From 981923c2a2cff6d61cd5a474d2ba398ba48f1fd5 Mon Sep 17 00:00:00 2001
From: chr <chr@chr.com>
Date: 星期一, 02 九月 2024 17:40:17 +0800
Subject: [PATCH] 更新代码；
---
CustomRictBox/CustomRichBox.xaml.cs | 135 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 134 insertions(+), 1 deletions(-)
diff --git a/CustomRictBox/CustomRichBox.xaml.cs b/CustomRictBox/CustomRichBox.xaml.cs
index ae3fec3..08bfa38 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
{
@@ -285,11 +291,16 @@
{
width = picMaxWidth;
}
+ TextPointer pointer = richTextBox.CaretPosition;
/// 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);
- TextPointer pointer = richTextBox.CaretPosition;
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);
/// 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);
@@ -376,5 +387,127 @@
}
}
+
+
+
+ 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));
+
+
+ FileStream pngfs = new FileStream("C:\\1.png", FileMode.OpenOrCreate);
+
+ 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�
+ }
+
+ //be.Save(pngfs);
+ //pngfs.Close();
+ }
}
}
--
Gitblit v1.9.1