private void drawString(IBrush brush, float x, float y)
{
using (NSMutableAttributedString str = new NSMutableAttributedString(_text))
{
NSRange range = new NSRange(0, _text.Length);
var foreColor = brush.Color;
using (CGColor color = new CGColor(foreColor.R / 255f, foreColor.G / 255f, foreColor.B / 255f, foreColor.A / 255f))
{
str.SetAttributes(new CTStringAttributes
{
Font = ((IOSFont)_config.Font).InnerFont,
ForegroundColor = color
}, range);
using (CTFramesetter frameSetter = new CTFramesetter(str))
using (CGPath path = new CGPath())
{
NSRange fitRange;
CGSize size = frameSetter.SuggestFrameSize(range, null, new CGSize(_maxWidth, _height), out fitRange);
path.AddRect(new CGRect(x, y, size.Width, size.Height));
using (var frame = frameSetter.GetFrame(fitRange, path, null))
{
frame.Draw(_context);
}
}
}
}
}
public void DrawString(string s, float x, float y)
{
if (string.IsNullOrEmpty(s))
{
return;
}
using (var astr = new NSMutableAttributedString(s)) {
astr.AddAttributes(_attrs, new NSRange(0, s.Length));
using (var fs = new CTFramesetter(astr)) {
using (var path = new CGPath()) {
var h = _lastFont.Size * 2;
path.AddRect(new NativeRect(0, 0, s.Length * h, h));
using (var f = fs.GetFrame(new NSRange(0, 0), path, null)) {
var line = f.GetLines()[0];
NativeValue a, d, l;
line.GetTypographicBounds(out a, out d, out l);
_c.SaveState();
_c.TranslateCTM(x, h + y - d);
_c.ScaleCTM(1, -1);
f.Draw(_c);
_c.RestoreState();
}
}
}
}
}
public SizeF MeasureString(string text, Alignment alignment, int maxWidth = int.MaxValue)
{
//todo: support alignment
var key = new TextMeasureKey(text, InnerFont, maxWidth);
return(_measurements.GetOrAdd(key, k =>
{
using (NSMutableAttributedString str = new NSMutableAttributedString(text))
{
NSRange range = new NSRange(0, k.Text.Length);
str.SetAttributes(new CTStringAttributes
{
Font = k.Font,
}, range);
using (CTFramesetter frameSetter = new CTFramesetter(str))
{
NSRange fitRange;
CGSize size = frameSetter.SuggestFrameSize(range, null, new CGSize(k.MaxWidth, float.MaxValue), out fitRange);
return new SizeF((float)size.Width, (float)size.Height);
}
}
}));
}
partial void MeasureStringImp(string text, Font font, StringFormat format, SizeF frameSz, ref SizeF ret)
{
var attributedString = CreateAttributedString(text, font, format, null);
using (var framesetter = new CTFramesetter(attributedString))
{
NSRange fitRange;
ret = framesetter.SuggestFrameSize(new NSRange(0, 0), null, frameSz.ToCGSize(), out fitRange).ToSizeF();
}
}
void TextChanged ()
{
SetNeedsDisplay ();
ClearPreviousLayoutInformation ();
attributedString = new NSAttributedString (Text, attributes);
framesetter = new CTFramesetter (attributedString);
UIBezierPath path = UIBezierPath.FromRect (Bounds);
frame = framesetter.GetFrame (new NSRange (0, 0), path.CGPath, null);
}
public override void Draw(CoreGraphics.CGRect rect)
{
base.Draw(rect);
if (_path == null)
{
return;
}
using (CGContext g = UIGraphics.GetCurrentContext()) {
//set up drawing attributes
g.SetLineWidth(1);
UIColor.Clear.SetFill();
UIColor.Clear.SetStroke();
var attrString = new NSMutableAttributedString(" ");
if (_text != null)
{
attrString = new NSMutableAttributedString(_text);
}
// We'll Set the justification to center so it'll
// print the number in the center of the erect
CTParagraphStyle alignStyle = new CTParagraphStyle(new CTParagraphStyleSettings {
Alignment = _textAligment //CTTextAlignment.Left
});
// Calculate the range of the attributed string
NSRange stringRange = new NSRange(0, attrString.Length);
var font = new CTFont(_fontName, _fontSize);
// Add style attributes to the attributed string
attrString.AddAttributes(new CTStringAttributes {
