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https://github.com/libretro/scummvm.git
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80 lines
3.0 KiB
C++
80 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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*
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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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#include "sci/sci.h"
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#include "sci/engine/state.h"
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#include "sci/graphics/screen.h"
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#include "sci/graphics/font.h"
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#include "sci/graphics/fontsjis.h"
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namespace Sci {
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GfxFontSjis::GfxFontSjis(GfxScreen *screen, GuiResourceId resourceId)
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: _resourceId(resourceId), _screen(screen) {
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assert(resourceId != -1);
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if (!_screen->getUpscaledHires())
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error("I don't want to initialize, when not being in upscaled hires mode");
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_commonFont = Graphics::FontSJIS::createFont(Common::kPlatformPC98);
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if (!_commonFont)
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error("Could not load ScummVM's 'SJIS.FNT'");
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}
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GfxFontSjis::~GfxFontSjis() {
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}
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GuiResourceId GfxFontSjis::getResourceId() {
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return _resourceId;
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}
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// Returns true for first byte of double byte characters
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bool GfxFontSjis::isDoubleByte(uint16 chr) {
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if (((chr >= 0x81) && (chr <= 0x9F)) || ((chr >= 0xE0) && (chr <= 0xEF)))
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return true;
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return false;
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}
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// We can do >>1, because returned char width/height is 8 or 16 exclusively. Font returns hires size, we need lowres
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byte GfxFontSjis::getHeight() {
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return _commonFont->getFontHeight() >> 1;
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}
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byte GfxFontSjis::getCharWidth(uint16 chr) {
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return _commonFont->getCharWidth(chr) >> 1;
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}
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void GfxFontSjis::draw(uint16 chr, int16 top, int16 left, byte color, bool greyedOutput) {
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// TODO: Check, if character fits on screen - if it doesn't we need to skip it
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// Normally SCI cuts the character and draws the part that fits, but the common SJIS doesn't support that
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// According to LordHoto the PC98 ROM actually split the screen into 40x25 kanji chars and was only able to place
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// them there. So removing the lower 4 bits of the horizontal coordinate puts them into the correct position (it seems).
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// If we don't do this, the characters will be slightly to the right, caused by "GetLongest()" inside GfxText16 that
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// leaves the last character that is causing a split into a new line within the current line instead of removing it.
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// That way the result will actually be too long (not our fault, sierra sci does it the same way)
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_screen->putKanjiChar(_commonFont, left & 0xFFC, top, chr, color);
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}
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} // End of namespace Sci
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