand.SaveImage(outputPath);
}
}
public void BuildThumbCollage(string[] paths, string outputPath, int width, int height)
{
using (var wand = BuildThumbCollageWand(paths, width, height))
{
wand.SaveImage(outputPath);
}
}
private MagickWand BuildPosterCollageWand(string[] paths, int width, int height)
{
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);
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));
}
}
}
}
}
}
return wand;
}
}
private MagickWand BuildThumbCollageWand(string[] paths, int width, int height)
{
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())
{
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 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);
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));
}
}
}
}
}
}
return wand;
}
}
private MagickWand BuildSquareCollageWand(string[] paths, int width, int height)
{
var inputPaths = ImageHelpers.ProjectPaths(paths, 4);
var outputWand = new MagickWand(width, height, new PixelWand("none", 1));
var imageIndex = 0;
var cellWidth = width/2;
var cellHeight = height/2;
for (var x = 0; x < 2; x++)
{
for (var y = 0; y < 2; y++)
{
using (var temp = new MagickWand(inputPaths[imageIndex]))
{
temp.CurrentImage.ScaleImage(cellWidth, cellHeight);
// draw this image into the strip at the next position
var xPos = x*cellWidth;
var yPos = y*cellHeight;
outputWand.CurrentImage.CompositeImage(temp, CompositeOperator.OverCompositeOp, xPos, yPos);
}
imageIndex++;
}
}
return outputWand;
}
}
}
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