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409 lines
15 KiB
C
409 lines
15 KiB
C
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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//
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//
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// Intel License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of Intel Corporation may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef __OPENCV_HIGHGUI_H__
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#define __OPENCV_HIGHGUI_H__
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#include "opencv2/core/core_c.h"
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#if defined WIN32 || defined _WIN32
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#include <windows.h>
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#undef min
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#undef max
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/****************************************************************************************\
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* Basic GUI functions *
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\****************************************************************************************/
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//YV
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//-----------New for Qt
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/* For font */
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enum { CV_FONT_LIGHT = 25,//QFont::Light,
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CV_FONT_NORMAL = 50,//QFont::Normal,
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CV_FONT_DEMIBOLD = 63,//QFont::DemiBold,
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CV_FONT_BOLD = 75,//QFont::Bold,
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CV_FONT_BLACK = 87 //QFont::Black
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};
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enum { CV_STYLE_NORMAL = 0,//QFont::StyleNormal,
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CV_STYLE_ITALIC = 1,//QFont::StyleItalic,
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CV_STYLE_OBLIQUE = 2 //QFont::StyleOblique
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};
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/* ---------*/
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//for color cvScalar(blue_component, green_component, red\_component[, alpha_component])
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//and alpha= 0 <-> 0xFF (not transparent <-> transparent)
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CVAPI(CvFont) cvFontQt(const char* nameFont, int pointSize CV_DEFAULT(-1), CvScalar color CV_DEFAULT(cvScalarAll(0)), int weight CV_DEFAULT(CV_FONT_NORMAL), int style CV_DEFAULT(CV_STYLE_NORMAL), int spacing CV_DEFAULT(0));
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CVAPI(void) cvAddText(const CvArr* img, const char* text, CvPoint org, CvFont *arg2);
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CVAPI(void) cvDisplayOverlay(const char* name, const char* text, int delayms);
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CVAPI(void) cvDisplayStatusBar(const char* name, const char* text, int delayms);
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typedef void (CV_CDECL *CvOpenGLCallback)(void* userdata);
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CVAPI(void) cvCreateOpenGLCallback( const char* window_name, CvOpenGLCallback callbackOpenGL, void* userdata CV_DEFAULT(NULL), double angle CV_DEFAULT(-1), double zmin CV_DEFAULT(-1), double zmax CV_DEFAULT(-1));
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CVAPI(void) cvSaveWindowParameters(const char* name);
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CVAPI(void) cvLoadWindowParameters(const char* name);
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CVAPI(int) cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* argv[]);
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CVAPI(void) cvStopLoop();
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typedef void (CV_CDECL *CvButtonCallback)(int state, void* userdata);
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enum {CV_PUSH_BUTTON = 0, CV_CHECKBOX = 1, CV_RADIOBOX = 2};
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CVAPI(int) cvCreateButton( const char* button_name CV_DEFAULT(NULL),CvButtonCallback on_change CV_DEFAULT(NULL), void* userdata CV_DEFAULT(NULL) , int button_type CV_DEFAULT(CV_PUSH_BUTTON), int initial_button_state CV_DEFAULT(0));
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//----------------------
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/* this function is used to set some external parameters in case of X Window */
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CVAPI(int) cvInitSystem( int argc, char** argv );
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CVAPI(int) cvStartWindowThread();
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// --------- YV ---------
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enum
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{
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//These 3 flags are used by cvSet/GetWindowProperty
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CV_WND_PROP_FULLSCREEN = 0,//to change/get window's fullscreen property
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CV_WND_PROP_AUTOSIZE = 1,//to change/get window's autosize property
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CV_WND_PROP_ASPECTRATIO= 2,//to change/get window's aspectratio property
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//
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//These 2 flags are used by cvNamedWindow and cvSet/GetWindowProperty
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CV_WINDOW_NORMAL = 0x00000000,//the user can resize the window (no constraint) / also use to switch a fullscreen window to a normal size
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CV_WINDOW_AUTOSIZE = 0x00000001,//the user cannot resize the window, the size is constrainted by the image displayed
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//
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//Those flags are only for Qt
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CV_GUI_EXPANDED = 0x00000000,//status bar and tool bar
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CV_GUI_NORMAL = 0x00000010,//old fashious way
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//
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//These 3 flags are used by cvNamedWindow and cvSet/GetWindowProperty
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CV_WINDOW_FULLSCREEN = 1,//change the window to fullscreen
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CV_WINDOW_FREERATIO = 0x00000100,//the image expends as much as it can (no ratio constraint)
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CV_WINDOW_KEEPRATIO = 0x00000000//the ration image is respected.