Font = font,
ParagraphStyle = alignStyle,
ForegroundColor = Foreground.CGColor
}, stringRange);
// Create a container for the attributed string
using (var framesetter = new CTFramesetter(attrString)) {
using (var frame = framesetter.GetFrame(stringRange, _path, null)) {
g.SaveState();
g.TranslateCTM(0, TextHeight);
g.ScaleCTM(1, -1);
//g.RotateCTM (0.2f );
frame.Draw(g);
g.RestoreState();
}
}
}
}
void ClearPreviousLayoutInformation ()
{
if (framesetter != null) {
framesetter.Dispose ();
framesetter = null;
}
if (frame != null) {
frame.Dispose ();
frame = null;
}
}
[Test] // #4677
public void GetPathTest()
{
using (var framesetter = new CTFramesetter(new NSAttributedString("Testing, testing, 1, 2, 3..."))) {
using (var frame = framesetter.GetFrame(new NSRange(0, 0), new CGPath(), null)) {
using (var f = frame.GetPath()) {
}
using (var f = frame.GetPath()) {
Console.WriteLine(f.BoundingBox);
}
}
}
}
public void CTTypesetterCreateTest()
{
TestRuntime.AssertXcodeVersion(10, 0);
using (var framesetter = new CTFramesetter(new NSAttributedString("Testing, testing, 1, 2, 3...")))
using (var type = framesetter.GetTypesetter())
using (var newFrame = CTFramesetter.Create(type)) {
Assert.NotNull(type, "Create");
var type2 = newFrame.GetTypesetter();
Assert.NotNull(type, "type2");
Assert.AreEqual(type.Handle, type2.Handle, "Same typesetter");
}
}
void TextChanged()
{
SetNeedsDisplay();
ClearPreviousLayoutInformation();
attributedString = new NSAttributedString(Text, attributes);
framesetter = new CTFramesetter(attributedString);
UIBezierPath path = UIBezierPath.FromRect(Bounds);
frame = framesetter.GetFrame(new NSRange(0, 0), path.CGPath, null);
}
private void DrawTemperatureNumber(double degree, double increase)
{
using (var font = new CTFont("Verdana", 10))
using (var context = UIGraphics.GetCurrentContext()) {
UIColor.Clear.SetFill();
CGRect erect = new CGRect(increase - 15, (.7 * sViewHeight) + 20, 30, 20);
// Fill and stroke the the circle first so the
// number will be drawn on top of the circle
// using (var path = new CGPath()) {
// path.AddEllipseInRect (erect);
// context.AddPath (path);
// context.DrawPath (CGPathDrawingMode.FillStroke);
// }
// Then draw the number 'on top of' the circle
using (var path = new CGPath())
using (var attrString = new NSMutableAttributedString(degree.ToString())) {
// We'll Set the justification to center so it'll
// print the number in the center of the erect
CTParagraphStyle alignStyle = new CTParagraphStyle(new CTParagraphStyleSettings {
Alignment = CTTextAlignment.Center
});
// Calculate the range of the attributed string
NSRange stringRange = new NSRange(0, attrString.Length);
// Add style attributes to the attributed string
attrString.AddAttributes(new CTStringAttributes {
Font = font,
ParagraphStyle = alignStyle,
ForegroundColor = UIColor.Red.CGColor
}, stringRange);
// Create a container for the attributed string
using (var framesetter = new CTFramesetter(attrString)) {
erect.Y = -erect.Y;
path.AddRect(erect);
using (var frame = framesetter.GetFrame(stringRange, path, null)) {
context.SaveState();
context.TranslateCTM((nfloat)0, erect.Height);
context.ScaleCTM(1, -1);
frame.Draw(context);
context.RestoreState();
}
}
}
}
}
public static RectangleF GetTextSize(CTFramesetter frameSetter, CGPath path)
{
var frame = frameSetter.GetFrame(new NSRange(0, 0), path, null);
if (frame != null)
{
var textSize = GetTextSize(frame);
frame.Dispose();
return(textSize);
}
return(new RectangleF(0, 0, 0, 0));
}
void ClearPreviousLayoutInformation()
{
if (framesetter != null)
{
framesetter.Dispose();
framesetter = null;
}
if (frame != null)
{
frame.Dispose();
