mirror of https://github.com/opencv/opencv.git
vbystricky
11 years ago
parent
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commit
4286f60387
204 changed files with 968 additions and 439 deletions
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Reading and Writing Images and Video |
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==================================== |
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Reading and Writing Video |
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========================= |
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|
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.. highlight:: cpp |
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|
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imdecode |
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-------- |
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Reads an image from a buffer in memory. |
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.. ocv:function:: Mat imdecode( InputArray buf, int flags ) |
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.. ocv:function:: Mat imdecode( InputArray buf, int flags, Mat* dst ) |
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.. ocv:cfunction:: IplImage* cvDecodeImage( const CvMat* buf, int iscolor=CV_LOAD_IMAGE_COLOR) |
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.. ocv:cfunction:: CvMat* cvDecodeImageM( const CvMat* buf, int iscolor=CV_LOAD_IMAGE_COLOR) |
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.. ocv:pyfunction:: cv2.imdecode(buf, flags) -> retval |
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:param buf: Input array or vector of bytes. |
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:param flags: The same flags as in :ocv:func:`imread` . |
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:param dst: The optional output placeholder for the decoded matrix. It can save the image reallocations when the function is called repeatedly for images of the same size. |
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The function reads an image from the specified buffer in the memory. |
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If the buffer is too short or contains invalid data, the empty matrix/image is returned. |
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See |
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:ocv:func:`imread` for the list of supported formats and flags description. |
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.. note:: In the case of color images, the decoded images will have the channels stored in ``B G R`` order. |
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imencode |
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-------- |
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Encodes an image into a memory buffer. |
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.. ocv:function:: bool imencode( const String& ext, InputArray img, vector<uchar>& buf, const vector<int>& params=vector<int>()) |
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.. ocv:cfunction:: CvMat* cvEncodeImage( const char* ext, const CvArr* image, const int* params=0 ) |
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.. ocv:pyfunction:: cv2.imencode(ext, img[, params]) -> retval, buf |
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:param ext: File extension that defines the output format. |
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:param img: Image to be written. |
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:param buf: Output buffer resized to fit the compressed image. |
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:param params: Format-specific parameters. See :ocv:func:`imwrite` . |
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The function compresses the image and stores it in the memory buffer that is resized to fit the result. |
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See |
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:ocv:func:`imwrite` for the list of supported formats and flags description. |
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.. note:: ``cvEncodeImage`` returns single-row matrix of type ``CV_8UC1`` that contains encoded image as array of bytes. |
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imread |
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------ |
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Loads an image from a file. |
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.. ocv:function:: Mat imread( const String& filename, int flags=IMREAD_COLOR ) |
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.. ocv:pyfunction:: cv2.imread(filename[, flags]) -> retval |
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.. ocv:cfunction:: IplImage* cvLoadImage( const char* filename, int iscolor=CV_LOAD_IMAGE_COLOR ) |
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.. ocv:cfunction:: CvMat* cvLoadImageM( const char* filename, int iscolor=CV_LOAD_IMAGE_COLOR ) |
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:param filename: Name of file to be loaded. |
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:param flags: Flags specifying the color type of a loaded image: |
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* CV_LOAD_IMAGE_ANYDEPTH - If set, return 16-bit/32-bit image when the input has the corresponding depth, otherwise convert it to 8-bit. |
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* CV_LOAD_IMAGE_COLOR - If set, always convert image to the color one |
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* CV_LOAD_IMAGE_GRAYSCALE - If set, always convert image to the grayscale one |
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* **>0** Return a 3-channel color image. |
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.. note:: In the current implementation the alpha channel, if any, is stripped from the output image. Use negative value if you need the alpha channel. |
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* **=0** Return a grayscale image. |
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* **<0** Return the loaded image as is (with alpha channel). |
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The function ``imread`` loads an image from the specified file and returns it. If the image cannot be read (because of missing file, improper permissions, unsupported or invalid format), the function returns an empty matrix ( ``Mat::data==NULL`` ). Currently, the following file formats are supported: |
