libs/pigment/KoColorDisplayRendererInterface.cpp

0001 /*
0002  *  Copyright (c) 2014 Dmitry Kazakov <dimula73@gmail.com>
0003  *
0004  * This library is free software; you can redistribute it and/or
0005  * modify it under the terms of the GNU Lesser General Public
0006  * License as published by the Free Software Foundation; either
0007  * version 2.1 of the License, or (at your option) any later version.
0008  *
0009  * This library is distributed in the hope that it will be useful,
0010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0012  * Lesser General Public License for more details.
0013  *
0014  * You should have received a copy of the GNU Lesser General Public License
0015  * along with this library; see the file COPYING.LIB.  If not, write to
0016  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0017  * Boston, MA 02110-1301, USA.
0018  */
0019
0020 #include "KoColorDisplayRendererInterface.h"
0021
0022 #include <QGlobalStatic>
0023
0024 #include <KoColorSpaceRegistry.h>
0025 #include <KoChannelInfo.h>
0026
0027 Q_GLOBAL_STATIC(KoDumbColorDisplayRenderer, s_instance)
0028
0029 KoColorDisplayRendererInterface::KoColorDisplayRendererInterface()
0030 {
0031 }
0032
0033 KoColorDisplayRendererInterface::~KoColorDisplayRendererInterface()
0034 {
0035 }
0036
0037 QColor KoDumbColorDisplayRenderer::toQColor(const KoColor &c) const
0038 {
0039     return c.toQColor();
0040 }
0041
0042 KoColor KoDumbColorDisplayRenderer::approximateFromRenderedQColor(const QColor &c) const
0043 {
0044     KoColor color;
0045     color.fromQColor(c);
0046     return color;
0047 }
0048
0049 KoColor KoDumbColorDisplayRenderer::fromHsv(int h, int s, int v, int a) const
0050 {
0051     h = qBound(0, h, 359);
0052     s = qBound(0, s, 255);
0053     v = qBound(0, v, 255);
0054     a = qBound(0, a, 255);
0055     QColor qcolor(QColor::fromHsv(h, s, v, a));
0056     return KoColor(qcolor, KoColorSpaceRegistry::instance()->rgb8());
0057 }
0058
0059 void KoDumbColorDisplayRenderer::getHsv(const KoColor &srcColor, int *h, int *s, int *v, int *a) const
0060 {
0061     QColor qcolor = toQColor(srcColor);
0062     qcolor.getHsv(h, s, v, a);
0063 }
0064
0065 KoColorDisplayRendererInterface* KoDumbColorDisplayRenderer::instance()
0066 {
0067     return s_instance;
0068 }
0069
0070 qreal KoDumbColorDisplayRenderer::minVisibleFloatValue(const KoChannelInfo *chaninfo) const
0071 {
0072     Q_ASSERT(chaninfo);
0073     return chaninfo->getUIMin();
0074 }
0075
0076 qreal KoDumbColorDisplayRenderer::maxVisibleFloatValue(const KoChannelInfo *chaninfo) const
0077 {
0078     Q_ASSERT(chaninfo);
0079     return chaninfo->getUIMax();
0080 }