mirror of
https://github.com/mkxp-z/mkxp-z.git
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42c4ff9497
According to AddressSanitizer, when `sandbox_malloc` causes the WebAssembly memory to grow in size, every single coroutine on the sandbox stack gets corrupted. So if `sandbox_malloc` is going to cause the memory to grow in size, we need to yield so that there are no coroutines on the sandbox stack while the reallocation occurs.
253 lines
11 KiB
C++
253 lines
11 KiB
C++
/*
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** bitmap-binding.h
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**
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** This file is part of mkxp.
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**
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** Copyright (C) 2013 - 2021 Amaryllis Kulla <ancurio@mapleshrine.eu>
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**
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** mkxp is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 2 of the License, or
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** (at your option) any later version.
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**
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** mkxp is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with mkxp. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MKXPZ_SANDBOX_BITMAP_BINDING_H
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#define MKXPZ_SANDBOX_BITMAP_BINDING_H
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#include "sandbox.h"
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#include "binding-util.h"
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#include "bitmap.h"
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namespace mkxp_sandbox {
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static struct mkxp_sandbox::bindings::rb_data_type bitmap_type;
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SANDBOX_COROUTINE(bitmap_binding_init,
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SANDBOX_DEF_ALLOC(bitmap_type)
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SANDBOX_DEF_DFREE(Bitmap)
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SANDBOX_COROUTINE(init_props,
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VALUE id;
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VALUE klass;
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VALUE font;
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void operator()(Bitmap *bitmap, VALUE obj) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_AND_SET(id, rb_intern, "Font");
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SANDBOX_AWAIT_AND_SET(klass, rb_const_get, sb()->rb_cObject(), id);
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SANDBOX_AWAIT_AND_SET(font, rb_class_new_instance, 0, NULL, klass);
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SANDBOX_AWAIT(rb_iv_set, obj, "font", font);
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}
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}
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)
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static VALUE initialize(int32_t argc, wasm_ptr_t argv, VALUE self) {
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SANDBOX_COROUTINE(coro,
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Bitmap *bitmap;
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wasm_ptr_t filename;
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wasm_size_t width;
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wasm_size_t height;
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VALUE operator()(int32_t argc, wasm_ptr_t argv, VALUE self) {
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BOOST_ASIO_CORO_REENTER (this) {
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if (argc == 1) {
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SANDBOX_AWAIT_AND_SET(filename, rb_string_value_cstr, (VALUE *)(**sb() + argv));
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GFX_GUARD_EXC(bitmap = new Bitmap((const char *)(**sb() + filename));)
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} else {
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SANDBOX_AWAIT_AND_SET(width, rb_num2ulong, ((VALUE *)(**sb() + argv))[0]);
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SANDBOX_AWAIT_AND_SET(height, rb_num2ulong, ((VALUE *)(**sb() + argv))[1]);
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GFX_GUARD_EXC(bitmap = new Bitmap(width, height);)
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}
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SANDBOX_AWAIT(set_private_data, self, bitmap);
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SANDBOX_AWAIT(init_props, bitmap, self);
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}
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return SANDBOX_NIL;
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}
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)
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return sb()->bind<struct coro>()()(argc, argv, self);
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}
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static VALUE dispose(VALUE self) {
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Bitmap *bitmap = get_private_data<Bitmap>(self);
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if (bitmap != NULL) {
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bitmap->dispose();
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}
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return SANDBOX_NIL;
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}
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static VALUE disposed(VALUE self) {
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Bitmap *bitmap = get_private_data<Bitmap>(self);
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return bitmap == NULL || bitmap->isDisposed() ? SANDBOX_TRUE : SANDBOX_FALSE;
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}
