C++ GfxView::drawScaled方法代码示例

//.........这里部分代码省略.........
						view->adjustToUpscaledCoordinates(itemEntry->celRect.bottom, itemEntry->celRect.right);
					}
					itemEntry->celRect.translate(itemEntry->x, itemEntry->y);
					// TODO: maybe we should clip the cels rect with this, i'm not sure
					//  the only currently known usage is game menu of gk1
				} else if (view) {
					// Process global scaling, if needed.
					// TODO: Seems like SCI32 always processes global scaling for scaled objects
					// TODO: We can only process symmetrical scaling for now (i.e. same value for scaleX/scaleY)
					if ((itemEntry->scaleSignal & kScaleSignalDoScaling32) && 
					   !(itemEntry->scaleSignal & kScaleSignalDisableGlobalScaling32) &&
					    (itemEntry->scaleX == itemEntry->scaleY) &&
						itemEntry->scaleX != 128)
						applyGlobalScaling(itemEntry, it->planeRect, view->getHeight(itemEntry->loopNo, itemEntry->celNo));

					if ((itemEntry->scaleX == 128) && (itemEntry->scaleY == 128))
						view->getCelRect(itemEntry->loopNo, itemEntry->celNo,
							itemEntry->x, itemEntry->y, itemEntry->z, itemEntry->celRect);
					else
						view->getCelScaledRect(itemEntry->loopNo, itemEntry->celNo,
							itemEntry->x, itemEntry->y, itemEntry->z, itemEntry->scaleX,
							itemEntry->scaleY, itemEntry->celRect);

					Common::Rect nsRect = itemEntry->celRect;
					// Translate back to actual coordinate within scrollable plane
					nsRect.translate(it->planeOffsetX, it->planeOffsetY);

					if (g_sci->getGameId() == GID_PHANTASMAGORIA2) {
						// HACK: Some (?) objects in Phantasmagoria 2 have no NS rect. Skip them for now.
						// TODO: Remove once we figure out how Phantasmagoria 2 draws objects on screen.
						if (lookupSelector(_segMan, itemEntry->object, SELECTOR(nsLeft), NULL, NULL) != kSelectorVariable)
							continue;
					}

					if (view && view->isSci2Hires()) {
						view->adjustBackUpscaledCoordinates(nsRect.top, nsRect.left);
						view->adjustBackUpscaledCoordinates(nsRect.bottom, nsRect.right);
						g_sci->_gfxCompare->setNSRect(itemEntry->object, nsRect);
					} else if (getSciVersion() >= SCI_VERSION_2_1 && _resMan->detectHires()) {
						_coordAdjuster->fromDisplayToScript(nsRect.top, nsRect.left);
						_coordAdjuster->fromDisplayToScript(nsRect.bottom, nsRect.right);
						g_sci->_gfxCompare->setNSRect(itemEntry->object, nsRect);
					}
				}

				// Don't attempt to draw sprites that are outside the visible
				// screen area. An example is the random people walking in
				// Jackson Square in GK1.
				if (itemEntry->celRect.bottom < 0 || itemEntry->celRect.top  >= _screen->getDisplayHeight() ||
				    itemEntry->celRect.right  < 0 || itemEntry->celRect.left >= _screen->getDisplayWidth())
					continue;

				Common::Rect clipRect, translatedClipRect;
				clipRect = itemEntry->celRect;

				if (view && view->isSci2Hires()) {
					clipRect.clip(it->upscaledPlaneClipRect);
					translatedClipRect = clipRect;
					translatedClipRect.translate(it->upscaledPlaneRect.left, it->upscaledPlaneRect.top);
				} else {
					// QFG4 passes invalid rectangles when a battle is starting
					if (!clipRect.isValidRect())
						continue;
					clipRect.clip(it->planeClipRect);
					translatedClipRect = clipRect;
					translatedClipRect.translate(it->planeRect.left, it->planeRect.top);
				}

				if (view) {
					if (!clipRect.isEmpty()) {
						if ((itemEntry->scaleX == 128) && (itemEntry->scaleY == 128))
							view->draw(itemEntry->celRect, clipRect, translatedClipRect,
								itemEntry->loopNo, itemEntry->celNo, 255, 0, view->isSci2Hires());
						else
							view->drawScaled(itemEntry->celRect, clipRect, translatedClipRect,
								itemEntry->loopNo, itemEntry->celNo, 255, itemEntry->scaleX, itemEntry->scaleY);
					}
				}

