增加输出图片的测试

Kivii.Pdf.Test.csproj

@@ -32,8 +32,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Kivii.Common.V4.0, Version=5.5.2020.9280, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>packages\Kivii.Common.5.5.2020.9280\lib\net40\Kivii.Common.V4.0.dll</HintPath>
+    <Reference Include="Kivii.Common.V4.0, Version=5.6.2021.5080, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>packages\Kivii.Common.5.6.2021.5080\lib\net40\Kivii.Common.V4.0.dll</HintPath>
     </Reference>
     <Reference Include="Kivii.Pdf.V4.0, Version=5.5.2020.11000, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>packages\Kivii.Pdf.5.5.2020.11000\lib\net40\Kivii.Pdf.V4.0.dll</HintPath>

frmMain.Designer.cs

@@ -89,10 +89,16 @@
             this.label26 = new System.Windows.Forms.Label();
             this.label24 = new System.Windows.Forms.Label();
             this.label25 = new System.Windows.Forms.Label();
+            this.groupBox4 = new System.Windows.Forms.GroupBox();
+            this.btnExportImages = new System.Windows.Forms.Button();
+            this.tbxExportImagesPath = new System.Windows.Forms.TextBox();
+            this.label30 = new System.Windows.Forms.Label();
+            this.btnSelectImagePath = new System.Windows.Forms.Button();
             this.panel1.SuspendLayout();
             this.groupBox2.SuspendLayout();
             this.groupBox1.SuspendLayout();
             this.groupBox3.SuspendLayout();
+            this.groupBox4.SuspendLayout();
             this.SuspendLayout();
             // 
             // button1
@@ -593,15 +599,7 @@
             // 
             // groupBox3
             // 
-            this.groupBox3.Controls.Add(this.label27);
-            this.groupBox3.Controls.Add(this.btnStamp2);
-            this.groupBox3.Controls.Add(this.tbxPdfFilePath2);
-            this.groupBox3.Controls.Add(this.tbxSaveFolder2);
-            this.groupBox3.Controls.Add(this.btnSelectSaveFolder2);
-            this.groupBox3.Controls.Add(this.btnSelectFile2);
-            this.groupBox3.Controls.Add(this.label26);
-            this.groupBox3.Controls.Add(this.label24);
-            this.groupBox3.Controls.Add(this.label25);
+            this.groupBox3.Controls.Add(this.groupBox4);
             this.groupBox3.Dock = System.Windows.Forms.DockStyle.Left;
             this.groupBox3.Location = new System.Drawing.Point(441, 0);
             this.groupBox3.Name = "groupBox3";
@@ -612,7 +610,7 @@
             // 
             // label27
             // 
-            this.label27.Location = new System.Drawing.Point(18, 90);
+            this.label27.Location = new System.Drawing.Point(838, 109);
             this.label27.Name = "label27";
             this.label27.Size = new System.Drawing.Size(331, 43);
             this.label27.TabIndex = 7;
@@ -620,7 +618,7 @@
             // 
             // btnStamp2
             // 
-            this.btnStamp2.Location = new System.Drawing.Point(20, 227);
+            this.btnStamp2.Location = new System.Drawing.Point(840, 246);
             this.btnStamp2.Name = "btnStamp2";
             this.btnStamp2.Size = new System.Drawing.Size(75, 23);
             this.btnStamp2.TabIndex = 6;
@@ -630,21 +628,21 @@
             // 
             // tbxPdfFilePath2
             // 
-            this.tbxPdfFilePath2.Location = new System.Drawing.Point(83, 30);
+            this.tbxPdfFilePath2.Location = new System.Drawing.Point(903, 49);
             this.tbxPdfFilePath2.Name = "tbxPdfFilePath2";
             this.tbxPdfFilePath2.Size = new System.Drawing.Size(218, 21);
             this.tbxPdfFilePath2.TabIndex = 4;
             // 
             // tbxSaveFolder2
             // 
-            this.tbxSaveFolder2.Location = new System.Drawing.Point(83, 182);
+            this.tbxSaveFolder2.Location = new System.Drawing.Point(903, 201);
             this.tbxSaveFolder2.Name = "tbxSaveFolder2";
             this.tbxSaveFolder2.Size = new System.Drawing.Size(218, 21);
             this.tbxSaveFolder2.TabIndex = 4;
             // 
             // btnSelectSaveFolder2
             // 
-            this.btnSelectSaveFolder2.Location = new System.Drawing.Point(317, 182);
+            this.btnSelectSaveFolder2.Location = new System.Drawing.Point(1137, 201);
             this.btnSelectSaveFolder2.Name = "btnSelectSaveFolder2";
             this.btnSelectSaveFolder2.Size = new System.Drawing.Size(32, 23);
             this.btnSelectSaveFolder2.TabIndex = 5;
@@ -654,7 +652,7 @@
             // 
             // btnSelectFile2
             // 
-            this.btnSelectFile2.Location = new System.Drawing.Point(317, 30);
+            this.btnSelectFile2.Location = new System.Drawing.Point(1137, 49);
             this.btnSelectFile2.Name = "btnSelectFile2";
             this.btnSelectFile2.Size = new System.Drawing.Size(32, 23);
             this.btnSelectFile2.TabIndex = 5;
@@ -665,7 +663,7 @@
             // label26
             // 
