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+// license:BSD-3-Clause
+// copyright-holders: Golden Child
+/*
+ bitmap printer (dot printer)
+
+ * provides a page bitmap to draw on
+ * reads and writes pixels (representing printer dots)
+ * function to save the bitmap
+ * updates the bitmap to screen and draws the printhead
+ * printhead position given in m_xpos and m_ypos
+ * also provides a cr_stepper and a pf_stepper
+ * moving the cr_stepper/pf_stepper will update m_xpos/m_ypos according to ratio specified
+
+ */
+
+#include "screen.h"
+#include "machine/steppers.h"
+
+#ifndef MAME_MACHINE_BITMAP_PRINTER_H
+#define MAME_MACHINE_BITMAP_PRINTER_H
+
+#pragma once
+
+class bitmap_printer_device : public device_t
+{
+public:
+ bitmap_printer_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ bitmap_printer_device(const machine_config &mconfig, const char *tag, device_t *owner, int paper_width, int paper_height, int hdpi, int vdpi);
+
+ enum
+ {
+ LED_ERROR,
+ LED_READY,
+ LED_ONLINE
+ };
+
+ void set_led_state(int led, int value);
+ void set_printhead_color(int headcolor, int bordcolor);
+ void set_printhead_size(int xsize, int ysize, int bordersize);
+ void setheadpos(int x, int y);
+
+ void write_snapshot_to_file();
+
+ void draw_pixel(int x, int y, int pixelval);
+ int get_pixel(int x, int y);
+ unsigned int &pix(int y, int x);
+
+ void bitmap_clear_band(bitmap_rgb32 &bitmap, int from_line, int to_line, u32 color);
+ void bitmap_clear_band(int from_line, int to_line, u32 color);
+ void clear_to_pos(int to_line, u32 color = 0xffffff);
+
+ int get_top_margin();
+ int get_bottom_margin();
+ bool check_new_page();
+
+ int update_stepper_delta(stepper_device *stepper, uint8_t pattern);
+ void update_cr_stepper(int pattern);
+ void update_pf_stepper(int pattern);
+
+ void set_pf_stepper_ratio(int ratio0, int ratio1);
+ void set_cr_stepper_ratio(int ratio0, int ratio1);
+
+ int m_cr_direction; // direction of carriage
+ int m_xpos;
+ int m_ypos;
+
+protected:
+ bitmap_printer_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual void device_reset_after_children() override;
+ virtual ioport_constructor device_input_ports() const override;
+ virtual void device_add_mconfig(machine_config &config) override;
+
+private:
+ required_device<screen_device> m_screen;
+ required_device<stepper_device> m_pf_stepper;
+ required_device<stepper_device> m_cr_stepper;
+
+ required_ioport m_top_margin_ioport;
+ required_ioport m_bottom_margin_ioport;
+ required_ioport m_draw_marks_ioport;
+
+ bitmap_rgb32 m_page_bitmap; // page bitmap
+
+ static constexpr int PAPER_SCREEN_HEIGHT = 384; // match the height of the apple II driver
+ static constexpr int m_distfrombottom = 50; // print position from bottom of screen
+ static constexpr int MAX_LEDS = 5;
+
+ int m_printhead_color;
+ int m_printhead_bordercolor;
+ int m_printhead_bordersize;
+ int m_printhead_xsize;
+ int m_printhead_ysize;
+ int m_page_dirty;
+ int m_paper_width;
+ int m_paper_height;
+ int m_hdpi;
+ int m_vdpi;
+ int m_clear_pos;
+ int m_newpage_flag; // used to keep printhead at the top of page until actual printing
+ int m_led_state[MAX_LEDS];
+ int m_num_leds;
+ int m_pf_stepper_ratio0;
+ int m_pf_stepper_ratio1;
+ int m_cr_stepper_ratio0;
+ int m_cr_stepper_ratio1;
+
+ void draw_printhead(bitmap_rgb32 &bitmap, int x, int y);
+ u32 dimcolor(u32 incolor, int factor);
+
+ int calc_scroll_y(bitmap_rgb32& bitmap);
+ uint32_t screen_update_bitmap(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+ void draw7seg(u8 data, bool is_digit, int x0, int y0, int width, int height, int thick, bitmap_rgb32 &bitmap, u32 color, u32 erasecolor);
+ void draw_number(int number, int x, int y, bitmap_rgb32& bitmap);
+ void draw_inch_marks(bitmap_rgb32& bitmap);
+};
+
+DECLARE_DEVICE_TYPE(BITMAP_PRINTER, bitmap_printer_device)
+
+#endif // MAME_MACHINE_BITMAP_PRINTER_H