				// Draw text, if it exists
				if (lookupSelector(_segMan, itemEntry->object, SELECTOR(text), NULL, NULL) == kSelectorVariable) {
					g_sci->_gfxText32->drawTextBitmap(itemEntry->x, itemEntry->y, it->planeRect, itemEntry->object);
				}
			}
		}

		for (PlanePictureList::iterator pictureIt = _planePictures.begin(); pictureIt != _planePictures.end(); pictureIt++) {
			if (pictureIt->object == planeObject) {
				delete[] pictureIt->pictureCels;
				pictureIt->pictureCels = 0;
			}
		}
	}

	showCurrentScrollText();

	_screen->copyToScreen();

	g_sci->getEngineState()->_throttleTrigger = true;
}

//.........这里部分代码省略.........
					writeSelectorValue(_segMan, itemEntry->object, SELECTOR(nsRight), nsRect.right);
					writeSelectorValue(_segMan, itemEntry->object, SELECTOR(nsBottom), nsRect.bottom);
				}

				int16 screenHeight = _screen->getHeight();
				int16 screenWidth = _screen->getWidth();
				if (view->isSci2Hires()) {
					screenHeight = _screen->getDisplayHeight();
					screenWidth = _screen->getDisplayWidth();
				}

				if (itemEntry->celRect.bottom < 0 || itemEntry->celRect.top >= screenHeight)
					continue;

				if (itemEntry->celRect.right < 0 || itemEntry->celRect.left >= screenWidth)
					continue;

				Common::Rect clipRect, translatedClipRect;
				clipRect = itemEntry->celRect;
				if (view->isSci2Hires()) {
					clipRect.clip(it->upscaledPlaneClipRect);
					translatedClipRect = clipRect;
					translatedClipRect.translate(it->upscaledPlaneRect.left, it->upscaledPlaneRect.top);
				} else {
					clipRect.clip(it->planeClipRect);
					translatedClipRect = clipRect;
					translatedClipRect.translate(it->planeRect.left, it->planeRect.top);
				}

				if (!clipRect.isEmpty()) {
					if ((itemEntry->scaleX == 128) && (itemEntry->scaleY == 128))
						view->draw(itemEntry->celRect, clipRect, translatedClipRect, itemEntry->loopNo, itemEntry->celNo, 255, 0, view->isSci2Hires());
					else
						view->drawScaled(itemEntry->celRect, clipRect, translatedClipRect, itemEntry->loopNo, itemEntry->celNo, 255, itemEntry->scaleX, itemEntry->scaleY);
				}
			} else {
				// Most likely a text entry
				// This draws text the "SCI0-SCI11" way. In SCI2, text is prerendered in kCreateTextBitmap
				// TODO: rewrite this the "SCI2" way (i.e. implement the text buffer to draw inside kCreateTextBitmap)
				if (lookupSelector(_segMan, itemEntry->object, SELECTOR(text), NULL, NULL) == kSelectorVariable) {
					reg_t stringObject = readSelector(_segMan, itemEntry->object, SELECTOR(text));

					// The object in the text selector of the item can be either a raw string
					// or a Str object. In the latter case, we need to access the object's data
					// selector to get the raw string.
					if (_segMan->isHeapObject(stringObject))
						stringObject = readSelector(_segMan, stringObject, SELECTOR(data));

					Common::String text = _segMan->getString(stringObject);
					GfxFont *font = _cache->getFont(readSelectorValue(_segMan, itemEntry->object, SELECTOR(font)));
					bool dimmed = readSelectorValue(_segMan, itemEntry->object, SELECTOR(dimmed));
					uint16 foreColor = readSelectorValue(_segMan, itemEntry->object, SELECTOR(fore));

					itemEntry->y = ((itemEntry->y * _screen->getHeight()) / scriptsRunningHeight);
					itemEntry->x = ((itemEntry->x * _screen->getWidth()) / scriptsRunningWidth);

					uint16 startX = itemEntry->x + it->planeRect.left;
					uint16 curY = itemEntry->y + it->planeRect.top;
					const char *txt = text.c_str();
					// HACK. The plane sometimes doesn't contain the correct width. This
					// hack breaks the dialog options when speaking with Grace, but it's
					// the best we got up to now. This happens because of the unimplemented
					// kTextWidth function in SCI32.
					// TODO: Remove this once kTextWidth has been implemented.
					uint16 w = it->planeRect.width() >= 20 ? it->planeRect.width() : _screen->getWidth() - 10;
					int16 charCount;