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 *   Copyright (C) 2010 by Simon Andreas Eugster (simon.eu@gmail.com)      *
 *   This file is part of kdenlive. See www.kdenlive.org.                  *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *


#include <QtCore>
#include "ui_vectorscope_ui.h"
#include "abstractscopewidget.h"

class ColorPlaneExport;
class ColorTools;
class Render;
class Monitor;
class Vectorscope_UI;
class VectorscopeGenerator;

enum BACKGROUND_MODE { BG_NONE = 0, BG_YUV = 1, BG_CHROMA = 2, BG_YPbPr = 3 };

00027 class Vectorscope : public AbstractScopeWidget {

    Vectorscope(Monitor *projMonitor, Monitor *clipMonitor, QWidget *parent = 0);

    QString widgetName() const;

    ///// Implemented methods /////
    QRect scopeRect();
    QImage renderHUD(uint accelerationFactor);
    QImage renderScope(uint accelerationFactor, const QImage);
    QImage renderBackground(uint accelerationFactor);
    bool isHUDDependingOnInput() const;
    bool isScopeDependingOnInput() const;
    bool isBackgroundDependingOnInput() const;
    virtual void readConfig();

    ///// Other /////
    void writeConfig();

    Ui::Vectorscope_UI *ui;

    ColorTools *m_colorTools;
    ColorPlaneExport *m_colorPlaneExport;

    QActionGroup *m_agColorSpace;
    QAction *m_aColorSpace_YUV;
    QAction *m_aColorSpace_YPbPr;
    QAction *m_aExportBackground;
    QAction *m_aAxisEnabled;
    QAction *m_a75PBox;

    VectorscopeGenerator *m_vectorscopeGenerator;

    /** How to represent the pixels on the scope (green, original color, ...) */
00066     int iPaintMode;

    /** Custom scaling of the vectorscope */
00069     float m_gain;

    QPoint m_centerPoint, pR75, pG75, pB75, pCy75, pMg75, pYl75;
    QPoint qR75, qG75, qB75, qCy75, qMg75, qYl75;

    /** Updates the dimension. Only necessary when the widget has been resized. */
    void updateDimensions();
    int cw;

    /** Counts the number of frames that have been rendered in one of the monitors.
      The frame number will be reset when the vectorscope starts calculating the
      current frame. */
//    QAtomicInt newFrames;
    /** Counts the number of other changes that should cause the vectorscope to be
      recalculated. This is for example a resizeEvent. In this case, no new frames
      are generated, but the scope has to be updated in any case (also if auto-update
      is not enabled). */
//    QAtomicInt newChanges;
    /** Counts the number of changes concerning the background wheel */
//    QAtomicInt newWheelChanges;

private slots:
    void slotGainChanged(int);
    void slotBackgroundChanged();
    void slotExportBackground();
    void slotColorSpaceChanged();


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