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* Windows bitmaps - ``*.bmp, *.dib`` (always supported) |
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* JPEG files - ``*.jpeg, *.jpg, *.jpe`` (see the *Notes* section) |
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* JPEG 2000 files - ``*.jp2`` (see the *Notes* section) |
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* Portable Network Graphics - ``*.png`` (see the *Notes* section) |
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* WebP - ``*.webp`` (see the *Notes* section) |
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* Portable image format - ``*.pbm, *.pgm, *.ppm`` (always supported) |
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* Sun rasters - ``*.sr, *.ras`` (always supported) |
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* TIFF files - ``*.tiff, *.tif`` (see the *Notes* section) |
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.. note:: |
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* The function determines the type of an image by the content, not by the file extension. |
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* On Microsoft Windows* OS and MacOSX*, the codecs shipped with an OpenCV image (libjpeg, libpng, libtiff, and libjasper) are used by default. So, OpenCV can always read JPEGs, PNGs, and TIFFs. On MacOSX, there is also an option to use native MacOSX image readers. But beware that currently these native image loaders give images with different pixel values because of the color management embedded into MacOSX. |
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* On Linux*, BSD flavors and other Unix-like open-source operating systems, OpenCV looks for codecs supplied with an OS image. Install the relevant packages (do not forget the development files, for example, "libjpeg-dev", in Debian* and Ubuntu*) to get the codec support or turn on the ``OPENCV_BUILD_3RDPARTY_LIBS`` flag in CMake. |
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.. note:: In the case of color images, the decoded images will have the channels stored in ``B G R`` order. |
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imwrite |
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----------- |
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Saves an image to a specified file. |
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.. ocv:function:: bool imwrite( const String& filename, InputArray img, const vector<int>& params=vector<int>() ) |
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.. ocv:pyfunction:: cv2.imwrite(filename, img[, params]) -> retval |
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.. ocv:cfunction:: int cvSaveImage( const char* filename, const CvArr* image, const int* params=0 ) |
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:param filename: Name of the file. |
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:param image: Image to be saved. |
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:param params: Format-specific save parameters encoded as pairs ``paramId_1, paramValue_1, paramId_2, paramValue_2, ...`` . The following parameters are currently supported: |
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* For JPEG, it can be a quality ( ``CV_IMWRITE_JPEG_QUALITY`` ) from 0 to 100 (the higher is the better). Default value is 95. |
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* For WEBP, it can be a quality ( CV_IMWRITE_WEBP_QUALITY ) from 1 to 100 (the higher is the better). |
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By default (without any parameter) and for quality above 100 the lossless compression is used. |
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* For PNG, it can be the compression level ( ``CV_IMWRITE_PNG_COMPRESSION`` ) from 0 to 9. A higher value means a smaller size and longer compression time. Default value is 3. |
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* For PPM, PGM, or PBM, it can be a binary format flag ( ``CV_IMWRITE_PXM_BINARY`` ), 0 or 1. Default value is 1. |
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The function ``imwrite`` saves the image to the specified file. The image format is chosen based on the ``filename`` extension (see |
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:ocv:func:`imread` for the list of extensions). Only 8-bit (or 16-bit unsigned (``CV_16U``) in case of PNG, JPEG 2000, and TIFF) single-channel or 3-channel (with 'BGR' channel order) images can be saved using this function. If the format, depth or channel order is different, use |
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:ocv:func:`Mat::convertTo` , and |
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:ocv:func:`cvtColor` to convert it before saving. Or, use the universal :ocv:class:`FileStorage` I/O functions to save the image to XML or YAML format. |
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It is possible to store PNG images with an alpha channel using this function. To do this, create 8-bit (or 16-bit) 4-channel image BGRA, where the alpha channel goes last. Fully transparent pixels should have alpha set to 0, fully opaque pixels should have alpha set to 255/65535. The sample below shows how to create such a BGRA image and store to PNG file. It also demonstrates how to set custom compression parameters :: |
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#include <vector> |
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#include <stdio.h> |
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#include <opencv2/opencv.hpp> |
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using namespace cv; |
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using namespace std; |
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void createAlphaMat(Mat &mat) |
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{ |
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for (int i = 0; i < mat.rows; ++i) { |
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for (int j = 0; j < mat.cols; ++j) { |
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Vec4b& rgba = mat.at<Vec4b>(i, j); |
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rgba[0] = UCHAR_MAX; |
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rgba[1] = saturate_cast<uchar>((float (mat.cols - j)) / ((float)mat.cols) * UCHAR_MAX); |
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rgba[2] = saturate_cast<uchar>((float (mat.rows - i)) / ((float)mat.rows) * UCHAR_MAX); |
