+++ /dev/null
-/*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*/
-
-#include "_highgui.h"
-
-#if defined WIN32 || defined WIN64
-
-#if _MSC_VER >= 1200
-#pragma warning( disable: 4710 )
-#endif
-
-#include <commctrl.h>
-#include <winuser.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <assert.h>
-
-static const char* trackbar_text =
-" ";
-
-#if defined WIN64 || defined EM64T
-
-#define icvGetWindowLongPtr GetWindowLongPtr
-#define icvSetWindowLongPtr( hwnd, id, ptr ) SetWindowLongPtr( hwnd, id, (LONG_PTR)(ptr) )
-#define icvGetClassLongPtr GetClassLongPtr
-
-#define CV_USERDATA GWLP_USERDATA
-#define CV_WNDPROC GWLP_WNDPROC
-#define CV_HCURSOR GCLP_HCURSOR
-#define CV_HBRBACKGROUND GCLP_HBRBACKGROUND
-
-#else
-
-#define icvGetWindowLongPtr GetWindowLong
-#define icvSetWindowLongPtr( hwnd, id, ptr ) SetWindowLong( hwnd, id, (size_t)ptr )
-#define icvGetClassLongPtr GetClassLong
-
-#define CV_USERDATA GWL_USERDATA
-#define CV_WNDPROC GWL_WNDPROC
-#define CV_HCURSOR GCL_HCURSOR
-#define CV_HBRBACKGROUND GCL_HBRBACKGROUND
-
-#endif
-
-void FillBitmapInfo( BITMAPINFO* bmi, int width, int height, int bpp, int origin )
-{
- assert( bmi && width >= 0 && height >= 0 && (bpp == 8 || bpp == 24 || bpp == 32));
-
- BITMAPINFOHEADER* bmih = &(bmi->bmiHeader);
-
- memset( bmih, 0, sizeof(*bmih));
- bmih->biSize = sizeof(BITMAPINFOHEADER);
- bmih->biWidth = width;
- bmih->biHeight = origin ? abs(height) : -abs(height);
- bmih->biPlanes = 1;
- bmih->biBitCount = (unsigned short)bpp;
- bmih->biCompression = BI_RGB;
-
- if( bpp == 8 )
- {
- RGBQUAD* palette = bmi->bmiColors;
- int i;
- for( i = 0; i < 256; i++ )
- {
- palette[i].rgbBlue = palette[i].rgbGreen = palette[i].rgbRed = (BYTE)i;
- palette[i].rgbReserved = 0;
- }
- }
-}
-
-struct CvWindow;
-
-typedef struct CvTrackbar
-{
- int signature;
- HWND hwnd;
- char* name;
- CvTrackbar* next;
- CvWindow* parent;
- HWND buddy;
- int* data;
- int pos;
- int maxval;
- void (*notify)(int);
- int id;
-}
-CvTrackbar;
-
-
-typedef struct CvWindow
-{
- int signature;
- HWND hwnd;
- char* name;
- CvWindow* prev;
- CvWindow* next;
- HWND frame;
-
- HDC dc;
- HGDIOBJ image;
- int last_key;
- int flags;
-
- CvMouseCallback on_mouse;
- void* on_mouse_param;
-
- struct
- {
- HWND toolbar;
- int pos;
- int rows;
- WNDPROC toolBarProc;
- CvTrackbar* first;
- }
- toolbar;
-}
-CvWindow;
-
-
-#define HG_BUDDY_WIDTH 130
-
-#ifndef TBIF_SIZE
- #define TBIF_SIZE 0x40
-#endif
-
-#ifndef TB_SETBUTTONINFO
- #define TB_SETBUTTONINFO (WM_USER + 66)
-#endif
-
-#ifndef TBM_GETTOOLTIPS
- #define TBM_GETTOOLTIPS (WM_USER + 30)
-#endif
-
-static LRESULT CALLBACK HighGUIProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
-static LRESULT CALLBACK WindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
-static LRESULT CALLBACK MainWindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
-static void icvUpdateWindowPos( CvWindow* window );
-
-static CvWindow* hg_windows = 0;
-static CvWin32WindowCallback hg_on_preprocess = 0, hg_on_postprocess = 0;
-static HINSTANCE hg_hinstance = 0;
-
-static const char* highGUIclassName = "HighGUI class";
-static const char* mainHighGUIclassName = "Main HighGUI class";
-
-static void icvCleanupHighgui()
-{
- cvDestroyAllWindows();
- UnregisterClass(highGUIclassName, hg_hinstance);
- UnregisterClass(mainHighGUIclassName, hg_hinstance);
-}
-
-CV_IMPL int cvInitSystem( int, char** )
-{
- static int wasInitialized = 0;
-
- // check initialization status
- if( !wasInitialized )
- {
- // Initialize the stogare
- hg_windows = 0;
-
- // Register the class
- WNDCLASS wndc;
- wndc.style = CS_OWNDC | CS_VREDRAW | CS_HREDRAW;
- wndc.lpfnWndProc = WindowProc;
- wndc.cbClsExtra = 0;
- wndc.cbWndExtra = 0;
- wndc.hInstance = hg_hinstance;
- wndc.lpszClassName = highGUIclassName;
- wndc.lpszMenuName = highGUIclassName;
- wndc.hIcon = LoadIcon(0, IDI_APPLICATION);
- wndc.hCursor = (HCURSOR)LoadCursor(0, (LPSTR)(size_t)IDC_CROSS );
- wndc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
-
- RegisterClass(&wndc);
-
- wndc.lpszClassName = mainHighGUIclassName;
- wndc.lpszMenuName = mainHighGUIclassName;
- wndc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
- wndc.lpfnWndProc = MainWindowProc;
-
- RegisterClass(&wndc);
- atexit( icvCleanupHighgui );
-
- wasInitialized = 1;
- }
-
- return 0;
-}
-
-CV_IMPL int cvStartWindowThread(){
- return 0;
-}
-
-static CvWindow* icvFindWindowByName( const char* name )
-{
- CvWindow* window = hg_windows;
-
- for( ; window != 0 && strcmp( name, window->name) != 0; window = window->next )
- ;
-
- return window;
-}
-
-
-static CvWindow* icvWindowByHWND( HWND hwnd )
-{
- CvWindow* window = (CvWindow*)icvGetWindowLongPtr( hwnd, CV_USERDATA );
- return window != 0 && hg_windows != 0 &&
- window->signature == CV_WINDOW_MAGIC_VAL ? window : 0;
-}
-
-
-static CvTrackbar* icvTrackbarByHWND( HWND hwnd )
-{
- CvTrackbar* trackbar = (CvTrackbar*)icvGetWindowLongPtr( hwnd, CV_USERDATA );
- return trackbar != 0 && trackbar->signature == CV_TRACKBAR_MAGIC_VAL &&
- trackbar->hwnd == hwnd ? trackbar : 0;
-}
-
-
-static const char* icvWindowPosRootKey = "Software\\OpenCV\\HighGUI\\Windows\\";
-
-// Window positions saving/loading added by Philip Gruebele.
