/* -*- 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
