/***************************************************************************
* This file is part of the Lime Report project *
* Copyright (C) 2015 by Alexander Arin *
* arin_a@bk.ru *
* *
** GNU General Public License Usage **
* *
* This library is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
** GNU Lesser General Public License **
* *
* This library is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library. *
* If not, see <http://www.gnu.org/licenses/>. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
****************************************************************************/
#include "lrimageitem.h"
#include "lrdesignelementsfactory.h"
#include "lrglobal.h"
#include "lrdatasourcemanager.h"
#include "lrpagedesignintf.h"
namespace{
const QString xmlTag = "ImageItem";
LimeReport::BaseDesignIntf * createImageItem(QObject* owner, LimeReport::BaseDesignIntf* parent){
return new LimeReport::ImageItem(owner,parent);
}
bool VARIABLE_IS_NOT_USED registred = LimeReport::DesignElementsFactory::instance().registerCreator(
xmlTag, LimeReport::ItemAttribs(QObject::tr("Image Item"),"Item"), createImageItem
);
}
namespace LimeReport{
ImageItem::ImageItem(QObject* owner,QGraphicsItem* parent)
:ItemDesignIntf(xmlTag,owner,parent),m_autoSize(false), m_scale(true), m_keepAspectRatio(true), m_center(true), m_format(Binary){}
BaseDesignIntf *ImageItem::createSameTypeItem(QObject *owner, QGraphicsItem *parent)
{
return new ImageItem(owner,parent);
}
void ImageItem::loadPictureFromVariant(QVariant& data){
if (data.isValid()){
if (data.type()==QVariant::Image){
m_picture = data.value<QImage>();
} else {
switch (m_format) {
default:
case Binary:
m_picture.loadFromData(data.toByteArray());
break;
case Hex:
m_picture.loadFromData(QByteArray::fromHex(data.toByteArray()));
break;
case Base64:
m_picture.loadFromData(QByteArray::fromBase64(data.toByteArray()));
break;
}
}
}
}
void ImageItem::preparePopUpMenu(QMenu &menu)
{
QAction* action = menu.addAction(tr("Watermark"));
action->setCheckable(true);
action->setChecked(isWatermark());
}
void ImageItem::processPopUpAction(QAction *action)
{
if (action->text().compare(tr("Watermark")) == 0){
page()->setPropertyToSelectedItems("watermark",action->isChecked());
}
}
void ImageItem::updateItemSize(DataSourceManager* dataManager, RenderPass pass, int maxHeight)
{
if (m_picture.isNull()){
if (!m_datasource.isEmpty() && !m_field.isEmpty()){
IDataSource* ds = dataManager->dataSource(m_datasource);
if (ds) {
QVariant data = ds->data(m_field);
loadPictureFromVariant(data);
}
} else if (!m_resourcePath.isEmpty()){
m_picture = QImage(m_resourcePath);
} else if (!m_variable.isEmpty()){
QVariant data = dataManager->variable(m_variable);
loadPictureFromVariant(data);
}
}
if (m_autoSize){
setWidth(m_picture.width());
setHeight(m_picture.height());
}
BaseDesignIntf::updateItemSize(dataManager, pass, maxHeight);
}
bool ImageItem::isNeedUpdateSize(RenderPass) const
{
return m_picture.isNull() || m_autoSize;
}
QString ImageItem::resourcePath() const
{
return m_resourcePath;
}
qreal ImageItem::minHeight() const{
if (!m_picture.isNull() && autoSize())
{
return m_picture.height();
} else {
return 0;
}
}
void ImageItem::setVariable(const QString& content)
{
if (m_variable!=content){
QString oldValue = m_variable;
m_variable=content;
update();
notify("content", oldValue, m_variable);
}
}
bool ImageItem::center() const
{
return m_center;
}
void ImageItem::setCenter(bool center)
