Add m-esr52 at 52.6.0

1 files changed, 47 insertions, 0 deletions

diff --git a/gfx/2d/ScaledFontFontconfig.cpp b/gfx/2d/ScaledFontFontconfig.cpp
new file mode 100644
index 000000000..d4751f86d
--- /dev/null
+++ b/gfx/2d/ScaledFontFontconfig.cpp
@@ -0,0 +1,47 @@
+/* -*- 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