bool UGXPThemes::GetThemeString(LPCWSTR theme, int iPartId, int iStateId, int iPropId, LPWSTR pszBuff, int cchMaxBuffChars)
{
bool success = false;
if (useThemes)
{
HANDLE themeHandle = OpenThemeData(NULL, theme);
if (!themeHandle)
return false;
success = SUCCEEDED(GetThemeString(themeHandle, iPartId, iStateId, iPropId, pszBuff, cchMaxBuffChars));
}
return success;
}
BOOL CXTPSkinManagerClass::GetThemePartSize(int iPartId, int iStateId, RECT *pRect, int eSize, SIZE* pSize)
{
if (GetThemeEnumValue(iPartId, iStateId, TMT_BGTYPE) != BT_IMAGEFILE)
return FALSE;
int nImageFile = (GetThemeEnumValue(iPartId, iStateId, TMT_IMAGESELECTTYPE) != IST_NONE) &&
(GetThemeEnumValue(iPartId, iStateId, TMT_GLYPHTYPE, GT_NONE) == GT_NONE) ?
TMT_IMAGEFILE1: TMT_IMAGEFILE;
CString strImageFile = GetThemeString(iPartId, iStateId, nImageFile);
if (strImageFile.IsEmpty())
{
if (nImageFile != TMT_IMAGEFILE1)
return FALSE;
strImageFile = GetThemeString(iPartId, iStateId, TMT_IMAGEFILE);
if (strImageFile.IsEmpty())
return FALSE;
}
CXTPSkinImage* pImage = GetImages()->LoadFile(m_pSchema->GetResourceFile(), strImageFile);
if (!pImage)
{
return FALSE;
}
int nImageCount = GetThemeInt(iPartId, iStateId, TMT_IMAGECOUNT, 1);
if (nImageCount < 1)
nImageCount = 1;
BOOL bHorizontalImageLayout = GetThemeEnumValue(iPartId, iStateId, TMT_IMAGELAYOUT, IL_HORIZONTAL) == IL_HORIZONTAL;
CSize sz(pImage->GetWidth(), pImage->GetHeight());
if (bHorizontalImageLayout) sz.cx /= nImageCount;
else sz.cy /= nImageCount;
if (eSize == TS_TRUE)
{
*pSize = sz;
}
if (eSize == TS_DRAW)
{
if (GetThemeEnumValue(iPartId, iStateId, TMT_SIZINGTYPE, ST_STRETCH) == ST_TRUESIZE)
{
*pSize = sz;
return TRUE;
}
if (!pRect)
{
pSize->cy = 0;
pSize->cx = 0;
}
else
{
pSize->cy = pRect->bottom - pRect->top;
pSize->cx = pRect->right - pRect->left;
}
if (GetThemeBool(iPartId, iStateId, TMT_UNIFORMSIZING, FALSE))
{
pSize->cx = MulDiv(pSize->cy, sz.cx, sz.cy);
}
}
return TRUE;
}