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};
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/* create window */
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CVAPI(int) cvNamedWindow( const char* name, int flags CV_DEFAULT(CV_WINDOW_AUTOSIZE) );
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/* Set and Get Property of the window */
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CVAPI(void) cvSetWindowProperty(const char* name, int prop_id, double prop_value);
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CVAPI(double) cvGetWindowProperty(const char* name, int prop_id);
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/* display image within window (highgui windows remember their content) */
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CVAPI(void) cvShowImage( const char* name, const CvArr* image );
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/* resize/move window */
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CVAPI(void) cvResizeWindow( const char* name, int width, int height );
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CVAPI(void) cvMoveWindow( const char* name, int x, int y );
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/* destroy window and all the trackers associated with it */
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CVAPI(void) cvDestroyWindow( const char* name );
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CVAPI(void) cvDestroyAllWindows(void);
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/* get native window handle (HWND in case of Win32 and Widget in case of X Window) */
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CVAPI(void*) cvGetWindowHandle( const char* name );
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/* get name of highgui window given its native handle */
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CVAPI(const char*) cvGetWindowName( void* window_handle );
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typedef void (CV_CDECL *CvTrackbarCallback)(int pos);
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/* create trackbar and display it on top of given window, set callback */
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CVAPI(int) cvCreateTrackbar( const char* trackbar_name, const char* window_name,
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int* value, int count, CvTrackbarCallback on_change CV_DEFAULT(NULL));
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typedef void (CV_CDECL *CvTrackbarCallback2)(int pos, void* userdata);
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CVAPI(int) cvCreateTrackbar2( const char* trackbar_name, const char* window_name,
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int* value, int count, CvTrackbarCallback2 on_change,
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void* userdata CV_DEFAULT(0));
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/* retrieve or set trackbar position */
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CVAPI(int) cvGetTrackbarPos( const char* trackbar_name, const char* window_name );
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CVAPI(void) cvSetTrackbarPos( const char* trackbar_name, const char* window_name, int pos );
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enum
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{
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CV_EVENT_MOUSEMOVE =0,
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CV_EVENT_LBUTTONDOWN =1,
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CV_EVENT_RBUTTONDOWN =2,
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CV_EVENT_MBUTTONDOWN =3,
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CV_EVENT_LBUTTONUP =4,
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CV_EVENT_RBUTTONUP =5,
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CV_EVENT_MBUTTONUP =6,
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CV_EVENT_LBUTTONDBLCLK =7,
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CV_EVENT_RBUTTONDBLCLK =8,
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CV_EVENT_MBUTTONDBLCLK =9
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};
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enum
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{
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CV_EVENT_FLAG_LBUTTON =1,
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CV_EVENT_FLAG_RBUTTON =2,
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CV_EVENT_FLAG_MBUTTON =4,
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CV_EVENT_FLAG_CTRLKEY =8,
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CV_EVENT_FLAG_SHIFTKEY =16,
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CV_EVENT_FLAG_ALTKEY =32
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};
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typedef void (CV_CDECL *CvMouseCallback )(int event, int x, int y, int flags, void* param);
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/* assign callback for mouse events */
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CVAPI(void) cvSetMouseCallback( const char* window_name, CvMouseCallback on_mouse,
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void* param CV_DEFAULT(NULL));
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enum
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{
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/* 8bit, color or not */
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CV_LOAD_IMAGE_UNCHANGED =-1,
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/* 8bit, gray */
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CV_LOAD_IMAGE_GRAYSCALE =0,
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/* ?, color */
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CV_LOAD_IMAGE_COLOR =1,
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/* any depth, ? */
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CV_LOAD_IMAGE_ANYDEPTH =2,
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/* ?, any color */
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CV_LOAD_IMAGE_ANYCOLOR =4
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};
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/* load image from file
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iscolor can be a combination of above flags where CV_LOAD_IMAGE_UNCHANGED
