97 lines
No EOL
3.4 KiB
C#
97 lines
No EOL
3.4 KiB
C#
/*
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Copyright (c) 2017, Lars Brubaker, John Lewin
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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using System.Diagnostics;
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using System.IO;
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using MatterHackers.Agg;
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using MatterHackers.Agg.Platform;
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using MatterHackers.MatterControl.DataStorage;
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namespace MatterHackers.MatterControl.Plugins
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{
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public class PdfDocument
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{
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public static string ConvertToPng(string sourceFilePath, int dpi = 150)
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{
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#if IS_WINDOWS_FORMS
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if (AggContext.StaticData is FileSystemStaticData fileSystemStaticData)
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{
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var pdfToImageConvert = fileSystemStaticData.MapPath(Path.Combine("Drivers", "ghostscript", "gswin32c.exe"));
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if (!File.Exists(pdfToImageConvert))
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{
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return null;
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}
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if (Path.GetExtension(sourceFilePath).ToUpper() == ".PDF")
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{
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try
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{
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string tempFileName = Path.ChangeExtension(Path.GetRandomFileName(), ".png");
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string outputFilePath = Path.Combine(ApplicationDataStorage.Instance.ApplicationLibraryDataPath, $"ImageConverter_{tempFileName}");
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string commandArgs = " -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 " +
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$" -dGridFitTT=2 -sDEVICE=pngalpha -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -r{dpi}x{dpi} -dUseCropBox " +
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$"-sOutputFile=\"{outputFilePath}\" -f\"{sourceFilePath}\"";
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var pdfOutputProcess = new Process()
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{
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StartInfo = new ProcessStartInfo()
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{
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FileName = pdfToImageConvert,
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Arguments = commandArgs,
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CreateNoWindow = true,
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WindowStyle = ProcessWindowStyle.Hidden,
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UseShellExecute = false
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}
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};
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pdfOutputProcess.Start();
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pdfOutputProcess.WaitForExit();
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return File.Exists(outputFilePath) ? outputFilePath : null;
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}
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catch
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{
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}
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}
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}
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#endif
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return null;
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}
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internal static double ScaleMmmPerPixels(int dpi)
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{
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double pixelsPerPoint = 1;
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double pointsPerInch = dpi;
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double mmPerInch = 25.4;
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double mmPerPoint = mmPerInch / pointsPerInch;
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return mmPerPoint / pixelsPerPoint;
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}
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}
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} |