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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
osdepend.h
OS-dependent code interface.
*******************************************************************c********/
#pragma once
#ifndef __OSDEPEND_H__
#define __OSDEPEND_H__
#include "emucore.h"
#include "osdcore.h"
#include "unicode.h"
#include "cliopts.h"
// forward references
class input_type_entry; // FIXME: including emu.h does not work because emu.h includes osdepend.h
//============================================================
// TYPE DEFINITIONS
//============================================================
// ======================> osd_font interface
class osd_font
{
public:
virtual ~osd_font() {}
virtual bool open(const char *font_path, const char *name, int &height) = 0;
virtual void close() = 0;
virtual bool get_bitmap(unicode_char chnum, bitmap_argb32 &bitmap, INT32 &width, INT32 &xoffs, INT32 &yoffs) = 0;
};
// ======================> osd_interface
struct slider_state;
// description of the currently-running machine
class osd_interface
{
public:
// general overridables
virtual void init(running_machine &machine) = 0;
virtual void update(bool skip_redraw) = 0;
// debugger overridables
virtual void init_debugger() = 0;
virtual void wait_for_debugger(device_t &device, bool firststop) = 0;
// audio overridables
virtual void update_audio_stream(const INT16 *buffer, int samples_this_frame) = 0;
virtual void set_mastervolume(int attenuation) = 0;
virtual bool no_sound() = 0;
// input overridables
virtual void customize_input_type_list(simple_list<input_type_entry> &typelist) = 0;
// video overridables
virtual slider_state *get_slider_list() = 0;
// font interface
virtual osd_font *font_alloc() = 0;
// command option overrides
virtual bool execute_command(const char *command) = 0;
// midi interface
virtual osd_midi_device *create_midi_device() = 0;
protected:
virtual ~osd_interface() { }
};
#endif /* __OSDEPEND_H__ */
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