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/* -*- c-file-style: "gnu"; indent-tabs-mode: nil -*- */
/*
* Ruby Cairo Binding
*
* Copyright 2005-2010 Kouhei Sutou <kou@cozmixng.org>
*
* This file is made available under the same terms as Ruby
*
*/
#ifndef RB_CAIRO_IO_H
#define RB_CAIRO_IO_H
#include <rb_cairo.h>
typedef struct rb_cairo__io_callback_closure {
VALUE target;
VALUE error;
unsigned char *data;
unsigned int length;
} rb_cairo__io_callback_closure_t;
typedef struct rb_cairo__io_invoke_data {
cr_callback_func_t func;
VALUE data;
} rb_cairo__io_invoke_data_t;
RB_CAIRO_VAR ID rb_cairo__io_id_read;
RB_CAIRO_VAR ID rb_cairo__io_id_write;
RB_CAIRO_VAR ID rb_cairo__io_id_output;
RB_CAIRO_VAR ID rb_cairo__io_id_to_io;
RB_CAIRO_VAR ID rb_cairo__io_id_to_path;
rb_cairo__io_callback_closure_t *
rb_cairo__io_closure_new (VALUE target);
void rb_cairo__io_closure_destroy (rb_cairo__io_callback_closure_t *closure);
void rb_cairo__io_closure_free (void *closure);
cairo_status_t rb_cairo__io_write_func (void *write_closure,
const unsigned char *data,
unsigned int length);
cairo_status_t rb_cairo__io_read_func (void *read_closure,
unsigned char *data,
unsigned int length);
#endif
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