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dwrite: Add simulated oblique faces.

This commit is contained in:
Nikolay Sivov 2015-09-03 07:36:01 +03:00 committed by Alexandre Julliard
parent e38d9bc68e
commit a10d75e597
1 changed files with 87 additions and 29 deletions
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116
dlls/dwrite/font.c
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@ -87,7 +87,11 @@ struct dwrite_font_data {
WCHAR *facename;
BOOL bold_sim_tested : 1; /* used to mark font as tested when scanning for bold simulation candidate */
USHORT simulations;
/* used to mark font as tested when scanning for simulation candidate */
BOOL bold_sim_tested : 1;
BOOL oblique_sim_tested : 1;
};
struct dwrite_fontfamily_data {
@ -125,7 +129,6 @@ struct dwrite_font {
IDWriteFontFamily *family;
USHORT simulations;
DWRITE_FONT_STYLE style;
struct dwrite_font_data *data;
};
@ -1135,7 +1138,7 @@ static HRESULT get_fontface_from_font(struct dwrite_font *font, IDWriteFontFace2
*fontface = NULL;
hr = IDWriteFactory2_CreateFontFace(data->factory, data->face_type, 1, &data->file,
data->face_index, font->simulations, &face);
data->face_index, font->data->simulations, &face);
if (FAILED(hr))
return hr;
@ -1248,10 +1251,10 @@ static HRESULT WINAPI dwritefont_GetFaceNames(IDWriteFont2 *iface, IDWriteLocali
*names = NULL;
if (This->simulations == DWRITE_FONT_SIMULATIONS_NONE)
if (This->data->simulations == DWRITE_FONT_SIMULATIONS_NONE)
return clone_localizedstring(This->data->names, names);
switch (This->simulations) {
switch (This->data->simulations) {
case DWRITE_FONT_SIMULATIONS_BOLD|DWRITE_FONT_SIMULATIONS_OBLIQUE:
name = boldobliqueW;
break;
@ -1262,7 +1265,7 @@ static HRESULT WINAPI dwritefont_GetFaceNames(IDWriteFont2 *iface, IDWriteLocali
name = obliqueW;
break;
default:
ERR("unknown simulations %d\n", This->simulations);
ERR("unknown simulations %d\n", This->data->simulations);
return E_FAIL;
}
@ -1331,7 +1334,7 @@ static DWRITE_FONT_SIMULATIONS WINAPI dwritefont_GetSimulations(IDWriteFont2 *if
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)\n", This);
return This->simulations;
return This->data->simulations;
}
static void WINAPI dwritefont_GetMetrics(IDWriteFont2 *iface, DWRITE_FONT_METRICS *metrics)
@ -1461,8 +1464,7 @@ static const IDWriteFont2Vtbl dwritefontvtbl = {
dwritefont2_IsColorFont
};
static HRESULT create_font(struct dwrite_font_data *data, IDWriteFontFamily *family, DWRITE_FONT_SIMULATIONS simulations,
IDWriteFont **font)
static HRESULT create_font(struct dwrite_font_data *data, IDWriteFontFamily *family, IDWriteFont **font)
{
struct dwrite_font *This;
*font = NULL;
@ -1474,15 +1476,10 @@ static HRESULT create_font(struct dwrite_font_data *data, IDWriteFontFamily *fam
This->ref = 1;
This->family = family;
IDWriteFontFamily_AddRef(family);
This->simulations = simulations;
This->style = data->style;
This->data = data;
InterlockedIncrement(&This->data->ref);
/* set oblique style from requested simulation */
if ((simulations & DWRITE_FONT_SIMULATIONS_OBLIQUE) && data->style == DWRITE_FONT_STYLE_NORMAL)
