public IImage LoadImage(Stream stream)
{
var mem = new MemoryStream((int)stream.Length);
stream.CopyTo(mem);
unsafe {
#if NET45
fixed(byte *x = mem.GetBuffer())
#else
ArraySegment <byte> segment;
if (!mem.TryGetBuffer(out segment))
{
throw new Exception("Could not get buffer from stream.");
}
fixed(byte *x = segment.Array)
#endif
{
var provider = new CGDataProvider(new IntPtr(x), (int)mem.Length, false);
var image = CGImage.FromPNG(provider, null, false, CGColorRenderingIntent.Default)
?? CGImage.FromJPEG(provider, null, false, CGColorRenderingIntent.Default);
return(new CGImageImage(image, 1));
}
}
}
public override void LoadTexture(Texture t)
{
string path = NSBundle.MainBundle.PathForResource(Path.GetFileNameWithoutExtension(t.Name), "png");
CGDataProvider dataProvider = null;
CGImage image = null;
try
{
dataProvider = CGDataProvider.FromFile(path);
image = CGImage.FromPNG(dataProvider, null, false, CGColorRenderingIntent.Default);
LoadTextureFromImage(t, image);
}
catch (Exception)
{
t.Failed = true;
return;
}
finally
{
if (dataProvider != null)
{
dataProvider.Dispose();
}
if (image != null)
{
image.Dispose();
}
}
}
// Angle For The Quad ( NEW )
public Scene() : base()
{
GL.GenTextures(1, textures);
GL.BindTexture(TextureTarget.Texture2D, textures [0]);
image = CGImage.FromPNG(new CGDataProvider("/tmp/Mono.png"), null, true, CGColorRenderingIntent.Default);
Console.WriteLine(image);
}
public void ImagesTest()
{
string file = Path.Combine(NSBundle.MainBundle.ResourcePath, "basn3p08.png");
using (var dp = new CGDataProvider(file)) {
using (var cgimg = CGImage.FromPNG(dp, null, false, CGColorRenderingIntent.Default)) {
using (var img = new UIImage(cgimg)) {
UIPasteboard.General.Images = new UIImage[] { img };
if (TestRuntime.CheckXcodeVersion(8, 0))
{
Assert.True(UIPasteboard.General.HasImages, "HasImages");
}
// https://github.com/xamarin/xamarin-macios/issues/6254
if (TestRuntime.CheckXcodeVersion(11, 0))
{
return;
}
Assert.AreEqual(1, UIPasteboard.General.Images.Length, "a - length");
UIPasteboard.General.Images = new UIImage[] { img, img };
Assert.AreEqual(2, UIPasteboard.General.Images.Length, "b - length");
Assert.IsNotNull(UIPasteboard.General.Images [0], "b - nonnull[0]");
Assert.IsNotNull(UIPasteboard.General.Images [1], "b - nonnull[0]");
}
}
}
}
public byte[] ImageToBinary(string sImg)
{
CGDataProvider dataProvider = new CGDataProvider(sImg);
var rbitmap = CGImage.FromPNG(dataProvider, null, false, CGColorRenderingIntent.Default);
if (rbitmap == null)
{
return(null);
}
UIImage uiImage = UIImage.FromImage(rbitmap);
if (uiImage == null)
{
return(null);
}
NSData nsData = uiImage.AsPNG();
if (nsData == null)
{
return(null);
}
return(nsData.ToArray());
}
public void Indexed_Provider()
{
string file = Path.Combine(NSBundle.MainBundle.ResourcePath, "basn3p08.png");
using (var dp = new CGDataProvider(file)) {
using (var img = CGImage.FromPNG(dp, null, false, CGColorRenderingIntent.Default)) {
CheckIndexedFile(img);
}
}
}
public void LoadImageSource(string sImg)
{
CGDataProvider dataProvider = new CGDataProvider(sImg);
var rbitmap = CGImage.FromPNG(dataProvider, null, false, CGColorRenderingIntent.Default);
if (rbitmap != null)
{
iOSbitmap = UIImage.FromImage(rbitmap);
}
}
public void FromPNG()
{
string file = Path.Combine(NSBundle.MainBundle.ResourcePath, "basn3p08.png");
using (var dp = CGDataProvider.FromFile(file))
using (var img = CGImage.FromPNG(dp, null, false, CGColorRenderingIntent.Default)) {
Assert.That((int)img.Height, Is.EqualTo(32), "Height");
Assert.That((int)img.Width, Is.EqualTo(32), "Width");
}
}
public void FromPNG ()
{
string file = Path.Combine (NSBundle.MainBundle.ResourcePath, "basn3p08.png");
using (var dp = new CGDataProvider (file))
using (var img = CGImage.FromPNG (dp, null, false, CGColorRenderingIntent.Default))
