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mlang: Implement IMLangFontLink2_MapFont, IMLangFontLink2_ReleaseFont and IMLangFontLink2_ResetFont. 

Signed-off-by: Ziqing Hui <zhui@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Ziqing Hui 2017-11-27 19:46:36 +08:00 committed by Alexandre Julliard
parent d00f9bce6c
commit 98d35d97c7
1 changed files with 156 additions and 7 deletions
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161
dlls/mlang/mlang.c
View File

@ -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
*/
@ -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,