mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-15 14:18:37 +00:00
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/* 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
|