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static VALUE clear(VALUE self) {
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GFX_GUARD_EXC(get_private_data<Bitmap>(self)->clear());
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return SANDBOX_NIL;
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}
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static VALUE fill_rect(int32_t argc, wasm_ptr_t argv, VALUE self) {
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SANDBOX_COROUTINE(coro,
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Bitmap *bitmap;
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int x;
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int y;
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int width;
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int height;
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VALUE operator()(int32_t argc, wasm_ptr_t argv, VALUE self) {
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BOOST_ASIO_CORO_REENTER (this) {
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bitmap = get_private_data<Bitmap>(self);
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if (argc == 2) {
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GFX_GUARD_EXC(bitmap->fillRect(get_private_data<Rect>(((VALUE *)(**sb() + argv))[0])->toIntRect(), get_private_data<Color>(((VALUE *)(**sb() + argv))[1])->norm);)
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} else {
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SANDBOX_AWAIT_AND_SET(x, rb_num2int, ((VALUE *)(**sb() + argv))[0]);
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SANDBOX_AWAIT_AND_SET(y, rb_num2int, ((VALUE *)(**sb() + argv))[1]);
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SANDBOX_AWAIT_AND_SET(width, rb_num2int, ((VALUE *)(**sb() + argv))[2]);
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SANDBOX_AWAIT_AND_SET(height, rb_num2int, ((VALUE *)(**sb() + argv))[3]);
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GFX_GUARD_EXC(bitmap->fillRect(x, y, width, height, get_private_data<Color>(((VALUE *)(**sb() + argv))[4])->norm);)
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}
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}
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return SANDBOX_NIL;
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}
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)
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return sb()->bind<struct coro>()()(argc, argv, self);
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}
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static VALUE draw_text(int32_t argc, wasm_ptr_t argv, VALUE self) {
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SANDBOX_COROUTINE(coro,
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Bitmap *bitmap;
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wasm_ptr_t str;
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int align;
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int x;
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int y;
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int width;
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int height;
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VALUE operator()(int32_t argc, wasm_ptr_t argv, VALUE self) {
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BOOST_ASIO_CORO_REENTER (this) {
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bitmap = get_private_data<Bitmap>(self);
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// TODO: handle RGSS version >= 2
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if (argc == 2 || argc == 3) {
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SANDBOX_AWAIT_AND_SET(str, rb_string_value_cstr, (VALUE *)(**sb() + argv) + 1);
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if (argc == 2) {
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GFX_GUARD_EXC(bitmap->drawText(get_private_data<Rect>(((VALUE *)(**sb() + argv))[0])->toIntRect(), (const char *)(**sb() + str));)
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} else {
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SANDBOX_AWAIT_AND_SET(align, rb_num2int, ((VALUE *)(**sb() + argv))[2]);
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GFX_GUARD_EXC(bitmap->drawText(get_private_data<Rect>(((VALUE *)(**sb() + argv))[0])->toIntRect(), (const char *)(**sb() + str), align);)
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}
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} else {
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SANDBOX_AWAIT_AND_SET(x, rb_num2int, ((VALUE *)(**sb() + argv))[0]);
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SANDBOX_AWAIT_AND_SET(y, rb_num2int, ((VALUE *)(**sb() + argv))[1]);
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SANDBOX_AWAIT_AND_SET(width, rb_num2int, ((VALUE *)(**sb() + argv))[2]);
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SANDBOX_AWAIT_AND_SET(height, rb_num2int, ((VALUE *)(**sb() + argv))[3]);
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SANDBOX_AWAIT_AND_SET(str, rb_string_value_cstr, (VALUE *)(**sb() + argv) + 4);
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if (argc < 6) {
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GFX_GUARD_EXC(bitmap->drawText(x, y, width, height, (const char *)(**sb() + str));)
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} else {
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SANDBOX_AWAIT_AND_SET(align, rb_num2int, ((VALUE *)(**sb() + argv))[5]);
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GFX_GUARD_EXC(bitmap->drawText(x, y, width, height, (const char *)(**sb() + str), align);)
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}
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}
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}
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return SANDBOX_NIL;
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}
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)
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return sb()->bind<struct coro>()()(argc, argv, self);
