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Redact writer

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This commit is contained in:
Svetlana Kulikova
2025-09-25 17:48:08 +03:00
parent 1aa17ba09e
commit a7b0b0a938
8 changed files with 331 additions and 117 deletions
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145
PdfFile/PdfWriter.cpp
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@ -1079,6 +1079,23 @@ HRESULT CPdfWriter::DrawImage(IGrObject* pImage, const double& dX, const double&
if (!IsPageValid() || !pImage)
return S_OK;
if (!m_arrRedact.empty())
{
double dXmin = MM_2_PT(dX), dYmin = MM_2_PT(m_dPageHeight - dY - dH), dXmax = MM_2_PT(dX + dW), dYmax = MM_2_PT(m_dPageHeight - dY);
m_oTransform.Transform(dXmin, dYmin, &dXmin, &dYmin);
m_oTransform.Transform(dXmax, dYmax, &dXmax, &dYmax);
for (int i = 0; i < m_arrRedact.size(); i += 4)
{
double xMin = m_arrRedact[i + 0];
double yMin = m_arrRedact[i + 1];
double xMax = m_arrRedact[i + 2];
double yMax = m_arrRedact[i + 3];
if (!(dXmax < xMin || dXmin > xMax || dYmax < yMin || dYmin > yMax))
return S_OK;
}
}
if (!DrawImage((Aggplus::CImage*)pImage, dX, dY, dW, dH, 255))
return S_FALSE;
@ -1091,6 +1108,23 @@ HRESULT CPdfWriter::DrawImageFromFile(NSFonts::IApplicationFonts* pAppFonts, con
if (!IsPageValid())
return S_OK;
if (!m_arrRedact.empty())
{
double dXmin = MM_2_PT(dX), dYmin = MM_2_PT(m_dPageHeight - dY - dH), dXmax = MM_2_PT(dX + dW), dYmax = MM_2_PT(m_dPageHeight - dY);
m_oTransform.Transform(dXmin, dYmin, &dXmin, &dYmin);
m_oTransform.Transform(dXmax, dYmax, &dXmax, &dYmax);
for (int i = 0; i < m_arrRedact.size(); i += 4)
{
double xMin = m_arrRedact[i + 0];
double yMin = m_arrRedact[i + 1];
double xMax = m_arrRedact[i + 2];
double yMax = m_arrRedact[i + 3];
if (!(dXmax < xMin || dXmin > xMax || dYmax < yMin || dYmin > yMax))
return S_OK;
}
}
if (m_pDocument->HasImage(wsImagePathSrc, nAlpha))
{
PdfWriter::CImageDict* pPdfImage = m_pDocument->GetImage(wsImagePathSrc, nAlpha);
@ -2616,6 +2650,30 @@ HRESULT CPdfWriter::AddMetaData(const std::wstring& sMetaName, BYTE* pMetaData,
{
return m_pDocument->AddMetaData(sMetaName, pMetaData, nMetaLength) ? S_OK : S_FALSE;
}
HRESULT CPdfWriter::AddRedact(const std::vector<double>& arrRedact)
{
m_arrRedact.clear();
m_arrRedact = arrRedact;
PdfWriter::CArrayObject* pPageBox = (PdfWriter::CArrayObject*)m_pPage->Get("CropBox");
if (!pPageBox)
pPageBox = (PdfWriter::CArrayObject*)m_pPage->Get("MediaBox");
PdfWriter::CObjectBase* pD = pPageBox->Get(3);
double dPageH = pD->GetType() == PdfWriter::object_type_NUMBER ? ((PdfWriter::CNumberObject*)pD)->Get() : ((PdfWriter::CRealObject*)pD)->Get();
pD = pPageBox->Get(0);
double dPageX = pD->GetType() == PdfWriter::object_type_NUMBER ? ((PdfWriter::CNumberObject*)pD)->Get() : ((PdfWriter::CRealObject*)pD)->Get();
for (int i = 0; i < m_arrRedact.size(); i += 4)
{
m_arrRedact[i * 4 + 0] += dPageX;
double dQ = m_arrRedact[i * 4 + 1];
m_arrRedact[i * 4 + 1] = dPageH - m_arrRedact[i * 4 + 3];
m_arrRedact[i * 4 + 2] += dPageX;
m_arrRedact[i * 4 + 3] = dPageH - dQ;
}
return S_OK;
}
void CreateOutlines(PdfWriter::CDocument* m_pDocument, const std::vector<CHeadings::CHeading*>& arrHeadings, PdfWriter::COutline* pParent)
{
for (int i = 0; i < arrHeadings.size(); ++i)
@ -2650,6 +2708,23 @@ HRESULT CPdfWriter::DrawImage1bpp(NSImages::CPixJbig2* pImageBuffer, const unsig
if (!IsPageValid() || !pImageBuffer)
return S_OK;
if (!m_arrRedact.empty())
{
double dXmin = MM_2_PT(dX), dYmin = MM_2_PT(m_dPageHeight - dY - dH), dXmax = MM_2_PT(dX + dW), dYmax = MM_2_PT(m_dPageHeight - dY);
m_oTransform.Transform(dXmin, dYmin, &dXmin, &dYmin);
m_oTransform.Transform(dXmax, dYmax, &dXmax, &dYmax);
for (int i = 0; i < m_arrRedact.size(); i += 4)
{
double xMin = m_arrRedact[i + 0];
