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Add support to get raw image data in csharp (#5293)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /****************************************************************************** | ||
| * $Id$ | ||
| * | ||
| * Project: MapServer | ||
| * Purpose: A C# based mapscript example to draw the map directly onto a GDI+ bitmap. | ||
| * Author: Tamas Szekeres, szekerest@gmail.com | ||
| * | ||
| ****************************************************************************** | ||
| * Copyright (c) 1996-2008 Regents of the University of Minnesota. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a | ||
| * copy of this software and associated documentation files (the "Software"), | ||
| * to deal in the Software without restriction, including without limitation | ||
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| * and/or sell copies of the Software, and to permit persons to whom the | ||
| * Software is furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies of this Software or works derived from this Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| * DEALINGS IN THE SOFTWARE. | ||
| *****************************************************************************/ | ||
|
|
||
| using System; | ||
| using System.Diagnostics; | ||
| using System.Drawing; | ||
| using System.Drawing.Imaging; | ||
| using OSGeo.MapServer; | ||
|
|
||
| /// <summary> | ||
| /// A C# based mapscript example to draw the map directly onto a GDI+ bitmap. | ||
| /// </summary> | ||
| class DrawMap | ||
| { | ||
| public static void usage() | ||
| { | ||
| Console.WriteLine("usage: DrawMapGDIPlus {mapfile} {outfile}"); | ||
| System.Environment.Exit(-1); | ||
| } | ||
|
|
||
| public static void Main(string[] args) | ||
| { | ||
| Console.WriteLine(""); | ||
| if (args.Length < 2) usage(); | ||
|
|
||
| mapObj map = new mapObj(args[0]); | ||
|
|
||
| Console.WriteLine("# Map layers " + map.numlayers + "; Map name = " + map.name); | ||
| for (int i = 0; i < map.numlayers; i++) | ||
| { | ||
| Console.WriteLine("Layer [" + i + "] name: " + map.getLayer(i).name); | ||
| } | ||
|
|
||
| try | ||
| { | ||
| Bitmap mapImage = new Bitmap(map.width, map.height, PixelFormat.Format32bppRgb); | ||
| Stopwatch stopwatch = new Stopwatch(); | ||
| stopwatch.Start(); | ||
| using (imageObj image = map.draw()) | ||
| { | ||
| BitmapData bitmapData = mapImage.LockBits(new Rectangle(0, 0, image.width, image.height), ImageLockMode.ReadWrite, PixelFormat.Format32bppRgb); | ||
| try | ||
| { | ||
| if (image.getRawPixels(bitmapData.Scan0) == (int)MS_RETURN_VALUE.MS_FAILURE) | ||
| { | ||
| Console.WriteLine("Unable to get image contents"); | ||
| } | ||
| } | ||
| finally | ||
| { | ||
| mapImage.UnlockBits(bitmapData); | ||
| } | ||
|
|
||
| Console.WriteLine("Rendering time: " + stopwatch.ElapsedMilliseconds + "ms"); | ||
|
|
||
| mapImage.Save(args[1]); | ||
| } | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| Console.WriteLine( "\nMessage ---\n{0}", ex.Message ); | ||
| Console.WriteLine( | ||
| "\nHelpLink ---\n{0}", ex.HelpLink ); | ||
| Console.WriteLine( "\nSource ---\n{0}", ex.Source ); | ||
| Console.WriteLine( | ||
| "\nStackTrace ---\n{0}", ex.StackTrace ); | ||
| Console.WriteLine( | ||
| "\nTargetSite ---\n{0}", ex.TargetSite ); } | ||
| } | ||
| } | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| /****************************************************************************** | ||
| * $Id$ | ||
| * | ||
| * Project: MapServer | ||
| * Purpose: A C# based mapscript example to draw the map directly onto a WPF image. | ||
| * Author: Tamas Szekeres, szekerest@gmail.com | ||
| * | ||
| ****************************************************************************** | ||
| * Copyright (c) 1996-2008 Regents of the University of Minnesota. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a | ||
| * copy of this software and associated documentation files (the "Software"), | ||
| * to deal in the Software without restriction, including without limitation | ||
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| * and/or sell copies of the Software, and to permit persons to whom the | ||
| * Software is furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies of this Software or works derived from this Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| * DEALINGS IN THE SOFTWARE. | ||
| *****************************************************************************/ | ||
|
|
||
| using System; | ||
| using System.IO; | ||
| using System.Diagnostics; | ||
| using System.Windows; | ||
| using System.Windows.Media; | ||
| using System.Windows.Media.Imaging; | ||
| using OSGeo.MapServer; | ||
|
|
||
| /// <summary> | ||
| /// A C# based mapscript example to draw the map directly onto a WPF image. | ||
| /// </summary> | ||
| class DrawMap | ||
| { | ||
| public static void usage() | ||
| { | ||
| Console.WriteLine("usage: DrawMapWPF {mapfile} {outfile}"); | ||
| System.Environment.Exit(-1); | ||
| } | ||
|
|
||
| public static void Main(string[] args) | ||
| { | ||
| Console.WriteLine(""); | ||
| if (args.Length < 2) usage(); | ||
|
|
||
| mapObj map = new mapObj(args[0]); | ||
|
|
||
| Console.WriteLine("# Map layers " + map.numlayers + "; Map name = " + map.name); | ||
| for (int i = 0; i < map.numlayers; i++) | ||
| { | ||
| Console.WriteLine("Layer [" + i + "] name: " + map.getLayer(i).name); | ||
| } | ||
|
|
||
| try | ||
| { | ||
| WriteableBitmap mapImage = new WriteableBitmap(map.width, map.height, 96, 96, PixelFormats.Bgr32, null); | ||
| Stopwatch stopwatch = new Stopwatch(); | ||
| stopwatch.Start(); | ||
| using (imageObj image = map.draw()) | ||
| { | ||
| // Reserve the back buffer for updates. | ||
| mapImage.Lock(); | ||
| try | ||
| { | ||
| if (image.getRawPixels(mapImage.BackBuffer) == (int)MS_RETURN_VALUE.MS_FAILURE) | ||
| { | ||
| Console.WriteLine("Unable to get image contents"); | ||
| } | ||
| // Specify the area of the bitmap that changed. | ||
| mapImage.AddDirtyRect(new Int32Rect(0, 0, map.width, map.height)); | ||
| } | ||
| finally | ||
| { | ||
| // Release the back buffer and make it available for display. | ||
| mapImage.Unlock(); | ||
| } | ||
|
|
||
| Console.WriteLine("Rendering time: " + stopwatch.ElapsedMilliseconds + "ms"); | ||
|
|
||
| // Save the bitmap into a file. | ||
| using (FileStream stream = new FileStream(args[1], FileMode.Create)) | ||
| { | ||
| PngBitmapEncoder encoder = new PngBitmapEncoder(); | ||
| encoder.Frames.Add(BitmapFrame.Create(mapImage)); | ||
| encoder.Save(stream); | ||
| } | ||
| } | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| Console.WriteLine( "\nMessage ---\n{0}", ex.Message ); | ||
| Console.WriteLine( | ||
| "\nHelpLink ---\n{0}", ex.HelpLink ); | ||
| Console.WriteLine( "\nSource ---\n{0}", ex.Source ); | ||
| Console.WriteLine( | ||
| "\nStackTrace ---\n{0}", ex.StackTrace ); | ||
| Console.WriteLine( | ||
| "\nTargetSite ---\n{0}", ex.TargetSite ); } | ||
| } | ||
| } | ||
|
|