public void FromData_BadITU()
{
using (NSMutableData destData = new NSMutableData()) {
#if XAMCORE_2_0 // FromData => Create
Assert.Null(CGImageDestination.Create(destData, BadUti, 1), "FromData-1");
Assert.Null(CGImageDestination.Create(destData, BadUti, 1, new CGImageDestinationOptions()), "FromData-2");
#else
Assert.Null(CGImageDestination.FromData(destData, BadUti, 1), "FromData-1");
Assert.Null(CGImageDestination.FromData(destData, BadUti, 1, new CGImageDestinationOptions()), "FromData-2");
#endif
}
}
public void AddImage()
{
string file = Path.Combine(NSBundle.MainBundle.ResourcePath, "basn3p08.png");
using (NSMutableData destData = new NSMutableData())
using (var uiimg = UIImage.FromFile(file))
using (var img = uiimg.CGImage)
#if XAMCORE_2_0 // FromData => Create
using (var id = CGImageDestination.Create(destData, GoodUti, 1)) {
#else
using (var id = CGImageDestination.FromData(destData, GoodUti, 1)) {
#endif
id.AddImage(img, (NSDictionary)null);
}
}
public void CopyImageSource()
{
TestRuntime.AssertXcodeVersion(5, 0);
using (NSData data = NSData.FromFile("xamarin2.png"))
using (var source = CGImageSource.FromData(data))
using (NSMutableData destData = new NSMutableData())
#if XAMCORE_2_0 // FromData => Create
using (var id = CGImageDestination.Create(destData, GoodUti, 1)) {
#else
using (var id = CGImageDestination.FromData(destData, GoodUti, 1)) {
#endif
NSError err;
// testing that null is allowed (no crash) so the fact that is return false and an error does not matter
Assert.False(id.CopyImageSource(source, (NSDictionary)null, out err), "CopyImageSource");
Assert.NotNull(err, "NSError");
}
}
public void AddImageAndMetadata()
{
TestRuntime.AssertXcodeVersion(5, 0);
string file = Path.Combine(NSBundle.MainBundle.ResourcePath, "basn3p08.png");
using (NSMutableData destData = new NSMutableData())
using (var uiimg = UIImage.FromFile(file))
using (var img = uiimg.CGImage)
#if XAMCORE_2_0 // FromData => Create
using (var id = CGImageDestination.Create(destData, GoodUti, 1))
#else
using (var id = CGImageDestination.FromData(destData, GoodUti, 1))
#endif
using (var mutable = new CGMutableImageMetadata()) {
id.AddImageAndMetadata(img, mutable, (NSDictionary)null);
}
}
public void FromData_GoodITU()
{
using (NSMutableData destData = new NSMutableData()) {
#if XAMCORE_2_0 // FromData => Create
using (var id = CGImageDestination.Create(destData, GoodUti, 1)) {
#else
using (var id = CGImageDestination.FromData(destData, GoodUti, 1)) {
#endif
Assert.That(id.Handle, Is.Not.EqualTo(IntPtr.Zero), "handle-1");
}
#if XAMCORE_2_0 // FromData => Create
using (var id = CGImageDestination.Create(destData, GoodUti, 1, new CGImageDestinationOptions())) {
#else
using (var id = CGImageDestination.FromData(destData, GoodUti, 1, new CGImageDestinationOptions())) {
#endif
Assert.That(id.Handle, Is.Not.EqualTo(IntPtr.Zero), "handle-2");
}
}
}
public new void Save(Stream stream, ImageFormat format)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
using (var imageData = new NSMutableData())
{
#if !XAMARINMAC
using (var dest = CGImageDestination.FromData(imageData, GetTypeIdentifier(format), frameCount))
#else
using (var dest = CGImageDestination.Create(imageData, GetTypeIdentifier(format), frameCount))
#endif
Save(dest);
using (var ms = imageData.AsStream())
ms.CopyTo(stream);
}
}