double yMin = m_arrRedact[i + 1];
double xMax = m_arrRedact[i + 2];
double yMax = m_arrRedact[i + 3];
if (!(dXmax < xMin || dXmin > xMax || dYmax < yMin || dYmin > yMax))
return S_OK;
}
}
m_pPage->GrSave();
UpdateTransform();
@ -2684,6 +2759,23 @@ HRESULT CPdfWriter::DrawImageWith1bppMask(IGrObject* pImage, NSImages::CPixJbig2
if (!IsPageValid() || !pMaskBuffer || !pImage)
return S_OK;
if (!m_arrRedact.empty())
{
double dXmin = MM_2_PT(dX), dYmin = MM_2_PT(m_dPageHeight - dY - dH), dXmax = MM_2_PT(dX + dW), dYmax = MM_2_PT(m_dPageHeight - dY);
m_oTransform.Transform(dXmin, dYmin, &dXmin, &dYmin);
m_oTransform.Transform(dXmax, dYmax, &dXmax, &dYmax);
for (int i = 0; i < m_arrRedact.size(); i += 4)
{
double xMin = m_arrRedact[i + 0];
double yMin = m_arrRedact[i + 1];
double xMax = m_arrRedact[i + 2];
double yMax = m_arrRedact[i + 3];
if (!(dXmax < xMin || dXmin > xMax || dYmax < yMin || dYmin > yMax))
return S_OK;
}
}
PdfWriter::CImageDict* pPdfImage = LoadImage((Aggplus::CImage*)pImage, 255);
if (!pPdfImage)
return S_OK;
@ -3245,6 +3337,24 @@ bool CPdfWriter::DrawText(unsigned char* pCodes, const unsigned int& unLen, cons
if (!pCodes || !unLen)
return false;
if (!m_arrRedact.empty())
{
double dXc = MM_2_PT(dX), dYc = MM_2_PT(m_dPageHeight - dY);
m_oTransform.Transform(dXc, dYc, &dXc, &dYc);
// TODO должна быть проверка центрального положения, а не точки начала
// TODO Сюда приходит много символов за раз, и нужно отрисовать только те, что вне областей редакта
for (int i = 0; i < m_arrRedact.size(); i += 4)
{
double xMin = m_arrRedact[i + 0];
double yMin = m_arrRedact[i + 1];
double xMax = m_arrRedact[i + 2];
double yMax = m_arrRedact[i + 3];
if (xMin < dXc && dXc < xMax && yMin < dYc && dYc < yMax)
return true;
}
}
CTransform& t = m_oTransform;
m_oCommandManager.SetTransform(t.m11, -t.m12, -t.m21, t.m22, MM_2_PT(t.dx + t.m21 * m_dPageHeight), MM_2_PT(m_dPageHeight - m_dPageHeight * t.m22 - t.dy));
@ -3267,6 +3377,23 @@ bool CPdfWriter::DrawTextToRenderer(const unsigned int* unGid, const unsigned in
{
if (m_bSplit)
return false;
if (!m_arrRedact.empty())
{
double dXc = MM_2_PT(dX), dYc = MM_2_PT(m_dPageHeight - dY);
m_oTransform.Transform(dXc, dYc, &dXc, &dYc);
// TODO должна быть проверка центрального положения, а не точки начала
// TODO Сюда приходит много символов за раз, и нужно отрисовать только те, что вне областей редакта
for (int i = 0; i < m_arrRedact.size(); i += 4)
{
double xMin = m_arrRedact[i + 0];
double yMin = m_arrRedact[i + 1];
double xMax = m_arrRedact[i + 2];
double yMax = m_arrRedact[i + 3];
if (xMin < dXc && dXc < xMax && yMin < dYc && dYc < yMax)
return true;
}
}
// TODO pdf позволяет создание своего шрифта, но не следует это использовать для воссоздания шрифта запрещенного для редактирования или встраивания
Aggplus::CGraphicsPathSimpleConverter simplifier;
simplifier.SetRenderer(m_pRenderer);
@ -3282,6 +3409,24 @@ bool CPdfWriter::DrawTextToRenderer(const unsigned int* unGid, const unsigned in
}
bool CPdfWriter::PathCommandDrawText(unsigned int* pUnicodes, unsigned int unLen, const double& dX, const double& dY, const unsigned int* pGids)
{
if (!m_arrRedact.empty())
{
double dXc = MM_2_PT(dX), dYc = MM_2_PT(m_dPageHeight - dY);
m_oTransform.Transform(dXc, dYc, &dXc, &dYc);
// TODO должна быть проверка центрального положения, а не точки начала
// TODO Сюда приходит много символов за раз, и нужно отрисовать только те, что вне областей редакта
for (int i = 0; i < m_arrRedact.size(); i += 4)
{
double xMin = m_arrRedact[i + 0];
double yMin = m_arrRedact[i + 1];
double xMax = m_arrRedact[i + 2];
double yMax = m_arrRedact[i + 3];
if (xMin < dXc && dXc < xMax && yMin < dYc && dYc < yMax)
return true;
}
}
unsigned char* pCodes = EncodeString(pUnicodes, unLen, pGids);
if (!pCodes)
return false;