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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.
*
*/
#include "common/archive.h"
#include "common/debug.h"
#include "common/stream.h"
#include "prince/font.h"
#include "prince/prince.h"
namespace Prince {
Font::Font() : _fontData(nullptr) {
}
Font::~Font() {
if (_fontData != nullptr) {
free(_fontData);
_fontData = nullptr;
}
}
bool Font::loadStream(Common::SeekableReadStream &stream) {
stream.seek(0);
uint32 dataSize = stream.size();
_fontData = (byte *)malloc(dataSize);
stream.read(_fontData, stream.size());
return true;
}
int Font::getFontHeight() const {
return _fontData[5];
}
int Font::getMaxCharWidth() const {
return 0;
}
Font::ChrData Font::getChrData(byte chr) const {
chr -= 32;
uint16 chrOffset = 4 * chr + 6;
ChrData chrData;
chrData._width = _fontData[chrOffset + 2];
chrData._height = _fontData[chrOffset + 3];
chrData._pixels = _fontData + READ_LE_UINT16(_fontData + chrOffset);
return chrData;
}
int Font::getCharWidth(uint32 chr) const {
return getChrData(chr)._width;
}
void Font::drawChar(Graphics::Surface *dst, uint32 chr, int posX, int posY, uint32 color) const {
const ChrData chrData = getChrData(chr);
Common::Rect screenRect(0, 0, PrinceEngine::kNormalWidth, PrinceEngine::kNormalHeight);
for (int y = 0; y < chrData._height; y++) {
for (int x = 0; x < chrData._width; x++) {
byte d = chrData._pixels[x + (chrData._width * y)];
if (d == 0) d = 255;
else if (d == 1) d = 0;
else if (d == 2) d = color;
else if (d == 3) d = 0;
if (d != 255) {
if (screenRect.contains(posX + x, posY + y)) {
*(byte *)dst->getBasePtr(posX + x, posY + y) = d;
}
}
}
}
}
} // End of namespace Prince
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