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author | Johannes Schickel | 2009-07-07 14:22:23 +0000 |
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committer | Johannes Schickel | 2009-07-07 14:22:23 +0000 |
commit | 862308166645a5f7b5422473b434f0a8ec86d7b2 (patch) | |
tree | df3c4304269454a80d47464f35026842e6d12387 /graphics/sjis.h | |
parent | ab8c3d56b86d93dcd2c0debeb6ad57bf87910fd2 (diff) | |
download | scummvm-rg350-862308166645a5f7b5422473b434f0a8ec86d7b2.tar.gz scummvm-rg350-862308166645a5f7b5422473b434f0a8ec86d7b2.tar.bz2 scummvm-rg350-862308166645a5f7b5422473b434f0a8ec86d7b2.zip |
Add generic functionallity to draw FM-Towns ROM. (To be used by KYRA and SCI)
svn-id: r42221
Diffstat (limited to 'graphics/sjis.h')
-rw-r--r-- | graphics/sjis.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/graphics/sjis.h b/graphics/sjis.h new file mode 100644 index 0000000000..f6277b62a4 --- /dev/null +++ b/graphics/sjis.h @@ -0,0 +1,108 @@ +/* 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. + * + * $URL$ + * $Id$ + */ + +#ifndef GRAPHICS_SJIS_H +#define GRAPHICS_SJIS_H + +#include "common/scummsys.h" +#include "common/stream.h" + +#include "graphics/surface.h" + +namespace Graphics { + +/** + * A font that is able to draw SJIS encoded characters. + * + * The font is always monospaced. + */ +class FontSJIS { +public: + virtual ~FontSJIS() {} + + /** + * Returns the height of the font. + */ + virtual uint getFontHeight() const = 0; + + /** + * Returns the width of the font. + */ + virtual uint getFontWidth() const = 0; + + /** + * Draws a SJIS encoded character on the given surface. + */ + void drawChar(Graphics::Surface &dst, uint16 ch, int x, int y, uint32 c1) const { + drawChar(dst.getBasePtr(x, y), ch, c1, dst.pitch, dst.bytesPerPixel); + } + + /** + * Draws a SJIS char on the given raw buffer. + * + * @param dst pointer to the destination + * @param ch character to draw + * @param pitch pitch of the destination buffer (size in *bytes*) + * @param bpp bytes per pixel of the destination buffer + * @param c1 forground color + */ + virtual void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1) const = 0; +}; + +/** + * FM-Towns ROM based SJIS compatible font. + * + * This is used in KYRA and SCI. + */ +class FontTowns : public FontSJIS { +public: + /** + * Loads the ROM data from the given read stream. + */ + bool loadFromStream(Common::ReadStream &stream); + + uint getFontHeight() const { return 16; } + uint getFontWidth() const { return 16; } + + void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1) const; + +private: + template<typename Color> + void drawCharIntern(const uint16 *glyph, uint8 *dst, int pitch, Color c1) const; + + enum { + kFontRomSize = 262144 + }; + + uint16 _fontData[kFontRomSize / 2]; + + static uint sjisToChunk(uint8 low, uint8 high); +}; + +// TODO: Consider adding support for PC98 ROM + +} // end of namespace Graphics + +#endif + |