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windows-nt/Source/XPSP1/NT/printscan/ui/annotlib/annot.cpp

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2020-09-26 03:20:57 -05:00
#include "annotlib.h"
#include "assert.h"
#pragma hdrstop
#if !defined(ARRAYSIZE)
#define ARRAYSIZE(x) (sizeof((x))/sizeof((x)[0]))
#endif
// Private definitions of tag types and values
//
// Each entry in the annotation has a type
//
#define DEFAULTDATA 2
#define ANNOTMARK 5
#define MARKBLOCK 6
// Reserved names for named blocks. case sensitive
static const char c_szAnoDat[] = "OiAnoDat";
static const char c_szFilNam[] = "OiFilNam";
static const char c_szDIB[] = "OiDIB";
static const char c_szGroup[] = "OiGroup";
static const char c_szIndex[] = "OiIndex";
static const char c_szAnText[] = "OiAnText";
static const char c_szHypLnk[] = "OiHypLnk";
static const char c_szDefaultGroup[] = "[Untitled]";
#define CBHEADER 8 // unused 4 bytes plus int size specifier
#define CBDATATYPE 8 // type specifier plus data size
#define CBNAMEDBLOCK 12 // name of block + sizeof block
#define CBINDEX 10 // length of the index string
#define CBBLOCKNAME 8 // length of the name of the named block
static const SIZE_T c_cbDefaultData = 144;
static const BYTE c_pDefaultData[] = {
0x02, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x4f, 0x69, 0x55, 0x47, 0x72, 0x6f, 0x75, 0x70,
0x2a, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x5b, 0x55, 0x6e, 0x74, 0x69, 0x74, 0x6c, 0x65,
0x64, 0x5d, 0x00, 0x00, 0x5b, 0x00, 0x55, 0x00, 0x6e, 0x00, 0x74, 0x00, 0x69, 0x00, 0x74, 0x00,
0x6c, 0x00, 0x65, 0x00, 0x64, 0x00, 0x5d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x4f, 0x69, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x00, 0x0c, 0x00,
0x00, 0x00, 0x5b, 0x55, 0x6e, 0x74, 0x69, 0x74, 0x6c, 0x65, 0x64, 0x5d, 0x00, 0x00, 0x02, 0x00,
0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x4f, 0x69, 0x49, 0x6e, 0x64, 0x65, 0x78, 0x00, 0x1e, 0x00,
0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
static const BYTE c_pDefaultUGroup [] = {
0x4f, 0x69, 0x55, 0x47, 0x72, 0x6f, 0x75, 0x70,
0x2a, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x5b, 0x55, 0x6e, 0x74, 0x69, 0x74, 0x6c, 0x65,
0x64, 0x5d, 0x00, 0x00, 0x5b, 0x00, 0x55, 0x00, 0x6e, 0x00, 0x74, 0x00, 0x69, 0x00, 0x74, 0x00,
0x6c, 0x00, 0x65, 0x00, 0x64, 0x00, 0x5d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const INT AnnotHeader[] =
{
0, 1
};
void NormalizeRect (RECT *prect)
{
int nTemp;
if (prect->left > prect->right)
{
nTemp = prect->left;
prect->left = prect->right;
prect->right = nTemp;
}
if (prect->top > prect->bottom)
{
nTemp = prect->top;
prect->top = prect->bottom;
prect->bottom = nTemp;
}
}
static void RotateHelper(LPPOINT ppoint, int cSize, int nNewImageWidth, int nNewImageHeight, BOOL bClockwise)
{
int nNewX, nNewY;
for(int i=0;i<cSize;i++)
{
if (bClockwise)
{
nNewX = nNewImageWidth - ppoint[i].y;
nNewY = ppoint[i].x;
}
else
{
nNewX = ppoint[i].y;
nNewY = nNewImageHeight - ppoint[i].x;
}
ppoint[i].x = nNewX;
ppoint[i].y = nNewY;
}
}
CAnnotationSet::CAnnotationSet()
: _dpaMarks(NULL)
{
_pDefaultData = (LPBYTE)c_pDefaultData;
_cbDefaultData = c_cbDefaultData;
}
CAnnotationSet::~CAnnotationSet()
{
_ClearMarkList ();
}
void CAnnotationSet::RenderAllMarks(HDC hdc)
{
CAnnotation *pCur;
if(_dpaMarks == NULL)
return;
for (INT_PTR i=0;i<DPA_GetPtrCount(_dpaMarks);i++)
{
pCur = (CAnnotation*)DPA_GetPtr(_dpaMarks, i);
if (pCur)
{
pCur->Render (hdc);
}
}
}
CAnnotation* CAnnotationSet::GetAnnotation(INT_PTR nIndex)
{
if(_dpaMarks == NULL)
return NULL;
if (nIndex >= 0 && nIndex < DPA_GetPtrCount(_dpaMarks))
{
CAnnotation *pCur;
pCur = (CAnnotation *)DPA_GetPtr(_dpaMarks, nIndex);
return pCur;
}
return NULL;
}
BOOL CAnnotationSet::AddAnnotation(CAnnotation *pMark)
{
DPA_AppendPtr(_dpaMarks, pMark);
return true;
}
BOOL CAnnotationSet::RemoveAnnotation(CAnnotation *pMark)
{
CAnnotation *pCur;
if(_dpaMarks == NULL)
return true;
for (int i=0;i<DPA_GetPtrCount(_dpaMarks);i++)
{
pCur = (CAnnotation*)DPA_GetPtr(_dpaMarks, i);
if (pCur == pMark)
{
DPA_DeletePtr(_dpaMarks, i);
return true;
}
}
return false;
}
void CAnnotationSet::SetImageData(IShellImageData *pimg)
{
GUID guidFmt;
pimg->GetRawDataFormat(&guidFmt);
_ClearMarkList();
if (ImageFormatTIFF == guidFmt)
{
_BuildMarkList(pimg);
}
}
//
// This function reassembles the in-file representation of the current
// annotations and writes it to the IPropertyStorage
//