frame = null;
}
}
static CTFrame CreateFrame(LayoutInfo li)
{
if (string.IsNullOrEmpty(li.Text))
{
return(null);
}
using (CTFramesetter framesetter = new CTFramesetter(CreateAttributedString(li))) {
CGPath path = new CGPath();
path.AddRect(new RectangleF(0, 0, li.Width ?? float.MaxValue, li.Height ?? float.MaxValue));
return(framesetter.GetFrame(new NSRange(0, li.Text.Length), path, null));
}
}
static CTFrame CreateFrame(LayoutInfo li)
{
if (string.IsNullOrEmpty(li.Text))
{
return(null);
}
using (CTFramesetter framesetter = new CTFramesetter(CreateAttributedString(li))) {
CGPath path = new CGPath();
bool ellipsize = li.Width.HasValue && li.TextTrimming == TextTrimming.WordElipsis;
path.AddRect(new CGRect(0, 0, li.Width.HasValue && !ellipsize ? li.Width.Value : float.MaxValue, li.Height ?? float.MaxValue));
return(framesetter.GetFrame(new NSRange(0, li.Text.Length), path, null));
}
}
partial void DrawStringImp(string s, Font font, Brush brush, RectangleF frame, StringFormat format)
{
var attributedString = CreateAttributedString(s, font, format, brush);
if (format != null && (format.horizontalAlignment != StringAlignment.Near || format.verticalAlignment != StringAlignment.Near))
{
using (var framesetter = new CTFramesetter(attributedString))
{
NSRange fitRange;
var sz = framesetter.SuggestFrameSize(new NSRange(0, 0), null, frame.Size.ToCGSize(), out fitRange);
RectangleF newFrame = new RectangleF(new PointF(), sz.ToSizeF());
if (format.horizontalAlignment == StringAlignment.Near)
{
newFrame.X = frame.X;
}
else if (format.horizontalAlignment == StringAlignment.Center)
{
newFrame.X = (float)(frame.Left + frame.Right - sz.Width) / 2;
}
else if (format.horizontalAlignment == StringAlignment.Far)
{
newFrame.X = (float)(frame.Right - sz.Width);
}
if (format.verticalAlignment == StringAlignment.Near)
{
newFrame.Y = frame.Y;
}
else if (format.verticalAlignment == StringAlignment.Center)
{
newFrame.Inflate(0, 1);
newFrame.Y = (float)(frame.Top + frame.Bottom - sz.Height) / 2;
}
else if (format.verticalAlignment == StringAlignment.Far)
{
newFrame.Y = (float)(frame.Bottom - sz.Height);
}
attributedString.DrawString(newFrame.ToCGRect());
}
}
else
{
attributedString.DrawString(frame.ToCGRect());
}
}
public void Runs()
{
using (var mas = new NSMutableAttributedString("Bonjour"))
using (var rd = new CTRunDelegate(new MyOps())) {
var sa = new CTStringAttributes()
{
RunDelegate = rd,
};
mas.SetAttributes(sa, new NSRange(3, 3));
using (var fs = new CTFramesetter(mas)) {
Assert.True(MyOps.Ascent, "Ascent called");
Assert.True(MyOps.Descent, "Descent called");
Assert.True(MyOps.Width, "Width called");
}
}
}
public SizeF MeasureString(string text, int maxWidth = int.MaxValue)
{
using (NSMutableAttributedString str = new NSMutableAttributedString(text))
{
NSRange range = new NSRange(0, text.Length);
str.SetAttributes(new CTStringAttributes
{
Font = InnerFont,
}, range);
using (CTFramesetter frameSetter = new CTFramesetter(str))
{
NSRange fitRange;
CGSize size = frameSetter.SuggestFrameSize(range, null, new CGSize(maxWidth, float.MaxValue), out fitRange);
return(new SizeF((float)size.Width, (float)size.Height));
}
}
}
NativeSize StringSize(string str, int startIndex, int length)
{
if (str == null || length <= 0)
{
return(NativeSize.Empty);
}
using (var astr = new NSMutableAttributedString(str)) {
astr.AddAttributes(attrs, new NSRange(startIndex, length));
using (var fs = new CTFramesetter(astr)) {
using (var path = new CGPath()) {
path.AddRect(new NativeRect(0, 0, 30000, attrs.Font.XHeightMetric * 10));
using (var f = fs.GetFrame(new NSRange(startIndex, length), path, null)) {
var line = f.GetLines() [0];
NativeValue a, d, l;
