怎么在Android中实现一个裁剪人脸类？相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。
成都创新互联是创新、创意、研发型一体的综合型网站建设公司，自成立以来公司不断探索创新，始终坚持为客户提供满意周到的服务，在本地打下了良好的口碑，在过去的十多年时间我们累计服务了上千家以及全国政企客户，如
OPP胶袋等企业单位，完善的项目管理流程，严格把控项目进度与质量监控加上过硬的技术实力获得客户的一致称赞。
人脸裁剪类
public final class FaceCj {
private static BitmapFactory.Options BitmapFactoryOptionsbfo;
private static ByteArrayOutputStream out;
private static byte[] data;
private static FaceDetector.Face[] myFace;
private static FaceDetector myFaceDetect;
private static int tx = 0;
private static int ty = 0;
private static int bx = 0;
private static int by = 0;
private static int width = 0;
private static int height = 0;
private static float wuchax = 0;
private static float wuchay = 0;
private static FaceDetector.Face face;
private static PointF myMidPoint;
private static float myEyesDistance;
private static List facePaths;
private static String facePath;
public static Bitmap cutFace(Bitmap bitmap, Context context) {
facePaths = null;
BitmapFactoryOptionsbfo = new BitmapFactory.Options();
BitmapFactoryOptionsbfo.inPreferredConfig = Bitmap.Config.RGB_565; // 构造位图生成的参数，必须为565。类名+enum
out = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 50, out);
data = out.toByteArray();
bitmap = BitmapFactory.decodeByteArray(data, 0, data.length,
BitmapFactoryOptionsbfo);
try {
out.flush();
out.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
width = bitmap.getWidth();
height = bitmap.getHeight();
myFace = new FaceDetector.Face[5]; // 分配人脸数组空间
myFaceDetect = new FaceDetector(bitmap.getWidth(), bitmap.getHeight(), 5);
int numberOfFaceDetected = myFaceDetect.findFaces(bitmap, myFace);
if (numberOfFaceDetected <= 0) {// FaceDetector构造实例并解析人脸
bitmap.recycle();
return null;
}
facePaths = new ArrayList();
for (int i = 0; i < numberOfFaceDetected; i++) {
face = myFace[i];
myMidPoint = new PointF();
face.getMidPoint(myMidPoint);
myEyesDistance = face.eyesDistance(); //得到人脸中心点和眼间距离参数，并对每个人脸进行画框
wuchax = myEyesDistance / 2 + myEyesDistance;
wuchay = myEyesDistance * 2 / 3 + myEyesDistance;
if (myMidPoint.x - wuchax < 0) {//判断左边是否出界
tx = 0;
} else {
tx = (int) (myMidPoint.x - wuchax);
}
if (myMidPoint.x + wuchax > width) {//判断右边是否出界
bx = width;
} else {
bx = (int) (myMidPoint.x + wuchax);
}
if (myMidPoint.y - wuchay < 0) {//判断上边是否出界
ty = 0;
} else {
ty = (int) (myMidPoint.y - wuchay);
}
if (myMidPoint.y + wuchay > height) {//判断下边是否出界
by = height;
} else {
by = (int) (myMidPoint.y + wuchay);
}
try {
return Bitmap.createBitmap(bitmap, tx, ty, bx - tx, by - ty);//这里可以自行调整裁剪宽高
} catch (Exception e) {
e.printStackTrace();
}
}
bitmap.recycle();
return bitmap;
}
}看完上述内容，你们掌握怎么在Android中实现一个裁剪人脸类的方法了吗？如果还想学到更多技能或想了解更多相关内容，欢迎关注创新互联行业资讯频道，感谢各位的阅读！
网站题目：怎么在Android中实现一个裁剪人脸类-创新互联
分享地址：
http://cdkjz.cn/article/eghop.html
