Initial commit: Complete open-source Decal rebuild
All 5 phases of the open-source Decal rebuild: Phase 1: 14 decompiled .NET projects (Interop.*, Adapter, FileService, DecalUtil) Phase 2: 10 native DLLs rewritten as C# COM servers with matching GUIDs - DecalDat, DHS, SpellFilter, DecalInput, DecalNet, DecalFilters - Decal.Core, DecalControls, DecalRender, D3DService Phase 3: C++ shims for Inject.DLL (D3D9 hooking) and LauncherHook.DLL Phase 4: DenAgent WinForms tray application Phase 5: WiX installer and build script 25 C# projects building with 0 errors. Native C++ projects require VS 2022 + Windows SDK (x86). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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erik
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284
Native/Inject/FontCache.cpp
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284
Native/Inject/FontCache.cpp
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// FontCache.cpp : Implementation of cFontCache
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#include "stdafx.h"
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#include "Inject.h"
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#include "FontCache.h"
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#include "Manager.h"
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/////////////////////////////////////////////////////////////////////////////
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// cFontCache
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cFontCache::~cFontCache()
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{
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cManager::_p->removeFont( this );
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}
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#define BUFFER_WIDTHCHARS 32
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#define BUFFER_HEIGHTCHARS 8
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#define BUFFER_CHARCOUNT (BUFFER_WIDTHCHARS * BUFFER_HEIGHTCHARS)
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bool cFontCache::checkBuffer()
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{
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if( m_pBuffer.p )
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{
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VARIANT_BOOL bWasLost;
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m_pBuffer->get_WasLost( &bWasLost );
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if( bWasLost )
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m_pBuffer.Release();
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}
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if( m_pBuffer.p )
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// The character buff is intact
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return true;
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// Get a dummy DC from the primary surface
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CComPtr< ICanvas > pSurf;
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if( FAILED(cManager::_p->GetPrimarySurface( &pSurf )) )
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return false;
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// Madar: This can happen if you set an edit-text during plugin initialization.
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if (!pSurf)
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{
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return false;
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}
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HDC hdc;
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pSurf->GetDC( &hdc );
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// Drakier: reset error, try to create font, then check for error.
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SetLastError(ERROR_SUCCESS);
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HFONT hfnt = ::CreateFontIndirect( &m_lf );
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if (GetLastError() != ERROR_SUCCESS)
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{
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_ASSERTE(GetLastError());
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// Drakier: try arial instead
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strcpy(m_lf.lfFaceName, "Arial");
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SetLastError(ERROR_SUCCESS);
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HFONT hfnt = ::CreateFontIndirect( &m_lf );
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if (GetLastError() != ERROR_SUCCESS)
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return false;
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}
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HFONT hfntOld = reinterpret_cast< HFONT >( ::SelectObject( hdc, hfnt ) );
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TEXTMETRIC tm;
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::GetTextMetrics( hdc, &tm );
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m_szCharCell.cy = tm.tmHeight;
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m_szCharCell.cx = tm.tmMaxCharWidth;
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// Create the buffer
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SIZE szBuffer = { m_szCharCell.cx * BUFFER_WIDTHCHARS, m_szCharCell.cy * BUFFER_HEIGHTCHARS };
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cManager::_p->CreateCanvas( &szBuffer, &m_pBuffer );
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INT widths[ BUFFER_CHARCOUNT ];
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BOOL b = ::GetCharWidth( hdc, 0, ( BUFFER_CHARCOUNT - 1 ), widths );
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_ASSERTE( b );
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DWORD dwError = ::GetLastError();
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for( short nChar = 0; nChar < BUFFER_CHARCOUNT; ++ nChar )
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{
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// TODO: Render the chars
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// Figure out the character cell size
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m_nWidths[ nChar ].m_nWidth = widths[ nChar ];
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}
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// TODO: Render all the chars into the buffer
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::SelectObject( hdc, hfntOld );
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::DeleteObject( hfnt );
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pSurf->ReleaseDC();
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return true;
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}
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STDMETHODIMP cFontCache::DrawText( LPPOINT ppt, BSTR strText, long clr, ICanvas *pCanvas )
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{
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/* _ASSERTE( ppt != NULL );
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_ASSERTE( strText != NULL );
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_ASSERTE( pCanvas != NULL );
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if( !checkBuffer() )
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return E_FAIL;
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USES_CONVERSION;
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LPCTSTR szText = OLE2T( strText );
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// TODO: Draw this a lot faster from a cached bitmap value
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HDC hdc;
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pCanvas->GetDC( &hdc );
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// Draw the text
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HFONT hfnt = ::CreateFontIndirect( &m_lf ),
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hfntOld = reinterpret_cast< HFONT >( ::SelectObject( hdc, hfnt ) );
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::SetBkMode( hdc, TRANSPARENT );
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::SetTextColor( hdc, clr );
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::SetTextAlign( hdc, TA_TOP | TA_LEFT );
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LPCSTR szAnsi = OLE2A( strText );
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int cbLength = ::strlen( szAnsi );
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INT *pDeltas = new INT[ cbLength ];
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// Fill in the character deltas
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const char *i_src = szAnsi;
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INT *i_end_deltas = pDeltas + cbLength;
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for( INT *i_delta = pDeltas; i_delta != i_end_deltas; ++ i_delta, ++ i_src )
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*i_delta = m_nWidths[ *i_src ].m_nWidth;
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if( m_bFontSmoothing )
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SystemParametersInfo( SPI_SETFONTSMOOTHING, FALSE, NULL, 0 );
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::ExtTextOut( hdc, ppt->x, ppt->y, 0, NULL, szAnsi, cbLength, pDeltas );
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if( m_bFontSmoothing )
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SystemParametersInfo( SPI_SETFONTSMOOTHING, TRUE, NULL, 0 );
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delete[] pDeltas;
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::SelectObject( hdc, hfntOld );
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::DeleteObject( hfnt );
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pCanvas->ReleaseDC();
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return S_OK;*/
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return DrawTextEx( ppt, strText, clr, 0, 0, pCanvas );
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}
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STDMETHODIMP cFontCache::DrawTextEx( LPPOINT ppt, BSTR strText, long clr1, long clr2, long lFlags, ICanvas *pCanvas )
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{
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_ASSERTE( ppt != NULL );
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_ASSERTE( strText != NULL );
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_ASSERTE( pCanvas != NULL );
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if( !checkBuffer() )
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return E_FAIL;
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USES_CONVERSION;
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LPCTSTR szText = OLE2T( strText );
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// TODO: Draw this a lot faster from a cached bitmap value
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HDC hdc;
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pCanvas->GetDC( &hdc );
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// Draw the text
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// Drakier: reset error, try to create font, then check for error.
