+/* Copyright (C) 1989, 1992 Aladdin Enterprises. All rights reserved.
+ Distributed by Free Software Foundation, Inc.
+
+This file is part of Ghostscript.
+
+Ghostscript is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
+to anyone for the consequences of using it or for whether it serves any
+particular purpose or works at all, unless he says so in writing. Refer
+to the Ghostscript General Public License for full details.
+
+Everyone is granted permission to copy, modify and redistribute
+Ghostscript, but only under the conditions described in the Ghostscript
+General Public License. A copy of this license is supposed to have been
+given to you along with Ghostscript so you can know your rights and
+responsibilities. It should be in a file named COPYING. Among other
+things, the copyright notice and this notice must be preserved on all
+copies. */
+
+/* gdevprn.h */
+/* Common header file for memory-buffered printers */
+
+#include "memory_.h"
+#include "string_.h"
+#include "gs.h"
+#include "gsmatrix.h" /* for gxdevice.h */
+#include "gxdevice.h"
+#include "gxdevmem.h"
+#include "gxclist.h"
+
+/* Define the parameters for the printer rendering method. */
+/* If the entire bitmap fits in PRN_MAX_BITMAP, render in RAM, */
+/* otherwise use a command list with a size of PRN_BUFFER_SPACE. */
+/* (These are "properties" that can be changed by a Ghostscript program.) */
+#if arch_ints_are_short
+/* 16-bit machines have little dinky RAMs.... */
+# define PRN_MAX_BITMAP 32000
+# define PRN_BUFFER_SPACE 25000
+#else
+/* 32-bit machines have great big hulking RAMs.... */
+# define PRN_MAX_BITMAP 10000000L
+# define PRN_BUFFER_SPACE 1000000L
+#endif
+
+/* Define the declaration macro for print_page procedures. */
+#define dev_proc_print_page(proc)\
+ int proc(P2(gx_device_printer *, FILE *))
+
+/* Structure for generic printer devices. */
+/* This must be preceded by gx_device_common. */
+/* Printer devices are actually a union of a memory device */
+/* and a clist device, plus some additional state. */
+#define gx_prn_device_common\
+ byte skip[max(sizeof(gx_device_memory), sizeof(gx_device_clist)) -\
+ sizeof(gx_device) + sizeof(double) /* padding */];\
+ /* The following is required only for devices where */\
+ /* output_page is gdev_prn_output_page; */\
+ /* it is ignored for other devices. */\
+ dev_proc_print_page((*print_page));\
+ /* ------ The following items must be set before ------ */\
+ /* ------ calling the device open routine. ------ */\
+ long max_bitmap; /* max size of non-buffered bitmap */\
+ long use_buffer_space; /* space to use for buffer */\
+ char fname[80]; /* output file name */\
+ /* ------ End of preset items ------ */\
+ FILE *file; /* output file */\
+ char ccfname[30]; /* clist file name */\
+ FILE *ccfile; /* command list scratch file */\
+ char cbfname[30]; /* clist block file name */\
+ FILE *cbfile; /* command list block scratch file */\
+ long buffer_space; /* amount of space for clist buffer, */\
+ /* 0 means not using clist */\
+ byte *buf; /* buffer for rendering */\
+ int page_count; /* # of pages printed so far */\
+ gx_device_procs *orig_procs; /* original procs */\
+ gx_device_procs mod_procs /* modified procs */
+
+/* The device descriptor */
+typedef struct gx_device_printer_s gx_device_printer;
+struct gx_device_printer_s {
+ gx_device_common;
+ gx_prn_device_common;
+};
+
+/* Macro for casting gx_device argument */
+#define prn_dev ((gx_device_printer *)dev)
+
+/* Standard device procedures for printers */
+dev_proc_open_device(gdev_prn_open);