HRESULT CAnnotationSet::CommitAnnotations(IShellImageData * pSID)
{
HRESULT hr = E_OUTOFMEMORY;
SIZE_T cbItem;
CAnnotation *pItem;
LPBYTE pData;
if (NULL == _dpaMarks || DPA_GetPtrCount(_dpaMarks) == 0)
{
hr = _SaveAnnotationProperty(pSID, NULL, 0);
return hr;
}
//
// First, calculate the size of the buffer needed
// Begin with the header and the size of the default data
//
SIZE_T cbBuffer = CBHEADER+_cbDefaultData;
//
// Now query the individual items' sizes
//
for (INT_PTR i=0;i<DPA_GetPtrCount(_dpaMarks);i++)
{
pItem = (CAnnotation*)DPA_GetPtr(_dpaMarks, i);
if (pItem)
{
if (SUCCEEDED(pItem->GetBlob(cbItem, NULL, c_szDefaultGroup, NULL)))
{
// cbItem includes the named blocks of the item as well
// as the ANNOTATIONMARK struct
cbBuffer += CBDATATYPE + cbItem;
}
}
}
//
// Allocate the buffer to hold the annotations
//
pData = new BYTE[cbBuffer];
if (pData)
{
LPBYTE pCur = pData;
//
// Copy in the header and the int size
//
CopyMemory(pCur, AnnotHeader, CBHEADER);
pCur+=CBHEADER;
//
// Copy in the default data
//
CopyMemory(pCur, _pDefaultData, _cbDefaultData);
pCur+=_cbDefaultData;
//
// Scan through the items again and have them copy in their data
//
for (INT_PTR i=0;i<DPA_GetPtrCount(_dpaMarks);i++)
{
pItem = (CAnnotation*)DPA_GetPtr(_dpaMarks, i);
if (pItem)
{
UINT nIndex = (UINT)i;
CHAR szIndex[11];
ZeroMemory(szIndex, 11);
wsprintfA(szIndex, "%d", nIndex);
if (SUCCEEDED(pItem->GetBlob(cbItem, pCur+CBDATATYPE, c_szDefaultGroup, szIndex)))
{
*(UNALIGNED UINT *)pCur = ANNOTMARK; // next item is an ANNOTATIONMARK
*(UNALIGNED UINT *)(pCur+4) = sizeof(ANNOTATIONMARK); // size of the mark
pCur+=CBDATATYPE + cbItem;
}
}
}
//
// Now save the annotation blob as a property
//
hr = _SaveAnnotationProperty(pSID, pData, cbBuffer);
}
delete [] pData;
return hr;
}
void CAnnotationSet::ClearAllMarks()
{
_ClearMarkList();
}
//
// _BuildMarkList reads the PROPVARIANT for tag 32932 from the image.
// It walks through the data building a list of CAnnotation-derived objects
//
void CAnnotationSet::_BuildMarkList(IShellImageData * pSID)
{
if(!pSID)
{
return;
}
pSID->GetResolution(&_xDPI, &_yDPI);
IPropertySetStorage * pss;
if(SUCCEEDED(pSID->GetProperties(STGM_READWRITE|STGM_SHARE_EXCLUSIVE, &pss)))
{
IPropertyStorage * pstg;
if(SUCCEEDED( pss->Open(FMTID_ImageProperties, STGM_READWRITE | STGM_SHARE_EXCLUSIVE, &pstg)))
{
_dpaMarks = DPA_Create(16);
PROPVARIANT pv = {0};
PROPSPEC ps;
ps.propid = ANNOTATION_IMAGE_TAG;
ps.ulKind = PRSPEC_PROPID;
if(S_OK == pstg->ReadMultiple(1, &ps, &pv))
{
if (pv.vt != VT_NULL && pv.vt != VT_EMPTY)
{
LPVOID pData = NULL;
long lUBound;
//
// This property is a SAFEARRAY of bytes
//
assert(pv.vt ==(VT_UI1 | VT_ARRAY));
SafeArrayGetUBound(pv.parray, 1, &lUBound);
SafeArrayAccessData(pv.parray, &pData);
if(pData)
{
_BuildListFromData(pData, SafeArrayGetElemsize(pv.parray)*(lUBound+1));
}
SafeArrayUnaccessData(pv.parray);
}
PropVariantClear (&pv);
}
pstg->Release();
}
pss->Release();
}
}
// Given the raw annotation data, do set up and then call _BuildListFromData
HRESULT CAnnotationSet::BuildAllMarksFromData(LPVOID pData, UINT cbSize, ULONG xDPI, ULONG yDPI)
{
// check for bad params
if (!pData)
{
return E_INVALIDARG;
}
// First, clear out any old marks...
_ClearMarkList();
// Set up DPI info
_xDPI = xDPI;
_yDPI = yDPI;
// Create DPA if it doesn't exist
if (!_dpaMarks)
{
_dpaMarks = DPA_Create(16);
if (!_dpaMarks)
{
return E_OUTOFMEMORY;
}
}
// build list of marks
_BuildListFromData(pData,cbSize);
return S_OK;
}
// Given the raw annotation data, swizzle it to in-memory CAnnotation objects
// and add those object pointers to our list
void CAnnotationSet::_BuildListFromData(LPVOID pData, UINT cbSize)
{
ANNOTATIONDESCRIPTOR *pDesc;
LPBYTE pNextData =(LPBYTE)pData;
LPBYTE pDefaultData;
CAnnotation *pMark;
if(!_dpaMarks)
{
return;
}
// Skip the 4 byte header
pNextData += 4;
// Make sure the int size is 32 bits
if(!((UNALIGNED int *)*pNextData))
{
return;
}
// skip the int size marker
pNextData += 4;
pDefaultData = pNextData;
// skip the default data. It gets stored for future use, as it will be appended to all
// new marks the user creates on this image.
pNextData += _NamedBlockDataSize(2,pNextData,(LPBYTE)pData+cbSize);
_cbDefaultData = (SIZE_T)(pNextData-pDefaultData);
_pDefaultData = new BYTE[_cbDefaultData];
if(_pDefaultData)
{
CopyMemory(_pDefaultData, pDefaultData, _cbDefaultData);
}
// pNextData now points to the first mark in the data.
