private static void SaveTempImage(CIImage fullimage, UIImage image, string outputFilename, int quality, bool rotate)
{
var imageData = image.AsJPEG(quality);
var dataProvider = new CGDataProvider(imageData);
var cgImageFromJpeg = CGImage.FromJPEG(dataProvider, null, false, CGColorRenderingIntent.Default);
var imageWithExif = new NSMutableData();
var destination = CGImageDestination.Create(imageWithExif, UTType.JPEG, 1);
var cgImageMetadata = new CGMutableImageMetadata();
var options = new CGImageDestinationOptions();
if (fullimage.Properties.DPIWidthF != null)
{
options.Dictionary[ImageIO.CGImageProperties.DPIWidth] =
new NSNumber((nfloat)fullimage.Properties.DPIWidthF);
}
if (fullimage.Properties.DPIWidthF != null)
{
options.Dictionary[ImageIO.CGImageProperties.DPIHeight] =
new NSNumber((nfloat)fullimage.Properties.DPIHeightF);
}
options.ExifDictionary = fullimage.Properties?.Exif ?? new CGImagePropertiesExif();
options.TiffDictionary = fullimage.Properties?.Tiff ?? new CGImagePropertiesTiff();
options.GpsDictionary = fullimage.Properties?.Gps ?? new CGImagePropertiesGps();
options.JfifDictionary = fullimage.Properties?.Jfif ?? new CGImagePropertiesJfif();
options.IptcDictionary = fullimage.Properties?.Iptc ?? new CGImagePropertiesIptc();
if (rotate)
{
options.Dictionary[ImageIO.CGImageProperties.Orientation] =
new NSString(UIImageOrientation.Up.ToString());
var tiffDict = new CGImagePropertiesTiff();
foreach (KeyValuePair <NSObject, NSObject> x in options.TiffDictionary.Dictionary)
{
tiffDict.Dictionary.SetValueForKey(x.Value, x.Key as NSString);
}
tiffDict.Dictionary.SetValueForKey(new NSNumber(1), new NSString("Orientation"));
options.TiffDictionary = tiffDict;
}
else
{
if (fullimage.Properties.Orientation != null)
{
options.Dictionary[ImageIO.CGImageProperties.Orientation] =
new NSString(image.Orientation.ToString());
}
}
destination.AddImageAndMetadata(cgImageFromJpeg, cgImageMetadata, options);
var success = destination.Close();
if (success)
{
imageWithExif.Save(outputFilename, true);
}
else
{
imageData.Save(outputFilename, true);
}
}
private string GeneratePdf()
{
NSMutableData printData = new NSMutableData();
//create a PDF with empty rectangle, which will configure it for 8.5x11 inches
var frame = new CGRect(0, 0, 0, 0);
if (Orientation == PrintHelper.ORIENTATION.LANDSCAPE)
{
frame.Width = 792f;
frame.Height = 612f;
}
else
{
frame.Width = 612f;
frame.Height = 792f;
}
UIGraphics.BeginPDFContext(printData, frame, null);
if (renderer != null)
{
for (int i = 0; i < renderer.NumberOfPages; i++)
{
UIGraphics.BeginPDFPage();
renderer.DrawHeaderForPage(i, new CGRect());
renderer.DrawFooterForPage(i, new CGRect());
renderer.DrawContentForPage(i, new CGRect());
renderer.DrawPage(i, new CGRect());
}
}
// complete a PDF page
UIGraphics.EndPDFContent();
var path = NSFileManager.DefaultManager.GetUrls(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomain.User) [0].Path;
var pdfFile = System.IO.Path.Combine(path, "test.pdf");
printData.Save(pdfFile, true);
return(pdfFile);
}
public void RedrawDailyStockPDF(bool DocumentSigned)
{
// render created preview in PDF context
NSMutableData pdfData = new NSMutableData();
UIGraphics.BeginPDFContext(pdfData, GeneratedPDFView.Bounds, null);
UIGraphics.BeginPDFPage();
GeneratedPDFView.Layer.RenderInContext(UIGraphics.GetCurrentContext());
UIGraphics.EndPDFContent();
// save the rendered context to disk
NSError err;
string pdfID = String.Format("{0}_{1}_{2}_UsedStock", MyConstants.EmployeeID, MyConstants.EmployeeName, DateTime.Now.Date.ToString("yyyy-MM-dd"));
string pdfFileName;
if (DocumentSigned)
{
pdfFileName = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), pdfID + "_Signed.pdf");
}
else
{
pdfFileName = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), pdfID + "_Not_Signed.pdf");
}
pdfData.Save(pdfFileName, true, out err);
if (err != null)
{
