static int Split(string whichPdf, string outputPath)
{
var settings = new MagickReadSettings();
// Settings the density to 300 dpi will create an image with a better quality
settings.Density = new PointD(300, 300);
using (var images = new MagickImageCollection())
{
// Add all the pages of the pdf file to the collection
images.Read(whichPdf, settings);
int pageNumber = 0;
foreach (MagickImage image in images)
{
pageNumber++;
// Write page to file that contains the page number
image.Write(Path.Combine(outputPath, PageComparison.CreatePageFileName(pageNumber)));
// Write a thumbnail for the page
image.Resize(ThumbnailGeometry);
image.Write(Path.Combine(outputPath, PageComparison.CreateThumbnailFileName(pageNumber)));
}
return(pageNumber);
}
}
private static IEnumerable <PageComparison> Compare(int numPages, string rootPath, string referencePath, string toTestPath, string comparePath)
{
for (var currentPage = 1; currentPage <= numPages; currentPage++)
{
var currentComparison = new PageComparison()
{
PageNumber = currentPage,
RootPath = rootPath
};
using (var referenceImage = new MagickImage())
using (var testImage = new MagickImage())
using (var compareImage = new MagickImage())
{
var referenceImagePath = currentComparison.ReferencePagePath;
if (File.Exists(referenceImagePath))
{
referenceImage.Read(referenceImagePath);
}
var testImagePath = currentComparison.TestPagePath;
if (File.Exists(testImagePath))
{
testImage.Read(testImagePath);
}
InsertEmptyImageIfNecessary(referenceImage, testImage);
InsertEmptyImageIfNecessary(testImage, referenceImage);
EnsureImageIsColored(referenceImage);
EnsureImageIsColored(testImage);
var result = referenceImage.Compare(testImage, ErrorMetric.Absolute, compareImage, Channels.All);
compareImage.Write(currentComparison.ComparePagePath);
compareImage.Resize(ThumbnailGeometry);
compareImage.Write(currentComparison.ComparePageThumbnailPath);
currentComparison.ComparisonScore = result;
currentComparison.PixelCount = referenceImage.Height * referenceImage.Width;
}
yield return(currentComparison);
}
}
private static string ImageLink(string which, PageComparison page)
{
return($"[![{which}]({which}/Thumb{page.PageNumber:0000}.png \"{which}\")]({which}/Page{page.PageNumber:0000}.png)");
}