synch

Author: jhabjan

Ghostscript.NET.Samples/Samples/RasterizerSample1.cs

@@ -42,16 +42,49 @@ namespace Ghostscript.NET.Samples
     /// </summary>
     public class RasterizerSample1 : ISample
     {
-        private GhostscriptVersionInfo _lastInstalledVersion = null;
-
         public void Start()
+        {
+            Sample1();
+            Sample2();
+        }
+
+        public void Sample1()
         {
             int desired_x_dpi = 96;
             int desired_y_dpi = 96;
 
             string inputPdfPath = @"E:\gss_test\test.pdf";
             string outputPath = @"E:\gss_test\output\";
 
+            using (var rasterizer = new GhostscriptRasterizer())
+            {
+                rasterizer.Open(inputPdfPath);
+
+                for (var pageNumber = 1; pageNumber <= rasterizer.PageCount; pageNumber++)
+                {
+                    var pageFilePath = Path.Combine(outputPath, string.Format("Page-{0}.png", pageNumber));
+
+                    var img = rasterizer.GetPage(desired_x_dpi, desired_y_dpi, pageNumber);
+                    img.Save(pageFilePath, ImageFormat.Png);
+
+                    Console.WriteLine(pageFilePath);
+                }
+            }
+        }
+
+        public void Sample2()
+        {
+            int desired_x_dpi = 96;
+            int desired_y_dpi = 96;
+
+            string inputPdfPath = @"E:\gss_test\test.pdf";
+            string outputPath = @"E:\gss_test\output\";
+
+            var output = new DelegateStdIOHandler(
+                stdOut: Console.WriteLine,
+                stdErr: Console.WriteLine
+                );
+
             using (var rasterizer = new GhostscriptRasterizer(output))
             {
                 rasterizer.Open(inputPdfPath);

Ghostscript.NET/Rasterizer/GhostscriptRasterizer.cs

@@ -46,12 +46,22 @@ public class GhostscriptRasterizer : IDisposable
 
         #region Constructor
 
-        public GhostscriptRasterizer()
+        public GhostscriptRasterizer(GhostscriptStdIO stdIo)
         {
             _viewer = new GhostscriptViewer();
             _viewer.ShowPageAfterOpen = false;
             _viewer.ProgressiveUpdate = false;
             _viewer.DisplayPage += new GhostscriptViewerViewEventHandler(_viewer_DisplayPage);
+
+            if (stdIo != null)
+            {
+                _viewer.AttachStdIO(stdIo);
+            }
+        }
+
+        public GhostscriptRasterizer()
+            : this(default(GhostscriptStdIO))
+        {
         }
 
         #endregion

Ghostscript.NET/Viewer/GhostscriptViewer.cs

@@ -1040,6 +1040,24 @@ public List<string> CustomSwitches
 
         #endregion
 
+        #region DPI
+
+        public int Dpi
+        {
+            get { return ZoomXDpi; }
+            set
+            {
+                ZoomXDpi = value;
+                ZoomYDpi = value;
+            }
+        }
+
+        #endregion
+
+        #endregion
+
+        #region Internal properties
+
         #region ShowPageAfterOpen
 
         public bool ShowPageAfterOpen