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; Rect stboundsRect; ControlRef outControl; ControlRef stoutControl; Rect bounds; 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 ) { int len = strlen(trackbar_name); trackbar = (CvTrackbar*)cvAlloc(sizeof(CvTrackbar) + len + 1); memset( trackbar, 0, sizeof(*trackbar)); trackbar->signature = CV_TRACKBAR_MAGIC_VAL; trackbar->name = (char*)(trackbar+1); memcpy( trackbar->name, trackbar_name, len + 1 ); trackbar->parent = window; trackbar->next = window->toolbar.first; window->toolbar.first = trackbar; if( val ) { int value = *val; if( value < 0 ) value = 0; if( value > count ) value = count; trackbar->pos = value; trackbar->data = val; } trackbar->maxval = count; trackbar->notify = on_notify; int c = icvCountTrackbarInWindow(window); GetWindowBounds(window->window,kWindowContentRgn,&bounds); stboundsRect.top = (INTERWIDGETSPACE +WIDGETHEIGHT)* (c-1)+INTERWIDGETSPACE; stboundsRect.left = INTERWIDGETSPACE; stboundsRect.bottom = stboundsRect.top + WIDGETHEIGHT; stboundsRect.right = stboundsRect.left+LABELWIDTH; fprintf(stdout,"create trackabar bounds (%d %d %d %d)\n",stboundsRect.top,stboundsRect.left,stboundsRect.bottom,stboundsRect.right); CreateStaticTextControl (window->window,&stboundsRect,CFStringCreateWithCString(NULL,trackbar_name,kCFStringEncodingASCII),NULL,&stoutControl); stboundsRect.top = (INTERWIDGETSPACE +WIDGETHEIGHT)* (c-1)+INTERWIDGETSPACE; stboundsRect.left = INTERWIDGETSPACE*2+LABELWIDTH; stboundsRect.bottom = stboundsRect.top + WIDGETHEIGHT; stboundsRect.right = bounds.right-INTERWIDGETSPACE; CreateSliderControl (window->window,&stboundsRect, trackbar->pos,0,trackbar->maxval,kControlSliderLiveFeedback,0,true,NewControlActionUPP(TrackbarActionProcPtr),&outControl); bounds.bottom += INTERWIDGETSPACE + WIDGETHEIGHT; SetControlVisibility (outControl,true,true); SetControlVisibility (stoutControl,true,true); trackbar->trackbar = outControl; trackbar->label = stoutControl; if (c == 1) window->trackbarheight = INTERWIDGETSPACE*2 + WIDGETHEIGHT; else window->trackbarheight += INTERWIDGETSPACE + WIDGETHEIGHT; icvUpdateWindowSize( window ); } __END__; return result; }
static pascal OSStatus windowEventHandler(EventHandlerCallRef nextHandler, EventRef theEvent, void *inUserData) { CvWindow* window = NULL; UInt32 eventKind, eventClass; OSErr err = noErr; int event = 0; UInt32 count = 0; HIPoint point = {0,0}; EventMouseButton eventMouseButton = 0;//FD UInt32 modifiers;//FD WindowRef theWindow = (WindowRef)inUserData; if (theWindow == NULL) return eventNotHandledErr; window = icvWindowByHandle(theWindow); if ( window == NULL) return eventNotHandledErr; eventKind = GetEventKind(theEvent); eventClass = GetEventClass(theEvent); switch (eventClass) { case kEventClassMouse : { switch (eventKind){ case kEventMouseUp : case kEventMouseDown : case kEventMouseMoved : { err = CallNextEventHandler(nextHandler, theEvent); if (err != eventNotHandledErr) return err; err = GetEventParameter(theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(eventMouseButton), NULL, &eventMouseButton); err = GetEventParameter(theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(modifiers), NULL, &modifiers); err = GetEventParameter(theEvent,kEventParamClickCount,typeUInt32,NULL,sizeof(UInt32),NULL,&count); if (err == noErr){ if (count >1) event += 6; } else { event = CV_EVENT_MOUSEMOVE; } if (eventKind == kEventMouseUp) event +=4; if (eventKind == kEventMouseDown) event +=1; err = GetEventParameter(theEvent, kEventParamWindowMouseLocation, typeHIPoint, NULL, sizeof(point), NULL, &point); if (eventKind != kEventMouseMoved){ switch(eventMouseButton){ case kEventMouseButtonPrimary: if (modifiers & controlKey) /* ctrl-click for right button */ event += 1; break; case kEventMouseButtonSecondary: event += 1; break; case kEventMouseButtonTertiary: event += 2; break; } } int c = icvCountTrackbarInWindow(window); if (window->on_mouse != NULL){ int lx,ly; Rect structure, content; GetWindowBounds(theWindow, kWindowStructureRgn, &structure); GetWindowBounds(theWindow, kWindowContentRgn, &content); lx = point.x - content.left + structure.left; ly = point.y - window->trackbarheight - content.top + structure.top; /* minus la taille des trackbars */ if (window->flags & CV_WINDOW_AUTOSIZE) {//FD //printf("was %d,%d\n", lx, ly); /* scale the mouse coordinates */ lx = lx * window->imageWidth / (content.right - content.left); ly = ly * window->imageHeight / (content.bottom - content.top - window->trackbarheight); //printf("now %d,%d\n", lx, ly); } //fprintf(stdout,"final OpenCV event is %d\n",event); //fprintf(stdout,"event @ %d %d which is localy %d %d offset of %d\n",point.h, point.v ,lx,ly,yOffset); if (lx>0 && ly >0){ /* a remettre dans les coordonnŽes locale */ window->on_mouse(event,lx,ly,0,NULL); } } } default : return eventNotHandledErr; } } case kEventClassWindow : {//FD switch (eventKind){ case kEventWindowBoundsChanged : { /* resize the trackbars */ CvTrackbar *t; Rect bounds; GetWindowBounds(window->window,kWindowContentRgn,&bounds); for ( t = window->toolbar.first; t != 0; t = t->next ) SizeControl(t->trackbar,bounds.right - bounds.left - INTERWIDGETSPACE*3 - LABELWIDTH , WIDGETHEIGHT); } /* redraw the image */ icvDrawImage(window); break; default : return eventNotHandledErr; } } default: return eventNotHandledErr; } return eventNotHandledErr; }
static int icvCreateTrackbar (const char* trackbar_name, const char* window_name, int* val, int count, CvTrackbarCallback on_notify, CvTrackbarCallback2 on_notify2, void* userdata) { int result = 0; CV_FUNCNAME( "icvCreateTrackbar" ); __BEGIN__; /*char slider_name[32];*/ CvWindow* window = 0; CvTrackbar* trackbar = 0; Rect stboundsRect; ControlRef outControl; ControlRef stoutControl; Rect bounds; 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 ) { int len = strlen(trackbar_name); trackbar = (CvTrackbar*)cvAlloc(sizeof(CvTrackbar) + len + 1); memset( trackbar, 0, sizeof(*trackbar)); trackbar->signature = CV_TRACKBAR_MAGIC_VAL; trackbar->name = (char*)(trackbar+1); memcpy( trackbar->name, trackbar_name, len + 1 ); trackbar->parent = window; trackbar->next = window->toolbar.first; window->toolbar.first = trackbar; if( val ) { int value = *val; if( value < 0 ) value = 0; if( value > count ) value = count; trackbar->pos = value; trackbar->data = val; } trackbar->maxval = count; //----------- YV ---------------------- //get nb of digits int nbDigit = 0; while((count/=10)>10){ nbDigit++; } //pad size maxvalue in pixel Point qdSize; char valueinchar[strlen(trackbar_name)+1 +1 +1+nbDigit+1];//length+\n +space +(+nbDigit+) sprintf(valueinchar, "%s (%d)",trackbar_name, trackbar->maxval); SInt16 baseline; CFStringRef text = CFStringCreateWithCString(NULL,valueinchar,kCFStringEncodingASCII); GetThemeTextDimensions( text, kThemeCurrentPortFont, kThemeStateActive, false, &qdSize, &baseline ); trackbar->labelSize = qdSize.h; //-------------------------------------- int c = icvCountTrackbarInWindow(window); GetWindowBounds(window->window,kWindowContentRgn,&bounds); stboundsRect.top = (INTERWIDGETSPACE +WIDGETHEIGHT)* (c-1)+INTERWIDGETSPACE; stboundsRect.left = INTERWIDGETSPACE; stboundsRect.bottom = stboundsRect.top + WIDGETHEIGHT; stboundsRect.right = stboundsRect.left+LABELWIDTH; //fprintf(stdout,"create trackabar bounds (%d %d %d %d)\n",stboundsRect.top,stboundsRect.left,stboundsRect.bottom,stboundsRect.right); //----------- YV ---------------------- sprintf(valueinchar, "%s (%d)",trackbar_name, trackbar->pos); CreateStaticTextControl (window->window,&stboundsRect,CFStringCreateWithCString(NULL,valueinchar,kCFStringEncodingASCII),NULL,&stoutControl); //-------------------------------------- stboundsRect.top = (INTERWIDGETSPACE +WIDGETHEIGHT)* (c-1)+INTERWIDGETSPACE; stboundsRect.left = INTERWIDGETSPACE*2+LABELWIDTH; stboundsRect.bottom = stboundsRect.top + WIDGETHEIGHT; stboundsRect.right = bounds.right-INTERWIDGETSPACE; CreateSliderControl (window->window,&stboundsRect, trackbar->pos,0,trackbar->maxval,kControlSliderLiveFeedback,0,true,NewControlActionUPP(TrackbarActionProcPtr),&outControl); bounds.bottom += INTERWIDGETSPACE + WIDGETHEIGHT; SetControlVisibility (outControl,true,true); SetControlVisibility (stoutControl,true,true); trackbar->trackbar = outControl; trackbar->label = stoutControl; if (c == 1) window->trackbarheight = INTERWIDGETSPACE*2 + WIDGETHEIGHT; else window->trackbarheight += INTERWIDGETSPACE + WIDGETHEIGHT; icvUpdateWindowSize( window ); } trackbar->notify = on_notify; trackbar->notify2 = on_notify2; trackbar->userdata = userdata; result = 1; __END__; return result; }