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djvu links

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Kulikova Svetlana
2021-08-18 13:14:17 +03:00
parent 4ce8c56fc9
commit c8ce35e4b9
6 changed files with 53 additions and 5 deletions
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27
DesktopEditor/graphics/pro/js/wasm/src/wasmgraphics.cpp
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@ -79,6 +79,10 @@ WASM_EXPORT BYTE* XPS_GetInternalLinks(CGraphicsFileDrawing* pGraphics, int nPag
{
return pGraphics->GetXPSInternalLinks(nPageIndex, nRasterW, nRasterH);
}
WASM_EXPORT BYTE* DJVU_GetLinks(CGraphicsFileDrawing* pGraphics, int nPageIndex, int nRasterW, int nRasterH)
{
return pGraphics->GetDJVULinks(nPageIndex, nRasterW, nRasterH);
}
WASM_EXPORT BYTE* XPS_GetStructure(CGraphicsFileDrawing* pGraphics)
{
return pGraphics->GetXPSStructure();
@ -99,13 +103,13 @@ WASM_EXPORT void XPS_Delete(BYTE* pData)
#ifdef TEST_AS_EXECUTABLE
static DWORD GetLength(BYTE* x)
{
return x[0] | x[1] << 8 | x[2] << 16 | x[3] << 24;
return x ? (x[0] | x[1] << 8 | x[2] << 16 | x[3] << 24) : 4;
}
int main()
{
#define XPS_TEST 1
#define DJVU_TEST 0
#define XPS_TEST 0
#define DJVU_TEST 1
#if XPS_TEST
BYTE* pXpsData = NULL;
DWORD nXpsBytesCount;
@ -280,7 +284,7 @@ int main()
int width = info[1] * 96 / info[3];
int height = info[2] * 96 / info[3];
BYTE* pGlyphs = DJVU_GetGlyphs(test, 3, width, height);
BYTE* pGlyphs = DJVU_GetGlyphs(test, 0, width, height);
DWORD nLength = GetLength(pGlyphs);
DWORD i = 4;
nLength -= 4;
@ -309,9 +313,21 @@ int main()
i += nPathLength;
}
BYTE* pLinks = DJVU_GetLinks(test, 0, width, height);
nLength = GetLength(pLinks);
i = 4;
nLength -= 4;
while (i < nLength)
{
DWORD nPathLength = GetLength(pLinks + i);
i += 4;
std::cout << "Link "<< std::string((char*)(pLinks + i), nPathLength) << std::endl;
i += nPathLength;
}
BYTE* res = NULL;
if (pages_count > 0)
res = XPS_GetPixmap(test, 3, width, height);
res = XPS_GetPixmap(test, 0, width, height);
for (int i = 0; i < 100; i++)
std::cout << (int)res[i] << " ";
@ -348,6 +364,7 @@ int main()
RELEASEARRAYOBJECTS(info);
RELEASEARRAYOBJECTS(res);
RELEASEARRAYOBJECTS(pGlyphs);
RELEASEARRAYOBJECTS(pLinks);
RELEASEARRAYOBJECTS(pStructure);
RELEASEOBJECT(resFrame);
return 0;

4
DesktopEditor/graphics/pro/js/wasm/src/wasmgraphics.h
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@ -90,6 +90,10 @@ public:
{
return ((CXpsFile*)pReader)->GetInternalLinks(nPageIndex, nRasterW, nRasterH);
}
BYTE* GetDJVULinks(int nPageIndex, int nRasterW, int nRasterH)
{
return ((CDjVuFile*)pReader)->GetPageLinks(nPageIndex, nRasterW, nRasterH);
}
BYTE* GetXPSStructure()
{
return ((CXpsFile*)pReader)->GetStructure();

6
DjVuFile/DjVu.cpp
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@ -118,4 +118,10 @@ BYTE* CDjVuFile::GetPageGlyphs(int nPageIndex, int nRasterW, int nRasterH)
return m_pImplementation->GetPageGlyphs(nPageIndex, nRasterW, nRasterH);
return NULL;
}
BYTE* CDjVuFile::GetPageLinks (int nPageIndex, int nRasterW, int nRasterH)
{
if (m_pImplementation)
return m_pImplementation->GetPageLinks(nPageIndex, nRasterW, nRasterH);
return NULL;
}
#endif

1
DjVuFile/DjVu.h
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@ -74,5 +74,6 @@ public:
#ifdef WASM_MODE
BYTE* GetStructure();
BYTE* GetPageGlyphs(int nPageIndex, int nRasterW, int nRasterH);
BYTE* GetPageLinks (int nPageIndex, int nRasterW, int nRasterH);
#endif
};

19
DjVuFile/DjVuFileImplementation.cpp
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@ -568,6 +568,25 @@ BYTE* CDjVuFileImplementation::GetPageGlyphs(int nPageIndex, const
oRes.ClearWithoutAttack();
return res;
}
BYTE* CDjVuFileImplementation::GetPageLinks (int nPageIndex, const int& nRasterW, const int& nRasterH)
{
GP<DjVuImage> pPage = m_pDoc->get_page(nPageIndex);
GP<DjVuAnno> pAnno = pPage->get_decoded_anno();
GPList<GMapArea> map_areas = pAnno->ant->map_areas;
CData oRes;
oRes.SkipLen();
for(GPosition pos(map_areas); pos; ++pos)
{
GUTF8String sURL = map_areas[pos]->url;
oRes.WriteString((BYTE*)sURL.getbuf(), sURL.length());
}
oRes.WriteLen();
BYTE* res = oRes.GetBuffer();
oRes.ClearWithoutAttack();
return res;
}
#endif
void CDjVuFileImplementation::CreateFrame(IRenderer* pRenderer, GP<DjVuImage>& pPage, int nPage, XmlUtils::CXmlNode& text)
{

1
DjVuFile/DjVuFileImplementation.h
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@ -82,6 +82,7 @@ public:
#ifdef WASM_MODE
BYTE* GetStructure();
BYTE* GetPageGlyphs(int nPageIndex, const int& nRasterW, const int& nRasterH);
BYTE* GetPageLinks (int nPageIndex, const int& nRasterW, const int& nRasterH);
#endif
private: