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#include <windows.h>
#include <SWI-Prolog.h>
#include "resource.h"
#include "defs.h"
/* Scale integer according to DPI. */
int Dpi(int i)
{
extern int IDPI;
if (IDPI == -1) {
HMODULE hModule;
FARPROC GetDpiForWindow;
extern HWND HWnd;
IDPI = 96;
hModule = LoadLibrary(TEXT("User32.dll"));
if (hModule && (GetDpiForWindow = GetProcAddress(hModule, "GetDpiForWindow"))) {
IDPI = GetDpiForWindow(HWnd);
FreeLibrary(hModule);
}
}
return MulDiv(i, IDPI, 96);
}
/* Convert normal string to TSTR using given codepage. */
TCHAR *
TszFromSz(const char *sz, int iCp)
{
TCHAR *tsz;
#ifdef UNICODE
int cbMultiByte, cchWideChar;
cbMultiByte = strlen(sz)+1;
cchWideChar = MultiByteToWideChar(iCp, 0, sz, cbMultiByte, NULL, 0);
tsz = malloc(cchWideChar*sizeof(WCHAR));
if (!tsz) return NULL;
if (!MultiByteToWideChar(iCp, 0, sz, cbMultiByte, tsz, cchWideChar))
return NULL;
#else
tsz = malloc(strlen(sz)+1);
if (!tsz) return NULL;
strcpy(tsz, sz);
#endif
return tsz;
}
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