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rgba[3] = saturate_cast<uchar>(0.5 * (rgba[1] + rgba[2])); |
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} |
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} |
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} |
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int main(int argv, char **argc) |
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{ |
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// Create mat with alpha channel |
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Mat mat(480, 640, CV_8UC4); |
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createAlphaMat(mat); |
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vector<int> compression_params; |
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compression_params.push_back(CV_IMWRITE_PNG_COMPRESSION); |
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compression_params.push_back(9); |
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try { |
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imwrite("alpha.png", mat, compression_params); |
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} |
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catch (runtime_error& ex) { |
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fprintf(stderr, "Exception converting image to PNG format: %s\n", ex.what()); |
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return 1; |
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} |
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fprintf(stdout, "Saved PNG file with alpha data.\n"); |
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return 0; |
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} |
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VideoCapture |
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------------ |
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@ -0,0 +1,131 @@ |
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set(the_description "Image codecs") |
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ocv_add_module(imgcodecs opencv_imgproc) |
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# ---------------------------------------------------------------------------- |
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# CMake file for imgcodecs. See root CMakeLists.txt |
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# Some parts taken from version of Hartmut Seichter, HIT Lab NZ. |
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# Jose Luis Blanco, 2008 |
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# ---------------------------------------------------------------------------- |
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ocv_clear_vars(GRFMT_LIBS) |
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if(HAVE_WINRT_CX) |
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /ZW") |
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endif() |
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if(HAVE_PNG OR HAVE_TIFF OR HAVE_OPENEXR) |
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ocv_include_directories(${ZLIB_INCLUDE_DIRS}) |
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list(APPEND GRFMT_LIBS ${ZLIB_LIBRARIES}) |
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endif() |
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if(HAVE_JPEG) |
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ocv_include_directories(${JPEG_INCLUDE_DIR}) |
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list(APPEND GRFMT_LIBS ${JPEG_LIBRARIES}) |
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endif() |
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if(WITH_WEBP) |
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add_definitions(-DHAVE_WEBP) |
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ocv_include_directories(${WEBP_INCLUDE_DIR}) |
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list(APPEND GRFMT_LIBS ${WEBP_LIBRARIES}) |
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endif() |
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if(HAVE_PNG) |
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add_definitions(${PNG_DEFINITIONS}) |
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ocv_include_directories(${PNG_INCLUDE_DIR}) |
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list(APPEND GRFMT_LIBS ${PNG_LIBRARIES}) |
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endif() |
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if(HAVE_TIFF) |
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ocv_include_directories(${TIFF_INCLUDE_DIR}) |
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list(APPEND GRFMT_LIBS ${TIFF_LIBRARIES}) |
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endif() |
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if(HAVE_JASPER) |
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ocv_include_directories(${JASPER_INCLUDE_DIR}) |
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list(APPEND GRFMT_LIBS ${JASPER_LIBRARIES}) |
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endif() |
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if(HAVE_OPENEXR) |
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include_directories(SYSTEM ${OPENEXR_INCLUDE_PATHS}) |
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list(APPEND GRFMT_LIBS ${OPENEXR_LIBRARIES}) |
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endif() |
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file(GLOB grfmt_hdrs src/grfmt*.hpp) |
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file(GLOB grfmt_srcs src/grfmt*.cpp) |
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list(APPEND grfmt_hdrs src/bitstrm.hpp) |
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list(APPEND grfmt_srcs src/bitstrm.cpp) |
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list(APPEND grfmt_hdrs src/rgbe.hpp) |
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list(APPEND grfmt_srcs src/rgbe.cpp) |
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source_group("Src\\grfmts" FILES ${grfmt_hdrs} ${grfmt_srcs}) |
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set(imgcodecs_hdrs |
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src/precomp.hpp |
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src/utils.hpp |
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) |
