ColorMap Class Reference

#include <src/ckb/colormap.h>

Collaboration diagram for ColorMap:

Public Member Functions
	ColorMap ()
	~ColorMap ()
	ColorMap (const ColorMap &rhs)
const ColorMap &	operator= (const ColorMap &rhs)
bool	operator== (const ColorMap &rhs) const
void	init (const KeyMap &map)
void	clear ()
int	count () const
const char *const *	keyNames () const
QRgb *	colors ()
const QRgb *	colors () const
QRgb *	colorForName (const char *name)
const QRgb *	colorForName (const char *name) const

Private Member Functions
void	alloc (int count)
void	deAlloc ()

Private Attributes
const char **	_keyNames
QRgb *	_colors
int	_count
int	_mapCount

Detailed Description

Definition at line 15 of file colormap.h.

Constructor & Destructor Documentation

ColorMap::ColorMap

(

)

Definition at line 3 of file colormap.cpp.

                   :
    _keyNames(0), _colors(0), _count(0), _mapCount(0)
{
}

ColorMap::~ColorMap

(

)

Definition at line 8 of file colormap.cpp.

References deAlloc().

                   {
    deAlloc();
}

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ColorMap::ColorMap

(

const ColorMap &

rhs

)

Definition at line 12 of file colormap.cpp.

                                      :
    _keyNames(0), _colors(0), _count(0), _mapCount(0)
{
    *this = rhs;
}

Member Function Documentation

void ColorMap::alloc ( int  count )

private

Definition at line 43 of file colormap.cpp.

References _colors, _count, _keyNames, _mapCount, clear(), and deAlloc().

Referenced by init(), and operator=().

                                {
    if(newCount > _mapCount){
        // ^ map never shrinks, only expands
        deAlloc();
        _mapCount = newCount;
        _keyNames = new const char*[_mapCount];
        _colors = new QRgb[_mapCount];
    }
    _count = newCount;
    clear();
}

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void ColorMap::clear

(

)

Definition at line 61 of file colormap.cpp.

References _colors, and _count.

Referenced by alloc(), AnimScript::end(), and KbLight::resetIndicators().

                    {
    memset(_colors, 0, _count * sizeof(QRgb));
}

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QRgb * ColorMap::colorForName

(

const char *

name

)

Definition at line 88 of file colormap.cpp.

References _colors, _count, _keyNames, and qs_strcmp().

Referenced by KbLight::base(), KbLight::color(), KeyWidget::paintEvent(), AnimScript::readProcess(), KbLight::rebuildBaseMap(), and KbLight::setIndicator().

                                            {
    if(!_keyNames)
        return 0;
    const char** namePtr = (const char**)bsearch(&name, _keyNames, _count, sizeof(const char*), qs_strcmp);
    if(!namePtr)
        return 0;
    ptrdiff_t position = namePtr - _keyNames;
    return _colors + position;
}

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const QRgb * ColorMap::colorForName

(

const char *

name

)

const

Definition at line 98 of file colormap.cpp.

References _colors, _count, _keyNames, and qs_strcmp().

                                                         {
    if(!_keyNames)
        return 0;
    const char** namePtr = (const char**)bsearch(&name, _keyNames, _count, sizeof(const char*), qs_strcmp);
    if(!namePtr)
        return 0;
    ptrdiff_t position = namePtr - _keyNames;
    return _colors + position;
}

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QRgb* ColorMap::colors ( )

inline

Definition at line 33 of file colormap.h.

References _colors.

Referenced by KbLight::base(), KbAnim::blend(), KbLight::color(), KbLight::frameUpdate(), KbLight::printRGB(), and AnimScript::readProcess().

{ return _colors; }

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const QRgb* ColorMap::colors ( ) const

inline

Definition at line 34 of file colormap.h.

References _colors.

{ return _colors; }

int ColorMap::count ( ) const

inline

Definition at line 31 of file colormap.h.

References _count.

Referenced by KbLight::base(), KbAnim::blend(), KbLight::color(), KbLight::frameUpdate(), KbLight::printRGB(), and AnimScript::readProcess().

{ return _count; }

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void ColorMap::deAlloc ( )

private

Definition at line 55 of file colormap.cpp.

References _colors, _count, _keyNames, and _mapCount.

Referenced by alloc(), and ~ColorMap().

                      {
    _count = _mapCount = 0;
    if(_keyNames) delete[] _keyNames;
    if(_colors) delete[] _colors;
}

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void ColorMap::init

(

const KeyMap &

map

)

Definition at line 69 of file colormap.cpp.

References _count, _keyNames, alloc(), Key::hasLed, Key::name, KeyMap::positions(), and qs_strcmp().

Referenced by AnimScript::init(), and KbLight::map().

                                    {
    QList<Key> newKeys = map.positions();
    // There's no point including keys that don't have LEDs, so remove them now
    QMutableListIterator<Key> i(newKeys);
    while(i.hasNext()){
        Key key = i.next();
        if(!key.hasLed)
            i.remove();
    }
    // Now that we know how many keys we'll have, check memory
    alloc(newKeys.count());
    // Copy key names
    int keyPos = 0;
    foreach(const Key& key, newKeys)
        _keyNames[keyPos++] = key.name;     // as above, it's safe to copy these since the strings are constants
    // Sort names for quick access
    qsort(_keyNames, _count, sizeof(const char*), qs_strcmp);
}

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const char* const* ColorMap::keyNames ( ) const

inline

Definition at line 32 of file colormap.h.

References _keyNames.

Referenced by KbLight::printRGB().

{ return _keyNames; }

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const ColorMap & ColorMap::operator=

(

const ColorMap &

rhs

)

Definition at line 18 of file colormap.cpp.

References _colors, _count, _keyNames, and alloc().

                                                      {
    alloc(rhs._count);
    // Copy key names and colors
    // (Note: it's safe to copy the const char*'s because key names are constants and will never move or be deleted)
    memcpy(_keyNames, rhs._keyNames, sizeof(const char*) * _count);
    memcpy(_colors, rhs._colors, sizeof(QRgb) * _count);
    return rhs;
}

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bool ColorMap::operator==

(

const ColorMap &

rhs

)

const

Definition at line 27 of file colormap.cpp.

References _colors, _count, _keyNames, and x.

                                                  {
    if(_count != rhs._count)
        return false;

    // Compare just the pointers because key names are sorted and the strings are constants.
    if(memcmp(_keyNames, rhs._keyNames, sizeof(const char*) * _count) != 0)
        return false;

    for(int x = 0;x < _count;x++){
        if(_colors[x] != rhs._colors[x])
            return false;
    }

    return true;
}

Field Documentation

QRgb* ColorMap::_colors

private

Definition at line 45 of file colormap.h.

Referenced by alloc(), clear(), colorForName(), colors(), deAlloc(), operator=(), and operator==().

int ColorMap::_count

private

Definition at line 46 of file colormap.h.

Referenced by alloc(), clear(), colorForName(), count(), deAlloc(), init(), operator=(), and operator==().

const char** ColorMap::_keyNames

private

Definition at line 44 of file colormap.h.

Referenced by alloc(), colorForName(), deAlloc(), init(), keyNames(), operator=(), and operator==().

int ColorMap::_mapCount

private

Definition at line 46 of file colormap.h.

Referenced by alloc(), and deAlloc().

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The documentation for this class was generated from the following files:

• src/ckb/colormap.h
• src/ckb/colormap.cpp