{
if (m_center != center){
m_center = center;
update();
notify("center",!center,center);
}
}
bool ImageItem::keepAspectRatio() const
{
return m_keepAspectRatio;
}
void ImageItem::setKeepAspectRatio(bool keepAspectRatio)
{
if (m_keepAspectRatio != keepAspectRatio){
m_keepAspectRatio = keepAspectRatio;
update();
notify("keepAspectRatio",!keepAspectRatio,keepAspectRatio);
}
}
bool ImageItem::scale() const
{
return m_scale;
}
void ImageItem::setScale(bool scale)
{
if (m_scale != scale){
m_scale = scale;
update();
notify("scale",!scale,scale);
}
}
bool ImageItem::autoSize() const
{
return m_autoSize;
}
void ImageItem::setAutoSize(bool autoSize)
{
if (m_autoSize != autoSize){
m_autoSize = autoSize;
if (m_autoSize && !m_picture.isNull()){
setWidth(image().width());
setHeight(image().height());
setPossibleResizeDirectionFlags(Fixed);
} else {
setPossibleResizeDirectionFlags(AllDirections);
}
update();
notify("autoSize",!autoSize,autoSize);
}
}
QString ImageItem::field() const
{
return m_field;
}
void ImageItem::setField(const QString &field)
{
if (m_field != field){
QString oldValue = m_field;
m_field = field;
update();
notify("field",oldValue,field);
}
}
QString ImageItem::datasource() const
{
return m_datasource;
}
void ImageItem::setDatasource(const QString &datasource)
{
if (m_datasource != datasource){
QString oldValue = m_datasource;
m_datasource = datasource;
update();
notify("datasource",oldValue,datasource);
}
}
void ImageItem::paint(QPainter *ppainter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
ppainter->save();
if (isSelected()) ppainter->setOpacity(Const::SELECTION_OPACITY);
else ppainter->setOpacity(qreal(opacity())/100);
QPointF point = rect().topLeft();
QImage img;
if (m_scale && !image().isNull()){
img = image().scaled(rect().width(), rect().height(), keepAspectRatio() ? Qt::KeepAspectRatio : Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
} else {
img = image();
}
qreal shiftHeight = rect().height() - img.height();
qreal shiftWidth = rect().width() - img.width();
if (m_center){
if (shiftHeight<0 || shiftWidth<0){
qreal cutX = 0;
qreal cutY = 0;
qreal cutWidth = img.width();
qreal cutHeigth = img.height();
if (shiftWidth > 0){
point.setX(point.x()+shiftWidth/2);
} else {
cutX = fabs(shiftWidth/2);
cutWidth += shiftWidth;
}
if (shiftHeight > 0){
point.setY(point.x()+shiftHeight/2);
} else {
cutY = fabs(shiftHeight/2);
cutHeigth += shiftHeight;
}
img = img.copy(cutX,cutY,cutWidth,cutHeigth);
} else {
point.setX(point.x()+shiftWidth/2);
point.setY(point.y()+shiftHeight/2);
}
}
if (img.isNull() && itemMode()==DesignMode){
QString text;
ppainter->setFont(transformToSceneFont(QFont("Arial",10)));
ppainter->setPen(Qt::black);
if (!datasource().isEmpty() && !field().isEmpty())
text = datasource()+"."+field();
else text = tr("Image");
ppainter->drawText(rect().adjusted(4,4,-4,-4), Qt::AlignCenter, text );
} else {
ppainter->drawImage(point,img);
}
ItemDesignIntf::paint(ppainter,option,widget);
ppainter->restore();
}
void ImageItem::setImage(QImage value)
{
if (m_picture!=value){
QImage oldValue = m_picture;
m_picture=value;
if (m_autoSize){
setWidth(m_picture.width());
setHeight(m_picture.height());
}
update();
notify("image",oldValue,value);
}
}
ImageItem::Format ImageItem::format() const
{
return m_format;
}
void ImageItem::setFormat(Format format)
{
if (m_format!=format){
Format oldValue = m_format;
m_format=format;
update();
notify("format",oldValue,format);
}
}
}