aboutsummaryrefslogtreecommitdiff
path: root/engines/sci/include/gfx_state_internal.h
blob: f32c19988ed6e427d2fa80248f4456f6e4d4937c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */

#ifndef _GFX_STATE_INTERNAL_H_
#define _GFX_STATE_INTERNAL_H_

#include "sci/include/gfx_tools.h"
#include "sci/include/gfx_options.h"
#include "sci/include/gfx_operations.h"
#include "sci/include/gfx_resmgr.h"
#include "sci/include/gfx_system.h"

namespace Sci {

#define GFXW_FLAG_VISIBLE (1<<0)
#define GFXW_FLAG_OPAQUE (1<<1)
#define GFXW_FLAG_CONTAINER (1<<2)
#define GFXW_FLAG_DIRTY (1<<3)
#define GFXW_FLAG_TAGGED (1<<4)
#define GFXW_FLAG_MULTI_ID (1<<5) /* Means that the ID used herein may be used more than once, i.e. is not unique */
#define GFXW_FLAG_IMMUNE_TO_SNAPSHOTS (1<<6) /* Snapshot restoring doesn't kill this widget, and +5 bonus to saving throws vs. Death Magic */
#define GFXW_FLAG_NO_IMPLICIT_SWITCH (1<<7) /* Ports: Don't implicitly switch to this port when disposing windows */

typedef struct {
	int serial; /* The first serial number to kill */
	rect_t area;
} gfxw_snapshot_t;

typedef enum {
	GFXW_, /* Base widget */

	GFXW_BOX,
	GFXW_RECT,
	GFXW_LINE, /* For lines, the bounding rectangle's xl, yl determine the line's expansion:
		   ** (x2, y2) = (x+xl, y+yl) */
	GFXW_INVERSE_LINE,
	GFXW_VIEW,
	GFXW_STATIC_VIEW,
	GFXW_DYN_VIEW,
	GFXW_PIC_VIEW,
	GFXW_TEXT,

	GFXW_CONTAINER,

	GFXW_LIST,
	GFXW_SORTED_LIST,
	GFXW_VISUAL,
	GFXW_PORT

} gfxw_widget_type_t;


#define GFXW_MAGIC_VALID 0xC001
#define GFXW_MAGIC_INVALID 0xbad

#define GFXW_NO_ID -1

struct _gfxw_widget;
struct _gfxw_container_widget;
struct _gfxw_visual;

typedef int gfxw_point_op(struct _gfxw_widget *, Common::Point);
typedef int gfxw_visual_op(struct _gfxw_widget *, struct _gfxw_visual *);
typedef int gfxw_op(struct _gfxw_widget *);
typedef int gfxw_op_int(struct _gfxw_widget *, int);
typedef int gfxw_bin_op(struct _gfxw_widget *, struct _gfxw_widget *);

#define WIDGET_COMMON \
   int magic; /* Extra check after typecasting */ \
   int serial; /* Serial number */ \
   int flags; /* Widget flags */ \
   gfxw_widget_type_t type; \
   rect_t bounds; /* Boundaries */ \
   struct _gfxw_widget *next; /* Next widget in widget list */ \
   int ID; /* Unique ID or GFXW_NO_ID */ \
   int subID; /* A 'sub-ID', or GFXW_NO_ID */ \
   struct _gfxw_container_widget *parent; /* The parent widget, or NULL if not owned */ \
   struct _gfxw_visual *visual; /* The owner visual */ \
   int widget_priority; /* Drawing priority, or -1 */ \
   gfxw_point_op *draw; /* Draw widget (if dirty) and anything else required for the display to be consistant */ \
   gfxw_op *widfree; /* Remove widget (and any sub-widgets it may contain) */ \
   gfxw_op *tag; /* Tag the specified widget */ \
   gfxw_op_int *print; /* Prints the widget's contents, using sciprintf. Second parameter is indentation. */ \
   gfxw_bin_op *compare_to; /* a.compare_to(a, b) returns <0 if a<b, =0 if a=b and >0 if a>b */ \
   gfxw_bin_op *equals; /* a equals b if both cause the same data to be displayed */ \
   gfxw_bin_op *should_replace; /* (only if a equals b) Whether b should replace a even though they are equivalent */ \
   gfxw_bin_op *superarea_of; /* a superarea_of b <=> for each pixel of b there exists an opaque pixel in a at the same location */ \
   gfxw_visual_op *set_visual /* Sets the visual the widget belongs to */

typedef struct _gfxw_widget {
	WIDGET_COMMON;
} gfxw_widget_t;


#define GFXW_IS_BOX(widget) ((widget)->type == GFXW_BOX)
typedef struct {
	WIDGET_COMMON;
	gfx_color_t color1, color2;
	gfx_box_shade_t shade_type;
} gfxw_box_t;


