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-rw-r--r--gfx/2d/ScaledFontFontconfig.cpp47
1 files changed, 47 insertions, 0 deletions
diff --git a/gfx/2d/ScaledFontFontconfig.cpp b/gfx/2d/ScaledFontFontconfig.cpp
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+/* -*- 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