-//<a href="mailto:pgruebele@cox.net">pgruebele@cox.net</a>
-// Restores the window position from the registry saved position.
-static void
-icvLoadWindowPos( const char* name, CvRect& rect )
-{
- HKEY hkey;
- char szKey[1024];
- strcpy( szKey, icvWindowPosRootKey );
- strcat( szKey, name );
-
- rect.x = rect.y = CW_USEDEFAULT;
- rect.width = rect.height = 320;
-
- if( RegOpenKeyEx(HKEY_CURRENT_USER,szKey,0,KEY_QUERY_VALUE,&hkey) == ERROR_SUCCESS )
- {
- // Yes we are installed.
- DWORD dwType = 0;
- DWORD dwSize = sizeof(int);
-
- RegQueryValueEx(hkey, "Left", NULL, &dwType, (BYTE*)&rect.x, &dwSize);
- RegQueryValueEx(hkey, "Top", NULL, &dwType, (BYTE*)&rect.y, &dwSize);
- RegQueryValueEx(hkey, "Width", NULL, &dwType, (BYTE*)&rect.width, &dwSize);
- RegQueryValueEx(hkey, "Height", NULL, &dwType, (BYTE*)&rect.height, &dwSize);
-
- if( rect.x != (int)CW_USEDEFAULT && (rect.x < -200 || rect.x > 3000) )
- rect.x = 100;
- if( rect.y != (int)CW_USEDEFAULT && (rect.y < -200 || rect.y > 3000) )
- rect.y = 100;
-
- if( rect.width != (int)CW_USEDEFAULT && (rect.width < 0 || rect.width > 3000) )
- rect.width = 100;
- if( rect.height != (int)CW_USEDEFAULT && (rect.height < 0 || rect.height > 3000) )
- rect.height = 100;
-
- RegCloseKey(hkey);
- }
-}
-
-
-// Window positions saving/loading added by Philip Gruebele.
-//<a href="mailto:pgruebele@cox.net">pgruebele@cox.net</a>
-// philipg. Saves the window position in the registry
-static void
-icvSaveWindowPos( const char* name, CvRect rect )
-{
- static const DWORD MAX_RECORD_COUNT = 100;
- HKEY hkey;
- char szKey[1024];
- char rootKey[1024];
- strcpy( szKey, icvWindowPosRootKey );
- strcat( szKey, name );
-
- if( RegOpenKeyEx( HKEY_CURRENT_USER,szKey,0,KEY_READ,&hkey) != ERROR_SUCCESS )
- {
- HKEY hroot;
- DWORD count = 0;
- FILETIME oldestTime = { UINT_MAX, UINT_MAX };
- char oldestKey[1024];
- char currentKey[1024];
-
- strcpy( rootKey, icvWindowPosRootKey );
- rootKey[strlen(rootKey)-1] = '\0';
- if( RegCreateKeyEx(HKEY_CURRENT_USER, rootKey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_READ+KEY_WRITE, 0, &hroot, NULL) != ERROR_SUCCESS )
- //RegOpenKeyEx( HKEY_CURRENT_USER,rootKey,0,KEY_READ,&hroot) != ERROR_SUCCESS )
- return;
-
- for(;;)
- {
- DWORD csize = sizeof(currentKey);
- FILETIME accesstime = { 0, 0 };
- LONG code = RegEnumKeyEx( hroot, count, currentKey, &csize, NULL, NULL, NULL, &accesstime );
- if( code != ERROR_SUCCESS && code != ERROR_MORE_DATA )
- break;
- count++;
- if( oldestTime.dwHighDateTime > accesstime.dwHighDateTime ||
- oldestTime.dwHighDateTime == accesstime.dwHighDateTime &&
- oldestTime.dwLowDateTime > accesstime.dwLowDateTime )
- {
- oldestTime = accesstime;
- strcpy( oldestKey, currentKey );
- }
- }
-
- if( count >= MAX_RECORD_COUNT )
- RegDeleteKey( hroot, oldestKey );
- RegCloseKey( hroot );
-
- if( RegCreateKeyEx(HKEY_CURRENT_USER,szKey,0,NULL,REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &hkey, NULL) != ERROR_SUCCESS )
- return;
- }
- else
- {
- RegCloseKey( hkey );
- if( RegOpenKeyEx( HKEY_CURRENT_USER,szKey,0,KEY_WRITE,&hkey) != ERROR_SUCCESS )
- return;
- }
-
- RegSetValueEx(hkey, "Left", 0, REG_DWORD, (BYTE*)&rect.x, sizeof(rect.x));
- RegSetValueEx(hkey, "Top", 0, REG_DWORD, (BYTE*)&rect.y, sizeof(rect.y));
- RegSetValueEx(hkey, "Width", 0, REG_DWORD, (BYTE*)&rect.width, sizeof(rect.width));
- RegSetValueEx(hkey, "Height", 0, REG_DWORD, (BYTE*)&rect.height, sizeof(rect.height));
- RegCloseKey(hkey);
-}
-
-
-CV_IMPL int cvNamedWindow( const char* name, int flags )
-{
- int result = 0;
- CV_FUNCNAME( "cvNamedWindow" );
-
- __BEGIN__;
-
- HWND hWnd, mainhWnd;
- CvWindow* window;
- DWORD defStyle = WS_VISIBLE | WS_MINIMIZEBOX | WS_MAXIMIZEBOX | WS_SYSMENU;
- int len;
- CvRect rect;
-
- cvInitSystem(0,0);
-
- if( !name )
- CV_ERROR( CV_StsNullPtr, "NULL name string" );
-
- // Check the name in the storage
- if( icvFindWindowByName( name ) != 0 )
- {
- result = 1;
- EXIT;
- }
-
- if( (flags & CV_WINDOW_AUTOSIZE) == 0 )
- defStyle |= WS_SIZEBOX;
-
- icvLoadWindowPos( name, rect );
-
- mainhWnd = CreateWindow( "Main HighGUI class", name, defStyle | WS_OVERLAPPED,
- rect.x, rect.y, rect.width, rect.height, 0, 0, hg_hinstance, 0 );
- if( !mainhWnd )
- CV_ERROR( CV_StsError, "Frame window can not be created" );
-
- ShowWindow(mainhWnd, SW_SHOW);
-
- hWnd = CreateWindow("HighGUI class", "", defStyle | WS_CHILD | WS_SIZEBOX,
- CW_USEDEFAULT, 0, rect.width, rect.height, mainhWnd, 0, hg_hinstance, 0);
- if( !hWnd )
- CV_ERROR( CV_StsError, "Frame window can not be created" );
-
- ShowWindow(hWnd, SW_SHOW);
-
- len = (int)strlen(name);
- CV_CALL( window = (CvWindow*)cvAlloc(sizeof(CvWindow) + len + 1));
-
- window->signature = CV_WINDOW_MAGIC_VAL;
- window->hwnd = hWnd;
- window->frame = mainhWnd;
- window->name = (char*)(window + 1);
- memcpy( window->name, name, len + 1 );