using (var ui = new UIImage (img, 1.0f, UIImageOrientation.Up)) {
Assert.IsNotNull (ui.CGImage, "CGImage");
if (TestRuntime.CheckXcodeVersion (7, 0))
Assert.That (img.UTType.ToString (), Is.EqualTo ("public.png"), "UTType");
}
}
public static NSImage ToNSImage(this Image img)
{
MemoryStream s = new MemoryStream();
img.Save(s, System.Drawing.Imaging.ImageFormat.Png);
byte[] b = s.ToArray();
CGDataProvider dp = new CGDataProvider(b, 0, (int)s.Length);
s.Flush();
s.Close();
CGImage img2 =
CGImage.FromPNG(dp, null, false, CGColorRenderingIntent.Default);
return(new NSImage(img2, new SizeF(img2.Width, img2.Height)));
}
public IImage LoadImage(string path)
{
var provider = new CGDataProvider(path);
CGImage image;
if (System.IO.Path.GetExtension(path).ToLowerInvariant() == ".png")
{
image = CGImage.FromPNG(provider, null, false, CGColorRenderingIntent.Default);
}
else
{
image = CGImage.FromJPEG(provider, null, false, CGColorRenderingIntent.Default);
}
return(new CGImageImage(image, 1));
}
public IImage LoadImage(Stream stream)
{
var mem = new MemoryStream((int)stream.Length);
stream.CopyTo(mem);
unsafe
{
fixed(byte *x = mem.GetBuffer())
{
var provider = new CGDataProvider(new IntPtr(x), (int)mem.Length, false);
var image = CGImage.FromPNG(provider, null, false, CGColorRenderingIntent.Default);
return(new CGImageImage(image, 1));
}
}
}
private NSImage LoadStream(System.IO.Stream s)
{
using (var ms = new MemoryStream())
{
s.CopyTo(ms);
ms.Flush();
ms.Close();
var b = ms.ToArray();
var dp = new CGDataProvider(b, 0, b.Length);
var img2 = CGImage.FromPNG(dp, null, false, CGColorRenderingIntent.Default);
return(new NSImage(img2, new System.Drawing.SizeF(18, 18)));
}
}
public void Pasteboard_ImagesTest ()
{
string file = Path.Combine (NSBundle.MainBundle.ResourcePath, "basn3p08.png");
using (var dp = new CGDataProvider (file)) {
using (var cgimg = CGImage.FromPNG (dp, null, false, CGColorRenderingIntent.Default)) {
using (var img = new UIImage (cgimg)) {
UIPasteboard.General.Images = new UIImage[] { img };
Assert.AreEqual (1, UIPasteboard.General.Images.Length, "a - length");
UIPasteboard.General.Images = new UIImage[] { img, img };
Assert.AreEqual (2, UIPasteboard.General.Images.Length, "b - length");
Assert.IsNotNull (UIPasteboard.General.Images [0], "b - nonnull[0]");
Assert.IsNotNull (UIPasteboard.General.Images [1], "b - nonnull[0]");
}
}
}
}
public bool ReadFile(String fileName, Mat mat, CvEnum.ImreadModes loadType)
{
try
{
using (CGDataProvider provider = new CGDataProvider(fileName))
using (CGImage tmp = CGImage.FromPNG(provider, null, false, CGColorRenderingIntent.Default))
{
CGImageExtension.ConvertCGImageToArray(tmp, mat, loadType);
}
return(true);
}
catch (Exception e)
{
Debug.WriteLine(e);
//throw;
return(false);
}
}
public BitmapImplementation(Stream stream)
{
byte[] data;
using (var ms = new MemoryStream()) {
stream.CopyTo(ms);
data = ms.ToArray();
}
cgImage = CGImage.FromPNG(new CGDataProvider(data), null, false, CGColorRenderingIntent.Default);
if (cgImage == null)
{
cgImage = CGImage.FromJPEG(new CGDataProvider(data), null, false, CGColorRenderingIntent.Default);
}
var alphaInfo = cgImage.AlphaInfo;
HasAlpha =
alphaInfo != CGImageAlphaInfo.None &&
alphaInfo != CGImageAlphaInfo.NoneSkipFirst &&
alphaInfo != CGImageAlphaInfo.NoneSkipLast;
}
public void InitializationWithCustomMetadata()
{
string file = Path.Combine(NSBundle.MainBundle.ResourcePath, "basn3p08.png");
using (var dp = new CGDataProvider(file)) {
using (var img = CGImage.FromPNG(dp, null, false, CGColorRenderingIntent.Default)) {
var opt = new CIImageInitializationOptionsWithMetadata()
{
Properties = new CGImageProperties()
{
ProfileName = "test profile name"
}
};
using (var ci = new CIImage(img, opt)) {
