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99 lines
3.2 KiB
99 lines
3.2 KiB
/***************************************************************************
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kxycolorselector.h - description
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-------------------
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begin : Fri Jul 7 2000
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copyright : (C) 2000 by Artur Rataj
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email : art@zeus.polsl.gliwice.pl
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef KXYCOLORSELECTOR_H
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#define KXYCOLORSELECTOR_H
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#include <tqwidget.h>
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#include <kselect.h>
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#include "main.h"
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/** A widget for selecting two of color components
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* @author Artur Rataj
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*/
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class KXYColorSelector : public KXYSelector {
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Q_OBJECT
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public:
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/** The types of the selector. They specify a color component subset */
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enum { TYPE_NONE = 0,
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TYPE_HS = 1,
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TYPE_VS = 2,
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TYPE_HV = 3,
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TYPE_RG = 4,
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TYPE_GB = 5,
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TYPE_BR = 6,
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TYPE_ = 7,
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/** Component selection resolution */
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COMPONENT_SELECTION_RESOLUTION = 10000 };
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public:
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/** Constructs a two-dimensional color component selector widget,
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* with a type TYPE_NONE and ranges 0 .. MAX_COLOR_COMPONENT_VALUE
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*/
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KXYColorSelector(TQWidget *parent=0, const char *name=0);
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~KXYColorSelector();
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/** Set the type of the selector */
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void setType(const int type);
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/** Update the pixmap */
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void updateContents();
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/** Set the global component */
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void setGlobalComponent(const int component);
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/** @return The global component */
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int globalComponent() const;
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protected:
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/** The number of colors that are used to dither the pixmap
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* if number of color planes <= 8. The palette returned by
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* getStandardColorsPalette() is of the size.
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*/
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enum { STANDARD_PALETTE_SIZE = 17 };
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/** A type of the selector */
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int type;
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/** The global component value */
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int m_globalComponent;
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/** Draws the contents of the widget on a pixmap,
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* which is used for buffering.
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*/
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virtual void drawPalette( TQPixmap *pixmap );
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/** @reimplemented */
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virtual void resizeEvent( TQResizeEvent * );
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/** Reimplemented from KXYSelector. This drawing is
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* buffered in a pixmap here. As real drawing
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* routine, drawPalette() is used.
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*/
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virtual void drawContents( TQPainter *painter );
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/** Draws the cursor */
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virtual void drawCursor(TQPainter* painter, int x, int y);
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/** set a color at a given coordinate */
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virtual void setColor(TQColor* const color, const int x, const int y);
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/** @return STANDARD_PALETTE_SIZE colors used to dither the
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* pixmap if number of color planes <= 8
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*/
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TQColor* standardColorsPalette();
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private:
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/* The buffering pixmap */
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TQPixmap pixmap;
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};
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#endif
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