220 lines
8 KiB
C
220 lines
8 KiB
C
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//---------------------------------------------------------------------------
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// Render.h - implements the themed drawing services
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//---------------------------------------------------------------------------
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#pragma once
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//---------------------------------------------------------------------------
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#include "SimpStr.h"
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#include "loader.h"
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#include "ThemeFile.h"
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#include "NtlEng.h"
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//---------------------------------------------------------------------------
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#define FONTCOMPARE(f1, f2) ((memcmp(&(f1), &(f2), sizeof(LOGFONT)-LF_FACESIZE)==0) \
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&& (lstrcmpi((f1).lfFaceName, (f2).lfFaceName)==0))
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//---------------------------------------------------------------------------
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#define DEFAULT_TRANSPARENT_COLOR RGB(255, 0, 255)
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//---------------------------------------------------------------------------
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class CRenderCache; // forward
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class CDrawBase; // forward
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class CTextDraw; // forward
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struct BRUSHBUFF; // forward
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//---------------------------------------------------------------------------
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struct PARTINFO
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{
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int iMaxState;
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CDrawBase *pDrawObj; // DrawObj[0]
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CTextDraw *pTextObj; // TextObj[0]
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CDrawBase **pStateDrawObjs; // DrawObjs[1..iMaxState]
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CTextDraw **pStateTextObjs; // TextObjs[1..iMaxState]
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};
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//---------------------------------------------------------------------------
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class CRenderObj : public INtlEngCallBack
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{
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public:
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CRenderObj(CUxThemeFile *pThemeFile, int iCacheSlot, int iThemeOffset, int iClassNameOffset,
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__int64 iUniqueId, BOOL fEnableCache, DWORD dwOtdFlags);
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~CRenderObj();
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HRESULT Init(CDrawBase *pBaseObj, CTextDraw *pTextObj); // must be called after constructor
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HRESULT CreateImageBrush(HDC hdc, int IPartId, int iStateId, int iImageIndex, HBRUSH *phbr);
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BOOL ValidateObj();
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public:
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//---- information methods ----
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HRESULT WINAPI GetColor(int iPartId, int iStateId, int iPropId, COLORREF *pColor);
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HRESULT WINAPI GetMetric(OPTIONAL HDC hdc, int iPartId, int iStateId, int iPropId, int *piVal);
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HRESULT WINAPI GetString(int iPartId, int iStateId, int iPropId, LPWSTR pszBuff, DWORD dwMaxBuffChars);
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HRESULT WINAPI GetBool(int iPartId, int iStateId, int iPropId, BOOL *pfVal);
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HRESULT WINAPI GetInt(int iPartId, int iStateId, int iPropId, int *piVal);
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HRESULT WINAPI GetEnumValue(int iPartId, int iStateId, int iPropId, int *piVal);
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HRESULT WINAPI GetPosition(int iPartId, int iStateId, int iPropId, POINT *pPoint);
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HRESULT WINAPI GetFont(OPTIONAL HDC hdc, int iPartId, int iStateId, int iPropId, BOOL fWantHdcScaling,
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LOGFONT *pFont);
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HRESULT WINAPI GetMargins(OPTIONAL HDC hdc, int iPartId, int iStateId, int iPropId,
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OPTIONAL RECT *prc, MARGINS *pMargins);
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HRESULT WINAPI GetIntList(int iPartId, int iStateId, int iPropId, INTLIST *pIntList);
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HRESULT WINAPI GetRect(int iPartId, int iStateId, int iPropId, RECT *pRect);
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HRESULT WINAPI GetFilename(int iPartId, int iStateId, int iPropId, LPWSTR pszBuff, DWORD dwMaxBuffChars);
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HRESULT WINAPI GetPropertyOrigin(int iPartId, int iStateId, int iPropId, PROPERTYORIGIN *pOrigin);
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BOOL WINAPI IsPartDefined(int iPartId, int iStateId);
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HRESULT GetFilenameOffset(int iPartId, int iStateId, int iPropId, int *piFileNameOffset);
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HRESULT GetBitmap(HDC hdc, int iDibOffset, OUT HBITMAP *pBitmap);
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HRESULT GetScaledFontHandle(HDC hdc, LOGFONT *plf, HFONT *phFont);
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void ReturnBitmap(HBITMAP hBitmap);
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void ReturnFontHandle(HFONT hFont);
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HRESULT FindGlobalDrawObj(BYTE *pb, int iPartId, int iStateId, CDrawBase **ppObj);
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HRESULT GetGlobalDrawObj(int iPartId, int iStateId, CDrawBase **ppObj);
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HRESULT SetDpiOverride(int iDpiOverride);
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int GetDpiOverride();
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//---------------------------------------------------------------------------
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inline HRESULT GetDrawObj(int iPartId, int iStateId, CDrawBase **ppObj)
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{
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HRESULT hr = S_OK;
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if (! _pParts)
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{
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hr = MakeError32(E_FAIL);
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}
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else
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{
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if ((iPartId < 0) || (iPartId > _iMaxPart))
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iPartId = 0;
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PARTINFO *ppi = &_pParts[iPartId];
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if (! ppi->pStateDrawObjs) // good to go
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{
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*ppObj = ppi->pDrawObj;
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}
