opencv/modules/highgui/include/opencv2/highgui.hpp
2014-07-14 23:16:47 +04:00

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7.9 KiB
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#ifndef __OPENCV_HIGHGUI_HPP__
#define __OPENCV_HIGHGUI_HPP__
#include "opencv2/core.hpp"
///////////////////////// graphical user interface //////////////////////////
namespace cv
{
// Flags for namedWindow
enum { WINDOW_NORMAL = 0x00000000, // the user can resize the window (no constraint) / also use to switch a fullscreen window to a normal size
WINDOW_AUTOSIZE = 0x00000001, // the user cannot resize the window, the size is constrainted by the image displayed
WINDOW_OPENGL = 0x00001000, // window with opengl support
WINDOW_FULLSCREEN = 1, // change the window to fullscreen
WINDOW_FREERATIO = 0x00000100, // the image expends as much as it can (no ratio constraint)
WINDOW_KEEPRATIO = 0x00000000 // the ratio of the image is respected
};
// Flags for set / getWindowProperty
enum { WND_PROP_FULLSCREEN = 0, // fullscreen property (can be WINDOW_NORMAL or WINDOW_FULLSCREEN)
WND_PROP_AUTOSIZE = 1, // autosize property (can be WINDOW_NORMAL or WINDOW_AUTOSIZE)
WND_PROP_ASPECT_RATIO = 2, // window's aspect ration (can be set to WINDOW_FREERATIO or WINDOW_KEEPRATIO);
WND_PROP_OPENGL = 3 // opengl support
};
enum { EVENT_MOUSEMOVE = 0,
EVENT_LBUTTONDOWN = 1,
EVENT_RBUTTONDOWN = 2,
EVENT_MBUTTONDOWN = 3,
EVENT_LBUTTONUP = 4,
EVENT_RBUTTONUP = 5,
EVENT_MBUTTONUP = 6,
EVENT_LBUTTONDBLCLK = 7,
EVENT_RBUTTONDBLCLK = 8,
EVENT_MBUTTONDBLCLK = 9,
EVENT_MOUSEWHEEL = 10,
EVENT_MOUSEHWHEEL = 11
};
enum { EVENT_FLAG_LBUTTON = 1,
EVENT_FLAG_RBUTTON = 2,
EVENT_FLAG_MBUTTON = 4,
EVENT_FLAG_CTRLKEY = 8,
EVENT_FLAG_SHIFTKEY = 16,
EVENT_FLAG_ALTKEY = 32
};
// Qt font
enum { QT_FONT_LIGHT = 25, //QFont::Light,
QT_FONT_NORMAL = 50, //QFont::Normal,
QT_FONT_DEMIBOLD = 63, //QFont::DemiBold,
QT_FONT_BOLD = 75, //QFont::Bold,
QT_FONT_BLACK = 87 //QFont::Black
};
// Qt font style
enum { QT_STYLE_NORMAL = 0, //QFont::StyleNormal,
QT_STYLE_ITALIC = 1, //QFont::StyleItalic,
QT_STYLE_OBLIQUE = 2 //QFont::StyleOblique
};
// Qt "button" type
enum { QT_PUSH_BUTTON = 0,
QT_CHECKBOX = 1,
QT_RADIOBOX = 2
};
typedef void (*MouseCallback)(int event, int x, int y, int flags, void* userdata);
typedef void (*TrackbarCallback)(int pos, void* userdata);
typedef void (*OpenGlDrawCallback)(void* userdata);
typedef void (*ButtonCallback)(int state, void* userdata);
CV_EXPORTS_W void namedWindow(const String& winname, int flags = WINDOW_AUTOSIZE);
CV_EXPORTS_W void destroyWindow(const String& winname);
CV_EXPORTS_W void destroyAllWindows();
CV_EXPORTS_W int startWindowThread();
CV_EXPORTS_W int waitKey(int delay = 0);
CV_EXPORTS_W void imshow(const String& winname, InputArray mat);
CV_EXPORTS_W void resizeWindow(const String& winname, int width, int height);
CV_EXPORTS_W void moveWindow(const String& winname, int x, int y);
CV_EXPORTS_W void setWindowProperty(const String& winname, int prop_id, double prop_value);
CV_EXPORTS_W double getWindowProperty(const String& winname, int prop_id);
//! assigns callback for mouse events
CV_EXPORTS void setMouseCallback(const String& winname, MouseCallback onMouse, void* userdata = 0);
CV_EXPORTS int getMouseWheelDelta(int flags);
CV_EXPORTS int createTrackbar(const String& trackbarname, const String& winname,
int* value, int count,
TrackbarCallback onChange = 0,
void* userdata = 0);
CV_EXPORTS_W int getTrackbarPos(const String& trackbarname, const String& winname);
CV_EXPORTS_W void setTrackbarPos(const String& trackbarname, const String& winname, int pos);
// OpenGL support
CV_EXPORTS void imshow(const String& winname, const ogl::Texture2D& tex);
CV_EXPORTS void setOpenGlDrawCallback(const String& winname, OpenGlDrawCallback onOpenGlDraw, void* userdata = 0);
CV_EXPORTS void setOpenGlContext(const String& winname);
CV_EXPORTS void updateWindow(const String& winname);
// Only for Qt
struct QtFont
{
const char* nameFont; // Qt: nameFont
Scalar color; // Qt: ColorFont -> cvScalar(blue_component, green_component, red\_component[, alpha_component])
int font_face; // Qt: bool italic
const int* ascii; // font data and metrics
const int* greek;
const int* cyrillic;
float hscale, vscale;
float shear; // slope coefficient: 0 - normal, >0 - italic
int thickness; // Qt: weight
float dx; // horizontal interval between letters
int line_type; // Qt: PointSize
};
CV_EXPORTS QtFont 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);
CV_EXPORTS void addText( const Mat& img, const String& text, Point org, const QtFont& font);
CV_EXPORTS void displayOverlay(const String& winname, const String& text, int delayms = 0);
CV_EXPORTS void displayStatusBar(const String& winname, const String& text, int delayms = 0);
CV_EXPORTS void saveWindowParameters(const String& windowName);
CV_EXPORTS void loadWindowParameters(const String& windowName);
CV_EXPORTS int startLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]);
CV_EXPORTS void stopLoop();
CV_EXPORTS int createButton( const String& bar_name, ButtonCallback on_change,
void* userdata = 0, int type = QT_PUSH_BUTTON,
bool initial_button_state = false);
} // cv
#endif