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Bugfixing of text layout

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Jakub Melka
2019-12-29 17:25:18 +01:00
parent 0c97e21f54
commit afbf37d068
9 changed files with 125 additions and 8 deletions
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50
PdfForQtLib/sources/pdfdrawspacecontroller.cpp
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@ -25,6 +25,7 @@
#include "pdfcms.h"
#include <QPainter>
#include <QFontMetrics>
namespace pdf
{
@ -622,6 +623,55 @@ void PDFDrawWidgetProxy::draw(QPainter* painter, QRect rect)
QMatrix matrix = PDFRenderer::createPagePointToDevicePointMatrix(page, placedRect);
compiledPage->draw(painter, page->getCropBox(), matrix, m_features);
// Draw text blocks/text lines, if it is enabled
if (m_features.testFlag(PDFRenderer::DebugTextBlocks))
{
const PDFTextLayout& layout = compiledPage->getTextLayout();
const PDFTextBlocks& textBlocks = layout.getTextBlocks();
painter->save();
painter->setFont(m_widget->font());
painter->setPen(Qt::red);
painter->setBrush(QColor(255, 0, 0, 128));
QFontMetricsF fontMetrics(painter->font(), painter->device());
int blockIndex = 1;
for (const PDFTextBlock& block : textBlocks)
{
QString blockNumber = QString::number(blockIndex++);
painter->drawPath(matrix.map(block.getBoundingBox()));
painter->drawText(matrix.map(block.getTopLeft()) - QPointF(fontMetrics.width(blockNumber), 0), blockNumber, Qt::TextSingleLine, 0);
}
painter->restore();
}
if (m_features.testFlag(PDFRenderer::DebugTextLines))
{
const PDFTextLayout& layout = compiledPage->getTextLayout();
const PDFTextBlocks& textBlocks = layout.getTextBlocks();
painter->save();
painter->setFont(m_widget->font());
painter->setPen(Qt::green);
painter->setBrush(QColor(0, 255, 0, 128));
QFontMetricsF fontMetrics(painter->font(), painter->device());
int lineIndex = 1;
for (const PDFTextBlock& block : textBlocks)
{
for (const PDFTextLine& line : block.getLines())
{
QString lineNumber = QString::number(lineIndex++);
painter->drawPath(matrix.map(line.getBoundingBox()));
painter->drawText(matrix.map(line.getTopLeft()) - QPointF(fontMetrics.width(lineNumber), 0), lineNumber, Qt::TextSingleLine, 0);
}
}
painter->restore();
}
const qint64 drawTimeNS = timer.nsecsElapsed();
// Draw rendering times