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-rw-r--r--gfx/src/AAStroke.h52
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diff --git a/gfx/src/AAStroke.h b/gfx/src/AAStroke.h
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+/* -*- 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_AA_STROKE_H
+#define MOZILLA_GFX_AA_STROKE_H
+
+#include <stddef.h>
+
+namespace AAStroke {
+
+enum class LineCap { Round, Square, Butt };
+enum class LineJoin { Round, Miter, Bevel };
+struct StrokeStyle {
+ float width;
+ LineCap cap;
+ LineJoin join;
+ float miter_limit;
+};
+struct Stroker;
+struct OutputVertex {
+ float x;
+ float y;
+ float coverage;
+};
+struct VertexBuffer {
+ OutputVertex* data;
+ size_t len;
+};
+
+extern "C" {
+Stroker* aa_stroke_new(const StrokeStyle* style,
+ OutputVertex* output_ptr = nullptr,
+ size_t output_capacity = 0);
+void aa_stroke_move_to(Stroker* s, float x, float y, bool closed);
+void aa_stroke_line_to(Stroker* s, float x, float y, bool end);
+void aa_stroke_curve_to(Stroker* s, float c1x, float c1y, float c2x, float c2y,
+ float x, float y, bool end);
+void aa_stroke_close(Stroker* s);
+VertexBuffer aa_stroke_finish(Stroker* s);
+VertexBuffer aa_stroke_filled_circle(float cx, float cy, float radius,
+ OutputVertex* output_ptr = nullptr,
+ size_t output_capacity = 0);
+void aa_stroke_vertex_buffer_release(VertexBuffer vb);
+void aa_stroke_release(Stroker* s);
+};
+
+} // namespace AAStroke
+
+#endif // MOZILLA_GFX_AA_STROKE_H