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/*
* OLE Font encapsulation implementation
*
* This file contains an implementation of the IFont
* interface and the OleCreateFontIndirect API call.
*
* Copyright 1999 Francis Beaudet
*/
#include <assert.h>
#include <string.h>
#include "winerror.h"
#include "oleauto.h"
#include "ocidl.h"
#include "olectl.h"
#include "debug.h"
#include "heap.h"
/***********************************************************************
* Declaration of constants used when serializing the font object.
*/
#define FONTPERSIST_ITALIC 0x02
#define FONTPERSIST_UNDERLINE 0x04
#define FONTPERSIST_STRIKETHROUGH 0x08
/***********************************************************************
* Declaration of the implementation class for the IFont interface
*/
typedef struct OLEFontImpl OLEFontImpl;
struct OLEFontImpl
{
/*
* This class supports many interfaces. IUnknown, IFont,
* IDispatch, IDispFont and IPersistStream. The first two are
* supported by the first vtablem the next two are supported by
* the second table and the last one has it's own.
*/
ICOM_VTABLE(IFont)* lpvtbl1;
ICOM_VTABLE(IDispatch)* lpvtbl2;
ICOM_VTABLE(IPersistStream)* lpvtbl3;
/*
* Reference count for that instance of the class.
*/
ULONG ref;
/*
* This structure contains the description of the class.
*/
FONTDESC description;
/*
* Contain the font associated with this object.
*/
HFONT gdiFont;
/*
* Font lock count.
*/
DWORD fontLock;
/*
* Size ratio
*/
long cyLogical;
long cyHimetric;
};
/*
* Here, I define utility macros to help with the casting of the
* "this" parameter.
* There is a version to accomodate all of the VTables implemented
* by this object.
*/
#define _ICOM_THIS(class,name) class* this = (class*)name;
#define _ICOM_THIS_From_IDispatch(class, name) class* this = (class*)(((void*)name)-sizeof(void*));
#define _ICOM_THIS_From_IPersistStream(class, name) class* this = (class*)(((void*)name)-2*sizeof(void*));
/***********************************************************************
* Prototypes for the implementation functions for the IFont
* interface
*/
static OLEFontImpl* OLEFontImpl_Construct(LPFONTDESC fontDesc);
static void OLEFontImpl_Destroy(OLEFontImpl* fontDesc);
static HRESULT WINAPI OLEFontImpl_QueryInterface(IFont* iface, REFIID riid, VOID** ppvoid);
static ULONG WINAPI OLEFontImpl_AddRef(IFont* iface);
static ULONG WINAPI OLEFontImpl_Release(IFont* iface);
static HRESULT WINAPI OLEFontImpl_get_Name(IFont* iface, BSTR* pname);
static HRESULT WINAPI OLEFontImpl_put_Name(IFont* iface, BSTR name);
static HRESULT WINAPI OLEFontImpl_get_Size(IFont* iface, CY* psize);
static HRESULT WINAPI OLEFontImpl_put_Size(IFont* iface, CY size);
static HRESULT WINAPI OLEFontImpl_get_Bold(IFont* iface, BOOL* pbold);
static HRESULT WINAPI OLEFontImpl_put_Bold(IFont* iface, BOOL bold);
static HRESULT WINAPI OLEFontImpl_get_Italic(IFont* iface, BOOL* pitalic);
static HRESULT WINAPI OLEFontImpl_put_Italic(IFont* iface, BOOL italic);
static HRESULT WINAPI OLEFontImpl_get_Underline(IFont* iface, BOOL* punderline);
static HRESULT WINAPI OLEFontImpl_put_Underline(IFont* iface, BOOL underline);
static HRESULT WINAPI OLEFontImpl_get_Strikethrough(IFont* iface, BOOL* pstrikethrough);
static HRESULT WINAPI OLEFontImpl_put_Strikethrough(IFont* iface, BOOL strikethrough);
static HRESULT WINAPI OLEFontImpl_get_Weight(IFont* iface, short* pweight);
static HRESULT WINAPI OLEFontImpl_put_Weight(IFont* iface, short weight);
static HRESULT WINAPI OLEFontImpl_get_Charset(IFont* iface, short* pcharset);
static HRESULT WINAPI OLEFontImpl_put_Charset(IFont* iface, short charset);
static HRESULT WINAPI OLEFontImpl_get_hFont(IFont* iface, HFONT* phfont);
static HRESULT WINAPI OLEFontImpl_Clone(IFont* iface, IFont** ppfont);
static HRESULT WINAPI OLEFontImpl_IsEqual(IFont* iface, IFont* pFontOther);