err.Dispose(); err = null;
}
if (pdfData != null)
{
pdfData.Dispose(); pdfData = null;
}
// set up UIWebView in signature view controller
this.PDFView.MultipleTouchEnabled = true;
this.PDFView.ScalesPageToFit = true;
this.PdfFileName = pdfFileName;
if (DocumentSigned)
{
PDFView.LoadRequest(new NSUrlRequest(NSUrl.FromFilename(PdfFileName)));
}
}
private bool SaveImageWithMetadata(UIImage image, float quality, NSDictionary meta, string path)
{
var imageData = image.AsJPEG(quality);
var dataProvider = new CGDataProvider(imageData);
var cgImageFromJpeg = CGImage.FromJPEG(dataProvider, null, false, CGColorRenderingIntent.Default);
var imageWithExif = new NSMutableData();
var destination = CGImageDestination.Create(imageWithExif, UTType.JPEG, 1);
var cgImageMetadata = new CGMutableImageMetadata();
var destinationOptions = new CGImageDestinationOptions();
if (meta.ContainsKey(ImageIO.CGImageProperties.ExifDictionary))
{
destinationOptions.ExifDictionary =
new CGImagePropertiesExif(meta[ImageIO.CGImageProperties.ExifDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.TIFFDictionary))
{
destinationOptions.TiffDictionary = new CGImagePropertiesTiff(meta[ImageIO.CGImageProperties.TIFFDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.GPSDictionary))
{
destinationOptions.GpsDictionary =
new CGImagePropertiesGps(meta[ImageIO.CGImageProperties.GPSDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.JFIFDictionary))
{
destinationOptions.JfifDictionary =
new CGImagePropertiesJfif(meta[ImageIO.CGImageProperties.JFIFDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.IPTCDictionary))
{
destinationOptions.IptcDictionary =
new CGImagePropertiesIptc(meta[ImageIO.CGImageProperties.IPTCDictionary] as NSDictionary);
}
destination.AddImageAndMetadata(cgImageFromJpeg, cgImageMetadata, destinationOptions);
var success = destination.Close();
if (success)
{
imageWithExif.Save(path, true);
}
return(success);
}
public void RedrawPrePlumbingPDF(bool ThereAndBack, bool DocumentSigned)
{
if (ThereAndBack)
{
_navWorkflow.PopToRootViewController(false);
}
// render created preview in PDF context
NSMutableData pdfData = new NSMutableData();
UIGraphics.BeginPDFContext(pdfData, _generatedPdfView.Bounds, null);
UIGraphics.BeginPDFPage();
_generatedPdfView.Layer.RenderInContext(UIGraphics.GetCurrentContext());
UIGraphics.EndPDFContent();
// save the rendered context to disk
NSError err;
string pdfFileName;
string pdfID = _navWorkflow._tabs._jobRunTable.CurrentCustomer.CustomerNumber.ToString() + "_PrePlumbingPDF";
if (DocumentSigned)
{
pdfFileName = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), pdfID + "_Signed.pdf");
}
else
{
pdfFileName = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), pdfID + "_Not_Signed.pdf");
}
pdfData.Save(pdfFileName, true, out err);
err = null; pdfData = null;
// load the content into Signing view controller
_navWorkflow._tabs.SignPre.PDFView.MultipleTouchEnabled = true;
_navWorkflow._tabs.SignPre.PDFView.ScalesPageToFit = true;
_navWorkflow._tabs.SignPre.PDFView.LoadRequest(new NSUrlRequest(NSUrl.FromFilename(pdfFileName)));
pdfPrePlumbingFileName = pdfFileName;
// if (ThereAndBack) _navWorkflow.PushViewController (_navWorkflow._tabs._signView, true);
}
private bool SaveImageWithMetadata(UIImage image, float quality, NSDictionary meta, string path)
{
try
{
var finalQuality = quality;
var imageData = image.AsJPEG(finalQuality);
//continue to move down quality , rare instances
while (imageData == null && finalQuality > 0)
{
finalQuality -= 0.05f;
imageData = image.AsJPEG(finalQuality);
}
if (imageData == null)
{
throw new NullReferenceException("Unable to convert image to jpeg, please ensure file exists or lower quality level");
}
var dataProvider = new CGDataProvider(imageData);
var cgImageFromJpeg = CGImage.FromJPEG(dataProvider, null, false, CGColorRenderingIntent.Default);
var imageWithExif = new NSMutableData();