             this.label26.AutoSize = true;
-            this.label26.Location = new System.Drawing.Point(18, 185);
+            this.label26.Location = new System.Drawing.Point(838, 204);
             this.label26.Name = "label26";
             this.label26.Size = new System.Drawing.Size(53, 12);
             this.label26.TabIndex = 1;
@@ -674,7 +672,7 @@
             // label24
             // 
             this.label24.AutoSize = true;
-            this.label24.Location = new System.Drawing.Point(81, 54);
+            this.label24.Location = new System.Drawing.Point(901, 73);
             this.label24.Name = "label24";
             this.label24.Size = new System.Drawing.Size(161, 12);
             this.label24.TabIndex = 6;
@@ -683,22 +681,81 @@
             // label25
             // 
             this.label25.AutoSize = true;
-            this.label25.Location = new System.Drawing.Point(18, 33);
+            this.label25.Location = new System.Drawing.Point(838, 52);
             this.label25.Name = "label25";
             this.label25.Size = new System.Drawing.Size(47, 12);
             this.label25.TabIndex = 1;
             this.label25.Text = "PDF路径";
             // 
+            // groupBox4
+            // 
+            this.groupBox4.Controls.Add(this.btnSelectImagePath);
+            this.groupBox4.Controls.Add(this.btnExportImages);
+            this.groupBox4.Controls.Add(this.tbxExportImagesPath);
+            this.groupBox4.Controls.Add(this.label30);
+            this.groupBox4.Dock = System.Windows.Forms.DockStyle.Top;
+            this.groupBox4.Location = new System.Drawing.Point(3, 17);
+            this.groupBox4.Name = "groupBox4";
+            this.groupBox4.Size = new System.Drawing.Size(360, 107);
+            this.groupBox4.TabIndex = 8;
+            this.groupBox4.TabStop = false;
+            this.groupBox4.Text = "获取图片";
+            // 
+            // btnExportImages
+            // 
+            this.btnExportImages.Location = new System.Drawing.Point(16, 63);
+            this.btnExportImages.Name = "btnExportImages";
+            this.btnExportImages.Size = new System.Drawing.Size(75, 23);
+            this.btnExportImages.TabIndex = 9;
+            this.btnExportImages.Text = "导出图片";
+            this.btnExportImages.UseVisualStyleBackColor = true;
+            this.btnExportImages.Click += new System.EventHandler(this.btnExportImages_Click);
+            // 
+            // tbxExportImagesPath
+            // 
+            this.tbxExportImagesPath.Location = new System.Drawing.Point(79, 26);
+            this.tbxExportImagesPath.Name = "tbxExportImagesPath";
+            this.tbxExportImagesPath.Size = new System.Drawing.Size(208, 21);
+            this.tbxExportImagesPath.TabIndex = 8;
+            // 
+            // label30
+            // 
+            this.label30.AutoSize = true;
+            this.label30.Location = new System.Drawing.Point(14, 29);
+            this.label30.Name = "label30";
+            this.label30.Size = new System.Drawing.Size(53, 12);
+            this.label30.TabIndex = 7;
+            this.label30.Text = "保存路径";
+            // 
+            // btnSelectImagePath
+            // 
+            this.btnSelectImagePath.Location = new System.Drawing.Point(293, 24);
+            this.btnSelectImagePath.Name = "btnSelectImagePath";
+            this.btnSelectImagePath.Size = new System.Drawing.Size(32, 23);
+            this.btnSelectImagePath.TabIndex = 10;
+            this.btnSelectImagePath.Text = "...";
+            this.btnSelectImagePath.UseVisualStyleBackColor = true;
+            this.btnSelectImagePath.Click += new System.EventHandler(this.btnSelectImagePath_Click);
+            // 
             // frmMain
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(1185, 657);
             this.Controls.Add(this.groupBox3);
+            this.Controls.Add(this.label27);
             this.Controls.Add(this.panel1);
+            this.Controls.Add(this.btnStamp2);
             this.Controls.Add(this.label2);
+            this.Controls.Add(this.tbxPdfFilePath2);
             this.Controls.Add(this.textBox1);
+            this.Controls.Add(this.tbxSaveFolder2);
             this.Controls.Add(this.button1);
+            this.Controls.Add(this.btnSelectSaveFolder2);
+            this.Controls.Add(this.label25);
+            this.Controls.Add(this.btnSelectFile2);
+            this.Controls.Add(this.label24);
+            this.Controls.Add(this.label26);
             this.Name = "frmMain";
             this.Text = "PDF ";
             this.panel1.ResumeLayout(false);
@@ -707,7 +764,8 @@
             this.groupBox1.ResumeLayout(false);
             this.groupBox1.PerformLayout();
             this.groupBox3.ResumeLayout(false);
-            this.groupBox3.PerformLayout();
+            this.groupBox4.ResumeLayout(false);
+            this.groupBox4.PerformLayout();
             this.ResumeLayout(false);
             this.PerformLayout();
 
