scummvm/engines/zvision/text/subtitles.cpp

114 lines
3.2 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "zvision/graphics/render_manager.h"
#include "zvision/text/subtitles.h"
#include "zvision/file/search_manager.h"
#include "zvision/text/text.h"
namespace ZVision {
Subtitle::Subtitle(ZVision *engine, const Common::Path &subname, bool upscaleToHires) :
_engine(engine),
_areaId(-1),
_subId(-1) {
Common::File file;
if (_engine->getSearchManager()->openFile(file, subname)) {
while (!file.eos()) {
Common::String str = file.readLine();
if (str.lastChar() == '~')
str.deleteLastChar();
if (str.matchString("*Initialization*", true)) {
// Not used
} else if (str.matchString("*Rectangle*", true)) {
int32 x1, y1, x2, y2;
sscanf(str.c_str(), "%*[^:]:%d %d %d %d", &x1, &y1, &x2, &y2);
Common::Rect rct = Common::Rect(x1, y1, x2, y2);
if (upscaleToHires)
_engine->getRenderManager()->upscaleRect(rct);
_areaId = _engine->getRenderManager()->createSubArea(rct);
} else if (str.matchString("*TextFile*", true)) {
char filename[64];
sscanf(str.c_str(), "%*[^:]:%s", filename);
Common::File txt;
if (_engine->getSearchManager()->openFile(txt, Common::Path(filename))) {
while (!txt.eos()) {
Common::String txtline = readWideLine(txt).encode();
sub curSubtitle;
curSubtitle.start = -1;
curSubtitle.stop = -1;
curSubtitle.subStr = txtline;
_subs.push_back(curSubtitle);
}
txt.close();
}
} else {
int32 st;
int32 en;
int32 sb;
if (sscanf(str.c_str(), "%*[^:]:(%d,%d)=%d", &st, &en, &sb) == 3) {
if (sb <= (int32)_subs.size()) {
if (upscaleToHires) {
// Convert from 15FPS (AVI) to 29.97FPS (VOB)
st = st * 2997 / 1500;
en = en * 2997 / 1500;
}
_subs[sb].start = st;
_subs[sb].stop = en;
}
}
}
}
}
}
Subtitle::~Subtitle() {
if (_areaId != -1)
_engine->getRenderManager()->deleteSubArea(_areaId);
_subs.clear();
}
void Subtitle::process(int32 time) {
int16 j = -1;
for (uint16 i = 0; i < _subs.size(); i++)
if (time >= _subs[i].start && time <= _subs[i].stop) {
j = i;
break;
}
if (j == -1 && _subId != -1) {
if (_areaId != -1)
_engine->getRenderManager()->updateSubArea(_areaId, "");
_subId = -1;
}
if (j != -1 && j != _subId) {
if (_subs[j].subStr.size())
if (_areaId != -1)
_engine->getRenderManager()->updateSubArea(_areaId, _subs[j].subStr);
_subId = j;
}
}
} // End of namespace ZVision