From 31a636e735a0addc56e4f4527f500b7aa0874eb5 Mon Sep 17 00:00:00 2001
From: chr <chr@mailcom>
Date: 星期五, 03 一月 2025 11:21:46 +0800
Subject: [PATCH] 改了一大堆；
---
CustomRictBox/CustomRichBox.xaml.cs | 192 +++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 181 insertions(+), 11 deletions(-)
diff --git a/CustomRictBox/CustomRichBox.xaml.cs b/CustomRictBox/CustomRichBox.xaml.cs
index ae3fec3..9592a35 100644
--- a/CustomRictBox/CustomRichBox.xaml.cs
+++ b/CustomRictBox/CustomRichBox.xaml.cs
@@ -1,6 +1,11 @@
锘縰sing Microsoft.Win32;
using System;
+using System.ComponentModel;
+using System.Diagnostics;
using System.IO;
+using System.Reflection;
+using System.Runtime.InteropServices.ComTypes;
+using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
@@ -8,6 +13,7 @@
using System.Windows.Markup;
using System.Windows.Media;
using System.Windows.Media.Imaging;
+using System.Windows.Media.Media3D;
namespace PdmSwPlugin.UI
{
@@ -279,22 +285,38 @@
if (DisableEdit) return;
try
{
- double picMaxWidth = DProperty.GetPicMaxWidth(this);
+ double pageWidth = richTextBox.Document.PageWidth; //DProperty.GetPicMaxWidth(this);
double width = img.PixelWidth;
- if (picMaxWidth > 0 && width > picMaxWidth)
+ if (double.IsNaN(pageWidth))
{
- width = picMaxWidth;
+ double actWidth = richTextBox.ExtentWidth;
+ if (width > actWidth)
+ {
+ width = pageWidth;
+ }
}
- /// 琛屽唴鎻掑叆鍥剧墖
- var insertImg = new Image() { Source = img, Stretch = Stretch.Uniform, Width = width };
- var imgContainer = new InlineUIContainer(insertImg);
+ else if (pageWidth > 0 && width > pageWidth)
+ {
+ width = pageWidth;
+ }
TextPointer pointer = richTextBox.CaretPosition;
- pointer.Paragraph.Inlines.Add(imgContainer);
- /// 涓嬮潰娉ㄩ噴鐨勮繖娈垫槸鐩存帴鎻掑叆鏂版钀界殑鍐欐硶
- //var imgContainer = new BlockUIContainer(insertImg);
- //this.richTextBox.CaretPosition.InsertParagraphBreak();
- //this.richTextBox.Document.Blocks.InsertAfter(this.richTextBox.CaretPosition.Paragraph, imgContainer);
+
+ var insertImg = new Image() { Source = img, Stretch = Stretch.Uniform, Width = width };
+ /// 琛屽唴鎻掑叆鍥剧墖
+ //var imgContainer = new InlineUIContainer(insertImg);
+ //pointer.Paragraph.Inlines.Add(imgContainer);
+
+ //string base64 = ImageToBase64(img);
+ //string imgXaml = $"<Image Source=\"data:image/jpg;base64,{base64}\" />";
+ //var imgContainer = new InlineUIContainer(imgXaml);
+ //pointer.Paragraph.Inlines.Add(imgXaml);
+
+ /// 鍥剧墖鍙﹁捣涓�琛�
+ var imgContainer = new InlineUIContainer(insertImg);
+ pointer.InsertParagraphBreak();
+ pointer.Paragraph.Inlines.Add(imgContainer);
+ // this.richTextBox.Document.Blocks.InsertAfter(this.richTextBox.CaretPosition.Paragraph, imgContainer);
}
catch (Exception e)
{
@@ -376,5 +398,153 @@
}
}
+
+
+
+ public void ToBase64Image2()
+ {
+ richTextBox.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
+ richTextBox.Arrange(new Rect(new Size(richTextBox.ActualWidth, richTextBox.ActualHeight)));
+
+ // Create a DrawingVisual and use a VisualBrush to render the RichTextBox
+ DrawingVisual visual = new DrawingVisual();
+ using (DrawingContext context = visual.RenderOpen())
+ {
+ VisualBrush brush = new VisualBrush(richTextBox);
+ context.DrawRectangle(brush, null, new Rect(new Size(richTextBox.ActualWidth, richTextBox.ActualHeight)));
+ }
+
+ // Render the DrawingVisual to a RenderTargetBitmap
+ RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap(
+ (int)richTextBox.ActualWidth,
+ (int)richTextBox.ActualHeight,
+ 96d, 96d, PixelFormats.Pbgra32);
+
+ renderTargetBitmap.Render(visual);
+
+ // Create a BitmapEncoder to encode the RenderTargetBitmap
+ PngBitmapEncoder pngEncoder = new PngBitmapEncoder();
+ pngEncoder.Frames.Add(BitmapFrame.Create(renderTargetBitmap));
+ using (FileStream stream = new FileStream("C:\\Workspace\\test.png", FileMode.OpenOrCreate))
+ {
+ // Save the encoded PNG image to a memory stream
+ pngEncoder.Save(stream);
