static public CGColor?CreateByMatchingToColorSpace(CGColorSpace space, CGColorRenderingIntent intent,
CGColor color, NSDictionary options)
{
var h = CGColorCreateCopyByMatchingToColorSpace(space.GetHandle(), intent, color.GetHandle(), options.GetHandle());
return(h == IntPtr.Zero ? null : new CGColor(h, owns: true));
}
public CGImage(nint width, nint height, nint bitsPerComponent, nint bitsPerPixel, nint bytesPerRow,
CGColorSpace colorSpace, CGBitmapFlags bitmapFlags, CGDataProvider provider,
nfloat [] decode, bool shouldInterpolate, CGColorRenderingIntent intent)
{
if (colorSpace == null)
{
throw new ArgumentNullException("colorSpace");
}
if (width < 0)
{
throw new ArgumentException("width");
}
if (height < 0)
{
throw new ArgumentException("height");
}
if (bitsPerPixel < 0)
{
throw new ArgumentException("bitsPerPixel");
}
if (bitsPerComponent < 0)
{
throw new ArgumentException("bitsPerComponent");
}
if (bytesPerRow < 0)
{
throw new ArgumentException("bytesPerRow");
}
handle = CGImageCreate(new IntPtr(width), new IntPtr(height), new IntPtr(bitsPerComponent),
new IntPtr(bitsPerPixel), new IntPtr(bytesPerRow),
colorSpace.Handle, bitmapFlags, provider == null ? IntPtr.Zero : provider.Handle,
decode,
shouldInterpolate, intent);
}
public CGImage(int width, int height, int bitsPerComponent, int bitsPerPixel, int bytesPerRow,
CGColorSpace colorSpace, CGImageAlphaInfo alphaInfo, CGDataProvider provider,
nfloat [] decode, bool shouldInterpolate, CGColorRenderingIntent intent)
{
if (width < 0)
{
throw new ArgumentException("width");
}
if (height < 0)
{
throw new ArgumentException("height");
}
if (bitsPerPixel < 0)
{
throw new ArgumentException("bitsPerPixel");
}
if (bitsPerComponent < 0)
{
throw new ArgumentException("bitsPerComponent");
}
if (bytesPerRow < 0)
{
throw new ArgumentException("bytesPerRow");
}
handle = CGImageCreate(width, height, bitsPerComponent, bitsPerPixel, bytesPerRow,
colorSpace == null ? IntPtr.Zero : colorSpace.Handle, (CGBitmapFlags)alphaInfo, provider == null ? IntPtr.Zero : provider.Handle,
decode,
shouldInterpolate, intent);
}
extern static IntPtr CGImageCreate(IntPtr size_t_width, IntPtr size_t_height, IntPtr size_t_bitsPerComponent,
IntPtr size_t_bitsPerPixel, IntPtr size_t_bytesPerRow,
IntPtr /* CGColorSpaceRef */ space,
CGBitmapFlags bitmapInfo,
IntPtr /* CGDataProviderRef */ provider,
nfloat [] decode,
bool shouldInterpolate,
CGColorRenderingIntent intent);
static CGColor CreateByMatchingToColorSpace(CGColorSpace space, CGColorRenderingIntent intent,
CGColor color, NSDictionary options)
{
var h = CGColorCreateCopyByMatchingToColorSpace(space == null ? IntPtr.Zero : space.Handle, intent,
color == null ? IntPtr.Zero : color.Handle, options == null ? IntPtr.Zero : options.Handle);
return(h == IntPtr.Zero ? null : new CGColor(h));
}
partial void ScreenButton_down(UIButton sender)
{
if (!isScreen)
{
ScreenshotView.Hidden = false;
ScreenBtn.SetTitle("Hide screen", UIControlState.Normal);
isScreen = true;
int val = 1920 * 1080 * 4 + 8; //ARGB 1920x1080 + 8(iosspecific)
IntPtr b = Marshal.AllocHGlobal(val);
int val1 = -1; //return realsize after getvideoshot
int val2 = -1; //return realsize after getvideoshot
int val3 = 0; //return realsize after getvideoshot
int rc = _mediaPlayer.GetVideoShot(b, ref val, ref val1, ref val2, ref val3);
if (rc == -2)
{
System.Console.WriteLine(String.Format("<binary> rc: {0} , not enough space allocated", rc));
Marshal.FreeHGlobal(b);
return;
}
else if (rc == -1)
{
System.Console.WriteLine(String.Format("<binary> rc: {0} , error", rc));
Marshal.FreeHGlobal(b);
return;
}
CGDataProvider provider = new CGDataProvider(b, val);
int bitsPerComponent = 8;
int bitsPerPixel = 32;
int bytesPerRow = val3;
CGColorSpace colorspaceref = CGColorSpace.CreateDeviceRGB();
CGBitmapFlags bitmapinfo = CGBitmapFlags.ByteOrder32Little | CGBitmapFlags.NoneSkipFirst;
CGColorRenderingIntent renderintent = CGColorRenderingIntent.Default;
