--- /dev/null
+// Copyright (c) 2017 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#import <Foundation/Foundation.h>
+
+#import "GLViewController.h"
+#import "GLView.h"
+
+@implementation GLViewController
+
+// =======================================================================
+// function : init
+// purpose :
+// =======================================================================
+- (id) init
+{
+ self = [super init];
+
+ if (self) {
+ myOcctViewer = new OcctViewer();
+ }
+
+ return self;
+}
+
+// =======================================================================
+// function : Draw
+// purpose :
+// =======================================================================
+- (void) Draw
+{
+}
+
+// =======================================================================
+// function : Setup
+// purpose :
+// =======================================================================
+- (void) Setup {
+ if (!myOcctViewer->InitViewer(self.view)) {
+ NSLog(@"Failed to init viewer");
+ }
+ else {
+ [self importScrew:nullptr];
+ }
+}
+
+// =======================================================================
+// function : loadView
+// purpose :
+// =======================================================================
+- (void) loadView
+{
+ GLView* aGLView = [[GLView alloc] init];
+ aGLView->myController = self;
+ self.view = aGLView;
+}
+
+// =======================================================================
+// function : touchesBegan
+// purpose :
+// =======================================================================
+- (void)touchesBegan:(NSSet *)theTouches withEvent:(UIEvent *)theEvent
+{
+ [super touchesBegan:theTouches withEvent:theEvent];
+
+ UITouch *aTouch = [theTouches anyObject];
+ if (aTouch != NULL) {
+ CGPoint aTouchPoint = [aTouch locationInView:self.view];
+ myOcctViewer->StartRotation((int)aTouchPoint.x, (int)aTouchPoint.y);
+ }
+}
+
+// =======================================================================
+// function : touchesMoved
+// purpose :
+// =======================================================================
+- (void)touchesMoved:(NSSet *)theTouches withEvent:(UIEvent *)theEvent
+{
+ [super touchesMoved:theTouches withEvent:theEvent];
+
+ UITouch *aTouch = [theTouches anyObject];
+ if (aTouch != NULL) {
+ CGPoint aTouchPoint = [aTouch locationInView:self.view];
+ myOcctViewer->Rotation((int)aTouchPoint.x, (int)aTouchPoint.y);
+ }
+
+ return;
+}
+
+// =======================================================================
+// function : viewDidLoad
+// purpose :
+// =======================================================================
+-(void)viewDidLoad
+{
+ // add zoom recognizer
+ UIPinchGestureRecognizer *aZoomRecognizer = [[UIPinchGestureRecognizer alloc]
+ initWithTarget:self
+ action:@selector(zoomHandler:)];
+
+ [[self view] addGestureRecognizer:aZoomRecognizer];
+
+ // add pan recognizer
+ UIPanGestureRecognizer *aPanRecognizer = [[UIPanGestureRecognizer alloc]
+ initWithTarget:self
+ action:@selector(panHandler:)];
+
+ aPanRecognizer.maximumNumberOfTouches = 2;
+ aPanRecognizer.minimumNumberOfTouches = 2;
+
+ [[self view] addGestureRecognizer:aPanRecognizer];
+
+ UITapGestureRecognizer *aTapRecognizer = [[UITapGestureRecognizer alloc]
+ initWithTarget:self
+ action:@selector(tapHandler:)];
+
+ [[self view] addGestureRecognizer:aTapRecognizer];
+
+
+ // add import buttons
+ UIBarButtonItem *importScrewBtn = [[UIBarButtonItem alloc]
+ initWithTitle:@"Sample 1"
+ style:UIBarButtonItemStylePlain
+ target:self
+ action:@selector(importScrew:)];
+
+ UIBarButtonItem *importLinkrodsBtn = [[UIBarButtonItem alloc]
+ initWithTitle:@"Sample 2"
+ style:UIBarButtonItemStylePlain
+ target:self
+ action:@selector(importLinkrods:)];
+
+ UIBarButtonItem *displayAboutDlgBtn = [[UIBarButtonItem alloc]
+ initWithTitle:@"About"
+ style:UIBarButtonItemStylePlain
+ target:self
+ action:@selector(displayAboutDlg:)];
+
+ [self.navigationItem setLeftBarButtonItems:[NSArray arrayWithObjects:importScrewBtn, importLinkrodsBtn, nil]];
+ [self.navigationItem setRightBarButtonItem: displayAboutDlgBtn];
+}
+
+// =======================================================================
+// function : zoomHandler
+// purpose :
+// =======================================================================
+- (void)zoomHandler:(UIPinchGestureRecognizer *)pinchRecognizer
+{
+ if ([pinchRecognizer numberOfTouches] > 1)
+ {
+ UIGestureRecognizerState aState = [pinchRecognizer state];
+ if (aState == UIGestureRecognizerStateBegan)
