shade.cpp

Go to the documentation of this file.

// 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 "shade.h"
#include <Magick++.h>
 
namespace Inkscape {
namespace Extension {
namespace Internal {
namespace Bitmap {
    
void
Shade::applyEffect(Magick::Image* image) {
    image->shade(_azimuth, _elevation, !_colorShading);
    // I don't know why, but I have to invert colorShading here
}
 
void
Shade::refreshParameters(Inkscape::Extension::Effect* module) {
    _azimuth = module->get_param_float("azimuth");
    _elevation = module->get_param_float("elevation");
    _colorShading = module->get_param_bool("colorShading");
}
 
#include "../clear-n_.h"
 
void
Shade::init()
{
    // clang-format off
    Inkscape::Extension::build_from_mem(
        "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
            "<name>" N_("Shade") "</name>\n"
            "<id>org.inkscape.effect.bitmap.shade</id>\n"
            "<param name=\"azimuth\" gui-text=\"" N_("Azimuth:") "\" type=\"float\" min=\"-180\" max=\"180\">30</param>\n"
            "<param name=\"elevation\" gui-text=\"" N_("Elevation:") "\" type=\"float\" min=\"-180\" max=\"180\">30</param>\n"
            "<param name=\"colorShading\" gui-text=\"" N_("Colored Shading") "\" type=\"bool\">false</param>\n"
            "<effect>\n"
                "<object-type>all</object-type>\n"
                "<effects-menu>\n"
                    "<submenu name=\"" N_("Raster") "\" />\n"
                "</effects-menu>\n"
                "<menu-tip>" N_("Shade selected bitmap(s) simulating distant light source") "</menu-tip>\n"
            "</effect>\n"
        "</inkscape-extension>\n", std::make_unique<Shade>());
    // clang-format on
}
 
}; /* namespace Bitmap */
}; /* namespace Internal */
}; /* namespace Extension */
}; /* namespace Inkscape */