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Java DimensionConstrain类代码示例

本文整理汇总了Java中com.mortennobel.imagescaling.DimensionConstrain类的典型用法代码示例。如果您正苦于以下问题：Java DimensionConstrain类的具体用法？Java DimensionConstrain怎么用？Java DimensionConstrain使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


DimensionConstrain类属于com.mortennobel.imagescaling包，在下文中一共展示了DimensionConstrain类的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: execute

import com.mortennobel.imagescaling.DimensionConstrain; //导入依赖的package包/类
@Override
public void execute(ElfinderStorage elfinderStorage, HttpServletRequest request, HttpServletResponse response) throws Exception {

    String target = request.getParameter("target");
    VolumeHandler fsi = super.findTarget(elfinderStorage, target);

    final DateTime dateTime = new DateTime();
    final String pattern = "d MMM yyyy HH:mm:ss 'GMT'";
    final DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern(pattern);

    try (InputStream is = fsi.openInputStream()) {
        BufferedImage image = ImageIO.read(is);
        int width = 80;
        ResampleOp rop = new ResampleOp(DimensionConstrain.createMaxDimension(width, -1));
        rop.setNumberOfThreads(4);
        BufferedImage b = rop.filter(image, null);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(b, "png", baos);

        response.setHeader("Last-Modified", dateTimeFormatter.print(dateTime));
        response.setHeader("Expires", dateTimeFormatter.print(dateTime.plusYears(2)));

        ImageIO.write(b, "png", response.getOutputStream());
    }
}
开发者ID:trustsystems，项目名称:elfinder-java-connector，代码行数:26，代码来源:TmbCommand.java

示例2: resizeImageToDINA4WithDPI

import com.mortennobel.imagescaling.DimensionConstrain; //导入依赖的package包/类
private static BufferedImage resizeImageToDINA4WithDPI(BufferedImage origImage, int targetDpiX, int targetDpiY,
                                               int origDpiX, int origDpiY, float scaleDown) {

    float targetRatioX = (float)Consts.millisToPixels(Consts.A4_W_MM, targetDpiX)/origImage.getWidth();
    float targetRatioY = (float)Consts.millisToPixels(Consts.A4_H_MM, targetDpiY)/origImage.getHeight();
    float targetRatio = Math.min(1.0f, Math.min(targetRatioX, targetRatioY)/scaleDown);

    Logger.getLogger(ImageHelper.class.getName()).log(Level.INFO,
            "Resizing BufferedImage (px) --- "+
                    "Original dimensions: ("+Integer.toString(origImage.getWidth())+
                    ","+Integer.toString(origImage.getHeight())+")"+
                    " - Fraction: ("+Float.toString(targetRatioX)+","+Float.toString(targetRatioY)+")"+
                    " - Using ratio: "+Float.toString(targetRatio));

    ResampleOp resampleOp = new ResampleOp(DimensionConstrain.createRelativeDimension(targetRatio, targetRatio));
    resampleOp.setUnsharpenMask(AdvancedResizeOp.UnsharpenMask.Normal);

    return resampleOp.filter(origImage, null);
}
开发者ID:nandosola，项目名称:trantor-pdf-converter，代码行数:20，代码来源:ImageHelper.java

示例3: execute

import com.mortennobel.imagescaling.DimensionConstrain; //导入依赖的package包/类
@Override
public void execute(FsService fsService, HttpServletRequest request,
		HttpServletResponse response, ServletContext servletContext)
		throws Exception
{
	String target = request.getParameter("target");
	FsItemEx fsi = super.findItem(fsService, target);
	InputStream is = fsi.openInputStream();
	BufferedImage image = ImageIO.read(is);
	int width = fsService.getServiceConfig().getTmbWidth();
	ResampleOp rop = new ResampleOp(DimensionConstrain.createMaxDimension(
			width, -1));
	rop.setNumberOfThreads(4);
	BufferedImage b = rop.filter(image, null);
	ByteArrayOutputStream baos = new ByteArrayOutputStream();
	ImageIO.write(b, "png", baos);
	byte[] bytesOut = baos.toByteArray();
	is.close();

	response.setHeader("Last-Modified",
			DateUtils.addDays(Calendar.getInstance().getTime(), 2 * 360)
					.toGMTString());
	response.setHeader("Expires",
			DateUtils.addDays(Calendar.getInstance().getTime(), 2 * 360)
					.toGMTString());

	ImageIO.write(b, "png", response.getOutputStream());
}
开发者ID:bluejoe2008，项目名称:elfinder-2.x-servlet，代码行数:29，代码来源:TmbCommandExecutor.java

示例4: ImprovedMultistepRescaleOp

import com.mortennobel.imagescaling.DimensionConstrain; //导入依赖的package包/类
public ImprovedMultistepRescaleOp(int dstWidth, int dstHeight, Object renderingHintInterpolation) {
	this(DimensionConstrain.createAbsolutionDimension(dstWidth, dstHeight), renderingHintInterpolation);
}
开发者ID:mortennobel，项目名称:java-image-scaling，代码行数:4，代码来源:ImprovedMultistepRescaleOp.java

