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Editor plugin: Image bugfixing

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This commit is contained in:
Jakub Melka 2024-06-15 17:29:13 +02:00
parent aa92fabd79
commit 4d83e5ed5f
1 changed files with 21 additions and 2 deletions
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23
Pdf4QtLibCore/sources/pdfpagecontenteditorcontentstreambuilder.cpp
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@ -21,6 +21,7 @@
#include "pdfstreamfilters.h"
#include "pdfpainterutils.h"
#include <QBuffer>
#include <QStringBuilder>
#include <QXmlStreamReader>
@ -711,7 +712,21 @@ void PDFPageContentEditorContentStreamBuilder::writeImage(QTextStream& stream, c
QImage codedImage = image;
codedImage = codedImage.convertToFormat(QImage::Format_RGB888);
QByteArray decodedStream(reinterpret_cast<const char*>(image.constBits()), image.sizeInBytes());
QByteArray decodedStream;
QBuffer buffer(&decodedStream);
if (buffer.open(QIODevice::WriteOnly))
{
int width = codedImage.width();
int bytesPerLine = codedImage.bytesPerLine();
for (int scanLineIndex = 0; scanLineIndex < codedImage.height(); ++scanLineIndex)
{
const uchar* scanline = codedImage.constScanLine(scanLineIndex);
buffer.write((const char*)scanline, qMin(3 * width, bytesPerLine));
}
buffer.close();
}
// Compress the content stream
QByteArray compressedData = PDFFlateDecodeFilter::compress(decodedStream);
@ -818,7 +833,11 @@ void PDFPageContentEditorContentStreamBuilder::writeImage(const QImage& image,
QTextStream stream(&m_outputContent, QDataStream::WriteOnly | QDataStream::Append);
stream << "q" << Qt::endl;
QTransform imageTransform(rectangle.width(), 0, 0, -rectangle.height(), rectangle.left(), rectangle.bottom());
QSizeF rectangleSize = QSizeF(image.size()).scaled(rectangle.size(), Qt::KeepAspectRatio);
QRectF transformedRectangle(QPointF(), rectangleSize);
transformedRectangle.moveCenter(rectangle.center());
QTransform imageTransform(transformedRectangle.width(), 0, 0, transformedRectangle.height(), transformedRectangle.left(), transformedRectangle.top());
PDFReal m11 = imageTransform.m11();
PDFReal m12 = imageTransform.m12();