Java Code Examples for org.im4java.core.IMOperation#resize()

@Test
public void run_chokes_whenServiceChokes() throws Exception {
    // create command
    final String command = "bad";
    sut = new GMBatchCommand(service, command);
    // create the operation, add images and operators/options
    IMOperation op = new IMOperation();
    op.addImage(SOURCE_IMAGE);
    op.resize(800, 600);
    op.addImage(TARGET_IMAGE);
    final String message = "bad command";
    when(service.execute(anyListOf(String.class))).thenThrow(new GMException(message));
    exception.expect(CommandException.class);
    exception.expectMessage(message);

    // execute the operation
    sut.run(op);
}
 

@Test
@SuppressWarnings("NP_NONNULL_PARAM_VIOLATION")
public void run_chokes_whenErrorConsumerIsNull() throws Exception {
    // create command
    final String command = "bad";
    sut = new GMBatchCommand(service, command);
    // create the operation, add images and operators/options
    IMOperation op = new IMOperation();
    op.addImage(SOURCE_IMAGE);
    op.resize(800, 600);
    op.addImage(TARGET_IMAGE);
    final String message = "bad command";
    when(service.execute(anyListOf(String.class))).thenThrow(new GMException(message));
    exception.expect(CommandException.class);
    exception.expectMessage(message);
    sut.setErrorConsumer(null);

    // execute the operation
    sut.run(op);
}
 

@Test
public void run_sendsCommandToService() throws Exception {
    // create command
    final String command = "convert";
    sut = new GMBatchCommand(service, command);
    // create the operation, add images and operators/options
    IMOperation op = new IMOperation();
    op.addImage(SOURCE_IMAGE);
    op.resize(800, 600);
    op.addImage(TARGET_IMAGE);

    // execute the operation
    sut.run(op);

    verify(service).execute(Arrays.asList(command, SOURCE_IMAGE, "-resize", "800x600", TARGET_IMAGE));
}
 

@Test
@SuppressWarnings("NP_NONNULL_PARAM_VIOLATION")
public void run_works_whenOutputConsumerIsNull() throws Exception {
    // create command
    final String command = "convert";
    sut = new GMBatchCommand(service, command);
    // create the operation, add images and operators/options
    IMOperation op = new IMOperation();
    op.addImage(SOURCE_IMAGE);
    op.resize(800, 600);
    op.addImage(TARGET_IMAGE);
    sut.setOutputConsumer(null);

    // execute the operation
    sut.run(op);

    verify(service).execute(Arrays.asList(command, SOURCE_IMAGE, "-resize", "800x600", TARGET_IMAGE));
}
 

@Test
public void run_handlesBufferedImageAsInput() throws Exception {
    final String command = "convert";
    sut = new GMBatchCommand(service, command);
    BufferedImage image = ImageIO.read(getClass().getResourceAsStream("/a.png"));
    IMOperation op = new IMOperation();
    op.addImage();                        // input
    op.resize(80, 60);
    op.addImage();                        // output

    sut.run(op, image, TARGET_IMAGE);

    @java.lang.SuppressWarnings("unchecked")
    ArgumentCaptor<List<String>> captor = ArgumentCaptor.forClass((Class<List<String>>) (Class<?>) List.class);
    verify(service).execute(captor.capture());
    assertThat(captor.getValue(),
            equalTo(Arrays.asList(command, captor.getValue().get(1), "-resize", "80x60", TARGET_IMAGE)));
}
 

/**
 * 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);
    }
}