static HRESULT WINAPI OLEFontImpl_SetRatio(IFont* iface, long cyLogical, long cyHimetric);
static HRESULT WINAPI OLEFontImpl_QueryTextMetrics(IFont* iface, TEXTMETRICOLE* ptm);
static HRESULT WINAPI OLEFontImpl_AddRefHfont(IFont* iface, HFONT hfont);
static HRESULT WINAPI OLEFontImpl_ReleaseHfont(IFont* iface, HFONT hfont);
static HRESULT WINAPI OLEFontImpl_SetHdc(IFont* iface, HDC hdc);
/***********************************************************************
* Prototypes for the implementation functions for the IDispatch
* interface
*/
static HRESULT WINAPI OLEFontImpl_IDispatch_QueryInterface(IDispatch* iface,
REFIID riid,
VOID** ppvoid);
static ULONG WINAPI OLEFontImpl_IDispatch_AddRef(IDispatch* iface);
static ULONG WINAPI OLEFontImpl_IDispatch_Release(IDispatch* iface);
static HRESULT WINAPI OLEFontImpl_GetTypeInfoCount(IDispatch* iface,
unsigned int* pctinfo);
static HRESULT WINAPI OLEFontImpl_GetTypeInfo(IDispatch* iface,
UINT iTInfo,
LCID lcid,
ITypeInfo** ppTInfo);
static HRESULT WINAPI OLEFontImpl_GetIDsOfNames(IDispatch* iface,
REFIID riid,
LPOLESTR* rgszNames,
UINT cNames,
LCID lcid,
DISPID* rgDispId);
static HRESULT WINAPI OLEFontImpl_Invoke(IDispatch* iface,
DISPID dispIdMember,
REFIID riid,
LCID lcid,
WORD wFlags,
DISPPARAMS* pDispParams,
VARIANT* pVarResult,
EXCEPINFO* pExepInfo,
UINT* puArgErr);
/***********************************************************************
* Prototypes for the implementation functions for the IPersistStream
* interface
*/
static HRESULT WINAPI OLEFontImpl_IPersistStream_QueryInterface(IPersistStream* iface,
REFIID riid,
VOID** ppvoid);
static ULONG WINAPI OLEFontImpl_IPersistStream_AddRef(IPersistStream* iface);
static ULONG WINAPI OLEFontImpl_IPersistStream_Release(IPersistStream* iface);
static HRESULT WINAPI OLEFontImpl_GetClassID(const IPersistStream* iface,
CLSID* pClassID);
static HRESULT WINAPI OLEFontImpl_IsDirty(IPersistStream* iface);
static HRESULT WINAPI OLEFontImpl_Load(IPersistStream* iface,
IStream* pLoadStream);
static HRESULT WINAPI OLEFontImpl_Save(IPersistStream* iface,
IStream* pOutStream,
BOOL fClearDirty);
static HRESULT WINAPI OLEFontImpl_GetSizeMax(IPersistStream* iface,
ULARGE_INTEGER* pcbSize);
/*
* Virtual function tables for the OLEFontImpl class.
*/
static ICOM_VTABLE(IFont) OLEFontImpl_VTable =
{
OLEFontImpl_QueryInterface,
OLEFontImpl_AddRef,
OLEFontImpl_Release,
OLEFontImpl_get_Name,
OLEFontImpl_put_Name,
OLEFontImpl_get_Size,
OLEFontImpl_put_Size,
OLEFontImpl_get_Bold,
OLEFontImpl_put_Bold,
OLEFontImpl_get_Italic,
OLEFontImpl_put_Italic,
OLEFontImpl_get_Underline,
OLEFontImpl_put_Underline,
OLEFontImpl_get_Strikethrough,
OLEFontImpl_put_Strikethrough,
OLEFontImpl_get_Weight,
OLEFontImpl_put_Weight,
OLEFontImpl_get_Charset,
OLEFontImpl_put_Charset,
OLEFontImpl_get_hFont,
OLEFontImpl_Clone,
OLEFontImpl_IsEqual,
OLEFontImpl_SetRatio,
OLEFontImpl_QueryTextMetrics,
OLEFontImpl_AddRefHfont,
OLEFontImpl_ReleaseHfont,
OLEFontImpl_SetHdc
};
static ICOM_VTABLE(IDispatch) OLEFontImpl_IDispatch_VTable =
{
OLEFontImpl_IDispatch_QueryInterface,
OLEFontImpl_IDispatch_AddRef,
OLEFontImpl_IDispatch_Release,
OLEFontImpl_GetTypeInfoCount,
OLEFontImpl_GetTypeInfo,
OLEFontImpl_GetIDsOfNames,
OLEFontImpl_Invoke
};
static ICOM_VTABLE(IPersistStream) OLEFontImpl_IPersistStream_VTable =
{
OLEFontImpl_IPersistStream_QueryInterface,
OLEFontImpl_IPersistStream_AddRef,
OLEFontImpl_IPersistStream_Release,
OLEFontImpl_GetClassID,
OLEFontImpl_IsDirty,
OLEFontImpl_Load,
OLEFontImpl_Save,
OLEFontImpl_GetSizeMax
};
/******************************************************************************
* OleCreateFontIndirect [OLEAUT32.420]
*/
WINOLECTLAPI OleCreateFontIndirect(
LPFONTDESC lpFontDesc,
REFIID riid,
VOID** ppvObj)
{
OLEFontImpl* newFont = 0;
HRESULT hr = S_OK;
/*
* Sanity check
*/
if (ppvObj==0)
return E_POINTER;
*ppvObj = 0;
/*
* Try to construct a new instance of the class.
