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Text selection tool - finishing (without copying text)

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Jakub Melka
2020-01-26 17:06:50 +01:00
parent 95f6135482
commit 12b2f44619
9 changed files with 286 additions and 20 deletions
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52
PdfForQtLib/sources/pdfcompiler.cpp
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@ -355,6 +355,58 @@ PDFTextLayoutGetter PDFAsynchronousTextLayoutCompiler::getTextLayoutLazy(PDFInte
return PDFTextLayoutGetter(nullptr, pageIndex);
}
PDFTextSelection PDFAsynchronousTextLayoutCompiler::getTextSelectionAll(QColor color) const
{
PDFTextSelection result;
if (m_textLayouts)
{
const PDFTextLayoutStorage& textLayouts = *m_textLayouts;
QMutex mutex;
PDFIntegerRange<size_t> pageRange(0, textLayouts.getCount());
auto selectPageText = [this, &mutex, &textLayouts, &result, color](PDFInteger pageIndex)
{
PDFTextLayout textLayout = textLayouts.getTextLayout(pageIndex);
PDFTextSelectionItems items;
const PDFTextBlocks& blocks = textLayout.getTextBlocks();
for (size_t blockId = 0, blockCount = blocks.size(); blockId < blockCount; ++blockId)
{
const PDFTextBlock& block = blocks[blockId];
const PDFTextLines& lines = block.getLines();
if (!lines.empty())
{
const PDFTextLine& lastLine = lines.back();
Q_ASSERT(!lastLine.getCharacters().empty());
PDFCharacterPointer ptrStart;
ptrStart.pageIndex = pageIndex;
ptrStart.blockIndex = blockId;
ptrStart.lineIndex = 0;
ptrStart.characterIndex = 0;
PDFCharacterPointer ptrEnd;
ptrEnd.pageIndex = pageIndex;
ptrEnd.blockIndex = blockId;
ptrEnd.lineIndex = lines.size() - 1;
ptrEnd.characterIndex = lastLine.getCharacters().size() - 1;
items.emplace_back(ptrStart, ptrEnd);
}
}
QMutexLocker lock(&mutex);
result.addItems(qMove(items), color);
};
PDFExecutionPolicy::execute(PDFExecutionPolicy::Scope::Page, pageRange.begin(), pageRange.end(), selectPageText);
}
result.build();
return result;
}
void PDFAsynchronousTextLayoutCompiler::makeTextLayout()
{
if (m_state != State::Active || !m_proxy->getDocument())