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else
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{
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if ((iStateId < 0) || (iStateId > ppi->iMaxState))
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iStateId = 0;
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if (! iStateId)
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*ppObj = ppi->pDrawObj;
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else
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*ppObj = ppi->pStateDrawObjs[iStateId-1];
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}
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if (! *ppObj)
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{
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Log(LOG_ERROR, L"GetDrawObj() returned NULL");
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hr = MakeError32(E_FAIL);
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}
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}
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return hr;
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}
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//---------------------------------------------------------------------------
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inline HRESULT GetTextObj(int iPartId, int iStateId, CTextDraw **ppObj)
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{
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HRESULT hr = S_OK;
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if (! _pParts)
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{
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hr = MakeError32(E_FAIL);
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}
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else
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{
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if ((iPartId < 0) || (iPartId > _iMaxPart))
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iPartId = 0;
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PARTINFO *ppi = &_pParts[iPartId];
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if (! ppi->pStateTextObjs) // good to go
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{
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*ppObj = ppi->pTextObj;
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}
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else
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{
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if ((iStateId < 0) || (iStateId > ppi->iMaxState))
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iStateId = 0;
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if (! iStateId)
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*ppObj = ppi->pTextObj;
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else
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*ppObj = ppi->pStateTextObjs[iStateId-1];
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}
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if (! *ppObj)
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{
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Log(LOG_ERROR, L"GetTextObj() returned NULL");
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hr = MakeError32(E_FAIL);
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}
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}
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return hr;
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}
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//---------------------------------------------------------------------------
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inline bool IsReady()
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{
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if (_pThemeFile)
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{
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return _pThemeFile->IsReady();
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}
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return true;
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}
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//---------------------------------------------------------------------------
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int GetValueIndex(int iPartId, int iStateId, int iTarget);
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HRESULT PrepareRegionDataForScaling(RGNDATA *pRgnData, LPCRECT prcImage, MARGINS *pMargins);
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protected:
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//---- helpers ----
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HRESULT GetData(int iPartId, int iStateId, int iPropId, BYTE **ppDibData,
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OPTIONAL int *piDibSize=NULL);
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CRenderCache *GetTlsCacheObj();
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HRESULT WalkDrawObjects(MIXEDPTRS &u, int *iPartOffsets);
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HRESULT WalkTextObjects(MIXEDPTRS &u, int *iPartOffsets);
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HRESULT CreateBitmapFromData(HDC hdc, int iDibOffset, OUT HBITMAP *phBitmap);
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HRESULT BuildPackedPtrs(CDrawBase *pBaseObj, CTextDraw *pTextObj);
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HRESULT PrepareAlphaBitmap(HBITMAP hBitmap);
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public:
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//---- data ----
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char _szHead[8];
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//---- object id ----
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CUxThemeFile *_pThemeFile; // holds a refcnt on the binary theme file
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int _iCacheSlot; // our index into thread local cache list
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__int64 _iUniqueId; // used to validate cache objects against render objects
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//---- cached info from theme ----
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BYTE *_pbThemeData; // ptr to start of binary theme data
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BYTE *_pbSectionData; // ptr to our section of binary theme data
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BOOL _fCacheEnabled;
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BOOL _fCloseThemeFile;
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THEMEMETRICS *_ptm; // ptr to theme metrics
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LPCWSTR _pszClassName; // ptr to class name we matched to create this obj
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//---- direct ptrs to packed structs ----
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int _iMaxPart;
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PARTINFO *_pParts; // [0.._MaxPart]
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//---- OpenThemeData override flags ----
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DWORD _dwOtdFlags;
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int _iDpiOverride;
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char _szTail[4];
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};
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//---------------------------------------------------------------------------
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HRESULT CreateRenderObj(CUxThemeFile *pThemeFile, int iCacheSlot, int iThemeOffset,
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int iClassNameOffset, __int64 iUniqueId, BOOL fEnableCache, CDrawBase *pBaseObj,
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CTextDraw *pTextObj, DWORD dwOtdFlags, CRenderObj **ppObj);
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//---------------------------------------------------------------------------
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