+ {
+ myFirstTouch[0] = [pinchRecognizer locationOfTouch:0 inView:self.view];
+ myFirstTouch[1] = [pinchRecognizer locationOfTouch:1 inView:self.view];
+ }
+ else if (aState == UIGestureRecognizerStateChanged) {
+ CGPoint aLastTouch[2] = {
+ [pinchRecognizer locationOfTouch:0 inView:self.view],
+ [pinchRecognizer locationOfTouch:1 inView:self.view]
+ };
+
+ double aPinchCenterXStart = ( myFirstTouch[0].x + myFirstTouch[1].x ) / 2.0;
+ double aPinchCenterYStart = ( myFirstTouch[0].y + myFirstTouch[1].y ) / 2.0;
+
+ double aStartDist = Sqrt( ( myFirstTouch[0].x - myFirstTouch[1].x ) * ( myFirstTouch[0].x - myFirstTouch[1].x ) +
+ ( myFirstTouch[0].y - myFirstTouch[1].y ) * ( myFirstTouch[0].y - myFirstTouch[1].y ) );
+ double anEndDist = Sqrt( ( aLastTouch[0].x - aLastTouch[1].x ) * ( aLastTouch[0].x - aLastTouch[1].x ) +
+ ( aLastTouch[0].y - aLastTouch[1].y ) * ( aLastTouch[0].y - aLastTouch[1].y ) );
+
+ double aDeltaDist = anEndDist - aStartDist;
+
+ myOcctViewer->Zoom(aPinchCenterXStart, aPinchCenterYStart, aDeltaDist);
+
+ myFirstTouch[0] = aLastTouch[0];
+ myFirstTouch[1] = aLastTouch[1];
+ }
+ }
+}
+
+// =======================================================================
+// function : panHandler
+// purpose :
+// =======================================================================
+- (void)panHandler:(UIPanGestureRecognizer *)panRecognizer
+{
+ if ([panRecognizer numberOfTouches] > 1)
+ {
+ UIGestureRecognizerState aState = [panRecognizer state];
+ if (aState == UIGestureRecognizerStateBegan)
+ {
+ myFirstTouch[0] = [panRecognizer locationOfTouch:0 inView:self.view];
+ myFirstTouch[1] = [panRecognizer locationOfTouch:1 inView:self.view];
+ }
+ else if (aState == UIGestureRecognizerStateChanged) {
+ CGPoint aLastTouch[2] = {
+ [panRecognizer locationOfTouch:0 inView:self.view],
+ [panRecognizer locationOfTouch:1 inView:self.view]
+ };
+
+ double aPinchCenterXStart = ( myFirstTouch[0].x + myFirstTouch[1].x ) / 2.0;
+ double aPinchCenterYStart = ( myFirstTouch[0].y + myFirstTouch[1].y ) / 2.0;
+
+ double aPinchCenterXEnd = ( aLastTouch[0].x + aLastTouch[1].x ) / 2.0;
+ double aPinchCenterYEnd = ( aLastTouch[0].y + aLastTouch[1].y ) / 2.0;
+
+ double aPinchCenterXDev = aPinchCenterXEnd - aPinchCenterXStart;
+ double aPinchCenterYDev = aPinchCenterYEnd - aPinchCenterYStart;
+
+ myOcctViewer->Pan((int)aPinchCenterXDev, (int)-aPinchCenterYDev);
+ }
+ }
+}
+
+// =======================================================================
+// function : tapHandler
+// purpose :
+// =======================================================================
+- (void)tapHandler:(UITapGestureRecognizer *)tapRecognizer
+{
+ CGPoint aTapPoint = [tapRecognizer locationInView:self.view];
+ myOcctViewer->Select(aTapPoint.x, aTapPoint.y);
+}
+
+// =======================================================================
+// function : importScrew
+// purpose :
+// =======================================================================
+- (void)importScrew:(UIBarButtonItem *)theSender
+{
+ NSString* aNsPath = [[NSBundle mainBundle] pathForResource:@"screw"
+ ofType:@"step"];
+ std::string aPath = std::string([aNsPath UTF8String]);
+
+ myOcctViewer->ImportSTEP(aPath);
+ myOcctViewer->FitAll();
+}
+
+// =======================================================================
+// function : importLinkrods
+// purpose :
+// =======================================================================
+- (void)importLinkrods:(UIBarButtonItem *)theSender
+{
+ NSString* aNsPath = [[NSBundle mainBundle] pathForResource:@"linkrods"
+ ofType:@"step"];
+ std::string aPath = std::string([aNsPath UTF8String]);
+
+ myOcctViewer->ImportSTEP(aPath);
+ myOcctViewer->FitAll();
+}
+
+// =======================================================================
+// function : displayAboutDlg
+// purpose :
+// =======================================================================
+- (void)displayAboutDlg:(UIBarButtonItem *)theSender
+{
+ UIAlertController* anAbout = [UIAlertController alertControllerWithTitle:@"About"
+ message:@"UIKit based application for tutorial to Open CASCADE Technology.\n\n"
+ @"Copyright (c) 2017 OPEN CASCADE SAS"
+ preferredStyle:UIAlertControllerStyleAlert];
+
+ UIAlertAction* aDefaultAction = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault
+ handler:^(UIAlertAction * action) {}];
+
+ [anAbout addAction:aDefaultAction];
+ [self presentViewController:anAbout animated:YES completion:nil];
+}
+
+@end
projects / occt.git / blobdiff