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DocDiff application: create document report, overlay

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This commit is contained in:
Jakub Melka
2021-10-18 16:14:58 +02:00
parent da1efc4ba4
commit 4c12527be0
13 changed files with 257 additions and 29 deletions
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87
Pdf4QtDocDiff/utils.cpp
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@ -16,8 +16,10 @@
// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
#include "utils.h"
#include "pdfutils.h"
#include "pdfwidgetutils.h"
#include "pdfpainterutils.h"
#include "pdfdocumentbuilder.h"
#include <QPainter>
@ -87,7 +89,7 @@ void ComparedDocumentMapper::update(ComparedDocumentMapper::Mode mode,
{
QSizeF pageSize = catalog->getPage(i)->getRotatedMediaBoxMM().size();
QRectF rect(-pageSize.width() * 0.5, yPos, pageSize.width(), pageSize.height());
m_layout.emplace_back(0, i, rect);
m_layout.emplace_back(0, i, -1, rect);
yPos += pageSize.height() + 5;
}
}
@ -102,7 +104,7 @@ void ComparedDocumentMapper::update(ComparedDocumentMapper::Mode mode,
QSizeF pageSize = catalog->getPage(item.leftPage)->getRotatedMediaBoxMM().size();
QRectF rect(-pageSize.width() * 0.5, yPos, pageSize.width(), pageSize.height());
m_layout.emplace_back(0, item.leftPage, rect);
m_layout.emplace_back(0, item.leftPage, -1, rect);
yPos += pageSize.height() + 5;
}
}
@ -126,7 +128,7 @@ void ComparedDocumentMapper::update(ComparedDocumentMapper::Mode mode,
{
QSizeF pageSize = catalog->getPage(i)->getRotatedMediaBoxMM().size();
QRectF rect(-pageSize.width() * 0.5, yPos, pageSize.width(), pageSize.height());
m_layout.emplace_back(0, i, rect);
m_layout.emplace_back(0, i, -1, rect);
yPos += pageSize.height() + 5;
}
}
@ -141,7 +143,7 @@ void ComparedDocumentMapper::update(ComparedDocumentMapper::Mode mode,
QSizeF pageSize = catalog->getPage(item.rightPage)->getRotatedMediaBoxMM().size();
QRectF rect(-pageSize.width() * 0.5, yPos, pageSize.width(), pageSize.height());
m_layout.emplace_back(0, item.rightPage, rect);
m_layout.emplace_back(0, item.rightPage, -1, rect);
yPos += pageSize.height() + 5;
}
}
@ -164,15 +166,20 @@ void ComparedDocumentMapper::update(ComparedDocumentMapper::Mode mode,
{
QSizeF pageSize = catalog->getPage(item.leftPage)->getRotatedMediaBoxMM().size();
QRectF rect;
pdf::PDFInteger groupIndex = -1;
if (mode == ComparedDocumentMapper::Mode::Combined)
{
rect = QRectF(-pageSize.width() - 5, yPos, pageSize.width(), pageSize.height());
}
else
{
if (item.rightPage != -1)
{
groupIndex = 1;
}
rect = QRectF(-pageSize.width() * 0.5, yPos, pageSize.width(), pageSize.height());
}
m_layout.emplace_back(0, item.leftPage, rect);
m_layout.emplace_back(0, item.leftPage, groupIndex, rect);
yAdvance = pageSize.height() + 5;
m_leftPageIndices[item.leftPage] = item.leftPage;
}
@ -182,15 +189,20 @@ void ComparedDocumentMapper::update(ComparedDocumentMapper::Mode mode,
pdf::PDFInteger rightPageIndex = item.rightPage + offset;
QSizeF pageSize = catalog->getPage(rightPageIndex)->getRotatedMediaBoxMM().size();
QRectF rect;
pdf::PDFInteger groupIndex = -1;
if (mode == ComparedDocumentMapper::Mode::Combined)
{
rect = QRectF(5, yPos, pageSize.width(), pageSize.height());
}
else
{
if (item.leftPage != -1)
{
groupIndex = 2;
}
rect = QRectF(-pageSize.width() * 0.5, yPos, pageSize.width(), pageSize.height());
}
m_layout.emplace_back(0, rightPageIndex, rect);
m_layout.emplace_back(0, rightPageIndex, groupIndex, rect);
yAdvance = qMax(yAdvance, pageSize.height() + 5);
m_rightPageIndices[rightPageIndex] = item.rightPage;
}
@ -414,6 +426,69 @@ void DifferencesDrawInterface::drawPostRendering(QPainter* painter, QRect rect)
Q_UNUSED(rect);
}
void DifferencesDrawInterface::drawAnnotations(const pdf::PDFDocument* document,
pdf::PDFDocumentBuilder* builder)
{
pdf::PDFInteger pageCount = document->getCatalog()->getPageCount();
QString title = pdf::PDFSysUtils::getUserName();
QString subject = tr("Difference");
for (pdf::PDFInteger pageIndex = 0; pageIndex < pageCount; ++pageIndex)
{
const size_t differencesCount = m_diffResult->getDifferencesCount();
const pdf::PDFInteger leftPageIndex = m_mapper->getLeftPageIndex(pageIndex);
const pdf::PDFInteger rightPageIndex = m_mapper->getRightPageIndex(pageIndex);
const pdf::PDFPage* page = document->getCatalog()->getPage(pageIndex);
pdf::PDFObjectReference reference = page->getPageReference();
if (leftPageIndex != -1)
{
for (size_t i = 0; i < differencesCount; ++i)
{
auto leftRectangles = m_diffResult->getLeftRectangles(i);
for (auto it = leftRectangles.first; it != leftRectangles.second; ++it)
{
const auto& item = *it;
if (item.first == leftPageIndex)
{
QColor color = getColorForIndex(i);
const QRectF& rect = item.second;
QPolygonF polygon;
polygon << rect.topLeft() << rect.topRight() << rect.bottomRight() << rect.bottomLeft();
pdf::PDFObjectReference annotation = builder->createAnnotationPolygon(reference, polygon, 1.0, color, color, title, subject, m_diffResult->getMessage(i));
builder->setAnnotationOpacity(annotation, 0.3);
builder->updateAnnotationAppearanceStreams(annotation);
}
}
}
}
if (rightPageIndex != -1)
{
for (size_t i = 0; i < differencesCount; ++i)
{
auto rightRectangles = m_diffResult->getRightRectangles(i);
for (auto it = rightRectangles.first; it != rightRectangles.second; ++it)
{
const auto& item = *it;
if (item.first == rightPageIndex)
{
QColor color = getColorForIndex(i);
const QRectF& rect = item.second;
QPolygonF polygon;
polygon << rect.topLeft() << rect.topRight() << rect.bottomRight() << rect.bottomLeft();
pdf::PDFObjectReference annotation = builder->createAnnotationPolygon(reference, polygon, 1.0, color, color, title, subject, m_diffResult->getMessage(i));
builder->setAnnotationOpacity(annotation, 0.3);
builder->updateAnnotationAppearanceStreams(annotation);
}
}
}
}
}
}
void DifferencesDrawInterface::drawRectangle(QPainter* painter,
const QMatrix& pagePointToDevicePointMatrix,
const QRectF& rect,