Imgcodecs

java.lang.Object
- org.opencv.imgcodecs.Imgcodecs

public class Imgcodecs
extends java.lang.Object

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`CV_CVTIMG_FLIP`
`static int`	`CV_CVTIMG_SWAP_RB`
`static int`	`CV_IMWRITE_JPEG_CHROMA_QUALITY`
`static int`	`CV_IMWRITE_JPEG_LUMA_QUALITY`
`static int`	`CV_IMWRITE_JPEG_OPTIMIZE`
`static int`	`CV_IMWRITE_JPEG_PROGRESSIVE`
`static int`	`CV_IMWRITE_JPEG_QUALITY`
`static int`	`CV_IMWRITE_JPEG_RST_INTERVAL`
`static int`	`CV_IMWRITE_PNG_BILEVEL`
`static int`	`CV_IMWRITE_PNG_COMPRESSION`
`static int`	`CV_IMWRITE_PNG_STRATEGY`
`static int`	`CV_IMWRITE_PNG_STRATEGY_DEFAULT`
`static int`	`CV_IMWRITE_PNG_STRATEGY_FILTERED`
`static int`	`CV_IMWRITE_PNG_STRATEGY_FIXED`
`static int`	`CV_IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY`
`static int`	`CV_IMWRITE_PNG_STRATEGY_RLE`
`static int`	`CV_IMWRITE_PXM_BINARY`
`static int`	`CV_IMWRITE_WEBP_QUALITY`
`static int`	`CV_LOAD_IMAGE_ANYCOLOR`
`static int`	`CV_LOAD_IMAGE_ANYDEPTH`
`static int`	`CV_LOAD_IMAGE_COLOR`
`static int`	`CV_LOAD_IMAGE_GRAYSCALE`
`static int`	`CV_LOAD_IMAGE_UNCHANGED`
`static int`	`IMREAD_ANYCOLOR`
`static int`	`IMREAD_ANYDEPTH`
`static int`	`IMREAD_COLOR`
`static int`	`IMREAD_GRAYSCALE`
`static int`	`IMREAD_LOAD_GDAL`
`static int`	`IMREAD_REDUCED_COLOR_2`
`static int`	`IMREAD_REDUCED_COLOR_4`
`static int`	`IMREAD_REDUCED_COLOR_8`
`static int`	`IMREAD_REDUCED_GRAYSCALE_2`
`static int`	`IMREAD_REDUCED_GRAYSCALE_4`
`static int`	`IMREAD_REDUCED_GRAYSCALE_8`
`static int`	`IMREAD_UNCHANGED`
`static int`	`IMWRITE_JPEG_CHROMA_QUALITY`
`static int`	`IMWRITE_JPEG_LUMA_QUALITY`
`static int`	`IMWRITE_JPEG_OPTIMIZE`
`static int`	`IMWRITE_JPEG_PROGRESSIVE`
`static int`	`IMWRITE_JPEG_QUALITY`
`static int`	`IMWRITE_JPEG_RST_INTERVAL`
`static int`	`IMWRITE_PNG_BILEVEL`
`static int`	`IMWRITE_PNG_COMPRESSION`
`static int`	`IMWRITE_PNG_STRATEGY`
`static int`	`IMWRITE_PNG_STRATEGY_DEFAULT`
`static int`	`IMWRITE_PNG_STRATEGY_FILTERED`
`static int`	`IMWRITE_PNG_STRATEGY_FIXED`
`static int`	`IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY`
`static int`	`IMWRITE_PNG_STRATEGY_RLE`
`static int`	`IMWRITE_PXM_BINARY`
`static int`	`IMWRITE_WEBP_QUALITY`

Constructor Summary

Constructors
Constructor and Description

Imgcodecs()

