scummvm/engines/xeen/font.h
2018-03-10 07:54:28 -05:00

113 lines
2.9 KiB
C++

/* 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 XEEN_FONT_H
#define XEEN_FONT_H
#include "xeen/xsurface.h"
namespace Xeen {
#define FONT_WIDTH 8
#define FONT_HEIGHT 8
#define DEFAULT_BG_COLOR 0x99
enum Justify { JUSTIFY_NONE = 0, JUSTIFY_CENTER = 1, JUSTIFY_RIGHT = 2 };
struct FontData {
static const byte *_fontData;
static Common::Point *_fontWritePos;
static byte _textColors[4];
static byte _bgColor;
static bool _fontReduced;
static Justify _fontJustify;
};
class FontSurface: public XSurface, public FontData {
private:
const char *_displayString;
bool _msgWraps;
/**
* Return the next pending character to display
*/
char getNextChar();
/**
* Return the width of a given character
*/
bool getNextCharWidth(int &total);
/**
* Handles moving to the next line of the given bounded area
*/
bool newLine(const Common::Rect &bounds);
/**
* Extract a number of a given maximum length from the string
*/
int fontAtoi(int len = 3);
/**
* Set the text colors based on the specified index in the master text colors list
*/
void setTextColor(int idx);
/**
* Wrie a character to the surface
*/
void writeChar(char c, const Common::Rect &clipRect);
public:
Common::Point &_writePos;
public:
FontSurface();
FontSurface(int wv, int hv);
virtual ~FontSurface() {}
/**
* Draws a symbol to the surface.
* @param symbolId Symbol number from 0 to 19
*/
void writeSymbol(int symbolId);
/**
* Write a string to the surface
* @param s String to display
* @param clipRect Window bounds to display string within
* @returns Any string remainder that couldn't be displayed
* @remarks Note that bounds is just used for wrapping purposes. Unless
* justification is set, the message will be written at _writePos
*/
const char *writeString(const Common::String &s, const Common::Rect &clipRect);
/**
* Write a charcter to the window
* @param c Character
* @param clipRect Window bounds to display string within
*/
void writeCharacter(char c, const Common::Rect &clipRect);
};
} // End of namespace Xeen
#endif /* XEEN_FONT_H */