@@ -776,6 +834,11 @@
         private System.Windows.Forms.Button btnStampByService;
         private System.Windows.Forms.TextBox tbxServiceUrl;
         private System.Windows.Forms.Label label29;
+        private System.Windows.Forms.GroupBox groupBox4;
+        private System.Windows.Forms.Button btnExportImages;
+        private System.Windows.Forms.TextBox tbxExportImagesPath;
+        private System.Windows.Forms.Label label30;
+        private System.Windows.Forms.Button btnSelectImagePath;
     }
 }
 

frmMain.cs

@@ -214,5 +214,38 @@ namespace Kivii.Pdf.Test
             }
             catch { }
         }
+
+        private void btnSelectImagePath_Click(object sender, EventArgs e)
+        {
+            FolderBrowserDialog sfd = new FolderBrowserDialog();
+            if (sfd.ShowDialog() != DialogResult.OK) return;
+            tbxExportImagesPath.Text = sfd.SelectedPath;
+
+        }
+
+        private void btnExportImages_Click(object sender, EventArgs e)
+        {
+            var reader = new PdfReader(tbxPdfFilePath.Text);
+
+            for (var i = 0; i < reader.XrefSize; i++)
+            {
+                var pdfObj = reader.GetPdfObject(i);
+                if (pdfObj == null || !pdfObj.IsStream()) continue;
+                var pdfStream = (PdfStream)pdfObj;
+                var subType= pdfStream.Get(PdfName.SUBTYPE);
+                if (subType == null || subType.ToString() != PdfName.IMAGE.ToString()) continue;
+                var bytes = PdfReader.GetStreamBytesRaw((PRStream)pdfStream);
+                if (bytes == null) continue;
+                try
+                {
+                    var ms = new MemoryStream(bytes);
+                    ms.Position = 0;
+                    var img = System.Drawing.Image.FromStream(ms);
+                    img.Save(Path.Combine(tbxExportImagesPath.Text, $"{i}.jpg"), System.Drawing.Imaging.ImageFormat.Jpeg);
+                }
+                catch
+                { }
+            }
+        }
     }
 }

packages.config

 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Kivii.Common" version="5.5.2020.9280" targetFramework="net40" />
+  <package id="Kivii.Common" version="5.6.2021.5080" targetFramework="net40" />
   <package id="Kivii.Pdf" version="5.5.2020.11000" targetFramework="net40" />
 </packages>
\ No newline at end of file