nsresult
nsFontMetrics::Init(const nsFont& aFont,
nsIAtom* aLanguage, bool aExplicitLanguage,
gfxFont::Orientation aOrientation,
nsDeviceContext *aContext,
gfxUserFontSet *aUserFontSet,
gfxTextPerfMetrics *aTextPerf)
{
MOZ_ASSERT(mP2A == 0, "already initialized");
mFont = aFont;
mLanguage = aLanguage;
mOrientation = aOrientation;
mDeviceContext = aContext;
mP2A = mDeviceContext->AppUnitsPerDevPixel();
gfxFontStyle style(aFont.style,
aFont.weight,
aFont.stretch,
gfxFloat(aFont.size) / mP2A,
aLanguage,
aExplicitLanguage,
aFont.sizeAdjust,
aFont.systemFont,
mDeviceContext->IsPrinterSurface(),
aFont.synthesis & NS_FONT_SYNTHESIS_WEIGHT,
aFont.synthesis & NS_FONT_SYNTHESIS_STYLE,
aFont.languageOverride);
aFont.AddFontFeaturesToStyle(&style);
mFontGroup = gfxPlatform::GetPlatform()->
CreateFontGroup(aFont.fontlist, &style, aTextPerf, aUserFontSet);
return NS_OK;
}
nsresult
nsFontMetrics::Init(const nsFont& aFont, nsIAtom* aLanguage,
nsDeviceContext *aContext,
gfxUserFontSet *aUserFontSet)
{
NS_ABORT_IF_FALSE(mP2A == 0, "already initialized");
mFont = aFont;
mLanguage = aLanguage;
mDeviceContext = aContext;
mP2A = mDeviceContext->AppUnitsPerDevPixel();
gfxFontStyle style(aFont.style,
aFont.weight,
aFont.stretch,
gfxFloat(aFont.size) / mP2A,
aLanguage,
aFont.sizeAdjust,
aFont.systemFont,
mDeviceContext->IsPrinterSurface(),
aFont.languageOverride);
aFont.AddFontFeaturesToStyle(&style);
mFontGroup = gfxPlatform::GetPlatform()->
CreateFontGroup(aFont.name, &style, aUserFontSet);
if (mFontGroup->FontListLength() < 1)
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
nsFontMetrics::nsFontMetrics(const nsFont& aFont, const Params& aParams,
nsDeviceContext *aContext)
: mFont(aFont)
, mLanguage(aParams.language)
, mDeviceContext(aContext)
, mP2A(aContext->AppUnitsPerDevPixel())
, mOrientation(aParams.orientation)
, mTextRunRTL(false)
, mVertical(false)
, mTextOrientation(0)
{
gfxFontStyle style(aFont.style,
aFont.weight,
aFont.stretch,
gfxFloat(aFont.size) / mP2A,
aParams.language,
aParams.explicitLanguage,
aFont.sizeAdjust,
aFont.systemFont,
mDeviceContext->IsPrinterSurface(),
aFont.synthesis & NS_FONT_SYNTHESIS_WEIGHT,
aFont.synthesis & NS_FONT_SYNTHESIS_STYLE,
aFont.languageOverride);
aFont.AddFontFeaturesToStyle(&style);
gfxFloat devToCssSize = gfxFloat(mP2A) /
gfxFloat(mDeviceContext->AppUnitsPerCSSPixel());
mFontGroup = gfxPlatform::GetPlatform()->
CreateFontGroup(aFont.fontlist, &style, aParams.textPerf,
aParams.userFontSet, devToCssSize);
}
NS_IMETHODIMP nsThebesDeviceContext::FirstExistingFont(const nsFont& aFont, nsString& aFaceName)
{
FontEnumData data(this, aFaceName);
if (aFont.EnumerateFamilies(FontEnumCallback, &data)) {
return NS_ERROR_FAILURE; // ran out
}
return NS_OK;
}
