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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
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