protected override void OnAttached()
{
if (Container is NSView)
{
var control = (Container as NSView);
control.WantsLayer = true;
control.LayerUsesCoreImageFilters = true;
filter = CIFilter.FromName("CIGaussianBlur");
filter.SetDefaults();
}
}
void ApplyFilter(CIFilter filter)
{
// Prepare the options to pass when requesting to edit the image.
var options = new PHContentEditingInputRequestOptions();
options.SetCanHandleAdjustmentDataHandler(adjustmentData => {
bool result = false;
InvokeOnMainThread(() => {
result = adjustmentData.FormatIdentifier == AdjustmentFormatIdentifier && adjustmentData.FormatVersion == "1.0";
});
return(result);
});
Asset.RequestContentEditingInput(options, (contentEditingInput, requestStatusInfo) => {
// Create a CIImage from the full image representation.
var url = contentEditingInput.FullSizeImageUrl;
int orientation = (int)contentEditingInput.FullSizeImageOrientation;
var inputImage = CIImage.FromUrl(url);
inputImage = inputImage.CreateWithOrientation((CIImageOrientation)orientation);
// Create the filter to apply.
filter.SetDefaults();
filter.Image = inputImage;
// Apply the filter.
CIImage outputImage = filter.OutputImage;
// Create a PHAdjustmentData object that describes the filter that was applied.
var adjustmentData = new PHAdjustmentData(
AdjustmentFormatIdentifier,
"1.0",
NSData.FromString(filter.Name, NSStringEncoding.UTF8)
);
var contentEditingOutput = new PHContentEditingOutput(contentEditingInput);
NSData jpegData = outputImage.GetJpegRepresentation(0.9f);
jpegData.Save(contentEditingOutput.RenderedContentUrl, true);
contentEditingOutput.AdjustmentData = adjustmentData;
// Ask the shared PHPhotoLinrary to perform the changes.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges(() => {
var request = PHAssetChangeRequest.ChangeRequest(Asset);
request.ContentEditingOutput = contentEditingOutput;
}, (success, error) => {
if (!success)
{
Console.WriteLine("Error: {0}", error.LocalizedDescription);
}
});
});
}
void ApplyFilter (CIFilter filter)
{
// Prepare the options to pass when requesting to edit the image.
var options = new PHContentEditingInputRequestOptions ();
options.SetCanHandleAdjustmentDataHandler (adjustmentData => {
bool result = false;
InvokeOnMainThread (() => {
result = adjustmentData.FormatIdentifier == AdjustmentFormatIdentifier && adjustmentData.FormatVersion == "1.0";
});
return result;
});
Asset.RequestContentEditingInput (options,(contentEditingInput, requestStatusInfo) => {
// Create a CIImage from the full image representation.
var url = contentEditingInput.FullSizeImageUrl;
int orientation = (int)contentEditingInput.FullSizeImageOrientation;
var inputImage = CIImage.FromUrl (url);
inputImage = inputImage.CreateWithOrientation ((CIImageOrientation)orientation);
// Create the filter to apply.
filter.SetDefaults ();
filter.Image = inputImage;
// Apply the filter.
CIImage outputImage = filter.OutputImage;
// Create a PHAdjustmentData object that describes the filter that was applied.
var adjustmentData = new PHAdjustmentData (
AdjustmentFormatIdentifier,
"1.0",
NSData.FromString (filter.Name, NSStringEncoding.UTF8)
);
var contentEditingOutput = new PHContentEditingOutput (contentEditingInput);
NSData jpegData = outputImage.GetJpegRepresentation (0.9f);
jpegData.Save (contentEditingOutput.RenderedContentUrl, true);
contentEditingOutput.AdjustmentData = adjustmentData;
// Ask the shared PHPhotoLinrary to perform the changes.
PHPhotoLibrary.SharedPhotoLibrary.PerformChanges (() => {
var request = PHAssetChangeRequest.ChangeRequest (Asset);
request.ContentEditingOutput = contentEditingOutput;
}, (success, error) => {
if (!success)
Console.WriteLine ("Error: {0}", error.LocalizedDescription);
});
});
}