Constructors
Constructor and Description
`Imgcodecs()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static Mat`	`imdecode(Mat buf, int flags)`
`static boolean`	`imencode(java.lang.String ext, Mat img, MatOfByte buf)`
`static boolean`	`imencode(java.lang.String ext, Mat img, MatOfByte buf, MatOfInt params)`
`static Mat`	`imread(java.lang.String filename)`
`static Mat`	`imread(java.lang.String filename, int flags)`
`static boolean`	`imreadmulti(java.lang.String filename, java.util.List<Mat> mats)`
`static boolean`	`imreadmulti(java.lang.String filename, java.util.List<Mat> mats, int flags)`
`static boolean`	`imwrite(java.lang.String filename, Mat img)`
`static boolean`	`imwrite(java.lang.String filename, Mat img, MatOfInt params)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- CV_LOAD_IMAGE_UNCHANGED
```
public static final int CV_LOAD_IMAGE_UNCHANGED
```
  See Also:
  
  Constant Field Values
- CV_LOAD_IMAGE_GRAYSCALE
```
public static final int CV_LOAD_IMAGE_GRAYSCALE
```
  See Also:
  
  Constant Field Values
- CV_LOAD_IMAGE_COLOR
```
public static final int CV_LOAD_IMAGE_COLOR
```
  See Also:
  
  Constant Field Values
- CV_LOAD_IMAGE_ANYDEPTH
```
public static final int CV_LOAD_IMAGE_ANYDEPTH
```
  See Also:
  
