OpenCV: imgcodecs/include/opencv2/imgcodecs.hpp File Reference

| OpenCV 3.4.2 Open Source Computer Vision

Namespaces | Enumerations | Functions
imgcodecs.hpp File Reference
`#include "opencv2/core.hpp"`

## Namespaces
| cv

## Enumerations
enum | cv::ImreadModes { cv::IMREAD_UNCHANGED = -1, cv::IMREAD_GRAYSCALE = 0, cv::IMREAD_COLOR = 1, cv::IMREAD_ANYDEPTH = 2, cv::IMREAD_ANYCOLOR = 4, cv::IMREAD_LOAD_GDAL = 8, cv::IMREAD_REDUCED_GRAYSCALE_2 = 16, cv::IMREAD_REDUCED_COLOR_2 = 17, cv::IMREAD_REDUCED_GRAYSCALE_4 = 32, cv::IMREAD_REDUCED_COLOR_4 = 33, cv::IMREAD_REDUCED_GRAYSCALE_8 = 64, cv::IMREAD_REDUCED_COLOR_8 = 65, cv::IMREAD_IGNORE_ORIENTATION = 128 }
| Imread flags. More...
enum | cv::ImwriteEXRTypeFlags { cv::IMWRITE_EXR_TYPE_HALF = 1, cv::IMWRITE_EXR_TYPE_FLOAT = 2 }
enum | cv::ImwriteFlags { cv::IMWRITE_JPEG_QUALITY = 1, cv::IMWRITE_JPEG_PROGRESSIVE = 2, cv::IMWRITE_JPEG_OPTIMIZE = 3, cv::IMWRITE_JPEG_RST_INTERVAL = 4, cv::IMWRITE_JPEG_LUMA_QUALITY = 5, cv::IMWRITE_JPEG_CHROMA_QUALITY = 6, cv::IMWRITE_PNG_COMPRESSION = 16, cv::IMWRITE_PNG_STRATEGY = 17, cv::IMWRITE_PNG_BILEVEL = 18, cv::IMWRITE_PXM_BINARY = 32, cv::IMWRITE_EXR_TYPE = (3 << 4) + 0, cv::IMWRITE_WEBP_QUALITY = 64, cv::IMWRITE_PAM_TUPLETYPE = 128, cv::IMWRITE_TIFF_RESUNIT = 256, cv::IMWRITE_TIFF_XDPI = 257, cv::IMWRITE_TIFF_YDPI = 258 }
| Imwrite flags. More...
enum | cv::ImwritePAMFlags { cv::IMWRITE_PAM_FORMAT_NULL = 0, cv::IMWRITE_PAM_FORMAT_BLACKANDWHITE = 1, cv::IMWRITE_PAM_FORMAT_GRAYSCALE = 2, cv::IMWRITE_PAM_FORMAT_GRAYSCALE_ALPHA = 3, cv::IMWRITE_PAM_FORMAT_RGB = 4, cv::IMWRITE_PAM_FORMAT_RGB_ALPHA = 5 }
| Imwrite PAM specific tupletype flags used to define the 'TUPETYPE' field of a PAM file. More...
enum | cv::ImwritePNGFlags { cv::IMWRITE_PNG_STRATEGY_DEFAULT = 0, cv::IMWRITE_PNG_STRATEGY_FILTERED = 1, cv::IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY = 2, cv::IMWRITE_PNG_STRATEGY_RLE = 3, cv::IMWRITE_PNG_STRATEGY_FIXED = 4 }
| Imwrite PNG specific flags used to tune the compression algorithm. More...

## Functions
Mat | cv::imdecode (InputArray buf, int flags)
| Reads an image from a buffer in memory. More...
Mat | cv::imdecode (InputArray buf, int flags, Mat *dst)
bool | cv::imencode (const String &ext, InputArray img, std::vector< uchar > &buf, const std::vector< int > &params=std::vector< int >())
| Encodes an image into a memory buffer. More...
Mat | cv::imread (const String &filename, int flags=IMREAD_COLOR)
| Loads an image from a file. More...
bool | cv::imreadmulti (const String &filename, std::vector< Mat > &mats, int flags=IMREAD_ANYCOLOR)
| Loads a multi-page image from a file. More...
bool | cv::imwrite (const String &filename, InputArray img, const std::vector< int > &params=std::vector< int >())
| Saves an image to a specified file. More...