595 lines
13 KiB
C++
595 lines
13 KiB
C++
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/*++
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Copyright (C) 1996-1999 Microsoft Corporation
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Module Name:
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colefont.cpp
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Abstract:
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Font class.
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--*/
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#include "polyline.h"
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#include "utils.h"
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#include "smonctrl.h"
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#include "unihelpr.h"
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#include "COleFont.h"
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#pragma warning ( disable : 4355 ) // "this" used in initializer list
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const LPWSTR COleFont::m_cwszDefaultFaceName = L"MS Shell Dlg";
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const INT COleFont::m_iDefaultTmHeight = 13;
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const SHORT COleFont::m_iDefaultTmWeight = 400;
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const INT COleFont::m_iDefaultRiPxlsPerInch = 96;
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COleFont::COleFont (
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CSysmonControl *pCtrl
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)
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: m_NotifySink( this )
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{
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m_pIFont = NULL;
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m_pIFontBold = NULL;
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m_pCtrl = pCtrl;
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m_pIConnPt = NULL;
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}
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#pragma warning ( default : 4355 ) // "this" used in initializer list
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COleFont::~COleFont (
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void
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)
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{
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// Release current connection point
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if (m_pIConnPt) {
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m_pIConnPt->Unadvise(m_dwCookie);
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ReleaseInterface(m_pIConnPt);
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}
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// Release fonts
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ReleaseInterface(m_pIFont);
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ReleaseInterface(m_pIFontBold);
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return;
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}
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void
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COleFont::InitDefaultFontDesc (
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FONTDESC& rFontDesc,
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INT& riPxlsPerInch,
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WCHAR achFaceName[LF_FACESIZE+1])
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{
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TEXTMETRIC TextMetrics;
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HFONT hFontOld;
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HDC hDC;
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USES_CONVERSION
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// Todo: Must define proper default values, move them to resources
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// for localization.
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ZeroMemory ( &rFontDesc, sizeof ( FONTDESC ) );
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// Select default font
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hDC = GetDC(NULL);
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if ( NULL != hDC ) {
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hFontOld = SelectFont(hDC, (HFONT)GetStockObject(DEFAULT_GUI_FONT));
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// Get face name and size
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GetTextMetrics(hDC, &TextMetrics);
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GetTextFaceW(hDC, LF_FACESIZE, achFaceName);
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// Get pixels per inch
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riPxlsPerInch = GetDeviceCaps(hDC, LOGPIXELSY);
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// Create a default font
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rFontDesc.lpstrName = achFaceName;
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rFontDesc.cySize.int64 = ((TextMetrics.tmHeight * 72) / riPxlsPerInch) * 10000;
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rFontDesc.sWeight = (short)TextMetrics.tmWeight;
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SelectFont(hDC, hFontOld);
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ReleaseDC(NULL, hDC);
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} else {
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riPxlsPerInch = m_iDefaultRiPxlsPerInch;
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lstrcpyW ( achFaceName, m_cwszDefaultFaceName );
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// Create a default font
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rFontDesc.lpstrName = achFaceName;
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rFontDesc.cySize.int64 = ((m_iDefaultTmHeight * 72) / m_iDefaultRiPxlsPerInch) * 10000;
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rFontDesc.sWeight = m_iDefaultTmWeight;
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}
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rFontDesc.cbSizeofstruct = sizeof(rFontDesc);
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rFontDesc.sCharset = DEFAULT_CHARSET;
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rFontDesc.fItalic = 0;
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rFontDesc.fUnderline = 0;
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rFontDesc.fStrikethrough = 0;
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return;
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}
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HRESULT COleFont::Init (
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VOID
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)
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{
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HRESULT hr;
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FONTDESC fontDesc;
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WCHAR achFontFaceName[LF_FACESIZE+1];
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LPFONT pIFont;
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INT iPxlsPerInch;
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InitDefaultFontDesc ( fontDesc, iPxlsPerInch, achFontFaceName );
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hr = OleCreateFontIndirect(&fontDesc, IID_IFont, (void**)&pIFont);
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if (FAILED(hr))
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return hr;
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pIFont->SetRatio(iPxlsPerInch, HIMETRIC_PER_INCH);
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hr = SetIFont(pIFont);
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pIFont->Release();
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return hr;
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}
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STDMETHODIMP COleFont::SetIFont(
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LPFONT pIFont
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)
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{
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HRESULT hr;
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IConnectionPointContainer *pIConnPtCont;
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IPropertyNotifySink *pISink;
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// Release current connection point
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if (m_pIConnPt) {
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m_pIConnPt->Unadvise(m_dwCookie);
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ReleaseInterface(m_pIConnPt);
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}
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// Release current fonts
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ReleaseInterface(m_pIFont);