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set(imgcodecs_srcs |
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src/loadsave.cpp |
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src/utils.cpp |
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) |
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file(GLOB imgcodecs_ext_hdrs "include/opencv2/*.hpp" "include/opencv2/${name}/*.hpp" "include/opencv2/${name}/*.h") |
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if(IOS) |
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add_definitions(-DHAVE_IOS=1) |
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list(APPEND imgcodecs_srcs src/ios_conversions.mm) |
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list(APPEND IMGCODECS_LIBRARIES "-framework Accelerate" "-framework CoreGraphics" "-framework CoreImage" "-framework QuartzCore" "-framework AssetsLibrary") |
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endif() |
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if(UNIX) |
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#these variables are set by CHECK_MODULE macro |
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foreach(P ${IMGCODECS_INCLUDE_DIRS}) |
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ocv_include_directories(${P}) |
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endforeach() |
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foreach(P ${IMGCODECS_LIBRARY_DIRS}) |
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link_directories(${P}) |
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endforeach() |
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endif() |
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source_group("Src" FILES ${imgcodecs_srcs} ${imgcodecs_hdrs}) |
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source_group("Include" FILES ${imgcodecs_ext_hdrs}) |
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ocv_set_module_sources(HEADERS ${imgcodecs_ext_hdrs} SOURCES ${imgcodecs_srcs} ${imgcodecs_hdrs} ${grfmt_srcs} ${grfmt_hdrs}) |
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ocv_module_include_directories() |
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ocv_create_module(${GRFMT_LIBS} ${IMGCODECS_LIBRARIES}) |
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if(APPLE) |
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ocv_check_flag_support(OBJCXX "-fobjc-exceptions" HAVE_OBJC_EXCEPTIONS) |
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if(HAVE_OBJC_EXCEPTIONS) |
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foreach(source ${OPENCV_MODULE_${the_module}_SOURCES}) |
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if("${source}" MATCHES "\\.mm$") |
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get_source_file_property(flags "${source}" COMPILE_FLAGS) |
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if(flags) |
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set(flags "${_flags} -fobjc-exceptions") |
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else() |
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set(flags "-fobjc-exceptions") |
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endif() |
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set_source_files_properties("${source}" PROPERTIES COMPILE_FLAGS "${flags}") |
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endif() |
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endforeach() |
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endif() |
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endif() |
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if(BUILD_SHARED_LIBS) |
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add_definitions(-DIMGCODECS_EXPORTS) |
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endif() |
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if(MSVC) |
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set_target_properties(${the_module} PROPERTIES LINK_FLAGS "/NODEFAULTLIB:atlthunk.lib /NODEFAULTLIB:atlsd.lib /NODEFAULTLIB:libcmt.lib /DEBUG") |
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endif() |
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#stop automatic dependencies propagation for this module |
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set_target_properties(${the_module} PROPERTIES LINK_INTERFACE_LIBRARIES "") |
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ocv_add_precompiled_headers(${the_module}) |
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ocv_warnings_disable(CMAKE_CXX_FLAGS -Wno-deprecated-declarations) |
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ocv_add_accuracy_tests() |
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ocv_add_perf_tests() |
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@ -0,0 +1,10 @@ |
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***************************************** |
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imgcodecs. Image file reading and writing |
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***************************************** |
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This module of the OpenCV help you read and write images to/from disk or memory. |
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.. toctree:: |
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:maxdepth: 2 |
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reading_and_writing_images |
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@ -0,0 +1,187 @@ |
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Reading and Writing Images |
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========================== |
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|
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.. highlight:: cpp |
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|
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imdecode |
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-------- |
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Reads an image from a buffer in memory. |
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.. ocv:function:: Mat imdecode( InputArray buf, int flags ) |
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.. ocv:function:: Mat imdecode( InputArray buf, int flags, Mat* dst ) |
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.. ocv:cfunction:: IplImage* cvDecodeImage( const CvMat* buf, int iscolor=CV_LOAD_IMAGE_COLOR) |