Assert.AreEqual("test profile name", ci.Properties.ProfileName);
}
}
}
}
public override void LoadTextureStream(Texture t, System.IO.Stream stream)
{
NSData data = null;
CGDataProvider dataProvider = null;
CGImage image = null;
try
{
data = NSData.FromStream(stream);
if (data != null)
{
dataProvider = new CGDataProvider(data);
image = CGImage.FromPNG(dataProvider, null, false, CGColorRenderingIntent.Default);
LoadTextureFromImage(t, image);
}
else
{
t.Failed = true;
return;
}
}
catch (Exception)
{
t.Failed = true;
return;
}
finally
{
if (dataProvider != null)
{
dataProvider.Dispose();
}
if (data != null)
{
data.Dispose();
}
}
}
protected INativeObject GetINativeInstance(Type t)
{
var ctor = t.GetConstructor(Type.EmptyTypes);
if ((ctor != null) && !ctor.IsAbstract)
{
return(ctor.Invoke(null) as INativeObject);
}
if (!NativeObjectInterfaceType.IsAssignableFrom(t))
{
throw new ArgumentException("t");
}
switch (t.Name)
{
case "CFAllocator":
return(CFAllocator.SystemDefault);
case "CFBundle":
var bundles = CFBundle.GetAll();
if (bundles.Length > 0)
{
return(bundles [0]);
}
else
{
throw new InvalidOperationException(string.Format("Could not create the new instance for type {0}.", t.Name));
}
case "CFNotificationCenter":
return(CFNotificationCenter.Darwin);
case "CFReadStream":
case "CFStream":
CFReadStream readStream;
CFWriteStream writeStream;
CFStream.CreatePairWithSocketToHost("www.google.com", 80, out readStream, out writeStream);
return(readStream);
case "CFWriteStream":
CFStream.CreatePairWithSocketToHost("www.google.com", 80, out readStream, out writeStream);
return(writeStream);
case "CFUrl":
return(CFUrl.FromFile("/etc"));
case "CFPropertyList":
return(CFPropertyList.FromData(NSData.FromString("<string>data</string>")).PropertyList);
case "DispatchData":
return(DispatchData.FromByteBuffer(new byte [] { 1, 2, 3, 4 }));
case "AudioFile":
var path = Path.GetFullPath("1.caf");
var af = AudioFile.Open(CFUrl.FromFile(path), AudioFilePermission.Read, AudioFileType.CAF);
return(af);
case "CFHTTPMessage":
return(CFHTTPMessage.CreateEmpty(false));
case "CFMutableString":
return(new CFMutableString("xamarin"));
case "CGBitmapContext":
byte[] data = new byte [400];
using (CGColorSpace space = CGColorSpace.CreateDeviceRGB()) {
return(new CGBitmapContext(data, 10, 10, 8, 40, space, CGBitmapFlags.PremultipliedLast));
}
case "CGContextPDF":
var filename = Environment.GetFolderPath(Environment.SpecialFolder.CommonDocuments) + "/t.pdf";
using (var url = new NSUrl(filename))
return(new CGContextPDF(url));
case "CGColorConversionInfo":
var cci = new GColorConversionInfoTriple()
{
Space = CGColorSpace.CreateGenericRgb(),
Intent = CGColorRenderingIntent.Default,
Transform = CGColorConversionInfoTransformType.ApplySpace
};
return(new CGColorConversionInfo((NSDictionary)null, cci, cci, cci));
case "CGDataConsumer":
using (NSMutableData destData = new NSMutableData()) {
return(new CGDataConsumer(destData));
}
case "CGDataProvider":
filename = "xamarin1.png";
return(new CGDataProvider(filename));
case "CGFont":
return(CGFont.CreateWithFontName("Courier New"));
case "CGPattern":
return(new CGPattern(
new RectangleF(0, 0, 16, 16),
CGAffineTransform.MakeIdentity(),
16, 16,
CGPatternTiling.NoDistortion,
true,
(cgc) => {}));
case "CMBufferQueue":
return(CMBufferQueue.CreateUnsorted(2));
case "CTFont":
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = "Courier",
StyleName = "Bold",
Size = 16.0f
};
using (var fd = new CTFontDescriptor(fda))
return(new CTFont(fd, 10));
case "CTFontCollection":
return(new CTFontCollection(new CTFontCollectionOptions()));
case "CTFontDescriptor":
fda = new CTFontDescriptorAttributes();
return(new CTFontDescriptor(fda));
case "CTTextTab":
return(new CTTextTab(CTTextAlignment.Left, 2));
