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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291
Native/Inject/IconCache.cpp
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291
Native/Inject/IconCache.cpp
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// IconCache.cpp : Implementation of cIconCache
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#include "stdafx.h"
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#include "Inject.h"
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#include "IconCache.h"
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#include "Manager.h"
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//Moputu - 05172002: Added long lColor to make icons with different colored borders unique.
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bool cIconCache::findIcon( HMODULE hMod, DWORD dwFile, cIconCache::cIconBuffer *&pBuffer, int &nIndex, long lColor )
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{
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for( cIconBufferList::iterator i = m_icons.begin(); i != m_icons.end(); )
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{
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VARIANT_BOOL bLost;
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i->m_pSurface->get_WasLost( &bLost );
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if( bLost )
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{
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i = m_icons.erase( i );
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continue;
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}
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// Search inside this buffer
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for( cIDList::iterator j = i->m_icons.begin(); j != i->m_icons.end(); ++ j )
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{
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//if( j->m_hMod == hMod && j->m_dwID == dwFile ) // Original Code
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if( j->m_hMod == hMod && j->m_dwID == dwFile && j->m_lBColor == lColor )
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{
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// We found the icon, return happy
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pBuffer = &( *i );
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nIndex = j - i->m_icons.begin();
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return true;
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}
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}
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++ i;
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}
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// Icon not found
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return false;
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}
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void cIconCache::findFreeSlot( cIconBuffer *&pBuffer, int &nIndex )
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{
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// First find a buffer with an unused icon slot, note that we test
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// the buffers
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for( cIconBufferList::iterator i = m_icons.begin(); i != m_icons.end(); )
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{
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VARIANT_BOOL bLost;
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i->m_pSurface->get_WasLost( &bLost );
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if( bLost )
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{
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i = m_icons.erase( i );
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continue;
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}
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if( i->m_icons.size() < ( m_nEdge * m_nEdge ) )
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break;
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++ i;
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}
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if( i == m_icons.end() )
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{
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// There were no surfaces with free slots, make a new one
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cIconBuffer buf;
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buf.m_icons.reserve( m_nEdge * m_nEdge );
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SIZE sz = { m_szIcon.cx * m_nEdge, m_szIcon.cy * m_nEdge };
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cManager::_p->CreateCanvas( &sz, &buf.m_pSurface );
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m_icons.push_back( buf );
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// Reset to last entry
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i = -- m_icons.end();
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}
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pBuffer = &( *i );
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nIndex = i->m_icons.size();
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}
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//Modified by Moputu 05/12/2002 to allow the replacement of icon border colors.
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bool cIconCache::loadIcon( DWORD dwFile, cIconCache::cIconBuffer *&pBuffer, int &nIndex, long lColor )
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{
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findFreeSlot( pBuffer, nIndex );
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struct cColorImage
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{
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DWORD m_dwID,
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m_dwX,
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m_dwY;
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};
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try
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{
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cDatFile::cFile icon = cManager::_p->m_portal.getFile( dwFile );
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cColorImage header;
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icon.read( reinterpret_cast< BYTE * >( &header ), sizeof( cColorImage ) );
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int nXScale, nYScale;
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if( header.m_dwX % m_szIcon.cx != 0 )
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{
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// Bad size - only linear filtering here
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_ASSERT( FALSE );
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return false;
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}
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nXScale = header.m_dwX / m_szIcon.cx;
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if( header.m_dwY % m_szIcon.cy != 0 )
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{
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// Bad size - only linear filtering here
