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Java ImageWriteParam.getCompressionQuality方法代码示例

本文整理汇总了Java中javax.imageio.ImageWriteParam.getCompressionQuality方法的典型用法代码示例。如果您正苦于以下问题:Java ImageWriteParam.getCompressionQuality方法的具体用法?Java ImageWriteParam.getCompressionQuality怎么用?Java ImageWriteParam.getCompressionQuality使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在javax.imageio.ImageWriteParam的用法示例。


在下文中一共展示了ImageWriteParam.getCompressionQuality方法的2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: write

import javax.imageio.ImageWriteParam; //导入方法依赖的package包/类
@Override
public void write(IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param) throws IOException {
  RenderedImage img = image.getRenderedImage();
  if (stream == null) {
    throw new IOException("Set an output first!");
  }
  if (param == null) {
    param = getDefaultWriteParam();
  }
  Rectangle sourceRegion = new Rectangle(0, 0, img.getWidth(), img.getHeight());
  if (param.getSourceRegion() != null) {
    sourceRegion = sourceRegion.intersection(param.getSourceRegion());
  }
  Raster raster = img.getData(sourceRegion);
  int quality = 85;
  if (param.getCompressionMode() == ImageWriteParam.MODE_EXPLICIT) {
    quality = (int) (param.getCompressionQuality() * 100);
  }
  try {
    stream.write(lib.encode(raster, quality).array());
  } catch (TurboJpegException e) {
    throw new IOException(e);
  }
}
 
开发者ID:dbmdz,项目名称:imageio-jnr,代码行数:25,代码来源:TurboJpegImageWriter.java

示例2: TIFFDeflater

import javax.imageio.ImageWriteParam; //导入方法依赖的package包/类
public TIFFDeflater(String compressionType,
                    int compressionTagValue,
                    ImageWriteParam param,
                    int predictorValue) {
    super(compressionType, compressionTagValue, true);

    this.predictor = predictorValue;

    // Set the deflate level.
    int deflateLevel;
    if(param != null &&
       param.getCompressionMode() == ImageWriteParam.MODE_EXPLICIT) {
        float quality = param.getCompressionQuality();
        deflateLevel = (int)(1 + 8*quality);
    } else {
        deflateLevel = Deflater.DEFAULT_COMPRESSION;
    }

    this.deflater = new Deflater(deflateLevel);
}
 
开发者ID:AdoptOpenJDK,项目名称:openjdk-jdk10,代码行数:21,代码来源:TIFFDeflater.java


注:本文中的javax.imageio.ImageWriteParam.getCompressionQuality方法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。