+
+ stream.Flush();
+ stream.Close();
+ }
+
+ /* using (MemoryStream memoryStream = new MemoryStream())
+ {
+ // Save the encoded PNG image to a memory stream
+ pngEncoder.Save(memoryStream);
+ // Convert the memory stream to a byte array
+ byte[] imageBytes = memoryStream.ToArray();
+ // Convert the byte array to a Base64 string
+ return Convert.ToBase64String(imageBytes);
+ }*/
+ }
+
+ public string ToBase64Image()
+ {
+ //string sss = XamlWriter.Save(richTextBox.Document);
+ //Debug.Print(sss);
+ // Force a measure and arrange of the RichTextBox to ensure all content is rendered
+ //richTextBox.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
+ //richTextBox.Arrange(new Rect(new Size(richTextBox.ActualWidth, richTextBox.ActualHeight)));
+
+
+ //// Render the DrawingVisual to a RenderTargetBitmap
+ //RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap(
+ // (int)richTextBox.ActualWidth,
+ // (int)richTextBox.ActualHeight,
+ // 96d, 96d, PixelFormats.Pbgra32);
+
+ //FlowDocumentReader reader = new FlowDocumentReader
+ //{
+ // Document = richTextBox.Document
+ //};
+
+ //renderTargetBitmap.Render(reader);
+
+ //// Create a BitmapEncoder to encode the RenderTargetBitmap
+ //PngBitmapEncoder pngEncoder = new PngBitmapEncoder();
+ //pngEncoder.Frames.Add(BitmapFrame.Create(renderTargetBitmap));
+
+ //using (FileStream stream = new FileStream("C:\\Workspace\\test.png",FileMode.OpenOrCreate))
+ //{
+ // // Save the encoded PNG image to a memory stream
+ // pngEncoder.Save(stream);
+
+ // stream.Flush();
+ // stream.Close();
+ //}
+
+ //string sss = XamlWriter.Save(richTextBox.Document);
+ //Debug.Print(sss);
+ // Backup original size
+ var originalWidth = richTextBox.ExtentWidth;
+ var originalHeight = richTextBox.ExtentHeight;
+
+ //richTextBox.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
+ richTextBox.Arrange(new Rect(new Size(originalWidth, originalHeight)));
+
+ int dpi = 300;
+
+ // Create a RenderTargetBitmap with the new size
+ RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap(
+ (int)(originalWidth * dpi / 96),
+ (int)(originalHeight * dpi / 96),
+ 300d, 300d, PixelFormats.Default);
+
+ // Render the control to the RenderTargetBitmap
+ renderTargetBitmap.Render(richTextBox);
+
+ // Create an encoder (PNG in this case)
+ PngBitmapEncoder pngEncoder = new PngBitmapEncoder();
+ pngEncoder.Frames.Add(BitmapFrame.Create(renderTargetBitmap));
+
+ BitmapEncoder be = new PngBitmapEncoder();
+ be.Frames.Add(BitmapFrame.Create(renderTargetBitmap));
+
+ using (MemoryStream ms = new MemoryStream())
+ {
+ be.Save(ms);
+ byte[] imageBytes = ms.ToArray();
+ return Convert.ToBase64String(imageBytes); // 灏嗗瓧鑺傛暟缁勮浆鎹负Base64瀛楃涓�
+ }
+ }
+
+ public byte[] GetBase64Blob(int dpi = 300)
+ {
+ richTextBox.BorderThickness = new Thickness(0);
+ var originalWidth = Math.Max(richTextBox.ExtentWidth, richTextBox.ActualWidth);
+ var originalHeight = Math.Max(richTextBox.ExtentHeight, richTextBox.ActualHeight);
+
+ richTextBox.Arrange(new Rect(new Size(originalWidth, originalHeight)));
+
+ // Create a RenderTargetBitmap with the new size
+ RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap(
+ (int)(originalWidth * dpi / 96),
+ (int)(originalHeight * dpi / 96),
+ 300d, 300d, PixelFormats.Default);
+
+ // Render the control to the RenderTargetBitmap
+ renderTargetBitmap.Render(richTextBox);
+
+ // Create an encoder (PNG in this case)
+ PngBitmapEncoder pngEncoder = new PngBitmapEncoder();
+ pngEncoder.Frames.Add(BitmapFrame.Create(renderTargetBitmap));
+
+ BitmapEncoder be = new PngBitmapEncoder();
+ be.Frames.Add(BitmapFrame.Create(renderTargetBitmap));
+
+ richTextBox.BorderThickness = new Thickness(1);
+ using (MemoryStream ms = new MemoryStream())
+ {
+ be.Save(ms);
+ return ms.ToArray();
+ }
+ }
}
}
--
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