Add m-esr52 at 52.6.0

1 files changed, 67 insertions, 0 deletions

diff --git a/gfx/2d/NativeFontResourceMac.cpp b/gfx/2d/NativeFontResourceMac.cpp
new file mode 100644
index 000000000..aaf6db181
--- /dev/null
+++ b/gfx/2d/NativeFontResourceMac.cpp
@@ -0,0 +1,67 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "NativeFontResourceMac.h"
+#include "Types.h"
+
+#include "mozilla/RefPtr.h"
+
+#ifdef MOZ_WIDGET_UIKIT
+#include <CoreFoundation/CoreFoundation.h>
+#endif
+
+namespace mozilla {
+namespace gfx {
+
+/* static */
+already_AddRefed<NativeFontResourceMac>
+NativeFontResourceMac::Create(uint8_t *aFontData, uint32_t aDataLength)
+{
+  // copy font data
+  CFDataRef data = CFDataCreate(kCFAllocatorDefault, aFontData, aDataLength);
+  if (!data) {
+    return nullptr;
+  }
+
+  // create a provider
+  CGDataProviderRef provider = CGDataProviderCreateWithCFData(data);
+
+  // release our reference to the CFData, provider keeps it alive
+  CFRelease(data);
+
+  // create the font object
+  CGFontRef fontRef = CGFontCreateWithDataProvider(provider);
+
+  // release our reference, font will keep it alive as long as needed
+  CGDataProviderRelease(provider);
+
+  if (!fontRef) {
+    return nullptr;
+  }
+
+  // passes ownership of fontRef to the NativeFontResourceMac instance
+  RefPtr<NativeFontResourceMac> fontResource =
+    new NativeFontResourceMac(fontRef);
+
+  return fontResource.forget();
+}
+
+already_AddRefed<ScaledFont>
+NativeFontResourceMac::CreateScaledFont(uint32_t aIndex, Float aGlyphSize,
+                                        const uint8_t* aInstanceData, uint32_t aInstanceDataLength)
+{
+  RefPtr<ScaledFontBase> scaledFont = new ScaledFontMac(mFontRef, aGlyphSize);
+
+  if (!scaledFont->PopulateCairoScaledFont()) {
+    gfxWarning() << "Unable to create cairo scaled Mac font.";
+    return nullptr;
+  }
+
+  return scaledFont.forget();
+}
+
+} // gfx
+} // mozilla