var tw = line.GetTypographicBounds(out a, out d, out l);
return(new NativeSize((float)tw, (a + d) * 1.2f));
}
}
}
}
}
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));
}
}
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 "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 "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 "CGColorConverter":
var cvt = new CGColorConverterTriple () {
Space = CGColorSpace.CreateGenericRgb (),
Intent = CGColorRenderingIntent.Default,
Transform = CGColorConverterTransformType.ApplySpace
};
return new CGColorConverter (null, cvt, cvt, cvt);
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, CTFontOptions.Default);
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 ("Arial", 24)
}));
case "CTFrame":
var framesetter = new CTFramesetter (new NSAttributedString ("Hello, world",
new CTStringAttributes () {
ForegroundColorFromContext = true,
Font = new CTFont ("Arial", 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 ("Arial", 24)
}));
case "CTGlyphInfo":
return new CTGlyphInfo ("Zapfino", new CTFont ("Arial", 24), "Foo");
case "CTLine":
return new CTLine (new NSAttributedString ("Hello, world",
new CTStringAttributes () {
ForegroundColorFromContext = true,
Font = new CTFont ("Arial", 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);
#if !__TVOS__
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 ();
#endif
case "CFString":
return new CFString ("test");
case "DispatchQueue":
return new DispatchQueue ("com.example.subsystem.taskXYZ");
case "DispatchGroup":
return DispatchGroup.Create ();
case "CGColorSpace":
return CGColorSpace.CreateAcesCGLinear ();
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":
CMClockError ce;
CMClock clock = CMClock.CreateAudioClock (out ce);
if (ce == CMClockError.None)
return clock;
throw new InvalidOperationException (string.Format ("Could not create the new instance for type {0}.", t.Name));
case "CMTimebase":
clock = CMClock.CreateAudioClock (out ce);
if (ce == CMClockError.None) {
return new CMTimebase (clock);
}
throw new InvalidOperationException (string.Format ("Could not create the new instance for type {0}.", t.Name));
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 "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));
}
}
public override void Draw(CGRect rect)
{
var framesetter = new CTFramesetter(AttributedText);
var path = new CGPath();
path.AddRect(new CGRect(0, 0, Bounds.Size.Width, Bounds.Size.Height));
var totalFrame = framesetter.GetFrame(new NSRange(0, 0), path, null);
var context = UIGraphics.GetCurrentContext();
context.TextMatrix = CGAffineTransform.MakeIdentity();
context.TranslateCTM(0, Bounds.Size.Height);
context.ScaleCTM(1.0f, -1.0f);
var lines = totalFrame.GetLines();
var lineCount = lines.Length;
var origins = new CGPoint[lineCount];
totalFrame.GetLineOrigins(new NSRange(0, 0), origins);
for (var index = 0; index < lineCount; index++)
{
var line = lines[index];
foreach (var run in line.GetGlyphRuns())
{
var attributes = run.GetAttributes();
var borderColor = attributes.Dictionary[RoundedBorders];
var backgroundColor = attributes.Dictionary[RoundedBackground];
if (backgroundColor == null && borderColor == null)
{
continue;
}
var x = line.GetOffsetForStringIndex(run.StringRange.Location, out var _) + whiteSpaceOffset;
var y = origins[index].Y - (tokenHeight * 0.7);
var tokenPath = UIBezierPath.FromRoundedRect(new CGRect(
x: x, y: y,
width: run.GetTypographicBounds(new NSRange(0, 0), out var _, out var _, out var _) - whiteSpaceOffset,
height: tokenHeight
), tokenCornerRadius);
context.AddPath(tokenPath.CGPath);
if (backgroundColor != null)
{
