FontPlatformData* FontCache::createFontPlatformData(const FontDescription& fontDescription, const AtomicString& family, float fontSize)
{
CString name;
RefPtr<SkTypeface> tf = createTypeface(fontDescription, family, name);
if (!tf)
return 0;
// Windows will always give us a valid pointer here, even if the face name
// is non-existent. We have to double-check and see if the family name was
// really used.
// FIXME: Do we need to use predefined fonts "guaranteed" to exist
// when we're running in layout-test mode?
if (!typefacesMatchesFamily(tf.get(), family)) {
return 0;
}
FontPlatformData* result = new FontPlatformData(tf,
name.data(),
fontSize,
fontDescription.weight() >= FontWeightBold && !tf->isBold() || fontDescription.isSyntheticBold(),
fontDescription.italic() && !tf->isItalic() || fontDescription.isSyntheticItalic(),
fontDescription.orientation(),
m_useSubpixelPositioning);
return result;
}
FontPlatformData* FontCache::createFontPlatformData(const FontDescription& fontDescription, const FontFaceCreationParams& creationParams, float fontSize)
{
ASSERT(creationParams.creationType() == CreateFontByFamily);
CString name;
RefPtr<SkTypeface> tf = createTypeface(fontDescription, creationParams, name);
if (!tf)
return 0;
// Windows will always give us a valid pointer here, even if the face name
// is non-existent. We have to double-check and see if the family name was
// really used.
// FIXME: Do we need to use predefined fonts "guaranteed" to exist
// when we're running in layout-test mode?
if (!typefacesMatchesFamily(tf.get(), creationParams.family())) {
return 0;
}
FontPlatformData* result = new FontPlatformData(tf,
name.data(),
fontSize,
fontDescription.weight() >= FontWeightBold && !tf->isBold() || fontDescription.isSyntheticBold(),
fontDescription.style() == FontStyleItalic && !tf->isItalic() || fontDescription.isSyntheticItalic(),
fontDescription.orientation(),
s_useSubpixelPositioning);
struct FamilyMinSize {
const wchar_t* family;
unsigned minSize;
};
const static FamilyMinSize minAntiAliasSizeForFont[] = {
{ L"simsun", 16 },
{ L"dotum", 12 },
{ L"gulim", 12 },
{ L"pmingliu", 11 }
};
size_t numFonts = WTF_ARRAY_LENGTH(minAntiAliasSizeForFont);
for (size_t i = 0; i < numFonts; i++) {
FamilyMinSize entry = minAntiAliasSizeForFont[i];
if (typefacesMatchesFamily(tf.get(), entry.family)) {
result->setMinSizeForAntiAlias(entry.minSize);
break;
}
}
return result;
}
FontPlatformData* FontCache::createFontPlatformData(const FontDescription& fontDescription, const FontFaceCreationParams& creationParams, float fontSize)
{
ASSERT(creationParams.creationType() == CreateFontByFamily);
CString name;
RefPtr<SkTypeface> tf = createTypeface(fontDescription, creationParams, name);
// Windows will always give us a valid pointer here, even if the face name
// is non-existent. We have to double-check and see if the family name was
// really used.
if (!tf || !typefacesMatchesFamily(tf.get(), creationParams.family())) {
AtomicString adjustedName;
FontWeight variantWeight;
FontStretch variantStretch;
if (typefacesHasWeightSuffix(creationParams.family(), adjustedName,
variantWeight)) {
FontFaceCreationParams adjustedParams(adjustedName);
FontDescription adjustedFontDescription = fontDescription;
adjustedFontDescription.setWeight(variantWeight);
tf = createTypeface(adjustedFontDescription, adjustedParams, name);
if (!tf || !typefacesMatchesFamily(tf.get(), adjustedName))
return 0;
} else if (typefacesHasStretchSuffix(creationParams.family(),
adjustedName, variantStretch)) {
FontFaceCreationParams adjustedParams(adjustedName);
FontDescription adjustedFontDescription = fontDescription;
adjustedFontDescription.setStretch(variantStretch);
tf = createTypeface(adjustedFontDescription, adjustedParams, name);
if (!tf || !typefacesMatchesFamily(tf.get(), adjustedName))
return 0;
} else {
return 0;
}
}
FontPlatformData* result = new FontPlatformData(tf,
name.data(),
fontSize,
fontDescription.weight() >= FontWeight600 && !tf->isBold() || fontDescription.isSyntheticBold(),
fontDescription.style() == FontStyleItalic && !tf->isItalic() || fontDescription.isSyntheticItalic(),
fontDescription.orientation(),
s_useSubpixelPositioning);
struct FamilyMinSize {
const wchar_t* family;
unsigned minSize;
};
const static FamilyMinSize minAntiAliasSizeForFont[] = {
{ L"simsun", 11 },
{ L"dotum", 12 },
{ L"gulim", 12 },
{ L"pmingliu", 11 }
};
size_t numFonts = WTF_ARRAY_LENGTH(minAntiAliasSizeForFont);
for (size_t i = 0; i < numFonts; i++) {
FamilyMinSize entry = minAntiAliasSizeForFont[i];
if (typefacesMatchesFamily(tf.get(), entry.family)) {
result->setMinSizeForAntiAlias(entry.minSize);
break;
}
}
// List of fonts that look bad with subpixel text rendering at smaller font
// sizes. This includes all fonts in the Microsoft Core fonts for the Web
// collection.
const static wchar_t* noSubpixelForSmallSizeFont[] = {
L"andale mono",
L"arial",
L"comic sans",
L"courier new",
L"georgia",
L"impact",
L"lucida console",
L"tahoma",
L"times new roman",
L"trebuchet ms",
L"verdana",
L"webdings"
};
const static float minSizeForSubpixelForFont = 16.0f;
numFonts = WTF_ARRAY_LENGTH(noSubpixelForSmallSizeFont);
for (size_t i = 0; i < numFonts; i++) {
const wchar_t* family = noSubpixelForSmallSizeFont[i];
if (typefacesMatchesFamily(tf.get(), family)) {
result->setMinSizeForSubpixel(minSizeForSubpixelForFont);
break;
}
}
return result;
}
