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124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef TITANIC_FONT_H
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#define TITANIC_FONT_H
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#include "common/scummsys.h"
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#include "common/array.h"
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#include "titanic/support/rect.h"
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#include "titanic/support/string.h"
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#include "titanic/support/text_cursor.h"
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namespace Titanic {
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enum TextCommand { TEXTCMD_NPC = 26, TEXTCMD_SET_COLOR = 27 };
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enum WriteCharacterResult {
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WC_IN_BOUNDS = 0, WC_OUTSIDE_TOP = -1, WC_OUTSIDE_BOTTOM = -2,
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WC_OUTSIDE_LEFT = -3, WC_OUTSIDE_RIGHT = -4
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};
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class CVideoSurface;
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class STFont {
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struct CharEntry {
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uint _width;
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uint _offset;
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};
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private:
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/**
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* Copys a rectangle representing a character in the font data to
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* a given destination position in the surface
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*/
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void copyRect(CVideoSurface *surface, const Common::Point &destPos,
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Rect &srcRect);
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/**
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* Write a character
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*/
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WriteCharacterResult writeChar(CVideoSurface *surface, unsigned char c,
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const Common::Point &pt, const Rect &destRect, const Rect *srcRect);
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/**
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* Extends a passed text area by the space required for
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* the given character
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*/
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void extendBounds(Point &textSize, byte c, int maxWidth) const;
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/**
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* Called at spacing between words, checks for line wrapping
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*/
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void checkLineWrap(Point &textSize, int maxWidth, const char *&str) const;
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public:
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byte *_dataPtr;
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size_t _dataSize;
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int _fontHeight;
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uint _dataWidth;
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CharEntry _chars[256];
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byte _fontR, _fontG, _fontB;
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public:
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STFont();
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~STFont();
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/**
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* Load a specified font
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*/
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void load(int fontNumber);
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/**
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* Return the width in pixels of the specified text
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*/
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int stringWidth(const CString &text) const;
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/**
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* Write a string to the specified surface
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* @returns The index of the last character that was visible
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* with the drawing area
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*/
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int writeString(CVideoSurface *surface, const Rect &rect1, const Rect &destRect,
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int yOffset, const CString &str, CTextCursor *textCursor);
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/**
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* Get the text area a string will fit into
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* @param str String
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* @param maxWidth Maximum width in pixels
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* @param sizeOut Optional pointer to output size (width, height)
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* @returns Required height
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*/
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int getTextBounds(const CString &str, int maxWidth, Point *sizeOut) const;
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/**
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* Sets the font color
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*/
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void setColor(byte r, byte g, byte b);
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/**
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* Gets the font color
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*/
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uint16 getColor() const;
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};
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} // End of namespace Titanic
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#endif /* TITANIC_FONT_H */
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