78 lines
1.7 KiB
78 lines
1.7 KiB
/*
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* UBSvgSubsetRasterizer.cpp
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*
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* Created on: 23 mars 2010
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* Author: Luc
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*/
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#include "UBSvgSubsetRasterizer.h"
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#include "domain/UBGraphicsScene.h"
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#include "adaptors/UBSvgSubsetAdaptor.h"
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#include "core/memcheck.h"
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UBSvgSubsetRasterizer::UBSvgSubsetRasterizer(UBDocumentProxy* document, int pageIndex, QObject* parent)
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: QObject(parent)
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, mDocument(document)
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, mPageIndex(pageIndex)
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{
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// NOOP
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}
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UBSvgSubsetRasterizer::~UBSvgSubsetRasterizer()
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{
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// NOOP
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}
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bool UBSvgSubsetRasterizer::rasterizeToFile(const QString& filename)
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{
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if (QFile::exists(filename))
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{
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if (!QFile::remove(filename))
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return false;
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}
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UBGraphicsScene* scene = UBSvgSubsetAdaptor::loadScene(mDocument, mPageIndex);
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if (!scene)
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return false;
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QRectF sceneRect = scene->normalizedSceneRect();
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qreal width = sceneRect.width();
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qreal height = sceneRect.height();
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QImage image(width, height, QImage::Format_ARGB32);
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QRectF imageRect(0, 0, width, height);
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QPainter painter(&image);
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painter.setRenderHint(QPainter::Antialiasing, true);
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painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
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if (scene->isDarkBackground())
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{
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painter.fillRect(imageRect, Qt::black);
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}
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else
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{
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painter.fillRect(imageRect, Qt::white);
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}
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scene->setRenderingQuality(UBItem::RenderingQualityHigh);
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scene->setRenderingContext(UBGraphicsScene::NonScreen);
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scene->render(&painter, imageRect, sceneRect, Qt::KeepAspectRatio);
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scene->setRenderingQuality(UBItem::RenderingQualityNormal);
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scene->setRenderingContext(UBGraphicsScene::Screen);
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bool success = image.save(filename, "JPG", 100);
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delete scene;
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return success;
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}
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