okular/core/generator_p.cpp
Albert Astals Cid ba35bbd9e6 emit -> Q_EMIT
A future ECM is going to force that on us, so do it early
2022-03-19 10:58:47 +00:00

167 lines
3.6 KiB
C++

/*
SPDX-FileCopyrightText: 2007 Tobias Koenig <tokoe@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "generator_p.h"
#include <QDebug>
#include "fontinfo.h"
#include "utils.h"
using namespace Okular;
PixmapGenerationThread::PixmapGenerationThread(Generator *generator)
: mGenerator(generator)
, mRequest(nullptr)
, mCalcBoundingBox(false)
{
}
void PixmapGenerationThread::startGeneration(PixmapRequest *request, bool calcBoundingBox)
{
mRequest = request;
mCalcBoundingBox = calcBoundingBox;
start(QThread::InheritPriority);
}
void PixmapGenerationThread::endGeneration()
{
mRequest = nullptr;
}
PixmapRequest *PixmapGenerationThread::request() const
{
return mRequest;
}
QImage PixmapGenerationThread::image() const
{
return mRequest ? PixmapRequestPrivate::get(mRequest)->mResultImage : QImage();
}
bool PixmapGenerationThread::calcBoundingBox() const
{
return mCalcBoundingBox;
}
NormalizedRect PixmapGenerationThread::boundingBox() const
{
return mBoundingBox;
}
void PixmapGenerationThread::run()
{
if (mRequest) {
PixmapRequestPrivate::get(mRequest)->mResultImage = mGenerator->image(mRequest);
if (mCalcBoundingBox) {
mBoundingBox = Utils::imageBoundingBox(&PixmapRequestPrivate::get(mRequest)->mResultImage);
}
}
}
TextPageGenerationThread::TextPageGenerationThread(Generator *generator)
: mGenerator(generator)
, mTextPage(nullptr)
{
TextRequestPrivate *treqPriv = TextRequestPrivate::get(&mTextRequest);
treqPriv->mPage = nullptr;
treqPriv->mShouldAbortExtraction = 0;
}
void TextPageGenerationThread::startGeneration()
{
if (page()) {
start(QThread::InheritPriority);
}
}
void TextPageGenerationThread::endGeneration()
{
TextRequestPrivate *treqPriv = TextRequestPrivate::get(&mTextRequest);
treqPriv->mPage = nullptr;
treqPriv->mShouldAbortExtraction = 0;
}
void TextPageGenerationThread::setPage(Page *page)
{
TextRequestPrivate *treqPriv = TextRequestPrivate::get(&mTextRequest);
treqPriv->mPage = page;
treqPriv->mShouldAbortExtraction = 0;
}
Page *TextPageGenerationThread::page() const
{
return mTextRequest.page();
}
TextPage *TextPageGenerationThread::textPage() const
{
return mTextPage;
}
void TextPageGenerationThread::abortExtraction()
{
// If extraction already finished no point in aborting
if (!mTextPage) {
TextRequestPrivate *treqPriv = TextRequestPrivate::get(&mTextRequest);
treqPriv->mShouldAbortExtraction = 1;
}
}
bool TextPageGenerationThread::shouldAbortExtraction() const
{
return mTextRequest.shouldAbortExtraction();
}
void TextPageGenerationThread::run()
{
mTextPage = nullptr;
Q_ASSERT(page());
mTextPage = mGenerator->textPage(&mTextRequest);
if (mTextRequest.shouldAbortExtraction()) {
delete mTextPage;
mTextPage = nullptr;
}
}
FontExtractionThread::FontExtractionThread(Generator *generator, int pages)
: mGenerator(generator)
, mNumOfPages(pages)
, mGoOn(true)
{
}
void FontExtractionThread::startExtraction(bool async)
{
if (async) {
connect(this, &FontExtractionThread::finished, this, &FontExtractionThread::deleteLater);
start(QThread::InheritPriority);
} else {
run();
deleteLater();
}
}
void FontExtractionThread::stopExtraction()
{
mGoOn = false;
}
void FontExtractionThread::run()
{
for (int i = -1; i < mNumOfPages && mGoOn; ++i) {
const FontInfo::List list = mGenerator->fontsForPage(i);
for (const FontInfo &fi : list) {
Q_EMIT gotFont(fi);
}
Q_EMIT progress(i);
}
}