mirror of
https://github.com/fralx/LimeReport.git
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429 lines
13 KiB
C++
429 lines
13 KiB
C++
/***************************************************************************
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* This file is part of the Lime Report project *
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* Copyright (C) 2021 by Alexander Arin *
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* arin_a@bk.ru *
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* *
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** GNU General Public License Usage **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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** GNU Lesser General Public License **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library. *
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* If not, see <http://www.gnu.org/licenses/>. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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****************************************************************************/
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#include "lrimageitem.h"
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#include "lrdatasourcemanager.h"
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#include "lrdesignelementsfactory.h"
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#include "lrglobal.h"
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#include "lrimageitemeditor.h"
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#include "lrpagedesignintf.h"
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namespace {
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const QString xmlTag = "ImageItem";
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LimeReport::BaseDesignIntf* createImageItem(QObject* owner, LimeReport::BaseDesignIntf* parent)
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{
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return new LimeReport::ImageItem(owner, parent);
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}
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bool VARIABLE_IS_NOT_USED registred = LimeReport::DesignElementsFactory::instance().registerCreator(
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xmlTag, LimeReport::ItemAttribs(QObject::tr("Image Item"), "Item"), createImageItem);
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} // namespace
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namespace LimeReport {
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ImageItem::ImageItem(QObject* owner, QGraphicsItem* parent):
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ItemDesignIntf(xmlTag, owner, parent),
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m_useExternalPainter(false),
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m_externalPainter(0),
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m_autoSize(false),
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m_scale(true),
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m_keepAspectRatio(true),
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m_center(true),
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m_format(Binary)
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{
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}
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BaseDesignIntf* ImageItem::createSameTypeItem(QObject* owner, QGraphicsItem* parent)
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{
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ImageItem* result = new ImageItem(owner, parent);
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result->setExternalPainter(m_externalPainter);
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return result;
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}
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void ImageItem::loadPictureFromVariant(QVariant& data)
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{
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// TODO: Migrate to QMetaType
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if (data.isValid()) {
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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if (data.typeId() == QMetaType::QImage) {
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#else
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if (data.type() == QVariant::Image) {
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#endif
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m_picture = data.value<QImage>();
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} else {
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switch (m_format) {
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default:
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case Binary:
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m_picture.loadFromData(data.toByteArray());
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break;
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case Hex:
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m_picture.loadFromData(QByteArray::fromHex(data.toByteArray()));
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break;
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case Base64:
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m_picture.loadFromData(QByteArray::fromBase64(data.toByteArray()));
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break;
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}
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}
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}
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}
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void ImageItem::preparePopUpMenu(QMenu& menu)
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{
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QAction* editAction = menu.addAction(QIcon(":/report/images/edit_pecil2.png"), tr("Edit"));
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menu.insertAction(menu.actions().at(0), editAction);
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menu.insertSeparator(menu.actions().at(1));
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menu.addSeparator();
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QAction* action = menu.addAction(tr("Watermark"));
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action->setCheckable(true);
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action->setChecked(isWatermark());
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}
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void ImageItem::processPopUpAction(QAction* action)
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{
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if (action->text().compare(tr("Watermark")) == 0) {
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page()->setPropertyToSelectedItems("watermark", action->isChecked());
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}
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if (action->text().compare(tr("Edit")) == 0) {
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this->showEditorDialog();
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}
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ItemDesignIntf::processPopUpAction(action);
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}
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QImage getFileByResourcePath(QString resourcePath)
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{
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QFileInfo resourceFile(resourcePath);
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if (resourceFile.exists())
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return QImage(resourcePath);
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return QImage();
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}
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QImage ImageItem::drawImage() const
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{
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if (image().isNull())
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return getFileByResourcePath(m_resourcePath);
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return image();
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}
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bool ImageItem::useExternalPainter() const { return m_useExternalPainter; }
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void ImageItem::setUseExternalPainter(bool value)
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{
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if (m_useExternalPainter != value) {
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m_useExternalPainter = value;
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notify("useExternalPainter", !value, value);
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update();
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}
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}
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QWidget* ImageItem::defaultEditor()
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{
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ImageItemEditor* editor = new ImageItemEditor(this);
