Changeset 14 for Common/DpiScaling.cs

Timestamp:

Aug 2, 2022, 11:46:25 AM (22 months ago)

Author:

chronos

Message:

• Modified: Various improvements.

File:

• Common/DpiScaling.cs (modified) (6 diffs)

Common/DpiScaling.cs

@@ -1 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows.Forms;
 using System.Drawing;
 using System.ComponentModel;
+using Microsoft.Win32;
 
 namespace Common
@@ -12 +8 @@
     class DpiScaling
     {
-        public static float systemDpi = 0;
-        public static bool useCustomDpi = false;
-        public static float customDpi = 96;
-        private static bool changed = false;        
+        public static float SystemDpi;
+        public static bool UseCustomDpi;
+        public static float CustomDpi = 96;
+        private static bool _changed;        
 
         public static void ApplyToComponent(Component component)
@@ -29 +25 @@
             {
                 //(component as ToolStrip).AutoSize = false;
-                Size newSize = new Size((int)((component as ToolStrip).ImageScalingSize.Width * customDpi / 96F),
-                    (int)((component as ToolStrip).ImageScalingSize.Height * customDpi / 96F));
+                Size newSize = new Size((int)((component as ToolStrip).ImageScalingSize.Width * CustomDpi / 96F),
+                    (int)((component as ToolStrip).ImageScalingSize.Height * CustomDpi / 96F));
 /*                foreach (ToolStripItem item in (component as ToolStrip).Items)
                 {
@@ -58 +54 @@
             if (component is MenuStrip)
             {
-                (component as MenuStrip).Font = new System.Drawing.Font((component as MenuStrip).Font.FontFamily, 8.25F * customDpi / 96F,
-                  (component as MenuStrip).Font.Style, System.Drawing.GraphicsUnit.Point, (component as MenuStrip).Font.GdiCharSet);
+                (component as MenuStrip).Font = new Font((component as MenuStrip).Font.FontFamily, 8.25F * CustomDpi / 96F,
+                  (component as MenuStrip).Font.Style, GraphicsUnit.Point, (component as MenuStrip).Font.GdiCharSet);
             }
             if (component is TabControl)
@@ -70 +66 @@
             if (component is ToolStripItem)
             {
-                (component as ToolStripItem).Font = new System.Drawing.Font((component as ToolStripItem).Font.FontFamily, 8.25F * customDpi / 96F,
-                  (component as ToolStripItem).Font.Style, System.Drawing.GraphicsUnit.Point, (component as ToolStripItem).Font.GdiCharSet);
+                (component as ToolStripItem).Font = new Font((component as ToolStripItem).Font.FontFamily, 8.25F * CustomDpi / 96F,
+                  (component as ToolStripItem).Font.Style, GraphicsUnit.Point, (component as ToolStripItem).Font.GdiCharSet);
             }
         }
@@ -77 +73 @@
         public static void Apply(Form form)
         {
-            if (useCustomDpi) changed = true;
-            if (systemDpi == 0)
+            if (UseCustomDpi) _changed = true;
+            if (SystemDpi == 0)
             {
                 Graphics graphics = form.CreateGraphics();
-                systemDpi = graphics.DpiX;
+                SystemDpi = graphics.DpiX;
             }
-            if (useCustomDpi || changed)
+            if (UseCustomDpi || _changed)
             {
-                form.Font = new System.Drawing.Font(form.Font.FontFamily, 8.25F * customDpi / 96F,
-                    form.Font.Style, System.Drawing.GraphicsUnit.Point, form.Font.GdiCharSet);
+                form.Font = new Font(form.Font.FontFamily, 8.25F * CustomDpi / 96F,
+                    form.Font.Style, GraphicsUnit.Point, form.Font.GdiCharSet);
                 ApplyToComponent(form);
             }            
         }
 
-        public static float Scale(float size)
+        public static float Scale(float size, float baseDpi = 96F)
         {
-            if (useCustomDpi) size = size * customDpi / 96F;
+            if (UseCustomDpi)
+            {
+                size = size * CustomDpi / baseDpi;
+            }
+            else
+            {
+                size = size * SystemDpi / baseDpi;
+            }
+
             return size;
+        }
+
+        public static void LoadFromRegistry(string regSubKey = "")
+        {
+            if (Application.UserAppDataRegistry == null) return;
+            RegistryKey regKey = Application.UserAppDataRegistry.OpenSubKey(regSubKey);
+            if (regKey == null) return;
+
+            CustomDpi = regKey.GetValueInt("CustomDpiEnabled", (int)CustomDpi);
+            UseCustomDpi = regKey.GetValueBool("StackTrace", UseCustomDpi);
+        }
+
+        public static void SaveToRegistry(string regSubKey = "")
+        {
+            if (Application.UserAppDataRegistry == null) return;
+            RegistryKey regKey = Application.UserAppDataRegistry.OpenSubKey(regSubKey, true);
+            if (regKey == null) regKey = Application.UserAppDataRegistry.CreateSubKey(regSubKey);
+
+            regKey.SetValueInt("CustomDpiEnabled", (int)CustomDpi);
+            regKey.SetValueBool("StackTrace", UseCustomDpi);
         }
     }