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/*
* Copyright 2020 The Android Open Source Project
*
* 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.
*/
#ifndef ANDROID_GRAPHICS_MATRIX_H
#define ANDROID_GRAPHICS_MATRIX_H
#include <jni.h>
#include <cutils/compiler.h>
#include <sys/cdefs.h>
__BEGIN_DECLS
/**
* Returns an array of floats that represents the 3x3 matrix of the java object.
* @param values The 9 values of the 3x3 matrix in the following order.
* values[0] = scaleX values[1] = skewX values[2] = transX
* values[3] = skewY values[4] = scaleY values[5] = transY
* values[6] = persp0 values[7] = persp1 values[8] = persp2
* @return true if the values param was populated and false otherwise.
*/
ANDROID_API bool AMatrix_getContents(JNIEnv* env, jobject matrixObj, float values[9]);
/**
* Returns a new Matrix jobject that contains the values passed in as initial values.
* @param values The 9 values of the 3x3 matrix in the following order.
* values[0] = scaleX values[1] = skewX values[2] = transX
* values[3] = skewY values[4] = scaleY values[5] = transY
* values[6] = persp0 values[7] = persp1 values[8] = persp2
* @return The matrix jobject
*/
ANDROID_API jobject AMatrix_newInstance(JNIEnv* env, float values[9]);
__END_DECLS
#endif // ANDROID_GRAPHICS_MATRIX_H
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