static CGColorSpace CreateDeviceRGB ()
{
if (deviceRGB != null)
return deviceRGB;
deviceRGB = CGColorSpace.CreateDeviceRGB ();
return deviceRGB;
}
public CGGradient(CGColorSpace colorspace, float [] components, float [] locations)
{
if (colorspace == null)
throw new ArgumentNullException ("colorspace");
if (components == null)
throw new ArgumentNullException ("components");
handle = CGGradientCreateWithColorComponents (colorspace.handle, components, locations, components.Length / (colorspace.Components+1));
}
public CGColor(CGColorSpace colorspace, float [] components)
{
if (components == null)
throw new ArgumentNullException ("components");
if (colorspace == null)
throw new ArgumentNullException ("colorspace");
if (colorspace.handle == IntPtr.Zero)
throw new ObjectDisposedException ("colorspace");
handle = CGColorCreate (colorspace.handle, components);
}
public static CGShading CreateAxial(CGColorSpace colorspace, PointF start, PointF end, CGFunction function, bool extendStart, bool extendEnd)
{
if (colorspace == null)
throw new ArgumentNullException ("colorspace");
if (colorspace.Handle == IntPtr.Zero)
throw new ObjectDisposedException ("colorspace");
if (function == null)
throw new ArgumentNullException ("function");
if (function.Handle == IntPtr.Zero)
throw new ObjectDisposedException ("function");
return new CGShading (CGShadingCreateAxial (colorspace.Handle, start, end, function.Handle, extendStart, extendEnd));
}
public static CGColorSpace CreateIndexed(CGColorSpace baseSpace, int lastIndex, byte[] colorTable)
{
return new CGColorSpace (CGColorSpaceCreateIndexed (baseSpace == null ? IntPtr.Zero : baseSpace.handle, lastIndex, colorTable), true);
}
public static CGColorSpace CreatePattern(CGColorSpace baseSpace)
{
return new CGColorSpace (CGColorSpaceCreatePattern (baseSpace == null ? IntPtr.Zero : baseSpace.handle), true);
}
public CGImage CreateCGImage (CIImage image, System.Drawing.RectangleF fromRect, CIFormat ciImageFormat, CGColorSpace colorSpace)
{
return CreateCGImage (image, fromRect, CIImage.CIFormatToInt (ciImageFormat), colorSpace);
}
public CGBitmapContext(byte [] data, int width, int height, int bitsPerComponent, int bytesPerRow, CGColorSpace colorSpace, CGBitmapFlags bitmapInfo)
: base(CGBitmapContextCreate(data, (UIntPtr)width, (UIntPtr)height, (UIntPtr)bitsPerComponent, (UIntPtr)bytesPerRow, colorSpace.handle, (uint)bitmapInfo), true)
{
}
public CGImage WithColorSpace(CGColorSpace cs)
{
return(new CGImage(CGImageCreateCopyWithColorSpace(handle, cs.handle), true));
}
public CGImage WithColorSpace (CGColorSpace cs)
{
return new CGImage (CGImageCreateCopyWithColorSpace (handle, cs.handle), true);
}
public CGBitmapContext(IntPtr data, int width, int height, int bitsPerComponent, int bytesPerRow, CGColorSpace colorSpace, CGImageAlphaInfo bitmapInfo)
: base(CGBitmapContextCreate (data, (UIntPtr) width, (UIntPtr) height, (UIntPtr) bitsPerComponent, (UIntPtr) bytesPerRow, colorSpace.handle, (uint) bitmapInfo), true)
{
}
public void SetFillColorSpace (CGColorSpace space)
{
CGContextSetFillColorSpace (handle, space.handle);
}
public static CIImage FromCGImage (CGImage image, CGColorSpace colorSpace)
{
if (colorSpace == null)
throw new ArgumentNullException ("colorSpace");
using (var arr = NSArray.FromIntPtrs (new IntPtr [] { colorSpace.Handle })){
using (var keys = NSArray.FromIntPtrs (new IntPtr [] { CIImageColorSpaceKey.Handle } )){
using (var dict = NSDictionary.FromObjectsAndKeysInternal (arr, keys)){
return FromCGImage (image, dict);
}
}
}
}
public static CGColorSpace CreatePattern(CGColorSpace baseSpace)
{
return(new CGColorSpace(CGColorSpaceCreatePattern(baseSpace == null ? IntPtr.Zero : baseSpace.handle), true));
}
public static CGColorSpace CreateIndexed(CGColorSpace baseSpace, int lastIndex, byte[] colorTable)
{
return(new CGColorSpace(CGColorSpaceCreateIndexed(baseSpace == null ? IntPtr.Zero : baseSpace.handle, new IntPtr(lastIndex), colorTable), true));
}
public CGColor(CGColorSpace colorspace, CGPattern pattern, float [] components)
{
if (colorspace == null)
throw new ArgumentNullException ("colorspace");
if (colorspace.handle == IntPtr.Zero)
throw new ObjectDisposedException ("colorspace");
if (pattern == null)
throw new ArgumentNullException ("pattern");
if (components == null)
throw new ArgumentNullException ("components");
handle = CGColorCreateWithPattern (colorspace.handle, pattern.handle, components);
if (handle == IntPtr.Zero)
throw new ArgumentException ();
}
public CGGradient (CGColorSpace colorspace, CGColor [] colors)
{
if (colors == null)
throw new ArgumentNullException ("colors");
IntPtr csh = colorspace == null ? IntPtr.Zero : colorspace.handle;
using (var array = CFArray.FromNativeObjects (colors))
handle = CGGradientCreateWithColors (csh, array.Handle, null);
}
public void SetStrokeColorSpace (CGColorSpace space)
{
CGContextSetStrokeColorSpace (handle, space.handle);
}
public void SetFillColorSpace(CGColorSpace space)
{
CGContextSetFillColorSpace(handle, space.handle);
}
public void SetStrokeColorSpace(CGColorSpace space)
{
CGContextSetStrokeColorSpace(handle, space.handle);
}
public CGImage (int width, int height, int bitsPerComponent, int bitsPerPixel, int bytesPerRow,
CGColorSpace colorSpace, CGImageAlphaInfo alphaInfo, CGDataProvider provider,
float [] 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");
if (provider == null)
throw new ArgumentNullException ("provider");
handle = CGImageCreate (width, height, bitsPerComponent, bitsPerPixel, bytesPerRow,
colorSpace.Handle, (CGBitmapFlags) alphaInfo, provider.Handle,
decode,
shouldInterpolate, intent);
}
