C++ (Cpp) gjs_cairo_pattern_construct 예제들

예제 #1

파일: cairo-surface-pattern.c 프로젝트: sjokkis/gjs

static JSBool
gjs_cairo_surface_pattern_constructor(JSContext *context,
                                      JSObject  *obj,
                                      uintN      argc,
                                      jsval     *argv,
                                      jsval     *retval)
{
    JSObject *surface_wrapper;
    cairo_surface_t *surface;
    cairo_pattern_t *pattern;

    if (!gjs_check_constructing(context))
        return JS_FALSE;

    if (!gjs_parse_args(context, "SurfacePattern", "o", argc, argv,
                        "surface", &surface_wrapper))
        return JS_FALSE;

    surface = gjs_cairo_surface_get_surface(context, surface_wrapper);
    if (!surface) {
        gjs_throw(context, "first argument to SurfacePattern() should be a surface");
        return JS_FALSE;
    }

    pattern = cairo_pattern_create_for_surface(surface);

    if (!gjs_cairo_check_status(context, cairo_pattern_status(pattern), "pattern"))
        return JS_FALSE;

    gjs_cairo_pattern_construct(context, obj, pattern);
    cairo_pattern_destroy(pattern);

    return JS_TRUE;
}

예제 #2

파일: cairo-surface-pattern.cpp 프로젝트: 3dfxmadscientist/cjs

JSObject *
gjs_cairo_surface_pattern_from_pattern(JSContext       *context,
                                       cairo_pattern_t *pattern)
{
    JSObject *object;

    g_return_val_if_fail(context != NULL, NULL);
    g_return_val_if_fail(pattern != NULL, NULL);
    g_return_val_if_fail(cairo_pattern_get_type(pattern) == CAIRO_PATTERN_TYPE_SURFACE, NULL);

    object = JS_NewObject(context, &gjs_cairo_surface_pattern_class, NULL, NULL);
    if (!object) {
        gjs_throw(context, "failed to create surface pattern");
        return NULL;
    }

    gjs_cairo_pattern_construct(context, object, pattern);

    return object;
}