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.. ocv:cfunction:: CvMat* cvDecodeImageM( const CvMat* buf, int iscolor=CV_LOAD_IMAGE_COLOR) |
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|
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.. ocv:pyfunction:: cv2.imdecode(buf, flags) -> retval |
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:param buf: Input array or vector of bytes. |
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:param flags: The same flags as in :ocv:func:`imread` . |
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:param dst: The optional output placeholder for the decoded matrix. It can save the image reallocations when the function is called repeatedly for images of the same size. |
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The function reads an image from the specified buffer in the memory. |
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If the buffer is too short or contains invalid data, the empty matrix/image is returned. |
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See |
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:ocv:func:`imread` for the list of supported formats and flags description. |
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.. note:: In the case of color images, the decoded images will have the channels stored in ``B G R`` order. |
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imencode |
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-------- |
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Encodes an image into a memory buffer. |
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.. ocv:function:: bool imencode( const String& ext, InputArray img, vector<uchar>& buf, const vector<int>& params=vector<int>()) |
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.. ocv:cfunction:: CvMat* cvEncodeImage( const char* ext, const CvArr* image, const int* params=0 ) |
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|
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.. ocv:pyfunction:: cv2.imencode(ext, img[, params]) -> retval, buf |
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:param ext: File extension that defines the output format. |
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:param img: Image to be written. |
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|
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:param buf: Output buffer resized to fit the compressed image. |
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|
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:param params: Format-specific parameters. See :ocv:func:`imwrite` . |
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The function compresses the image and stores it in the memory buffer that is resized to fit the result. |
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See |
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:ocv:func:`imwrite` for the list of supported formats and flags description. |
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.. note:: ``cvEncodeImage`` returns single-row matrix of type ``CV_8UC1`` that contains encoded image as array of bytes. |
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imread |
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------ |
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Loads an image from a file. |
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.. ocv:function:: Mat imread( const String& filename, int flags=IMREAD_COLOR ) |
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|
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.. ocv:pyfunction:: cv2.imread(filename[, flags]) -> retval |
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|
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.. ocv:cfunction:: IplImage* cvLoadImage( const char* filename, int iscolor=CV_LOAD_IMAGE_COLOR ) |
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|
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.. ocv:cfunction:: CvMat* cvLoadImageM( const char* filename, int iscolor=CV_LOAD_IMAGE_COLOR ) |
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|
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:param filename: Name of file to be loaded. |
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|
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:param flags: Flags specifying the color type of a loaded image: |
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|
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* CV_LOAD_IMAGE_ANYDEPTH - If set, return 16-bit/32-bit image when the input has the corresponding depth, otherwise convert it to 8-bit. |
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|
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* CV_LOAD_IMAGE_COLOR - If set, always convert image to the color one |
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|
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* CV_LOAD_IMAGE_GRAYSCALE - If set, always convert image to the grayscale one |
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|
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* **>0** Return a 3-channel color image. |
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.. note:: In the current implementation the alpha channel, if any, is stripped from the output image. Use negative value if you need the alpha channel. |
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|
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* **=0** Return a grayscale image. |
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|
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* **<0** Return the loaded image as is (with alpha channel). |
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|
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The function ``imread`` loads an image from the specified file and returns it. If the image cannot be read (because of missing file, improper permissions, unsupported or invalid format), the function returns an empty matrix ( ``Mat::data==NULL`` ). Currently, the following file formats are supported: |
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|
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* Windows bitmaps - ``*.bmp, *.dib`` (always supported) |
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|
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* JPEG files - ``*.jpeg, *.jpg, *.jpe`` (see the *Notes* section) |
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|