case "CTTypesetter":
return(new CTTypesetter(new NSAttributedString("Hello, world",
new CTStringAttributes()
{
ForegroundColorFromContext = true,
Font = new CTFont("ArialMT", 24)
})));
case "CTFrame":
var framesetter = new CTFramesetter(new NSAttributedString("Hello, world",
new CTStringAttributes()
{
ForegroundColorFromContext = true,
Font = new CTFont("ArialMT", 24)
}));
var bPath = UIBezierPath.FromRect(new RectangleF(0, 0, 3, 3));
return(framesetter.GetFrame(new NSRange(0, 0), bPath.CGPath, null));
case "CTFramesetter":
return(new CTFramesetter(new NSAttributedString("Hello, world",
new CTStringAttributes()
{
ForegroundColorFromContext = true,
Font = new CTFont("ArialMT", 24)
})));
case "CTGlyphInfo":
return(new CTGlyphInfo("copyright", new CTFont("ArialMY", 24), "Foo"));
case "CTLine":
return(new CTLine(new NSAttributedString("Hello, world",
new CTStringAttributes()
{
ForegroundColorFromContext = true,
Font = new CTFont("ArialMT", 24)
})));
case "CGImageDestination":
var storage = new NSMutableData();
return(CGImageDestination.Create(new CGDataConsumer(storage), "public.png", 1));
case "CGImageMetadataTag":
using (NSString name = new NSString("tagName"))
using (var value = new NSString("value"))
return(new CGImageMetadataTag(CGImageMetadataTagNamespaces.Exif, CGImageMetadataTagPrefixes.Exif, name, CGImageMetadataType.Default, value));
case "CGImageSource":
filename = "xamarin1.png";
return(CGImageSource.FromUrl(NSUrl.FromFilename(filename)));
case "SecPolicy":
return(SecPolicy.CreateSslPolicy(false, null));
case "SecIdentity":
using (var options = NSDictionary.FromObjectAndKey(new NSString("farscape"), SecImportExport.Passphrase)) {
NSDictionary[] array;
var result = SecImportExport.ImportPkcs12(farscape_pfx, options, out array);
if (result != SecStatusCode.Success)
{
throw new InvalidOperationException(string.Format("Could not create the new instance for type {0} due to {1}.", t.Name, result));
}
return(new SecIdentity(array [0].LowlevelObjectForKey(SecImportExport.Identity.Handle)));
}
case "SecTrust":
X509Certificate x = new X509Certificate(mail_google_com);
using (var policy = SecPolicy.CreateSslPolicy(true, "mail.google.com"))
return(new SecTrust(x, policy));
case "SslContext":
return(new SslContext(SslProtocolSide.Client, SslConnectionType.Stream));
case "UIFontFeature":
return(new UIFontFeature(CTFontFeatureNumberSpacing.Selector.ProportionalNumbers));
case "NetworkReachability":
return(new NetworkReachability(IPAddress.Loopback, null));
case "VTCompressionSession":
case "VTSession":
return(VTCompressionSession.Create(1024, 768, CMVideoCodecType.H264, (sourceFrame, status, flags, buffer) => { }, null, (CVPixelBufferAttributes)null));
case "VTFrameSilo":
return(VTFrameSilo.Create());
case "VTMultiPassStorage":
return(VTMultiPassStorage.Create());
case "CFString":
return(new CFString("test"));
case "DispatchBlock":
return(new DispatchBlock(() => { }));
case "DispatchQueue":
return(new DispatchQueue("com.example.subsystem.taskXYZ"));
case "DispatchGroup":
return(DispatchGroup.Create());
case "CGColorSpace":
return(CGColorSpace.CreateDeviceCmyk());
case "CGGradient":
CGColor[] cArray = { UIColor.Black.CGColor, UIColor.Clear.CGColor, UIColor.Blue.CGColor };
return(new CGGradient(null, cArray));
case "CGImage":
filename = "xamarin1.png";
using (var dp = new CGDataProvider(filename))
return(CGImage.FromPNG(dp, null, false, CGColorRenderingIntent.Default));
case "CGColor":
return(UIColor.Black.CGColor);
case "CMClock":
return(CMClock.HostTimeClock);
case "CMTimebase":
return(new CMTimebase(CMClock.HostTimeClock));
case "CVPixelBufferPool":
return(new CVPixelBufferPool(
new CVPixelBufferPoolSettings(),
new CVPixelBufferAttributes(CVPixelFormatType.CV24RGB, 100, 50)
));
case "SecCertificate":
