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adding new flags to imread to load image reduced

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This commit is contained in:
Suleyman TURKMEN
2015-09-24 22:51:11 +03:00
parent 7d7f5c196d
commit 7c226ed7a2
2 changed files with 30 additions and 43 deletions
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26
modules/imgcodecs/include/opencv2/imgcodecs.hpp
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@@ -62,12 +62,18 @@ namespace cv
//! Imread flags
enum ImreadModes {
IMREAD_UNCHANGED = -1, //!< If set, return the loaded image as is (with alpha channel, otherwise it gets cropped).
IMREAD_GRAYSCALE = 0, //!< If set, always convert image to the single channel grayscale image.
IMREAD_COLOR = 1, //!< If set, always convert image to the 3 channel BGR color image.
IMREAD_ANYDEPTH = 2, //!< If set, return 16-bit/32-bit image when the input has the corresponding depth, otherwise convert it to 8-bit.
IMREAD_ANYCOLOR = 4, //!< If set, the image is read in any possible color format.
IMREAD_LOAD_GDAL = 8 //!< If set, use the gdal driver for loading the image.
IMREAD_UNCHANGED = -1, //!< If set, return the loaded image as is (with alpha channel, otherwise it gets cropped).
IMREAD_GRAYSCALE = 0, //!< If set, always convert image to the single channel grayscale image.
IMREAD_COLOR = 1, //!< If set, always convert image to the 3 channel BGR color image.
IMREAD_ANYDEPTH = 2, //!< If set, return 16-bit/32-bit image when the input has the corresponding depth, otherwise convert it to 8-bit.
IMREAD_ANYCOLOR = 4, //!< If set, the image is read in any possible color format.
IMREAD_LOAD_GDAL = 8, //!< If set, use the gdal driver for loading the image.
IMREAD_GRAYSCALE_REDUCED_2 = 16, //!< If set, always convert image to the single channel grayscale image and the image size reduced 1/2.
IMREAD_COLOR_REDUCED_2 = 17, //!< If set, always convert image to the 3 channel BGR color image and the image size reduced 1/2.
IMREAD_GRAYSCALE_REDUCED_4 = 32, //!< If set, always convert image to the single channel grayscale image and the image size reduced 1/4.
IMREAD_COLOR_REDUCED_4 = 33, //!< If set, always convert image to the 3 channel BGR color image and the image size reduced 1/4.
IMREAD_GRAYSCALE_REDUCED_8 = 64, //!< If set, always convert image to the single channel grayscale image and the image size reduced 1/8.
IMREAD_COLOR_REDUCED_8 = 65 //!< If set, always convert image to the 3 channel BGR color image and the image size reduced 1/8.
};
//! Imwrite flags
@@ -133,14 +139,6 @@ returns an empty matrix ( Mat::data==NULL ). Currently, the following file forma
*/
CV_EXPORTS_W Mat imread( const String& filename, int flags = IMREAD_COLOR );
/** @brief Loads and resizes down an image from a file.
@anchor imread_reduced
@param filename Name of file to be loaded.
@param flags Flag that can take values of @ref cv::ImreadModes
@param scale_denom
*/
CV_EXPORTS_W Mat imread_reduced( const String& filename, int flags = IMREAD_COLOR, int scale_denom=1 );
/** @brief Loads a multi-page image from a file. (see imread for details.)
@param filename Name of file to be loaded.