netsurf/content/handlers/javascript/duktape/HTMLCanvasElement.bnd
Daniel Silverstone daed553a06
javascript: Support Canvas to a basic level
Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
2020-05-22 19:53:23 +01:00

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/* HTML canvas element binding using duktape and libdom
*
* Copyright 2020 Vincent Sanders <vince@netsurf-browser.org>
* 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
*/
init HTMLCanvasElement(struct dom_html_element *html_canvas_element::html_element);
getter HTMLCanvasElement::width();
/* setter HTMLCanvasElement::width(); */
getter HTMLCanvasElement::height();
/* setter HTMLCanvasElement::height(); */
method HTMLCanvasElement::getContext()
%{
/* modetype[, {options}] */
const char *modetype = duk_to_string(ctx, 0);
if (strcmp(modetype, "2d") != 0) {
duk_push_null(ctx);
return 1;
}
duk_push_this(ctx);
duk_get_prop_string(ctx, -1, MAGIC(Context2D));
if (duk_is_undefined(ctx, -1)) {
duk_pop(ctx);
duk_push_pointer(ctx, ((node_private_t*)priv)->node);
if (dukky_create_object(ctx,
PROTO_NAME(CANVASRENDERINGCONTEXT2D),
1) != DUK_EXEC_SUCCESS) {
return duk_error(ctx,
DUK_ERR_ERROR,
"Unable to create CanvasRenderingContext2D");
}
duk_dup(ctx, -1);
duk_put_prop_string(ctx, -3, MAGIC(Context2D));
}
return 1;
%}