- window->flags = flags;
- window->image = 0;
- window->dc = CreateCompatibleDC(0);
- window->last_key = 0;
-
- window->on_mouse = 0;
- window->on_mouse_param = 0;
-
- memset( &window->toolbar, 0, sizeof(window->toolbar));
-
- window->next = hg_windows;
- window->prev = 0;
- if( hg_windows )
- hg_windows->prev = window;
- hg_windows = window;
- icvSetWindowLongPtr( hWnd, CV_USERDATA, window );
- icvSetWindowLongPtr( mainhWnd, CV_USERDATA, window );
-
- // Recalculate window position
- icvUpdateWindowPos( window );
-
- result = 1;
- __END__;
-
- return result;
-}
-
-
-static void icvRemoveWindow( CvWindow* window )
-{
- CvTrackbar* trackbar;
- RECT wrect;
-
- GetWindowRect( window->frame, &wrect );
- icvSaveWindowPos( window->name, cvRect(wrect.left, wrect.top,
- wrect.right-wrect.left, wrect.bottom-wrect.top) );
-
- icvSetWindowLongPtr( window->hwnd, CV_USERDATA, 0 );
- icvSetWindowLongPtr( window->frame, CV_USERDATA, 0 );
-
- if( window->prev )
- window->prev->next = window->next;
- else
- hg_windows = window->next;
-
- if( window->next )
- window->next->prev = window->prev;
-
- window->prev = window->next = 0;
-
- if( window->image )
- DeleteObject(SelectObject(window->dc,window->image));
-
- if( window->dc )
- DeleteDC(window->dc);
-
- for( trackbar = window->toolbar.first; trackbar != 0; )
- {
- CvTrackbar* next = trackbar->next;
- icvSetWindowLongPtr( trackbar->hwnd, CV_USERDATA, 0 );
- cvFree( &trackbar );
- trackbar = next;
- }
-
- cvFree( &window );
-}
-
-
-CV_IMPL void cvDestroyWindow( const char* name )
-{
- CV_FUNCNAME( "cvDestroyWindow" );
-
- __BEGIN__;
-
- CvWindow* window;
- HWND mainhWnd;
-
- if(!name)
- CV_ERROR( CV_StsNullPtr, "NULL name string" );
-
- window = icvFindWindowByName( name );
- if( !window )
- EXIT;
-
- mainhWnd = window->frame;
-
- SendMessage(window->hwnd, WM_CLOSE, 0, 0);
- SendMessage( mainhWnd, WM_CLOSE, 0, 0);
- // Do NOT call _remove_window -- CvWindow list will be updated automatically ...
-
- __END__;
-}
-
-
-static void icvScreenToClient( HWND hwnd, RECT* rect )
-{
- POINT p;
- p.x = rect->left;
- p.y = rect->top;
- ScreenToClient(hwnd, &p);
- OffsetRect( rect, p.x - rect->left, p.y - rect->top );
-}
-
-
-/* Calculatess the window coordinates relative to the upper left corner of the mainhWnd window */
-static RECT icvCalcWindowRect( CvWindow* window )
-{
- const int gutter = 1;
- RECT crect, trect, rect;
-
- assert(window);
-
- GetClientRect(window->frame, &crect);
- if(window->toolbar.toolbar)
- {
- GetWindowRect(window->toolbar.toolbar, &trect);
- icvScreenToClient(window->frame, &trect);
- SubtractRect( &rect, &crect, &trect);
- }
- else
- rect = crect;
-
- rect.top += gutter;
- rect.left += gutter;
- rect.bottom -= gutter;
- rect.right -= gutter;
-
- return rect;
-}
-
-// returns TRUE if there is a problem such as ERROR_IO_PENDING.
-static bool icvGetBitmapData( CvWindow* window, SIZE* size, int* channels, void** data )
-{
- BITMAP bmp;
- GdiFlush();
- HGDIOBJ h = GetCurrentObject( window->dc, OBJ_BITMAP );
- if( size )
- size->cx = size->cy = 0;
- if( data )
- *data = 0;
-
- if (h == NULL)
- return true;
- if (GetObject(h, sizeof(bmp), &bmp) == 0)
- return true;
-
- if( size )
- {
- size->cx = abs(bmp.bmWidth);
- size->cy = abs(bmp.bmHeight);
- }
-
- if( channels )
- *channels = bmp.bmBitsPixel/8;
-
- if( data )
- *data = bmp.bmBits;
-
- return false;
-}
-
-
-static void icvUpdateWindowPos( CvWindow* window )
-{
- RECT rect;
- assert(window);
-
- if( (window->flags & CV_WINDOW_AUTOSIZE) && window->image )
- {
- int i;
- SIZE size = {0,0};
- icvGetBitmapData( window, &size, 0, 0 );
-
- // Repeat two times because after the first resizing of the mainhWnd window
- // toolbar may resize too
- for(i = 0; i < (window->toolbar.toolbar ? 2 : 1); i++)
- {
- RECT rmw, rw = icvCalcWindowRect(window );
- MoveWindow(window->hwnd, rw.left, rw.top,
- rw.right - rw.left + 1, rw.bottom - rw.top + 1, FALSE);
- GetClientRect(window->hwnd, &rw);
- GetWindowRect(window->frame, &rmw);
- // Resize the mainhWnd window in order to make the bitmap fit into the child window
- MoveWindow(window->frame, rmw.left, rmw.top,
- rmw.right - rmw.left + size.cx - rw.right + rw.left,
- rmw.bottom - rmw.top + size.cy - rw.bottom + rw.top, TRUE );
- }
- }
-
- rect = icvCalcWindowRect(window);
- MoveWindow(window->hwnd, rect.left, rect.top,
- rect.right - rect.left + 1,
- rect.bottom - rect.top + 1, TRUE );
-}
-
-
-CV_IMPL void
-cvShowImage( const char* name, const CvArr* arr )
-{
- CV_FUNCNAME( "cvShowImage" );
-
- __BEGIN__;
-
- CvWindow* window;
- SIZE size = { 0, 0 };
- int channels = 0;
- void* dst_ptr = 0;
- const int channels0 = 3;
- int origin = 0;
- CvMat stub, dst, *image;
- bool changed_size = false; // philipg
-
- if( !name )
- CV_ERROR( CV_StsNullPtr, "NULL name" );
-
- window = icvFindWindowByName(name);
- if( !window || !arr )
- EXIT; // keep silence here.
-
- if( CV_IS_IMAGE_HDR( arr ))
- origin = ((IplImage*)arr)->origin;
-
- CV_CALL( image = cvGetMat( arr, &stub ));
-
- if (window->image)
- // if there is something wrong with these system calls, we cannot display image...
- if (icvGetBitmapData( window, &size, &channels, &dst_ptr ))
- return;
-
- if( size.cx != image->width || size.cy != image->height || channels != channels0 )
- {
- changed_size = true;
-
- uchar buffer[sizeof(BITMAPINFO) + 255*sizeof(RGBQUAD)];
- BITMAPINFO* binfo = (BITMAPINFO*)buffer;
-
- DeleteObject( SelectObject( window->dc, window->image ));
- window->image = 0;
-
- size.cx = image->width;
- size.cy = image->height;
- channels = channels0;
-
- FillBitmapInfo( binfo, size.cx, size.cy, channels*8, 1 );
-
- window->image = SelectObject( window->dc, CreateDIBSection(window->dc, binfo,
- DIB_RGB_COLORS, &dst_ptr, 0, 0));
- }
-
- cvInitMatHeader( &dst, size.cy, size.cx, CV_8UC3,
- dst_ptr, (size.cx * channels + 3) & -4 );
- cvConvertImage( image, &dst, origin == 0 ? CV_CVTIMG_FLIP : 0 );
-
- // ony resize window if needed
- if (changed_size)
- icvUpdateWindowPos(window);
- InvalidateRect(window->hwnd, 0, 0);
- // philipg: this is not needed and just slows things down
-// UpdateWindow(window->hwnd);
-
- __END__;
-}
-
-
-CV_IMPL void cvResizeWindow(const char* name, int width, int height )
-{
- CV_FUNCNAME( "cvResizeWindow" );
-
- __BEGIN__;
-
- int i;
- CvWindow* window;
- RECT rmw, rw, rect;
-
- if( !name )
- CV_ERROR( CV_StsNullPtr, "NULL name" );
-
- window = icvFindWindowByName(name);
- if(!window)
- EXIT;
-
- // Repeat two times because after the first resizing of the mainhWnd window
- // toolbar may resize too
- for(i = 0; i < (window->toolbar.toolbar ? 2 : 1); i++)
- {
- rw = icvCalcWindowRect(window);
- MoveWindow(window->hwnd, rw.left, rw.top,
- rw.right - rw.left + 1, rw.bottom - rw.top + 1, FALSE);
- GetClientRect(window->hwnd, &rw);
- GetWindowRect(window->frame, &rmw);
- // Resize the mainhWnd window in order to make the bitmap fit into the child window
- MoveWindow(window->frame, rmw.left, rmw.top,
- rmw.right - rmw.left + width - rw.right + rw.left,
- rmw.bottom - rmw.top + height - rw.bottom + rw.top, TRUE);
- }
-
- rect = icvCalcWindowRect(window);
- MoveWindow(window->hwnd, rect.left, rect.top,
- rect.right - rect.left + 1, rect.bottom - rect.top + 1, TRUE);
-
- __END__;
-}
-
-
-CV_IMPL void cvMoveWindow( const char* name, int x, int y )
-{
- CV_FUNCNAME( "cvMoveWindow" );
-
- __BEGIN__;
-
- CvWindow* window;
- RECT rect;
-
- if( !name )
- CV_ERROR( CV_StsNullPtr, "NULL name" );
-
- window = icvFindWindowByName(name);
- if(!window)
- EXIT;
-
- GetWindowRect( window->frame, &rect );
- MoveWindow( window->frame, x, y, rect.right - rect.left, rect.bottom - rect.top, TRUE);
-
- __END__;
-}
-
-
-static LRESULT CALLBACK
-MainWindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
-{
- CvWindow* window = icvWindowByHWND( hwnd );
- if( !window )
- return DefWindowProc(hwnd, uMsg, wParam, lParam);
-
- switch(uMsg)
- {
- case WM_DESTROY:
-
- icvRemoveWindow(window);
- // Do nothing!!!
