Uses of Class
javax.imageio.ImageReadParam
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Packages that use ImageReadParam 软件包 描述 javax.imageio Java Image I / O API的主要包。javax.imageio.plugins.jpeg 支持内置JPEG插件的类。javax.imageio.plugins.tiff 内置TIFF插件使用的公共类。 -
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Uses of ImageReadParam in javax.imageio
Methods in javax.imageio that return ImageReadParam Modifier and Type 方法 描述 ImageReadParam
ImageReader. getDefaultReadParam()
返回适用于此格式的默认对象ImageReadParam
。Methods in javax.imageio with parameters of type ImageReadParam Modifier and Type 方法 描述 protected static void
ImageReader. checkReadParamBandSettings(ImageReadParam param, int numSrcBands, int numDstBands)
读者可以使用一种实用方法来测试ImageReadParam
的源和目标频带设置的ImageReadParam
。protected static void
ImageReader. computeRegions(ImageReadParam param, int srcWidth, int srcHeight, BufferedImage image, Rectangle srcRegion, Rectangle destRegion)
计算感兴趣的源区域和感兴趣的目的地区域,将源图像的宽度和高度,可选的目标图像和可选的ImageReadParam
考虑在内。protected static BufferedImage
ImageReader. getDestination(ImageReadParam param, Iterator<ImageTypeSpecifier> imageTypes, int width, int height)
返回应写入解码像素数据的BufferedImage
。protected static Rectangle
ImageReader. getSourceRegion(ImageReadParam param, int srcWidth, int srcHeight)
读者可以使用一种实用方法来计算应该读取的源图像的区域,同时考虑到所提供的ImageReadParam
中的任何源区域和子采样偏移设置。abstract BufferedImage
ImageReader. read(int imageIndex, ImageReadParam param)
读取imageIndex
索引的图像,并将其作为完整的BufferedImage
返回,使用附带的ImageReadParam
。IIOImage
ImageReader. readAll(int imageIndex, ImageReadParam param)
读取由索引的图像imageIndex
并返回一个IIOImage
包含图像,缩略图和相关联的图像元数据,使用所提供的ImageReadParam
。RenderedImage
ImageReader. readAsRenderedImage(int imageIndex, ImageReadParam param)
返回一个RenderedImage
对象,其中包含由imageIndex
索引的图像的内容。Raster
ImageReader. readRaster(int imageIndex, ImageReadParam param)
返回包含来自图像流的原始像素数据的新的Raster
对象,而不应用任何颜色转换。Method parameters in javax.imageio with type arguments of type ImageReadParam Modifier and Type 方法 描述 Iterator<IIOImage>
ImageReader. readAll(Iterator<? extends ImageReadParam> params)
返回Iterator
包含所有图像,缩略图和元数据,开始由下式给出的指数在getMinIndex
,从形式的输入源IIOImage
对象。 -
Uses of ImageReadParam in javax.imageio.plugins.jpeg
Subclasses of ImageReadParam in javax.imageio.plugins.jpeg Modifier and Type Class 描述 class
JPEGImageReadParam
此类增加了在使用内置JPEG阅读器插件时设置JPEG量化和霍夫曼表的功能。 -
Uses of ImageReadParam in javax.imageio.plugins.tiff
Subclasses of ImageReadParam in javax.imageio.plugins.tiff Modifier and Type Class 描述 class
TIFFImageReadParam
ImageReadParam
的子类允许控制TIFF读取过程。
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