This->style = DWRITE_FONT_STYLE_OBLIQUE;
*font = (IDWriteFont*)&This->IDWriteFont2_iface;
return S_OK;
@ -1562,7 +1559,7 @@ static HRESULT WINAPI dwritefontfamily_GetFont(IDWriteFontFamily *iface, UINT32
if (index >= This->data->font_count)
return E_INVALIDARG;
return create_font(This->data->fonts[index], iface, DWRITE_FONT_SIMULATIONS_NONE, font);
return create_font(This->data->fonts[index], iface, font);
}
static HRESULT WINAPI dwritefontfamily_GetFamilyNames(IDWriteFontFamily *iface, IDWriteLocalizedStrings **names)
@ -1616,7 +1613,6 @@ static HRESULT WINAPI dwritefontfamily_GetFirstMatchingFont(IDWriteFontFamily *i
DWRITE_FONT_STRETCH stretch, DWRITE_FONT_STYLE style, IDWriteFont **font)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
DWRITE_FONT_SIMULATIONS simulations;
struct dwrite_font_propvec req;
struct dwrite_font_data *match;
UINT32 i;
@ -1636,13 +1632,7 @@ static HRESULT WINAPI dwritefontfamily_GetFirstMatchingFont(IDWriteFontFamily *i
match = This->data->fonts[i];
}
simulations = DWRITE_FONT_SIMULATIONS_NONE;
if (((style == DWRITE_FONT_STYLE_ITALIC) || (style == DWRITE_FONT_STYLE_OBLIQUE)) &&
match->style == DWRITE_FONT_STYLE_NORMAL) {
simulations = DWRITE_FONT_SIMULATIONS_OBLIQUE;
}
return create_font(match, iface, simulations, font);
return create_font(match, iface, font);
}
static HRESULT WINAPI dwritefontfamily_GetMatchingFonts(IDWriteFontFamily *iface, DWRITE_FONT_WEIGHT weight,
@ -1816,7 +1806,6 @@ static HRESULT WINAPI dwritefontcollection_GetFontFromFontFace(IDWriteFontCollec
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
struct dwrite_fontfamily_data *found_family = NULL;
struct dwrite_font_data *found_font = NULL;
DWRITE_FONT_SIMULATIONS simulations;
IDWriteFontFamily *family;
UINT32 i, j, face_index;
IDWriteFontFile *file;
@ -1855,8 +1844,7 @@ static HRESULT WINAPI dwritefontcollection_GetFontFromFontFace(IDWriteFontCollec
if (FAILED(hr))
return hr;
simulations = IDWriteFontFace_GetSimulations(face);
hr = create_font(found_font, family, simulations, font);
hr = create_font(found_font, family, font);
IDWriteFontFamily_Release(family);
return hr;
}
@ -2687,7 +2675,9 @@ static HRESULT init_font_data(IDWriteFactory2 *factory, IDWriteFontFile *file, D
data->file = file;
data->face_index = face_index;
data->face_type = face_type;
data->simulations = DWRITE_FONT_SIMULATIONS_NONE;
data->bold_sim_tested = FALSE;
data->oblique_sim_tested = FALSE;
IDWriteFontFile_AddRef(file);
IDWriteFactory2_AddRef(factory);
@ -2722,7 +2712,7 @@ static HRESULT init_font_data(IDWriteFactory2 *factory, IDWriteFontFile *file, D
return S_OK;
}
static HRESULT init_font_data_from_font(const struct dwrite_font_data *src, DWRITE_FONT_WEIGHT weight, const WCHAR *facenameW,
static HRESULT init_font_data_from_font(const struct dwrite_font_data *src, DWRITE_FONT_SIMULATIONS sim, const WCHAR *facenameW,
struct dwrite_font_data **ret)
{
struct dwrite_font_data *data;
@ -2734,7 +2724,11 @@ static HRESULT init_font_data_from_font(const struct dwrite_font_data *src, DWRI
*data = *src;
data->ref = 1;
data->weight = weight;
data->simulations |= sim;
if (sim == DWRITE_FONT_SIMULATIONS_BOLD)
