/**
* @throws OSStatusException
* @since Available in iOS 2.0 and later.
*/
public int getPropertySize(Struct<?> specifier) throws OSStatusException {
IntPtr ptr = new IntPtr();
OSStatus status =
getPropertyInfo0(
this,
specifier == null ? 0 : Struct.sizeOf(specifier),
specifier == null ? null : specifier.as(VoidPtr.class),
ptr);
OSStatusException.throwIfNecessary(status);
return ptr.get();
}
/**
* @throws OSStatusException
* @since Available in iOS 2.0 and later.
*/
public <T extends Struct<T>> T getProperty(Struct<?> specifier, Class<T> type)
throws OSStatusException {
T data = Struct.allocate(type);
IntPtr dataSize = new IntPtr(Struct.sizeOf(data));
OSStatus status =
getProperty0(
this,
specifier == null ? 0 : Struct.sizeOf(specifier),
specifier == null ? null : specifier.as(VoidPtr.class),
dataSize,
data.as(VoidPtr.class));
OSStatusException.throwIfNecessary(status);
return data;
}
private void initWithObjects(NSObject[] objects) {
VoidPtr.VoidPtrPtr ptr = Struct.allocate(VoidPtr.VoidPtrPtr.class, objects.length);
for (int i = 0; i < objects.length; i++) {
ptr.set(objects[i].getHandle());
ptr = ptr.next();
}
ptr = ptr.previous(objects.length);
initObject(objc_initWithObjects(this, initWithObjects$count$, ptr.getHandle(), objects.length));
}
public CIVector(double[] values) {
super((SkipInit) null);
if (values == null) {
throw new NullPointerException("values");
}
MachineSizedFloatPtr p = Struct.allocate(MachineSizedFloatPtr.class, values.length);
p.set(values);
initObject(initWithValues$count$(p, values.length));
}
private static CGGradient create(CGColorSpace space, CGColor[] colors, Object locations) {
if (colors == null) {
throw new NullPointerException("colors");
}
try (CFMutableArray colorsArray =
CFMutableArray.createMutable(null, colors.length, CoreFoundation.TypeArrayCallBacks())) {
for (CGColor c : colors) {
colorsArray.appendValue(Struct.toStruct(VoidPtr.class, c.getHandle()));
}
return create(
space,
colorsArray,
locations != null
? VM.getArrayValuesAddress(CoreGraphics.toMachineSizedFloatArray(locations))
: 0);
}
}
public static MKPolyline create(CLLocationCoordinate2D[] coords) {
CLLocationCoordinate2D first = Struct.allocate(CLLocationCoordinate2D.class, coords.length);
first.update(coords);
return create(first, coords.length);
}
/*</members>*/
public static MKPolyline create(MKMapPoint[] points) {
MKMapPoint first = Struct.allocate(MKMapPoint.class, points.length);
first.update(points);
return create(first, points.length);
}
