mirror of
https://invent.kde.org/graphics/okular
synced 2024-07-16 10:17:04 +00:00
170 lines
4.1 KiB
C++
170 lines
4.1 KiB
C++
/***************************************************************************
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* Copyright (C) 2007 Tobias Koenig <tokoe@kde.org> *
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* *
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* This program 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 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "generator_p.h"
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#include <QDebug>
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#include "fontinfo.h"
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#include "utils.h"
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using namespace Okular;
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PixmapGenerationThread::PixmapGenerationThread(Generator *generator)
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: mGenerator(generator)
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, mRequest(nullptr)
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, mCalcBoundingBox(false)
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{
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}
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void PixmapGenerationThread::startGeneration(PixmapRequest *request, bool calcBoundingBox)
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{
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mRequest = request;
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mCalcBoundingBox = calcBoundingBox;
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start(QThread::InheritPriority);
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}
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void PixmapGenerationThread::endGeneration()
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{
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mRequest = nullptr;
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}
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PixmapRequest *PixmapGenerationThread::request() const
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{
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return mRequest;
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}
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QImage PixmapGenerationThread::image() const
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{
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return mRequest ? PixmapRequestPrivate::get(mRequest)->mResultImage : QImage();
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}
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bool PixmapGenerationThread::calcBoundingBox() const
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{
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return mCalcBoundingBox;
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}
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NormalizedRect PixmapGenerationThread::boundingBox() const
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{
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return mBoundingBox;
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}
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void PixmapGenerationThread::run()
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{
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if (mRequest) {
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PixmapRequestPrivate::get(mRequest)->mResultImage = mGenerator->image(mRequest);
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if (mCalcBoundingBox)
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mBoundingBox = Utils::imageBoundingBox(&PixmapRequestPrivate::get(mRequest)->mResultImage);
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}
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}
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TextPageGenerationThread::TextPageGenerationThread(Generator *generator)
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: mGenerator(generator)
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, mTextPage(nullptr)
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{
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TextRequestPrivate *treqPriv = TextRequestPrivate::get(&mTextRequest);
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treqPriv->mPage = nullptr;
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treqPriv->mShouldAbortExtraction = 0;
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}
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void TextPageGenerationThread::startGeneration()
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{
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if (page()) {
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start(QThread::InheritPriority);
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}
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}
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void TextPageGenerationThread::endGeneration()
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{
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TextRequestPrivate *treqPriv = TextRequestPrivate::get(&mTextRequest);
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treqPriv->mPage = nullptr;
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treqPriv->mShouldAbortExtraction = 0;
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}
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void TextPageGenerationThread::setPage(Page *page)
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{
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TextRequestPrivate *treqPriv = TextRequestPrivate::get(&mTextRequest);
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treqPriv->mPage = page;
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treqPriv->mShouldAbortExtraction = 0;
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}
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Page *TextPageGenerationThread::page() const
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{
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return mTextRequest.page();
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}
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TextPage *TextPageGenerationThread::textPage() const
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{
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return mTextPage;
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}
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void TextPageGenerationThread::abortExtraction()
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{
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// If extraction already finished no point in aborting
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if (!mTextPage) {
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TextRequestPrivate *treqPriv = TextRequestPrivate::get(&mTextRequest);
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treqPriv->mShouldAbortExtraction = 1;
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}
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}
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bool TextPageGenerationThread::shouldAbortExtraction() const
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{
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return mTextRequest.shouldAbortExtraction();
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}
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void TextPageGenerationThread::run()
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{
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mTextPage = nullptr;
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Q_ASSERT(page());
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mTextPage = mGenerator->textPage(&mTextRequest);
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if (mTextRequest.shouldAbortExtraction()) {
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delete mTextPage;
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mTextPage = nullptr;
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}
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}
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FontExtractionThread::FontExtractionThread(Generator *generator, int pages)
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: mGenerator(generator)
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, mNumOfPages(pages)
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, mGoOn(true)
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{
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}
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void FontExtractionThread::startExtraction(bool async)
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{
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if (async) {
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connect(this, &FontExtractionThread::finished, this, &FontExtractionThread::deleteLater);
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start(QThread::InheritPriority);
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} else {
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run();
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deleteLater();
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}
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}
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void FontExtractionThread::stopExtraction()
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{
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mGoOn = false;
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}
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void FontExtractionThread::run()
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{
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for (int i = -1; i < mNumOfPages && mGoOn; ++i) {
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const FontInfo::List list = mGenerator->fontsForPage(i);
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for (const FontInfo &fi : list) {
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emit gotFont(fi);
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}
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emit progress(i);
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}
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}
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