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/*
* This program 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.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "UBSvgSubsetRasterizer.h"
#include "domain/UBGraphicsScene.h"
#include "adaptors/UBSvgSubsetAdaptor.h"
#include "core/memcheck.h"
UBSvgSubsetRasterizer::UBSvgSubsetRasterizer(UBDocumentProxy* document, int pageIndex, QObject* parent)
: QObject(parent)
, mDocument(document)
, mPageIndex(pageIndex)
{
// NOOP
}
UBSvgSubsetRasterizer::~UBSvgSubsetRasterizer()
{
// NOOP
}
bool UBSvgSubsetRasterizer::rasterizeToFile(const QString& filename)
{
if (QFile::exists(filename))
{
if (!QFile::remove(filename))
return false;
}
UBGraphicsScene* scene = UBSvgSubsetAdaptor::loadScene(mDocument, mPageIndex);
if (!scene)
return false;
QRectF sceneRect = scene->normalizedSceneRect();
qreal width = sceneRect.width();
qreal height = sceneRect.height();
QImage image(width, height, QImage::Format_ARGB32);
QRectF imageRect(0, 0, width, height);
QPainter painter(&image);
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
if (scene->isDarkBackground())
{
painter.fillRect(imageRect, Qt::black);
}
else
{
painter.fillRect(imageRect, Qt::white);
}
scene->setRenderingQuality(UBItem::RenderingQualityHigh);
scene->setRenderingContext(UBGraphicsScene::NonScreen);
scene->render(&painter, imageRect, sceneRect, Qt::KeepAspectRatio);
scene->setRenderingQuality(UBItem::RenderingQualityNormal);
scene->setRenderingContext(UBGraphicsScene::Screen);
bool success = image.save(filename, "JPG", 100);
delete scene;
return success;
}