File: cairo-solid-pattern.cpp

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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
// SPDX-License-Identifier: MIT OR LGPL-2.0-or-later
// SPDX-FileCopyrightText: 2010 litl, LLC.

#include <config.h>

#include <cairo.h>

#include <js/CallArgs.h>
#include <js/PropertyDescriptor.h>  // for JSPROP_READONLY
#include <js/PropertySpec.h>
#include <js/RootingAPI.h>
#include <js/TypeDecls.h>
#include <jsapi.h>  // for JS_NewObjectWithGivenProto
#include <jspubtd.h>  // for JSProtoKey

#include "gjs/jsapi-util-args.h"
#include "gjs/macros.h"
#include "modules/cairo-private.h"

JSObject* CairoSolidPattern::new_proto(JSContext* cx, JSProtoKey) {
    JS::RootedObject parent_proto(cx, CairoPattern::prototype(cx));
    return JS_NewObjectWithGivenProto(cx, nullptr, parent_proto);
}

// clang-format off
const JSPropertySpec CairoSolidPattern::proto_props[] = {
    JS_STRING_SYM_PS(toStringTag, "SolidPattern", JSPROP_READONLY),
    JS_PS_END};
// clang-format on

GJS_JSAPI_RETURN_CONVENTION
static bool createRGB_func(JSContext* cx, unsigned argc, JS::Value* vp) {
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
    double red, green, blue;
    if (!gjs_parse_call_args(cx, "createRGB", args, "fff", "red", &red, "green",
                             &green, "blue", &blue))
        return false;

    cairo_pattern_t* pattern = cairo_pattern_create_rgb(red, green, blue);
    if (!gjs_cairo_check_status(cx, cairo_pattern_status(pattern), "pattern"))
        return false;

    JSObject* pattern_wrapper = CairoSolidPattern::from_c_ptr(cx, pattern);
    if (!pattern_wrapper)
        return false;
    cairo_pattern_destroy(pattern);

    args.rval().setObject(*pattern_wrapper);

    return true;
}

GJS_JSAPI_RETURN_CONVENTION
static bool createRGBA_func(JSContext* cx, unsigned argc, JS::Value* vp) {
    JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
    double red, green, blue, alpha;
    if (!gjs_parse_call_args(cx, "createRGBA", args, "ffff", "red", &red,
                             "green", &green, "blue", &blue, "alpha", &alpha))
        return false;

    cairo_pattern_t* pattern =
        cairo_pattern_create_rgba(red, green, blue, alpha);
    if (!gjs_cairo_check_status(cx, cairo_pattern_status(pattern), "pattern"))
        return false;

    JSObject* pattern_wrapper = CairoSolidPattern::from_c_ptr(cx, pattern);
    if (!pattern_wrapper)
        return false;
    cairo_pattern_destroy(pattern);

    args.rval().setObject(*pattern_wrapper);

    return true;
}

// clang-format off
const JSFunctionSpec CairoSolidPattern::static_funcs[] = {
    JS_FN("createRGB", createRGB_func, 0, 0),
    JS_FN("createRGBA", createRGBA_func, 0, 0),
    JS_FS_END};
// clang-format on