var color = (UIColor)backgroundColor;
context.SetFillColor(color.CGColor);
context.DrawPath(CGPathDrawingMode.Fill);
var circle = UIBezierPath.FromRoundedRect(new CGRect(
x: x + circlePadding,
y: y + circleYOffset,
width: circleDiameter,
height: circleDiameter
), circleRadius);
context.AddPath(circle.CGPath);
context.SetFillColor(color.ColorWithAlpha(1.0f).CGColor);
context.DrawPath(CGPathDrawingMode.Fill);
}
else
{
var color = ((UIColor)borderColor).CGColor;
context.SetStrokeColor(color);
context.DrawPath(CGPathDrawingMode.Stroke);
}
}
}
path.Dispose();
totalFrame.Dispose();
framesetter.Dispose();
}
void drawLabel (CGContext ctx, CGRect rect, nfloat yCoord, nfloat xCoord, UITextAlignment alignment, string label, bool flipContext = true, bool centerVertical = false)
{
// Draw light the sunrise and Sunset labels at the ends of the light box
using (UIColor fontColor = UIColor.White, shadowColor = UIColor.Black.ColorWithAlpha (0.1f)) {
var fontAttributes = new UIFontAttributes (new UIFontFeature (CTFontFeatureNumberSpacing.Selector.ProportionalNumbers));
using (var desc = UIFont.SystemFontOfSize (fontSize).FontDescriptor.CreateWithAttributes (fontAttributes)) {
using (UIFont font = UIFont.FromDescriptor (desc, fontSize)) {
// calculating the range of our attributed string
var range = new NSRange (0, label.Length);
// set justification for text block
using (var alignStyle = new NSMutableParagraphStyle { Alignment = alignment }) {
// add stylistic attributes to out attributed string
var stringAttributes = new UIStringAttributes {
ForegroundColor = fontColor,
Font = font,
ParagraphStyle = alignStyle
};
var target = new CGSize (float.MaxValue, float.MaxValue);
NSRange fit;
using (NSMutableAttributedString attrString = new NSMutableAttributedString (label, stringAttributes)) {
//creating a container for out attributed string
using (CTFramesetter framesetter = new CTFramesetter (attrString)) {
CGSize frameSize = framesetter.SuggestFrameSize (range, null, target, out fit);
if (alignment == UITextAlignment.Center) xCoord -= (frameSize.Width / 2);
if (alignment == UITextAlignment.Right) xCoord -= frameSize.Width;
// subtract the frameSize so the flipped context behaves as expected
yCoord -= frameSize.Height;
if (centerVertical) yCoord += (frameSize.Height / 2);
var textRect = new CGRect (xCoord, yCoord, frameSize.Width, frameSize.Height);
using (CGPath path = new CGPath ()) {
path.AddRect (textRect);
ctx.SetShadow (new CGSize (0.0f, 1.0f), 0.0f, shadowColor.CGColor);
using (CTFrame frame = framesetter.GetFrame (range, path, null)) {
if (flipContext) {
ctx.SaveState ();
ctx.TranslateCTM (0, rect.Height);
ctx.ScaleCTM (1, -1);
frame.Draw (ctx);
ctx.RestoreState ();
} else {
frame.Draw (ctx);
}
}
}
}
}
}
}
}
}
}
void drawLabel(CGContext ctx, CGRect rect, nfloat yCoord, nfloat xCoord, CTTextAlignment alignment, UIColor color, string label, bool flipContext = true)
{
Console.WriteLine("Finish Draw code");
var attrString = new NSMutableAttributedString (label);
var range = new NSRange (0, attrString.Length);
var uiFont = UIFont.FromName("HelveticaNeue-Medium", range.Length > 1 ? 15 : 22);
var font = new CTFont (uiFont.Name, uiFont.PointSize); //((uiFont.Name as NSString) as CFString, uiFont.pointSize, nil);
var path = new CGPath ();
var alignStyle = new CTParagraphStyle (new CTParagraphStyleSettings { Alignment = alignment });
var attributes = new CTStringAttributes {
Font = font,
ForegroundColor = color.CGColor,
ParagraphStyle = alignStyle
};
attrString.SetAttributes(attributes, new NSRange (0, attrString.Length));
var target = new CGSize (nfloat.MaxValue, nfloat.MaxValue);
var fit = new NSRange (0, 0);
