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/* 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 TITANIC_FONT_H
#define TITANIC_FONT_H
#include "common/scummsys.h"
#include "common/array.h"
#include "titanic/support/rect.h"
#include "titanic/support/string.h"
#include "titanic/support/text_cursor.h"
namespace Titanic {
enum TextCommand { TEXTCMD_NPC = 26, TEXTCMD_SET_COLOR = 27 };
enum WriteCharacterResult {
WC_IN_BOUNDS = 0, WC_OUTSIDE_TOP = -1, WC_OUTSIDE_BOTTOM = -2,
WC_OUTSIDE_LEFT = -3, WC_OUTSIDE_RIGHT = -4
};
class CVideoSurface;
class STFont {
struct CharEntry {
uint _width;
uint _offset;
};
private:
/**
* Copys a rectangle representing a character in the font data to
* a given destination position in the surface
*/
void copyRect(CVideoSurface *surface, const Common::Point &destPos,
Rect &srcRect);
/**
* Write a character
*/
WriteCharacterResult writeChar(CVideoSurface *surface, unsigned char c,
const Common::Point &pt, const Rect &destRect, const Rect *srcRect);
/**
* Extends a passed text area by the space required for
* the given character
*/
void extendBounds(Point &textSize, byte c, int maxWidth) const;
/**
* Called at spacing between words, checks for line wrapping
*/
void checkLineWrap(Point &textSize, int maxWidth, const char *&str) const;
public:
byte *_dataPtr;
size_t _dataSize;
int _fontHeight;
uint _dataWidth;
CharEntry _chars[256];
byte _fontR, _fontG, _fontB;
public:
STFont();
~STFont();
/**
* Load a specified font
*/
void load(int fontNumber);
/**
* Return the width in pixels of the specified text
*/
int stringWidth(const CString &text) const;
/**
* Write a string to the specified surface
* @returns The index of the last character that was visible
* with the drawing area
*/
int writeString(CVideoSurface *surface, const Rect &rect1, const Rect &destRect,
int yOffset, const CString &str, CTextCursor *textCursor);
/**
* Write a string to the specified surface
*/
void writeString(CVideoSurface *surface, const Point &destPos, Rect &clipRect,
const CString &str, int lineWidth = 0);
/**
* Get the text area a string will fit into
* @param str String
* @param maxWidth Maximum width in pixels
* @param sizeOut Optional pointer to output size (width, height)
* @returns Required height
*/
int getTextBounds(const CString &str, int maxWidth, Point *sizeOut) const;
/**
* Sets the font color
*/
void setColor(byte r, byte g, byte b);
/**
* Gets the font color
*/
uint16 getColor() const;
};
} // End of namespace Titanic
#endif /* TITANIC_FONT_H */
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