*/
newFont = OLEFontImpl_Construct(lpFontDesc);
if (newFont == 0)
return E_OUTOFMEMORY;
/*
* Make sure it supports the interface required by the caller.
*/
hr = IFont_QueryInterface((IFont*)newFont, riid, ppvObj);
/*
* Release the reference obtained in the constructor. If
* the QueryInterface was unsuccessful, it will free the class.
*/
IFont_Release((IFont*)newFont);
return hr;
}
/***********************************************************************
* Implementation of the OLEFontImpl class.
*/
/************************************************************************
* OLEFontImpl_Construct
*
* This method will construct a new instance of the OLEFontImpl
* class.
*
* The caller of this method must release the object when it's
* done with it.
*/
static OLEFontImpl* OLEFontImpl_Construct(LPFONTDESC fontDesc)
{
OLEFontImpl* newObject = 0;
/*
* Allocate space for the object.
*/
newObject = HeapAlloc(GetProcessHeap(), 0, sizeof(OLEFontImpl));
if (newObject==0)
return newObject;
/*
* Initialize the virtual function table.
*/
newObject->lpvtbl1 = &OLEFontImpl_VTable;
newObject->lpvtbl2 = &OLEFontImpl_IDispatch_VTable;
newObject->lpvtbl3 = &OLEFontImpl_IPersistStream_VTable;
/*
* Start with one reference count. The caller of this function
* must release the interface pointer when it is done.
*/
newObject->ref = 1;
/*
* Copy the description of the font in the object.
*/
assert(fontDesc->cbSizeofstruct >= sizeof(FONTDESC));
newObject->description.cbSizeofstruct = sizeof(FONTDESC);
newObject->description.lpstrName = HeapAlloc(GetProcessHeap(),
0,
(lstrlenW(fontDesc->lpstrName)+1) * sizeof(WCHAR));
lstrcpyW(newObject->description.lpstrName, fontDesc->lpstrName);
newObject->description.cySize = fontDesc->cySize;
newObject->description.sWeight = fontDesc->sWeight;
newObject->description.sCharset = fontDesc->sCharset;
newObject->description.fItalic = fontDesc->fItalic;
newObject->description.fUnderline = fontDesc->fUnderline;
newObject->description.fStrikethrough = fontDesc->fStrikethrough;
/*
* Initializing all the other members.
*/
newObject->gdiFont = NULL;
newObject->fontLock = 0;
newObject->cyHimetric = 1;
newObject->cyLogical = 1;
return newObject;
}
/************************************************************************
* OLEFontImpl_Construct
*
* This method is called by the Release method when the reference
* count goes doen to 0. it will free all resources used by
* this object.
*/
static void OLEFontImpl_Destroy(OLEFontImpl* fontDesc)
{
if (fontDesc->description.lpstrName!=0)
HeapFree(GetProcessHeap(), 0, fontDesc->description.lpstrName);
if (fontDesc->gdiFont!=NULL)
DeleteObject(fontDesc->gdiFont);
HeapFree(GetProcessHeap(), 0, fontDesc);
}
/************************************************************************
* OLEFontImpl_QueryInterface (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
HRESULT WINAPI OLEFontImpl_QueryInterface(
IFont* iface,
REFIID riid,
void** ppvObject)
{
_ICOM_THIS(OLEFontImpl, iface);
/*
* Perform a sanity check on the parameters.