#define GFXW_IS_PRIMITIVE(widget) ((widget)->type == GFXW_RECT || (widget)->type == GFXW_LINE || (widget->type == GFXW_INVERSE_LINE))
typedef struct {
	WIDGET_COMMON;
	gfx_color_t color;
	gfx_line_mode_t line_mode;
	gfx_line_style_t line_style;
} gfxw_primitive_t;



#define VIEW_COMMON \
	WIDGET_COMMON; \
	Common::Point pos; /* Implies the value of 'bounds' in WIDGET_COMMON */ \
	gfx_color_t color; \
	int view, loop, cel; \
	int palette

#define GFXW_IS_VIEW(widget) ((widget)->type == GFXW_VIEW || (widget)->type == GFXW_STATIC_VIEW \
			      || (widget)->type == GFXW_DYN_VIEW || (widget)->type == GFXW_PIC_VIEW)
typedef struct {
	VIEW_COMMON;
} gfxw_view_t;

#define GFXW_IS_DYN_VIEW(widget) ((widget)->type == GFXW_DYN_VIEW || (widget)->type == GFXW_PIC_VIEW)
typedef struct {
	VIEW_COMMON;
	/* fixme: This code is specific to SCI */
	rect_t draw_bounds; /* The correct position to draw to */
	void *under_bitsp, *signalp;
	int under_bits, signal;
	int z; /* The z coordinate: Added to y, but used for sorting */
	int sequence; /* Sequence number: For sorting */
	int force_precedence; /* Precedence enforcement variable for sorting- defaults to 0 */
} gfxw_dyn_view_t;



#define GFXW_IS_TEXT(widget) ((widget)->type == GFXW_TEXT)
typedef struct {
	WIDGET_COMMON;
	int font_nr;
	int lines_nr, lineheight, lastline_width;
	char *text;
	gfx_alignment_t halign, valign;
	gfx_color_t color1, color2, bgcolor;
	int text_flags;
	int width, height; /* Real text width and height */
	gfx_text_handle_t *text_handle;
} gfxw_text_t;


/* Container widgets */

typedef int gfxw_unary_container_op(struct _gfxw_container_widget *);
typedef int gfxw_container_op(struct _gfxw_container_widget *, gfxw_widget_t *);
typedef int gfxw_rect_op(struct _gfxw_container_widget *, rect_t, int);

#define WIDGET_CONTAINER \
   WIDGET_COMMON; \
   rect_t zone; /* The writeable zone (absolute) for contained objects */ \
   gfx_dirty_rect_t *dirty; /* List of dirty rectangles */ \
   gfxw_widget_t *contents; \
   gfxw_widget_t **nextpp; /* Pointer to the 'next' pointer in the last entry in contents */ \
   gfxw_unary_container_op *free_tagged; /* Free all tagged contained widgets */ \
   gfxw_unary_container_op *free_contents; /* Free all contained widgets */ \
   gfxw_rect_op *add_dirty_abs; /* Add an absolute dirty rectangle */ \
   gfxw_rect_op *add_dirty_rel; /* Add a relative dirty rectangle */ \
   gfxw_container_op *add  /* Append widget to an appropriate position (for view and control lists) */


typedef struct _gfxw_container_widget {
	WIDGET_CONTAINER;
} gfxw_container_t;


#define GFXW_IS_CONTAINER(widget) ((widget)->type == GFXW_PORT || (widget)->type == GFXW_VISUAL || \
				   (widget)->type == GFXW_SORTED_LIST || (widget)->type == GFXW_LIST)

#define GFXW_IS_LIST(widget) ((widget)->type == GFXW_LIST || (widget)->type == GFXW_SORTED_LIST)
#define GFXW_IS_SORTED_LIST(widget) ((widget)->type == GFXW_SORTED_LIST)
typedef gfxw_container_t gfxw_list_t;

#define GFXW_IS_VISUAL(widget) ((widget)->type == GFXW_VISUAL)
typedef struct _gfxw_visual {
	WIDGET_CONTAINER;
	struct _gfxw_port **port_refs; /* References to ports */
	int port_refs_nr;
	int font_nr; /* Default font */
	gfx_state_t *gfx_state;
}  gfxw_visual_t;

#define GFXW_IS_PORT(widget) ((widget)->type == GFXW_PORT)
typedef struct _gfxw_port {
	WIDGET_CONTAINER;

	gfxw_list_t *decorations; /* optional window decorations- drawn before the contents */
	gfxw_widget_t *port_bg; /* Port background widget or NULL */
	gfx_color_t color, bgcolor;
	int chrono_port;
	int font_nr;
	Common::Point draw_pos; /* Drawing position */
	gfxw_snapshot_t *restore_snap; /* Snapshot to be restored automagically,
					  experimental feature used in the PQ3 interpreter */
	int port_flags; /* interpreter-dependant flags */
	const char *title_text;
	byte gray_text; /* Whether text is 'grayed out' (dithered) */
} gfxw_port_t;

#undef WIDGET_COMMON
#undef WIDGET_CONTAINER

} // End of namespace Sci

#endif /* !_GFX_STATE_INTERNAL_H_ */