do
{
// Create a descriptor from the raw mark data
pDesc = _ReadMark(pNextData, &pNextData,(LPBYTE)pData+cbSize);
if(pDesc)
{
// Now create a CAnnotation from the descriptor and add it to the list
pMark = CAnnotation::CreateAnnotation(pDesc, _yDPI);
if(pMark)
{
DPA_AppendPtr(_dpaMarks, pMark);
}
delete pDesc;
}
}while(pNextData &&(((LPBYTE)pData+cbSize) > pNextData) );
}
#define CHECKEOD if(pCur>pEOD)return -1;
INT CAnnotationSet::_NamedBlockDataSize(UINT uType, LPBYTE pData, LPBYTE pEOD)
{
LPBYTE pCur = pData;
UINT cbSkip=0;
while(pCur < pEOD && *(UNALIGNED UINT*)pCur == uType)
{
pCur+=4;
CHECKEOD
// skip type and size
cbSkip +=8+*(UNALIGNED UINT*)pCur;
pCur+=4;
//skip name
pCur+=8;
CHECKEOD
// skip size plus the actual data
cbSkip+=*(UNALIGNED UINT*)pCur;
pCur+=4+*(UNALIGNED UINT*)pCur;
}
return cbSkip;
}
ANNOTATIONDESCRIPTOR *CAnnotationSet::_ReadMark(LPBYTE pMark, LPBYTE *ppNext, LPBYTE pEOD)
{
assert(*(UNALIGNED UINT*)pMark == 5);
LPBYTE pBegin;
UINT cbMark; // size of the ANNOTATIONMARK in pMark
UINT cbNamedBlocks= -1; // size of the named blocks in pMark
UINT cbDesc = sizeof(UINT); // size of the ANNOTATIONDESCRIPTOR
ANNOTATIONDESCRIPTOR *pDesc = NULL;
*ppNext = NULL;
if (pMark+8+sizeof(ANNOTATIONMARK)+sizeof(UINT) < pEOD)
{
// skip the type
pMark+=4;
//point pBegin at the ANNOTATIONMARK struct
pBegin=pMark+4;
cbMark = *(UNALIGNED UINT*)pMark;
assert(cbMark == sizeof(ANNOTATIONMARK));
cbDesc+=cbMark;
pMark+=4+cbMark;
cbNamedBlocks = _NamedBlockDataSize(6, pMark, pEOD);
}
if (-1 != cbNamedBlocks)
{
cbDesc+=cbNamedBlocks;
// Allocate the descriptor
pDesc =(ANNOTATIONDESCRIPTOR *)new BYTE[cbDesc];
}
if(pDesc)
{
UINT uOffset = 0;
// populate the descriptor
pDesc->cbSize = cbDesc;
CopyMemory(&pDesc->mark, pBegin, sizeof(pDesc->mark));
// Set pBegin at the beginning of the named blocks and read them in
pBegin+=cbMark;
NAMEDBLOCK *pBlock =(NAMEDBLOCK*)(&pDesc->blocks);
while(uOffset < cbNamedBlocks)
{
assert(*(UNALIGNED UINT*)(pBegin+uOffset) == 6);
uOffset += 4;
assert(*(UNALIGNED UINT*)(pBegin+uOffset) = 12); // name plus data size
uOffset+=4;
// Copy in the name of the block
lstrcpynA(pBlock->szType,(LPCSTR)(pBegin+uOffset), ARRAYSIZE(pBlock->szType));
uOffset+=8;
cbMark = *(UNALIGNED UINT*)(pBegin+uOffset);
// Calculate the total size of the NAMEDBLOCK structure
pBlock->cbSize = sizeof(pBlock->cbSize)+sizeof(pBlock->szType)+cbMark;
uOffset+=4;
CopyMemory(&pBlock->data,pBegin+uOffset, cbMark);
uOffset+=cbMark;
// move our block pointer to the next chunk
pBlock =(NAMEDBLOCK*)((LPBYTE)pBlock+pBlock->cbSize);
}
*ppNext =(LPBYTE)(pBegin+cbNamedBlocks);
}
return pDesc;
}
void CAnnotationSet::_ClearMarkList()
{
if(_dpaMarks)
{
DPA_DestroyCallback(_dpaMarks, _FreeMarks, NULL);
_dpaMarks = NULL;
}
if (_pDefaultData != c_pDefaultData)
{
delete[] _pDefaultData;
}
_pDefaultData = (LPBYTE)c_pDefaultData;
_cbDefaultData = c_cbDefaultData;
}
int CALLBACK CAnnotationSet::_FreeMarks(LPVOID pMark, LPVOID pUnused)
{
delete (CAnnotation*)pMark;
return 1;
}
HRESULT CAnnotationSet::_SaveAnnotationProperty(IShellImageData * pSID, LPBYTE pData, SIZE_T cbBuffer)
{
IPropertySetStorage * pss;
HRESULT hr = pSID->GetProperties(STGM_READWRITE|STGM_SHARE_EXCLUSIVE, &pss);
if (SUCCEEDED(hr))
{
IPropertyStorage * pstg;
hr = pss->Open(FMTID_ImageProperties, STGM_READWRITE | STGM_SHARE_EXCLUSIVE, &pstg);
if (SUCCEEDED(hr))
{
PROPVARIANT pv;
static PROPSPEC ps = {PRSPEC_PROPID, ANNOTATION_IMAGE_TAG};
SAFEARRAYBOUND bound;
bound.cElements = (ULONG)cbBuffer;
bound.lLbound = 0;
PropVariantInit(&pv);
if (pData != NULL)
{
pv.vt = VT_UI1 | VT_ARRAY;
pv.parray = SafeArrayCreate(VT_UI1,1,&bound);
if (pv.parray)
{
LPVOID pBits;
hr = SafeArrayAccessData(pv.parray, &pBits);
if (SUCCEEDED(hr))
{
CopyMemory(pBits, pData, cbBuffer);
SafeArrayUnaccessData(pv.parray);
if (S_OK != pstg->WriteMultiple(1, &ps, &pv, 1024))
{
hr = E_FAIL;
}
}
}
else
{
hr = E_OUTOFMEMORY;
}
}
else
{
pv.vt = VT_NULL;
if (S_OK != pstg->WriteMultiple(1, &ps, &pv, 1024))
{
hr = E_FAIL;
}
}
PropVariantClear(&pv);
pstg->Release();
}
pss->Release();
}
return hr;
}
CAnnotation::CAnnotation(ANNOTATIONDESCRIPTOR *pDescriptor)
{
NAMEDBLOCK *pb;
CopyMemory(&_mark, &pDescriptor->mark, sizeof(_mark));
// every annotation read from the image should have a group name
// and an index
_szGroup = NULL;
pb = _FindNamedBlock("OiGroup", pDescriptor);