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* JPEG 2000 files - ``*.jp2`` (see the *Notes* section) |
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|
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* Portable Network Graphics - ``*.png`` (see the *Notes* section) |
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|
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* WebP - ``*.webp`` (see the *Notes* section) |
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|
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* Portable image format - ``*.pbm, *.pgm, *.ppm`` (always supported) |
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|
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* Sun rasters - ``*.sr, *.ras`` (always supported) |
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|
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* TIFF files - ``*.tiff, *.tif`` (see the *Notes* section) |
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|
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.. note:: |
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|
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* The function determines the type of an image by the content, not by the file extension. |
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|
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* On Microsoft Windows* OS and MacOSX*, the codecs shipped with an OpenCV image (libjpeg, libpng, libtiff, and libjasper) are used by default. So, OpenCV can always read JPEGs, PNGs, and TIFFs. On MacOSX, there is also an option to use native MacOSX image readers. But beware that currently these native image loaders give images with different pixel values because of the color management embedded into MacOSX. |
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|
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* On Linux*, BSD flavors and other Unix-like open-source operating systems, OpenCV looks for codecs supplied with an OS image. Install the relevant packages (do not forget the development files, for example, "libjpeg-dev", in Debian* and Ubuntu*) to get the codec support or turn on the ``OPENCV_BUILD_3RDPARTY_LIBS`` flag in CMake. |
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|
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.. note:: In the case of color images, the decoded images will have the channels stored in ``B G R`` order. |
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|
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imwrite |
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----------- |
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Saves an image to a specified file. |
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|
||||
.. ocv:function:: bool imwrite( const String& filename, InputArray img, const vector<int>& params=vector<int>() ) |
||||
|
||||
.. ocv:pyfunction:: cv2.imwrite(filename, img[, params]) -> retval |
||||
|
||||
.. ocv:cfunction:: int cvSaveImage( const char* filename, const CvArr* image, const int* params=0 ) |
||||
|
||||
:param filename: Name of the file. |
||||
|
||||
:param image: Image to be saved. |
||||
|
||||
:param params: Format-specific save parameters encoded as pairs ``paramId_1, paramValue_1, paramId_2, paramValue_2, ...`` . The following parameters are currently supported: |
||||
|
||||
* For JPEG, it can be a quality ( ``CV_IMWRITE_JPEG_QUALITY`` ) from 0 to 100 (the higher is the better). Default value is 95. |
||||
|
||||
* For WEBP, it can be a quality ( CV_IMWRITE_WEBP_QUALITY ) from 1 to 100 (the higher is the better). |
||||
By default (without any parameter) and for quality above 100 the lossless compression is used. |
||||
|
||||
* For PNG, it can be the compression level ( ``CV_IMWRITE_PNG_COMPRESSION`` ) from 0 to 9. A higher value means a smaller size and longer compression time. Default value is 3. |
||||
|
||||
* For PPM, PGM, or PBM, it can be a binary format flag ( ``CV_IMWRITE_PXM_BINARY`` ), 0 or 1. Default value is 1. |
||||
|
||||
The function ``imwrite`` saves the image to the specified file. The image format is chosen based on the ``filename`` extension (see |
||||
:ocv:func:`imread` for the list of extensions). Only 8-bit (or 16-bit unsigned (``CV_16U``) in case of PNG, JPEG 2000, and TIFF) single-channel or 3-channel (with 'BGR' channel order) images can be saved using this function. If the format, depth or channel order is different, use |
||||
:ocv:func:`Mat::convertTo` , and |
||||
:ocv:func:`cvtColor` to convert it before saving. Or, use the universal :ocv:class:`FileStorage` I/O functions to save the image to XML or YAML format. |
||||
|
||||
It is possible to store PNG images with an alpha channel using this function. To do this, create 8-bit (or 16-bit) 4-channel image BGRA, where the alpha channel goes last. Fully transparent pixels should have alpha set to 0, fully opaque pixels should have alpha set to 255/65535. The sample below shows how to create such a BGRA image and store to PNG file. It also demonstrates how to set custom compression parameters :: |
||||
|
||||
#include <vector> |
||||
#include <stdio.h> |
||||
#include <opencv2/opencv.hpp> |
||||
|
||||
using namespace cv; |
||||
using namespace std; |
||||
|
||||
void createAlphaMat(Mat &mat) |
||||
{ |
||||
for (int i = 0; i < mat.rows; ++i) { |
||||
for (int j = 0; j < mat.cols; ++j) { |
||||
Vec4b& rgba = mat.at<Vec4b>(i, j); |
||||
rgba[0] = UCHAR_MAX; |
||||
rgba[1] = saturate_cast<uchar>((float (mat.cols - j)) / ((float)mat.cols) * UCHAR_MAX); |
||||
rgba[2] = saturate_cast<uchar>((float (mat.rows - i)) / ((float)mat.rows) * UCHAR_MAX); |
||||
rgba[3] = saturate_cast<uchar>(0.5 * (rgba[1] + rgba[2])); |
||||
} |
||||
} |
||||
} |
||||
|
||||
int main(int argv, char **argc) |
||||
{ |
||||
// Create mat with alpha channel |
||||
Mat mat(480, 640, CV_8UC4); |
||||
createAlphaMat(mat); |
||||
|
||||
vector<int> compression_params; |
||||
compression_params.push_back(CV_IMWRITE_PNG_COMPRESSION); |
||||
compression_params.push_back(9); |
||||
|
||||
try { |
||||
imwrite("alpha.png", mat, compression_params); |
||||
} |
||||
catch (runtime_error& ex) { |
||||
fprintf(stderr, "Exception converting image to PNG format: %s\n", ex.what()); |
||||
return 1; |
||||
} |
||||
|
||||
fprintf(stdout, "Saved PNG file with alpha data.\n"); |
||||
return 0; |
||||
} |
||||
@ -0,0 +1,91 @@ |
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
||||