- //PostQuitMessage(0);
- break;
-
- case WM_GETMINMAXINFO:
- if( !(window->flags & CV_WINDOW_AUTOSIZE) )
- {
- MINMAXINFO* minmax = (MINMAXINFO*)lParam;
- RECT rect;
- LRESULT retval = DefWindowProc(hwnd, uMsg, wParam, lParam);
-
- minmax->ptMinTrackSize.y = 100;
- minmax->ptMinTrackSize.x = 100;
-
- if( window->toolbar.first )
- {
- GetWindowRect( window->toolbar.first->hwnd, &rect );
- minmax->ptMinTrackSize.y += window->toolbar.rows*(rect.bottom - rect.top);
- minmax->ptMinTrackSize.x = MAX(rect.right - rect.left + HG_BUDDY_WIDTH, HG_BUDDY_WIDTH*2);
- }
- return retval;
- }
- break;
-
- case WM_WINDOWPOSCHANGED:
- {
- WINDOWPOS* pos = (WINDOWPOS*)lParam;
-
- // Update the toolbar position/size
- if(window->toolbar.toolbar)
- {
- RECT rect;
- GetWindowRect(window->toolbar.toolbar, &rect);
- MoveWindow(window->toolbar.toolbar, 0, 0, pos->cx, rect.bottom - rect.top, TRUE);
- }
-
- if(!(window->flags & CV_WINDOW_AUTOSIZE))
- icvUpdateWindowPos(window);
-
- break;
- }
-
- case WM_ACTIVATE:
- if(LOWORD(wParam) == WA_ACTIVE || LOWORD(wParam) == WA_CLICKACTIVE)
- SetFocus(window->hwnd);
- break;
-
- case WM_ERASEBKGND:
- {
- RECT cr, tr, wrc;
- HRGN rgn, rgn1, rgn2;
- int ret;
- HDC hdc = (HDC)wParam;
- GetWindowRect(window->hwnd, &cr);
- icvScreenToClient(window->frame, &cr);
- if(window->toolbar.toolbar)
- {
- GetWindowRect(window->toolbar.toolbar, &tr);
- icvScreenToClient(window->frame, &tr);
- }
- else
- tr.left = tr.top = tr.right = tr.bottom = 0;
-
- GetClientRect(window->frame, &wrc);
-
- rgn = CreateRectRgn(0, 0, wrc.right, wrc.bottom);
- rgn1 = CreateRectRgn(cr.left, cr.top, cr.right, cr.bottom);
- rgn2 = CreateRectRgn(tr.left, tr.top, tr.right, tr.bottom);
- ret = CombineRgn(rgn, rgn, rgn1, RGN_DIFF);
- ret = CombineRgn(rgn, rgn, rgn2, RGN_DIFF);
-
- if(ret != NULLREGION && ret != ERROR)
- FillRgn(hdc, rgn, (HBRUSH)icvGetClassLongPtr(hwnd, CV_HBRBACKGROUND));
-
- DeleteObject(rgn);
- DeleteObject(rgn1);
- DeleteObject(rgn2);
- }
- return 1;
- }
-
- return DefWindowProc(hwnd, uMsg, wParam, lParam);
-}
-
-
-static LRESULT CALLBACK HighGUIProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
-{
- CvWindow* window = icvWindowByHWND(hwnd);
- if( !window )
- // This window is not mentioned in HighGUI storage
- // Actually, this should be error except for the case of calls to CreateWindow
- return DefWindowProc(hwnd, uMsg, wParam, lParam);
-
- // Process the message
- switch(uMsg)
- {
- case WM_WINDOWPOSCHANGING:
- {
- LPWINDOWPOS pos = (LPWINDOWPOS)lParam;
- RECT rect = icvCalcWindowRect(window);
- pos->x = rect.left;
- pos->y = rect.top;
- pos->cx = rect.right - rect.left + 1;
- pos->cy = rect.bottom - rect.top + 1;
- }
- break;
-
- case WM_LBUTTONDOWN:
- case WM_RBUTTONDOWN:
- case WM_MBUTTONDOWN:
- case WM_LBUTTONDBLCLK:
- case WM_RBUTTONDBLCLK:
- case WM_MBUTTONDBLCLK:
- case WM_LBUTTONUP:
- case WM_RBUTTONUP:
- case WM_MBUTTONUP:
- case WM_MOUSEMOVE:
- if( window->on_mouse )
- {
- POINT pt;
- RECT rect;
- SIZE size = {0,0};
-
- int flags = (wParam & MK_LBUTTON ? CV_EVENT_FLAG_LBUTTON : 0)|
- (wParam & MK_RBUTTON ? CV_EVENT_FLAG_RBUTTON : 0)|
- (wParam & MK_MBUTTON ? CV_EVENT_FLAG_MBUTTON : 0)|
- (wParam & MK_CONTROL ? CV_EVENT_FLAG_CTRLKEY : 0)|
- (wParam & MK_SHIFT ? CV_EVENT_FLAG_SHIFTKEY : 0)|
- (GetKeyState(VK_MENU) < 0 ? CV_EVENT_FLAG_ALTKEY : 0);
- int event = uMsg == WM_LBUTTONDOWN ? CV_EVENT_LBUTTONDOWN :
- uMsg == WM_RBUTTONDOWN ? CV_EVENT_RBUTTONDOWN :
- uMsg == WM_MBUTTONDOWN ? CV_EVENT_MBUTTONDOWN :
- uMsg == WM_LBUTTONUP ? CV_EVENT_LBUTTONUP :
- uMsg == WM_RBUTTONUP ? CV_EVENT_RBUTTONUP :
- uMsg == WM_MBUTTONUP ? CV_EVENT_MBUTTONUP :
- uMsg == WM_LBUTTONDBLCLK ? CV_EVENT_LBUTTONDBLCLK :
- uMsg == WM_RBUTTONDBLCLK ? CV_EVENT_RBUTTONDBLCLK :
- uMsg == WM_MBUTTONDBLCLK ? CV_EVENT_MBUTTONDBLCLK :
- CV_EVENT_MOUSEMOVE;
- if( uMsg == WM_LBUTTONDOWN || uMsg == WM_RBUTTONDOWN || uMsg == WM_MBUTTONDOWN )
- SetCapture( hwnd );
- if( uMsg == WM_LBUTTONUP || uMsg == WM_RBUTTONUP || uMsg == WM_MBUTTONUP )
- ReleaseCapture();
-
- pt.x = LOWORD( lParam );
- pt.y = HIWORD( lParam );
-
- GetClientRect( window->hwnd, &rect );
- icvGetBitmapData( window, &size, 0, 0 );
-
- window->on_mouse( event, pt.x*size.cx/MAX(rect.right - rect.left,1),
- pt.y*size.cy/MAX(rect.bottom - rect.top,1), flags,
- window->on_mouse_param );
- }
- break;
-
- case WM_PAINT:
- if(window->image != 0)
- {
- int nchannels = 3;
- SIZE size = {0,0};
- PAINTSTRUCT paint;
- HDC hdc;
- RGBQUAD table[256];
-
- // Determine the bitmap's dimensions
- icvGetBitmapData( window, &size, &nchannels, 0 );
-
- hdc = BeginPaint(hwnd, &paint);
- SetStretchBltMode(hdc, COLORONCOLOR);
-
- if( nchannels == 1 )
- {
- int i;
- for(i = 0; i < 256; i++)
- {
- table[i].rgbBlue = (unsigned char)i;
- table[i].rgbGreen = (unsigned char)i;
- table[i].rgbRed = (unsigned char)i;
- }
- SetDIBColorTable(window->dc, 0, 255, table);
- }
-
- if(window->flags & CV_WINDOW_AUTOSIZE)
- {
- BitBlt( hdc, 0, 0, size.cx, size.cy, window->dc, 0, 0, SRCCOPY );
- }
- else
- {
- RECT rect;
- GetClientRect(window->hwnd, &rect);
- StretchBlt( hdc, 0, 0, rect.right - rect.left, rect.bottom - rect.top,
- window->dc, 0, 0, size.cx, size.cy, SRCCOPY );
- }
- //DeleteDC(hdc);
- EndPaint(hwnd, &paint);
- }
- else
- {
- return DefWindowProc(hwnd, uMsg, wParam, lParam);
- }
- return 0;
-
- case WM_ERASEBKGND:
- if(window->image)
- return 0;
- break;
-
- case WM_DESTROY:
-
- icvRemoveWindow(window);
- // Do nothing!!!
