C++ GfxSurface::getBounds方法代码示例

InventoryDialog::InventoryDialog() {
	// Determine the maximum size of the image of any item in the player's inventory
	int imgWidth = 0, imgHeight = 0;

	SynchronizedList<InvObject *>::iterator i;
	for (i = RING_INVENTORY._itemList.begin(); i != RING_INVENTORY._itemList.end(); ++i) {
		InvObject *invObject = *i;
		if (invObject->inInventory()) {
			// Get the image for the item
			GfxSurface itemSurface = surfaceFromRes(invObject->_displayResNum, invObject->_rlbNum, invObject->_cursorNum);

			// Maintain the dimensions of the largest item image
			imgWidth = MAX(imgWidth, (int)itemSurface.getBounds().width());
			imgHeight = MAX(imgHeight, (int)itemSurface.getBounds().height());

			// Add the item to the display list
			GfxInvImage *img = new GfxInvImage();
			_images.push_back(img);
			img->setDetails(invObject->_displayResNum, invObject->_rlbNum, invObject->_cursorNum);
			img->_invObject = invObject;
			add(img);
		}
	}
	assert(_images.size() > 0);

	// Figure out the number of columns/rows to show all the items
	int cellsSize = 3;
	while ((cellsSize * cellsSize) < (int)_images.size())
		++cellsSize;

	// Set the position of each inventory item to be displayed
	int cellX = 0;
	Common::Point pt(0, 0);

	for (uint idx = 0; idx < _images.size(); ++idx) {
		if (cellX == cellsSize) {
			// Move to the start of the next line
			pt.x = 0;
			pt.y += imgHeight + 2;
			cellX = 0;
		}

		_images[idx]->_bounds.moveTo(pt.x, pt.y);

		pt.x += imgWidth + 2;
		++cellX;
	}

	// Set up the buttons
	pt.y += imgHeight + 2;
	_btnOk.setText(OK_BTN_STRING);
	_btnOk._bounds.moveTo((imgWidth + 2) * cellsSize - _btnOk._bounds.width(), pt.y);
	_btnLook.setText(LOOK_BTN_STRING);
	_btnLook._bounds.moveTo(_btnOk._bounds.left - _btnLook._bounds.width() - 2, _btnOk._bounds.top);
	addElements(&_btnLook, &_btnOk, NULL);

	frame();
	setCenter(SCREEN_CENTER_X, SCREEN_CENTER_Y);
}

void EventsClass::setCursor(GfxSurface &cursor) {
	Graphics::Surface s = cursor.lockSurface();

	const byte *cursorData = (const byte *)s.getPixels();
	CursorMan.replaceCursor(cursorData, cursor.getBounds().width(), cursor.getBounds().height(),
		cursor._centroid.x, cursor._centroid.y, cursor._transColor);

	_lastCursor = CURSOR_NONE;
}

/**
 * Resizes and positions a given rect based on raw image data and a passed scaling percentage
 *
 * @frame Raw image frame
 * @xp New x position
 * @yp New y position
 * @percent Scaling percentage
 */
void Rect::resize(const GfxSurface &surface, int xp, int yp, int percent) {
	int xe = surface.getBounds().width() * percent / 100;
	int ye = surface.getBounds().height() * percent / 100;
	this->set(0, 0, xe, ye);

	if (!right) ++right;
	if (!bottom) ++bottom;

	this->moveTo(xp, yp);

	int xd = surface._centroid.x * percent / 100;
	int yd = surface._centroid.y * percent / 100;
	this->translate(-xd, -yd);
}

void Scene3700::Viewer::draw() {
	Region *priorityRegion = _globals->_sceneManager._scene->_priorities.find(1);

	for (int idx = 0; idx < 4; ++idx) {
		Visage &v = (idx == 0) ? _images1 : _images2;

		GfxSurface img = v.getFrame(_frameList[idx]);
		Rect destRect = img.getBounds();
		destRect.resize(img, (_position.x - _globals->_sceneOffset.x),
			(_position.y  - _globals->_sceneOffset.y - _yDiff), _percentList[idx]);

		destRect.translate(-_globals->_sceneManager._scene->_sceneBounds.left,
			-_globals->_sceneManager._scene->_sceneBounds.top);

		_globals->gfxManager().copyFrom(img, destRect, priorityRegion);
	}
}

/**
 * Copys an area from one GfxSurface to another
 */
void GfxSurface::copyFrom(GfxSurface &src, Rect srcBounds, Rect destBounds, Region *priorityRegion) {
	GfxSurface srcImage;
	if (srcBounds.isEmpty())
		return;

	if (srcBounds == src.getBounds())
		srcImage = src;
	else {
		// Set the source image to be the subset specified by the source bounds
		Graphics::Surface srcSurface = src.lockSurface();

		srcImage.create(srcBounds.width(), srcBounds.height());
		Graphics::Surface destSurface = srcImage.lockSurface();

		const byte *srcP = (const byte *)srcSurface.getBasePtr(srcBounds.left, srcBounds.top);
		byte *destP = (byte *)destSurface.pixels;
		for (int yp = srcBounds.top; yp < srcBounds.bottom; ++yp, srcP += srcSurface.pitch, destP += destSurface.pitch) {
			Common::copy(srcP, srcP + srcBounds.width(), destP);
		}

		srcImage.unlockSurface();
		src.unlockSurface();
	}

	if ((destBounds.width() != srcBounds.width()) || (destBounds.height() != srcBounds.height()))
		srcImage = ResizeSurface(srcImage, destBounds.width(), destBounds.height(), src._transColor);

	Graphics::Surface srcSurface = srcImage.lockSurface();
	Graphics::Surface destSurface = lockSurface();

	// Adjust bounds to ensure destination will be on-screen
	int srcX = 0, srcY = 0;
	if (destBounds.left < 0) {
		srcX = -destBounds.left;
		destBounds.left = 0;
	}
	if (destBounds.top < 0) {
		srcY = -destBounds.top;
		destBounds.top = 0;
	}
	if (destBounds.right > destSurface.w)
		destBounds.right = destSurface.w;
	if (destBounds.bottom > destSurface.h)
		destBounds.bottom = destSurface.h;

	if (destBounds.isValidRect()) {
		const byte *pSrc = (const byte *)srcSurface.getBasePtr(srcX, srcY);
		byte *pDest = (byte *)destSurface.getBasePtr(destBounds.left, destBounds.top);

		for (int y = 0; y < destBounds.height(); ++y, pSrc += srcSurface.pitch, pDest += destSurface.pitch) {

			if (!priorityRegion && (src._transColor == -1))
				Common::copy(pSrc, pSrc + destBounds.width(), pDest);
			else {
				const byte *tempSrc = pSrc;
				byte *tempDest = pDest;
				int xp = destBounds.left;

				while (tempSrc < (pSrc + destBounds.width())) {
					if (!priorityRegion || !priorityRegion->contains(Common::Point(
							xp + _globals->_sceneManager._scene->_sceneBounds.left,
							destBounds.top + y + _globals->_sceneManager._scene->_sceneBounds.top))) {
						if (*tempSrc != src._transColor)
							*tempDest = *tempSrc;
					}
					++tempSrc;
					++tempDest;
					++xp;
				}
			}
		}
	}

	unlockSurface();
	srcImage.unlockSurface();
}