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ReleaseInterface(m_pIFontBold);
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// Addref and hold new IFont
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m_pIFont = pIFont;
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m_pIFont->AddRef();
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// Get it's property notify connection point
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hr = pIFont->QueryInterface(IID_IConnectionPointContainer, (void **)&pIConnPtCont);
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if (SUCCEEDED(hr)) {
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hr = pIConnPtCont->FindConnectionPoint(IID_IPropertyNotifySink, &m_pIConnPt);
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pIConnPtCont->Release();
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// Connect our sink to it
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if (SUCCEEDED(hr)) {
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m_NotifySink.QueryInterface(IID_IPropertyNotifySink, (void **)&pISink);
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hr = m_pIConnPt->Advise(pISink, &m_dwCookie);
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}
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}
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// Force a change notification
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FontChange(DISPID_UNKNOWN);
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return hr;
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}
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void
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COleFont::FontChange (
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DISPID DispId
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)
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{
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CY size;
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BOOL bool;
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short weight;
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BSTR bstrName;
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// if not bold font, force clone of normal font
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if (m_pIFontBold == NULL)
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DispId = DISPID_UNKNOWN;
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// Copy changed parameter to bold font
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switch (DispId) {
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case DISPID_FONT_NAME:
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if (SUCCEEDED(m_pIFont->get_Name(&bstrName))) {
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m_pIFontBold->put_Name(bstrName);
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SysFreeString(bstrName);
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}
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break;
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case DISPID_FONT_SIZE:
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m_pIFont->get_Size(&size);
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m_pIFontBold->put_Size(size);
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break;
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case DISPID_FONT_ITALIC:
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m_pIFont->get_Italic(&bool);
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m_pIFontBold->put_Italic(bool);
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break;
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case DISPID_FONT_UNDER:
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m_pIFont->get_Underline(&bool);
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m_pIFontBold->put_Underline(bool);
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break;
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case DISPID_FONT_STRIKE:
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m_pIFont->get_Strikethrough(&bool);
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m_pIFontBold->put_Strikethrough(bool);
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break;
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case DISPID_FONT_WEIGHT:
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m_pIFont->get_Weight(&weight);
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m_pIFontBold->put_Weight(weight);
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m_pIFontBold->put_Bold(TRUE);
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break;
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case DISPID_UNKNOWN:
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ReleaseInterface(m_pIFontBold);
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if (SUCCEEDED(m_pIFont->Clone(&m_pIFontBold))) {
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m_pIFontBold->put_Bold(TRUE);
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}
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}
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// Notify owner of font change
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m_pCtrl->FontChanged();
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}
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STDMETHODIMP COleFont::GetFontDisp (
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OUT IFontDisp **ppFont
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)
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{
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*ppFont = NULL;
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if (m_pIFont == NULL)
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return E_UNEXPECTED;
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return m_pIFont->QueryInterface(IID_IFontDisp, (void **)ppFont);
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}
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STDMETHODIMP COleFont::GetHFont (
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OUT HFONT *phFont
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)
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{
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if ( m_pIFont == NULL ) {
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*phFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
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} else {
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if ( FAILED(m_pIFont->get_hFont(phFont)) ) {
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*phFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
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}
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}
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return S_OK;
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}
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STDMETHODIMP COleFont::GetHFontBold (
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OUT HFONT *phFont
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)
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{
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if (m_pIFontBold == NULL ) {
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*phFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
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} else {
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if ( FAILED(m_pIFontBold->get_hFont(phFont)) ) {
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*phFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
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}
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}
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return S_OK;
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}
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STDMETHODIMP COleFont::LoadFromStream (
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LPSTREAM pIStream
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)
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{
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HRESULT hr;
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IPersistStream *pIPersist = NULL;
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FONTDESC fontDesc;
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WCHAR achFontFaceName[LF_FACESIZE+1];
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LPFONT pIFont = NULL;
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INT iPxlsPerInch;
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if (m_pIFont == NULL)
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return E_FAIL;
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// Calling pIPersist for the existing font seems to miss some
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// important notification, so create a new font, load properties
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// from the stream, and replace the current font.