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of the copyright holders may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors "as is" and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#ifndef __OPENCV_IMGCODECS_HPP__ |
||||
#define __OPENCV_IMGCODECS_HPP__ |
||||
|
||||
#include "opencv2/core.hpp" |
||||
|
||||
//////////////////////////////// image codec ////////////////////////////////
|
||||
namespace cv |
||||
{ |
||||
|
||||
enum { IMREAD_UNCHANGED = -1, // 8bit, color or not
|
||||
IMREAD_GRAYSCALE = 0, // 8bit, gray
|
||||
IMREAD_COLOR = 1, // ?, color
|
||||
IMREAD_ANYDEPTH = 2, // any depth, ?
|
||||
IMREAD_ANYCOLOR = 4 // ?, any color
|
||||
}; |
||||
|
||||
enum { IMWRITE_JPEG_QUALITY = 1, |
||||
IMWRITE_JPEG_PROGRESSIVE = 2, |
||||
IMWRITE_JPEG_OPTIMIZE = 3, |
||||
IMWRITE_PNG_COMPRESSION = 16, |
||||
IMWRITE_PNG_STRATEGY = 17, |
||||
IMWRITE_PNG_BILEVEL = 18, |
||||
IMWRITE_PXM_BINARY = 32, |
||||
IMWRITE_WEBP_QUALITY = 64 |
||||
}; |
||||
|
||||
enum { IMWRITE_PNG_STRATEGY_DEFAULT = 0, |
||||
IMWRITE_PNG_STRATEGY_FILTERED = 1, |
||||
IMWRITE_PNG_STRATEGY_HUFFMAN_ONLY = 2, |
||||
IMWRITE_PNG_STRATEGY_RLE = 3, |
||||
IMWRITE_PNG_STRATEGY_FIXED = 4 |
||||
}; |
||||
|
||||
CV_EXPORTS_W Mat imread( const String& filename, int flags = IMREAD_COLOR ); |
||||
|
||||
CV_EXPORTS_W bool imwrite( const String& filename, InputArray img, |
||||
const std::vector<int>& params = std::vector<int>()); |
||||
|
||||
CV_EXPORTS_W Mat imdecode( InputArray buf, int flags ); |
||||
|
||||
CV_EXPORTS Mat imdecode( InputArray buf, int flags, Mat* dst); |
||||
|
||||
CV_EXPORTS_W bool imencode( const String& ext, InputArray img, |
||||
CV_OUT std::vector<uchar>& buf, |
||||
const std::vector<int>& params = std::vector<int>()); |
||||
|
||||
} // cv
|
||||
|
||||
#endif //__OPENCV_IMGCODECS_HPP__
|
||||
@ -0,0 +1,48 @@ |
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
||||
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
|
||||
// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of the copyright holders may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors "as is" and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#ifdef __OPENCV_BUILD |
||||
#error this is a compatibility header which should not be used inside the OpenCV library |
||||
#endif |
||||
|
||||
#include "opencv2/imgcodecs.hpp" |
||||
@ -0,0 +1,117 @@ |
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// Intel License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2000, Intel Corporation, all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of Intel Corporation may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors "as is" and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#ifndef __OPENCV_IMGCODECS_H__ |
||||
#define __OPENCV_IMGCODECS_H__ |
||||
|
||||
#include "opencv2/core/core_c.h" |
||||
|
||||
#ifdef __cplusplus |
||||
extern "C" { |
||||
#endif /* __cplusplus */ |
||||
|
||||
enum |
||||
{ |
||||
/* 8bit, color or not */ |
||||
CV_LOAD_IMAGE_UNCHANGED =-1, |
||||
/* 8bit, gray */ |
||||
CV_LOAD_IMAGE_GRAYSCALE =0, |
||||
/* ?, color */ |
||||
CV_LOAD_IMAGE_COLOR =1, |
||||
/* any depth, ? */ |
||||
CV_LOAD_IMAGE_ANYDEPTH =2, |
||||
/* ?, any color */ |
||||
CV_LOAD_IMAGE_ANYCOLOR =4 |
||||
}; |
||||
|
||||
/* load image from file
|
||||
iscolor can be a combination of above flags where CV_LOAD_IMAGE_UNCHANGED |
||||
overrides the other flags |
||||
using CV_LOAD_IMAGE_ANYCOLOR alone is equivalent to CV_LOAD_IMAGE_UNCHANGED |
||||
unless CV_LOAD_IMAGE_ANYDEPTH is specified images are converted to 8bit |
||||
*/ |
||||
CVAPI(IplImage*) cvLoadImage( const char* filename, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR)); |
||||
CVAPI(CvMat*) cvLoadImageM( const char* filename, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR)); |
||||
|
||||
enum |
||||
{ |
||||
CV_IMWRITE_JPEG_QUALITY =1, |
||||
CV_IMWRITE_JPEG_PROGRESSIVE =2, |
||||
CV_IMWRITE_JPEG_OPTIMIZE =3, |
||||
CV_IMWRITE_PNG_COMPRESSION =16, |
||||
CV_IMWRITE_PNG_STRATEGY =17, |
||||
CV_IMWRITE_PNG_BILEVEL =18, |
||||
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, |
||||
CV_IMWRITE_PXM_BINARY =32, |
||||
CV_IMWRITE_WEBP_QUALITY =64 |
||||
}; |
||||
|
||||
/* save image to file */ |
||||
CVAPI(int) cvSaveImage( const char* filename, const CvArr* image, |
||||
const int* params CV_DEFAULT(0) ); |
||||
|
||||
/* decode image stored in the buffer */ |
||||
CVAPI(IplImage*) cvDecodeImage( const CvMat* buf, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR)); |
||||
CVAPI(CvMat*) cvDecodeImageM( const CvMat* buf, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR)); |
||||
|
||||
/* encode image and store the result as a byte vector (single-row 8uC1 matrix) */ |
||||
CVAPI(CvMat*) cvEncodeImage( const char* ext, const CvArr* image, |
||||
const int* params CV_DEFAULT(0) ); |
||||
|
||||
enum |
||||
{ |
||||
CV_CVTIMG_FLIP =1, |
||||
CV_CVTIMG_SWAP_RB =2 |
||||
}; |
||||
|
||||
/* utility function: convert one image to another with optional vertical flip */ |
||||
CVAPI(void) cvConvertImage( const CvArr* src, CvArr* dst, int flags CV_DEFAULT(0)); |
||||
|
||||
|
||||
#ifdef __cplusplus |
||||
} |
||||
#endif |
||||
|
||||
#endif // __OPENCV_IMGCODECS_H__
|
||||
@ -0,0 +1,48 @@ |
||||
|
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
|
||||
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of the copyright holders may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors "as is" and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#include "opencv2/core/core.hpp" |
||||
|
||||
UIImage* MatToUIImage(const cv::Mat& image); |
||||
void UIImageToMat(const UIImage* image, |
||||
cv::Mat& m, bool alphaExist = false); |
||||
@ -0,0 +1,3 @@ |
||||
#include "perf_precomp.hpp" |
||||
|
||||
CV_PERF_TEST_MAIN(highgui) |
||||
@ -0,0 +1,19 @@ |
||||
#ifdef __GNUC__ |
||||
# pragma GCC diagnostic ignored "-Wmissing-declarations" |
||||
# if defined __clang__ || defined __APPLE__ |
||||
# pragma GCC diagnostic ignored "-Wmissing-prototypes" |
||||
# pragma GCC diagnostic ignored "-Wextra" |
||||
# endif |
||||
#endif |
||||
|
||||
#ifndef __OPENCV_PERF_PRECOMP_HPP__ |
||||
#define __OPENCV_PERF_PRECOMP_HPP__ |
||||
|
||||
#include "opencv2/ts.hpp" |
||||
#include "opencv2/imgcodecs.hpp" |
||||
|
||||
#ifdef GTEST_CREATE_SHARED_LIBRARY |
||||
#error no modules except ts should have GTEST_CREATE_SHARED_LIBRARY defined |
||||
#endif |
||||
|
||||
#endif |
||||
@ -0,0 +1,87 @@ |
||||
/*M///////////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
|
||||
//
|
||||
// By downloading, copying, installing or using the software you agree to this license.