- //PostQuitMessage(0);
- break;
-
- case WM_SETCURSOR:
- SetCursor((HCURSOR)icvGetClassLongPtr(hwnd, CV_HCURSOR));
- return 0;
-
- case WM_KEYDOWN:
- window->last_key = (int)wParam;
- return 0;
- }
-
- return DefWindowProc(hwnd, uMsg, wParam, lParam);
-}
-
-
-static LRESULT CALLBACK WindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
-{
- LRESULT ret;
-
- if( hg_on_preprocess )
- {
- int was_processed = 0;
- int ret = hg_on_preprocess(hwnd, uMsg, wParam, lParam, &was_processed);
- if( was_processed )
- return ret;
- }
- ret = HighGUIProc(hwnd, uMsg, wParam, lParam);
-
- if(hg_on_postprocess)
- {
- int was_processed = 0;
- int ret = hg_on_postprocess(hwnd, uMsg, wParam, lParam, &was_processed);
- if( was_processed )
- return ret;
- }
-
- return ret;
-}
-
-
-static void icvUpdateTrackbar( CvTrackbar* trackbar, int pos )
-{
- const int max_name_len = 10;
- const char* suffix = "";
- char pos_text[32];
- int name_len;
-
- if( trackbar->data )
- *trackbar->data = pos;
-
- if( trackbar->pos != pos )
- {
- trackbar->pos = pos;
- if( trackbar->notify )
- trackbar->notify(pos);
-
- name_len = (int)strlen(trackbar->name);
-
- if( name_len > max_name_len )
- {
- int start_len = max_name_len*2/3;
- int end_len = max_name_len - start_len - 2;
- memcpy( pos_text, trackbar->name, start_len );
- memcpy( pos_text + start_len, "...", 3 );
- memcpy( pos_text + start_len + 3, trackbar->name + name_len - end_len, end_len + 1 );
- }
- else
- {
- memcpy( pos_text, trackbar->name, name_len + 1);
- }
-
- sprintf( pos_text + strlen(pos_text), "%s: %d\n", suffix, pos );
- SetWindowText( trackbar->buddy, pos_text );
- }
-}
-
-
-static LRESULT CALLBACK HGToolbarProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
-{
- CvWindow* window = icvWindowByHWND( hwnd );
- if(!window)
- return DefWindowProc(hwnd, uMsg, wParam, lParam);
-
- // Control messages processing
- switch(uMsg)
- {
- // Slider processing
- case WM_HSCROLL:
- {
- HWND slider = (HWND)lParam;
- int pos = (int)SendMessage(slider, TBM_GETPOS, 0, 0);
- CvTrackbar* trackbar = icvTrackbarByHWND( slider );
-
- if( trackbar )
- {
- if( trackbar->pos != pos )
- icvUpdateTrackbar( trackbar, pos );
- }
-
- SetFocus( window->hwnd );
- return 0;
- }
-
- case WM_NCCALCSIZE:
- {
- LRESULT ret = CallWindowProc(window->toolbar.toolBarProc, hwnd, uMsg, wParam, lParam);
- int rows = (int)SendMessage(hwnd, TB_GETROWS, 0, 0);
-
- if(window->toolbar.rows != rows)
- {
- SendMessage(window->toolbar.toolbar, TB_BUTTONCOUNT, 0, 0);
- CvTrackbar* trackbar = window->toolbar.first;
-
- for( ; trackbar != 0; trackbar = trackbar->next )
- {
- RECT rect;
- SendMessage(window->toolbar.toolbar, TB_GETITEMRECT,
- (WPARAM)trackbar->id, (LPARAM)&rect);
- MoveWindow(trackbar->hwnd, rect.left + HG_BUDDY_WIDTH, rect.top,
- rect.right - rect.left - HG_BUDDY_WIDTH,
- rect.bottom - rect.top, FALSE);
- MoveWindow(trackbar->buddy, rect.left, rect.top,
- HG_BUDDY_WIDTH, rect.bottom - rect.top, FALSE);
- }
- window->toolbar.rows = rows;
- }
- return ret;
- }
- }
-
- return CallWindowProc(window->toolbar.toolBarProc, hwnd, uMsg, wParam, lParam);
-}
-
-
-CV_IMPL void
-cvDestroyAllWindows(void)
-{
- CvWindow* window = hg_windows;
-
- while( window )
- {
- HWND mainhWnd = window->frame;
- HWND hwnd = window->hwnd;
- window = window->next;
-
- SendMessage( hwnd, WM_CLOSE, 0, 0 );
- SendMessage( mainhWnd, WM_CLOSE, 0, 0 );
- }
-}
-
-
-CV_IMPL int
-cvWaitKey( int delay )
-{
- int time0 = GetTickCount();
-
- for(;;)
- {
- CvWindow* window;
- MSG message;
- int is_processed = 0;
-
- if( (delay > 0 && abs((int)(GetTickCount() - time0)) >= delay) || hg_windows == 0 )
- return -1;
-
- if( delay <= 0 )
- GetMessage(&message, 0, 0, 0);
- else if( PeekMessage(&message, 0, 0, 0, PM_REMOVE) == FALSE )
- {
- Sleep(1);
- continue;
- }
-
- for( window = hg_windows; window != 0 && is_processed == 0; window = window->next )
- {
- if( window->hwnd == message.hwnd || window->frame == message.hwnd )
- {
- is_processed = 1;
- switch(message.message)
- {
- case WM_DESTROY:
- case WM_CHAR:
- DispatchMessage(&message);
- return (int)message.wParam;
-
- case WM_SYSKEYDOWN:
- if( message.wParam == VK_F10 )
- {
- is_processed = 1;
- return (int)(message.wParam << 16);
- }
- break;
-
- case WM_KEYDOWN:
- TranslateMessage(&message);
- if( message.wParam >= VK_F1 && message.wParam <= VK_F24 ||
- message.wParam == VK_HOME || message.wParam == VK_END ||
- message.wParam == VK_UP || message.wParam == VK_DOWN ||