if(pb)
{
_szGroup = new char[pb->cbSize-sizeof(pb->szType)];
if(_szGroup)
{
lstrcpyA(_szGroup,(LPCSTR)(pb->data));
}
}
_pUGroup = (FILENAMEDBLOCK*)c_pDefaultUGroup;
pb = _FindNamedBlock("OiUGroup", pDescriptor);
if (pb)
{
_pUGroup = (FILENAMEDBLOCK*)new BYTE[pb->cbSize-1];
if (_pUGroup)
{
CopyMemory(_pUGroup->szType, pb->szType, ARRAYSIZE(_pUGroup->szType));
_pUGroup->cbSize = pb->cbSize-CBNAMEDBLOCK-1;
CopyMemory(_pUGroup->data, pb->data, _pUGroup->cbSize);
}
else
{
_pUGroup = (FILENAMEDBLOCK*)c_pDefaultUGroup;
}
}
}
// return a blank annotation object
CAnnotation *CAnnotation::CreateAnnotation(UINT type, ULONG uCreationScale)
{
ANNOTATIONDESCRIPTOR desc;
ZeroMemory(&desc, sizeof(desc));
desc.cbSize = sizeof(desc.cbSize)+sizeof(desc.mark)+sizeof(desc.blocks);
desc.mark.uType = type;
// MSDN mentions this required permission value
desc.mark.dwPermissions = 0x0ff83f;
desc.mark.bVisible = 1;
return CreateAnnotation(&desc, uCreationScale);
}
CAnnotation *CAnnotation::CreateAnnotation(ANNOTATIONDESCRIPTOR *pDescriptor, ULONG uCreationScale)
{
CAnnotation *pNew = NULL;
switch(pDescriptor->mark.uType)
{
case MT_IMAGEEMBED:
case MT_IMAGEREF:
pNew = new CImageMark(pDescriptor, pDescriptor->mark.uType == MT_IMAGEEMBED);
break;
case MT_STRAIGHTLINE:
case MT_FREEHANDLINE:
pNew = new CLineMark(pDescriptor, pDescriptor->mark.uType == MT_FREEHANDLINE);
break;
case MT_FILLRECT:
case MT_HOLLOWRECT:
pNew = new CRectMark(pDescriptor);
break;
case MT_TYPEDTEXT:
pNew = new CTypedTextMark(pDescriptor, uCreationScale);
break;
case MT_FILETEXT:
pNew = new CFileTextMark(pDescriptor, uCreationScale);
break;
case MT_STAMP:
pNew = new CTextStampMark(pDescriptor, uCreationScale);
break;
case MT_ATTACHANOTE:
pNew = new CAttachNoteMark(pDescriptor, uCreationScale);
break;
default:
break;
}
return pNew;
}
void CAnnotation::Resize(RECT rectNewSize)
{
_mark.lrBounds = rectNewSize;
NormalizeRect(&_mark.lrBounds);
}
NAMEDBLOCK *CAnnotation::_FindNamedBlock(LPCSTR szName, ANNOTATIONDESCRIPTOR *pDescriptor)
{
NAMEDBLOCK *pCur;
NAMEDBLOCK *pRet = NULL;
UINT uOffset;
LPBYTE pb =(LPBYTE)pDescriptor;
uOffset = sizeof(pDescriptor->cbSize)+sizeof(pDescriptor->mark);
while(!pRet && uOffset < pDescriptor->cbSize)
{
pCur =(NAMEDBLOCK*)(pb+uOffset);
if(!lstrcmpA(pCur->szType, szName))
{
pRet = pCur;
}
else
{
if (pCur->cbSize == 0)
return NULL;
uOffset+=pCur->cbSize;
}
}
return pRet;
}
CAnnotation::~CAnnotation()
{
if(_szGroup)
{
delete _szGroup;
}
if (_pUGroup && _pUGroup != (FILENAMEDBLOCK*)c_pDefaultUGroup)
{
delete [] (BYTE*)_pUGroup;
}
}
// GetBlob writes out the ANNOTATIONMARK plus the group and index blocks
// It then queries the subclass through a virtual function to get
// extra named blocks
//
HRESULT CAnnotation::GetBlob(SIZE_T &cbSize, LPBYTE pBuffer, LPCSTR szDefaultGroup, LPCSTR szNextIndex)
{
SIZE_T cbExtra = 0;
HRESULT hr = S_OK;
LPCSTR szGroup = _szGroup;
if (szGroup == NULL)
szGroup = szDefaultGroup;
// add in the ANNOTATIONMARK
cbSize = sizeof(_mark);
// for the group and index, add in the
cbSize += 2*(CBDATATYPE+CBNAMEDBLOCK);
// add in the length of the group name
cbSize += lstrlenA(szGroup)+1;
// add in the size of the index string
cbSize += CBINDEX;
if (_pUGroup)
{
cbSize += CBDATATYPE+CBNAMEDBLOCK+_pUGroup->cbSize;
}
// Add in the size of any named blocks from the subclass
_WriteBlocks(cbExtra, NULL);
cbSize += cbExtra;
if (pBuffer)
{
// now write the data
CopyMemory (pBuffer, &_mark, sizeof(_mark));
pBuffer += sizeof(_mark);
// write the mark-specific blocks before the group and index blocks
if (cbExtra)
{
if (SUCCEEDED(_WriteBlocks(cbExtra, pBuffer)))
{
pBuffer+=cbExtra;
}
}
// write the group and index blocks
if (_pUGroup)
{
*(UNALIGNED UINT*)pBuffer = 6;
*(UNALIGNED UINT*)(pBuffer + 4) = CBNAMEDBLOCK;
CopyMemory(pBuffer+CBDATATYPE,_pUGroup, CBNAMEDBLOCK+_pUGroup->cbSize);
pBuffer += CBDATATYPE + CBNAMEDBLOCK+_pUGroup->cbSize;
}
pBuffer += _WriteStringBlock(pBuffer, 6, c_szGroup, szGroup, lstrlenA(szGroup)+1);
pBuffer += _WriteStringBlock(pBuffer, 6, c_szIndex, szNextIndex, CBINDEX);
}
return hr;
}
void CAnnotation::Rotate(int nNewImageWidth, int nNewImageHeight, BOOL bClockwise)
{
RECT rect = _mark.lrBounds;
RotateHelper((LPPOINT)&rect, 2, nNewImageWidth, nNewImageHeight, bClockwise);
NormalizeRect(&rect);
_mark.lrBounds = rect;
}
