134 lines
3.1 KiB
C++
134 lines
3.1 KiB
C++
/*--------------------------------------------------------------------------*
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*
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* Microsoft Windows
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* Copyright (C) Microsoft Corporation, 1992 - 000
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*
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* File: xmlicon.cpp
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*
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* Contents: Implementation file for CXMLIcon
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*
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* History: 26-Jul-2000 jeffro Created
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*
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*--------------------------------------------------------------------------*/
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#include "xmlicon.h"
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#include "xmlimage.h"
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#include <atlapp.h>
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#include <atlgdi.h>
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/*+-------------------------------------------------------------------------*
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* ScGetIconSize
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*
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* Returns the width/height of a given icon (the width and height of icons
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* are always equal).
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*--------------------------------------------------------------------------*/
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SC ScGetIconSize (HICON hIcon, int& nIconSize)
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{
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DECLARE_SC (sc, _T("ScGetIconSize"));
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ICONINFO ii;
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if (!GetIconInfo (hIcon, &ii))
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return (sc.FromLastError());
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/*
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* GetIconInfo creates bitmaps that we're responsible for deleting;
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* attach the bitmaps to smart objects so cleanup is assured
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*/
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WTL::CBitmap bmMask = ii.hbmMask;
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WTL::CBitmap bmColor = ii.hbmColor;
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/*
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* get the dimensions of the mask bitmap (don't use the color bitmap,
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* since that's not present for monochrome icons)
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*/
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BITMAP bmData;
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if (!bmMask.GetBitmap (bmData))
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return (sc.FromLastError());
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nIconSize = bmData.bmWidth;
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return (sc);
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}
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/*+-------------------------------------------------------------------------*
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* CXMLIcon::Persist
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*
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* Saves/loads a CXMLIcon to a CPersistor.
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*--------------------------------------------------------------------------*/
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void CXMLIcon::Persist (CPersistor &persistor)
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{
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DECLARE_SC (sc, _T("CXMLIcon::Persist"));
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CXMLImageList iml;
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try
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{
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if (persistor.IsStoring())
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{
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ASSERT (operator HICON() != NULL);
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/*
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* find out how big the icon is
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*/
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int cxIcon;
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sc = ScGetIconSize (*this, cxIcon);
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if (sc)
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sc.Throw();
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/*
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* create an imagelist to accomodate it
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*/
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if (!iml.Create (cxIcon, cxIcon, ILC_COLOR16 | ILC_MASK, 1, 1))
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sc.FromLastError().Throw();
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/*
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* add the icon to the imagelist
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*/
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if (iml.AddIcon(*this) == -1)
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sc.FromLastError().Throw();
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}
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iml.Persist (persistor);
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if (persistor.IsLoading())
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{
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/*
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* extract the icon from the imagelist
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*/
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Attach (iml.GetIcon (0));
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}
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}
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catch (...)
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{
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/*
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* WTL::CImageList doesn't auto-destroy its HIMAGELIST, so we have to do it manually
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*/
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iml.Destroy();
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throw;
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}
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/*
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* WTL::CImageList doesn't auto-destroy its HIMAGELIST, so we have to do it manually
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*/
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iml.Destroy();
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}
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/*+-------------------------------------------------------------------------*
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* CXMLIcon::GetBinaryEntryName
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*
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* Returns the name to be attached to this CXMLIcon's entry in the XML
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* binary data collection.
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*--------------------------------------------------------------------------*/
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LPCTSTR CXMLIcon::GetBinaryEntryName()
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{
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if (m_strBinaryEntryName.empty())
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return (NULL);
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return (m_strBinaryEntryName.data());
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}
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