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DocDiff application: draw differences onto pages

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This commit is contained in:
Jakub Melka
2021-10-14 19:12:56 +02:00
parent bafcc36d3f
commit e838f5130a
7 changed files with 537 additions and 306 deletions
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36
Pdf4QtLib/sources/pdfdiff.cpp
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@@ -1180,6 +1180,42 @@ PDFInteger PDFDiffResult::getRightPage(size_t index) const
return m_differences[index].pageIndex2;
}
std::pair<PDFDiffResult::RectInfosIt, PDFDiffResult::RectInfosIt> PDFDiffResult::getLeftRectangles(size_t index) const
{
if (index >= m_differences.size())
{
return std::make_pair(m_rects.cend(), m_rects.cend());
}
const Difference& difference = m_differences[index];
if (difference.leftRectCount > 0)
{
auto it = std::next(m_rects.cbegin(), difference.leftRectIndex);
auto itEnd = std::next(it, difference.leftRectCount);
return std::make_pair(it, itEnd);
}
return std::make_pair(m_rects.cend(), m_rects.cend());
}
std::pair<PDFDiffResult::RectInfosIt, PDFDiffResult::RectInfosIt> PDFDiffResult::getRightRectangles(size_t index) const
{
if (index >= m_differences.size())
{
return std::make_pair(m_rects.cend(), m_rects.cend());
}
const Difference& difference = m_differences[index];
if (difference.rightRectCount > 0)
{
auto it = std::next(m_rects.cbegin(), difference.rightRectIndex);
auto itEnd = std::next(it, difference.rightRectCount);
return std::make_pair(it, itEnd);
}
return std::make_pair(m_rects.cend(), m_rects.cend());
}
bool PDFDiffResult::isPageMoveDifference(size_t index) const
{
return getTypeFlags(index) & FLAGS_TYPE_PAGE_MOVE;

7
Pdf4QtLib/sources/pdfdiff.h
View File

@@ -68,6 +68,7 @@ public:
using PageSequence = std::vector<PageSequenceItem>;
using RectInfos = std::vector<std::pair<PDFInteger, QRectF>>;
using RectInfosIt = typename RectInfos::const_iterator;
void setResult(PDFOperationResult result) { m_result = std::move(result); }
const PDFOperationResult& getResult() const { return m_result; }
@@ -95,6 +96,12 @@ public:
/// \param index Index
PDFInteger getRightPage(size_t index) const;
/// Returns iterator range for rectangles of "left" pages of an item
std::pair<RectInfosIt, RectInfosIt> getLeftRectangles(size_t index) const;
/// Returns iterator range for rectangles of "right" pages of an item
std::pair<RectInfosIt, RectInfosIt> getRightRectangles(size_t index) const;
bool isPageMoveDifference(size_t index) const;
bool isAddDifference(size_t index) const;
bool isRemoveDifference(size_t index) const;