Examples with JPEGImageEncoder com.sun.image.codec.jpeg.JPEGImageEncoder used on opensource projects

Example 16 with JPEGImageEncoder

use of com.sun.image.codec.jpeg.JPEGImageEncoder in project Java8 by huhuhuHR.

the class OperateImage method mergeBothImageTopleftcorner.

/**
 * 将附加图片合并到底图的左上角
 *
 * @param negativeImagePath
 *            底图路径
 * @param additionImagePath
 *            附加图片路径
 * @param toPath
 *            合成图片写入路径
 * @throws IOException
 */
public void mergeBothImageTopleftcorner(String negativeImagePath, String additionImagePath, String toPath) throws IOException {
    InputStream is = null;
    InputStream is2 = null;
    OutputStream os = null;
    try {
        is = new FileInputStream(negativeImagePath);
        is2 = new FileInputStream(additionImagePath);
        BufferedImage image = ImageIO.read(is);
        BufferedImage image2 = ImageIO.read(is2);
        Graphics g = image.getGraphics();
        g.drawImage(image2, 0, 0, null);
        os = new FileOutputStream(toPath);
        JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
        enc.encode(image);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (os != null) {
            os.close();
        }
        if (is2 != null) {
            is2.close();
        }
        if (is != null) {
            is.close();
        }
    }
}

Example 17 with JPEGImageEncoder

use of com.sun.image.codec.jpeg.JPEGImageEncoder in project Java8 by huhuhuHR.

the class OperateImage method mergeBothImageToprightcorner.

/**
 * 将附加图片合并到底图的右上角
 *
 * @param negativeImagePath
 *            底图路径
 * @param additionImagePath
 *            附加图片路径
 * @param toPath
 *            合成图片写入路径
 * @throws IOException
 */
public void mergeBothImageToprightcorner(String negativeImagePath, String additionImagePath, String toPath) throws IOException {
    InputStream is = null;
    InputStream is2 = null;
    OutputStream os = null;
    try {
        is = new FileInputStream(negativeImagePath);
        is2 = new FileInputStream(additionImagePath);
        BufferedImage image = ImageIO.read(is);
        BufferedImage image2 = ImageIO.read(is2);
        Graphics g = image.getGraphics();
        g.drawImage(image2, image.getWidth() - image2.getWidth(), 0, null);
        os = new FileOutputStream(toPath);
        JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(os);
        enc.encode(image);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (os != null) {
            os.close();
        }
        if (is2 != null) {
            is2.close();
        }
        if (is != null) {
            is.close();
        }
    }
}

Example 18 with JPEGImageEncoder

use of com.sun.image.codec.jpeg.JPEGImageEncoder in project Java8 by huhuhuHR.

the class OperateImage method enlargementImageEqualProportion.

/**
 * 长高等比例放大图片
 *
 * @param srcImagePath
 *            读取图形路径
 * @param toImagePath
 *            写入入行路径
 * @param ratio
 *            放大比例
 * @throws IOException
 */
public void enlargementImageEqualProportion(String srcImagePath, String toImagePath, int ratio) throws IOException {
    FileOutputStream out = null;
    try {
        // 读入文件
        File file = new File(srcImagePath);
        // 构造Image对象
        BufferedImage src = javax.imageio.ImageIO.read(file);
        int width = src.getWidth();
        int height = src.getHeight();
        // 放大边长
        BufferedImage tag = new BufferedImage(width * ratio, height * ratio, BufferedImage.TYPE_INT_RGB);
        // 绘制放大后的图片
        tag.getGraphics().drawImage(src, 0, 0, width * ratio, height * ratio, null);
        out = new FileOutputStream(toImagePath);
        JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
        encoder.encode(tag);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

Example 19 with JPEGImageEncoder

use of com.sun.image.codec.jpeg.JPEGImageEncoder in project Java8 by huhuhuHR.

the class OperateImage method reduceImageEqualProportion.

/**
 * 长高等比例缩小图片
 *
 * @param srcImagePath
 *            读取图片路径
 * @param toImagePath
 *            写入图片路径
 * @param ratio
 *            缩小比例
 * @throws IOException
 */
public void reduceImageEqualProportion(String srcImagePath, String toImagePath, int ratio) throws IOException {
    FileOutputStream out = null;
    try {
        // 读入文件
        File file = new File(srcImagePath);
        // 构造Image对象
        BufferedImage src = javax.imageio.ImageIO.read(file);
        int width = src.getWidth();
        int height = src.getHeight();
        // 缩小边长
        BufferedImage tag = new BufferedImage(width / ratio, height / ratio, BufferedImage.TYPE_INT_RGB);
        // 绘制 缩小 后的图片
        tag.getGraphics().drawImage(src, 0, 0, width / ratio, height / ratio, null);
        out = new FileOutputStream(toImagePath);
        JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
        encoder.encode(tag);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (out != null) {
            out.close();
        }
    }
}