示例5: returnImage

import com.mortennobel.imagescaling.DimensionConstrain; //导入依赖的package包/类
private void returnImage(HttpServletRequest request, HttpServletResponse response, TestCaseExecutionFile tc, String filePath) throws IOException {

        int width = (!StringUtils.isEmpty(request.getParameter("w"))) ? Integer.valueOf(request.getParameter("w")) : 150;
        int height = (!StringUtils.isEmpty(request.getParameter("h"))) ? Integer.valueOf(request.getParameter("h")) : 100;

        Boolean real = request.getParameter("r") != null;

        BufferedImage image = null;
        BufferedImage b = null;
        filePath = StringUtil.addSuffixIfNotAlready(filePath, File.separator);

        File picture = new File(filePath + tc.getFileName());
        LOG.debug("Accessing File : " + picture.getAbsolutePath());
        try {
            if (real) {
                b = ImageIO.read(picture);
                ImageIO.write(b, "png", response.getOutputStream());
            } else {
                image = ImageIO.read(picture);

                // We test if file is too thin or too long. That prevent 500 error in case files are not compatible with resize. In that case, we crop the file.
                if ((image.getHeight() * width / image.getWidth() < 10) || (image.getWidth() * height / image.getHeight() < 15)) {
                    LOG.debug("Image is too big of thin. Target Height : " + image.getHeight() * width / image.getWidth() + " Target Width : " + image.getWidth() * height / image.getHeight());
                    b = ImageIO.read(picture);
                    int minwidth = width;
                    if (width > image.getWidth()) {
                        minwidth = image.getWidth();
                    }
                    int minheight = height;
                    if (height > image.getHeight()) {
                        minheight = image.getHeight();
                    }
                    BufferedImage crop = ((BufferedImage) b).getSubimage(0, 0, minwidth, minheight);

                    b = crop;
                    response.setHeader("Format-Status", "ERROR");
                    response.setHeader("Format-Status-Message", "Image Crop from : " + image.getWidth() + "X" + image.getHeight() + " to : " + minwidth + "X" + minheight);
                } else {
                    ResampleOp rop = new ResampleOp(DimensionConstrain.createMaxDimension(width, height, true));
                    rop.setNumberOfThreads(4);
                    b = rop.filter(image, null);
                    response.setHeader("Format-Status", "OK");
                }
            }
        } catch (IOException e) {

        }

        response.setHeader("Last-Modified", DateUtils.addDays(Calendar.getInstance().getTime(), 2 * 360).toGMTString());
        response.setHeader("Expires", DateUtils.addDays(Calendar.getInstance().getTime(), 2 * 360).toGMTString());
        response.setHeader("Type", "PNG");
        response.setHeader("Description", tc.getFileDesc());

        ImageIO.write(b, "png", response.getOutputStream());
    }
开发者ID:cerberustesting，项目名称:cerberus-source，代码行数:56，代码来源:ReadTestCaseExecutionMedia.java

示例6: processRequest

import com.mortennobel.imagescaling.DimensionConstrain; //导入依赖的package包/类
/**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     * @throws CerberusException
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException, CerberusException {
        String charset = request.getCharacterEncoding();

        String application = ParameterParserUtil.parseStringParamAndDecodeAndSanitize(request.getParameter("application"), "", charset);
        String object = ParameterParserUtil.parseStringParamAndDecodeAndSanitize(request.getParameter("object"), "", charset);


        int width = (!StringUtils.isEmpty(request.getParameter("w"))) ? Integer.valueOf(request.getParameter("w")) : -1;
        int height = (!StringUtils.isEmpty(request.getParameter("h"))) ? Integer.valueOf(request.getParameter("h")) : -1;

        ApplicationContext appContext = WebApplicationContextUtils.getWebApplicationContext(this.getServletContext());
        IApplicationObjectService applicationObjectService = appContext.getBean(IApplicationObjectService.class);

        BufferedImage image = applicationObjectService.readImageByKey(application,object);
        BufferedImage b;
        if(image != null) {
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            /**
             * If width and height not defined, get image in real size
             */
            if (width ==-1 && height==-1) {
                b = image;
            } else { 
            ResampleOp rop = new ResampleOp(DimensionConstrain.createMaxDimension(width, height, true));
            rop.setNumberOfThreads(4);
            b = rop.filter(image, null);
            }
            ImageIO.write(b, "png", baos);
//        byte[] bytesOut = baos.toByteArray();
        }else{
            // create a buffered image
            ByteArrayInputStream bis = new ByteArrayInputStream(imageBytes);
            b = ImageIO.read(bis);
            bis.close();
        }

        response.setHeader("Last-Modified", DateUtils.addDays(Calendar.getInstance().getTime(), 2 * 360).toGMTString());
        response.setHeader("Expires", DateUtils.addDays(Calendar.getInstance().getTime(), 2 * 360).toGMTString());

        ImageIO.write(b, "png", response.getOutputStream());
    }
开发者ID:cerberustesting，项目名称:cerberus-source，代码行数:53，代码来源:ReadApplicationObjectImage.java


注：本文中的com.mortennobel.imagescaling.DimensionConstrain类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。