xref: /plan9/sys/src/cmd/gs/src/gdevmswn.h (revision 593dc095aefb2a85c828727bbfa9da139a49bdf4)
1 /* Copyright (C) 1989, 1992, 1993, 1994, 1998 Aladdin Enterprises.  All rights reserved.
2 
3   This software is provided AS-IS with no warranty, either express or
4   implied.
5 
6   This software is distributed under license and may not be copied,
7   modified or distributed except as expressly authorized under the terms
8   of the license contained in the file LICENSE in this distribution.
9 
10   For more information about licensing, please refer to
11   http://www.ghostscript.com/licensing/. For information on
12   commercial licensing, go to http://www.artifex.com/licensing/ or
13   contact Artifex Software, Inc., 101 Lucas Valley Road #110,
14   San Rafael, CA  94903, U.S.A., +1(415)492-9861.
15 */
16 
17 /* $Id: gdevmswn.h,v 1.6 2002/10/07 08:28:56 ghostgum Exp $ */
18 /* Shared definitions for Microsoft Windows 3.n drivers */
19 
20 #ifndef gdevmswn_INCLUDED
21 #  define gdevmswn_INCLUDED
22 
23 #include "string_.h"
24 #include <stdlib.h>
25 #include "gx.h"
26 #include "gserrors.h"
27 #include "gxdevice.h"
28 #include "memory_.h"
29 
30 #include "windows_.h"
31 #include <shellapi.h>
32 #include "gp_mswin.h"
33 
34 typedef struct gx_device_win_s gx_device_win;
35 
36 /* Utility routines in gdevmswn.c */
37 LPLOGPALETTE win_makepalette(gx_device_win *);
38 int win_nomemory(void);
39 void win_update(gx_device_win *);
40 
41 /* Device procedures shared by all implementations. */
42 /* Implementations may wrap their own code around _open and _close. */
43 dev_proc_open_device(win_open);
44 dev_proc_sync_output(win_sync_output);
45 dev_proc_output_page(win_output_page);
46 dev_proc_close_device(win_close);
47 dev_proc_map_rgb_color(win_map_rgb_color);
48 dev_proc_map_color_rgb(win_map_color_rgb);
49 dev_proc_get_params(win_get_params);
50 dev_proc_put_params(win_put_params);
51 dev_proc_get_xfont_procs(win_get_xfont_procs);
52 dev_proc_get_alpha_bits(win_get_alpha_bits);
53 
54 /* Common part of the device descriptor. */
55 
56 #define win_proc_copy_to_clipboard(proc)\
57   void proc(gx_device_win *)
58 
59 #define win_proc_repaint(proc)\
60   void proc(gx_device_win *, HDC, int, int, int, int, int, int)
61 
62 #define win_proc_alloc_bitmap(proc)\
63   int proc(gx_device_win *, gx_device *)
64 
65 #define win_proc_free_bitmap(proc)\
66   void proc(gx_device_win *)
67 
68 #define win_gsview_sizeof 80
69 
70 #define gx_device_win_common\
71 	int BitsPerPixel;\
72 	int nColors;\
73 	byte *mapped_color_flags;\
74 		/* Implementation-specific procedures */\
75 	win_proc_alloc_bitmap((*alloc_bitmap));\
76 	win_proc_free_bitmap((*free_bitmap));\
77 		/* Handles */\
78 	HPALETTE himgpalette;\
79 	LPLOGPALETTE limgpalette
80 
81 /* The basic window device */
82 struct gx_device_win_s {
83     gx_device_common;
84     gx_device_win_common;
85 };
86 
87 /* Initial values for width and height */
88 #define INITIAL_RESOLUTION 96.0
89 #define INITIAL_WIDTH (int)(INITIAL_RESOLUTION * 85 / 10 + 0.5)
90 #define INITIAL_HEIGHT (int)(INITIAL_RESOLUTION * 11 + 0.5)
91 
92 /* A macro for casting the device argument */
93 #define wdev ((gx_device_win *)dev)
94 
95 /* RasterOp codes */
96 #define rop_write_at_1s 0xE20746L	/* BitBlt: write brush at 1's */
97 #define rop_write_at_0s 0xB8074AL	/* BitBlt: write brush at 0's */
98 #define rop_write_0_at_1s 0x220326L	/* BitBlt: ~S & D */
99 #define rop_write_0_at_0s 0x8800C6L	/* BitBlt: S & D */
100 #define rop_write_1s 0xFF0062L	/* write 1's */
101 #define rop_write_0s 0x000042L	/* write 0's */
102 #define rop_write_pattern 0xF00021L	/* PatBlt: write brush */
103 
104 /* Compress a gx_color_value into an 8-bit Windows color value, */
105 /* using only the high order 5 bits. */
106 #define win_color_value(z)\
107   ((((z) >> (gx_color_value_bits - 5)) << 3) +\
108    ((z) >> (gx_color_value_bits - 3)))
109 
110 #endif /* gdevmswn_INCLUDED */
111