*/
if ( (this==0) || (ppvObject==0) )
return E_INVALIDARG;
/*
* Initialize the return parameter.
*/
*ppvObject = 0;
/*
* Compare the riid with the interface IDs implemented by this object.
*/
if (memcmp(&IID_IUnknown, riid, sizeof(IID_IUnknown)) == 0)
{
*ppvObject = (IFont*)this;
}
else if (memcmp(&IID_IFont, riid, sizeof(IID_IFont)) == 0)
{
*ppvObject = (IFont*)this;
}
else if (memcmp(&IID_IDispatch, riid, sizeof(IID_IDispatch)) == 0)
{
*ppvObject = (IDispatch*)&(this->lpvtbl2);
}
else if (memcmp(&IID_IFontDisp, riid, sizeof(IID_IFontDisp)) == 0)
{
*ppvObject = (IDispatch*)&(this->lpvtbl2);
}
else if (memcmp(&IID_IPersistStream, riid, sizeof(IID_IPersistStream)) == 0)
{
*ppvObject = (IPersistStream*)&(this->lpvtbl3);
}
/*
* Check that we obtained an interface.
*/
if ((*ppvObject)==0)
{
char clsid[50];
WINE_StringFromCLSID((LPCLSID)riid,clsid);
WARN(ole,
"() : asking for un supported interface %s\n",
clsid);
return E_NOINTERFACE;
}
/*
* Query Interface always increases the reference count by one when it is
* successful
*/
OLEFontImpl_AddRef((IFont*)this);
return S_OK;;
}
/************************************************************************
* OLEFontImpl_AddRef (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
ULONG WINAPI OLEFontImpl_AddRef(
IFont* iface)
{
_ICOM_THIS(OLEFontImpl, iface);
this->ref++;
return this->ref;
}
/************************************************************************
* OLEFontImpl_Release (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
ULONG WINAPI OLEFontImpl_Release(
IFont* iface)
{
_ICOM_THIS(OLEFontImpl, iface);
/*
* Decrease the reference count on this object.
*/
this->ref--;
/*
* If the reference count goes down to 0, perform suicide.
*/
if (this->ref==0)
{
OLEFontImpl_Destroy(this);
return 0;
}
return this->ref;
}
/************************************************************************
* OLEFontImpl_get_Name (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_get_Name(
IFont* iface,
BSTR* pname)
{
_ICOM_THIS(OLEFontImpl, iface);
/*
* Sanity check.
*/
if (pname==0)
return E_POINTER;
if (this->description.lpstrName!=0)
*pname = SysAllocString(this->description.lpstrName);
else
*pname = 0;
return S_OK;
}
/************************************************************************
* OLEFontImpl_put_Name (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_put_Name(
IFont* iface,
BSTR name)
{
_ICOM_THIS(OLEFontImpl, iface);
if (this->description.lpstrName==0)
{
this->description.lpstrName = HeapAlloc(GetProcessHeap(),
0,
(lstrlenW(name)+1) * sizeof(WCHAR));
}
else
{
this->description.lpstrName = HeapReAlloc(GetProcessHeap(),
0,
this->description.lpstrName,
(lstrlenW(name)+1) * sizeof(WCHAR));
}
if (this->description.lpstrName==0)
return E_OUTOFMEMORY;
lstrcpyW(this->description.lpstrName, name);
return S_OK;
}
/************************************************************************
* OLEFontImpl_get_Size (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_get_Size(
IFont* iface,
CY* psize)
{
_ICOM_THIS(OLEFontImpl, iface);
/*
* Sanity check
*/
if (psize==0)
return E_POINTER;
psize->u.Hi = 0;
psize->u.Lo = this->description.cySize.u.Lo;
return S_OK;
}
/************************************************************************
* OLEFontImpl_put_Size (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_put_Size(
IFont* iface,
CY size)
{
_ICOM_THIS(OLEFontImpl, iface);
this->description.cySize.u.Hi = 0;
this->description.cySize.u.Lo = this->description.cySize.u.Lo;
return S_OK;
}
/************************************************************************
* OLEFontImpl_get_Bold (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_get_Bold(
IFont* iface,
BOOL* pbold)
{
FIXME(ole,"():Stub\n");
return E_NOTIMPL;
}
/************************************************************************
* OLEFontImpl_put_Bold (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_put_Bold(
IFont* iface,
BOOL bold)
{
FIXME(ole,"():Stub\n");
return E_NOTIMPL;
}
/************************************************************************
* OLEFontImpl_get_Italic (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_get_Italic(
IFont* iface,
BOOL* pitalic)
{
_ICOM_THIS(OLEFontImpl, iface);
/*
* Sanity check
*/
if (pitalic==0)
return E_POINTER;
*pitalic = this->description.fItalic;
return S_OK;
}
/************************************************************************
* OLEFontImpl_put_Italic (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_put_Italic(
IFont* iface,
BOOL italic)
