scummvm/video/subtitles.h
2023-12-24 13:19:25 +01:00

105 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 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/>.
*
*/
#ifndef VIDEO_SUBTITLES_H
#define VIDEO_SUBTITLES_H
#include "common/str.h"
#include "common/array.h"
#include "common/rect.h"
namespace Graphics {
class Font;
struct Surface;
}
namespace Video {
struct SRTEntry {
uint seq;
uint32 start;
uint32 end;
Common::String text;
SRTEntry(uint seq_, uint32 start_, uint32 end_, Common::String text_) {
seq = seq_; start = start_; end = end_; text = text_;
}
};
class SRTParser {
public:
SRTParser();
~SRTParser();
void cleanup();
bool parseFile(const Common::Path &fname);
Common::String getSubtitle(uint32 timestamp) const;
private:
Common::Array<SRTEntry *> _entries;
};
class Subtitles {
public:
Subtitles();
~Subtitles();
void loadSRTFile(const Common::Path &fname);
void close() { _loaded = false; _subtitle.clear(); _fname.clear(); _srtParser.cleanup(); }
void setFont(const char *fontname, int height = 18);
void setBBox(const Common::Rect bbox);
void setColor(byte r, byte g, byte b);
void setPadding(uint16 horizontal, uint16 vertical);
bool drawSubtitle(uint32 timestamp, bool force = false) const;
bool isLoaded() const { return _loaded || _subtitleDev; }
private:
void renderSubtitle() const;
SRTParser _srtParser;
bool _loaded;
bool _subtitleDev;
bool _overlayHasAlpha;
const Graphics::Font *_font;
int _fontHeight;
Graphics::Surface *_surface;
mutable Common::Rect _drawRect;
Common::Rect _requestedBBox;
mutable Common::Rect _realBBox;
mutable int16 _lastOverlayWidth, _lastOverlayHeight;
Common::Path _fname;
mutable Common::String _subtitle;
uint32 _color;
uint32 _blackColor;
uint32 _transparentColor;
uint16 _hPad;
uint16 _vPad;
};
} // End of namespace Video
#endif