/*

File: ChartView.h

Abstract: Implements an HIView that draws a chart of the internal structure of a movie's video track.

Version: 1.0

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*/

#include <QuickTime/QuickTime.h>

extern OSStatus ChartView_Register(void);

enum {

    kChartViewUnit_Timescale = 1,

    kChartViewUnit_Seconds = 2

};

enum {

    // Width of displayed information about a single frame

    kFrameWidth = 100,

    // Max width of caption/label text.

    kLabelWidth = 100

};

extern OSStatus ChartView_SetVideoTrack( HIViewRef view, Track videoTrack );

extern OSStatus ChartView_SetScale( HIViewRef view, float pixelsPerSecond );

extern OSStatus ChartView_SetStartTime( HIViewRef view, float startTimeInSeconds );

extern OSStatus ChartView_SetUnits( HIViewRef view, int units );

extern OSStatus ChartView_GetThumbnailWidth( HIViewRef view, int *thumbnailWidth );