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https://github.com/libretro/scummvm.git
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136 lines
3.7 KiB
C++
136 lines
3.7 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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* $URL$
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* $Id$
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*/
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// The code in this file is currently only used in KYRA and SCI.
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// So if neither of those is enabled, we will skip compiling it.
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// If you plan to use this code in another engine, you will have
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// to add the proper define check here.
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// Also please add the define check at the comment after the
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// matching #endif further down this file.
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#if defined(ENABLE_KYRA) || defined(ENABLE_SCI)
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#ifndef GRAPHICS_SJIS_H
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#define GRAPHICS_SJIS_H
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#include "common/scummsys.h"
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#include "common/stream.h"
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#include "graphics/surface.h"
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namespace Graphics {
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/**
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* A font that is able to draw SJIS encoded characters.
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*
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* The font is always monospaced.
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*/
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class FontSJIS {
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public:
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virtual ~FontSJIS() {}
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/**
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* Enable outline drawing.
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*
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* After changing outline state, getFontHeight and getFontWidth might return
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* different values!
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*/
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virtual void enableOutline(bool enable) {}
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/**
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* Returns the height of the font.
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*/
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virtual uint getFontHeight() const = 0;
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/**
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* Returns the width of the font.
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*/
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virtual uint getFontWidth() const = 0;
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/**
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* Draws a SJIS encoded character on the given surface.
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*/
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void drawChar(Graphics::Surface &dst, uint16 ch, int x, int y, uint32 c1, uint32 c2) const {
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drawChar(dst.getBasePtr(x, y), ch, c1, c2, dst.pitch, dst.bytesPerPixel);
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}
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/**
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* Draws a SJIS char on the given raw buffer.
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*
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* @param dst pointer to the destination
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* @param ch character to draw
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* @param pitch pitch of the destination buffer (size in *bytes*)
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* @param bpp bytes per pixel of the destination buffer
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* @param c1 forground color
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* @param c2 outline color
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*/
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virtual void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const = 0;
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};
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/**
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* FM-TOWNS ROM based SJIS compatible font.
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*
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* This is used in KYRA and SCI.
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*/
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class FontTowns : public FontSJIS {
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public:
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FontTowns() : _outlineEnabled(false) {}
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/**
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* Loads the ROM data from the given read stream.
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*/
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bool loadFromStream(Common::ReadStream &stream);
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void enableOutline(bool enable) { _outlineEnabled = enable; }
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uint getFontHeight() const { return _outlineEnabled ? 18 : 16; }
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uint getFontWidth() const { return _outlineEnabled ? 18 : 16; }
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void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2) const;
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private:
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template<typename Color>
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void drawCharInternOutline(const uint16 *glyph, uint8 *dst, int pitch, Color c1, Color c2) const;
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template<typename Color>
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void drawCharIntern(const uint16 *glyph, uint8 *dst, int pitch, Color c1) const;
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enum {
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kFontRomSize = 262144
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};
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bool _outlineEnabled;
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uint16 _fontData[kFontRomSize / 2];
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static uint sjisToChunk(uint8 low, uint8 high);
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};
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// TODO: Consider adding support for PC98 ROM
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} // end of namespace Graphics
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#endif
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#endif // defined(ENABLE_KYRA) || defined(ENABLE_SCI)
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