void CAnnotation::GetFont(LOGFONTW& lfFont)
{
lfFont.lfHeight = _mark.lfFont.lfHeight;
lfFont.lfWidth = _mark.lfFont.lfWidth;
lfFont.lfEscapement = _mark.lfFont.lfEscapement;
lfFont.lfOrientation = _mark.lfFont.lfOrientation;
lfFont.lfWeight = _mark.lfFont.lfWeight;
lfFont.lfItalic = _mark.lfFont.lfItalic;
lfFont.lfUnderline = _mark.lfFont.lfUnderline;
lfFont.lfStrikeOut = _mark.lfFont.lfStrikeOut;
lfFont.lfCharSet = _mark.lfFont.lfCharSet;
lfFont.lfOutPrecision = _mark.lfFont.lfOutPrecision;
lfFont.lfClipPrecision = _mark.lfFont.lfClipPrecision;
lfFont.lfQuality = _mark.lfFont.lfQuality;
lfFont.lfPitchAndFamily = _mark.lfFont.lfPitchAndFamily;
::MultiByteToWideChar(CP_ACP, 0, _mark.lfFont.lfFaceName, LF_FACESIZE, lfFont.lfFaceName, LF_FACESIZE);
}
void CAnnotation::SetFont(LOGFONTW& lfFont)
{
_mark.lfFont.lfHeight = lfFont.lfHeight;
_mark.lfFont.lfWidth = lfFont.lfWidth;
_mark.lfFont.lfEscapement = lfFont.lfEscapement;
_mark.lfFont.lfOrientation = lfFont.lfOrientation;
_mark.lfFont.lfWeight = lfFont.lfWeight;
_mark.lfFont.lfItalic = lfFont.lfItalic;
_mark.lfFont.lfUnderline = lfFont.lfUnderline;
_mark.lfFont.lfStrikeOut = lfFont.lfStrikeOut;
_mark.lfFont.lfCharSet = lfFont.lfCharSet;
_mark.lfFont.lfOutPrecision = lfFont.lfOutPrecision;
_mark.lfFont.lfClipPrecision = lfFont.lfClipPrecision;
_mark.lfFont.lfQuality = lfFont.lfQuality;
_mark.lfFont.lfPitchAndFamily = lfFont.lfPitchAndFamily;
::WideCharToMultiByte(CP_ACP, 0, lfFont.lfFaceName, LF_FACESIZE, _mark.lfFont.lfFaceName, LF_FACESIZE, NULL, NULL);
}
SIZE_T CAnnotation::_WriteStringBlock(LPBYTE pBuffer, UINT uType, LPCSTR szName, LPCSTR szData, SIZE_T len)
{
if (pBuffer)
{
*(UNALIGNED UINT*)pBuffer = uType;
*(UNALIGNED UINT*)(pBuffer + 4) = CBNAMEDBLOCK;
lstrcpynA((LPSTR)(pBuffer + CBDATATYPE), szName, CBNAMEDBLOCK+1); // named block name
*(UNALIGNED UINT*)(pBuffer + CBDATATYPE + 8) = (UINT)len; // the named block name isn't null terminated
CopyMemory(pBuffer + CBDATATYPE + CBNAMEDBLOCK, szData, len);
}
return CBDATATYPE + CBNAMEDBLOCK + len;
}
SIZE_T CAnnotation::_WritePointsBlock(LPBYTE pBuffer, UINT uType, const POINT *ppts, int nPoints, int nMaxPoints)
{
UINT cbAnPoints = sizeof(int)+sizeof(int)+nPoints*sizeof(POINT);
if (pBuffer)
{
*(UNALIGNED UINT *)pBuffer = uType;
*(UNALIGNED UINT *)(pBuffer + 4) = CBNAMEDBLOCK;
lstrcpynA((LPSTR)(pBuffer + CBDATATYPE), c_szAnoDat, CBNAMEDBLOCK+1);
pBuffer += CBDATATYPE + 8;
*(UNALIGNED UINT *)pBuffer = cbAnPoints;
pBuffer+=4;
// Write out the ANPOINTS equivalent
*(UNALIGNED int*)pBuffer = nMaxPoints;
*(UNALIGNED int*)(pBuffer+4) = nPoints;
CopyMemory(pBuffer+8, ppts, nPoints*sizeof(POINT));
}
return CBDATATYPE + CBNAMEDBLOCK + cbAnPoints;
}
SIZE_T CAnnotation::_WriteRotateBlock(LPBYTE pBuffer, UINT uType, const ANROTATE *pRotate)
{
if (pBuffer)
{
*(UNALIGNED UINT *)pBuffer = uType;
*(UNALIGNED UINT *)(pBuffer + 4) = CBNAMEDBLOCK;
lstrcpynA((LPSTR)(pBuffer + CBDATATYPE), c_szAnoDat, CBNAMEDBLOCK+1);
*(UNALIGNED UINT *)(pBuffer + CBDATATYPE + 8) = sizeof(ANROTATE);
CopyMemory(pBuffer + CBDATATYPE + CBNAMEDBLOCK, pRotate, sizeof(ANROTATE));
}
return CBDATATYPE + CBNAMEDBLOCK + sizeof(ANROTATE);
}
SIZE_T CAnnotation::_WriteTextBlock(LPBYTE pBuffer, UINT uType, int nOrient, UINT uScale, LPCSTR szText, int nMaxLen)
{
LPCSTR pText = szText ? szText : "";
UINT cbString = min(lstrlenA(pText)+1, nMaxLen);
UINT cbPrivData = sizeof(ANTEXTPRIVDATA)+cbString;
if (pBuffer)
{
*(UNALIGNED UINT *)pBuffer = uType;
*(UNALIGNED UINT *)(pBuffer + 4) = CBNAMEDBLOCK;
lstrcpynA((LPSTR)(pBuffer + CBDATATYPE), c_szAnText, CBNAMEDBLOCK+1);
*(UNALIGNED UINT *)(pBuffer + CBDATATYPE + 8) = cbPrivData;
// write out the ANTEXTPRIVDATA equivalent
pBuffer += CBDATATYPE + CBNAMEDBLOCK;
*(UNALIGNED int*)pBuffer = nOrient;
*(UNALIGNED UINT *)(pBuffer+4) = 1000;
*(UNALIGNED UINT *)(pBuffer+8) = uScale;
*(UNALIGNED UINT *)(pBuffer+12) = cbString;
lstrcpynA((LPSTR)(pBuffer+16), pText, nMaxLen);
}
return CBDATATYPE + CBNAMEDBLOCK + cbPrivData;
}
SIZE_T CAnnotation::_WriteImageBlock(LPBYTE pBuffer, UINT uType, LPBYTE pDib, SIZE_T cbDib)
{
if (pBuffer)
{
*(UNALIGNED UINT *)pBuffer = uType;
*(UNALIGNED UINT *)(pBuffer+4) = CBNAMEDBLOCK;
lstrcpynA((LPSTR)(pBuffer + CBDATATYPE), c_szAnText, CBNAMEDBLOCK+1);
/* REVIEW_SDK
Now that I think about it, it might make sense to define a struct that could make this more clear.
