Init

2026-02-02 21:56:45 +08:00
commit 320550399d
24 changed files with 4551 additions and 0 deletions
--- a/MainForm/NewProgressPanel.cs
+++ b/MainForm/NewProgressPanel.cs
@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Forms;
+using System.Threading.Tasks;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Diagnostics;
+using System.IO;
+
+namespace ImageCompressor
+{
+    /// <summary>
+    /// ProgressBar类有点问题，重写一个简单的ProgressBar。
+    /// </summary>
+    internal class NewProgressPanel:Panel
+    {
+        public Font TextFont;
+        public Brush TextForeColor;
+        public NewProgressPanel(Font textFont,Color textForeColor)
+        {
+            this.TextFont = textFont;
+            this.TextForeColor = new SolidBrush(textForeColor);
+            SetStyle(ControlStyles.ResizeRedraw, true);
+            this.foreBrush = new SolidBrush(Color.Gray);
+        }
+        /// <summary>
+        /// 克隆原来的Panel以实现设计的参数传递。
+        /// </summary>
+        /// <param name="raw"></param>
+        public void Clone(Panel raw)
+        {
+            this.Size = raw.Size;
+            this.Bounds = raw.Bounds;
+            this.Anchor = raw.Anchor;
+            this.BorderStyle = raw.BorderStyle;
+            this.Name = raw.Name;
+            this.TabIndex = raw.TabIndex;
+            this.BackColor= raw.BackColor;
+            this.ForeColor = raw.ForeColor;
+        }
+        public double ProgressValue { get; set; }
+
+        Brush foreBrush;
+
+        /// <summary>
+        /// 绘制背景，快但是不能耗时太久，会闪
+        /// </summary>
+        /// <param name="e"></param>
+        protected override void OnPaintBackground(PaintEventArgs e)
+        {
+            e.Graphics.Clear(this.BackColor);
+            e.Graphics.FillRectangle(foreBrush, 0, 0, (int)((double)e.ClipRectangle.Width * ProgressValue), e.ClipRectangle.Height);
+        }
+
+        /// <summary>
+        /// 绘制耗时较多的部分
+        /// </summary>
+        /// <param name="e"></param>
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            base.OnPaint(e);//控件必须通过重写它从 Control 继承的 OnPaint 方法来提供呈现逻辑。
+            
+
+            //测量string应该较为耗时，放在此处绘制
+            SizeF size = e.Graphics.MeasureString(Text, TextFont);
+            if (!string.IsNullOrEmpty(Text))
+                e.Graphics.DrawString(Text, TextFont, TextForeColor, Width / 2 - size.Width / 2, Height - size.Height - 2);
+        }
+    }
+}