var framesetter = new CTFramesetter (attrString);
var frameSize = framesetter.SuggestFrameSize(range, null, target, out fit);
var textRect = new CGRect (xCoord - (frameSize.Width / 2), yCoord - (frameSize.Height / 2), frameSize.Width, frameSize.Height);
path.AddRect(textRect);
var frame = framesetter.GetFrame(range, path, null);
if (flipContext) {
ctx.SaveState();
ctx.TranslateCTM(0, rect.Height);
ctx.ScaleCTM(1, -1);
frame.Draw(ctx);
ctx.RestoreState();
} else {
frame.Draw(ctx);
}
}
public SizeF GetStringSize(
string value,
string fontName,
float fontSize,
HorizontalAlignment horizontalAlignment,
VerticalAlignment verticalAlignment)
{
float factor = 1;
while (fontSize > 10)
{
fontSize /= 10;
factor *= 10;
}
var path = new CGPath();
path.AddRect(new Drawing.RectangleF(0, 0, 512, 512));
path.CloseSubpath();
var attributedString = new NSMutableAttributedString(value);
var attributes = new CTStringAttributes();
// Load the font
var font = NativeFontService.Instance.LoadFont(fontName ?? SystemFontName, fontSize);
attributes.Font = font;
// Set the horizontal alignment
var paragraphSettings = new CTParagraphStyleSettings();
switch (horizontalAlignment)
{
case HorizontalAlignment.Left:
paragraphSettings.Alignment = CTTextAlignment.Left;
break;
case HorizontalAlignment.Center:
paragraphSettings.Alignment = CTTextAlignment.Center;
break;
case HorizontalAlignment.Right:
paragraphSettings.Alignment = CTTextAlignment.Right;
break;
case HorizontalAlignment.Justified:
paragraphSettings.Alignment = CTTextAlignment.Justified;
break;
}
var paragraphStyle = new CTParagraphStyle(paragraphSettings);
attributes.ParagraphStyle = paragraphStyle;
// Set the attributes for the complete length of the string
attributedString.SetAttributes(attributes, new NSRange(0, value.Length));
// Create the frame setter with the attributed string.
var frameSetter = new CTFramesetter(attributedString);
var textBounds = GetTextSize(frameSetter, path);
//Logger.Debug("{0} {1}",vSize,aString);
frameSetter.Dispose();
attributedString.Dispose();
paragraphStyle.Dispose();
//font.Dispose();
path.Dispose();
textBounds.Width *= factor;
textBounds.Height *= factor;
//size.Width = Math.Ceiling(vSize.Width);
//size.Height = Math.Ceiling(vSize.Height);
return(textBounds.Size);
}
public SizeF GetStringSize(string aString, string aFontName, float aFontSize, HorizontalAlignment aHorizontalAlignment, VerticalAlignment aVerticalAlignment)
{
var fontSize = aFontSize;
float factor = 1;
while (fontSize > 10)
{
fontSize /= 10;
factor *= 10;
}
var vPath = new CGPath();
vPath.AddRect(new CGRect(0, 0, 512, 512));
vPath.CloseSubpath();
var vAttributedString = new NSMutableAttributedString(aString);
var vAttributes = new CTStringAttributes();
// Load the font
var vFont = NativeFontService.Instance.LoadFont(aFontName ?? _systemFontName, (float)fontSize);
vAttributes.Font = vFont;
// Set the horizontal alignment
var vParagraphSettings = new CTParagraphStyleSettings();
switch (aHorizontalAlignment)
{
case HorizontalAlignment.Left:
vParagraphSettings.Alignment = CTTextAlignment.Left;
break;
case HorizontalAlignment.Center:
vParagraphSettings.Alignment = CTTextAlignment.Center;
break;
case HorizontalAlignment.Right:
vParagraphSettings.Alignment = CTTextAlignment.Right;
break;
case HorizontalAlignment.Justified:
vParagraphSettings.Alignment = CTTextAlignment.Justified;
break;
}
var vParagraphStyle = new CTParagraphStyle(vParagraphSettings);
vAttributes.ParagraphStyle = vParagraphStyle;
// Set the attributes for the complete length of the string
vAttributedString.SetAttributes(vAttributes, new NSRange(0, aString.Length));
// Create the framesetter with the attributed string.