+dev_proc_output_page(gdev_prn_output_page);
+dev_proc_close_device(gdev_prn_close);
+dev_proc_map_rgb_color(gdev_prn_map_rgb_color);
+dev_proc_map_color_rgb(gdev_prn_map_color_rgb);
+dev_proc_get_props(gdev_prn_get_props);
+dev_proc_put_props(gdev_prn_put_props);
+
+/* Macro for generating procedure table */
+#define prn_procs(proc_open, proc_output_page, proc_close)\
+ prn_color_procs(proc_open, proc_output_page, proc_close,\
+ gdev_prn_map_rgb_color, gdev_prn_map_color_rgb)
+/* See gdev_prn_open for explanation of the NULLs below. */
+#define prn_color_procs(proc_open, proc_output_page, proc_close, proc_map_rgb_color, proc_map_color_rgb) {\
+ proc_open,\
+ gx_default_get_initial_matrix,\
+ gx_default_sync_output,\
+ proc_output_page,\
+ proc_close,\
+ proc_map_rgb_color,\
+ proc_map_color_rgb,\
+ NULL, /* fill_rectangle */\
+ NULL, /* tile_rectangle */\
+ NULL, /* copy_mono */\
+ NULL, /* copy_color */\
+ NULL, /* draw_line */\
+ gx_default_get_bits,\
+ gdev_prn_get_props,\
+ gdev_prn_put_props\
+}
+
+/* The standard printer device procedures */
+/* (using gdev_prn_open/output_page/close). */
+extern gx_device_procs prn_std_procs;
+
+/* Macro for generating the device descriptor. */
+/*
+ * The computations of page width and height in pixels should really be
+ * ((int)(page_width_inches*x_dpi))
+ * but some compilers (the Ultrix 3.X pcc compiler and the HPUX compiler)
+ * can't cast a computed float to an int. That's why we specify
+ * the page width and height in inches/10 instead of inches.
+ *
+ * Note that the macro is broken up so as to be usable for devices that
+ * add further initialized state to the printer device.
+ */
+#define prn_device_body(devtype, procs, dev_name, width_10ths, height_10ths, x_dpi, y_dpi, l_margin, b_margin, r_margin, t_margin, num_comp, depth, max_gray, max_rgb, dither_gray, dither_rgb, print_page)\
+ sizeof(devtype),\
+ &procs,\
+ dev_name,\
+ (int)((long)width_10ths * x_dpi / 10), /* width */\
+ (int)((long)height_10ths * y_dpi / 10), /* height */\
+ x_dpi,\
+ y_dpi,\
+ l_margin, b_margin, r_margin, t_margin,\
+ { num_comp, depth, max_gray, max_rgb, dither_gray, dither_rgb },\
+ 0, /* not initialized yet */\
+ { 0 }, /* skip */\
+ print_page,\
+ PRN_MAX_BITMAP,\
+ PRN_BUFFER_SPACE,\
+ { 0 }, /* fname */\
+ 0, { 0 }, 0, { 0 }, 0, 0, 0, 0, 0, { 0 } /* ... mod_procs */
+#define prn_device(procs, dev_name, width_10ths, height_10ths, x_dpi, y_dpi, l_margin, b_margin, r_margin, t_margin, color_bits, print_page)\
+{ prn_device_body(gx_device_printer, procs, dev_name,\
+ width_10ths, height_10ths, x_dpi, y_dpi,\
+ l_margin, b_margin, r_margin, t_margin,\
+ (color_bits > 1 ? 3 : 1),\
+ ((color_bits > 1) & (color_bits < 8) ? 8 : color_bits),\
+ (color_bits >= 8 ? 255 : 1),\
+ (color_bits >= 8 ? 255 : color_bits > 1 ? 1 : 0),\
+ (color_bits >= 8 ? 5 : 2),\
+ (color_bits >= 8 ? 5 : color_bits > 1 ? 2 : 0),\
+ print_page)\
+}
+
+/* Common procedures defined in gdevprn.c */
+int gdev_prn_open_printer(P1(gx_device *));
+uint gdev_prn_bytes_per_scan_line(P1(gx_device_printer *));
+int gdev_prn_copy_scan_lines(P4(gx_device_printer *, int, byte *, uint));
+int gdev_prn_get_bits(P5(gx_device_printer *, int, byte *, uint, int));
+int gdev_prn_close_printer(P1(gx_device *));
+
+/* BACKWARD COMPATIBILITY */
+#define gdev_mem_bytes_per_scan_line(dev)\
+ gdev_prn_bytes_per_scan_line((gx_device_printer *)(dev))
+#define gdev_prn_transpose_8x8(inp,ils,outp,ols)\
+ memflip8x8(inp,ils,outp,ols)
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