{
_ICOM_THIS(OLEFontImpl, iface);
this->description.fItalic = italic;
return S_OK;
}
/************************************************************************
* OLEFontImpl_get_Underline (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_get_Underline(
IFont* iface,
BOOL* punderline)
{
_ICOM_THIS(OLEFontImpl, iface);
/*
* Sanity check
*/
if (punderline==0)
return E_POINTER;
*punderline = this->description.fUnderline;
return S_OK;
}
/************************************************************************
* OLEFontImpl_put_Underline (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_put_Underline(
IFont* iface,
BOOL underline)
{
_ICOM_THIS(OLEFontImpl, iface);
this->description.fUnderline = underline;
return S_OK;
}
/************************************************************************
* OLEFontImpl_get_Strikethrough (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_get_Strikethrough(
IFont* iface,
BOOL* pstrikethrough)
{
_ICOM_THIS(OLEFontImpl, iface);
/*
* Sanity check
*/
if (pstrikethrough==0)
return E_POINTER;
*pstrikethrough = this->description.fStrikethrough;
return S_OK;
}
/************************************************************************
* OLEFontImpl_put_Strikethrough (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_put_Strikethrough(
IFont* iface,
BOOL strikethrough)
{
_ICOM_THIS(OLEFontImpl, iface);
this->description.fStrikethrough = strikethrough;
return S_OK;
}
/************************************************************************
* OLEFontImpl_get_Weight (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_get_Weight(
IFont* iface,
short* pweight)
{
_ICOM_THIS(OLEFontImpl, iface);
/*
* Sanity check
*/
if (pweight==0)
return E_POINTER;
*pweight = this->description.sWeight;
return S_OK;
}
/************************************************************************
* OLEFontImpl_put_Weight (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_put_Weight(
IFont* iface,
short weight)
{
_ICOM_THIS(OLEFontImpl, iface);
this->description.sWeight = weight;
return S_OK;
}
/************************************************************************
* OLEFontImpl_get_Charset (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_get_Charset(
IFont* iface,
short* pcharset)
{
_ICOM_THIS(OLEFontImpl, iface);
/*
* Sanity check
*/
if (pcharset==0)
return E_POINTER;
*pcharset = this->description.sCharset;
return S_OK;
}
/************************************************************************
* OLEFontImpl_put_Charset (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_put_Charset(
IFont* iface,
short charset)
{
_ICOM_THIS(OLEFontImpl, iface);
this->description.sCharset = charset;
return S_OK;
}
/************************************************************************
* OLEFontImpl_get_hFont (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_get_hFont(
IFont* iface,
HFONT* phfont)
{
_ICOM_THIS(OLEFontImpl, iface);
if (phfont==NULL)
return E_POINTER;
/*
* Realize the font if necessary
*/
if (this->gdiFont==0)
{
LOGFONTW logFont;
INT fontHeight;
CY cySize;
/*
* The height of the font returned by the get_Size property is the
* height of the font in points multiplied by 10000... Using some
* simple conversions and the ratio given by the application, it can
* be converted to a height in pixels.
*/
IFont_get_Size(iface, &cySize);
fontHeight = MulDiv(cySize.u.Lo, 2540L, 72L);
fontHeight = MulDiv(fontHeight, this->cyLogical,this->cyHimetric);
memset(&logFont, 0, sizeof(LOGFONTW));
logFont.lfHeight = ((fontHeight%10000L)>5000L) ? (-fontHeight/10000L)-1 :
(-fontHeight/10000L);
logFont.lfItalic = this->description.fItalic;
logFont.lfUnderline = this->description.fUnderline;
logFont.lfStrikeOut = this->description.fStrikethrough;
logFont.lfWeight = this->description.sWeight;
logFont.lfCharSet = this->description.sCharset;
logFont.lfOutPrecision = OUT_CHARACTER_PRECIS;
logFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
logFont.lfQuality = DEFAULT_QUALITY;
logFont.lfPitchAndFamily = DEFAULT_PITCH;
lstrcpyW(logFont.lfFaceName,this->description.lpstrName);
this->gdiFont = CreateFontIndirectW(&logFont);
}
*phfont = this->gdiFont;
return S_OK;
}
/************************************************************************
* OLEFontImpl_Clone (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_Clone(
IFont* iface,
IFont** ppfont)
{
OLEFontImpl* newObject = 0;
_ICOM_THIS(OLEFontImpl, iface);
if (ppfont == NULL)
return E_POINTER;
*ppfont = NULL;
/*
* Allocate space for the object.
