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/* -*- mode: C; indent-tabs-mode: t; tab-width: 8; c-basic-offset: 2; -*- */
/*
* This file is part of Seed, the GObject Introspection<->Javascript bindings.
*
* Seed is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2 of
* the License, or (at your option) any later version.
* Seed is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License
* along with Seed. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright (C) Robert Carr 2009 <carrr@rpi.edu>
*/
#include <seed.h>
#include <cairo/cairo.h>
#include "seed-cairo.h"
#include "seed-cairo-surface.h"
#define CAIRO_SURFACE_PRIV(obj) \
((cairo_surface_t*) seed_object_get_private(obj))
#define CHECK_SURFACE(obj) \
({ \
if (!seed_object_is_of_class(ctx, obj, \
seed_cairo_image_surface_class)) { \
seed_make_exception(ctx, exception, "ArgumentError", \
"Object is not a Cairo Surface"); \
return seed_make_undefined(ctx); \
} \
if (!seed_object_get_private(obj)) { \
seed_make_exception(ctx, exception, "ArgumentError", \
"Cairo surface has been destroyed"); \
return seed_make_undefined(ctx); \
} \
})
#define CHECK_THIS() \
if (!seed_object_get_private(this_object)) { \
seed_make_exception(ctx, exception, "ArgumentError", \
"Cairo surface has been destroyed"); \
return seed_make_undefined(ctx); \
}
SeedClass seed_cairo_image_surface_class;
SeedObject image_surface_constructor_ref;
static SeedObject
seed_object_from_cairo_image_surface(SeedContext ctx, cairo_surface_t* surf)
{
SeedObject jsobj;
jsobj = cairo_surface_get_user_data(surf, seed_get_cairo_key());
if (jsobj)
return jsobj;
jsobj = seed_make_object(ctx, seed_cairo_image_surface_class, surf);
cairo_surface_set_user_data(surf, seed_get_cairo_key(), jsobj,
seed_cairo_destroy_func);
return jsobj;
}
static SeedValue
seed_cairo_image_surface_get_format(SeedContext ctx,
SeedObject this_object,
SeedString property_name,
SeedException* exception)
{
CHECK_THIS();
return seed_value_from_long(ctx,
cairo_image_surface_get_format(
seed_object_to_cairo_surface(ctx, this_object,
exception)),
exception);
}
static SeedValue
seed_cairo_image_surface_get_width(SeedContext ctx,
SeedObject this_object,
SeedString property_name,
SeedException* exception)
{
CHECK_THIS();
return seed_value_from_int(ctx,
cairo_image_surface_get_width(
seed_object_to_cairo_surface(ctx, this_object,
exception)),
exception);
}
static SeedValue
seed_cairo_image_surface_get_height(SeedContext ctx,
SeedObject this_object,
SeedString property_name,
SeedException* exception)
{
CHECK_THIS();
return seed_value_from_int(ctx,
cairo_image_surface_get_height(
seed_object_to_cairo_surface(ctx, this_object,
exception)),
exception);
}
static SeedValue
seed_cairo_image_surface_get_stride(SeedContext ctx,
SeedObject this_object,
SeedString property_name,
SeedException* exception)
{
CHECK_THIS();
return seed_value_from_int(ctx,
cairo_image_surface_get_stride(
seed_object_to_cairo_surface(ctx, this_object,
exception)),
exception);
}
static SeedObject
seed_cairo_construct_image_surface(SeedContext ctx,
SeedObject constructor,
size_t argument_count,
const SeedValue arguments[],
SeedException* exception)
{
cairo_surface_t* ret;
gint width, height;
cairo_format_t format;
if (argument_count != 3) {
EXPECTED_EXCEPTION("ImageSurface", "3 arguments");
}
format = seed_value_to_long(ctx, arguments[0], exception);
width = seed_value_to_int(ctx, arguments[1], exception);
height = seed_value_to_int(ctx, arguments[2], exception);
ret = cairo_image_surface_create(format, width, height);
return seed_object_from_cairo_image_surface(ctx, ret);
}
seed_static_value image_surface_values[] = {
{ "format", seed_cairo_image_surface_get_format, 0,
SEED_PROPERTY_ATTRIBUTE_READ_ONLY | SEED_PROPERTY_ATTRIBUTE_DONT_DELETE },
{ "width", seed_cairo_image_surface_get_width, 0,
SEED_PROPERTY_ATTRIBUTE_READ_ONLY | SEED_PROPERTY_ATTRIBUTE_DONT_DELETE },
{ "height", seed_cairo_image_surface_get_height, 0,
SEED_PROPERTY_ATTRIBUTE_READ_ONLY | SEED_PROPERTY_ATTRIBUTE_DONT_DELETE },
{ "stride", seed_cairo_image_surface_get_stride, 0,
SEED_PROPERTY_ATTRIBUTE_READ_ONLY | SEED_PROPERTY_ATTRIBUTE_DONT_DELETE },
{ 0, 0, 0, 0 }
};
void
seed_define_cairo_image_surface(SeedContext ctx, SeedObject namespace_ref)
{
seed_class_definition image_def = seed_empty_class;
// TODO: FIX
seed_static_function webkit_fail = { 0, 0, 0 };
image_def.class_name = "ImageSurface";
image_def.static_values = image_surface_values;
image_def.parent_class = seed_get_cairo_surface_class();
// FAIL
image_def.static_functions = &webkit_fail;
seed_cairo_image_surface_class = seed_create_class(&image_def);
image_surface_constructor_ref
= seed_make_constructor(ctx, NULL,
// seed_cairo_image_surface_class,
seed_cairo_construct_image_surface);
seed_object_set_property(ctx, namespace_ref, "ImageSurface",
image_surface_constructor_ref);
}
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