CGImage imageref = new CGImage(val1, val2, bitsPerComponent, bitsPerPixel, val3, colorspaceref, bitmapinfo, provider, null, true, renderintent);
UIImage img = new UIImage(imageref);
ScrenShotImageView.Image = img;
Marshal.FreeHGlobal(b);
}
else
{
ScreenBtn.SetTitle("Screen", UIControlState.Normal);
ScreenshotView.Hidden = true;
isScreen = false;
}
}
extern static /* CGImageRef */ IntPtr CGImageCreateWithPNGDataProvider (/* CGDataProviderRef */ IntPtr source, /* CGFloat[] */ nfloat [] decode, bool shouldInterpolate, CGColorRenderingIntent intent);
public void SetRenderingIntent(CGColorRenderingIntent intent)
{
CGContextSetRenderingIntent(handle, intent);
}
extern static void CGContextSetRenderingIntent(IntPtr context, CGColorRenderingIntent intent);
extern static /* CGImageRef */ IntPtr CGImageCreateWithJPEGDataProvider(/* CGDataProviderRef */ IntPtr source,
/* CGFloat[] */ nfloat [] decode, bool shouldInterpolate, CGColorRenderingIntent intent);
extern static IntPtr CGImageCreate(int size_t_width, int size_t_height, int size_t_bitsPerComponent, int size_t_bitsPerPixel, int size_t_bytesPerRow, IntPtr /* CGColorSpaceRef */ space, CGBitmapFlags bitmapInfo, IntPtr /* CGDataProviderRef */ provider, float [] decode, bool shouldInterpolate, CGColorRenderingIntent intent);
extern static /* CGImageRef */ IntPtr CGImageCreateWithPNGDataProvider(/* CGDataProviderRef */ IntPtr source,
/* CGFloat[] */ nfloat [] decode, [MarshalAs(UnmanagedType.I1)] bool shouldInterpolate, CGColorRenderingIntent intent);
extern static /* CGImageRef */ IntPtr CGImageCreate(/* size_t */ nint width, /* size_t */ nint height,
/* size_t */ nint bitsPerComponent, /* size_t */ nint bitsPerPixel, /* size_t */ nint bytesPerRow,
/* CGColorSpaceRef */ IntPtr space, CGBitmapFlags bitmapInfo, /* CGDataProviderRef */ IntPtr provider,
/* CGFloat[] */ nfloat [] decode, [MarshalAs(UnmanagedType.I1)] bool shouldInterpolate, CGColorRenderingIntent intent);
extern static IntPtr CGImageCreateWithPNGDataProvider(IntPtr /*CGDataProviderRef*/ source,
nfloat [] decode, bool shouldInterpolate,
CGColorRenderingIntent intent);
extern static IntPtr CGImageCreateWithPNGDataProvider(IntPtr /*CGDataProviderRef*/ source, float [] decode, bool shouldInterpolate, CGColorRenderingIntent intent);
public CGImage (int width, int height, int bitsPerComponent, int bitsPerPixel, int bytesPerRow,
CGColorSpace colorSpace, CGImageAlphaInfo alphaInfo, CGDataProvider provider,
nfloat [] decode, bool shouldInterpolate, CGColorRenderingIntent intent)
{
if (width < 0)
throw new ArgumentException ("width");
if (height < 0)
throw new ArgumentException ("height");
if (bitsPerPixel < 0)
throw new ArgumentException ("bitsPerPixel");
if (bitsPerComponent < 0)
throw new ArgumentException ("bitsPerComponent");
if (bytesPerRow < 0)
throw new ArgumentException ("bytesPerRow");
handle = CGImageCreate (width, height, bitsPerComponent, bitsPerPixel, bytesPerRow,
colorSpace == null ? IntPtr.Zero : colorSpace.Handle, (CGBitmapFlags) alphaInfo, provider == null ? IntPtr.Zero : provider.Handle,
decode,
shouldInterpolate, intent);
}
extern static /* CGImageRef */ IntPtr CGImageCreate (/* size_t */ nint width, /* size_t */ nint height, /* size_t */ nint bitsPerComponent, /* size_t */ nint bitsPerPixel, /* size_t */ nint bytesPerRow, /* CGColorSpaceRef */ IntPtr space, CGBitmapFlags bitmapInfo, /* CGDataProviderRef */ IntPtr provider, /* CGFloat[] */ nfloat [] decode, bool shouldInterpolate, CGColorRenderingIntent intent);
public static CGImage FromPNG (CGDataProvider provider, float [] decode, bool shouldInterpolate, CGColorRenderingIntent intent)
{
if (provider == null)
throw new ArgumentNullException ("provider");
var handle = CGImageCreateWithPNGDataProvider (provider.Handle, decode, shouldInterpolate, intent);
if (handle == IntPtr.Zero)
return null;
return new CGImage (handle, true);
}
static extern IntPtr CGColorConverterCreate(/* __nullable CFDictionaryRef */ IntPtr options,
