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scummvm-cursorfix/video/subtitles.h
2026-02-02 04:50:13 +01:00

142 lines
3.6 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/hashmap.h"
#include "common/rect.h"
#include "graphics/surface.h"
namespace Graphics {
class Font;
}
namespace Video {
struct SubtitlePart {
Common::String text;
Common::String tag;
SubtitlePart(const Common::String &text_, const Common::String &tag_) : text(text_), tag(tag_) {}
};
struct SRTEntry {
uint seq;
uint32 start;
uint32 end;
Common::Array<SubtitlePart> parts;
SRTEntry(uint seq_, uint32 start_, uint32 end_) {
seq = seq_; start = start_; end = end_;
}
// Dummy constructor for bsearch
SRTEntry(uint seq_, uint32 start_, uint32 end_, const Common::String &text, const Common::String &tag = "") {
seq = seq_; start = start_; end = end_;
parts.push_back(SubtitlePart(text, tag));
}
};
class SRTParser {
public:
SRTParser();
~SRTParser();
void cleanup();
bool parseFile(const Common::Path &fname);
void parseTextAndTags(const Common::String &text, Common::Array<SubtitlePart> &parts) const;
const Common::Array<SubtitlePart> *getSubtitleParts(uint32 timestamp) const;
bool isSfx() const;
private:
Common::Array<SRTEntry *> _entries;
};
class Subtitles {
public:
enum FontStyle : int {
kFontStyleRegular = 0,
kFontStyleItalic,
};
Subtitles();
virtual ~Subtitles();
void loadSRTFile(const Common::Path &fname);
void close();
void setFont(const char *fontname, int height = 18, FontStyle type = kFontStyleRegular);
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, bool showSFX = false) const;
bool isSfx() const {
if (!_srtParser)
return false;
return _srtParser->isSfx();
}
bool isLoaded() const { return _loaded || _subtitleDev; }
virtual void clearSubtitle() const;
protected:
bool recalculateBoundingBox() const;
void renderSubtitle() const;
void translateBBox(int16 dx, int16 dy) const { _realBBox.translate(dx, dy); }
virtual void updateSubtitleOverlay() const;
virtual bool shouldShowSubtitle() const { return true; }
bool _loaded;
mutable const Common::Array<SubtitlePart> *_parts = nullptr;
mutable uint16 _splitPartCount = 0;
private:
SRTParser *_srtParser = nullptr;
bool _subtitleDev;
bool _overlayHasAlpha;
mutable Common::Array<SubtitlePart> _devParts;
Common::HashMap<int, const Graphics::Font *> _fonts;
int _fontHeight;
mutable Graphics::Surface _surface;
mutable Common::Rect _drawRect;
Common::Rect _requestedBBox;
mutable Common::Rect _realBBox;
mutable int16 _lastOverlayWidth, _lastOverlayHeight;
Common::Path _fname;
uint32 _color;
uint32 _blackColor;
uint32 _transparentColor;
uint16 _hPad;
uint16 _vPad;
};
} // End of namespace Video
#endif