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overrides the other flags
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using CV_LOAD_IMAGE_ANYCOLOR alone is equivalent to CV_LOAD_IMAGE_UNCHANGED
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unless CV_LOAD_IMAGE_ANYDEPTH is specified images are converted to 8bit
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*/
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CVAPI(IplImage*) cvLoadImage( const char* filename, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR));
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CVAPI(CvMat*) cvLoadImageM( const char* filename, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR));
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enum
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{
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CV_IMWRITE_JPEG_QUALITY =1,
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CV_IMWRITE_PNG_COMPRESSION =16,
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CV_IMWRITE_PXM_BINARY =32
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};
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/* save image to file */
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CVAPI(int) cvSaveImage( const char* filename, const CvArr* image,
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const int* params CV_DEFAULT(0) );
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/* decode image stored in the buffer */
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CVAPI(IplImage*) cvDecodeImage( const CvMat* buf, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR));
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CVAPI(CvMat*) cvDecodeImageM( const CvMat* buf, int iscolor CV_DEFAULT(CV_LOAD_IMAGE_COLOR));
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/* encode image and store the result as a byte vector (single-row 8uC1 matrix) */
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CVAPI(CvMat*) cvEncodeImage( const char* ext, const CvArr* image,
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const int* params CV_DEFAULT(0) );
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enum
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{
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CV_CVTIMG_FLIP =1,
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CV_CVTIMG_SWAP_RB =2
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};
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/* utility function: convert one image to another with optional vertical flip */
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CVAPI(void) cvConvertImage( const CvArr* src, CvArr* dst, int flags CV_DEFAULT(0));
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/* wait for key event infinitely (delay<=0) or for "delay" milliseconds */
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CVAPI(int) cvWaitKey(int delay CV_DEFAULT(0));
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/****************************************************************************************\
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* Working with Video Files and Cameras *
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\****************************************************************************************/
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/* "black box" capture structure */
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typedef struct CvCapture CvCapture;
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/* start capturing frames from video file */
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CVAPI(CvCapture*) cvCreateFileCapture( const char* filename );
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enum
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{
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CV_CAP_ANY =0, // autodetect
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CV_CAP_MIL =100, // MIL proprietary drivers
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CV_CAP_VFW =200, // platform native
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CV_CAP_V4L =200,
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CV_CAP_V4L2 =200,
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CV_CAP_FIREWARE =300, // IEEE 1394 drivers
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CV_CAP_FIREWIRE =300,
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CV_CAP_IEEE1394 =300,
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CV_CAP_DC1394 =300,
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CV_CAP_CMU1394 =300,
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CV_CAP_STEREO =400, // TYZX proprietary drivers
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CV_CAP_TYZX =400,
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CV_TYZX_LEFT =400,
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CV_TYZX_RIGHT =401,
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CV_TYZX_COLOR =402,
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CV_TYZX_Z =403,
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CV_CAP_QT =500, // QuickTime
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CV_CAP_UNICAP =600, // Unicap drivers
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CV_CAP_DSHOW =700, // DirectShow (via videoInput)
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CV_CAP_PVAPI =800 // PvAPI, Prosilica GigE SDK
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};
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/* start capturing frames from camera: index = camera_index + domain_offset (CV_CAP_*) */
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CVAPI(CvCapture*) cvCreateCameraCapture( int index );
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/* grab a frame, return 1 on success, 0 on fail.
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this function is thought to be fast */
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CVAPI(int) cvGrabFrame( CvCapture* capture );
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/* get the frame grabbed with cvGrabFrame(..)
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This function may apply some frame processing like
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frame decompression, flipping etc.
