134 lines
4.8 KiB
C++
134 lines
4.8 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1999 - 1999
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//
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// File: dispobj.cpp
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//
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//--------------------------------------------------------------------------
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// DispObj.cpp : Implementation of CMMCDisplayObject
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#include "stdafx.h"
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#include "cic.h"
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#include "DispObj.h"
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#include "mmc.h"
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#include <wtypes.h>
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/////////////////////////////////////////////////////////////////////////////
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// CMMCDisplayObject
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CMMCDisplayObject::CMMCDisplayObject()
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{
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m_type = MMC_TASK_DISPLAY_UNINITIALIZED;
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m_bstrFontFamilyName =
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m_bstrURLtoEOT =
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m_bstrSymbolString =
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m_bstrMouseOffBitmap =
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m_bstrMouseOverBitmap = NULL;
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}
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CMMCDisplayObject::~CMMCDisplayObject()
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{
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if (m_bstrFontFamilyName) SysFreeString(m_bstrFontFamilyName);
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if (m_bstrURLtoEOT) SysFreeString(m_bstrURLtoEOT);
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if (m_bstrSymbolString) SysFreeString(m_bstrSymbolString);
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if (m_bstrMouseOffBitmap) SysFreeString(m_bstrMouseOffBitmap);
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if (m_bstrMouseOverBitmap) SysFreeString(m_bstrMouseOverBitmap);
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}
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STDMETHODIMP CMMCDisplayObject::get_DisplayObjectType(long* pVal)
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{
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*pVal = m_type;
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return S_OK;
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}
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STDMETHODIMP CMMCDisplayObject::get_FontFamilyName (BSTR* pVal)
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{
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if (m_bstrFontFamilyName)
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*pVal = SysAllocString ((const OLECHAR *)m_bstrFontFamilyName);
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return S_OK;
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}
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STDMETHODIMP CMMCDisplayObject::get_URLtoEOT (BSTR* pVal)
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{
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if (m_bstrURLtoEOT)
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*pVal = SysAllocString ((const OLECHAR *)m_bstrURLtoEOT);
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return S_OK;
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}
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STDMETHODIMP CMMCDisplayObject::get_SymbolString (BSTR* pVal)
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{
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if (m_bstrSymbolString)
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*pVal = SysAllocString ((const OLECHAR *)m_bstrSymbolString);
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return S_OK;
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}
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STDMETHODIMP CMMCDisplayObject::get_MouseOffBitmap (BSTR* pVal)
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{
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if (m_bstrMouseOffBitmap)
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*pVal = SysAllocString ((const OLECHAR *)m_bstrMouseOffBitmap);
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return S_OK;
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}
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STDMETHODIMP CMMCDisplayObject::get_MouseOverBitmap (BSTR* pVal)
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{
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if (m_bstrMouseOverBitmap)
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*pVal = SysAllocString ((const OLECHAR *)m_bstrMouseOverBitmap);
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return S_OK;
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}
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HRESULT CMMCDisplayObject::Init(MMC_TASK_DISPLAY_OBJECT* pdo)
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{
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_ASSERT (m_type == MMC_TASK_DISPLAY_UNINITIALIZED);
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if (m_type != MMC_TASK_DISPLAY_UNINITIALIZED)
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return E_UNEXPECTED; // only allowed in here once
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switch (m_type = pdo->eDisplayType) {
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default:
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case MMC_TASK_DISPLAY_UNINITIALIZED:
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// _ASSERT (0 && "uninitialized MMC_TASK_DISPLAY_OBJECT struct");
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return E_INVALIDARG;
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case MMC_TASK_DISPLAY_TYPE_SYMBOL: // fontname, EOT, symbols
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// all three fields MUST be filled out
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_ASSERT (pdo->uSymbol.szFontFamilyName && pdo->uSymbol.szURLtoEOT && pdo->uSymbol.szSymbolString);
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if (!(pdo->uSymbol.szFontFamilyName && pdo->uSymbol.szURLtoEOT && pdo->uSymbol.szSymbolString))
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return E_INVALIDARG;
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m_bstrFontFamilyName = SysAllocString (pdo->uSymbol.szFontFamilyName);
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m_bstrURLtoEOT = SysAllocString (pdo->uSymbol.szURLtoEOT);
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m_bstrSymbolString = SysAllocString (pdo->uSymbol.szSymbolString);
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if (m_bstrFontFamilyName && m_bstrURLtoEOT && m_bstrSymbolString)
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return S_OK;
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return E_OUTOFMEMORY;
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break;
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case MMC_TASK_DISPLAY_TYPE_VANILLA_GIF: // (GIF) index 0 is transparent
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case MMC_TASK_DISPLAY_TYPE_CHOCOLATE_GIF: // (GIF) index 1 is transparent
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case MMC_TASK_DISPLAY_TYPE_BITMAP: // non-transparent raster
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if ( pdo->uBitmap.szMouseOffBitmap &&
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pdo->uBitmap.szMouseOverBitmap ){
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// if they both exist, like they're supposed to
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m_bstrMouseOffBitmap = SysAllocString (pdo->uBitmap.szMouseOffBitmap);
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m_bstrMouseOverBitmap = SysAllocString (pdo->uBitmap.szMouseOverBitmap);
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} else if (pdo->uBitmap.szMouseOverBitmap) {
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// if only MouseOver image exists:
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// not too bad since it's probably color
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m_bstrMouseOffBitmap = SysAllocString (pdo->uBitmap.szMouseOverBitmap);
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m_bstrMouseOverBitmap = SysAllocString (pdo->uBitmap.szMouseOverBitmap);
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} else if (pdo->uBitmap.szMouseOffBitmap) {
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// if only MouseOff image exists:
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// they're being bad, but not too bad
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m_bstrMouseOffBitmap = SysAllocString (pdo->uBitmap.szMouseOffBitmap);
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m_bstrMouseOverBitmap = SysAllocString (pdo->uBitmap.szMouseOffBitmap);
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} else {
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// else they're really bad
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_ASSERT (0 && "MMC_TASK_DISPLAY_BITMAP uninitialized");
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return E_INVALIDARG;
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}
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if (m_bstrMouseOffBitmap && m_bstrMouseOverBitmap)
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return S_OK;
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return E_OUTOFMEMORY;
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break;
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}
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return E_UNEXPECTED; // can't get here
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}
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