|
||||
// If you do not agree to this license, do not download, install,
|
||||
// copy or use the software.
|
||||
//
|
||||
//
|
||||
// Intel License Agreement
|
||||
// For Open Source Computer Vision Library
|
||||
//
|
||||
// Copyright (C) 2000, Intel Corporation, all rights reserved.
|
||||
// Third party copyrights are property of their respective owners.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without modification,
|
||||
// are permitted provided that the following conditions are met:
|
||||
//
|
||||
// * Redistribution's of source code must retain the above copyright notice,
|
||||
// this list of conditions and the following disclaimer.
|
||||
//
|
||||
// * Redistribution's in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the following disclaimer in the documentation
|
||||
// and/or other materials provided with the distribution.
|
||||
//
|
||||
// * The name of Intel Corporation may not be used to endorse or promote products
|
||||
// derived from this software without specific prior written permission.
|
||||
//
|
||||
// This software is provided by the copyright holders and contributors "as is" and
|
||||
// any express or implied warranties, including, but not limited to, the implied
|
||||
// warranties of merchantability and fitness for a particular purpose are disclaimed.
|
||||
// In no event shall the Intel Corporation or contributors be liable for any direct,
|
||||
// indirect, incidental, special, exemplary, or consequential damages
|
||||
// (including, but not limited to, procurement of substitute goods or services;
|
||||
// loss of use, data, or profits; or business interruption) however caused
|
||||
// and on any theory of liability, whether in contract, strict liability,
|
||||
// or tort (including negligence or otherwise) arising in any way out of
|
||||
// the use of this software, even if advised of the possibility of such damage.
|
||||
//
|
||||
//M*/
|
||||
|
||||
#ifndef __IMGCODECS_H_ |
||||
#define __IMGCODECS_H_ |
||||
|
||||
#include "opencv2/imgcodecs.hpp" |
||||
|
||||
#include "opencv2/core/utility.hpp" |
||||
#include "opencv2/core/private.hpp" |
||||
|
||||
#include "opencv2/imgproc/imgproc_c.h" |
||||
#include "opencv2/imgcodecs/imgcodecs_c.h" |
||||
|
||||
#include <stdlib.h> |
||||
#include <stdio.h> |
||||
#include <string.h> |
||||
#include <limits.h> |
||||
#include <ctype.h> |
||||
#include <assert.h> |
||||
|
||||
#if defined WIN32 || defined WINCE |
||||
#if !defined _WIN32_WINNT |
||||
#ifdef HAVE_MSMF |
||||
#define _WIN32_WINNT 0x0600 // Windows Vista
|
||||
#else |
||||
#define _WIN32_WINNT 0x0500 // Windows 2000
|
||||
#endif |
||||
#endif |
||||
|
||||
#include <windows.h> |
||||
#undef small |
||||
#undef min |
||||
#undef max |
||||
#undef abs |
||||
#endif |
||||
|
||||
#ifdef HAVE_TEGRA_OPTIMIZATION |
||||
#include "opencv2/imgcodecs/imgcodecs_tegra.hpp" |
||||
#endif |
||||
|
||||
#define __BEGIN__ __CV_BEGIN__ |
||||
#define __END__ __CV_END__ |
||||
#define EXIT __CV_EXIT__ |
||||
|
||||
CVAPI(int) cvHaveImageReader(const char* filename); |
||||
CVAPI(int) cvHaveImageWriter(const char* filename); |
||||
|
||||
#endif /* __HIGHGUI_H_ */ |
||||
@ -0,0 +1,3 @@ |
||||
#include "test_precomp.hpp" |
||||
|
||||
CV_TEST_MAIN("imgcodecs") |
||||
@ -0,0 +1,20 @@ |
||||
#ifdef __GNUC__ |
||||
# pragma GCC diagnostic ignored "-Wmissing-declarations" |
||||
# if defined __clang__ || defined __APPLE__ |
||||
# pragma GCC diagnostic ignored "-Wmissing-prototypes" |
||||
# pragma GCC diagnostic ignored "-Wextra" |
||||
# endif |
||||
#endif |
||||
|
||||
#ifndef __OPENCV_TEST_PRECOMP_HPP__ |
||||
#define __OPENCV_TEST_PRECOMP_HPP__ |
||||
|
||||
#include <iostream> |
||||
#include "opencv2/ts.hpp" |
||||
#include "opencv2/imgproc.hpp" |
||||
#include "opencv2/imgcodecs.hpp" |
||||
#include "opencv2/imgproc/imgproc_c.h" |
||||
|
||||
#include "opencv2/core/private.hpp" |
||||
|
||||
#endif |
||||
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