CFontInfo Class Reference

#include <CFontCache.hpp>

Collaboration diagram for CFontInfo:

Public Member Functions
	CFontInfo (LPCWSTR name=L"")
const CStringW &	Name () const
const bool	Valid () const
const CStringW &	File ()
const LARGE_INTEGER &	FileSize ()
const FILETIME &	FileWriteTime ()
DWORD	FileAttributes ()

Private Member Functions
void	ReadAttrs ()

Private Attributes
CStringW	m_Name
CStringW	m_File
bool	m_FileRead
bool	m_AttrsRead
LARGE_INTEGER	m_FileSize
FILETIME	m_FileWriteTime
DWORD	m_dwFileAttributes

Detailed Description

Definition at line 10 of file CFontCache.hpp.

Constructor & Destructor Documentation

CFontInfo()

CFontInfo::CFontInfo

(

LPCWSTR

name = L""

)

Definition at line 14 of file CFontCache.cpp.

    : m_Name(name)
    , m_FileRead(false)
    , m_AttrsRead(false)
    , m_FileWriteTime({})
    , m_dwFileAttributes(0)
{
    m_FileSize.QuadPart = 0;
}

Member Function Documentation

File()

const CStringW & CFontInfo::File

(

)

Definition at line 34 of file CFontCache.cpp.

{
    if (!m_FileRead)
    {
        if (Valid())
        {
            // Read the filename stored in the registry.
            // This can be either a filename or a full path
            CRegKey key;
            if (key.Open(FONT_HIVE, FONT_KEY, KEY_READ) == ERROR_SUCCESS)
            {
                CStringW Value;
                DWORD dwAllocated = 128;
                LSTATUS Status;
                do
                {
                    DWORD dwSize = dwAllocated;
                    PWSTR Buffer = Value.GetBuffer(dwSize);
                    Status = key.QueryStringValue(m_Name, Buffer, &dwSize);
                    Value.ReleaseBuffer(dwSize);
                    if (Status == ERROR_SUCCESS)
                    {
                        // Ensure we do not re-use the same string object, by passing it a PCWSTR
                        m_File = Value.GetString();
                        break;
                    }
                    dwAllocated += 128;
                } while (Status == ERROR_MORE_DATA);
            }
        }
        m_FileRead = true;
    }
    return m_File;
}

FileAttributes()

DWORD CFontInfo::FileAttributes

(

)

Definition at line 108 of file CFontCache.cpp.

{
    if (!m_AttrsRead)
        ReadAttrs();
 
    return m_dwFileAttributes;
}

FileSize()

const LARGE_INTEGER & CFontInfo::FileSize

(

)

Definition at line 92 of file CFontCache.cpp.

{
    if (!m_AttrsRead)
        ReadAttrs();
 
    return m_FileSize;
}

FileWriteTime()

const FILETIME & CFontInfo::FileWriteTime

(

)

Definition at line 100 of file CFontCache.cpp.

{
    if (!m_AttrsRead)
        ReadAttrs();
 
    return m_FileWriteTime;
}

Name()

const CStringW & CFontInfo::Name

(

)

const

Definition at line 24 of file CFontCache.cpp.

{
    return m_Name;
}

ReadAttrs()

void CFontInfo::ReadAttrs ( )

private

Definition at line 69 of file CFontCache.cpp.

{
    CStringW File = g_FontCache->Filename(this, true);
 
    m_AttrsRead = true;
 
    WIN32_FIND_DATAW findFileData;
    HANDLE hFile = FindFirstFileW(File, &findFileData);
    if (hFile != INVALID_HANDLE_VALUE)
    {
 
        // File write time
        FileTimeToLocalFileTime(&findFileData.ftLastWriteTime, &m_FileWriteTime);
 
        // File size
        m_FileSize.HighPart = findFileData.nFileSizeHigh;
        m_FileSize.LowPart = findFileData.nFileSizeLow;
 
        m_dwFileAttributes = findFileData.dwFileAttributes;
        FindClose(hFile);
    }
}

Referenced by FileAttributes(), FileSize(), and FileWriteTime().

Valid()

const bool CFontInfo::Valid

(

)

const

Definition at line 29 of file CFontCache.cpp.

{
    return !m_Name.IsEmpty();
}

Referenced by File().

Member Data Documentation

m_AttrsRead

bool CFontInfo::m_AttrsRead

private

Definition at line 17 of file CFontCache.hpp.

Referenced by FileAttributes(), FileSize(), FileWriteTime(), and ReadAttrs().

m_dwFileAttributes

DWORD CFontInfo::m_dwFileAttributes

private

Definition at line 20 of file CFontCache.hpp.

Referenced by FileAttributes(), and ReadAttrs().

m_File

CStringW CFontInfo::m_File

private

Definition at line 14 of file CFontCache.hpp.

Referenced by File().

m_FileRead

bool CFontInfo::m_FileRead

private

Definition at line 15 of file CFontCache.hpp.

Referenced by File().

m_FileSize

LARGE_INTEGER CFontInfo::m_FileSize

private

Definition at line 18 of file CFontCache.hpp.

Referenced by FileSize(), and ReadAttrs().

m_FileWriteTime

FILETIME CFontInfo::m_FileWriteTime

private

Definition at line 19 of file CFontCache.hpp.

Referenced by FileWriteTime(), and ReadAttrs().

m_Name

CStringW CFontInfo::m_Name

private

Definition at line 13 of file CFontCache.hpp.

Referenced by File(), Name(), and Valid().

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The documentation for this class was generated from the following files:

• dll/shellext/fontext/CFontCache.hpp
• dll/shellext/fontext/CFontCache.cpp