*/
newObject = HeapAlloc(GetProcessHeap(), 0, sizeof(OLEFontImpl));
if (newObject==NULL)
return E_OUTOFMEMORY;
*newObject = *this;
/*
* That new object starts with a reference count of 1
*/
newObject->ref = 1;
*ppfont = (IFont*)newObject;
return S_OK;
}
/************************************************************************
* OLEFontImpl_IsEqual (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_IsEqual(
IFont* iface,
IFont* pFontOther)
{
FIXME(ole,"():Stub\n");
return E_NOTIMPL;
}
/************************************************************************
* OLEFontImpl_SetRatio (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_SetRatio(
IFont* iface,
long cyLogical,
long cyHimetric)
{
_ICOM_THIS(OLEFontImpl, iface);
this->cyLogical = cyLogical;
this->cyHimetric = cyHimetric;
return S_OK;
}
/************************************************************************
* OLEFontImpl_QueryTextMetrics (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_QueryTextMetrics(
IFont* iface,
TEXTMETRICOLE* ptm)
{
FIXME(ole,"():Stub\n");
return E_NOTIMPL;
}
/************************************************************************
* OLEFontImpl_AddRefHfont (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_AddRefHfont(
IFont* iface,
HFONT hfont)
{
_ICOM_THIS(OLEFontImpl, iface);
if ( (hfont == NULL) ||
(hfont != this->gdiFont) )
return E_INVALIDARG;
this->fontLock++;
return S_OK;
}
/************************************************************************
* OLEFontImpl_ReleaseHfont (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_ReleaseHfont(
IFont* iface,
HFONT hfont)
{
_ICOM_THIS(OLEFontImpl, iface);
if ( (hfont == NULL) ||
(hfont != this->gdiFont) )
return E_INVALIDARG;
this->fontLock--;
/*
* If we just released our last font reference, destroy it.
*/
if (this->fontLock==0)
{
DeleteObject(this->gdiFont);
this->gdiFont = NULL;
}
return S_OK;
}
/************************************************************************
* OLEFontImpl_SetHdc (IFont)
*
* See Windows documentation for more details on IFont methods.
*/
static HRESULT WINAPI OLEFontImpl_SetHdc(
IFont* iface,
HDC hdc)
{
FIXME(ole,"():Stub\n");
return E_NOTIMPL;
}
/************************************************************************
* OLEFontImpl_IDispatch_QueryInterface (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
static HRESULT WINAPI OLEFontImpl_IDispatch_QueryInterface(
IDispatch* iface,
REFIID riid,
VOID** ppvoid)
{
_ICOM_THIS_From_IDispatch(IFont, iface);
return IFont_QueryInterface(this, riid, ppvoid);
}
/************************************************************************
* OLEFontImpl_IDispatch_Release (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
static ULONG WINAPI OLEFontImpl_IDispatch_Release(
IDispatch* iface)
{
_ICOM_THIS_From_IDispatch(IFont, iface);
return IFont_Release(this);
}
/************************************************************************
* OLEFontImpl_IDispatch_AddRef (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
static ULONG WINAPI OLEFontImpl_IDispatch_AddRef(
IDispatch* iface)
{
_ICOM_THIS_From_IDispatch(IFont, iface);
return IFont_AddRef(this);
}
/************************************************************************
* OLEFontImpl_GetTypeInfoCount (IDispatch)
*
* See Windows documentation for more details on IDispatch methods.
*/
static HRESULT WINAPI OLEFontImpl_GetTypeInfoCount(
IDispatch* iface,
unsigned int* pctinfo)
{
FIXME(ole,"():Stub\n");
return E_NOTIMPL;
}
/************************************************************************
* OLEFontImpl_GetTypeInfo (IDispatch)
*
* See Windows documentation for more details on IDispatch methods.
*/
static HRESULT WINAPI OLEFontImpl_GetTypeInfo(
IDispatch* iface,
UINT iTInfo,
LCID lcid,
ITypeInfo** ppTInfo)
{
FIXME(ole,"():Stub\n");
return E_NOTIMPL;
}
/************************************************************************
* OLEFontImpl_GetIDsOfNames (IDispatch)
*
* See Windows documentation for more details on IDispatch methods.
