/*****************************************************************************
* utils.cpp: ActiveX control for VLC
*****************************************************************************
- * Copyright (C) 2005 VideoLAN (Centrale Réseaux) and its contributors
+ * Copyright (C) 2005 the VideoLAN team
*
* Authors: Damien Fouilleul <Damien.Fouilleul@laposte.net>
*
using namespace std;
-char *CStrFromBSTR(int codePage, BSTR bstr)
+char *CStrFromBSTR(UINT codePage, BSTR bstr)
{
UINT len = SysStringLen(bstr);
if( len > 0 )
0, bstr, len, NULL, 0, NULL, NULL);
if( mblen > 0 )
{
- char *buffer = (char *)malloc(mblen+1);
+ char *buffer = (char *)CoTaskMemAlloc(mblen+1);
ZeroMemory(buffer, mblen+1);
if( WideCharToMultiByte(codePage, 0, bstr, len, buffer, mblen, NULL, NULL) )
+ {
+ buffer[mblen] = '\0';
return buffer;
+ }
}
}
return NULL;
};
-BSTR BSTRFromCStr(int codePage, const char *s)
+BSTR BSTRFromCStr(UINT codePage, LPCSTR s)
{
int wideLen = MultiByteToWideChar(codePage, 0, s, -1, NULL, 0);
- if( wideLen )
+ if( wideLen > 0 )
{
- WCHAR* wideStr = (WCHAR*)malloc(wideLen*sizeof(WCHAR));
+ WCHAR* wideStr = (WCHAR*)CoTaskMemAlloc(wideLen*sizeof(WCHAR));
if( NULL != wideStr )
{
BSTR bstr;
ZeroMemory(wideStr, wideLen*sizeof(WCHAR));
MultiByteToWideChar(codePage, 0, s, -1, wideStr, wideLen);
- bstr = SysAllocString(wideStr);
+ bstr = SysAllocStringLen(wideStr, wideLen);
free(wideStr);
return bstr;
return hdc;
};
+#define HIMETRIC_PER_INCH 2540
+
+void DPFromHimetric(HDC hdc, LPPOINT pt, int count)
+{
+ LONG lpX = GetDeviceCaps(hdc, LOGPIXELSX);
+ LONG lpY = GetDeviceCaps(hdc, LOGPIXELSY);
+ while( count-- )
+ {
+ pt->x = pt->x*lpX/HIMETRIC_PER_INCH;
+ pt->y = pt->y*lpY/HIMETRIC_PER_INCH;
+ ++pt;
+ }
+};
+
+void HimetricFromDP(HDC hdc, LPPOINT pt, int count)
+{
+ LONG lpX = GetDeviceCaps(hdc, LOGPIXELSX);
+ LONG lpY = GetDeviceCaps(hdc, LOGPIXELSY);
+ while( count-- )
+ {
+ pt->x = pt->x*HIMETRIC_PER_INCH/lpX;
+ pt->y = pt->y*HIMETRIC_PER_INCH/lpY;
+ ++pt;
+ }
+};