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/***************************************************************************
kzcolorselector.h - description
-------------------
begin : Fri Jul 14 2000
copyright : (C) 2000 by Artur Rataj
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef KZCOLORSELECTOR_H
#define KZCOLORSELECTOR_H
#include "tqcolor.h"
#include "tqpixmap.h"
#include "kselect.h"
#include "color.h"
/** A widget for selecting a color component
* @author Artur Rataj
*/
class KZColorSelector : public KSelector {
Q_OBJECT
TQ_OBJECT
public:
/** Selector type constants */
enum { TYPE_H = 0,
TYPE_S = 1,
TYPE_V = 2 };
/** Constructs the widget */
KZColorSelector(Qt::Orientation o, TQWidget *parent=0, const char *name=0);
~KZColorSelector();
/** Sets the selector type */
void setType(const int type);
/** Update the pixmap */
void updateContents();
/** Set the global components */
void setBaseColor(const TQColor& color);
/** Set the global components using HSV components */
void setBaseColorHsv(const int colorH, const int colorS, const int colorV);
/** Updates a pointer position due to the base color */
void updatePointerPos();
protected:
/** The number of colors that are used to dither the pixmap
* if number of color planes <= 8. The palette returned by
* getStandardColorsPalette() is of the size.
*/
enum { STANDARD_PALETTE_SIZE = 17 };
/** A type of the selector */
int type;
/** A base color H component */
int baseColorH;
/** A base color S component */
int baseColorS;
/** A base color V component */
int baseColorV;
/** Draws the contents of the widget on a pixmap,
* which is used for buffering.
*/
virtual void drawPalette( TQPixmap *pixmap );
/** @reimplemented */
virtual void resizeEvent( TQResizeEvent * );
/** Draws a color gradient in the selector */
virtual void drawContents( TQPainter *painter );
/** Sets a color at a given coordinate */
virtual void setColor(TQColor* const color, const int y);
/** @return STANDARD_PALETTE_SIZE colors used to dither the
* pixmap if number of color planes <= 8
*/
TQColor* getStandardColorsPalette();
private:
/* The buffering pixmap */
TQPixmap pixmap;
};
#endif
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