com.bugvm.apple.coregraphics.CGFunction Maven / Gradle / Ivy
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/*
* Copyright (C) 2013-2015 RoboVM AB
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.bugvm.apple.coregraphics;
/**/
import java.io.*;
import java.nio.*;
import java.util.*;
import com.bugvm.objc.*;
import com.bugvm.objc.annotation.*;
import com.bugvm.objc.block.*;
import com.bugvm.rt.*;
import com.bugvm.rt.annotation.*;
import com.bugvm.rt.bro.*;
import com.bugvm.rt.bro.annotation.*;
import com.bugvm.rt.bro.ptr.*;
import com.bugvm.apple.corefoundation.*;
import com.bugvm.apple.foundation.*;
import com.bugvm.apple.uikit.*;
/* */
/**/
/* */
/**/@Library("CoreGraphics")/* */
/**/public/* */ class /**/CGFunction/* */
extends /**/CFType/* */
/**//* */ {
/**/public static class CGFunctionPtr extends Ptr {}/* */
public interface Evaluate {
void evaluate(float[] inData, float[] outData);
}
static class Info {
long domainDimension;
long rangeDimension;
Evaluate evaluate;
}
/**/static { Bro.bind(CGFunction.class); }/* */
/**//* */
private static java.util.concurrent.atomic.AtomicLong infoId = new java.util.concurrent.atomic.AtomicLong();
private static final LongMap infos = new LongMap<>();
private static final java.lang.reflect.Method cbEvaluate;
private static final java.lang.reflect.Method cbReleaseInfo;
static {
try {
cbEvaluate = CGFunction.class.getDeclaredMethod("cbEvaluate", long.class, FloatPtr.class, FloatPtr.class);
cbReleaseInfo = CGFunction.class.getDeclaredMethod("cbReleaseInfo", long.class);
} catch (Throwable e) {
throw new Error(e);
}
}
/**/
protected CGFunction() {}
/* */
/**//* */
/**//* */
public static CGFunction create(long domainDimension, double[] domain, long rangeDimension, double[] range, Evaluate evaluate) {
return create(domainDimension, domain, domain != null ? domain.length : 0,
rangeDimension, range, range != null ? range.length : 0, evaluate);
}
public static CGFunction create(long domainDimension, float[] domain, long rangeDimension, float[] range, Evaluate evaluate) {
return create(domainDimension, domain, domain != null ? domain.length : 0,
rangeDimension, range, range != null ? range.length : 0, evaluate);
}
private static CGFunction create(long domainDimension, Object domain, int domainLength,
long rangeDimension, Object range, int rangeLength, Evaluate evaluate) {
if (domain != null && domainLength != 2 * domainDimension) {
throw new IllegalArgumentException("domain.length != 2 * domainDimension");
}
if (range != null && rangeLength != 2 * rangeDimension) {
throw new IllegalArgumentException("range.length != 2 * rangeDimension");
}
if (evaluate == null) {
throw new NullPointerException("callback");
}
MachineSizedFloatPtr domainPtr = null;
if (domain != null) {
domainPtr = Struct.allocate(MachineSizedFloatPtr.class, domainLength);
if (domain instanceof double[]) {
domainPtr.set((double[]) domain);
} else {
domainPtr.set((float[]) domain);
}
}
MachineSizedFloatPtr rangePtr = null;
if (range != null) {
rangePtr = Struct.allocate(MachineSizedFloatPtr.class, rangeLength);
if (range instanceof double[]) {
rangePtr.set((double[]) range);
} else {
rangePtr.set((float[]) range);
}
}
Info info = new Info();
info.domainDimension = domainDimension;
info.rangeDimension = rangeDimension;
info.evaluate = evaluate;
CGFunctionCallbacks callbacks = new CGFunctionCallbacks();
callbacks.setEvaluate(new FunctionPtr(cbEvaluate));
callbacks.setReleaseInfo(new FunctionPtr(cbReleaseInfo));
long infoId = CGFunction.infoId.getAndIncrement();
CGFunction result = create(infoId, domainDimension, domainPtr, rangeDimension, rangePtr, callbacks);
if (result != null) {
synchronized (infos) {
infos.put(infoId, info);
}
}
return result;
}
@Callback
private static void cbEvaluate(@Pointer long infoId, FloatPtr inDataPtr, FloatPtr outDataPtr) {
Info info = null;
synchronized (infos) {
info = infos.get(infoId);
}
float[] inData = inDataPtr.toFloatArray((int) info.domainDimension);
float[] outData = new float[(int) info.rangeDimension];
info.evaluate.evaluate(inData, outData);
outDataPtr.set(outData);
}
@Callback
private static void cbReleaseInfo(@Pointer long infoId) {
synchronized (infos) {
infos.remove(infoId);
}
}
/**/
/**
* @since Available in iOS 2.0 and later.
*/
@Bridge(symbol="CGFunctionGetTypeID", optional=true)
public static native @MachineSizedUInt long getClassTypeID();
/**
* @since Available in iOS 2.0 and later.
*/
@Bridge(symbol="CGFunctionCreate", optional=true)
private static native @com.bugvm.rt.bro.annotation.Marshaler(CFType.NoRetainMarshaler.class) CGFunction create(@Pointer long info, @MachineSizedUInt long domainDimension, MachineSizedFloatPtr domain, @MachineSizedUInt long rangeDimension, MachineSizedFloatPtr range, CGFunctionCallbacks callbacks);
/* */
}