1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef ILLUSIONS_SCREENTEXT_H
24 #define ILLUSIONS_SCREENTEXT_H
25 
26 #include "illusions/graphics.h"
27 #include "common/list.h"
28 #include "common/rect.h"
29 #include "graphics/surface.h"
30 
31 namespace Illusions {
32 
33 #define TEXT_FLAG_LEFT_ALIGN 1
34 #define TEXT_FLAG_CENTER_ALIGN 2
35 #define TEXT_FLAG_RIGHT_ALIGN 4
36 #define TEXT_FLAG_BORDER_DECORATION 24
37 
38 class IllusionsEngine;
39 class FontResource;
40 
41 struct ScreenTextInfo {
42 	Common::Point _position;
43 	WidthHeight _dimensions;
44 	Common::Point _offsPt;
45 	uint32 _fontId;
46 	uint16 _backgroundColor;
47 	uint16 _borderColor;
48 	byte _colorR, _colorG, _colorB;
49 	uint _flags;
50 };
51 
52 struct ScreenTextEntry {
53 	ScreenTextInfo _info;
54 	uint16 _text[1024];
55 };
56 
57 class ScreenText {
58 public:
59 	ScreenText(IllusionsEngine *vm);
60 	~ScreenText();
61 	void getTextInfoDimensions(WidthHeight &textInfoDimensions);
62 	void getTextInfoPosition(Common::Point &position);
63 	void setTextInfoPosition(Common::Point position);
64 	void updateTextInfoPosition(Common::Point position);
65 	void clipTextInfoPosition(Common::Point &position);
66 	bool refreshScreenText(FontResource *font, WidthHeight dimensions, Common::Point offsPt,
67 		uint16 *text, uint textFlags, uint16 backgroundColor, uint16 borderColor, uint16 *&outTextPtr);
68 	bool insertText(uint16 *text, uint32 fontId, WidthHeight dimensions, Common::Point offsPt, uint flags,
69 		uint16 backgroundColor, uint16 borderColor, byte colorR, byte colorG, byte colorB, uint16 *&outTextPtr);
70 	void removeText();
71 	void clearText();
72 public:
73 	IllusionsEngine *_vm;
74 	Common::Point _position;
75 	WidthHeight _dimensions;
76 	Graphics::Surface *_surface;
77 	Common::List<ScreenTextEntry*> _screenTexts;
78 	void freeTextSurface();
79 };
80 
81 } // End of namespace Illusions
82 
83 #endif // ILLUSIONS_SCREENTEXT_H
84