1 files changed, 98 insertions, 0 deletions
diff --git a/gfx/2d/UnscaledFontMac.h b/gfx/2d/UnscaledFontMac.h
new file mode 100644
index 0000000000..72524feeb4
--- /dev/null
+++ b/gfx/2d/UnscaledFontMac.h
@@ -0,0 +1,98 @@
+/* -*- 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/. */
+
+#ifndef MOZILLA_GFX_UNSCALEDFONTMAC_H_
+#define MOZILLA_GFX_UNSCALEDFONTMAC_H_
+
+#ifdef MOZ_WIDGET_COCOA
+#  include <ApplicationServices/ApplicationServices.h>
+#else
+#  include <CoreGraphics/CoreGraphics.h>
+#  include <CoreText/CoreText.h>
+#endif
+
+#include "2D.h"
+
+namespace mozilla {
+namespace gfx {
+
+class UnscaledFontMac final : public UnscaledFont {
+ public:
+  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontMac, override)
+  explicit UnscaledFontMac(CGFontRef aFont, bool aIsDataFont = false)
+      : mFont(aFont), mIsDataFont(aIsDataFont) {
+    CFRetain(mFont);
+  }
+  explicit UnscaledFontMac(CTFontDescriptorRef aFontDesc, CGFontRef aFont,
+                           bool aIsDataFont = false)
+      : mFontDesc(aFontDesc), mFont(aFont), mIsDataFont(aIsDataFont) {
+    CFRetain(mFontDesc);
+    CFRetain(mFont);
+  }
+
+  virtual ~UnscaledFontMac() {
+    if (mCTAxesCache) {
+      CFRelease(mCTAxesCache);
+    }
+    if (mCGAxesCache) {
+      CFRelease(mCGAxesCache);
+    }
+    if (mFontDesc) {
+      CFRelease(mFontDesc);
+    }
+    if (mFont) {
+      CFRelease(mFont);
+    }
+  }
+
+  FontType GetType() const override { return FontType::MAC; }
+
+  CGFontRef GetFont() const { return mFont; }
+
+  bool GetFontFileData(FontFileDataOutput aDataCallback, void* aBaton) override;
+
+  bool IsDataFont() const { return mIsDataFont; }
+
+  already_AddRefed<ScaledFont> CreateScaledFont(
+      Float aGlyphSize, const uint8_t* aInstanceData,
+      uint32_t aInstanceDataLength, const FontVariation* aVariations,
+      uint32_t aNumVariations) override;
+
+  already_AddRefed<ScaledFont> CreateScaledFontFromWRFont(
+      Float aGlyphSize, const wr::FontInstanceOptions* aOptions,
+      const wr::FontInstancePlatformOptions* aPlatformOptions,
+      const FontVariation* aVariations, uint32_t aNumVariations) override;
+
+  static CGFontRef CreateCGFontWithVariations(CGFontRef aFont,
+                                              CFArrayRef& aCGAxesCache,
+                                              CFArrayRef& aCTAxesCache,
+                                              uint32_t aVariationCount,
+                                              const FontVariation* aVariations);
+
+  // Generate a font descriptor to send to WebRender. The descriptor consists
+  // of a string that concatenates the PostScript name of the font and the path
+  // to the font file, and an "index" that indicates the length of the psname
+  // part of the string (= starting offset of the path).
+  bool GetFontDescriptor(FontDescriptorOutput aCb, void* aBaton) override;
+
+  CFArrayRef& CGAxesCache() { return mCGAxesCache; }
+  CFArrayRef& CTAxesCache() { return mCTAxesCache; }
+
+  static already_AddRefed<UnscaledFont> CreateFromFontDescriptor(
+      const uint8_t* aData, uint32_t aDataLength, uint32_t aIndex);
+
+ private:
+  CTFontDescriptorRef mFontDesc = nullptr;
+  CGFontRef mFont = nullptr;
+  CFArrayRef mCGAxesCache = nullptr;  // Cached arrays of variation axis details
+  CFArrayRef mCTAxesCache = nullptr;
+  bool mIsDataFont;
+};
+
+}  // namespace gfx
+}  // namespace mozilla
+
+#endif /* MOZILLA_GFX_UNSCALEDFONTMAC_H_ */