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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/***************************************************************************
osdepend.h
OS-dependent code interface.
*******************************************************************c********/
#ifndef MAME_OSD_OSDEPEND_H
#define MAME_OSD_OSDEPEND_H
#pragma once
#include "emufwd.h"
#include "bitmap.h"
#include "interface/midiport.h"
#include <cstdint>
#include <memory>
#include <string>
#include <string_view>
#include <vector>
// forward references
class input_type_entry;
namespace osd { class midi_input_port; class midi_output_port; }
namespace ui { class menu_item; }
//============================================================
// TYPE DEFINITIONS
//============================================================
// ======================> osd_font interface
class osd_font
{
public:
typedef std::unique_ptr<osd_font> ptr;
virtual ~osd_font() { }
/** attempt to "open" a handle to the font with the given name */
virtual bool open(std::string const &font_path, std::string const &name, int &height) = 0;
/** release resources associated with a given OSD font */
virtual void close() = 0;
/*!
* allocate and populate a BITMAP_FORMAT_ARGB32 bitmap containing
* the pixel values rgb_t(0xff,0xff,0xff,0xff) or
* rgb_t(0x00,0xff,0xff,0xff) for each pixel of a black & white font
*/
virtual bool get_bitmap(char32_t chnum, bitmap_argb32 &bitmap, std::int32_t &width, std::int32_t &xoffs, std::int32_t &yoffs) = 0;
};
// ======================> osd_interface
// 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;
virtual void input_update(bool relative_reset) = 0;
virtual void check_osd_inputs() = 0;
virtual void set_verbose(bool print_verbose) = 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_t *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(std::vector<input_type_entry> &typelist) = 0;
// video overridables
virtual void add_audio_to_recording(const int16_t *buffer, int samples_this_frame) = 0;
virtual std::vector<ui::menu_item> get_slider_list() = 0;
// font interface
virtual osd_font::ptr font_alloc() = 0;
virtual bool get_font_families(std::string const &font_path, std::vector<std::pair<std::string, std::string> > &result) = 0;
// command option overrides
virtual bool execute_command(const char *command) = 0;
// MIDI interface
virtual std::unique_ptr<osd::midi_input_port> create_midi_input(std::string_view name) = 0;
virtual std::unique_ptr<osd::midi_output_port> create_midi_output(std::string_view name) = 0;
virtual std::vector<osd::midi_port_info> list_midi_ports() = 0;
protected:
virtual ~osd_interface() { }
};
#endif // MAME_OSD_OSDEPEND_H
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