public static CGFont CreateFromProvider(CGDataProvider provider)
{
// the API accept a `nil` argument but returns `nil`, we take a shortcut (no native call)
// and have a unit tests to make sure this behavior does not change over time
if (provider == null)
{
return(null);
}
return(new CGFont(CGFontCreateWithDataProvider(provider.Handle), true));
}
public static CGColorSpace CreateICCProfile(nfloat[] range, CGDataProvider profile, CGColorSpace alternate)
#endif
{
nint nComponents = range == null ? 0 : range.Length / 2;
IntPtr p = profile == null ? IntPtr.Zero : profile.Handle;
IntPtr a = alternate == null ? IntPtr.Zero : alternate.Handle;
var ptr = CGColorSpaceCreateICCBased(nComponents, range, p, a);
return(ptr == IntPtr.Zero ? null : new CGColorSpace(ptr, 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));
}
public static CGImage CreateMask(int width, int height, int bitsPerComponent, int bitsPerPixel, int bytesPerRow, CGDataProvider provider, nfloat [] decode, bool shouldInterpolate)
{
if (width < 0)
{
throw new ArgumentException("width");
}
if (height < 0)
{
throw new ArgumentException("height");
}
if (bitsPerPixel < 0)
{
throw new ArgumentException("bitsPerPixel");
}
if (bytesPerRow < 0)
{
throw new ArgumentException("bytesPerRow");
}
var handle = CGImageMaskCreate(width, height, bitsPerComponent, bitsPerPixel, bytesPerRow, provider == null ? IntPtr.Zero : provider.Handle, decode, shouldInterpolate);
if (handle == IntPtr.Zero)
{
return(null);
}
return(new CGImage(handle, true));
}
public static CGColorSpace CreateIccProfile(nfloat[] range, CGDataProvider profile, CGColorSpace alternate)
public static CGColorSpace CreateIccData(CGDataProvider provider)
{
return(CreateIccData(provider.GetHandle()));
}
public CGPDFDocument(CGDataProvider provider)
: base(CGPDFDocumentCreateWithProvider(Runtime.ThrowOnNull(provider, nameof(provider)).Handle), true)
{
}