using (var cdata = NSData.FromArray(mail_google_com))
return(new SecCertificate(cdata));
case "SecCertificate2":
using (var cdata = NSData.FromArray(mail_google_com))
return(new SecCertificate2(new SecCertificate(cdata)));
case "SecTrust2":
X509Certificate x2 = new X509Certificate(mail_google_com);
using (var policy = SecPolicy.CreateSslPolicy(true, "mail.google.com"))
return(new SecTrust2(new SecTrust(x2, policy)));
case "SecIdentity2":
using (var options = NSDictionary.FromObjectAndKey(new NSString("farscape"), SecImportExport.Passphrase)) {
NSDictionary[] array;
var result = SecImportExport.ImportPkcs12(farscape_pfx, options, out array);
if (result != SecStatusCode.Success)
{
throw new InvalidOperationException(string.Format("Could not create the new instance for type {0} due to {1}.", t.Name, result));
}
return(new SecIdentity2(new SecIdentity(array [0].LowlevelObjectForKey(SecImportExport.Identity.Handle))));
}
case "SecKey":
SecKey private_key;
SecKey public_key;
using (var record = new SecRecord(SecKind.Key)) {
record.KeyType = SecKeyType.RSA;
record.KeySizeInBits = 512; // it's not a performance test :)
SecKey.GenerateKeyPair(record.ToDictionary(), out public_key, out private_key);
return(private_key);
}
case "SecAccessControl":
return(new SecAccessControl(SecAccessible.WhenPasscodeSetThisDeviceOnly));
default:
throw new InvalidOperationException(string.Format("Could not create the new instance for type {0}.", t.Name));
}
}
/// <summary>
/// Creates a composited image from a list of source images
/// </summary>
/// <param name="paths">The paths of the images, in order of lowest z-index to highest, to composite together</param>
/// <param name="saveLocation">Where to save the composited image</param>
/// <param name="overwrite"><c>true</c> to overwrite an existing file; otherwise <c>false</c>.</param>
public void CreateCompositeImage(List <string> paths, string saveLocation, bool overwrite)
{
if (!overwrite && Device.File.Exists(saveLocation))
{
return;
}
paths = paths.Where(path => path != null && Device.File.Exists(path)).ToList();
if (paths.Count == 0)
{
return;
}
try
{
var metric = System.DateTime.UtcNow;
Device.File.EnsureDirectoryExists(saveLocation);
using (new NSAutoreleasePool())
{
var images = new List <CGImage>(paths.Count);
images.AddRange(paths.Select <string, CGImage>(path => path.EndsWith(".png", StringComparison.InvariantCultureIgnoreCase) ?
CGImage.FromPNG(CGDataProvider.FromFile(path), null, false, CGColorRenderingIntent.Default) :
CGImage.FromJPEG(CGDataProvider.FromFile(path), null, false, CGColorRenderingIntent.Default)));
nint width = images[0].Width;
nint height = images[0].Height;
var bounds = new RectangleF(0, 0, width, height);
CGBitmapContext g = new CGBitmapContext(
System.IntPtr.Zero,
width,
height,
images[0].BitsPerComponent,
images[0].Width * 4,
CGColorSpace.CreateDeviceRGB(),
CGImageAlphaInfo.PremultipliedLast
);
foreach (var cgImage in images)
{
g.DrawImage(bounds, cgImage);
}
lock (padlock)
{
// UIImage.AsPNG() should be safe to run on a background thread, but MT 6.2.6.6 says otherwise.
// Xamarin confirmed that this was unintentional and that MT 6.2.7 will remove the UI check.
UIApplication.CheckForIllegalCrossThreadCalls = false;
NSError err = null;
UIImage.FromImage(g.ToImage()).AsPNG().Save(saveLocation, true, out err);
UIApplication.CheckForIllegalCrossThreadCalls = true;
}
}
Device.Log.Metric("ImageEngine icon creation", System.DateTime.UtcNow.Subtract(metric).TotalMilliseconds);
}
catch (Exception e)
{
Device.Log.Error("An error occurred while compositing the image", e);
}
}
private static CGImage CGImageFromPNGFile(string filename)
{
var provider = new CGDataProvider(filename);
return(CGImage.FromPNG(provider, null, false, CGColorRenderingIntent.AbsoluteColorimetric));
}