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InitDefaultFontDesc ( fontDesc, iPxlsPerInch, achFontFaceName );
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hr = OleCreateFontIndirect(&fontDesc, IID_IFont, (void**)&pIFont);
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if (FAILED(hr))
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return hr;
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pIFont->SetRatio(iPxlsPerInch, HIMETRIC_PER_INCH);
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hr = pIFont->QueryInterface(IID_IPersistStream, (void **)&pIPersist);
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if (SUCCEEDED(hr)) {
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hr = pIPersist->Load(pIStream);
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pIPersist->Release();
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hr = SetIFont(pIFont);
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}
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pIFont->Release();
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return hr;
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}
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STDMETHODIMP COleFont::SaveToStream (
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LPSTREAM pIStream,
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BOOL fClearDirty
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)
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{
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IPersistStream *pIPersist;
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HRESULT hr;
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if (m_pIFont == NULL)
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return E_FAIL;
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hr = m_pIFont->QueryInterface(IID_IPersistStream, (void **)&pIPersist);
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if (SUCCEEDED(hr)) {
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hr = pIPersist->Save(pIStream, fClearDirty);
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pIPersist->Release();
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}
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return hr;
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}
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HRESULT
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COleFont::LoadFromPropertyBag (
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IPropertyBag* pIPropBag,
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IErrorLog* pIErrorLog )
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{
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HRESULT hr = S_OK;
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WCHAR achFontFaceName[LF_FACESIZE+1];
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WCHAR achPropBagFaceName[LF_FACESIZE+1];
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INT iBufSize = LF_FACESIZE+1;
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FONTDESC fontDesc;
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LPFONT pIFont;
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VARIANT vValue;
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BOOL bValue;
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SHORT iValue;
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CY cySize;
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INT iPxlsPerInch;
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if (m_pIFont == NULL)
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return E_FAIL;
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InitDefaultFontDesc ( fontDesc, iPxlsPerInch, achFontFaceName );
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hr = StringFromPropertyBag (
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pIPropBag,
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pIErrorLog,
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L"FontName",
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achPropBagFaceName,
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iBufSize );
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if ( SUCCEEDED( hr ) ) {
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fontDesc.lpstrName = T2W(achPropBagFaceName);
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}
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hr = CyFromPropertyBag ( pIPropBag, pIErrorLog, L"FontSize", cySize );
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if ( SUCCEEDED( hr ) ){
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fontDesc.cySize.int64 = cySize.int64;
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}
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hr = BOOLFromPropertyBag ( pIPropBag, pIErrorLog, L"FontItalic", bValue );
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if ( SUCCEEDED( hr ) ){
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fontDesc.fItalic = ( 0 == bValue ? 0 : 1 );
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}
