Merge pull request #1263 from stevencohn/1258-stylize-images

Stylize Images command

OneMore/AddInCommands.cs

@@ -847,6 +847,11 @@ public async Task StrikeoutTasksCmd(IRibbonControl control)
 			=> await factory.Run<StrikeoutTasksCommand>();
 
 
+		[Command("ribStylizeImagesButton_Label", Keys.None, "ribImagesMenu")]
+		public async Task StylizeImagesCmd(IRibbonControl control)
+			=> await factory.Run<StylizeImagesCommand>();
+
+
 		[Command("ribTaggedButton_Label", Keys.Control | Keys.Alt | Keys.T, "ribSearchMenu")]
 		public async Task TaggedCmd(IRibbonControl control)
 			=> await factory.Run<TaggedCommand>();

OneMore/Commands/Images/ResizeImagesDialog.cs

@@ -303,20 +303,16 @@ public Image Adjust(Image image)
 				adjusted = p.SetSaturation((float)saturationBox.Value / 100f);
 			}
 
-			if (styleBox.SelectedIndex == 1)
+			if (styleBox.SelectedIndex > 0)
 			{
 				using var p = adjusted;
-				adjusted = p.ToGrayscale();
-			}
-			else if (styleBox.SelectedIndex == 2)
-			{
-				using var p = adjusted;
-				adjusted = p.ToSepia();
-			}
-			else if (styleBox.SelectedIndex == 3)
-			{
-				using var p = adjusted;
-				adjusted = p.ToPolaroid();
+				adjusted = styleBox.SelectedIndex switch
+				{
+					1 => p.ToGrayscale(),
+					2 => p.ToSepia(),
+					3 => p.ToPolaroid(),
+					_ => p.Inverted()
+				};
 			}
 
 			// opacity must be set last

OneMore/Commands/Images/StylizeImagesCommand.cs

@@ -0,0 +1,138 @@
+//************************************************************************************************
+// Copyright © 2023 Steven M Cohn. All rights reserved.
+//************************************************************************************************
+
+namespace River.OneMoreAddIn.Commands
+{
+	using System;
+	using System.Collections.Generic;
+	using System.Drawing;
+	using System.IO;
+	using System.Linq;
+	using System.Threading.Tasks;
+	using System.Windows.Forms;
+	using System.Xml.Linq;
+	using Resx = Properties.Resources;
+
+
+	/// <summary>
+	/// Resize and adjust images on the page
+	/// </summary>
+	internal class StylizeImagesCommand : Command
+	{
+		private XNamespace ns;
+
+		public StylizeImagesCommand()
+		{
+		}
+
+
+		public override async Task Execute(params object[] args)
+		{
+			using var one = new OneNote(out var page, out ns, OneNote.PageDetail.All);
+
+			var foreElements = page.Root
+				.Elements(ns + "Outline")
+				.Descendants(ns + "Image")
+				.ToList();
+
+			var backElements = page.Root
+				.Elements(ns + "Image")
+				.ToList();
+
+			if (!foreElements.Any() && !backElements.Any())
+			{
+				UIHelper.ShowMessage(Resx.StylizeImagesCommand_noImages);
+				return;
+			}
+
+			var foreSelected = foreElements
+				.Where(e => e.Attribute("selected")?.Value == "all")
+				.ToList();
+
+			var backSelected = backElements
+				.Where(e => e.Attribute("selected")?.Value == "all")
+				.ToList();
+
+			using var dialog = new StylizeImagesDialog(
+				foreElements.Count, foreSelected.Count,
+				backElements.Count, backSelected.Count);
+
+			var result = dialog.ShowDialog(owner);
+			if (result != DialogResult.OK)
+			{
+				return;
+			}
+
+			var updated = false;
+			if (foreSelected.Any() && dialog.ApplyForeground)
+			{
+				Stylize(foreSelected, dialog.Style);
+				updated = true;
+			}
+
+			if (backSelected.Any() && dialog.ApplyBackground)
+			{
+				Stylize(backSelected, dialog.Style);
+				updated = true;
+			}
+
+			if (!updated)
+			{
+				if (foreElements.Any() && dialog.ApplyForeground)
+				{
+					Stylize(foreElements, dialog.Style);
+					updated = true;
+				}
+
+				if (backElements.Any() && dialog.ApplyBackground)
+				{
+					Stylize(backElements, dialog.Style);
+					updated = true;
+				}
+			}
+
+			if (updated)
+			{
+				await one.Update(page);
+			}
+		}
+
+
+		private void Stylize(
+			IEnumerable<XElement> elements, StylizeImagesDialog.ImageStyle style)
+		{
+			foreach (var element in elements)
+			{
+				using var image = ReadImage(element);
+
+				var stylized = style switch
+				{
+					StylizeImagesDialog.ImageStyle.GrayScale => image.ToGrayscale(),
+					StylizeImagesDialog.ImageStyle.Sepia => image.ToSepia(),
+					StylizeImagesDialog.ImageStyle.Polaroid => image.ToPolaroid(),
+					_ => image.Inverted()
+				};
+
+				WriteImage(element, stylized);
+			}
+		}
+
+
+		private Image ReadImage(XElement image)
+		{
+			var data = Convert.FromBase64String(image.Element(ns + "Data").Value);
+			using var stream = new MemoryStream(data, 0, data.Length);
+			return Image.FromStream(stream);
+		}
+
+
+		private void WriteImage(XElement element, Image image)
+		{
+			var bytes = (byte[])new ImageConverter().ConvertTo(image, typeof(byte[]));
+
+			var data = element.Element(ns + "Data");
+			data.Value = Convert.ToBase64String(bytes);
+		}
+	}
+}