C++ (Cpp) Rect::findIntersectingRect Examples

Example #1

File: walk.cpp Project: andrew889/scummvm

int BbvsEngine::rectSubtract(const Common::Rect &rect1, const Common::Rect &rect2, Common::Rect *outRects) {
	int count = 0;
	Common::Rect workRect = rect1.findIntersectingRect(rect2);
	if (!workRect.isEmpty()) {
		count = 0;
		outRects[count] = Common::Rect(rect2.width(), workRect.top - rect2.top);
		if (!outRects[count].isEmpty()) {
			outRects[count].translate(rect2.left, rect2.top);
			++count;
		}
		outRects[count] = Common::Rect(workRect.left - rect2.left, workRect.height());
		if (!outRects[count].isEmpty()) {
			outRects[count].translate(rect2.left, workRect.top);
			++count;
		}
		outRects[count] = Common::Rect(rect2.right - workRect.right, workRect.height());
		if (!outRects[count].isEmpty()) {
			outRects[count].translate(workRect.right, workRect.top);
			++count;
		}
		outRects[count] = Common::Rect(rect2.width(), rect2.bottom - workRect.bottom);
		if (!outRects[count].isEmpty()) {
			outRects[count].translate(rect2.left, workRect.bottom);
			++count;
		}
	} else {
		outRects[0] = rect2;
		count = 1;
	}
	return count;
}

Example #2

File: energymonitor.cpp Project: CatalystG/scummvm

void EnergyMonitor::draw(const Common::Rect &r) {
	Common::Rect r2 = r.findIntersectingRect(_levelRect);

	if (!r2.isEmpty()) {
		Graphics::Surface *screen = ((PegasusEngine *)g_engine)->_gfx->getWorkArea();
		screen->fillRect(r2, _barColor);
	}
}

Example #3

File: elements.cpp Project: AlbanBedel/scummvm

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));
	}
}

Example #4

File: movie.cpp Project: AlbanBedel/scummvm

void Movie::draw(const Common::Rect &r) {
	Common::Rect worldBounds = _movieBox;
	Common::Rect elementBounds;
	getBounds(elementBounds);

	worldBounds.moveTo(elementBounds.left, elementBounds.top);
	Common::Rect r1 = r.findIntersectingRect(worldBounds);

	Common::Rect r2 = r1;
	r2.translate(_movieBox.left - elementBounds.left, _movieBox.top - elementBounds.top);
	drawImage(r2, r1);
}

Example #5

File: director.cpp Project: vladimir-zahradnik/scummvm

void Director::drawRect(const Common::Rect &rect) {
	_surface.fillRect(rect, 0);
	for (uint i = 0; i < _sprites.size(); ++i) {
		const Common::Rect &spriteRect = _sprites[i]->getBounds();
		Common::Rect interRect = rect.findIntersectingRect(spriteRect);
		if (interRect.isEmpty())
			continue;

		Common::Rect srcRect(interRect);
		srcRect.translate(-spriteRect.left, -spriteRect.top);
		_surface.transBlitFrom(*_sprites[i]->getDecoder()->getCurrentFrame(), srcRect, interRect, _sprites[i]->getDecoder()->getTransparentColourIndex());
	}
}

Example #6

File: elements.cpp Project: AlbanBedel/scummvm

void Sprite::draw(const Common::Rect &r) {
	if (_currentFrame) {
		Common::Rect frameBounds;
		_currentFrame->frame->getSurfaceBounds(frameBounds);

		frameBounds.translate(_bounds.left + _currentFrame->frameLeft, _bounds.top + _currentFrame->frameTop);
		Common::Rect r1 = frameBounds.findIntersectingRect(r);

		Common::Rect r2 = frameBounds;
		r2.translate(-_bounds.left - _currentFrame->frameLeft, -_bounds.top - _currentFrame->frameTop);

		_currentFrame->frame->drawImage(r2, r1);
	}
}

Example #7

File: transition.cpp Project: AlbanBedel/scummvm

void Slide::drawSlideElement(const Common::Rect &drawRect, const Common::Rect &oldBounds, DisplayElement *picture) {
	if (picture && drawRect.intersects(oldBounds)) {
		picture->moveElementTo(oldBounds.left, oldBounds.top);
		picture->draw(drawRect.findIntersectingRect(oldBounds));
	}
}