| /* |
| * Copyright 2021 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #ifndef SKIA_BINDINGS_H |
| #define SKIA_BINDINGS_H |
| |
| #include <emscripten.h> |
| #include <emscripten/bind.h> |
| using namespace emscripten; |
| |
| // The following two macros allow for the generation of various support files to create |
| // Canvaskit. The code inside the parentheses should be the Typescript declaration of whatever |
| // the following line or lines of code are describing. There are 3 types of files created, the |
| // ambient namespace files (e.g. core.d.ts; the public and private JS functions exposed by embind), |
| // externs.js (used to tell the Closure compiler not to minify certain names in the interface |
| // code) and the API Summary doc (index.d.ts). Types declared with TS_PRIVATE_EXPORT will |
| // only appear in the first two; TS_EXPORT will show up in all three. |
| // |
| // Because TS_EXPORT will show up in the public API docs, it is required that all TS_EXPORT |
| // declarations are preceded by docs starting with /** that will be copied into the final API |
| // summary doc, otherwise the generation step will fail. |
| // |
| // The declarations will be normal TS, with the exception of having a ClassName:: as a prefix if |
| // we are exposing a method on a class. This lets us properly group methods together. |
| // |
| // As an example: |
| // |
| // TS_PRIVATE_EXPORT("_privateFunction(x: number, y: number): number") |
| // function("_privateFunction", optional_override([](int x, int y)->size_t { |
| // return x * y; |
| // })); |
| // |
| // /** See SkCanvas.h for more on this class */ |
| // class_<SkCanvas>("Canvas") |
| // /** |
| // * Draw the given paint using the current matrix and cli. |
| // * @param p a paint to draw. |
| // */ |
| // TS_EXPORT("Canvas::drawPaint(p: Paint): void") |
| // .function("drawPaint", &SkCanvas::drawPaint) |
| #define TS_PRIVATE_EXPORT(ts_code) |
| #define TS_EXPORT(ts_code) |
| |
| #endif // SKIA_BINDINGS_H |