var destination = CGImageDestination.Create(imageWithExif, UTType.JPEG, 1);
var cgImageMetadata = new CGMutableImageMetadata();
var destinationOptions = new CGImageDestinationOptions();
if (meta.ContainsKey(ImageIO.CGImageProperties.Orientation))
{
destinationOptions.Dictionary[ImageIO.CGImageProperties.Orientation] = meta[ImageIO.CGImageProperties.Orientation];
}
if (meta.ContainsKey(ImageIO.CGImageProperties.DPIWidth))
{
destinationOptions.Dictionary[ImageIO.CGImageProperties.DPIWidth] = meta[ImageIO.CGImageProperties.DPIWidth];
}
if (meta.ContainsKey(ImageIO.CGImageProperties.DPIHeight))
{
destinationOptions.Dictionary[ImageIO.CGImageProperties.DPIHeight] = meta[ImageIO.CGImageProperties.DPIHeight];
}
if (meta.ContainsKey(ImageIO.CGImageProperties.ExifDictionary))
{
destinationOptions.ExifDictionary =
new CGImagePropertiesExif(meta[ImageIO.CGImageProperties.ExifDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.TIFFDictionary))
{
destinationOptions.TiffDictionary = new CGImagePropertiesTiff(meta[ImageIO.CGImageProperties.TIFFDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.GPSDictionary))
{
destinationOptions.GpsDictionary =
new CGImagePropertiesGps(meta[ImageIO.CGImageProperties.GPSDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.JFIFDictionary))
{
destinationOptions.JfifDictionary =
new CGImagePropertiesJfif(meta[ImageIO.CGImageProperties.JFIFDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.IPTCDictionary))
{
destinationOptions.IptcDictionary =
new CGImagePropertiesIptc(meta[ImageIO.CGImageProperties.IPTCDictionary] as NSDictionary);
}
destination.AddImageAndMetadata(cgImageFromJpeg, cgImageMetadata, destinationOptions);
var success = destination.Close();
if (success)
{
imageWithExif.Save(path, true);
}
return(success);
}
catch (Exception ex)
{
Console.WriteLine($"Unable to save image with metadata: {ex}");
}
return(false);
}
internal static bool SaveImageWithMetadata(UIImage image, float quality, NSDictionary meta, string path, string pathExtension)
{
if (UIDevice.CurrentDevice.CheckSystemVersion(13, 0))
{
return(SaveImageWithMetadataiOS13(image, quality, meta, path, pathExtension));
}
try
{
pathExtension = pathExtension.ToLowerInvariant();
var finalQuality = quality;
var imageData = pathExtension == "jpg" ? image.AsJPEG(finalQuality) : image.AsPNG();
//continue to move down quality , rare instances
while (imageData == null && finalQuality > 0)
{
finalQuality -= 0.05f;
imageData = image.AsJPEG(finalQuality);
}
if (imageData == null)
{
throw new NullReferenceException("Unable to convert image to jpeg, please ensure file exists or lower quality level");
}
var dataProvider = new CGDataProvider(imageData);
var cgImageFromJpeg = CGImage.FromJPEG(dataProvider, null, false, CGColorRenderingIntent.Default);
var imageWithExif = new NSMutableData();
var destination = CGImageDestination.Create(imageWithExif, UTType.JPEG, 1);
var cgImageMetadata = new CGMutableImageMetadata();
var destinationOptions = new CGImageDestinationOptions();
if (meta.ContainsKey(ImageIO.CGImageProperties.Orientation))
{
destinationOptions.Dictionary[ImageIO.CGImageProperties.Orientation] = meta[ImageIO.CGImageProperties.Orientation];
}
if (meta.ContainsKey(ImageIO.CGImageProperties.DPIWidth))
{
destinationOptions.Dictionary[ImageIO.CGImageProperties.DPIWidth] = meta[ImageIO.CGImageProperties.DPIWidth];
}
if (meta.ContainsKey(ImageIO.CGImageProperties.DPIHeight))
{
destinationOptions.Dictionary[ImageIO.CGImageProperties.DPIHeight] = meta[ImageIO.CGImageProperties.DPIHeight];
}
if (meta.ContainsKey(ImageIO.CGImageProperties.ExifDictionary))
{
destinationOptions.ExifDictionary =
new CGImagePropertiesExif(meta[ImageIO.CGImageProperties.ExifDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.TIFFDictionary))
{
var existingTiffDict = meta[ImageIO.CGImageProperties.TIFFDictionary] as NSDictionary;