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_ASSERT( FALSE );
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return false;
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}
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nYScale = header.m_dwY / m_szIcon.cy;
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// Can't fail now, transfering bits to the buffer
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POINT ptIconOrg = { ( nIndex % m_nEdge ) * m_szIcon.cx, ( nIndex / m_nEdge ) * m_szIcon.cy };
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RECT rcSrc = { ptIconOrg.x, ptIconOrg.y, ptIconOrg.x + m_szIcon.cx, ptIconOrg.y + m_szIcon.cy };
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DDSURFACEDESC2 desc;
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desc.dwSize = sizeof( DDSURFACEDESC2 );
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CComPtr< IDirectDrawSurface4 > pSurface;
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pBuffer->m_pSurface->GetSurface( IID_IDirectDrawSurface4, reinterpret_cast< void ** >( &pSurface ) );
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pSurface->Lock( &rcSrc, &desc, DDLOCK_WAIT | DDLOCK_SURFACEMEMORYPTR | DDLOCK_WRITEONLY, NULL );
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BYTE srcLine[ 3 * 64 ],
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*pEndLine = srcLine + 3 * header.m_dwX;
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{
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for( int i = 0; i < m_szIcon.cy; ++ i )
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{
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// Read in a line
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icon.read( srcLine, 3 * header.m_dwX );
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icon.skip( 3 * header.m_dwX * ( nYScale - 1 ) );
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WORD *pwDest = reinterpret_cast< WORD * >( reinterpret_cast< BYTE * >( desc.lpSurface ) + desc.lPitch * i );
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for( BYTE *pbSrc = srcLine; pbSrc != pEndLine; pbSrc += 3 * nXScale, ++ pwDest )
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{
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// Check for black (transparent)
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if( ( pbSrc[ 0 ] == 0 && pbSrc[ 1 ] == 0 && pbSrc[ 2 ] == 0 ) ||
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( pbSrc[ 0 ] == 255 && pbSrc[ 1 ] == 255 && pbSrc[ 2 ] == 255 ) )
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// *pwDest = 0x07FF; // Original code
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if( pbSrc[ 0 ] == 255 && pbSrc[ 1 ] == 255 && pbSrc[ 2 ] == 255 ) //Check for White (border)
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{
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if ( lColor == -1 ) // No argument was passed, treat it like the original code would have.
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{
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*pwDest = 0x07FF;
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}
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else //Replace with specified color.
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{
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pBuffer->m_pSurface->DownMixRGB((BYTE)lColor, (BYTE)(lColor >> 8), (BYTE)(lColor >> 16), pwDest);
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}
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}
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else
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{
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*pwDest = 0x07FF;
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}
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else
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{
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pBuffer->m_pSurface->DownMixRGB(pbSrc[0], pbSrc[1], pbSrc[2], pwDest);
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}
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}
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}
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}
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pSurface->Unlock( &rcSrc );
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cIconID iid = { NULL, dwFile, lColor }; //Moputu - 05172002: Added lColor to make icons with different colored borders unique.
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pBuffer->m_icons.push_back( iid );
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// Survived the encounter
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return true;
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}
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catch( ... )
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{
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// Failure, return false at end
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}
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// File not found, fail
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_ASSERT( FALSE );
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return false;
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}
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bool cIconCache::loadIconResource( HMODULE hMod, DWORD dwResourceID, cIconBuffer *&pBuffer, int &nIndex, long lColor )
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{
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HICON hIcon = reinterpret_cast< HICON >( ::LoadImage( hMod, MAKEINTRESOURCE( dwResourceID ), IMAGE_ICON, m_szIcon.cx, m_szIcon.cy, LR_DEFAULTCOLOR ) );
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if( hIcon == NULL )
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return false;
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findFreeSlot( pBuffer, nIndex );
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// TODO: Write a fast version of this function, use GDI for now
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HDC hdc;
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pBuffer->m_pSurface->GetDC( &hdc );
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HBRUSH br = ::CreateSolidBrush( RGB( 0, 255, 255 ) );
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POINT ptIconOrg = { ( nIndex % m_nEdge ) * m_szIcon.cx, ( nIndex / m_nEdge ) * m_szIcon.cy };
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RECT rcSrc = { ptIconOrg.x, ptIconOrg.y, ptIconOrg.x + m_szIcon.cx, ptIconOrg.y + m_szIcon.cy };
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::FillRect( hdc, &rcSrc, br );
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::DrawIconEx( hdc, ptIconOrg.x, ptIconOrg.y, hIcon, m_szIcon.cx, m_szIcon.cy, 0, NULL, DI_NORMAL );
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::DeleteObject( br );
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pBuffer->m_pSurface->ReleaseDC();
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::DestroyIcon( hIcon );
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cIconID iid = { hMod, dwResourceID, lColor }; //Moputu - 05172002: Added long lColor to make icons with different colored borders unique.