- message.wParam == VK_LEFT || message.wParam == VK_RIGHT ||
- message.wParam == VK_INSERT || message.wParam == VK_DELETE ||
- message.wParam == VK_PRIOR || message.wParam == VK_NEXT )
- {
- DispatchMessage(&message);
- is_processed = 1;
- return (int)(message.wParam << 16);
- }
- default:
- DispatchMessage(&message);
- is_processed = 1;
- break;
- }
- }
- }
-
- if( !is_processed )
- {
- TranslateMessage(&message);
- DispatchMessage(&message);
- }
- }
-}
-
-
-static CvTrackbar*
-icvFindTrackbarByName( const CvWindow* window, const char* name )
-{
- CvTrackbar* trackbar = window->toolbar.first;
-
- for( ; trackbar != 0 && strcmp( trackbar->name, name ) != 0; trackbar = trackbar->next )
- ;
-
- return trackbar;
-}
-
-
-typedef struct
-{
- UINT cbSize;
- DWORD dwMask;
- int idCommand;
- int iImage;
- BYTE fsState;
- BYTE fsStyle;
- WORD cx;
- DWORD lParam;
- LPSTR pszText;
- int cchText;
-}
-ButtonInfo;
-
-
-CV_IMPL int
-cvCreateTrackbar( const char* trackbar_name, const char* window_name,
- int* val, int count, CvTrackbarCallback on_notify )
-{
- int result = 0;
-
- CV_FUNCNAME( "cvCreateTrackbar" );
-
- __BEGIN__;
-
- char slider_name[32];
- CvWindow* window = 0;
- CvTrackbar* trackbar = 0;
- int pos = 0;
-
- if( !window_name || !trackbar_name )
- CV_ERROR( CV_StsNullPtr, "NULL window or trackbar name" );
-
- if( count <= 0 )
- CV_ERROR( CV_StsOutOfRange, "Bad trackbar maximal value" );
-
- window = icvFindWindowByName(window_name);
- if( !window )
- EXIT;
-
- trackbar = icvFindTrackbarByName(window,trackbar_name);
- if( !trackbar )
- {
- TBBUTTON tbs;
- ButtonInfo tbis;
- RECT rect;
- int bcount;
- int len = (int)strlen( trackbar_name );
-
- // create toolbar if it is not created yet
- if( !window->toolbar.toolbar )
- {
- const int default_height = 30;
-
- window->toolbar.toolbar = CreateToolbarEx(
- window->frame, WS_CHILD | CCS_TOP | TBSTYLE_WRAPABLE,
- 1, 0, 0, 0, 0, 0, 16, 20, 16, 16, sizeof(TBBUTTON));
- GetClientRect(window->frame, &rect);
- MoveWindow( window->toolbar.toolbar, 0, 0,
- rect.right - rect.left, default_height, TRUE);
- SendMessage(window->toolbar.toolbar, TB_AUTOSIZE, 0, 0);
- ShowWindow(window->toolbar.toolbar, SW_SHOW);
-
- window->toolbar.first = 0;
- window->toolbar.pos = 0;
- window->toolbar.rows = 0;
- window->toolbar.toolBarProc =
- (WNDPROC)icvGetWindowLongPtr(window->toolbar.toolbar, CV_WNDPROC);
-
- icvUpdateWindowPos(window);
-
- // Subclassing from toolbar
- icvSetWindowLongPtr(window->toolbar.toolbar, CV_WNDPROC, HGToolbarProc);
- icvSetWindowLongPtr(window->toolbar.toolbar, CV_USERDATA, window);
- }
-
- /* Retrieve current buttons count */
- bcount = (int)SendMessage(window->toolbar.toolbar, TB_BUTTONCOUNT, 0, 0);
-
- if(bcount > 1)
- {
- /* If this is not the first button then we need to
- separate it from the previous one */
- tbs.iBitmap = 0;
- tbs.idCommand = bcount; // Set button id to it's number
- tbs.iString = 0;
- tbs.fsStyle = TBSTYLE_SEP;
- tbs.fsState = TBSTATE_ENABLED;
- SendMessage(window->toolbar.toolbar, TB_ADDBUTTONS, 1, (LPARAM)&tbs);
-
- // Retrieve current buttons count
- bcount = (int)SendMessage(window->toolbar.toolbar, TB_BUTTONCOUNT, 0, 0);
- }
-
- /* Add a button which we're going to cover with the slider */
- tbs.iBitmap = 0;
- tbs.idCommand = bcount; // Set button id to it's number
- tbs.fsState = TBSTATE_ENABLED;
-#if 0/*!defined WIN64 && !defined EM64T*/
- tbs.fsStyle = 0;
- tbs.iString = 0;
-#else
-#ifndef TBSTYLE_AUTOSIZE
-#define TBSTYLE_AUTOSIZE 0x0010
-#define TBSTYLE_GROUP 0x0004
-#endif
- //tbs.fsStyle = TBSTYLE_AUTOSIZE;
- tbs.fsStyle = TBSTYLE_GROUP;
- tbs.iString = (INT_PTR)trackbar_text;
-#endif
- SendMessage(window->toolbar.toolbar, TB_ADDBUTTONS, 1, (LPARAM)&tbs);
-
- /* Adjust button size to the slider */
- tbis.cbSize = sizeof(tbis);
- tbis.dwMask = TBIF_SIZE;
-
- GetClientRect(window->hwnd, &rect);
- tbis.cx = (unsigned short)(rect.right - rect.left);
-
- SendMessage(window->toolbar.toolbar, TB_SETBUTTONINFO,
- (WPARAM)tbs.idCommand, (LPARAM)&tbis);
-
- /* Get button position */
- SendMessage(window->toolbar.toolbar, TB_GETITEMRECT,
- (WPARAM)tbs.idCommand, (LPARAM)&rect);
-
- /* Create a slider */
- trackbar = (CvTrackbar*)cvAlloc( sizeof(CvTrackbar) + len + 1 );
- trackbar->signature = CV_TRACKBAR_MAGIC_VAL;
- trackbar->notify = 0;
- trackbar->parent = window;
- trackbar->pos = 0;
- trackbar->data = 0;
- trackbar->id = bcount;
- trackbar->next = window->toolbar.first;
- trackbar->name = (char*)(trackbar + 1);
- memcpy( trackbar->name, trackbar_name, len + 1 );