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editor->setAttribute(Qt::WA_DeleteOnClose);
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return editor;
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}
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QByteArray ImageItem::imageAsByteArray() const
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{
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QByteArray result;
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QBuffer buffer(&result);
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buffer.open(QIODevice::WriteOnly);
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m_picture.save(&buffer, "PNG");
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return result;
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}
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void ImageItem::setImageAsByteArray(QByteArray image)
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{
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QImage value;
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value.loadFromData(image);
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setImage(value);
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}
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QString ImageItem::fileFilter() const
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{
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return tr("Images (*.gif *.icns *.ico *.jpeg *.tga *.tiff *.wbmp *.webp *.png *.jpg "
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"*.bmp);;All(*.*)");
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}
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void ImageItem::updateItemSize(DataSourceManager* dataManager, RenderPass pass, int maxHeight)
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{
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if (m_picture.isNull()) {
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if (!m_datasource.isEmpty() && !m_field.isEmpty()) {
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IDataSource* ds = dataManager->dataSource(m_datasource);
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if (ds) {
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QVariant data = ds->data(m_field);
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loadPictureFromVariant(data);
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}
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} else if (!m_resourcePath.isEmpty()) {
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m_resourcePath
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= expandUserVariables(m_resourcePath, pass, NoEscapeSymbols, dataManager);
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m_resourcePath = expandDataFields(m_resourcePath, NoEscapeSymbols, dataManager);
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m_picture = QImage(m_resourcePath);
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} else if (!m_variable.isEmpty()) {
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// TODO: Migrate to QMetaType
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QVariant data = dataManager->variable(m_variable);
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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if (data.typeId() == QMetaType::QString) {
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#else
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if (data.type() == QVariant::String) {
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#endif
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m_picture = QImage(data.toString());
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} else {
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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if (data.typeId() == QMetaType::QImage) {
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#else
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if (data.type() == QVariant::Image) {
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#endif
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loadPictureFromVariant(data);
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}
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}
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}
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}
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if (m_autoSize) {
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setWidth(m_picture.width());
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setHeight(m_picture.height());
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}
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BaseDesignIntf::updateItemSize(dataManager, pass, maxHeight);
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}
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bool ImageItem::isNeedUpdateSize(RenderPass) const { return m_picture.isNull() || m_autoSize; }
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QString ImageItem::resourcePath() const { return m_resourcePath; }
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qreal ImageItem::minHeight() const
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{
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if (!m_picture.isNull() && autoSize()) {
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return m_picture.height();
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} else {
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return 0;
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}
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}
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void ImageItem::setVariable(const QString& content)
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{
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if (m_variable != content) {
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QString oldValue = m_variable;
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m_variable = content;
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update();
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notify("variable", oldValue, m_variable);
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}
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}
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bool ImageItem::center() const { return m_center; }
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void ImageItem::setCenter(bool center)
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{
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if (m_center != center) {
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m_center = center;
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update();
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notify("center", !center, center);
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}
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}
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bool ImageItem::keepAspectRatio() const { return m_keepAspectRatio; }
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void ImageItem::setKeepAspectRatio(bool keepAspectRatio)
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{
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if (m_keepAspectRatio != keepAspectRatio) {
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m_keepAspectRatio = keepAspectRatio;
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update();
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notify("keepAspectRatio", !keepAspectRatio, keepAspectRatio);
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}
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}
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bool ImageItem::scale() const { return m_scale; }
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void ImageItem::setScale(bool scale)
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{
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if (m_scale != scale) {
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m_scale = scale;
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update();
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notify("scale", !scale, scale);
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}
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}
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bool ImageItem::autoSize() const { return m_autoSize; }
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void ImageItem::setAutoSize(bool autoSize)
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{
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if (m_autoSize != autoSize) {
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m_autoSize = autoSize;
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if (m_autoSize && !m_picture.isNull()) {
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setWidth(drawImage().width());
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setHeight(drawImage().height());
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setPossibleResizeDirectionFlags(Fixed);
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} else {
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setPossibleResizeDirectionFlags(AllDirections);
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}
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update();
