public static CIImage FromCGImage(CGImage image, CGColorSpace colorSpace)
{
if (colorSpace == null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(colorSpace));
}
using (var arr = NSArray.FromIntPtrs(new [] { colorSpace.Handle })){
using (var keys = NSArray.FromIntPtrs(new [] { CIImageInitializationOptionsKeys.ColorSpaceKey.Handle })){
using (var dict = NSDictionary.FromObjectsAndKeysInternal(arr, keys)){
return(FromCGImage(image, dict));
}
}
}
}
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));
}
}
}
}
internal NSDictionary ToDictionary()
{
int n = 0;
var font = Font;
if (font != null)
{
n++;
}
var text_color = TextColor;
if (text_color != null)
{
n++;
}
var text_shadow_color = TextShadowColor;
if (text_shadow_color != null)
{
n++;
}
var text_shadow_offset = TextShadowOffset;
if (text_shadow_offset.Horizontal != 0 || text_shadow_offset.Vertical != 0)
{
n++;
}
if (n == 0)
{
return(new NSDictionary());
}
var keys = new NSObject [n];
var values = new NSObject [n];
n = 0;
if (font != null)
{
keys [n] = UITextAttributesConstants.Font;
values [n] = font;
n++;
}
if (text_color != null)
{
keys [n] = UITextAttributesConstants.TextColor;
values [n] = text_color;
n++;
}
if (text_shadow_color != null)
{
keys [n] = UITextAttributesConstants.TextShadowColor;
values [n] = text_shadow_color;
n++;
}
if (text_shadow_offset.Horizontal != 0 || text_shadow_offset.Vertical != 0)
{
keys [n] = UITextAttributesConstants.TextShadowOffset;
values [n] = NSValue.FromUIOffset(text_shadow_offset);
}
using (NSArray avalues = NSArray.FromObjects(values),
akeys = NSArray.FromObjects(keys)){
return(NSDictionary.FromObjectsAndKeysInternal(avalues, akeys));
}
}