/* CGColorSpaceRef __nullable */ IntPtr space1, CGColorConverterTransformType transform1, CGColorRenderingIntent intent1,
/* CGColorSpaceRef __nullable */ IntPtr space2, CGColorConverterTransformType transform2, CGColorRenderingIntent intent2,
/* CGColorSpaceRef __nullable */ IntPtr space3, CGColorConverterTransformType transform3, CGColorRenderingIntent intent3,
IntPtr lastSpaceMarker);
public static CGImage FromJPEG(CGDataProvider provider, nfloat [] decode, bool shouldInterpolate, CGColorRenderingIntent intent)
{
if (provider == null)
{
throw new ArgumentNullException("provider");
}
var handle = CGImageCreateWithJPEGDataProvider(provider.Handle, decode, shouldInterpolate, intent);
if (handle == IntPtr.Zero)
{
return(null);
}
return(new CGImage(handle, true));
}
public static CGImage FromPNG (CGDataProvider provider, nfloat [] decode, bool shouldInterpolate, CGColorRenderingIntent intent)
{
var handle = CGImageCreateWithPNGDataProvider (provider == null ? IntPtr.Zero : provider.Handle, decode, shouldInterpolate, intent);
if (handle == IntPtr.Zero)
return null;
return new CGImage (handle, true);
}
static extern /* CGColorRef __nullable */ IntPtr CGColorCreateCopyByMatchingToColorSpace(
/* __nullable CGColorSpaceRef* */ IntPtr space, CGColorRenderingIntent intent,
/* CGColorRef __nullable */ IntPtr color, /* __nullable CFDictionaryRef */ IntPtr options);
static extern /* CGColorRef __nullable */ IntPtr CGColorCreateCopyByMatchingToColorSpace ( /* __nullable CGColorSpaceRef* */ IntPtr space, CGColorRenderingIntent intent, /* CGColorRef __nullable */ IntPtr color, /* __nullable CFDictionaryRef */ IntPtr options);
extern static /* CGColorConversionInfoRef __nullable */ IntPtr CGColorConversionInfoCreateFromList(/* __nullable CFDictionaryRef */ IntPtr options,
/* CGColorSpaceRef __nullable */ IntPtr space1, CGColorConversionInfoTransformType transform1, CGColorRenderingIntent intent1,
/* CGColorSpaceRef __nullable */ IntPtr space2, CGColorConversionInfoTransformType transform2, CGColorRenderingIntent intent2,
/* CGColorSpaceRef __nullable */ IntPtr space3, CGColorConversionInfoTransformType transform3, CGColorRenderingIntent intent3,
IntPtr lastSpaceMarker);
static CGColor CreateByMatchingToColorSpace (CGColorSpace space, CGColorRenderingIntent intent,
CGColor color, NSDictionary options)
{
var h = CGColorCreateCopyByMatchingToColorSpace (space == null ? IntPtr.Zero : space.Handle, intent,
color == null ? IntPtr.Zero : color.Handle, options == null ? IntPtr.Zero : options.Handle);
return h == IntPtr.Zero ? null : new CGColor (h);
}
extern static void CGContextSetRenderingIntent(IntPtr context, CGColorRenderingIntent intent);
public void SetRenderingIntent (CGColorRenderingIntent intent)
{
CGContextSetRenderingIntent (handle, intent);
}
public static CGImage FromPNG(CGDataProvider provider, nfloat [] decode, bool shouldInterpolate, CGColorRenderingIntent intent)
{
var handle = CGImageCreateWithPNGDataProvider(provider == null ? IntPtr.Zero : provider.Handle, decode, shouldInterpolate, intent);
if (handle == IntPtr.Zero)
{
return(null);
}
return(new CGImage(handle, true));
}
CGImage NewCGImage(int width, int height, int bitsPerComponent, int bitsPerPixel, int bytesPerRow, CGColorSpace colorSpace, CGBitmapFlags bitmapFlags, CGDataProvider provider, nfloat[] decode, bool shouldInterpolate, CGColorRenderingIntent intent)
{
var image = new CGImage(width, height, bitsPerComponent, bitsPerPixel, bytesPerRow, colorSpace, bitmapFlags, dataProvider, decode, shouldInterpolate, intent);
if (image == null)
{
var e = new ArgumentException("Failed to create CGImage");
e.Data["width"] = width;
e.Data["height"] = height;
e.Data["bitsPerComponent"] = bitsPerComponent;
e.Data["bitsPerPixel"] = bitsPerPixel;
e.Data["bytesPerRow"] = bytesPerRow;
e.Data["colorSpace"] = colorSpace;
e.Data["bitmapFlags"] = bitmapFlags;
e.Data["dataProvider"] = dataProvider;
e.Data["decode"] = decode;
e.Data["shouldInterpolate"] = shouldInterpolate;
e.Data["intent"] = intent;
}
return(image);
}