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notify("autoSize", !autoSize, autoSize);
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}
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}
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QString ImageItem::field() const { return m_field; }
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void ImageItem::setField(const QString& field)
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{
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if (m_field != field) {
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QString oldValue = m_field;
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m_field = field;
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update();
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notify("field", oldValue, field);
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}
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}
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QString ImageItem::datasource() const { return m_datasource; }
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void ImageItem::setDatasource(const QString& datasource)
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{
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if (m_datasource != datasource) {
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QString oldValue = m_datasource;
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m_datasource = datasource;
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update();
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notify("datasource", oldValue, datasource);
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}
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}
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void ImageItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
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{
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painter->save();
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if (isSelected())
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painter->setOpacity(Const::SELECTION_OPACITY);
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else
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painter->setOpacity(qreal(opacity()) / 100);
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QPointF point = rect().topLeft();
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QImage img;
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if (m_scale && !drawImage().isNull()) {
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img = drawImage().scaled(rect().width(), rect().height(),
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keepAspectRatio() ? Qt::KeepAspectRatio : Qt::IgnoreAspectRatio,
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Qt::SmoothTransformation);
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} else {
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img = drawImage();
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}
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qreal shiftHeight = rect().height() - img.height();
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qreal shiftWidth = rect().width() - img.width();
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if (m_center) {
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if (shiftHeight < 0 || shiftWidth < 0) {
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qreal cutX = 0;
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qreal cutY = 0;
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qreal cutWidth = img.width();
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qreal cutHeigth = img.height();
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if (shiftWidth > 0) {
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point.setX(point.x() + shiftWidth / 2);
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} else {
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cutX = fabs(shiftWidth / 2);
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cutWidth += shiftWidth;
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}
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if (shiftHeight > 0) {
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point.setY(point.y() + shiftHeight / 2);
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} else {
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cutY = fabs(shiftHeight / 2);
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cutHeigth += shiftHeight;
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}
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img = img.copy(cutX, cutY, cutWidth, cutHeigth);
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} else {
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point.setX(point.x() + shiftWidth / 2);
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point.setY(point.y() + shiftHeight / 2);
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}
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}
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if (img.isNull() && itemMode() == DesignMode) {
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QString text;
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painter->setFont(transformToSceneFont(QFont("Arial", 10)));
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painter->setPen(Qt::black);
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if (!datasource().isEmpty() && !field().isEmpty())
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text = datasource() + "." + field();
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else if (m_useExternalPainter)
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text = tr("Ext.");
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else
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text = tr("Image");
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painter->drawText(rect().adjusted(4, 4, -4, -4), Qt::AlignCenter, text);
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} else {
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if (m_externalPainter && m_useExternalPainter)
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m_externalPainter->paintByExternalPainter(this->patternName(), painter, option);
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else
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painter->drawImage(point, img);
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}
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ItemDesignIntf::paint(painter, option, widget);
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painter->restore();
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}
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void ImageItem::setImage(QImage value)
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{
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if (m_picture != value) {
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QImage oldValue = m_picture;
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m_picture = value;
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if (m_autoSize) {
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setWidth(m_picture.width());
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setHeight(m_picture.height());
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}
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update();
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notify("image", oldValue, value);
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}
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}
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QImage ImageItem::image() const { return m_picture; }
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void ImageItem::setResourcePath(const QString& value)
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{
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if (m_resourcePath != value) {
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QString oldValue = m_resourcePath;
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m_resourcePath = value;
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update();
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notify("resourcePath", oldValue, value);
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}
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}
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ImageItem::Format ImageItem::format() const { return m_format; }
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void ImageItem::setFormat(Format format)
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{
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if (m_format != format) {
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Format oldValue = m_format;
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m_format = format;
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update();
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notify("format", oldValue, format);
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}
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}
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} // namespace LimeReport
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bool LimeReport::ImageItem::isEmpty() const { return drawImage().isNull(); }
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