public bool EmptyForm(ImageFile imgFile, int imageWidth, int imageHeight, string drawString) { //ImageFile imgFile = new ImageFile(imageFileName); ImageFile tempFile = new ImageFile(Path.GetTempPath() + "i" + DateTimeOffset.UtcNow.UtcTicks.ToString("x") + ".png"); // example: convert -size 180x225 xc:white -fill 292990_01_Gallery.png -draw "circle 30,110 32,82" -fuzz 5% -trim CircleW.png callString = ImPath + ConvertCommand + " -size " + imageWidth + "x" + imageHeight + " xc:white -fill " + Os.Escape(imgFile.FullName, EscapeMode.paramEsc) + " -draw \"" + drawString + "\" -fuzz 50% -trim " + Os.Escape(tempFile.FullName, EscapeMode.paramEsc); call = new RaiSystem(callString); string msg = new string(' ', 200);; call.Exec(out msg); try { File.Delete(tempFile.FullName); } catch (Exception) { } if (msg.Contains("geometry does not contain image")) { return(true); } return(false); }
public int Histogram(string imageFile, string histogramFileName) { string commandline = " -format %c " + Os.Escape(imageFile, EscapeMode.paramEsc) + " -colors 32 -depth 8 histogram:info:" + Os.Escape(histogramFileName, EscapeMode.paramEsc); call = new RaiSystem(ImPath + ConvertCommand, commandline); call.Exec(); return(call.ExitCode); }