/*

File: VideoMixView.h

Abstract:   The VideoMixView is a subclass of NSOpenGLView.

        Here you find the code for the view interaction as

        well as the setup of the OpenGL context with the

        setting up of the OpenGL state.

Version: 1.0

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*/ 

#import <Cocoa/Cocoa.h>

#import <pthread.h>

@interface VideoMixView : NSOpenGLView

{

    id              controller;

    pthread_mutex_t     drawingLock;    // this is the lock to serialize the multithreaded access to the view

    BOOL            contextIsInitialized;

    BOOL            dirty;

    NSOpenGLContext     *sharedContext;

    BOOL            needsReshape;

}

- (void)setupSharedContext;     // create the shared context

- (NSOpenGLContext*)sharedContext;  // return the shared context. This is the context that QT will use for the textures

- (void)lock;               // aquire the mutex lock

- (void)unlock;             // release the mutex lock

- (void)reshape;            // view was scrolled, moved in the window or resized

- (void)clear;              // clean the output

- (void)flushOutput;            // render the output to the screen

- (void)setDirty:(BOOL)inDirty;     // set when something new is to be rendered

- (BOOL)dirty;              // check if there is something new to be rendered

@end