*/
static HRESULT WINAPI OLEFontImpl_GetIDsOfNames(
IDispatch* iface,
REFIID riid,
LPOLESTR* rgszNames,
UINT cNames,
LCID lcid,
DISPID* rgDispId)
{
FIXME(ole,"():Stub\n");
return E_NOTIMPL;
}
/************************************************************************
* OLEFontImpl_Invoke (IDispatch)
*
* See Windows documentation for more details on IDispatch methods.
*/
static HRESULT WINAPI OLEFontImpl_Invoke(
IDispatch* iface,
DISPID dispIdMember,
REFIID riid,
LCID lcid,
WORD wFlags,
DISPPARAMS* pDispParams,
VARIANT* pVarResult,
EXCEPINFO* pExepInfo,
UINT* puArgErr)
{
FIXME(ole,"():Stub\n");
return E_NOTIMPL;
}
/************************************************************************
* OLEFontImpl_IPersistStream_QueryInterface (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
static HRESULT WINAPI OLEFontImpl_IPersistStream_QueryInterface(
IPersistStream* iface,
REFIID riid,
VOID** ppvoid)
{
_ICOM_THIS_From_IPersistStream(IFont, iface);
return IFont_QueryInterface(this, riid, ppvoid);
}
/************************************************************************
* OLEFontImpl_IPersistStream_Release (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
static ULONG WINAPI OLEFontImpl_IPersistStream_Release(
IPersistStream* iface)
{
_ICOM_THIS_From_IPersistStream(IFont, iface);
return IFont_Release(this);
}
/************************************************************************
* OLEFontImpl_IPersistStream_AddRef (IUnknown)
*
* See Windows documentation for more details on IUnknown methods.
*/
static ULONG WINAPI OLEFontImpl_IPersistStream_AddRef(
IPersistStream* iface)
{
_ICOM_THIS_From_IPersistStream(IFont, iface);
return IFont_AddRef(this);
}
/************************************************************************
* OLEFontImpl_GetClassID (IPersistStream)
*
* See Windows documentation for more details on IPersistStream methods.
*/
static HRESULT WINAPI OLEFontImpl_GetClassID(
const IPersistStream* iface,
CLSID* pClassID)
{
if (pClassID==0)
return E_POINTER;
memcpy(pClassID, &CLSID_StdFont, sizeof(CLSID_StdFont));
return S_OK;
}
/************************************************************************
* OLEFontImpl_IsDirty (IPersistStream)
*
* See Windows documentation for more details on IPersistStream methods.
*/
static HRESULT WINAPI OLEFontImpl_IsDirty(
IPersistStream* iface)
{
return S_OK;
}
/************************************************************************
* OLEFontImpl_Load (IPersistStream)
*
* See Windows documentation for more details on IPersistStream methods.
*
* This is the format of the standard font serialization as far as I
* know
*
* Offset Type Value Comment
* 0x0000 Byte Unknown Probably a version number, contains 0x01
* 0x0001 Short Charset Charset value from the FONTDESC structure
* 0x0003 Byte Attributes Flags defined as follows:
* 00000010 - Italic
* 00000100 - Underline
* 00001000 - Strikethrough
* 0x0004 Short Weight Weight value from FONTDESC structure
* 0x0006 DWORD size "Low" portion of the cySize member of the FONTDESC
* structure/
* 0x000A Byte name length Length of the font name string (no null character)
* 0x000B String name Name of the font (ASCII, no nul character)
*/
static HRESULT WINAPI OLEFontImpl_Load(
IPersistStream* iface,
IStream* pLoadStream)
{
char readBuffer[0x100];
ULONG cbRead;
BYTE bVersion;
BYTE bAttributes;
BYTE bStringSize;
_ICOM_THIS_From_IPersistStream(OLEFontImpl, iface);
/*
* Read the version byte
*/
IStream_Read(pLoadStream, &bVersion, 1, &cbRead);
if ( (cbRead!=1) ||
(bVersion!=0x01) )
return E_FAIL;
/*
* Charset
*/
IStream_Read(pLoadStream, &this->description.sCharset, 2, &cbRead);
if (cbRead!=2)
return E_FAIL;
/*
* Attributes
*/
IStream_Read(pLoadStream, &bAttributes, 1, &cbRead);
if (cbRead!=1)
return E_FAIL;
this->description.fItalic = (bAttributes & FONTPERSIST_ITALIC) != 0;
this->description.fStrikethrough = (bAttributes & FONTPERSIST_STRIKETHROUGH) != 0;
this->description.fUnderline = (bAttributes & FONTPERSIST_UNDERLINE) != 0;
/*
* Weight
*/
IStream_Read(pLoadStream, &this->description.sWeight, 2, &cbRead);
if (cbRead!=2)
return E_FAIL;
/*
* Size
*/
IStream_Read(pLoadStream, &this->description.cySize.u.Lo, 4, &cbRead);
if (cbRead!=4)
return E_FAIL;
this->description.cySize.u.Hi = 0;
/*
* FontName
*/
IStream_Read(pLoadStream, &bStringSize, 1, &cbRead);
if (cbRead!=1)
return E_FAIL;
memset(readBuffer, 0, 0x100);
IStream_Read(pLoadStream, readBuffer, bStringSize, &cbRead);
if (cbRead!=bStringSize)
return E_FAIL;
if (this->description.lpstrName!=0)
HeapFree(GetProcessHeap(), 0, this->description.lpstrName);
this->description.lpstrName = HEAP_strdupAtoW(GetProcessHeap(),
HEAP_ZERO_MEMORY,
readBuffer);
return S_OK;
}
/************************************************************************
* OLEFontImpl_Save (IPersistStream)
*
* See Windows documentation for more details on IPersistStream methods.