if (existingTiffDict != null)
{
var newTiffDict = new NSMutableDictionary();
newTiffDict.SetValuesForKeysWithDictionary(existingTiffDict);
newTiffDict.SetValueForKey(meta[ImageIO.CGImageProperties.Orientation], ImageIO.CGImageProperties.TIFFOrientation);
destinationOptions.TiffDictionary = new CGImagePropertiesTiff(newTiffDict);
}
}
if (meta.ContainsKey(ImageIO.CGImageProperties.GPSDictionary))
{
destinationOptions.GpsDictionary =
new CGImagePropertiesGps(meta[ImageIO.CGImageProperties.GPSDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.JFIFDictionary))
{
destinationOptions.JfifDictionary =
new CGImagePropertiesJfif(meta[ImageIO.CGImageProperties.JFIFDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.IPTCDictionary))
{
destinationOptions.IptcDictionary =
new CGImagePropertiesIptc(meta[ImageIO.CGImageProperties.IPTCDictionary] as NSDictionary);
}
destination.AddImageAndMetadata(cgImageFromJpeg, cgImageMetadata, destinationOptions);
var success = destination.Close();
if (success)
{
var saved = imageWithExif.Save(path, true, out NSError error);
if (error != null)
{
Debug.WriteLine($"Unable to save exif data: {error.ToString()}");
}
imageWithExif.Dispose();
imageWithExif = null;
}
return(success);
}
catch (Exception ex)
{
Console.WriteLine($"Unable to save image with metadata: {ex}");
}
return(false);
}
private bool SaveImageWithMetadata(UIImage image, float quality, NSDictionary meta, string path)
{
try
{
var imageData = GetImageWithQuality(quality, image);
var dataProvider = new CGDataProvider(imageData);
var cgImageFromJpeg = CGImage.FromJPEG(dataProvider, null, false, CGColorRenderingIntent.Default);
var imageWithExif = new NSMutableData();
var destination = CGImageDestination.Create(imageWithExif, UTType.JPEG, 1);
var cgImageMetadata = new CGMutableImageMetadata();
var destinationOptions = new CGImageDestinationOptions();
if (meta.ContainsKey(ImageIO.CGImageProperties.DPIWidth))
destinationOptions.Dictionary[ImageIO.CGImageProperties.DPIWidth] = meta[ImageIO.CGImageProperties.DPIWidth];
if (meta.ContainsKey(ImageIO.CGImageProperties.DPIHeight))
destinationOptions.Dictionary[ImageIO.CGImageProperties.DPIHeight] = meta[ImageIO.CGImageProperties.DPIHeight];
if (meta.ContainsKey(ImageIO.CGImageProperties.ExifDictionary))
{
destinationOptions.ExifDictionary =
new CGImagePropertiesExif(meta[ImageIO.CGImageProperties.ExifDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.TIFFDictionary))
{
destinationOptions.TiffDictionary = new CGImagePropertiesTiff(meta[ImageIO.CGImageProperties.TIFFDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.GPSDictionary))
{
destinationOptions.GpsDictionary =
new CGImagePropertiesGps(meta[ImageIO.CGImageProperties.GPSDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.JFIFDictionary))
{
destinationOptions.JfifDictionary =
new CGImagePropertiesJfif(meta[ImageIO.CGImageProperties.JFIFDictionary] as NSDictionary);
}
if (meta.ContainsKey(ImageIO.CGImageProperties.IPTCDictionary))
{
destinationOptions.IptcDictionary =
new CGImagePropertiesIptc(meta[ImageIO.CGImageProperties.IPTCDictionary] as NSDictionary);
}
if (options.RotateImage)
{
if (meta.ContainsKey(ImageIO.CGImageProperties.Orientation))
destinationOptions.Dictionary[ImageIO.CGImageProperties.Orientation] = new NSString(UIImageOrientation.Up.ToString());
destinationOptions.TiffDictionary.Orientation = CoreImage.CIImageOrientation.TopLeft;
}
else
{
if (meta.ContainsKey(ImageIO.CGImageProperties.Orientation))
destinationOptions.Dictionary[ImageIO.CGImageProperties.Orientation] = meta[ImageIO.CGImageProperties.Orientation];
}
destination.AddImageAndMetadata(cgImageFromJpeg, cgImageMetadata, destinationOptions);
var success = destination.Close();
if (success)
{
imageWithExif.Save(path, true);
}
return success;
}
catch (Exception ex)
{
Console.WriteLine($"Unable to save image with metadata: {ex}");
}
return false;
}