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hr = BOOLFromPropertyBag ( pIPropBag, pIErrorLog, L"FontUnderline", bValue );
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if ( SUCCEEDED( hr ) ){
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fontDesc.fUnderline = ( 0 == bValue ? 0 : 1 );
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}
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|
|
|
||
|
|
hr = BOOLFromPropertyBag ( pIPropBag, pIErrorLog, L"FontStrikethrough", bValue );
|
||
|
|
if ( SUCCEEDED( hr ) ){
|
||
|
|
fontDesc.fStrikethrough = ( 0 == bValue ? 0 : 1 );
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = ShortFromPropertyBag ( pIPropBag, pIErrorLog, L"FontWeight", iValue );
|
||
|
|
if ( SUCCEEDED( hr ) ){
|
||
|
|
fontDesc.sWeight = iValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = OleCreateFontIndirect(&fontDesc, IID_IFont, (void**)&pIFont);
|
||
|
|
if (FAILED(hr))
|
||
|
|
return hr;
|
||
|
|
|
||
|
|
// pIFont->SetRatio(iPxlsPerInch, HIMETRIC_PER_INCH);
|
||
|
|
|
||
|
|
hr = SetIFont(pIFont);
|
||
|
|
|
||
|
|
pIFont->Release();
|
||
|
|
|
||
|
|
VariantClear ( &vValue );
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
COleFont::SaveToPropertyBag (
|
||
|
|
IPropertyBag* pIPropBag,
|
||
|
|
BOOL /* fClearDirty */,
|
||
|
|
BOOL /* fSaveAllProps */ )
|
||
|
|
{
|
||
|
|
HRESULT hr = NOERROR;
|
||
|
|
VARIANT vValue;
|
||
|
|
BOOL bValue;
|
||
|
|
|
||
|
|
if (m_pIFont == NULL)
|
||
|
|
return E_FAIL;
|
||
|
|
|
||
|
|
VariantInit( &vValue );
|
||
|
|
vValue.vt = VT_BSTR;
|
||
|
|
hr = m_pIFont->get_Name( &vValue.bstrVal);
|
||
|
|
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
|
||
|
|
hr = pIPropBag->Write(L"FontName", &vValue );
|
||
|
|
|
||
|
|
VariantClear ( &vValue );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
if ( SUCCEEDED( hr ) ){
|
||
|
|
CY cySize;
|
||
|
|
hr = m_pIFont->get_Size ( &cySize );
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
hr = CyToPropertyBag ( pIPropBag, L"FontSize", cySize );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
if ( SUCCEEDED( hr ) ){
|
||
|
|
hr = m_pIFont->get_Italic ( &bValue );
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
hr = BOOLToPropertyBag ( pIPropBag, L"FontItalic", bValue );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
if ( SUCCEEDED( hr ) ){
|
||
|
|
hr = m_pIFont->get_Underline ( &bValue );
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
hr = BOOLToPropertyBag ( pIPropBag, L"FontUnderline", bValue );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
if ( SUCCEEDED( hr ) ){
|
||
|
|
hr = m_pIFont->get_Strikethrough ( &bValue );
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
hr = BOOLToPropertyBag ( pIPropBag, L"FontStrikethrough", bValue );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
if ( SUCCEEDED( hr ) ){
|
||
|
|
SHORT iValue;
|
||
|
|
hr = m_pIFont->get_Weight ( &iValue );
|
||
|
|
if ( SUCCEEDED( hr ) ) {
|
||
|
|
hr = ShortToPropertyBag ( pIPropBag, L"FontWeight", iValue );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
// CImpIPropertyNotifySink Interface Implementation
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CImpIPropertyNotifySink::CImpIPropertyNotifySink
|
||
|
|
* CImpIPropertyNotifySink::~CImpIPropertyNotifySink
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
CImpIPropertyNotifySink::CImpIPropertyNotifySink (
|
||
|
|
IN COleFont *pOleFont
|
||
|
|
)
|
||
|
|
{
|
||
|
|
m_cRef=0;
|
||
|
|
m_pOleFont = pOleFont;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
CImpIPropertyNotifySink::~CImpIPropertyNotifySink (
|
||
|
|
void
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CImpIPropertyNotifySink::QueryInterface
|
||
|
|
* CImpIPropertyNotifySink::AddRef
|
||
|
|
* CImpIPropertyNotifySink::Release
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* Non-delegating IUnknown members for CImpIPropertyNotifySink.
|
||
|
|
*/
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CImpIPropertyNotifySink::QueryInterface (
|
||
|
|
IN REFIID riid,
|
||
|
|
OUT LPVOID *ppv
|
||
|
|
)
|
||
|
|
{
|
||
|
|
*ppv=NULL;
|
||
|
|
|
||
|
|
if (IID_IUnknown==riid || IID_IPropertyNotifySink==riid)
|
||
|
|
*ppv=(LPVOID)this;
|
||
|
|
|
||
|
|
if (NULL != *ppv) {
|
||
|
|
((LPUNKNOWN)*ppv)->AddRef();
|
||
|
|
return NOERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ResultFromScode(E_NOINTERFACE);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CImpIPropertyNotifySink::AddRef(
|
||
|
|
void
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return ++m_cRef;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG)
|
||
|
|
CImpIPropertyNotifySink::Release (
|
||
|
|
void
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (0 != --m_cRef)
|
||
|
|
return m_cRef;
|
||
|
|
|
||
|
|
// delete this;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CImpIPropertyNotifySink::OnChanged (
|
||
|
|
IN DISPID DispId
|
||
|
|
)
|
||
|
|
{
|
||
|
|
// Notify font object of change
|
||
|
|
m_pOleFont->FontChange(DispId);
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CImpIPropertyNotifySink::OnRequestEdit (
|
||
|
|
IN DISPID // DispId
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return S_OK;
|
||
|
|
}
|