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}
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static VALUE get_font(VALUE self) {
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return sb()->bind<struct rb_iv_get>()()(self, "font");
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}
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static VALUE width(VALUE self) {
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return sb()->bind<struct rb_ull2inum>()()(get_private_data<Bitmap>(self)->width());
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}
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static VALUE height(VALUE self) {
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return sb()->bind<struct rb_ull2inum>()()(get_private_data<Bitmap>(self)->height());
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}
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static VALUE rect(VALUE self) {
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SANDBOX_COROUTINE(coro,
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ID id;
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VALUE klass;
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VALUE obj;
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VALUE operator()(VALUE self) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_AND_SET(id, rb_intern, "Rect");
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SANDBOX_AWAIT_AND_SET(klass, rb_const_get, sb()->rb_cObject(), id);
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SANDBOX_AWAIT_AND_SET(obj, rb_obj_alloc, klass);
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SANDBOX_AWAIT(set_private_data, obj, new Rect(get_private_data<Bitmap>(self)->rect()));
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}
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return obj;
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}
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)
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return sb()->bind<struct coro>()()(self);
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}
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static VALUE text_size(VALUE self, VALUE text) {
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SANDBOX_COROUTINE(coro,
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wasm_ptr_t str;
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ID id;
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VALUE klass;
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VALUE obj;
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VALUE operator()(VALUE self, VALUE text) {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_AND_SET(str, rb_string_value_cstr, &text);
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SANDBOX_AWAIT_AND_SET(id, rb_intern, "Rect");
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SANDBOX_AWAIT_AND_SET(klass, rb_const_get, sb()->rb_cObject(), id);
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SANDBOX_AWAIT_AND_SET(obj, rb_obj_alloc, klass);
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SANDBOX_AWAIT(set_private_data, obj, new Rect(get_private_data<Bitmap>(self)->textSize((const char *)(**sb() + str))));
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}
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return obj;
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}
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)
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return sb()->bind<struct coro>()()(self, text);
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}
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VALUE klass;
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void operator()() {
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BOOST_ASIO_CORO_REENTER (this) {
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SANDBOX_AWAIT_AND_SET(bitmap_type, new_rb_data_type, "Bitmap", NULL, dfree, NULL, NULL, 0, 0, 0);
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SANDBOX_AWAIT_AND_SET(klass, rb_define_class, "Bitmap", sb()->rb_cObject());
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SANDBOX_AWAIT(rb_define_alloc_func, klass, alloc);
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SANDBOX_AWAIT(rb_define_method, klass, "initialize", (VALUE (*)(ANYARGS))initialize, -1);
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SANDBOX_AWAIT(rb_define_method, klass, "dispose", (VALUE (*)(ANYARGS))dispose, 0);
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SANDBOX_AWAIT(rb_define_method, klass, "disposed?", (VALUE (*)(ANYARGS))disposed, 0);
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SANDBOX_AWAIT(rb_define_method, klass, "clear", (VALUE (*)(ANYARGS))clear, 0);
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SANDBOX_AWAIT(rb_define_method, klass, "fill_rect", (VALUE (*)(ANYARGS))fill_rect, -1);
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SANDBOX_AWAIT(rb_define_method, klass, "draw_text", (VALUE (*)(ANYARGS))draw_text, -1);
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SANDBOX_AWAIT(rb_define_method, klass, "font", (VALUE (*)(ANYARGS))get_font, 0);
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SANDBOX_AWAIT(rb_define_method, klass, "width", (VALUE (*)(ANYARGS))width, 0);
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SANDBOX_AWAIT(rb_define_method, klass, "height", (VALUE (*)(ANYARGS))height, 0);
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SANDBOX_AWAIT(rb_define_method, klass, "rect", (VALUE (*)(ANYARGS))rect, 0);
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SANDBOX_AWAIT(rb_define_method, klass, "text_size", (VALUE (*)(ANYARGS))text_size, 1);
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}
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}
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)
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}
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#endif // MKXPZ_SANDBOX_BITMAP_BINDING_H
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