1 files changed, 58 insertions, 0 deletions
diff --git a/gfx/tests/fuzz/MockScaledFont.h b/gfx/tests/fuzz/MockScaledFont.h
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+++ b/gfx/tests/fuzz/MockScaledFont.h
@@ -0,0 +1,58 @@
+/* -*- 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 FUZZ_MOCKSCALEDFONT_H
+#define FUZZ_MOCKSCALEDFONT_H
+
+#include "mozilla/gfx/2D.h"
+
+class MockUnscaledFont : public mozilla::gfx::UnscaledFont {
+ public:
+  using FontType = mozilla::gfx::FontType;
+
+  FontType GetType() const final { return FontType::UNKNOWN; }
+};
+
+class MockScaledFont : public mozilla::gfx::ScaledFont {
+ public:
+  using FontType = mozilla::gfx::FontType;
+  using Float = mozilla::gfx::Float;
+  using Path = mozilla::gfx::Path;
+  using GlyphBuffer = mozilla::gfx::GlyphBuffer;
+  using DrawTarget = mozilla::gfx::DrawTarget;
+  using PathBuilder = mozilla::gfx::PathBuilder;
+  using Matrix = mozilla::gfx::Matrix;
+
+  MockScaledFont(const RefPtr<MockUnscaledFont>& aUnscaledFont,
+                 hb_font_t* aHBFont)
+      : ScaledFont(aUnscaledFont), mHBFont(hb_font_reference(aHBFont)) {}
+  virtual ~MockScaledFont() { hb_font_destroy(mHBFont); }
+
+  FontType GetType() const final { return FontType::UNKNOWN; }
+  Float GetSize() const final {
+    int x, y;
+    hb_font_get_scale(mHBFont, &x, &y);
+    return Float(y / 65536.0);
+  }
+  already_AddRefed<Path> GetPathForGlyphs(const GlyphBuffer& aBuffer,
+                                          const DrawTarget* aTarget) final {
+    RefPtr builder = mozilla::gfx::Factory::CreateSimplePathBuilder();
+    CopyGlyphsToBuilder(aBuffer, builder);
+    RefPtr path = builder->Finish();
+    return path.forget();
+  }
+  void CopyGlyphsToBuilder(const GlyphBuffer& aBuffer, PathBuilder* aBuilder,
+                           const Matrix* aTransformHint = nullptr) final {
+    // We could use hb_font_get_glyph_shape to extract the glyph path here,
+    // but the COLRv1 parsing code doesn't actually use it (it just passes it
+    // through to Moz2D), so for now we'll just return an empty path.
+  }
+
+ private:
+  hb_font_t* mHBFont;
+};
+
+#endif