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/* 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.
*
* $URL$
* $Id$
*
*/
#include "sci/sci.h"
#include "sci/engine/state.h"
#include "sci/tools.h"
#include "sci/gui/gui_screen.h"
#include "sci/gui/gui_font.h"
namespace Sci {
SciGUIfont::SciGUIfont(EngineState *state, SciGUIscreen *screen, sciResourceId resourceId)
: _s(state), _screen(screen), _resourceId(resourceId) {
assert(resourceId != -1);
if (_s->_gameName == "lsl1sci") {
// we remove upper bits for lsl1, because it wants to load font 2107 which is not available
_resourceId &= 0x7ff;
}
initData(_resourceId);
}
SciGUIfont::~SciGUIfont() {
}
void SciGUIfont::initData(sciResourceId resourceId) {
Resource *fontResource = _s->resMan->findResource(ResourceId(kResourceTypeFont, resourceId), false);
if (!fontResource) {
error("font resource %d not found", resourceId);
}
_resourceData = fontResource->data;
mCharMax = READ_LE_UINT16(_resourceData + 2);
mFontH = READ_LE_UINT16(_resourceData + 4);
mChars = new charinfo[mCharMax];
// filling info for every char
for (int16 i = 0; i < mCharMax; i++) {
mChars[i].offset = READ_LE_UINT16(_resourceData + 6 + i * 2);
mChars[i].w = _resourceData[mChars[i].offset];
mChars[i].h = _resourceData[mChars[i].offset + 1];
}
}
sciResourceId SciGUIfont::getResourceId() {
return _resourceId;
}
byte SciGUIfont::getHeight() {
return mFontH;
}
byte SciGUIfont::getCharWidth(byte chr) {
return chr < mCharMax ? mChars[chr].w : 0;
}
byte SciGUIfont::getCharHeight(byte chr) {
return chr < mCharMax ? mChars[chr].h : 0;
}
byte *SciGUIfont::getCharData(byte chr) {
return chr < mCharMax ? _resourceData + mChars[chr].offset + 2 : 0;
}
void SciGUIfont::draw(int16 chr, int16 top, int16 left, byte color, byte textface) {
int charWidth = MIN<int>(getCharWidth(chr), _screen->_width - left);
int charHeight = MIN<int>(getCharHeight(chr), 200 - top);
byte b = 0, mask = 0xFF;
int y = top;
byte *pIn = getCharData(chr);
for (int i = 0; i < charHeight; i++, y++) {
if (textface & 1) // "grayed" output
mask = top++ % 2 ? 0xAA : 0x55;
for (int done = 0; done < charWidth; done++) {
if ((done & 7) == 0) // fetching next data byte
b = *(pIn++) & mask;
if (b & 0x80) // if MSB is set - paint it
_screen->Put_Pixel(left + done, y, 1, color, 0, 0);
b = b << 1;
}
}
}
} // end of namespace Sci
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