var vFrameSetter = new CTFramesetter(vAttributedString);
var textBounds = GetTextSize(vFrameSetter, vPath);
//Logger.Debug("{0} {1}",vSize,aString);
vFrameSetter.Dispose();
vAttributedString.Dispose();
vParagraphStyle.Dispose();
//vFont.Dispose();
vPath.Dispose();
textBounds.Width *= factor;
textBounds.Height *= factor;
//vSize.Width = Math.Ceiling(vSize.Width);
//vSize.Height = Math.Ceiling(vSize.Height);
return(textBounds.Size);
}
NativeSize StringSize (string str, int startIndex, int length)
{
if (str == null || length <= 0) return NativeSize.Empty;
using (var astr = new NSMutableAttributedString (str)) {
astr.AddAttributes (attrs, new NSRange (startIndex, length));
using (var fs = new CTFramesetter (astr)) {
using (var path = new CGPath ()) {
path.AddRect (new NativeRect (0, 0, 30000, attrs.Font.XHeightMetric * 10));
using (var f = fs.GetFrame (new NSRange (startIndex, length), path, null)) {
var line = f.GetLines () [0];
NativeValue a, d, l;
var tw = line.GetTypographicBounds (out a, out d, out l);
return new NativeSize ((float)tw, (a + d) * 1.2f);
}
}
}
}
}
public void DrawString (string s, float x, float y)
{
if (string.IsNullOrEmpty (s))
return;
using (var astr = new NSMutableAttributedString (s)) {
astr.AddAttributes (_attrs, new NSRange (0, s.Length));
using (var fs = new CTFramesetter (astr)) {
using (var path = new CGPath ()) {
var h = _lastFont.Size * 2;
path.AddRect (new NativeRect (0, 0, s.Length * h, h));
using (var f = fs.GetFrame (new NSRange (0, 0), path, null)) {
var line = f.GetLines () [0];
NativeValue a, d, l;
line.GetTypographicBounds (out a, out d, out l);
_c.SaveState ();
_c.TranslateCTM (x, h + y - d);
_c.ScaleCTM (1, -1);
f.Draw (_c);
_c.RestoreState ();
}
}
}
}
// var c = _color;
// SetColor (Colors.Black);
// DrawRect (x, y, 100, _lastFont.Size, 1);
// SetColor (c);
}
void drawLabel(CGContext ctx, CGRect rect, nfloat yCoord, nfloat xCoord, UITextAlignment alignment, string label, bool flipContext = true, bool centerVertical = false)
{
// Draw light the sunrise and Sunset labels at the ends of the light box
using (UIColor fontColor = UIColor.White, shadowColor = UIColor.Black.ColorWithAlpha(0.1f)) {
var fontAttributes = new UIFontAttributes(new UIFontFeature(CTFontFeatureNumberSpacing.Selector.ProportionalNumbers));
using (var desc = UIFont.SystemFontOfSize(fontSize).FontDescriptor.CreateWithAttributes(fontAttributes)) {
using (UIFont font = UIFont.FromDescriptor(desc, fontSize)) {
// calculating the range of our attributed string
var range = new NSRange(0, label.Length);
// set justification for text block
using (var alignStyle = new NSMutableParagraphStyle {
Alignment = alignment
}) {
// add stylistic attributes to out attributed string
var stringAttributes = new UIStringAttributes {
ForegroundColor = fontColor,
Font = font,
ParagraphStyle = alignStyle
};
var target = new CGSize(float.MaxValue, float.MaxValue);
NSRange fit;
using (NSMutableAttributedString attrString = new NSMutableAttributedString(label, stringAttributes)) {
//creating a container for out attributed string
using (CTFramesetter framesetter = new CTFramesetter(attrString)) {
CGSize frameSize = framesetter.SuggestFrameSize(range, null, target, out fit);
