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highgui.hpp File Reference
#include "opencv2/core.hpp"
Classes | |
struct | cv::QtFont |
QtFont available only for Qt. See cv::fontQt. More... | |
Namespaces | |
namespace | cv |
"black box" representation of the file storage associated with a file on disk. | |
Typedefs | |
typedef void(* | cv::ButtonCallback) (int state, void *userdata) |
Callback function for a button created by cv::createButton. | |
typedef void(* | cv::MouseCallback) (int event, int x, int y, int flags, void *userdata) |
Callback function for mouse events. see cv::setMouseCallback. | |
typedef void(* | cv::OpenGlDrawCallback) (void *userdata) |
Callback function defined to be called every frame. See cv::setOpenGlDrawCallback. | |
typedef void(* | cv::TrackbarCallback) (int pos, void *userdata) |
Callback function for Trackbar see cv::createTrackbar. | |
Functions | |
void | cv::addText (const Mat &img, const String &text, Point org, const QtFont &font) |
Draws a text on the image. | |
void | cv::addText (const Mat &img, const String &text, Point org, const String &nameFont, int pointSize=-1, Scalar color=Scalar::all(0), int weight=QT_FONT_NORMAL, int style=QT_STYLE_NORMAL, int spacing=0) |
Draws a text on the image. | |
int | cv::createButton (const String &bar_name, ButtonCallback on_change, void *userdata=0, int type=QT_PUSH_BUTTON, bool initial_button_state=false) |
Attaches a button to the control panel. | |
int | cv::createTrackbar (const String &trackbarname, const String &winname, int *value, int count, TrackbarCallback onChange=0, void *userdata=0) |
Creates a trackbar and attaches it to the specified window. | |
void | cv::destroyAllWindows () |
Destroys all of the HighGUI windows. | |
void | cv::destroyWindow (const String &winname) |
Destroys the specified window. | |
void | cv::displayOverlay (const String &winname, const String &text, int delayms=0) |
Displays a text on a window image as an overlay for a specified duration. | |
void | cv::displayStatusBar (const String &winname, const String &text, int delayms=0) |
Displays a text on the window statusbar during the specified period of time. | |
QtFont | cv::fontQt (const String &nameFont, int pointSize=-1, Scalar color=Scalar::all(0), int weight=QT_FONT_NORMAL, int style=QT_STYLE_NORMAL, int spacing=0) |
Creates the font to draw a text on an image. | |
int | cv::getMouseWheelDelta (int flags) |
Gets the mouse-wheel motion delta, when handling mouse-wheel events cv::EVENT_MOUSEWHEEL and cv::EVENT_MOUSEHWHEEL. | |
int | cv::getTrackbarPos (const String &trackbarname, const String &winname) |
Returns the trackbar position. | |
Rect | cv::getWindowImageRect (const String &winname) |
Provides rectangle of image in the window. | |
double | cv::getWindowProperty (const String &winname, int prop_id) |
Provides parameters of a window. | |
void | cv::imshow (const String &winname, const ogl::Texture2D &tex) |
Displays OpenGL 2D texture in the specified window. | |
void | cv::imshow (const String &winname, InputArray mat) |
Displays an image in the specified window. | |
void | cv::loadWindowParameters (const String &windowName) |
Loads parameters of the specified window. | |
void | cv::moveWindow (const String &winname, int x, int y) |
Moves the window to the specified position. | |
void | cv::namedWindow (const String &winname, int flags=WINDOW_AUTOSIZE) |
Creates a window. | |
int | cv::pollKey () |
Polls for a pressed key. | |
void | cv::resizeWindow (const String &winname, const cv::Size &size) |
void | cv::resizeWindow (const String &winname, int width, int height) |
Resizes the window to the specified size. | |
void | cv::saveWindowParameters (const String &windowName) |
Saves parameters of the specified window. | |
Rect | cv::selectROI (const String &windowName, InputArray img, bool showCrosshair=true, bool fromCenter=false, bool printNotice=true) |
Allows users to select a ROI on the given image. | |
Rect | cv::selectROI (InputArray img, bool showCrosshair=true, bool fromCenter=false, bool printNotice=true) |
void | cv::selectROIs (const String &windowName, InputArray img, std::vector< Rect > &boundingBoxes, bool showCrosshair=true, bool fromCenter=false, bool printNotice=true) |
Allows users to select multiple ROIs on the given image. | |
void | cv::setMouseCallback (const String &winname, MouseCallback onMouse, void *userdata=0) |
Sets mouse handler for the specified window. | |
void | cv::setOpenGlContext (const String &winname) |
Sets the specified window as current OpenGL context. | |
void | cv::setOpenGlDrawCallback (const String &winname, OpenGlDrawCallback onOpenGlDraw, void *userdata=0) |
Sets a callback function to be called to draw on top of displayed image. | |
void | cv::setTrackbarMax (const String &trackbarname, const String &winname, int maxval) |
Sets the trackbar maximum position. | |
void | cv::setTrackbarMin (const String &trackbarname, const String &winname, int minval) |
Sets the trackbar minimum position. | |
void | cv::setTrackbarPos (const String &trackbarname, const String &winname, int pos) |
Sets the trackbar position. | |
void | cv::setWindowProperty (const String &winname, int prop_id, double prop_value) |
Changes parameters of a window dynamically. | |
void | cv::setWindowTitle (const String &winname, const String &title) |
Updates window title. | |
int | cv::startLoop (int(*pt2Func)(int argc, char *argv[]), int argc, char *argv[]) |
int | cv::startWindowThread () |
void | cv::stopLoop () |
void | cv::updateWindow (const String &winname) |
Force window to redraw its context and call draw callback ( See cv::setOpenGlDrawCallback ). | |
int | cv::waitKey (int delay=0) |
Waits for a pressed key. | |
int | cv::waitKeyEx (int delay=0) |
Similar to waitKey, but returns full key code. | |