Something like:
struct AnnoBlock
{
UINT uBlockType;
UINT uBlockSize;
CHAR sName[8]; // Not NULL terminated
UINT uVariableDataSize;
BYTE Data[];
};
*/
*(UNALIGNED UINT *)(pBuffer + CBDATATYPE + 8) = (UINT)cbDib;
CopyMemory(pBuffer + CBDATATYPE + CBNAMEDBLOCK, pDib, cbDib);
}
return CBDATATYPE + CBNAMEDBLOCK + cbDib;
}
CRectMark::CRectMark(ANNOTATIONDESCRIPTOR *pDescriptor)
: CAnnotation(pDescriptor)
{
// rects have no named blocks to read
}
void CRectMark::Render(HDC hdc)
{
int nROP = R2_COPYPEN;
if (_mark.bHighlighting)
nROP = R2_MASKPEN;
int nOldROP = ::SetROP2(hdc, nROP);
HPEN hPen = NULL;
HPEN hOldPen = NULL;
HBRUSH hBrush = NULL;
HBRUSH hOldBrush = NULL;
if (_mark.uType == MT_HOLLOWRECT)
{
hPen = ::CreatePen(PS_INSIDEFRAME, max(1, _mark.uLineSize),
RGB(_mark.rgbColor1.rgbRed,
_mark.rgbColor1.rgbGreen,
_mark.rgbColor1.rgbBlue));
if(hPen)
hOldPen =(HPEN)::SelectObject(hdc, hPen);
hOldBrush = (HBRUSH)::SelectObject(hdc, ::GetStockObject(NULL_BRUSH));
}
else
{
hBrush = CreateSolidBrush(RGB(_mark.rgbColor1.rgbRed,
_mark.rgbColor1.rgbGreen,
_mark.rgbColor1.rgbBlue));
if (hBrush)
hOldBrush = (HBRUSH)::SelectObject(hdc, hBrush);
hOldPen =(HPEN)::SelectObject(hdc, GetStockObject(NULL_PEN));
}
::Rectangle(hdc, _mark.lrBounds.left, _mark.lrBounds.top, _mark.lrBounds.right, _mark.lrBounds.bottom);
if (hOldPen)
::SelectObject(hdc, hOldPen);
if (hOldBrush)
::SelectObject(hdc, hOldBrush);
if (hPen)
::DeleteObject(hPen);
if (hBrush)
::DeleteObject(hBrush);
::SetROP2(hdc, nOldROP);
}
CImageMark::CImageMark(ANNOTATIONDESCRIPTOR *pDescriptor, bool bEmbedded) :
CAnnotation(pDescriptor), _hDibSection(NULL), _pDib(NULL)
{
ZeroMemory(&_rotation, sizeof(_rotation));
NAMEDBLOCK *pb = _FindNamedBlock(c_szAnoDat, pDescriptor);
UINT cb;
_cbDib = 0;
_bRotate = false;
if (pb)
{
CopyMemory(&_rotation, pb->data, sizeof(_rotation));
}
pb= _FindNamedBlock(c_szFilNam, pDescriptor);
if (pb)
{
cb = pb->cbSize-sizeof(pb->cbSize)-sizeof(pb->szType);
_szFilename = new char[cb+1];
if (_szFilename)
{
lstrcpynA (_szFilename, (LPCSTR)(pb->data), cb+1);
}
}
pb = _FindNamedBlock(c_szDIB, pDescriptor);
if (pb)
{
assert (bEmbedded);
cb = pb->cbSize-sizeof(pb->cbSize)-sizeof(pb->szType);
_pDib = new BYTE[cb];
if (_pDib)
{
CopyMemory (_pDib, pb->data, cb);
_cbDib = cb;
}
// what do we do if allocation fails?
}
// If an image has IoAnoDat, the structure is a rotation structure
pb = _FindNamedBlock(c_szAnoDat, pDescriptor);
if (pb)
{
assert(pb->cbSize-sizeof(pb->cbSize)-sizeof(pb->szType) == sizeof(_rotation));
_bRotate = true;
CopyMemory(&_rotation, pb->data, sizeof(_rotation));
}
}
CImageMark::~CImageMark()
{
if (_pDib)
{
delete [] _pDib;
}
if (_szFilename)
{
delete [] _szFilename;
}
}
HRESULT CImageMark::_WriteBlocks(SIZE_T &cbSize, LPBYTE pBuffer)
{
cbSize = 0;
if (_szFilename)
{
cbSize += _WriteStringBlock(pBuffer, 6, c_szFilNam, _szFilename, lstrlenA(_szFilename)+1);
}
if (_pDib)
{
cbSize += _WriteImageBlock(pBuffer, 6, _pDib, _cbDib);
}
if (_bRotate)
{
cbSize += _WriteRotateBlock(pBuffer, 6, &_rotation);
}
return S_OK;
}
void CImageMark::Render(HDC hdc)
{
}
CLineMark::CLineMark(ANNOTATIONDESCRIPTOR *pDescriptor, bool bFreehand)
: CAnnotation(pDescriptor)
{
NAMEDBLOCK *pb=_FindNamedBlock(c_szAnoDat, pDescriptor);
_points = NULL;
_nPoints = 0;
if (pb)
{
ANPOINTS *ppts = (ANPOINTS*)&pb->data;
_iMaxPts = bFreehand ? ppts->nMaxPoints : 2;
assert(_nPoints > 2?bFreehand:TRUE);
_points = new POINT[_iMaxPts];
if (_points)
{
_nPoints = ppts->nPoints;
CopyMemory (_points, &ppts->ptPoint, sizeof(POINT)*_nPoints);
// each point is relative to the upper left cornder of _mark.lrBounds
for (int i=0;i<_nPoints;i++)
{
_points[i].x += _mark.lrBounds.left;
_points[i].y += _mark.lrBounds.top;
}
}
}
}
CLineMark::~CLineMark()
{
if (_points)
{
delete [] _points;
}
}
void CLineMark::SetPoints(POINT* pPoints, int cPoints)
{
assert(_mark.uType == MT_FREEHANDLINE);
if (_points != NULL)
delete[] _points;
_points = pPoints;
_nPoints = cPoints;
_iMaxPts = _nPoints;
RECT rect;
rect.left = _points[0].x;
rect.top = _points[0].y;
rect.right = _points[0].x;
rect.bottom= _points[0].y;
for(int i = 1; i < _nPoints; i++)
{
if (rect.left > _points[i].x)
rect.left = _points[i].x;
else if (rect.right < _points[i].x)
rect.right = _points[i].x;
if (rect.top > _points[i].y)
rect.top = _points[i].y;
else if (rect.bottom < _points[i].y)
rect.bottom = _points[i].y;
}
_mark.lrBounds = rect;
}
void CLineMark::Render(HDC hdc)
{
int nROP = R2_COPYPEN;
if (_mark.bHighlighting)
