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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2007 Authors:
* Christopher Brown <audiere@gmail.com>
* Ted Gould <ted@gould.cx>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "extension/effect.h"
#include "extension/system.h"
#include "levelChannel.h"
#include <Magick++.h>
namespace Inkscape {
namespace Extension {
namespace Internal {
namespace Bitmap {
void
LevelChannel::applyEffect(Magick::Image* image) {
Magick::ChannelType channel = Magick::UndefinedChannel;
if (!strcmp(_channelName, "Red Channel")) channel = Magick::RedChannel;
else if (!strcmp(_channelName, "Green Channel")) channel = Magick::GreenChannel;
else if (!strcmp(_channelName, "Blue Channel")) channel = Magick::BlueChannel;
else if (!strcmp(_channelName, "Cyan Channel")) channel = Magick::CyanChannel;
else if (!strcmp(_channelName, "Magenta Channel")) channel = Magick::MagentaChannel;
else if (!strcmp(_channelName, "Yellow Channel")) channel = Magick::YellowChannel;
else if (!strcmp(_channelName, "Black Channel")) channel = Magick::BlackChannel;
else if (!strcmp(_channelName, "Opacity Channel")) channel = Magick::OpacityChannel;
else if (!strcmp(_channelName, "Matte Channel")) channel = Magick::MatteChannel;
Magick::Quantum black_point = Magick::Color::scaleDoubleToQuantum(_black_point / 100.0);
Magick::Quantum white_point = Magick::Color::scaleDoubleToQuantum(_white_point / 100.0);
image->levelChannel(channel, black_point, white_point, _mid_point);
}
void
LevelChannel::refreshParameters(Inkscape::Extension::Effect* module) {
_channelName = module->get_param_optiongroup("channel");
_black_point = module->get_param_float("blackPoint");
_white_point = module->get_param_float("whitePoint");
_mid_point = module->get_param_float("midPoint");
}
#include "../clear-n_.h"
void
LevelChannel::init()
{
// clang-format off
Inkscape::Extension::build_from_mem(
"<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
"<name>" N_("Level (with Channel)") "</name>\n"
"<id>org.inkscape.effect.bitmap.levelChannel</id>\n"
"<param name=\"channel\" gui-text=\"" N_("Channel:") "\" type=\"optiongroup\" appearance=\"combo\" >\n"
"<option value='Red Channel'>" N_("Red Channel") "</option>\n"
"<option value='Green Channel'>" N_("Green Channel") "</option>\n"
"<option value='Blue Channel'>" N_("Blue Channel") "</option>\n"
"<option value='Cyan Channel'>" N_("Cyan Channel") "</option>\n"
"<option value='Magenta Channel'>" N_("Magenta Channel") "</option>\n"
"<option value='Yellow Channel'>" N_("Yellow Channel") "</option>\n"
"<option value='Black Channel'>" N_("Black Channel") "</option>\n"
"<option value='Opacity Channel'>" N_("Opacity Channel") "</option>\n"
"<option value='Matte Channel'>" N_("Matte Channel") "</option>\n"
"</param>\n"
"<param name=\"blackPoint\" gui-text=\"" N_("Black Point:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">0.0</param>\n"
"<param name=\"whitePoint\" gui-text=\"" N_("White Point:") "\" type=\"float\" min=\"0.0\" max=\"100.0\">100.0</param>\n"
"<param name=\"midPoint\" gui-text=\"" N_("Gamma Correction:") "\" type=\"float\" min=\"0.0\" max=\"10.0\">1.0</param>\n"
"<effect>\n"
"<object-type>all</object-type>\n"
"<effects-menu>\n"
"<submenu name=\"" N_("Raster") "\" />\n"
"</effects-menu>\n"
"<menu-tip>" N_("Level the specified channel of selected bitmap(s) by scaling values falling between the given ranges to the full color range") "</menu-tip>\n"
"</effect>\n"
"</inkscape-extension>\n", new LevelChannel());
// clang-format on
}
}; /* namespace Bitmap */
}; /* namespace Internal */
}; /* namespace Extension */
}; /* namespace Inkscape */
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