  Constant Field Values
- CV_LOAD_IMAGE_ANYCOLOR
```
public static final int CV_LOAD_IMAGE_ANYCOLOR
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_JPEG_QUALITY
```
public static final int CV_IMWRITE_JPEG_QUALITY
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_JPEG_PROGRESSIVE
```
public static final int CV_IMWRITE_JPEG_PROGRESSIVE
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_JPEG_OPTIMIZE
```
public static final int CV_IMWRITE_JPEG_OPTIMIZE
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_JPEG_RST_INTERVAL
```
public static final int CV_IMWRITE_JPEG_RST_INTERVAL
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_JPEG_LUMA_QUALITY
```
public static final int CV_IMWRITE_JPEG_LUMA_QUALITY
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_JPEG_CHROMA_QUALITY
```
public static final int CV_IMWRITE_JPEG_CHROMA_QUALITY
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_PNG_COMPRESSION
```
public static final int CV_IMWRITE_PNG_COMPRESSION
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_PNG_STRATEGY
```
public static final int CV_IMWRITE_PNG_STRATEGY
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_PNG_BILEVEL
```
public static final int CV_IMWRITE_PNG_BILEVEL
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_PNG_STRATEGY_DEFAULT
```
public static final int CV_IMWRITE_PNG_STRATEGY_DEFAULT
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_PNG_STRATEGY_FILTERED
```
public static final int CV_IMWRITE_PNG_STRATEGY_FILTERED
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY
```
public static final int CV_IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_PNG_STRATEGY_RLE
```
public static final int CV_IMWRITE_PNG_STRATEGY_RLE
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_PNG_STRATEGY_FIXED
```
public static final int CV_IMWRITE_PNG_STRATEGY_FIXED
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_PXM_BINARY
```
public static final int CV_IMWRITE_PXM_BINARY
```
  See Also:
  
  Constant Field Values
- CV_IMWRITE_WEBP_QUALITY
```
public static final int CV_IMWRITE_WEBP_QUALITY
```
  See Also:
  
  Constant Field Values
- CV_CVTIMG_FLIP
```
public static final int CV_CVTIMG_FLIP
```
  See Also:
  
  Constant Field Values
- CV_CVTIMG_SWAP_RB
```
public static final int CV_CVTIMG_SWAP_RB
```
  See Also:
  
  Constant Field Values
- IMREAD_UNCHANGED
```
public static final int IMREAD_UNCHANGED
```
  See Also:
  
  Constant Field Values
- IMREAD_GRAYSCALE
```
public static final int IMREAD_GRAYSCALE
```
  See Also:
  
  Constant Field Values
- IMREAD_COLOR
```
public static final int IMREAD_COLOR
```
  See Also:
  
  Constant Field Values
- IMREAD_ANYDEPTH
```
public static final int IMREAD_ANYDEPTH
```
  See Also:
  
  Constant Field Values
- IMREAD_ANYCOLOR
```
public static final int IMREAD_ANYCOLOR
```
  See Also:
  
  Constant Field Values
- IMREAD_LOAD_GDAL
```
public static final int IMREAD_LOAD_GDAL
```
  See Also:
  
  Constant Field Values
- IMREAD_REDUCED_GRAYSCALE_2
```
public static final int IMREAD_REDUCED_GRAYSCALE_2
```
  See Also:
  
  Constant Field Values
- IMREAD_REDUCED_COLOR_2
```
public static final int IMREAD_REDUCED_COLOR_2
```
  See Also:
  
  Constant Field Values
- IMREAD_REDUCED_GRAYSCALE_4
```
public static final int IMREAD_REDUCED_GRAYSCALE_4
```
  See Also:
  
  Constant Field Values
- IMREAD_REDUCED_COLOR_4
```
public static final int IMREAD_REDUCED_COLOR_4
```
  See Also:
  
  Constant Field Values
- IMREAD_REDUCED_GRAYSCALE_8
```
public static final int IMREAD_REDUCED_GRAYSCALE_8
```
  See Also:
  
  Constant Field Values
- IMREAD_REDUCED_COLOR_8
```
public static final int IMREAD_REDUCED_COLOR_8
```
  See Also:
  
  Constant Field Values
- IMWRITE_JPEG_QUALITY
```
public static final int IMWRITE_JPEG_QUALITY
```
  See Also:
  
  Constant Field Values
- IMWRITE_JPEG_PROGRESSIVE
```
public static final int IMWRITE_JPEG_PROGRESSIVE
```
  See Also:
  
  Constant Field Values
- IMWRITE_JPEG_OPTIMIZE
```
public static final int IMWRITE_JPEG_OPTIMIZE
```
  See Also:
  
  Constant Field Values
- IMWRITE_JPEG_RST_INTERVAL
```
public static final int IMWRITE_JPEG_RST_INTERVAL
```
  See Also:
  
  Constant Field Values
- IMWRITE_JPEG_LUMA_QUALITY
```
public static final int IMWRITE_JPEG_LUMA_QUALITY