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pBuffer->m_icons.push_back( iid );
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return true;
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}
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void cIconCache::drawIcon( LPPOINT pPos, ICanvas *pDest, cIconBuffer *pBuffer, int nIndex )
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{
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_ASSERTE( pPos != NULL );
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_ASSERTE( pDest != NULL );
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_ASSERTE( pBuffer != NULL );
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_ASSERTE( nIndex >= 0 && nIndex < ( m_nEdge * m_nEdge ) );
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POINT ptIconOrg = { ( nIndex % m_nEdge ) * m_szIcon.cx, ( nIndex / m_nEdge ) * m_szIcon.cy };
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RECT rcSrc = { ptIconOrg.x, ptIconOrg.y, ptIconOrg.x + m_szIcon.cx, ptIconOrg.y + m_szIcon.cy };
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pDest->Blt( &rcSrc, pBuffer->m_pSurface, pPos );
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}
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/////////////////////////////////////////////////////////////////////////////
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// cIconCache
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STDMETHODIMP cIconCache::DrawIcon( LPPOINT ppt, long nFile, long nModule, ICanvas *pCanvas )
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{
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_ASSERTE( ppt != NULL );
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_ASSERTE( pCanvas != NULL );
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cIconBuffer *pBuffer;
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int nIndex;
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// GKusnick: Handle no-icon case without asserting.
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if (nModule == 0 && nFile == 0) return S_OK;
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if( !findIcon( reinterpret_cast< HMODULE >( nModule ), *reinterpret_cast< DWORD* >( &nFile ), pBuffer, nIndex ) )
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{
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if( nModule == 0 )
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{
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if( !loadIcon( *reinterpret_cast< DWORD* >( &nFile ), pBuffer, nIndex ) )
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return E_FAIL;
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}
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else
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{
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if( !loadIconResource( reinterpret_cast< HMODULE >( nModule ), *reinterpret_cast< DWORD* >( &nFile ), pBuffer, nIndex ) )
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return E_FAIL;
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}
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}
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drawIcon( ppt, pCanvas, pBuffer, nIndex );
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return S_OK;
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}
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STDMETHODIMP cIconCache::DrawIconEx( LPPOINT ppt, long nFile, long nModule, ICanvas *pCanvas, long lColor )
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{
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_ASSERTE( ppt != NULL );
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_ASSERTE( pCanvas != NULL );
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cIconBuffer *pBuffer;
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int nIndex;
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if( !findIcon( reinterpret_cast< HMODULE >( nModule ), *reinterpret_cast< DWORD* >( &nFile ), pBuffer, nIndex, lColor ) ) //Moputu - 05172002: Added long lColor to make icons with different colored borders unique.
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{
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if( nModule == 0 )
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{
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if( !loadIcon( *reinterpret_cast< DWORD* >( &nFile ), pBuffer, nIndex, lColor ) )
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return E_FAIL;
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}
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else
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{
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if( !loadIconResource( reinterpret_cast< HMODULE >( nModule ), *reinterpret_cast< DWORD* >( &nFile ), pBuffer, nIndex, lColor ) ) //Moputu - 05172002: Added long lColor to make icons with different colored borders unique.
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return E_FAIL;
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}
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}
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drawIcon( ppt, pCanvas, pBuffer, nIndex );
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return S_OK;
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}
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