data->weight = DWRITE_FONT_WEIGHT_BOLD;
else if (sim == DWRITE_FONT_SIMULATIONS_OBLIQUE)
data->style = DWRITE_FONT_STYLE_OBLIQUE;
memset(data->info_strings, 0, sizeof(data->info_strings));
data->names = NULL;
IDWriteFactory2_AddRef(data->factory);
@ -2837,7 +2831,7 @@ static void fontfamily_add_bold_simulated_face(struct dwrite_fontfamily_data *fa
strcatW(facenameW, spaceW);
strcatW(facenameW, boldW);
if (init_font_data_from_font(family->fonts[heaviest], DWRITE_FONT_WEIGHT_BOLD, facenameW, &boldface) == S_OK) {
if (init_font_data_from_font(family->fonts[heaviest], DWRITE_FONT_SIMULATIONS_BOLD, facenameW, &boldface) == S_OK) {
boldface->bold_sim_tested = TRUE;
fontfamily_add_font(family, boldface);
}
@ -2845,6 +2839,69 @@ static void fontfamily_add_bold_simulated_face(struct dwrite_fontfamily_data *fa
}
}
static void fontfamily_add_oblique_simulated_face(struct dwrite_fontfamily_data *family)
{
UINT32 i, j;
for (i = 0; i < family->font_count; i++) {
UINT32 regular = ~0u, oblique = ~0u;
struct dwrite_font_data *obliqueface;
WCHAR facenameW[255];
if (family->fonts[i]->oblique_sim_tested)
continue;
family->fonts[i]->oblique_sim_tested = TRUE;
if (family->fonts[i]->style == DWRITE_FONT_STYLE_NORMAL)
regular = i;
else if (family->fonts[i]->style == DWRITE_FONT_STYLE_OBLIQUE)
oblique = i;
/* find regular style with same weight/stretch values */
for (j = i; j < family->font_count; j++) {
if (family->fonts[j]->oblique_sim_tested)
continue;
if ((family->fonts[i]->weight == family->fonts[j]->weight) &&
(family->fonts[i]->stretch == family->fonts[j]->stretch)) {
family->fonts[j]->oblique_sim_tested = TRUE;
if (regular == ~0 && family->fonts[j]->style == DWRITE_FONT_STYLE_NORMAL)
regular = j;
if (oblique == ~0 && family->fonts[j]->style == DWRITE_FONT_STYLE_OBLIQUE)
oblique = j;
}
if (regular != ~0u && oblique != ~0u)
break;
}
/* no regular variant for this weight/stretch pair, nothing to base simulated face on */
if (regular == ~0u)
continue;
/* regular face exists, and corresponding oblique is present as well, nothing to do */
if (oblique != ~0u)
continue;
/* add oblique simulation based on this regular face */
/* remove regular term if any, append 'Oblique' */
fontstrings_get_en_string(family->fonts[regular]->names, facenameW, sizeof(facenameW)/sizeof(WCHAR));
facename_remove_regular_term(facenameW, -1);
if (*facenameW)
strcatW(facenameW, spaceW);
strcatW(facenameW, obliqueW);
if (init_font_data_from_font(family->fonts[regular], DWRITE_FONT_SIMULATIONS_OBLIQUE, facenameW, &obliqueface) == S_OK) {
obliqueface->oblique_sim_tested = TRUE;
fontfamily_add_font(family, obliqueface);
}
}
}
HRESULT create_font_collection(IDWriteFactory2* factory, IDWriteFontFileEnumerator *enumerator, BOOL is_system, IDWriteFontCollection **ret)
{
struct dwrite_fontcollection *collection;
@ -2935,6 +2992,7 @@ HRESULT create_font_collection(IDWriteFactory2* factory, IDWriteFontFileEnumerat
for (i = 0; i < collection->family_count; i++) {
fontfamily_add_bold_simulated_face(collection->family_data[i]);
fontfamily_add_oblique_simulated_face(collection->family_data[i]);
}
return hr;