Ziqing Hui : mlang: Implement IMLangFontLink2_MapFont, IMLangFontLink2_ReleaseFont and IMLangFontLink2_ResetFont.
Module: wine Branch: master Commit: 98d35d97c7ed00474a54e2a5c264d7d3f2032520 URL: http://source.winehq.org/git/wine.git/?a=commit;h=98d35d97c7ed00474a54e2a5c2... Author: Ziqing Hui <zhui(a)codeweavers.com> Date: Mon Nov 27 19:46:36 2017 +0800 mlang: Implement IMLangFontLink2_MapFont, IMLangFontLink2_ReleaseFont and IMLangFontLink2_ResetFont. Signed-off-by: Ziqing Hui <zhui(a)codeweavers.com> Signed-off-by: Huw Davies <huw(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/mlang/mlang.c | 163 ++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 156 insertions(+), 7 deletions(-) diff --git a/dlls/mlang/mlang.c b/dlls/mlang/mlang.c index 47f9d98..7de6cc7 100644 --- a/dlls/mlang/mlang.c +++ b/dlls/mlang/mlang.c @@ -40,6 +40,7 @@ #include "wine/unicode.h" #include "wine/debug.h" +#include "wine/list.h" WINE_DEFAULT_DEBUG_CHANNEL(mlang); @@ -525,6 +526,24 @@ static const struct mlang_data "Courier","Arial" } /* FIXME */ }; +struct font_list +{ + struct list list_entry; + HFONT base_font; + HFONT font; + UINT charset; +}; + +static struct list font_cache = LIST_INIT(font_cache); +static CRITICAL_SECTION font_cache_critical; +static CRITICAL_SECTION_DEBUG font_cache_critical_debug = +{ + 0, 0, &font_cache_critical, + { &font_cache_critical_debug.ProcessLocksList, &font_cache_critical_debug.ProcessLocksList }, + 0, 0, { (DWORD_PTR)(__FILE__ ": font_cache_critical") } +}; +static CRITICAL_SECTION font_cache_critical = { &font_cache_critical_debug, -1, 0, 0, 0, 0 }; + static void fill_cp_info(const struct mlang_data *ml_data, UINT index, MIMECPINFO *mime_cp_info); static LONG dll_count; @@ -1312,6 +1331,119 @@ HRESULT WINAPI Rfc1766ToLcidA(LCID *lcid, LPCSTR rfc1766A) return Rfc1766ToLcidW(lcid, rfc1766W); } +static HRESULT map_font(HDC hdc, DWORD codepages, HFONT src_font, HFONT *dst_font) +{ + struct font_list *font_list_entry; + CHARSETINFO charset_info; + HFONT new_font, old_font; + LOGFONTW font_attr; + DWORD mask, Csb[2]; + BOOL found_cached; + UINT charset; + BOOL ret; + UINT i; + + if (hdc == NULL || src_font == NULL) return E_FAIL; + + for (i = 0; i < 32; i++) + { + mask = (DWORD)(1 << i); + if (codepages & mask) + { + Csb[0] = mask; + Csb[1] = 0x0; + ret = TranslateCharsetInfo(Csb, &charset_info, TCI_SRCFONTSIG); + if (!ret) continue; + + /* use cached font if possible */ + found_cached = FALSE; + EnterCriticalSection(&font_cache_critical); + LIST_FOR_EACH_ENTRY(font_list_entry, &font_cache, struct font_list, list_entry) + { + if (font_list_entry->charset == charset_info.ciCharset && + font_list_entry->base_font == src_font) + { + if (dst_font != NULL) + *dst_font = font_list_entry->font; + found_cached = TRUE; + } + } + LeaveCriticalSection(&font_cache_critical); + if (found_cached) return S_OK; + + GetObjectW(src_font, sizeof(font_attr), &font_attr); + font_attr.lfCharSet = (BYTE)charset_info.ciCharset; + font_attr.lfWidth = 0; + font_attr.lfFaceName[0] = 0; + new_font = CreateFontIndirectW(&font_attr); + if (new_font == NULL) continue; + + old_font = SelectObject(hdc, new_font); + charset = GetTextCharset(hdc); + SelectObject(hdc, old_font); + if (charset == charset_info.ciCharset) + { + font_list_entry = HeapAlloc(GetProcessHeap(), 0, sizeof(*font_list_entry)); + if (font_list_entry == NULL) return E_OUTOFMEMORY; + + font_list_entry->base_font = src_font; + font_list_entry->font = new_font; + font_list_entry->charset = charset; + + EnterCriticalSection(&font_cache_critical); + list_add_tail(&font_cache, &font_list_entry->list_entry); + LeaveCriticalSection(&font_cache_critical); + + if (dst_font != NULL) + *dst_font = new_font; + return S_OK; + } + } + } + + return E_FAIL; +} + +static HRESULT release_font(HFONT font) +{ + struct font_list *font_list_entry; + HRESULT hr; + + hr = E_FAIL; + EnterCriticalSection(&font_cache_critical); + LIST_FOR_EACH_ENTRY(font_list_entry, &font_cache, struct font_list, list_entry) + { + if (font_list_entry->font == font) + { + list_remove(&font_list_entry->list_entry); + DeleteObject(font); + HeapFree(GetProcessHeap(), 0, font_list_entry); + hr = S_OK; + break; + } + } + LeaveCriticalSection(&font_cache_critical); + + return hr; +} + +static HRESULT clear_font_cache(void) +{ + struct font_list *font_list_entry; + struct font_list *font_list_entry2; + + EnterCriticalSection(&font_cache_critical); + LIST_FOR_EACH_ENTRY_SAFE(font_list_entry, font_list_entry2, &font_cache, struct font_list, list_entry) + { + list_remove(&font_list_entry->list_entry); + DeleteObject(font_list_entry->font); + HeapFree(GetProcessHeap(), 0, font_list_entry); + } + LeaveCriticalSection(&font_cache_critical); + + return S_OK; +} + /****************************************************************************** * MLANG ClassFactory */ @@ -2499,7 +2631,7 @@ static ULONG WINAPI fnIMultiLanguage3_Release( IMultiLanguage3* iface ) TRACE("(%p)->(%d)\n", This, ref); if (ref == 0) { - HeapFree(GetProcessHeap(), 0, This); + HeapFree(GetProcessHeap(), 0, This); UnlockModule(); } @@ -3351,21 +3483,38 @@ static HRESULT WINAPI fnIMLangFontLink2_GetFontCodePages(IMLangFontLink2 *iface, static HRESULT WINAPI fnIMLangFontLink2_ReleaseFont(IMLangFontLink2* This, HFONT hFont) { - FIXME("(%p)->%p\n",This, hFont); - return E_NOTIMPL; + TRACE("(%p)->%p\n",This, hFont); + + return release_font(hFont); } static HRESULT WINAPI fnIMLangFontLink2_ResetFontMapping(IMLangFontLink2* This) { - FIXME("(%p)->\n",This); - return E_NOTIMPL; + TRACE("(%p)\n",This); + + return clear_font_cache(); } static HRESULT WINAPI fnIMLangFontLink2_MapFont(IMLangFontLink2* This, HDC hDC, DWORD dwCodePages, WCHAR chSrc, HFONT *pFont) { - FIXME("(%p)->%p %i %s %p\n",This, hDC, dwCodePages, debugstr_wn(&chSrc,1), pFont); - return E_NOTIMPL; + HFONT old_font; + + TRACE("(%p)->%p %08x %04x %p\n",This, hDC, dwCodePages, chSrc, pFont); + + if (!hDC) return E_FAIL; + + if (dwCodePages != 0) + { + old_font = GetCurrentObject(hDC, OBJ_FONT); + return map_font(hDC, dwCodePages, old_font, pFont); + } + else + { + if (pFont == NULL) return E_INVALIDARG; + FIXME("the situation where dwCodepages is set to zero is not implemented\n"); + return E_FAIL; + } } static HRESULT WINAPI fnIMLangFontLink2_GetFontUnicodeRanges(IMLangFontLink2* This,
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Alexandre Julliard