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usp10: Store original font in the script cache and reselect it on successive calls.

This commit is contained in:
Hans Leidekker 2007-12-09 21:39:19 +01:00 committed by Alexandre Julliard
parent 143f2421b6
commit 68efae1615
1 changed files with 48 additions and 11 deletions
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59
dlls/usp10/usp10.c
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@ -147,6 +147,7 @@ typedef struct {
HDC hdc;
LONG height;
WCHAR default_char;
LOGFONTW lf;
} ScriptCache;
typedef struct {
@ -212,6 +213,8 @@ static HRESULT init_script_cache(const HDC hdc, ScriptCache *sc)
TEXTMETRICW metric;
if (!GetTextMetricsW(hdc, &metric)) return E_INVALIDARG;
if (!GetObjectW(GetCurrentObject(hdc, OBJ_FONT), sizeof(LOGFONTW), &sc->lf)) return E_INVALIDARG;
sc->height = metric.tmHeight;
sc->default_char = metric.tmDefaultChar;
sc->hdc = hdc;
@ -239,6 +242,21 @@ static HRESULT get_script_cache(const HDC hdc, SCRIPT_CACHE *psc)
return S_OK;
}
static HFONT select_cached_font(SCRIPT_CACHE *psc)
{
HFONT old_font;
ScriptCache *sc = *psc;
old_font = SelectObject(sc->hdc, CreateFontIndirectW(&sc->lf));
return old_font;
}
static void unselect_cached_font(SCRIPT_CACHE *psc, HFONT old_font)
{
ScriptCache *sc = *psc;
DeleteObject(SelectObject(sc->hdc, old_font));
}
/***********************************************************************
* DllMain
*
@ -1228,6 +1246,7 @@ HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
{
int cnt;
HRESULT hr;
HFONT hfont;
*pcGlyphs = cChars;
TRACE("(%p, %p, %p, %d, %d, %p)\n", hdc, psc, pwcChars, cChars, cMaxGlyphs, psa);
@ -1237,6 +1256,8 @@ HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
if (cChars > cMaxGlyphs) return E_OUTOFMEMORY;
if ((hr = get_script_cache(hdc, psc))) return hr;
hfont = select_cached_font(psc);
TRACE("Before: ");
for (cnt = 0; cnt < cChars; cnt++)
TRACE("%4x",pwcChars[cnt]);
@ -1270,6 +1291,7 @@ HRESULT WINAPI ScriptShape(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcChars,
psva[cnt].fZeroWidth = 0;
pwLogClust[cnt] = cnt;
}
unselect_cached_font(psc, hfont);
return S_OK;
}
@ -1300,12 +1322,15 @@ HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
int wcnt;
HRESULT hr;
LPABC lpABC;
HFONT hfont;
TRACE("(%p, %p, %p, %s, %d, %p, %p, %p)\n", hdc, psc, pwGlyphs,
debugstr_wn(pwGlyphs, cGlyphs), cGlyphs, psva, psa, piAdvance);
if ((hr = get_script_cache(hdc, psc))) return hr;
hfont = select_cached_font(psc);
/* Here we need to calculate the width of the run unit. At this point the input string
* has been converted to glyphs and we still need to translate back to the original chars
* to get the correct ABC widths. */
@ -1315,8 +1340,8 @@ HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
memset(pABC, 0, sizeof(ABC));
/* FIXME: set pGoffset to more reasonable values */
if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, cGlyphs, (WORD *) pwGlyphs, lpABC ))
{
if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, cGlyphs, (WORD *)pwGlyphs, lpABC))
{
WARN("Could not get ABC values\n");
for (wcnt = 0; wcnt < cGlyphs; wcnt++) {
piAdvance[wcnt] = 0;
@ -1346,8 +1371,9 @@ HRESULT WINAPI ScriptPlace(HDC hdc, SCRIPT_CACHE *psc, const WORD *pwGlyphs,
if (pABC)
TRACE("Total for run: abcA=%d, abcB=%d, abcC=%d\n", pABC->abcA, pABC->abcB, pABC->abcC);
usp_free(lpABC);
return S_OK;
usp_free(lpABC);
unselect_cached_font(psc, hfont);
return S_OK;
}
/***********************************************************************
@ -1372,12 +1398,15 @@ HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars
{
int cnt;
HRESULT hr;
HFONT hfont;
TRACE("(%p,%p,%s,%d,0x%x,%p)\n", hdc, psc, debugstr_wn(pwcInChars, cChars),
cChars, dwFlags, pwOutGlyphs);
if ((hr = get_script_cache(hdc, psc))) return hr;
hfont = select_cached_font(psc);
TRACE("Before: ");
for (cnt = 0; cnt < cChars; cnt++)
TRACE("%4x",pwcInChars[cnt]);
@ -1391,6 +1420,7 @@ HRESULT WINAPI ScriptGetCMap(HDC hdc, SCRIPT_CACHE *psc, const WCHAR *pwcInChars
}
TRACE("\n");
unselect_cached_font(psc, hfont);
return S_OK;
}
@ -1403,7 +1433,8 @@ HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UIN
int iReserved, const WORD *pwGlyphs, int cGlyphs, const int *piAdvance,
const int *piJustify, const GOFFSET *pGoffset)
{
HRESULT hr;
HFONT hfont;
HRESULT hr = S_OK;
TRACE("(%p, %p, %d, %d, %04x, %p, %p, %p, %d, %p, %d, %p, %p, %p)\n",
hdc, psc, x, y, fuOptions, lprc, psa, pwcReserved, iReserved, pwGlyphs, cGlyphs,
@ -1413,14 +1444,17 @@ HRESULT WINAPI ScriptTextOut(const HDC hdc, SCRIPT_CACHE *psc, int x, int y, UIN
if (!piAdvance || !psa || !pwGlyphs) return E_INVALIDARG;
if ((hr = get_script_cache(hdc, psc))) return hr;
hfont = select_cached_font(psc);
fuOptions &= ETO_CLIPPED + ETO_OPAQUE;
if (!psa->fNoGlyphIndex) /* Have Glyphs? */
fuOptions |= ETO_GLYPH_INDEX; /* Say don't do translation to glyph */
if (!ExtTextOutW(get_cache_hdc(psc), x, y, fuOptions, lprc, pwGlyphs, cGlyphs, NULL))
return S_FALSE;
hr = S_FALSE;
return S_OK;
unselect_cached_font(psc, hfont);
return hr;
}
/***********************************************************************
@ -1467,15 +1501,18 @@ HRESULT WINAPI ScriptCacheGetHeight(HDC hdc, SCRIPT_CACHE *psc, LONG *height)
*/
HRESULT WINAPI ScriptGetGlyphABCWidth(HDC hdc, SCRIPT_CACHE *psc, WORD glyph, ABC *abc)
{
HRESULT hr;
HFONT hfont;
HRESULT hr = S_OK;
TRACE("(%p, %p, 0x%04x, %p)\n", hdc, psc, glyph, abc);
if ((hr = get_script_cache(hdc, psc))) return hr;
/* FIXME: get this from the cache */
if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, 1, &glyph, abc)) return E_HANDLE;
return S_OK;
hfont = select_cached_font(psc);
if (!GetCharABCWidthsI(get_cache_hdc(psc), 0, 1, &glyph, abc)) hr = E_HANDLE;
unselect_cached_font(psc, hfont);
return hr;
}
/***********************************************************************