From 7ce8a227853b9d59ce568460b469645d2b350924 Mon Sep 17 00:00:00 2001
From: "Serg V. Zhdanovskih (Norseman)" <serg.zhdanovskih@yandex.ru>
Date: Thu, 7 Sep 2023 10:43:43 +0300
Subject: [PATCH] Experiments (#469, #495)

---
 .../GKUI/Components/TreeChartBox.cs           |  8 +++--
 .../GKUI/Components/ScrollablePanel.cs        |  2 ++
 .../GKUI/Platform/EtoGfxProvider.cs           | 13 +-------
 .../GKUI/Platform/ImageProcess.cs             | 30 ++++++++++++++++++-
 4 files changed, 37 insertions(+), 16 deletions(-)

diff --git a/projects/GKv3/GEDKeeper3/GKUI/Components/TreeChartBox.cs b/projects/GKv3/GEDKeeper3/GKUI/Components/TreeChartBox.cs
index 9353e51be..6fc5384f1 100644
--- a/projects/GKv3/GEDKeeper3/GKUI/Components/TreeChartBox.cs
+++ b/projects/GKv3/GEDKeeper3/GKUI/Components/TreeChartBox.cs
@@ -572,13 +572,15 @@ protected override void OnMouseDoubleClick(MouseEventArgs e)
 
         protected override void OnMouseWheel(MouseEventArgs e)
         {
+            //Console.WriteLine("TreeChartBox.OnMouseWheel()");
+
             if (e.Modifiers == Keys.Control) {
                 float newScale = (e.Delta.Height > 0) ? fModel.Scale + 0.05f : fModel.Scale - 0.05f;
+                //Console.WriteLine(string.Format("{0} - {1} - {2}", e.Delta.Height, fModel.Scale, newScale));
                 SetScale(newScale);
-            }
 
-            e.Handled = true;
-            base.OnMouseWheel(e);
+                e.Handled = true;
+            } else base.OnMouseWheel(e);
         }
 
         private MouseAction GetMouseAction(MouseEventArgs e, MouseEvent mouseEvent, out TreeChartPerson person)
diff --git a/projects/GKv3/GKComponents/GKUI/Components/ScrollablePanel.cs b/projects/GKv3/GKComponents/GKUI/Components/ScrollablePanel.cs
index 42fd8638a..cce98454a 100644
--- a/projects/GKv3/GKComponents/GKUI/Components/ScrollablePanel.cs
+++ b/projects/GKv3/GKComponents/GKUI/Components/ScrollablePanel.cs
@@ -244,6 +244,8 @@ protected override void OnMouseDown(MouseEventArgs e)
 
         protected override void OnMouseWheel(MouseEventArgs e)
         {
+            //Console.WriteLine("ScrollablePanel.OnMouseWheel()");
+
             int delta = -(int)(e.Delta.Height * 120.0f);
 
             if (Keys.None == e.Modifiers) {
diff --git a/projects/GKv3/GKComponents/GKUI/Platform/EtoGfxProvider.cs b/projects/GKv3/GKComponents/GKUI/Platform/EtoGfxProvider.cs
index 589aba210..4c1f7fcb6 100644
--- a/projects/GKv3/GKComponents/GKUI/Platform/EtoGfxProvider.cs
+++ b/projects/GKv3/GKComponents/GKUI/Platform/EtoGfxProvider.cs
@@ -23,7 +23,6 @@
 using BSLib;
 using Eto.Drawing;
 using Eto.Forms;
-using ExifLibrary;
 using GKCore;
 using GKCore.Design.Graphics;
 using GKUI.Components;
@@ -42,17 +41,7 @@ public EtoGfxProvider()
 
         public Stream CheckOrientation(Stream inputStream)
         {
-            Stream transformStream;
-
-            var file = ImageFile.FromStream(inputStream);
-            var orientProp = file.Properties.Get<ExifEnumProperty<ExifLibrary.Orientation>>(ExifTag.Orientation);
-            if (orientProp != null && orientProp.Value != ExifLibrary.Orientation.Normal) {
-                inputStream.Seek(0, SeekOrigin.Begin);
-                transformStream = ImageProcess.AutoOrient(inputStream);
-            } else {
-                transformStream = inputStream;
-            }
-
+            Stream transformStream = ImageProcess.IsNeedOrient(inputStream) ? ImageProcess.AutoOrient(inputStream) : inputStream;
             transformStream.Seek(0, SeekOrigin.Begin);
             return transformStream;
         }
diff --git a/projects/GKv3/GKComponents/GKUI/Platform/ImageProcess.cs b/projects/GKv3/GKComponents/GKUI/Platform/ImageProcess.cs
index aa04e0bb6..efb2c8b06 100644
--- a/projects/GKv3/GKComponents/GKUI/Platform/ImageProcess.cs
+++ b/projects/GKv3/GKComponents/GKUI/Platform/ImageProcess.cs
@@ -19,6 +19,7 @@
  */
 
 using System.IO;
+using ExifLibrary;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.Formats.Bmp;
 using SixLabors.ImageSharp.PixelFormats;
@@ -28,11 +29,38 @@ namespace GKUI.Platform
 {
     public static class ImageProcess
     {
+        public static bool IsNeedOrient(Stream inputStream)
+        {
+            try {
+                try {
+                    var file = ImageFile.FromStream(inputStream);
+                    var orientProp = file.Properties.Get<ExifEnumProperty<Orientation>>(ExifTag.Orientation);
+                    return (orientProp != null && orientProp.Value != Orientation.Normal);
+                } finally {
+                    inputStream.Seek(0, SeekOrigin.Begin);
+                }
+            } catch {
+                return false;
+            }
+        }
+
         public static Stream AutoOrient(Stream inputStream)
         {
             var outputStream = new MemoryStream();
             using (var image = Image.Load<Bgr565>(inputStream)) {
-                image.Mutate(x => x.AutoOrient());
+                /*var scrSize = Screen.PrimaryScreen.Bounds.Size;
+                var resizeRatio = GfxHelper.ZoomToFit(image.Width, image.Height, scrSize.Width, scrSize.Height);
+                int targetWidth = (int)Math.Round(image.Width * resizeRatio);
+                int targetHeight = (int)Math.Round(image.Height * resizeRatio);*/
+
+                /*var targetDPI = Screen.PrimaryScreen.DPI;
+                double currentDPI = image.Metadata.HorizontalResolution;
+                double resizeRatio = targetDPI / currentDPI;
+                if (resizeRatio < 0.1) { resizeRatio *= 10.0f; }
+                int targetWidth = (int)Math.Round(image.Width * resizeRatio);
+                int targetHeight = (int)Math.Round(image.Height * resizeRatio);*/
+
+                image.Mutate(x => x./*Resize(targetWidth, targetHeight).*/AutoOrient());
                 var encoder = new BmpEncoder() { BitsPerPixel = BmpBitsPerPixel.Pixel16 };
                 image.SaveAsBmp(outputStream, encoder);
             }