nROP = R2_MASKPEN;
int nOldROP = ::SetROP2(hdc, nROP);
HPEN hPen = NULL;
HPEN hOldPen = NULL;
hPen = ::CreatePen(PS_SOLID, max(1, _mark.uLineSize),
RGB(_mark.rgbColor1.rgbRed,
_mark.rgbColor1.rgbGreen,
_mark.rgbColor1.rgbBlue));
if(hPen)
hOldPen =(HPEN)::SelectObject(hdc, hPen);
::Polyline(hdc, _points, _nPoints);
if (hOldPen)
::SelectObject(hdc, hOldPen);
if (hPen)
::DeleteObject(hPen);
::SetROP2(hdc, nOldROP);
}
void CLineMark::GetRect(RECT &rect)
{
int nPadding = (_mark.uLineSize / 2) + 6;
// one because LineTo is inclusive
// one for rounding error on odd line widths
// one for rounding error in scaling large files
// and three more just so we don't have to tweak this again
rect = _mark.lrBounds;
InflateRect(&rect, nPadding , nPadding);
}
// Usually we are interested in the bounding rect of the line above
// but if we are directly manipulating the line we need a way to get
// to the unadjusted points (left, top) and (right, bottom)
void CLineMark::GetPointsRect(RECT &rect)
{
if (_nPoints != 2)
return;
rect.top = _points[0].y;
rect.left = _points[0].x;
rect.bottom = _points[1].y;
rect.right = _points[1].x;
}
void CLineMark::Move(SIZE sizeOffset)
{
_points[0].x += sizeOffset.cx;
_points[0].y += sizeOffset.cy;
RECT rect;
rect.left = _points[0].x;
rect.top = _points[0].y;
rect.right = _points[0].x;
rect.bottom = _points[0].y;
for(int i = 1; i < _nPoints; i++)
{
_points[i].x += sizeOffset.cx;
if (rect.left > _points[i].x)
rect.left = _points[i].x;
else if (rect.right < _points[i].x)
rect.right = _points[i].x;
_points[i].y += sizeOffset.cy;
if (rect.top > _points[i].y)
rect.top = _points[i].y;
else if (rect.bottom < _points[i].y)
rect.bottom = _points[i].y;
}
_mark.lrBounds = rect;
}
void CLineMark::Resize(RECT rectNewSize)
{
if ((_points == NULL) && (_mark.uType == MT_STRAIGHTLINE))
{
_iMaxPts = _nPoints = 2;
_points = new POINT[_iMaxPts];
}
if ((_nPoints == 2) && (_points != NULL))
{
_points[0].y = rectNewSize.top;
_points[0].x = rectNewSize.left;
_points[1].y = rectNewSize.bottom;
_points[1].x = rectNewSize.right;
_mark.lrBounds = rectNewSize;
NormalizeRect(&_mark.lrBounds);
}
}
void CLineMark::Rotate(int nNewImageWidth, int nNewImageHeight, BOOL bClockwise)
{
RotateHelper(_points, _nPoints, nNewImageWidth, nNewImageHeight, bClockwise);
RECT rect;
rect.left = _points[0].x;
rect.top = _points[0].y;
rect.right = _points[0].x;
rect.bottom= _points[0].y;
for(int i = 1; i < _nPoints; i++)
{
if (rect.left > _points[i].x)
rect.left = _points[i].x;
else if (rect.right < _points[i].x)
rect.right = _points[i].x;
if (rect.top > _points[i].y)
rect.top = _points[i].y;
else if (rect.bottom < _points[i].y)
rect.bottom = _points[i].y;
}
_mark.lrBounds = rect;
}
HRESULT CLineMark::_WriteBlocks(SIZE_T &cbSize, LPBYTE pBuffer)
{
if (_points)
{
for (int i=0;i<_nPoints;i++)
{
_points[i].x -= _mark.lrBounds.left;
_points[i].y -= _mark.lrBounds.top;
}
cbSize = _WritePointsBlock(pBuffer, 6, _points, _nPoints, _iMaxPts);
for (int i=0;i<_nPoints;i++)
{
_points[i].x += _mark.lrBounds.left;
_points[i].y += _mark.lrBounds.top;
}
}
return S_OK;
}
CTextAnnotation::CTextAnnotation(ANNOTATIONDESCRIPTOR *pDescriptor, ULONG uCreationScale, UINT nMaxLen, bool bUseColor2 )
: CAnnotation(pDescriptor)
{
NAMEDBLOCK *pb = _FindNamedBlock(c_szAnText, pDescriptor);
_nCurrentOrientation = 0;
_uCreationScale = 0;
_uAnoTextLength = 0;
_szText = NULL;
_nMaxText = nMaxLen;
_bUseColor2 = bUseColor2;
if (pb)
{
ANTEXTPRIVDATA *pData = (ANTEXTPRIVDATA*)&pb->data;
_szText = new char[pData->uAnoTextLength+1];
if (_szText)
{
_nCurrentOrientation = pData->nCurrentOrientation;
_uCreationScale = pData->uCreationScale;
_uAnoTextLength = pData->uAnoTextLength;
lstrcpynA (_szText, pData->szAnoText, _uAnoTextLength+1);
}
}
if (_uCreationScale == 0)
{
_uCreationScale = 72000 / uCreationScale;
}
}
CTextAnnotation::~CTextAnnotation()
{
if (_szText)
{
delete [] _szText;
}
}
void CTextAnnotation::Render(HDC hdc)
{
COLORREF crOld;
int nOldROP = ::SetROP2(hdc, R2_COPYPEN);
if (_mark.uType == MT_ATTACHANOTE)
{
HPEN hOldPen =(HPEN)::SelectObject(hdc, GetStockObject(NULL_PEN));
HBRUSH hBrush = ::CreateSolidBrush(RGB(_mark.rgbColor1.rgbRed,
_mark.rgbColor1.rgbGreen,
_mark.rgbColor1.rgbBlue));
if (hBrush != NULL)
{
HBRUSH hOldBrush = (HBRUSH)::SelectObject(hdc, hBrush);
::Rectangle(hdc, _mark.lrBounds.left, _mark.lrBounds.top, _mark.lrBounds.right, _mark.lrBounds.bottom);
::SelectObject(hdc, hOldBrush);
::DeleteObject(hBrush);
}
::SelectObject(hdc, hOldPen);
