virtual_channel_info.cpp

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/*
 *  SPDX-FileCopyrightText: 2015 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include "virtual_channel_info.h"
#include <klocalizedstring.h>
 
#include <KoColorSpace.h>
#include <KoColorModelStandardIds.h>
 
 
VirtualChannelInfo::VirtualChannelInfo()
    : m_type(LIGHTNESS),
      m_pixelIndex(-1),
      m_realChannelInfo(0)
{
}
 
VirtualChannelInfo::VirtualChannelInfo(Type type,
                                       int pixelIndex,
                                       KoChannelInfo *realChannelInfo,
                                       const KoColorSpace *cs)
    : m_type(type),
      m_pixelIndex(pixelIndex),
      m_realChannelInfo(realChannelInfo)
{
    if (m_type == HUE) {
        m_nameOverride = i18n("Hue");
        m_valueTypeOverride = KoChannelInfo::FLOAT32;
        m_channelSizeOverride = 4;
    } else if (m_type == SATURATION) {
        m_nameOverride = i18n("Saturation");
        m_valueTypeOverride = KoChannelInfo::FLOAT32;
        m_channelSizeOverride = 4;
    } else if (m_type == LIGHTNESS) {
        m_nameOverride = i18nc("Lightness L*a*b*", "Lightness");
        m_valueTypeOverride = KoChannelInfo::FLOAT32;
        m_channelSizeOverride = 4;
    } else if (m_type == ALL_COLORS) {
        const QList<KoChannelInfo*> channels = cs->channels();
 
        if (cs->colorModelId() == RGBAColorModelID) {
            m_nameOverride = "RGB";
        } else if (cs->colorModelId() == CMYKAColorModelID) {
            m_nameOverride = "CMYK";
        } else if (cs->colorModelId() == XYZAColorModelID) {
            m_nameOverride = "XYZ";
        } else if (cs->colorModelId() == LABAColorModelID) {
            m_nameOverride = "L*a*b*";
        } else if (cs->colorModelId() == YCbCrAColorModelID) {
            m_nameOverride = "YCbCr";
        } else {
            m_nameOverride = cs->colorModelId().id();
        }
        m_valueTypeOverride = channels.first()->channelValueType();
        m_channelSizeOverride = channels.first()->size();
    }
}
 
VirtualChannelInfo::Type VirtualChannelInfo::type() const {
    return m_type;
}
 
KoChannelInfo* VirtualChannelInfo::channelInfo() const {
    return m_realChannelInfo;
}
 
QString VirtualChannelInfo::name() const {
    return m_type == REAL ? m_realChannelInfo->name() : m_nameOverride;
}
 
int VirtualChannelInfo::pixelIndex() const {
    return m_pixelIndex;
}
 
KoChannelInfo::enumChannelValueType VirtualChannelInfo::valueType() const {
    return m_type == REAL ? m_realChannelInfo->channelValueType() : m_valueTypeOverride;
}
 
int VirtualChannelInfo::channelSize() const {
    return m_type == REAL ? m_realChannelInfo->size() : m_channelSizeOverride;
}
 
bool VirtualChannelInfo::isAlpha() const
{
    return m_type == REAL &&
        m_realChannelInfo->channelType() == KoChannelInfo::ALPHA;
}