zhao.algorithmMagic.io.InputCameraBuilder Maven / Gradle / Ivy
package zhao.algorithmMagic.io;
import com.github.sarxos.webcam.Webcam;
import com.github.sarxos.webcam.WebcamResolution;
import zhao.algorithmMagic.exception.OperatorOperationException;
import zhao.algorithmMagic.operands.table.Cell;
import zhao.algorithmMagic.operands.table.FinalCell;
import java.util.HashMap;
/**
* 摄像头设备输入建造者对象
*
* @author 赵凌宇
* 2023/4/5 14:28
*/
public class InputCameraBuilder extends HashMap> implements InputBuilder {
/**
* 拍照时需要使用的摄像头索引，索引对应的value应是一个数值或字符串，如果时数值将当作索引处理，如果时字符串将当作摄像头名称处理。
*/
public final static String Camera_Index = "Camera";
/**
* 拍照时需要使用的图像拍照格式，格式对应的值应是一个字符串。
*/
public final static String Image_Format = "ImageFormat";
/**
* 图像拍照大小尺寸对象，格式对应的值可以直接是 WebcamResolution 类的属性。
*/
public final static String CUSTOM_VIEW_SIZES = "CustomViewSizes";
public WebcamResolution webcamResolution = WebcamResolution.VGA;
/**
* 添加数据输入描述，不同的组件有不同的配置属性，具体可以参阅实现类。
*
* Add data input descriptions, and different components have different configuration properties. Please refer to the implementation class for details.
*
* @param key 属性名称
*
* Attribute Name.
* @param value 属性数值
*
* Attribute Value.
* @return 链式调用，继续构建
*
* Chain call, continue building.
*/
@Override
public InputBuilder addInputArg(String key, Cell value) {
if (CUSTOM_VIEW_SIZES.equals(key)) {
return this.setViewSize(WebcamResolution.valueOf(value.toString()));
}
this.put(key, value);
return this;
}
/**
* @param WebcamResolution 图像拍照大小尺寸对象
* @return 链式调用，继续构建
*
* Chain call, continue building.
*/
public InputBuilder setViewSize(WebcamResolution WebcamResolution) {
this.webcamResolution = WebcamResolution;
return this;
}
/**
* 将所需的对象构建出来并获取到对应的输入设备对象。
*
* @return 输入设备对象。
*/
@Override
public InputComponent create() {
Cell cell = this.get(Camera_Index);
Webcam webcam;
if (cell != null) {
if (cell.isNumber()) {
webcam = Webcam.getWebcams().get(cell.getIntValue());
} else {
String s = cell.toString();
if ("def".equals(s)) webcam = Webcam.getDefault();
else webcam = Webcam.getWebcamByName(s);
}
webcam.setViewSize(this.webcamResolution.getSize());
return new InputCamera(webcam, this.getOrDefault(Image_Format, new FinalCell<>("JPG")).toString());
} else {
throw new OperatorOperationException("请您配置摄像头的名称或摄像头索引。\nPlease configure the name or camera index of the camera.");
}
}
}