/**
* gjs_cairo_surface_from_surface:
* @context: the context
* @surface: cairo_surface to attach to the object
*
* Constructs a surface wrapper given cairo surface.
* A reference to @surface will be taken.
*
*/
JSObject *
gjs_cairo_surface_from_surface(JSContext *context,
cairo_surface_t *surface)
{
JSObject *object;
g_return_val_if_fail(context != NULL, NULL);
g_return_val_if_fail(surface != NULL, NULL);
switch (cairo_surface_get_type(surface)) {
case CAIRO_SURFACE_TYPE_IMAGE:
return gjs_cairo_image_surface_from_surface(context, surface);
case CAIRO_SURFACE_TYPE_PDF:
return gjs_cairo_pdf_surface_from_surface(context, surface);
/*
case CAIRO_SURFACE_TYPE_PS:
return gjs_cairo_ps_surface_from_surface(context, surface);
*/
case CAIRO_SURFACE_TYPE_SVG:
return gjs_cairo_svg_surface_from_surface(context, surface);
default:
break;
}
object = JS_NewObject(context, &gjs_cairo_surface_class, NULL, NULL);
if (!object) {
gjs_throw(context, "failed to create surface");
return NULL;
}
gjs_cairo_surface_construct(context, object, surface);
return object;
}
/**
* gjs_cairo_surface_from_surface:
* @context: the context
* @surface: cairo_surface to attach to the object
*
* Constructs a surface wrapper given cairo surface.
* A reference to @surface will be taken.
*
*/
JSObject *
gjs_cairo_surface_from_surface(JSContext *context,
cairo_surface_t *surface)
{
g_return_val_if_fail(context != NULL, NULL);
g_return_val_if_fail(surface != NULL, NULL);
cairo_surface_type_t type = cairo_surface_get_type(surface);
if (type == CAIRO_SURFACE_TYPE_IMAGE)
return gjs_cairo_image_surface_from_surface(context, surface);
if (type == CAIRO_SURFACE_TYPE_PDF)
return gjs_cairo_pdf_surface_from_surface(context, surface);
if (type == CAIRO_SURFACE_TYPE_PS)
return gjs_cairo_ps_surface_from_surface(context, surface);
if (type == CAIRO_SURFACE_TYPE_SVG)
return gjs_cairo_svg_surface_from_surface(context, surface);
JS::RootedObject proto(context, gjs_cairo_surface_get_proto(context));
JS::RootedObject object(context,
JS_NewObjectWithGivenProto(context, &gjs_cairo_surface_class, proto));
if (!object) {
gjs_throw(context, "failed to create surface");
return NULL;
}
gjs_cairo_surface_construct(context, object, surface);
return object;
}
static JSBool
gjs_cairo_ps_surface_constructor(JSContext *context,
JSObject *obj,
uintN argc,
jsval *argv,
jsval *retval)
{
char *filename;
double width, height;
cairo_surface_t *surface;
if (!gjs_check_constructing(context))
return JS_FALSE;
if (!gjs_parse_args(context, "PSSurface", "sff", argc, argv,
"filename", &filename,
"width", &width,
"height", &height))
return JS_FALSE;
surface = cairo_ps_surface_create(filename, width, height);
if (!gjs_cairo_check_status(context, cairo_surface_status(surface),
"surface")) {
g_free(filename);
return JS_FALSE;
}
gjs_cairo_surface_construct(context, obj, surface);
cairo_surface_destroy(surface);
g_free(filename);
return JS_TRUE;
}
static JSBool
createFromPNG_func(JSContext *context,
JSObject *obj,
uintN argc,
jsval *argv,
jsval *retval)
{
char *filename;
cairo_surface_t *surface;
JSObject *surface_wrapper;
if (!gjs_parse_args(context, "createFromPNG", "s", argc, argv,
"filename", &filename))
return JS_FALSE;
surface = cairo_image_surface_create_from_png(filename);
if (!gjs_cairo_check_status(context, cairo_surface_status(surface), "surface"))
return JS_FALSE;
surface_wrapper = JS_NewObject(context, &gjs_cairo_image_surface_class, NULL, NULL);
if (!surface_wrapper) {
gjs_throw(context, "failed to create surface");
return JS_FALSE;
}
gjs_cairo_surface_construct(context, surface_wrapper, surface);
cairo_surface_destroy(surface);
*retval = OBJECT_TO_JSVAL(surface_wrapper);
return JS_TRUE;
}
static JSBool
gjs_cairo_image_surface_constructor(JSContext *context,
JSObject *obj,
uintN argc,
jsval *argv,
jsval *retval)
{
int format, width, height;
cairo_surface_t *surface;
if (!gjs_check_constructing(context))
return JS_FALSE;
// create_for_data optional parameter
if (!gjs_parse_args(context, "ImageSurface", "iii", argc, argv,
"format", &format,
"width", &width,
"height", &height))
return JS_FALSE;
surface = cairo_image_surface_create(format, width, height);
if (!gjs_cairo_check_status(context, cairo_surface_status(surface), "surface"))
return JS_FALSE;
gjs_cairo_surface_construct(context, obj, surface);
cairo_surface_destroy(surface);
return JS_TRUE;
}
JSObject *
gjs_cairo_ps_surface_from_surface(JSContext *context,
cairo_surface_t *surface)
{
JSObject *object;
g_return_val_if_fail(context != NULL, NULL);
g_return_val_if_fail(surface != NULL, NULL);
g_return_val_if_fail(cairo_surface_get_type(surface) == CAIRO_SURFACE_TYPE_PS, NULL);
object = JS_NewObject(context, &gjs_cairo_ps_surface_class, NULL, NULL);
if (!object) {
gjs_throw(context, "failed to create ps surface");
return NULL;
}
gjs_cairo_surface_construct(context, object, surface);
return object;
}
