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separation of information and appearance of widgets

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This commit is contained in:
Kulikova Svetlana
2023-03-23 12:38:48 +03:00
parent 8750543f0e
commit 283ec810a2
8 changed files with 250 additions and 129 deletions
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216
PdfFile/PdfReader.cpp
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@ -718,7 +718,7 @@ BYTE* CPdfReader::GetLinks(int nPageIndex)
return oLinks.Serialize();
}
BYTE* CPdfReader::GetWidgets(int nPageIndex, int nRasterW, int nRasterH, int nBackgroundColor)
BYTE* CPdfReader::GetWidgets()
{
if (!m_pPDFDocument || !m_pPDFDocument->getCatalog())
return NULL;
@ -727,53 +727,6 @@ BYTE* CPdfReader::GetWidgets(int nPageIndex, int nRasterW, int nRasterH, int nBa
if (!pAcroForms)
return NULL;
GBool bDrawContent = globalParams->getDrawContent();
GBool bDrawAnnotations = globalParams->getDrawAnnotations();
GBool bDrawFormFileds = globalParams->getDrawFormFields();
globalParams->setDrawContent(gFalse);
globalParams->setDrawAnnotations(gFalse);
globalParams->setDrawFormFields(gTrue);
NSGraphics::IGraphicsRenderer* pRenderer = NSGraphics::Create();
pRenderer->SetFontManager(m_pFontManager);
double dPageDpiX, dPageDpiY;
double dWidth, dHeight;
GetPageInfo(nPageIndex, &dWidth, &dHeight, &dPageDpiX, &dPageDpiY);
int nWidth = (nRasterW > 0) ? nRasterW : (int)((int)dWidth * 96 / dPageDpiX);
int nHeight = (nRasterH > 0) ? nRasterH : (int)((int)dHeight * 96 / dPageDpiY);
BYTE* pBgraData = new BYTE[nWidth * nHeight * 4];
if (!pBgraData)
{
RELEASEOBJECT(pRenderer);
globalParams->setDrawContent(bDrawContent);
globalParams->setDrawAnnotations(bDrawAnnotations);
globalParams->setDrawFormFields(bDrawFormFileds);
return NULL;
}
unsigned int nColor = (unsigned int)nBackgroundColor;
unsigned int nSize = (unsigned int)(nWidth * nHeight);
unsigned int* pTemp = (unsigned int*)pBgraData;
for (unsigned int i = 0; i < nSize; ++i)
*pTemp++ = nColor;
CBgraFrame* pFrame = new CBgraFrame();
pFrame->put_Data(pBgraData);
pFrame->put_Width(nWidth);
pFrame->put_Height(nHeight);
pFrame->put_Stride(4 * nWidth);
pRenderer->CreateFromBgraFrame(pFrame);
pRenderer->SetSwapRGB(true);
pRenderer->put_Width(dWidth * 25.4 / dPageDpiX);
pRenderer->put_Height(dHeight * 25.4 / dPageDpiX);
if (nBackgroundColor != 0xFFFFFF)
pRenderer->CommandLong(c_nDarkMode, 1);
NSWasm::CData oRes;
oRes.SkipLen();
@ -782,12 +735,15 @@ BYTE* CPdfReader::GetWidgets(int nPageIndex, int nRasterW, int nRasterH, int nBa
AcroFormField* pField = pAcroForms->getField(i);
Object oFieldRef, oField;
XRef* xref = m_pPDFDocument->getXRef();
if (!xref || !pField->getFieldRef(&oFieldRef) || !oFieldRef.isRef() || !oFieldRef.fetch(xref, &oField) || !oField.isDict() || pField->getPageNum() != nPageIndex + 1)
