Pdf Import Rewrite

Pdf Import rewritten to greatly improve QR Code detection, reduce reliance on iTextSharp and improve thumbnails. Fixes #50
2016-08-26 09:46:35 +10:00
parent 44f6d325db
commit 5ea9a814d6
98 changed files with 3168 additions and 3202 deletions
@@ -0,0 +1,132 @@
+using Disco.Data.Repository;
+using Disco.Models.Repository;
+using Disco.Services.Expressions.Extensions.ImageResultImplementations;
+using System;
+using System.Collections;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+
+namespace Disco.Services.Expressions.Extensions
+{
+    public static class ImageExt
+    {
+        public static FileImageExpressionResult ImageFromFile(string AbsoluteFilePath)
+        {
+            return new FileImageExpressionResult(AbsoluteFilePath);
+        }
+        public static FileImageExpressionResult ImageFromDataStoreFile(string RelativeFilePath)
+        {
+            var configCache = new Disco.Data.Configuration.SystemConfiguration(null);
+            string DataStoreLocation = configCache.DataStoreLocation;
+            string AbsoluteFilePath = System.IO.Path.Combine(DataStoreLocation, RelativeFilePath);
+            return new FileImageExpressionResult(AbsoluteFilePath);
+        }
+        public static FileImageExpressionResult JobAttachmentFirstImage(Job Job, DiscoDataContext Database)
+        {
+            var attachment = Job.JobAttachments.FirstOrDefault(ja => ja.MimeType.StartsWith("image/", StringComparison.OrdinalIgnoreCase));
+            if (attachment != null)
+            {
+                var filename = attachment.RepositoryFilename(Database);
+                return new FileImageExpressionResult(filename);
+            }
+            else
+                return null;
+        }
+        public static FileImageExpressionResult JobAttachmentLastImage(Job Job, DiscoDataContext Database)
+        {
+            var attachment = Job.JobAttachments.LastOrDefault(ja => ja.MimeType.StartsWith("image/", StringComparison.OrdinalIgnoreCase));
+            if (attachment != null)
+            {
+                var filename = attachment.RepositoryFilename(Database);
+                return new FileImageExpressionResult(filename);
+            }
+            else
+                return null;
+        }
+        public static FileImageExpressionResult JobAttachmentImage(JobAttachment JobAttachment, DiscoDataContext Database)
+        {
+            if (JobAttachment == null)
+                throw new ArgumentNullException("JobAttachment");
+            if (!JobAttachment.MimeType.StartsWith("image/", StringComparison.OrdinalIgnoreCase))
+                throw new ArgumentException("Invalid Image MimeType for Attachment");
+
+            var filename = JobAttachment.RepositoryFilename(Database);
+            return new FileImageExpressionResult(filename);
+        }
+        public static FileMontageImageExpressionResult JobAttachmentImageMontage(Job Job, DiscoDataContext Database)
+        {
+            if (Job == null)
+                throw new ArgumentNullException("Job");
+            if (Job.JobAttachments == null)
+                throw new ArgumentException("Job.JobAttachments is null", "Job");
+
+            var attachments = Job.JobAttachments.Where(a => a.MimeType.StartsWith("image/", StringComparison.OrdinalIgnoreCase)).ToList();
+
+            if (attachments.Count > 0)
+            {
+                var attachmentFilepaths = attachments.Select(a => a.RepositoryFilename(Database)).ToList();
+
+                return new FileMontageImageExpressionResult(attachmentFilepaths);
+            }
+            else
+                return null;
+        }
+        public static FileMontageImageExpressionResult JobAttachmentsImageMontage(ArrayList JobAttachments, DiscoDataContext Database)
+        {
+            if (JobAttachments == null)
+                throw new ArgumentNullException("JobAttachments");
+
+            var attachments = JobAttachments.Cast<JobAttachment>().Where(a => a.MimeType.StartsWith("image/", StringComparison.OrdinalIgnoreCase)).ToList();
+
+            if (attachments.Count > 0)
+            {
+                var attachmentFilepaths = attachments.Select(a => a.RepositoryFilename(Database)).ToList();
+
+                return new FileMontageImageExpressionResult(attachmentFilepaths);
+            }
+            else
+                return null;
+        }
+
+        public static BitmapImageExpressionResult ImageFromStream(Stream ImageStream)
+        {
+            if (ImageStream == null)
+                throw new ArgumentNullException("ImageStream");
+
+            return new BitmapImageExpressionResult(Bitmap.FromStream(ImageStream));
+        }
+        public static BitmapImageExpressionResult ImageFromByteArray(byte[] ImageByteArray)
+        {
+            if (ImageByteArray == null)
+                throw new ArgumentNullException("ImageByteArray");
+
+            return new BitmapImageExpressionResult(Bitmap.FromStream(new MemoryStream(ImageByteArray)));
+        }
+        public static BitmapImageExpressionResult DeviceModelImage(DeviceModel DeviceModel)
+        {
+            if (DeviceModel == null)
+                throw new ArgumentNullException("DeviceModel");
+
+            using (Stream deviceModelImage = DeviceModel.Image())
+            {
+                if (deviceModelImage == null)
+                    return null;
+                else
+                    return ImageFromStream(deviceModelImage);
+            }
+        }
+        public static BitmapImageExpressionResult OrganisationLogo()
+        {
+            var configCache = new Disco.Data.Configuration.SystemConfiguration(null);
+            BitmapImageExpressionResult result;
+            using (var orgLogo = configCache.OrganisationLogo)
+            {
+                result = ImageFromStream(orgLogo);
+            }
+            result.LosslessFormat = true;
+            return result;
+        }
+
+    }
+}