```
  See Also:
  
  Constant Field Values
- IMWRITE_JPEG_CHROMA_QUALITY
```
public static final int IMWRITE_JPEG_CHROMA_QUALITY
```
  See Also:
  
  Constant Field Values
- IMWRITE_PNG_COMPRESSION
```
public static final int IMWRITE_PNG_COMPRESSION
```
  See Also:
  
  Constant Field Values
- IMWRITE_PNG_STRATEGY
```
public static final int IMWRITE_PNG_STRATEGY
```
  See Also:
  
  Constant Field Values
- IMWRITE_PNG_BILEVEL
```
public static final int IMWRITE_PNG_BILEVEL
```
  See Also:
  
  Constant Field Values
- IMWRITE_PXM_BINARY
```
public static final int IMWRITE_PXM_BINARY
```
  See Also:
  
  Constant Field Values
- IMWRITE_WEBP_QUALITY
```
public static final int IMWRITE_WEBP_QUALITY
```
  See Also:
  
  Constant Field Values
- IMWRITE_PNG_STRATEGY_DEFAULT
```
public static final int IMWRITE_PNG_STRATEGY_DEFAULT
```
  See Also:
  
  Constant Field Values
- IMWRITE_PNG_STRATEGY_FILTERED
```
public static final int IMWRITE_PNG_STRATEGY_FILTERED
```
  See Also:
  
  Constant Field Values
- IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY
```
public static final int IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY
```
  See Also:
  
  Constant Field Values
- IMWRITE_PNG_STRATEGY_RLE
```
public static final int IMWRITE_PNG_STRATEGY_RLE
```
  See Also:
  
  Constant Field Values
- IMWRITE_PNG_STRATEGY_FIXED
```
public static final int IMWRITE_PNG_STRATEGY_FIXED
```
  See Also:
  
  Constant Field Values

Constructor Detail
- Imgcodecs
```
public Imgcodecs()
```

Method Detail

imdecode

public static Mat imdecode(Mat buf,
                           int flags)

imread

public static Mat imread(java.lang.String filename,
                         int flags)

imread

public static Mat imread(java.lang.String filename)

imencode

public static boolean imencode(java.lang.String ext,
                               Mat img,
                               MatOfByte buf,
                               MatOfInt params)

imencode

public static boolean imencode(java.lang.String ext,
                               Mat img,
                               MatOfByte buf)

imreadmulti

public static boolean imreadmulti(java.lang.String filename,
                                  java.util.List<Mat> mats,
                                  int flags)

imreadmulti

public static boolean imreadmulti(java.lang.String filename,
                                  java.util.List<Mat> mats)

imwrite

public static boolean imwrite(java.lang.String filename,
                              Mat img,
                              MatOfInt params)

imwrite

public static boolean imwrite(java.lang.String filename,
                              Mat img)

Class Imgcodecs

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

CV_LOAD_IMAGE_UNCHANGED

CV_LOAD_IMAGE_GRAYSCALE

CV_LOAD_IMAGE_COLOR

CV_LOAD_IMAGE_ANYDEPTH

CV_LOAD_IMAGE_ANYCOLOR

CV_IMWRITE_JPEG_QUALITY

CV_IMWRITE_JPEG_PROGRESSIVE

CV_IMWRITE_JPEG_OPTIMIZE

CV_IMWRITE_JPEG_RST_INTERVAL

CV_IMWRITE_JPEG_LUMA_QUALITY

CV_IMWRITE_JPEG_CHROMA_QUALITY

CV_IMWRITE_PNG_COMPRESSION

CV_IMWRITE_PNG_STRATEGY

CV_IMWRITE_PNG_BILEVEL

CV_IMWRITE_PNG_STRATEGY_DEFAULT

CV_IMWRITE_PNG_STRATEGY_FILTERED

CV_IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY

CV_IMWRITE_PNG_STRATEGY_RLE

CV_IMWRITE_PNG_STRATEGY_FIXED

CV_IMWRITE_PXM_BINARY

CV_IMWRITE_WEBP_QUALITY

CV_CVTIMG_FLIP

CV_CVTIMG_SWAP_RB

IMREAD_UNCHANGED

IMREAD_GRAYSCALE

IMREAD_COLOR

IMREAD_ANYDEPTH

IMREAD_ANYCOLOR

IMREAD_LOAD_GDAL

IMREAD_REDUCED_GRAYSCALE_2

IMREAD_REDUCED_COLOR_2

IMREAD_REDUCED_GRAYSCALE_4

IMREAD_REDUCED_COLOR_4

IMREAD_REDUCED_GRAYSCALE_8

IMREAD_REDUCED_COLOR_8

IMWRITE_JPEG_QUALITY

IMWRITE_JPEG_PROGRESSIVE

IMWRITE_JPEG_OPTIMIZE

IMWRITE_JPEG_RST_INTERVAL

IMWRITE_JPEG_LUMA_QUALITY

IMWRITE_JPEG_CHROMA_QUALITY

IMWRITE_PNG_COMPRESSION

IMWRITE_PNG_STRATEGY

IMWRITE_PNG_BILEVEL

IMWRITE_PXM_BINARY

IMWRITE_WEBP_QUALITY

IMWRITE_PNG_STRATEGY_DEFAULT

IMWRITE_PNG_STRATEGY_FILTERED

IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY

IMWRITE_PNG_STRATEGY_RLE

IMWRITE_PNG_STRATEGY_FIXED

Constructor Detail

Imgcodecs

Method Detail

imdecode

imread

imread

imencode

imencode

imreadmulti

imreadmulti

imwrite

imwrite