org.im4java.core.ConvertCmd Java Examples

/**
 * 压缩图片   ---暂时不使用
 *
 * @param orgImg            图片源地址 local or network url.
 * @param destImg           图片输入地址
 * @param destWidth         图片目标宽度
 * @param destHeight        图片目标高度
 * @param isDistortion      是否保留视觉比例，true则强行改变宽高尺寸匹配使用给定的宽和高
 * @param methodChoice      如果使用ImageMagick，设为false,使用GraphicsMagick，就设为true，默认为false
 * @param windowsMagickPath 若系统为windows则，必须指定GraphicsMagick的安装路径，例如：S:/Program Files (x86)/GraphicsMagick-1.3.21-Q8，其他系统为空
 * @return void 输出到目标地址
 */
@Deprecated
public static final void compressImg(String orgImg, String destImg, int destWidth, int destHeight, boolean isDistortion, boolean methodChoice, String windowsMagickPath) throws TSException {
    try {
        IMOperation imop = new IMOperation();  // or IMOperation GMOperation
        imop.addImage(orgImg);
        //图片压缩比，有效值范围是0.0-100.0，数值越大，缩略图越清晰
        imop.quality(75.0);
        //width 和height可以是原图的尺寸，也可以是按比例处理后的尺寸
        if (isDistortion) {
            imop.addRawArgs("-resize", destWidth + "x" + destHeight + "!");
        } else {
            imop.addRawArgs("-resize", destWidth + "x" + destHeight);
        }
        imop.addRawArgs("-gravity", "center");
        imop.addImage(destImg);
        // 如果使用ImageMagick，设为false,使用GraphicsMagick，就设为true，默认为false
        //环境变量ok
        //未安装装GraphicsMagick java.io.FileNotFoundException: gm
        //未安装了ImageMagick java.io.FileNotFoundException: convert
        ConvertCmd convert = new ConvertCmd(methodChoice);
        // linux下不要设置此值，不然会报错
        String os = System.getProperty("os.name").toLowerCase();
        if (os.indexOf("windows") >= 0) {
            String msg = "GraphicsMagick";
            if (!methodChoice) msg = "ImageMagick";
            if (StringUtils.isEmpty(windowsMagickPath)) {
                throw new TSException(TSEDictionary.SYSTEM_EXCEPTION.getCode(), "If the system for Windows, " + msg + "'s path cannot be empty.");
            }
            convert.setSearchPath(windowsMagickPath);
        }
        convert.run(imop);
    } catch (Exception e) {
        throw new TSException(TSEDictionary.UNDEFINED_FAIL.getCode(), "Image compress failure." + e.getMessage());
    }
}
 

public void wrapDeviceFrames(String deviceFrame, String deviceScreenToBeFramed,
                             String framedDeviceScreen)
        throws InterruptedException, IOException, IM4JavaException {
    IMOperation op = new IMOperation();
    op.addImage(deviceFrame);
    op.addImage(deviceScreenToBeFramed);
    op.gravity("center");
    op.composite();
    op.opaque("none");
    op.addImage(framedDeviceScreen);
    ConvertCmd cmd = new ConvertCmd();
    cmd.run(op);
}
 

/**
 * Resize images using im4Java
 */
private void saveResizedImage(ResourceDataBean bean, ImageResourceDimension dimension) throws ApsSystemException {
    if (dimension.getIdDim() == 0) {
        // skips element with id zero that shouldn't be resized
        return;
    }
    String imageName = this.getNewInstanceFileName(bean.getFileName(), dimension.getIdDim(), null);
    String subPath = super.getDiskSubFolder() + imageName;
    try {
        this.getStorageManager().deleteFile(subPath, this.isProtectedResource());
        ResourceInstance resizedInstance = new ResourceInstance();
        resizedInstance.setSize(dimension.getIdDim());
        resizedInstance.setFileName(imageName);
        resizedInstance.setMimeType(bean.getMimeType());
        String tempFilePath = System.getProperty("java.io.tmpdir") + File.separator + "temp_" + imageName;
        File tempFile = new File(tempFilePath);
        long realLength = tempFile.length() / 1000;
        resizedInstance.setFileLength(realLength + " Kb");
        this.addInstance(resizedInstance);
        // create command
        ConvertCmd convertCmd = new ConvertCmd();
        //Is it a windows system?
        if (this.isImageMagickWindows()) {
            //yes so configure the path where ImagicMagick is installed
            convertCmd.setSearchPath(this.getImageMagickPath());
        }

        //svg files won't resize correctly via the image processor so save them directly
        if(bean.getMimeType().contains("svg")) {
            FileUtils.copyFile(bean.getFile(), tempFile);
            this.getStorageManager().saveFile(subPath, this.isProtectedResource(), new FileInputStream(tempFile));
        }else {
            // create the operation, add images and operators/options
            IMOperation imOper = new IMOperation();
            imOper.addImage();
            imOper.resize(dimension.getDimx(), dimension.getDimy());
            imOper.addImage();
            convertCmd.run(imOper, bean.getFile().getAbsolutePath(), tempFile.getAbsolutePath());
            this.getStorageManager().saveFile(subPath, this.isProtectedResource(), new FileInputStream(tempFile));
        }

        boolean deleted = tempFile.delete();

        if (!deleted) {
            logger.warn(FAILED_TO_DELETE_TEMP_FILE, tempFile);
        }
    } catch (Throwable t) {
        logger.error("Error creating resource file instance '{}'", subPath, t);
        throw new ApsSystemException("Error creating resource file instance '" + subPath + "'", t);
    }
}