1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 #include "ScaledFontCairo.h"
8 #include "Logging.h"
9 
10 #if defined(USE_SKIA) && defined(MOZ_ENABLE_FREETYPE)
11 #include "skia/include/ports/SkTypeface_cairo.h"
12 #endif
13 
14 namespace mozilla {
15 namespace gfx {
16 
17 // On Linux and Android our "platform" font is a cairo_scaled_font_t and we use
18 // an SkFontHost implementation that allows Skia to render using this.
19 // This is mainly because FT_Face is not good for sharing between libraries,
20 // which is a requirement when we consider runtime switchable backends and so on
ScaledFontCairo(cairo_scaled_font_t * aScaledFont,const RefPtr<UnscaledFont> & aUnscaledFont,Float aSize)21 ScaledFontCairo::ScaledFontCairo(cairo_scaled_font_t* aScaledFont,
22                                  const RefPtr<UnscaledFont>& aUnscaledFont,
23                                  Float aSize)
24     : ScaledFontBase(aUnscaledFont, aSize) {
25   SetCairoScaledFont(aScaledFont);
26 }
27 
28 #if defined(USE_SKIA) && defined(MOZ_ENABLE_FREETYPE)
GetSkTypeface()29 SkTypeface* ScaledFontCairo::GetSkTypeface() {
30   if (!mTypeface) {
31     mTypeface = SkCreateTypefaceFromCairoFTFont(mScaledFont);
32   }
33 
34   return mTypeface;
35 }
36 #endif
37 
38 }  // namespace gfx
39 }  // namespace mozilla
40