if (!xref || !pField->getFieldRef(&oFieldRef) || !oFieldRef.isRef() || !oFieldRef.fetch(xref, &oField) || !oField.isDict())
{
oFieldRef.free(); oField.free();
continue;
}
// Номер аннотации для сопоставления с AP
oRes.AddInt(i);
// Флаг аннотации - F
Object oFlag;
int nAnnotFlag = 0;
@ -803,6 +759,14 @@ BYTE* CPdfReader::GetWidgets(int nPageIndex, int nRasterW, int nRasterH, int nBa
oRes.WriteString((BYTE*)sTName.c_str(), (unsigned int)sTName.length());
gfree(uName);
// Номер страницы - P
int nPage = pField->getPageNum();
oRes.AddInt(nPage - 1);
double dPageDpiX, dPageDpiY;
double dWidth, dHeight;
GetPageInfo(nPage - 1, &dWidth, &dHeight, &dPageDpiX, &dPageDpiY);
// Координаты - BBox
double dx1, dy1, dx2, dy2;
pField->getBBox(&dx1, &dy1, &dx2, &dy2);
@ -814,40 +778,6 @@ BYTE* CPdfReader::GetWidgets(int nPageIndex, int nRasterW, int nRasterH, int nBa
oRes.AddDouble(dx2);
oRes.AddDouble(dy2);
globalParams->setDrawFormField(i);
bool bBreak = false;
m_pRenderer->DrawPageOnRenderer(pRenderer, nPageIndex, &bBreak);
// Получение пикселей внешнего вида виджета
int nRx1 = dx1 * (double)nWidth / dWidth;
int nRx2 = dx2 * (double)nWidth / dWidth + 1;
int nRy1 = dy1 * (double)nHeight / dHeight;
int nRy2 = dy2 * (double)nHeight / dHeight + 1;
if (nRx1 < 0) nRx1 = 0;
if (nRy1 < 0) nRy1 = 0;
if (nRx2 > nWidth) nRx1 = nWidth;
if (nRy2 > nHeight) nRy1 = nHeight;
BYTE* pSubMatrix = new BYTE[(nRx2 - nRx1) * (nRy2 - nRy1) * 4];
int p = 0;
unsigned int* pTemp = (unsigned int*)pBgraData;
unsigned int* pSubTemp = (unsigned int*)pSubMatrix;
for (int y = nRy1; y < nRy2; ++y)
{
for (int x = nRx1; x < nRx2; ++x)
{
pSubTemp[p++] = pTemp[y * nWidth + x];
pTemp[y * nWidth + x] = 0;
}
}
oRes.AddInt(nRx2 - nRx1);
oRes.AddInt(nRy2 - nRy1);
unsigned long long npSubMatrix = (unsigned long long)pSubMatrix;
unsigned int npSubMatrix1 = npSubMatrix & 0xFFFFFFFF;
oRes.AddInt(npSubMatrix1);
oRes.AddInt(npSubMatrix >> 32);
// Выравнивание текста - Q
Object oQ;
pField->fieldLookup("Q", &oQ);
@ -1462,6 +1392,126 @@ oObj.free();\
oRes.AddInt(nFlags, nFlagPos);
}
oRes.WriteLen();
BYTE* bRes = oRes.GetBuffer();
oRes.ClearWithoutAttack();
return bRes;
}
BYTE* CPdfReader::GetAPWidgets(int nPageIndex, int nRasterW, int nRasterH, int nBackgroundColor)
{
if (!m_pPDFDocument || !m_pPDFDocument->getCatalog())
return NULL;
AcroForm* pAcroForms = m_pPDFDocument->getCatalog()->getForm();
if (!pAcroForms)
return NULL;
GBool bDrawContent = globalParams->getDrawContent();
GBool bDrawAnnotations = globalParams->getDrawAnnotations();
GBool bDrawFormFileds = globalParams->getDrawFormFields();
globalParams->setDrawContent(gFalse);
globalParams->setDrawAnnotations(gFalse);
globalParams->setDrawFormFields(gTrue);
NSGraphics::IGraphicsRenderer* pRenderer = NSGraphics::Create();
pRenderer->SetFontManager(m_pFontManager);
double dPageDpiX, dPageDpiY;
double dWidth, dHeight;
