资 源 简 介
【核心代码】 public interface CameraSource { static final String LOG_TAG = "camera"; /** * Open the camera source for subsequent use via calls to capture(). * * @return true if the camera source was successfully opened. */ boolean open(); /** * Close the camera source. Calling close on a closed CameraSource is * permitted but has no effect. The camera source may be reopened after * being closed. */ void close(); /** * The width of the captured image. * * @return the width of the capture in pixels */ int getWidth(); /** * The height of the captured image. * * @return the height of the capture in pixels */ int getHeight(); /** * Attempts to render the current camera view onto the supplied canvas. * The capture will be rendered into the rectangle (0,0,width,height). * Outstanding transformations on the canvas may alter this. * * @param canvas the canvas to which the captured pixel data will be written * @return true iff a frame was successfully written to the canvas */ boolean capture(Canvas canvas); boolean saveImage(String savePath, String fileName); }