if (alignment == UITextAlignment.Center)
{
xCoord -= (frameSize.Width / 2);
}
if (alignment == UITextAlignment.Right)
{
xCoord -= frameSize.Width;
}
// subtract the frameSize so the flipped context behaves as expected
yCoord -= frameSize.Height;
if (centerVertical)
{
yCoord += (frameSize.Height / 2);
}
var textRect = new CGRect(xCoord, yCoord, frameSize.Width, frameSize.Height);
using (CGPath path = new CGPath()) {
path.AddRect(textRect);
ctx.SetShadow(new CGSize(0.0f, 1.0f), 0.0f, shadowColor.CGColor);
using (CTFrame frame = framesetter.GetFrame(range, path, null)) {
if (flipContext)
{
ctx.SaveState();
ctx.TranslateCTM(0, rect.Height);
ctx.ScaleCTM(1, -1);
frame.Draw(ctx);
ctx.RestoreState();
}
else
{
frame.Draw(ctx);
}
}
}
}
}
}
}
}
}
}
public override void Draw (RectangleF rect)
{
// Initialize a graphics context and set the text matrix to a known value
var context = UIGraphics.GetCurrentContext ();
context.TextMatrix = CGAffineTransform.MakeScale (1f, -1f);
var value = "This is the string that will be split across " +
ColumnCount + " columns. This code brought to you by " +
"ECMA 334, ECMA 335 and the Mono Team at Novell.";
var framesetter = new CTFramesetter (new NSAttributedString (value));
var paths = CreateColumns ();
var startIndex = 0;
for (int i = 0; i < paths.Length; ++i) {
var path = paths [i];
// Create a frame for this column and draw it
using (var frame = framesetter.GetFrame (new NSRange (startIndex, 0), path, null)) {
frame.Draw (context);
var frameRange = frame.GetVisibleStringRange ();
startIndex += frameRange.Length;
}
}
}
public override void Draw (RectangleF rect)
{
Console.WriteLine ("# Draw: rect={{X={0}, Y={1}, Width={2}, Height={3}}}", rect.X, rect.Y, rect.Width, rect.Height);
// Initialize a graphics context and set the text matrix to a known value
var context = UIGraphics.GetCurrentContext ();
// context.TextMatrix = CGAffineTransform.MakeIdentity ();
context.TextMatrix = CGAffineTransform.MakeScale (1f, -1f);
// initialize a rectangular path
var path = new CGPath ();
// path.AddRect (new RectangleF (10.0f, 10.0f, 200.0f, 30.0f));
path.AddRect (rect);
RectangleF r;
Console.WriteLine ("path.IsRect={0}; Width={1}, Height={2}", path.IsRect (out r), r.Width, r.Height);
// initialize an attributed string
var attrString = new NSMutableAttributedString ("We hold this truth to be self evident, that everyone is created equal.");
// use a red font for the first 50 chars
attrString.AddAttributes(new CTStringAttributes () {
ForegroundColor = new CGColor (
CGColorSpace.CreateDeviceRGB(),
new[]{1.0f, 0.0f, 0.0f, 0.8f}
),
}, new NSRange (0, 50));
// Create the framesetter with the attributed string
using (var framesetter = new CTFramesetter (attrString)) {
NSRange fitRange;
var size = framesetter.SuggestFrameSize (new NSRange (), null, new SizeF (200f, 200f), out fitRange);
Console.WriteLine ("fitRange.Location={0}; fitRange.Length={1}", fitRange.Location, fitRange.Length);
Console.WriteLine ("Size: Width={0}; Height={1}", size.Width, size.Height);
// Create the frame and draw it into the graphics context
using (var frame = framesetter.GetFrame (new NSRange (0, 70), path, null))
frame.Draw (context);
context.ShowText ("hello, world!");
}
}