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!!!DO NOT RELEASE or MODIFY the retrieved frame!!! */
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CVAPI(IplImage*) cvRetrieveFrame( CvCapture* capture, int streamIdx CV_DEFAULT(0) );
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/* Just a combination of cvGrabFrame and cvRetrieveFrame
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!!!DO NOT RELEASE or MODIFY the retrieved frame!!! */
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CVAPI(IplImage*) cvQueryFrame( CvCapture* capture );
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/* stop capturing/reading and free resources */
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CVAPI(void) cvReleaseCapture( CvCapture** capture );
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enum
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{
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CV_CAP_PROP_POS_MSEC =0,
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CV_CAP_PROP_POS_FRAMES =1,
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CV_CAP_PROP_POS_AVI_RATIO =2,
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CV_CAP_PROP_FRAME_WIDTH =3,
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CV_CAP_PROP_FRAME_HEIGHT =4,
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CV_CAP_PROP_FPS =5,
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CV_CAP_PROP_FOURCC =6,
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CV_CAP_PROP_FRAME_COUNT =7,
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CV_CAP_PROP_FORMAT =8,
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CV_CAP_PROP_MODE =9,
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CV_CAP_PROP_BRIGHTNESS =10,
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CV_CAP_PROP_CONTRAST =11,
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CV_CAP_PROP_SATURATION =12,
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CV_CAP_PROP_HUE =13,
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CV_CAP_PROP_GAIN =14,
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CV_CAP_PROP_EXPOSURE =15,
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CV_CAP_PROP_CONVERT_RGB =16,
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CV_CAP_PROP_WHITE_BALANCE =17,
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CV_CAP_PROP_RECTIFICATION =18,
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CV_CAP_PROP_MONOCROME =19
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};
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/* retrieve or set capture properties */
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CVAPI(double) cvGetCaptureProperty( CvCapture* capture, int property_id );
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CVAPI(int) cvSetCaptureProperty( CvCapture* capture, int property_id, double value );
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// Return the type of the capturer (eg, CV_CAP_V4W, CV_CAP_UNICAP), which is unknown if created with CV_CAP_ANY
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CVAPI(int) cvGetCaptureDomain( CvCapture* capture);
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/* "black box" video file writer structure */
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typedef struct CvVideoWriter CvVideoWriter;
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CV_INLINE int CV_FOURCC(char c1, char c2, char c3, char c4)
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{
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return (c1 & 255) + ((c2 & 255) << 8) + ((c3 &255) << 16) + ((c4 & 255) << 24);
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}
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#define CV_FOURCC_PROMPT -1 /* Open Codec Selection Dialog (Windows only) */
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#define CV_FOURCC_DEFAULT CV_FOURCC('I', 'Y', 'U', 'V') /* Use default codec for specified filename (Linux only) */
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/* initialize video file writer */
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CVAPI(CvVideoWriter*) cvCreateVideoWriter( const char* filename, int fourcc,
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double fps, CvSize frame_size,
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int is_color CV_DEFAULT(1));
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//CVAPI(CvVideoWriter*) cvCreateImageSequenceWriter( const char* filename,
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// int is_color CV_DEFAULT(1));
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/* write frame to video file */
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CVAPI(int) cvWriteFrame( CvVideoWriter* writer, const IplImage* image );
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/* close video file writer */
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CVAPI(void) cvReleaseVideoWriter( CvVideoWriter** writer );
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/****************************************************************************************\
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* Obsolete functions/synonyms *
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\****************************************************************************************/
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#define cvCaptureFromFile cvCreateFileCapture
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#define cvCaptureFromCAM cvCreateCameraCapture
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#define cvCaptureFromAVI cvCaptureFromFile
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#define cvCreateAVIWriter cvCreateVideoWriter
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#define cvWriteToAVI cvWriteFrame
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#define cvAddSearchPath(path)
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#define cvvInitSystem cvInitSystem
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#define cvvNamedWindow cvNamedWindow
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#define cvvShowImage cvShowImage
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#define cvvResizeWindow cvResizeWindow
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#define cvvDestroyWindow cvDestroyWindow
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#define cvvCreateTrackbar cvCreateTrackbar
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#define cvvLoadImage(name) cvLoadImage((name),1)
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#define cvvSaveImage cvSaveImage
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#define cvvAddSearchPath cvAddSearchPath
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#define cvvWaitKey(name) cvWaitKey(0)
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#define cvvWaitKeyEx(name,delay) cvWaitKey(delay)
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#define cvvConvertImage cvConvertImage
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#define HG_AUTOSIZE CV_WINDOW_AUTOSIZE
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#define set_preprocess_func cvSetPreprocessFuncWin32
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#define set_postprocess_func cvSetPostprocessFuncWin32
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#if defined WIN32 || defined _WIN32
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typedef int (CV_CDECL * CvWin32WindowCallback)(HWND, UINT, WPARAM, LPARAM, int*);
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CVAPI(void) cvSetPreprocessFuncWin32( CvWin32WindowCallback on_preprocess );
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CVAPI(void) cvSetPostprocessFuncWin32( CvWin32WindowCallback on_postprocess );
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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