crOld = ::SetTextColor(hdc, RGB(_mark.rgbColor2.rgbRed,
_mark.rgbColor2.rgbGreen,
_mark.rgbColor2.rgbBlue));
}
else
{
crOld = ::SetTextColor(hdc, RGB(_mark.rgbColor1.rgbRed,
_mark.rgbColor1.rgbGreen,
_mark.rgbColor1.rgbBlue));
}
int nOldBkMode = ::SetBkMode(hdc, TRANSPARENT);
LOGFONT lf;
GetFont(lf);
lf.lfHeight = GetFontHeight(hdc);
HFONT hFont = CreateFontIndirect(&lf);
HFONT hOldFont = NULL;
if (hFont != NULL)
hOldFont = (HFONT)::SelectObject(hdc, hFont);
BSTR bstrText = GetText();
// Handle angle of orientation in 1/10s of a degree
if (_nCurrentOrientation != 0)
{
XFORM xForm;
RECT rectSource = _mark.lrBounds;
::LPtoDP(hdc, (LPPOINT)&rectSource, 2);
if (_nCurrentOrientation == 900)
{
xForm.eM11 = (FLOAT)0.0;
xForm.eM12 = (FLOAT)-1.0;
xForm.eM21 = (FLOAT)1.0;
xForm.eM22 = (FLOAT)0.0;
// Rotate Source (left, top) to (left, bottom)
int nTmp = rectSource.bottom;
rectSource.bottom = rectSource.top;
rectSource.top = nTmp;
}
else if (_nCurrentOrientation == 1800)
{
xForm.eM11 = (FLOAT)-1.0;
xForm.eM12 = (FLOAT)0.0;
xForm.eM21 = (FLOAT)0.0;
xForm.eM22 = (FLOAT)-1.0;
// Rotate Source (left, top) to (right, bottom)
int nTmp = rectSource.right;
rectSource.right = rectSource.left;
rectSource.left = nTmp;
nTmp = rectSource.bottom;
rectSource.bottom = rectSource.top;
rectSource.top = nTmp;
}
else
{
xForm.eM11 = (FLOAT)0.0;
xForm.eM12 = (FLOAT)1.0;
xForm.eM21 = (FLOAT)-1.0;
xForm.eM22 = (FLOAT)0.0;
// Rotate Source (left, top) to (right, top)
int nTmp = rectSource.right;
rectSource.right = rectSource.left;
rectSource.left = nTmp;
}
xForm.eDx = (FLOAT)0.0;
xForm.eDy = (FLOAT)0.0;
int nOldGraphicsMode = ::SetGraphicsMode(hdc, GM_ADVANCED);
::SetWorldTransform(hdc, &xForm);
RECT rectTarget = rectSource;
::DPtoLP(hdc, (LPPOINT)&rectTarget, 2);
::DrawText(hdc, bstrText, -1, &rectTarget, DT_LEFT | DT_EDITCONTROL | DT_NOPREFIX | DT_WORDBREAK);
::ModifyWorldTransform(hdc, &xForm, MWT_IDENTITY);
::SetGraphicsMode(hdc, nOldGraphicsMode);
}
else
{
::DrawText(hdc, bstrText, -1, &_mark.lrBounds, DT_LEFT | DT_EDITCONTROL | DT_NOPREFIX | DT_WORDBREAK);
}
if (hFont != NULL)
{
::SelectObject(hdc, hOldFont);
::DeleteObject(hFont);
}
if (nOldBkMode != 0)
::SetBkMode(hdc, nOldBkMode);
if (crOld != CLR_INVALID)
::SetTextColor (hdc, crOld);
::SetROP2(hdc, nOldROP);
if (bstrText)
{
SysFreeString(bstrText);
}
}
LONG CTextAnnotation::GetFontHeight(HDC hdc)
{
LONG lHeight = MulDiv(_mark.lfFont.lfHeight, 96, 72);
//> REVIEW : This needs work, the 1000 below is rather random and should be fixed after Beta1
lHeight = MulDiv(lHeight, 1000, _uCreationScale);
lHeight = max(lHeight, 2);
return lHeight;
}
BSTR CTextAnnotation::GetText()
{
if (_szText == NULL)
return NULL;
int nLen = ::MultiByteToWideChar(CP_ACP, 0, _szText, -1, NULL, NULL);
BSTR bstrResult = ::SysAllocStringLen(NULL, nLen);
if (bstrResult != NULL)
{
::MultiByteToWideChar(CP_ACP, 0, _szText, -1, bstrResult, nLen);
}
return bstrResult;
}
void CTextAnnotation::SetText(BSTR bstrText)
{
UINT nLen = ::WideCharToMultiByte(CP_ACP, 0, bstrText, -1, NULL, 0, NULL, NULL);
if (nLen > _nMaxText)
return;
if (nLen > _uAnoTextLength)
{
if (_szText != NULL)
{
delete [] _szText;
}
_uAnoTextLength = nLen - 1;
_szText = new char[_uAnoTextLength+1];
}
if (_szText)
::WideCharToMultiByte(CP_ACP, 0, bstrText, -1, _szText, nLen, NULL, NULL);
}
void CTextAnnotation::Rotate(int nNewImageWidth, int nNewImageHeight, BOOL bClockwise)
{
RECT rect = _mark.lrBounds;
RotateHelper((LPPOINT)&rect, 2, nNewImageWidth, nNewImageHeight, bClockwise);
_mark.lrBounds = rect;
NormalizeRect(&_mark.lrBounds);
if (bClockwise)
_nCurrentOrientation += 2700;
else
_nCurrentOrientation += 900;
_nCurrentOrientation = _nCurrentOrientation % 3600;
}
HRESULT CTextAnnotation::_WriteBlocks(SIZE_T &cbSize, LPBYTE pBuffer)
{
cbSize = _WriteTextBlock(pBuffer,
6,
_nCurrentOrientation,
_uCreationScale,
_szText,
_nMaxText);
return S_OK;
}
CTypedTextMark::CTypedTextMark (ANNOTATIONDESCRIPTOR *pDescriptor, ULONG uCreationScale)
: CTextAnnotation(pDescriptor, uCreationScale)
{
}
CFileTextMark::CFileTextMark (ANNOTATIONDESCRIPTOR *pDescriptor, ULONG uCreationScale)
: CTextAnnotation(pDescriptor, uCreationScale)
{
}
CTextStampMark::CTextStampMark (ANNOTATIONDESCRIPTOR *pDescriptor, ULONG uCreationScale)
: CTextAnnotation(pDescriptor, uCreationScale, 255)
{
}
CAttachNoteMark::CAttachNoteMark (ANNOTATIONDESCRIPTOR *pDescriptor, ULONG uCreationScale)
: CTextAnnotation(pDescriptor, uCreationScale, 65536, true)
{
}
Reference in a new issue Copy permalink