GetPageInfo(nPageIndex, &dWidth, &dHeight, &dPageDpiX, &dPageDpiY);
int nWidth = (nRasterW > 0) ? nRasterW : (int)((int)dWidth * 96 / dPageDpiX);
int nHeight = (nRasterH > 0) ? nRasterH : (int)((int)dHeight * 96 / dPageDpiY);
BYTE* pBgraData = new BYTE[nWidth * nHeight * 4];
if (!pBgraData)
{
RELEASEOBJECT(pRenderer);
globalParams->setDrawContent(bDrawContent);
globalParams->setDrawAnnotations(bDrawAnnotations);
globalParams->setDrawFormFields(bDrawFormFileds);
return NULL;
}
unsigned int nColor = (unsigned int)nBackgroundColor;
unsigned int nSize = (unsigned int)(nWidth * nHeight);
unsigned int* pTemp = (unsigned int*)pBgraData;
for (unsigned int i = 0; i < nSize; ++i)
*pTemp++ = nColor;
CBgraFrame* pFrame = new CBgraFrame();
pFrame->put_Data(pBgraData);
pFrame->put_Width(nWidth);
pFrame->put_Height(nHeight);
pFrame->put_Stride(4 * nWidth);
pRenderer->CreateFromBgraFrame(pFrame);
pRenderer->SetSwapRGB(true);
pRenderer->put_Width(dWidth * 25.4 / dPageDpiX);
pRenderer->put_Height(dHeight * 25.4 / dPageDpiX);
if (nBackgroundColor != 0xFFFFFF)
pRenderer->CommandLong(c_nDarkMode, 1);
NSWasm::CData oRes;
oRes.SkipLen();
for (int i = 0, nNum = pAcroForms->getNumFields(); i < nNum; ++i)
{
AcroFormField* pField = pAcroForms->getField(i);
Object oFieldRef, oField;
XRef* xref = m_pPDFDocument->getXRef();
if (!xref || !pField->getFieldRef(&oFieldRef) || !oFieldRef.isRef() || !oFieldRef.fetch(xref, &oField) || !oField.isDict() || pField->getPageNum() != nPageIndex + 1)
{
oFieldRef.free(); oField.free();
continue;
}
// Координаты - BBox
double dx1, dy1, dx2, dy2;
pField->getBBox(&dx1, &dy1, &dx2, &dy2);
double dTemp = dy1;
dy1 = dHeight - dy2;
dy2 = dHeight - dTemp;
globalParams->setDrawFormField(i);
bool bBreak = false;
m_pRenderer->DrawPageOnRenderer(pRenderer, nPageIndex, &bBreak);
// Получение пикселей внешнего вида виджета
int nRx1 = dx1 * (double)nWidth / dWidth;
int nRx2 = dx2 * (double)nWidth / dWidth + 1;
int nRy1 = dy1 * (double)nHeight / dHeight;
int nRy2 = dy2 * (double)nHeight / dHeight + 1;
if (nRx1 < 0) nRx1 = 0;
if (nRy1 < 0) nRy1 = 0;
if (nRx2 > nWidth) nRx1 = nWidth;
if (nRy2 > nHeight) nRy1 = nHeight;
BYTE* pSubMatrix = new BYTE[(nRx2 - nRx1) * (nRy2 - nRy1) * 4];
int p = 0;
unsigned int* pTemp = (unsigned int*)pBgraData;
unsigned int* pSubTemp = (unsigned int*)pSubMatrix;
for (int y = nRy1; y < nRy2; ++y)
{
for (int x = nRx1; x < nRx2; ++x)
{
pSubTemp[p++] = pTemp[y * nWidth + x];
pTemp[y * nWidth + x] = 0;
}
}
// Номер аннотации для сопоставления с AP
oRes.AddInt(i);
oRes.AddInt(nRx2 - nRx1);
oRes.AddInt(nRy2 - nRy1);
unsigned long long npSubMatrix = (unsigned long long)pSubMatrix;
unsigned int npSubMatrix1 = npSubMatrix & 0xFFFFFFFF;
oRes.AddInt(npSubMatrix1);
oRes.AddInt(npSubMatrix >> 32);
}
globalParams->setDrawContent(bDrawContent);
globalParams->setDrawAnnotations(bDrawAnnotations);
globalParams->setDrawFormFields(bDrawFormFileds);