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/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
/* Copyright 2010 litl, LLC. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <config.h>
#include <gjs/gjs-module.h>
#include <gjs/compat.h>
#include <cairo.h>
#include "cairo-private.h"
typedef struct {
void *dummy;
JSContext *context;
JSObject *object;
cairo_pattern_t *pattern;
} GjsCairoPattern;
GJS_DEFINE_PROTO_ABSTRACT("CairoPattern", cairo_pattern)
GJS_DEFINE_PRIV_FROM_JS(GjsCairoPattern, gjs_cairo_pattern_class)
static void
gjs_cairo_pattern_finalize(JSContext *context,
JSObject *obj)
{
GjsCairoPattern *priv;
priv = JS_GetPrivate(context, obj);
if (priv == NULL)
return;
cairo_pattern_destroy(priv->pattern);
g_slice_free(GjsCairoPattern, priv);
}
/* Properties */
static JSPropertySpec gjs_cairo_pattern_proto_props[] = {
{ NULL }
};
/* Methods */
static JSBool
getType_func(JSContext *context,
uintN argc,
jsval *vp)
{
JSObject *obj = JS_THIS_OBJECT(context, vp);
cairo_pattern_t *pattern;
cairo_pattern_type_t type;
if (argc > 1) {
gjs_throw(context, "Pattern.getType() takes no arguments");
return JS_FALSE;
}
pattern = gjs_cairo_pattern_get_pattern(context, obj);
type = cairo_pattern_get_type(pattern);
if (!gjs_cairo_check_status(context, cairo_pattern_status(pattern), "pattern"))
return JS_FALSE;
JS_SET_RVAL(context, vp, INT_TO_JSVAL(type));
return JS_TRUE;
}
static JSFunctionSpec gjs_cairo_pattern_proto_funcs[] = {
// getMatrix
{ "getType", (JSNative)getType_func, 0, JSFUN_FAST_NATIVE },
// setMatrix
{ NULL }
};
/* Public API */
/**
* gjs_cairo_pattern_construct:
* @context: the context
* @object: object to construct
* @pattern: cairo_pattern to attach to the object
*
* Constructs a pattern wrapper giving an empty JSObject and a
* cairo pattern. A reference to @pattern will be taken.
*
* This is mainly used for subclasses where object is already created.
*/
void
gjs_cairo_pattern_construct(JSContext *context,
JSObject *object,
cairo_pattern_t *pattern)
{
GjsCairoPattern *priv;
g_return_if_fail(context != NULL);
g_return_if_fail(object != NULL);
g_return_if_fail(pattern != NULL);
priv = g_slice_new0(GjsCairoPattern);
g_assert(priv_from_js(context, object) == NULL);
JS_SetPrivate(context, object, priv);
priv->context = context;
priv->object = object;
priv->pattern = cairo_pattern_reference(pattern);
}
/**
* gjs_cairo_pattern_finalize:
* @context: the context
* @object: object to finalize
*
* Destroys the resources associated with a pattern wrapper.
*
* This is mainly used for subclasses.
*/
void
gjs_cairo_pattern_finalize_pattern(JSContext *context,
JSObject *object)
{
g_return_if_fail(context != NULL);
g_return_if_fail(object != NULL);
gjs_cairo_pattern_finalize(context, object);
}
/**
* gjs_cairo_pattern_from_pattern:
* @context: the context
* @pattern: cairo_pattern to attach to the object
*
* Constructs a pattern wrapper given cairo pattern.
* A reference to @pattern will be taken.
*
*/
JSObject *
gjs_cairo_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);
switch (cairo_pattern_get_type(pattern)) {
case CAIRO_PATTERN_TYPE_SOLID:
return gjs_cairo_solid_pattern_from_pattern(context, pattern);
case CAIRO_PATTERN_TYPE_SURFACE:
return gjs_cairo_surface_pattern_from_pattern(context, pattern);
case CAIRO_PATTERN_TYPE_LINEAR:
return gjs_cairo_linear_gradient_from_pattern(context, pattern);
case CAIRO_PATTERN_TYPE_RADIAL:
return gjs_cairo_radial_gradient_from_pattern(context, pattern);
default:
break;
}
gjs_throw(context, "failed to create pattern, unsupported pattern type %d",
cairo_pattern_get_type(pattern));
return NULL;
return object;
}
/**
* gjs_cairo_pattern_get_pattern:
* @context: the context
* @object: pattern wrapper
*
* Returns: the pattern attaches to the wrapper.
*
*/
cairo_pattern_t *
gjs_cairo_pattern_get_pattern(JSContext *context,
JSObject *object)
{
GjsCairoPattern *priv;
g_return_val_if_fail(context != NULL, NULL);
g_return_val_if_fail(object != NULL, NULL);
priv = JS_GetPrivate(context, object);
if (priv == NULL)
return NULL;
return priv->pattern;
}
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