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104 lines
3.0 KiB
C++
104 lines
3.0 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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* 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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* 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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* $URL$
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* $Id$
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*
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*/
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#ifndef DRACI_FONT_H
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#define DRACI_FONT_H
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#include "graphics/font.h"
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namespace Draci {
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extern const char * const kFontSmall;
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extern const char * const kFontBig;
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class Surface;
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/**
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* Default font colours. They all seem to remain constant except for the
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* first one which varies depending on the character speaking.
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* kOverFontColour is set to transparent.
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*/
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enum {
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kFontColour1 = 2,
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kFontColour2 = 0,
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kFontColour3 = 3,
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kFontColour4 = 4,
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kOverFontColour = 255,
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kTitleColour = 255,
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kLineActiveColour = 254,
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kLineInactiveColour = 255
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};
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/**
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* Represents the game's fonts. See docs for setFont() for font format details.
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*/
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class Font {
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public:
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Font(const Common::String &filename);
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~Font();
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bool loadFont(const Common::String &filename);
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uint8 getFontHeight() const { return _fontHeight; }
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uint8 getMaxCharWidth() const { return _maxCharWidth; }
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uint8 getCharWidth(byte chr) const;
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void drawChar(Surface *dst, uint8 chr, int tx, int ty, int with_colour) const;
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void drawString(Surface *dst, const byte *str, uint len, int x, int y, int with_colour,
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int spacing, bool markDirty) const;
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void drawString(Surface *dst, const Common::String &str,
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int x, int y, int with_colour, int spacing, bool markDirty) const;
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uint getStringWidth(const Common::String &str, int spacing) const;
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uint getStringHeight(const Common::String &str) const;
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uint getLineWidth(const Common::String &str, uint startIndex, int spacing) const;
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private:
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uint8 _fontHeight;
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uint8 _maxCharWidth;
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/** Pointer to an array of individual char widths */
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uint8 *_charWidths;
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/** Pointer to a raw byte array representing font pixels stored row-wise */
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byte *_charData;
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/** Number of glyphs in the font */
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static const uint kCharNum = 138;
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/**
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* Chars are indexed from the space character so this should be subtracted
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* to get the index of a glyph
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*/
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static const uint kCharIndexOffset = 32;
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/** Internal function for freeing fonts when destructing/loading another */
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void freeFont();
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};
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} // End of namespace Draci
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#endif // DRACI_FONT_H
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