File indexing completed on 2024-12-22 04:15:31

0001 /*
0002  * KDE. Krita Project.
0003  *
0004  * SPDX-FileCopyrightText: 2020 Deif Lou <ginoba@gmail.com>
0005  * SPDX-FileCopyrightText: 2021 L. E. Segovia <amy@amyspark.me>
0006  *
0007  * SPDX-License-Identifier: GPL-2.0-or-later
0008  */
0009 
0010 #include <kpluginfactory.h>
0011 #include <KoUpdater.h>
0012 #include <kis_processing_information.h>
0013 #include <filter/kis_filter_configuration.h>
0014 #include <kis_gradient_painter.h>
0015 #include "KoCompositeOpRegistry.h"
0016 
0017 #include "KisGradientGenerator.h"
0018 #include "KisGradientGeneratorConfigWidget.h"
0019 
0020 KisGradientGenerator::KisGradientGenerator() : KisGenerator(id(), KoID("basic"), i18n("&Gradient..."))
0021 {
0022     setSupportsPainting(true);
0023 }
0024 
0025 void KisGradientGenerator::generate(KisProcessingInformation dst,
0026                                     const QSize &size,
0027                                     const KisFilterConfigurationSP config,
0028                                     KoUpdater *progressUpdater) const
0029 {
0030     KisPaintDeviceSP device = dst.paintDevice();
0031     Q_ASSERT(!device.isNull());
0032 
0033     KIS_SAFE_ASSERT_RECOVER_RETURN(config);
0034     const KisGradientGeneratorConfiguration *generatorConfiguration =
0035         dynamic_cast<const KisGradientGeneratorConfiguration*>(config.data());
0036     KIS_SAFE_ASSERT_RECOVER_RETURN(generatorConfiguration);
0037 
0038 
0039     QSize imageSize = device->defaultBounds()->imageBorderRect().size();
0040     QPair<QPointF, QPointF> positions =
0041         generatorConfiguration->absoluteCartesianPositionsInPixels(imageSize.width(), imageSize.height());
0042 
0043     KisGradientPainter painter(device);
0044     painter.setCompositeOpId(COMPOSITE_COPY);
0045     painter.setProgress(progressUpdater);
0046     painter.setGradientShape(generatorConfiguration->shape());
0047     painter.setGradient(generatorConfiguration->gradient());
0048     painter.paintGradient(
0049         positions.first,
0050         positions.second,
0051         generatorConfiguration->repeat(),
0052         generatorConfiguration->antiAliasThreshold(),
0053         generatorConfiguration->reverse(),
0054         QRect(dst.topLeft(), size),
0055         generatorConfiguration->dither()
0056     );
0057 }
0058 
0059 KisFilterConfigurationSP KisGradientGenerator::factoryConfiguration(KisResourcesInterfaceSP resourcesInterface) const
0060 {
0061     return new KisGradientGeneratorConfiguration(resourcesInterface);
0062 }
0063 
0064 KisFilterConfigurationSP KisGradientGenerator::defaultConfiguration(KisResourcesInterfaceSP resourcesInterface) const
0065 {
0066     KisGradientGeneratorConfiguration *config = new KisGradientGeneratorConfiguration(resourcesInterface);
0067     config->setDefaults();
0068     return config;
0069 }
0070 
0071 KisConfigWidget* KisGradientGenerator::createConfigurationWidget(QWidget* parent, const KisPaintDeviceSP dev, bool) const
0072 {
0073     Q_UNUSED(dev);
0074     return new KisGradientGeneratorConfigWidget(parent);
0075 }