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SetLastError(ERROR_SUCCESS);
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HFONT hfnt = ::CreateFontIndirect( &m_lf );
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if (GetLastError() != ERROR_SUCCESS)
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{
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_ASSERTE(GetLastError());
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// Drakier: try arial instead
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strcpy(m_lf.lfFaceName, "Arial");
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SetLastError(ERROR_SUCCESS);
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HFONT hfnt = ::CreateFontIndirect( &m_lf );
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if (GetLastError() != ERROR_SUCCESS)
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return E_FAIL;
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}
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HFONT hfntOld = reinterpret_cast< HFONT >( ::SelectObject( hdc, hfnt ) );
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::SetBkMode( hdc, TRANSPARENT );
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::SetTextAlign( hdc, TA_TOP | TA_LEFT );
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LPCSTR szAnsi = OLE2A( strText );
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int cbLength = ::strlen( szAnsi );
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INT *pDeltas = new INT[ cbLength ];
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// Fill in the character deltas
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const char *i_src = szAnsi;
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INT *i_end_deltas = pDeltas + cbLength;
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for( INT *i_delta = pDeltas; i_delta != i_end_deltas; ++ i_delta, ++ i_src )
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*i_delta = m_nWidths[ *i_src ].m_nWidth;
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if( !(lFlags & eAA) )
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if( m_bFontSmoothing )
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SystemParametersInfo( SPI_SETFONTSMOOTHING, FALSE, NULL, 0 );
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if( lFlags & eOutlined )
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{
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::SetTextColor( hdc, clr2 );
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::ExtTextOut( hdc, ppt->x - 1, ppt->y - 1, 0, NULL, szAnsi, cbLength, pDeltas );
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::ExtTextOut( hdc, ppt->x - 1, ppt->y + 1, 0, NULL, szAnsi, cbLength, pDeltas );
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::ExtTextOut( hdc, ppt->x + 1, ppt->y - 1, 0, NULL, szAnsi, cbLength, pDeltas );
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::ExtTextOut( hdc, ppt->x + 1, ppt->y + 1, 0, NULL, szAnsi, cbLength, pDeltas );
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}
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::SetTextColor( hdc, clr1 );
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::ExtTextOut( hdc, ppt->x, ppt->y, 0, NULL, szAnsi, cbLength, pDeltas );
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if( !(lFlags & eAA) )
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if( m_bFontSmoothing )
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SystemParametersInfo( SPI_SETFONTSMOOTHING, TRUE, NULL, 0 );
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delete[] pDeltas;
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::SelectObject( hdc, hfntOld );
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::DeleteObject( hfnt );
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pCanvas->ReleaseDC();
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return S_OK;
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}
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STDMETHODIMP cFontCache::MeasureText( BSTR strText, LPSIZE pszExt )
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{
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_ASSERTE( strText != NULL );
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_ASSERTE( pszExt != NULL );
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if( !checkBuffer() )
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return E_FAIL;
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USES_CONVERSION;
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LPCSTR szText = OLE2T( strText ),
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i_end_text = szText + strlen( szText );
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pszExt->cy = m_szCharCell.cy;
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pszExt->cx = 0;
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for( LPCSTR i_text = szText; i_text != i_end_text; ++ i_text )
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pszExt->cx += m_nWidths[ *i_text ].m_nWidth;
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return S_OK;
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}
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STDMETHODIMP cFontCache::HitTest(BSTR szText, long nPos, long *nIndex)
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{
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_ASSERTE( szText != NULL );
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_ASSERTE( nIndex != NULL );
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if( !checkBuffer() )
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return E_FAIL;
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USES_CONVERSION;
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LPCSTR szAText = OLE2T( szText ),
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i_end_text = szAText + strlen( szAText );
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for( LPCSTR i_text = szAText; i_text != i_end_text; ++ i_text )
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{
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short nWidth = m_nWidths[ *i_text ].m_nWidth;
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if( nPos < nWidth )
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{
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*nIndex = ( i_text - szAText );
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return S_OK;
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}
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nPos -= nWidth;
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}
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*nIndex = -1;
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return S_OK;
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}
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