*/
static HRESULT WINAPI OLEFontImpl_Save(
IPersistStream* iface,
IStream* pOutStream,
BOOL fClearDirty)
{
char* writeBuffer = NULL;
ULONG cbWritten;
BYTE bVersion = 0x01;
BYTE bAttributes;
BYTE bStringSize;
_ICOM_THIS_From_IPersistStream(OLEFontImpl, iface);
/*
* Read the version byte
*/
IStream_Write(pOutStream, &bVersion, 1, &cbWritten);
if (cbWritten!=1)
return E_FAIL;
/*
* Charset
*/
IStream_Write(pOutStream, &this->description.sCharset, 2, &cbWritten);
if (cbWritten!=2)
return E_FAIL;
/*
* Attributes
*/
bAttributes = 0;
if (this->description.fItalic)
bAttributes |= FONTPERSIST_ITALIC;
if (this->description.fStrikethrough)
bAttributes |= FONTPERSIST_STRIKETHROUGH;
if (this->description.fUnderline)
bAttributes |= FONTPERSIST_UNDERLINE;
IStream_Write(pOutStream, &bAttributes, 1, &cbWritten);
if (cbWritten!=1)
return E_FAIL;
/*
* Weight
*/
IStream_Write(pOutStream, &this->description.sWeight, 2, &cbWritten);
if (cbWritten!=2)
return E_FAIL;
/*
* Size
*/
IStream_Write(pOutStream, &this->description.cySize.u.Lo, 4, &cbWritten);
if (cbWritten!=4)
return E_FAIL;
/*
* FontName
*/
if (this->description.lpstrName!=0)
bStringSize = lstrlenW(this->description.lpstrName);
else
bStringSize = 0;
IStream_Write(pOutStream, &bStringSize, 1, &cbWritten);
if (cbWritten!=1)
return E_FAIL;
if (bStringSize!=0)
{
writeBuffer = HEAP_strdupWtoA(GetProcessHeap(),
HEAP_ZERO_MEMORY,
this->description.lpstrName);
if (writeBuffer==0)
return E_OUTOFMEMORY;
IStream_Write(pOutStream, writeBuffer, bStringSize, &cbWritten);
HeapFree(GetProcessHeap(), 0, writeBuffer);
if (cbWritten!=bStringSize)
return E_FAIL;
}
return S_OK;
}
/************************************************************************
* OLEFontImpl_GetSizeMax (IPersistStream)
*
* See Windows documentation for more details on IPersistStream methods.
*/
static HRESULT WINAPI OLEFontImpl_GetSizeMax(
IPersistStream* iface,
ULARGE_INTEGER* pcbSize)
{
_ICOM_THIS_From_IPersistStream(OLEFontImpl, iface);
if (pcbSize==NULL)
return E_POINTER;
pcbSize->HighPart = 0;
pcbSize->LowPart = 0;
pcbSize->LowPart += sizeof(BYTE); /* Version */
pcbSize->LowPart += sizeof(WORD); /* Lang code */
pcbSize->LowPart += sizeof(BYTE); /* Flags */
pcbSize->LowPart += sizeof(WORD); /* Weight */
pcbSize->LowPart += sizeof(DWORD); /* Size */
pcbSize->LowPart += sizeof(BYTE); /* StrLength */
if (this->description.lpstrName!=0)
pcbSize->LowPart += lstrlenW(this->description.lpstrName);
return S_OK;
}
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