gecko-dev/gfx/2d/ScaledFontFontconfig.cpp

48 строки
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ScaledFontFontconfig.h"
#include "Logging.h"
#ifdef USE_SKIA
#include "skia/include/ports/SkTypeface_cairo.h"
#endif
namespace mozilla {
namespace gfx {
// On Linux and Android our "platform" font is a cairo_scaled_font_t and we use
// an SkFontHost implementation that allows Skia to render using this.
// This is mainly because FT_Face is not good for sharing between libraries, which
// is a requirement when we consider runtime switchable backends and so on
ScaledFontFontconfig::ScaledFontFontconfig(cairo_scaled_font_t* aScaledFont,
FcPattern* aPattern,
Float aSize)
: ScaledFontBase(aSize),
mPattern(aPattern)
{
SetCairoScaledFont(aScaledFont);
FcPatternReference(aPattern);
}
ScaledFontFontconfig::~ScaledFontFontconfig()
{
FcPatternDestroy(mPattern);
}
#ifdef USE_SKIA
SkTypeface* ScaledFontFontconfig::GetSkTypeface()
{
if (!mTypeface) {
mTypeface = SkCreateTypefaceFromCairoFTFontWithFontconfig(mScaledFont, mPattern);
}
return mTypeface;
}
#endif
} // namespace gfx
} // namespace mozilla