/* Copyright (C) 1989, 1992, 1993, 1994 Aladdin Enterprises.  All rights reserved.
  
  This file is part of Aladdin Ghostscript.
  
  Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND.  No author
  or distributor accepts any responsibility for the consequences of using it,
  or for whether it serves any particular purpose or works at all, unless he
  or she says so in writing.  Refer to the Aladdin Ghostscript Free Public
  License (the "License") for full details.
  
  Every copy of Aladdin Ghostscript must include a copy of the License,
  normally in a plain ASCII text file named PUBLIC.  The License grants you
  the right to copy, modify and redistribute Aladdin Ghostscript, but only
  under certain conditions described in the License.  Among other things, the
  License requires that the copyright notice and this notice be preserved on
  all copies.
*/

/* gdevmswn.h */
/* Shared definitions for Microsoft Windows 3.n drivers */
#include "string_.h"
#include <stdlib.h>
#include "dos_.h"
#include "gx.h"
#include "gserrors.h"
#include "gxdevice.h"
#include "memory_.h"

#include "windows_.h"
#include <shellapi.h>
#include "gp_mswin.h"

typedef struct gx_device_win_s gx_device_win;

/* Utility routines in gdevmswn.c */
LPLOGPALETTE win_makepalette(P1(gx_device_win *));
int win_nomemory(P0());
void win_update(P1(gx_device_win *));

/* Device procedures shared by all implementations. */
/* Implementations may wrap their own code around _open and _close. */
dev_proc_open_device(win_open);
dev_proc_sync_output(win_sync_output);
dev_proc_output_page(win_output_page);
dev_proc_close_device(win_close);
dev_proc_map_rgb_color(win_map_rgb_color);
dev_proc_map_color_rgb(win_map_color_rgb);
dev_proc_get_params(win_get_params);
dev_proc_put_params(win_put_params);
dev_proc_get_xfont_procs(win_get_xfont_procs);

/* Common part of the device descriptor. */

#define win_proc_copy_to_clipboard(proc)\
  void proc(P1(gx_device_win *))

#define win_proc_repaint(proc)\
  void proc(P8(gx_device_win *, HDC, int, int, int, int, int, int))

#define win_proc_alloc_bitmap(proc)\
  int proc(P2(gx_device_win *, gx_device *))

#define win_proc_free_bitmap(proc)\
  void proc(P1(gx_device_win *))

#define win_gsview_sizeof 80

#define gx_device_win_common\
	int BitsPerPixel;\
	int UpdateInterval;\
	char GSVIEW_STR[win_gsview_sizeof];\
	BOOL dll;\
	int nColors;\
		/* Implementation-specific procedures */\
	win_proc_copy_to_clipboard((*copy_to_clipboard));\
	win_proc_repaint((*repaint));\
	win_proc_alloc_bitmap((*alloc_bitmap));\
	win_proc_free_bitmap((*free_bitmap));\
		/* Handles */\
	HWND hwndimg;\
	HWND hwndimgchild;\
	HPALETTE himgpalette;\
	LPLOGPALETTE limgpalette;\
	HDC hdctext;\
		/* Window scrolling stuff */\
	int cxClient, cyClient;\
	int cxAdjust, cyAdjust;\
	int nVscrollPos, nVscrollMax;\
	int nHscrollPos, nHscrollMax;\
	BOOL update, timer
/* The basic window device */
struct gx_device_win_s {
	gx_device_common;
	gx_device_win_common;
};

/* Initial values for width and height */
#define INITIAL_RESOLUTION 96
#define INITIAL_WIDTH (INITIAL_RESOLUTION * 85 / 10 + 1)
#define INITIAL_HEIGHT (INITIAL_RESOLUTION * 11 + 1)

/* A macro for casting the device argument */
#define wdev ((gx_device_win *)dev)

/* RasterOp codes */
#define rop_write_at_1s 0xE20746L	/* BitBlt: write brush at 1's */
#define rop_write_at_0s 0xB8074AL	/* BitBlt: write brush at 0's */
#define rop_write_0_at_1s 0x220326L	/* BitBlt: ~S & D */
#define rop_write_0_at_0s 0x8800C6L	/* BitBlt: S & D */
#define rop_write_1s 0xFF0062L		/* write 1's */
#define rop_write_0s 0x000042L		/* write 0's */
#define rop_write_pattern 0xF00021L	/* PatBlt: write brush */

/* Compress a gx_color_value into an 8-bit Windows color value, */
/* using only the high order 5 bits. */
#define win_color_value(z)\
  ((((z) >> (gx_color_value_bits - 5)) << 3) +\
   ((z) >> (gx_color_value_bits - 3)))
