aboutsummaryrefslogtreecommitdiff
path: root/engines/glk/screen.h
blob: 031e58f6e50d1174e0dd68c7708e67dc815d6d82 (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
/* 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.
 *
 */

#ifndef GLK_DRAW_H
#define GLK_DRAW_H

#include "common/archive.h"
#include "common/array.h"
#include "graphics/screen.h"
#include "graphics/font.h"
#include "glk/fonts.h"
#include "glk/utils.h"

namespace Glk {

#define FONTS_TOTAL 8

enum CaretShape {
	SMALL_DOT = 0, FAT_DOT = 1, THIN_LINE = 2, FAT_LINE = 3, BLOCK = 4
};

/**
 * Screen surface class
 */
class Screen : public Graphics::Screen {
private:
	/**
	 * Open the fonts archive and load all the fonts
	 */
	void loadFonts();

	/**
	 * Load a single font
	 */
	const Graphics::Font *loadFont(FACES face, Common::Archive *archive,
		double size, double aspect, int style);
protected:
	Common::Array<const Graphics::Font *> _fonts;
protected:
	/**
	 * Load the fonts
	 */
	virtual void loadFonts(Common::Archive *archive);
public:
	/**
	 * Return the font Id for a given name
	 */
	static FACES getFontId(const Common::String &name);
public:
	/**
	 * Constructor
	 */
	Screen() : Graphics::Screen() {}

	/**
	 * Destructor
	 */
	virtual ~Screen();

	/**
	 * Initialize the screen
	 */
	void initialize();

	/**
	 * Fills the screen with a given color
	 */
	void fill(uint color);

	/**
	 * Fill a given area of the screen with a given color
	 */
	void fillRect(const Rect &box, uint color);

	/**
	 * Draws a string using the specified font at the given co-ordinates
	 * @param pos       Position for the bottom-left corner the text will be drawn with
	 * @param fontIdx   Which font to use
	 * @param color     Text color
	 * @param text      The text to draw
	 * @param spw       ??
	 */
	int drawString(const Point &pos, int fontIdx, uint color, const Common::String &text, int spw = 0);

	/**
	 * Draws a unicode string using the specified font at the given co-ordinates
	 * @param pos       Position for the bottom-left corner the text will be drawn with
	 * @param fontIdx   Which font to use
	 * @param color     Text color
	 * @param text      The text to draw
	 * @param spw       ??
	 */
	int drawStringUni(const Point &pos, int fontIdx, uint color, const Common::U32String &text, int spw = 0);

	/**
	 * Get the width in pixels of a string
	 * @param fontIdx   Which font to use
	 * @param text      Text to get the width of
	 * @param spw       Delta X
	 * @returns         Width of string multiplied by GLI_SUBPIX
	 */
	size_t stringWidth(int fontIdx, const Common::String &text, int spw = 0);

	/**
	 * Get the width in pixels of a unicode string
	 * @param fontIdx   Which font to use
	 * @param text      Text to get the width of
	 * @param spw       Delta X
	 * @returns         Width of string multiplied by GLI_SUBPIX
	 */
	size_t stringWidthUni(int fontIdx, const Common::U32String &text, int spw = 0);
};

} // End of namespace Glk

#endif