- window->toolbar.first = trackbar;
-
- sprintf(slider_name, "Trackbar%p", val);
- trackbar->hwnd = CreateWindowEx(0, TRACKBAR_CLASS, slider_name,
- WS_CHILD | WS_VISIBLE | TBS_AUTOTICKS |
- TBS_FIXEDLENGTH | TBS_HORZ | TBS_BOTTOM,
- rect.left + HG_BUDDY_WIDTH, rect.top,
- rect.right - rect.left - HG_BUDDY_WIDTH,
- rect.bottom - rect.top, window->toolbar.toolbar,
- (HMENU)(size_t)bcount, hg_hinstance, 0);
-
- sprintf(slider_name,"Buddy%p", val);
- trackbar->buddy = CreateWindowEx(0, "STATIC", slider_name,
- WS_CHILD | SS_RIGHT,
- rect.left, rect.top,
- HG_BUDDY_WIDTH, rect.bottom - rect.top,
- window->toolbar.toolbar, 0, hg_hinstance, 0);
-
- icvSetWindowLongPtr( trackbar->hwnd, CV_USERDATA, trackbar );
-
- /* Minimize the number of rows */
- SendMessage( window->toolbar.toolbar, TB_SETROWS,
- MAKEWPARAM(1, FALSE), (LPARAM)&rect );
- }
- else
- {
- trackbar->data = 0;
- trackbar->notify = 0;
- }
-
- trackbar->maxval = count;
-
- /* Adjust slider parameters */
- SendMessage(trackbar->hwnd, TBM_SETRANGE, (WPARAM)TRUE, (LPARAM)MAKELONG(0, count));
- SendMessage(trackbar->hwnd, TBM_SETTICFREQ, (WPARAM)1, (LPARAM)0 );
- if( val )
- pos = *val;
-
- SendMessage(trackbar->hwnd, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)pos );
- SendMessage(window->toolbar.toolbar, TB_AUTOSIZE, 0, 0);
-
- trackbar->pos = -1;
- icvUpdateTrackbar( trackbar, pos );
- ShowWindow( trackbar->buddy, SW_SHOW );
- ShowWindow( trackbar->hwnd, SW_SHOW );
-
- trackbar->notify = on_notify;
- trackbar->data = val;
-
- /* Resize the window to reflect the toolbar resizing*/
- icvUpdateWindowPos(window);
-
- result = 1;
-
- __END__;
-
- return result;
-}
-
-
-CV_IMPL void
-cvSetMouseCallback( const char* window_name, CvMouseCallback on_mouse, void* param )
-{
- CV_FUNCNAME( "cvSetMouseCallback" );
-
- __BEGIN__;
-
- CvWindow* window = 0;
-
- if( !window_name )
- CV_ERROR( CV_StsNullPtr, "NULL window name" );
-
- window = icvFindWindowByName(window_name);
- if( !window )
- EXIT;
-
- window->on_mouse = on_mouse;
- window->on_mouse_param = param;
-
- __END__;
-}
-
-
-CV_IMPL int cvGetTrackbarPos( const char* trackbar_name, const char* window_name )
-{
- int pos = -1;
-
- CV_FUNCNAME( "cvGetTrackbarPos" );
-
- __BEGIN__;
-
- CvWindow* window;
- CvTrackbar* trackbar = 0;
-
- if( trackbar_name == 0 || window_name == 0 )
- CV_ERROR( CV_StsNullPtr, "NULL trackbar or window name" );
-
- window = icvFindWindowByName( window_name );
- if( window )
- trackbar = icvFindTrackbarByName( window, trackbar_name );
-
- if( trackbar )
- pos = trackbar->pos;
-
- __END__;
-
- return pos;
-}
-
-
-CV_IMPL void cvSetTrackbarPos( const char* trackbar_name, const char* window_name, int pos )
-{
- CV_FUNCNAME( "cvSetTrackbarPos" );
-
- __BEGIN__;
-
- CvWindow* window;
- CvTrackbar* trackbar = 0;
-
- if( trackbar_name == 0 || window_name == 0 )
- CV_ERROR( CV_StsNullPtr, "NULL trackbar or window name" );
-
- window = icvFindWindowByName( window_name );
- if( window )
- trackbar = icvFindTrackbarByName( window, trackbar_name );
-
- if( trackbar )
- {
- if( pos < 0 )
- pos = 0;
-
- if( pos > trackbar->maxval )
- pos = trackbar->maxval;
-
- SendMessage( trackbar->hwnd, TBM_SETPOS, (WPARAM)TRUE, (LPARAM)pos );
- icvUpdateTrackbar( trackbar, pos );
- }
-
- __END__;
-}
-
-
-CV_IMPL void* cvGetWindowHandle( const char* window_name )
-{
- void* hwnd = 0;
-
- CV_FUNCNAME( "cvGetWindowHandle" );
-
- __BEGIN__;
-
- CvWindow* window;
-
- if( window_name == 0 )
- CV_ERROR( CV_StsNullPtr, "NULL window name" );
-
- window = icvFindWindowByName( window_name );
- if( window )
- hwnd = (void*)window->hwnd;
-
- __END__;
-
- return hwnd;
-}
-
-
-CV_IMPL const char* cvGetWindowName( void* window_handle )
-{
- const char* window_name = "";
-
- CV_FUNCNAME( "cvGetWindowName" );
-
- __BEGIN__;
-
- CvWindow* window;
-
- if( window_handle == 0 )
- CV_ERROR( CV_StsNullPtr, "NULL window" );
-
- window = icvWindowByHWND( (HWND)window_handle );
- if( window )
- window_name = window->name;
-
- __END__;
-
- return window_name;
-}
-
-
-
-CV_IMPL void
-cvSetPreprocessFuncWin32(int (__cdecl *on_preprocess)(HWND, UINT, WPARAM, LPARAM, int*))
-{
- if(on_preprocess)
- hg_on_preprocess = on_preprocess;
- else
- assert(on_preprocess);
-}
-
-CV_IMPL void
-cvSetPostprocessFuncWin32(int (__cdecl *on_postprocess)(HWND, UINT, WPARAM, LPARAM, int*))
-{
- if(on_postprocess)
- hg_on_postprocess = on_postprocess;
- else
- assert(on_postprocess);
-}
-
-#endif //WIN32
projects / opencv / blobdiff