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netsurf/content/handlers/javascript/duktape/ImageData.bnd

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/* HTML canvas ImageData objects
*
* Copyright 2020 Daniel Silverstone <dsilvers@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* Released under the terms of the MIT License,
* http://www.opensource.org/licenses/mit-license
*/
class ImageData {
private int width;
private int height;
private uint8_t *data;
};
init ImageData(int width, int height)
%{
priv->width = width;
priv->height = height;
priv->data = duk_push_buffer(ctx, width * height * 4, false);
duk_put_prop_string(ctx, 0, MAGIC(DATA));
duk_pop(ctx);
%}
getter ImageData::width()
%{
duk_push_int(ctx, priv->width);
return 1;
%}
getter ImageData::height()
%{
duk_push_int(ctx, priv->height);
return 1;
%}
getter ImageData::data()
%{
duk_push_this(ctx);
duk_get_prop_string(ctx, -1, MAGIC(DATA));
duk_push_buffer_object(ctx, -1, 0, priv->width * priv->height * 4llu, DUK_BUFOBJ_UINT8CLAMPEDARRAY);
return 1;
%}