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PEGASUS: Add the SoundLevel class

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This commit is contained in:
Matthew Hoops 2011-09-29 01:29:42 -04:00
parent 6440d4d5f6
commit 34fd248f8a
2 changed files with 58 additions and 0 deletions
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41
engines/pegasus/elements.cpp
View File

@ -524,4 +524,45 @@ void ScreenDimmer::draw(const Common::Rect &r) {
#undef DRAW_PIXEL
#undef SKIP_PIXEL
SoundLevel::SoundLevel(const tDisplayElementID id) : DisplayElement(id) {
_soundLevel = 0;
}
void SoundLevel::incrementLevel() {
if (_soundLevel < 12) {
_soundLevel++;
triggerRedraw();
}
}
void SoundLevel::decrementLevel() {
if (_soundLevel > 0) {
_soundLevel--;
triggerRedraw();
}
}
uint16 SoundLevel::getSoundLevel() {
return CLIP<int>(_soundLevel * 22, 0, 256);
}
void SoundLevel::setSoundLevel(uint16 level) {
uint16 newLevel = (level + 21) / 22;
if (newLevel != _soundLevel) {
_soundLevel = newLevel;
triggerRedraw();
}
}
void SoundLevel::draw(const Common::Rect &r) {
Common::Rect levelRect(_bounds.right - (8 * (_soundLevel - 12)), _bounds.top, _bounds.right, _bounds.bottom);
levelRect = r.findIntersectingRect(levelRect);
if (!levelRect.isEmpty()) {
Graphics::Surface *screen = ((PegasusEngine *)g_engine)->_gfx->getWorkArea();
screen->fillRect(levelRect, g_system->getScreenFormat().RGBToColor(0, 0, 0));
}
}
} // End of namespace Pegasus

17
engines/pegasus/elements.h
View File

@ -232,6 +232,23 @@ public:
virtual void draw(const Common::Rect &);
};
class SoundLevel : public DisplayElement {
public:
SoundLevel(const tDisplayElementID);
virtual ~SoundLevel() {}
void incrementLevel();
void decrementLevel();
uint16 getSoundLevel();
void setSoundLevel(uint16);
void draw(const Common::Rect &);
protected:
uint16 _soundLevel;
};
} // End of namespace Pegasus
#endif