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engines/ultima/ultima4/views/view.h

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+/* 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 ULTIMA4_VIEWS_VIEW_H
+#define ULTIMA4_VIEWS_VIEW_H
+
+namespace Ultima {
+namespace Ultima4 {
+
+#define SCALED(n) ((n) * settings._scale)
+
+class Image;
+
+/**
+ * Generic base class for reflecting the state of a game object onto
+ * the screen.
+ */
+class View {
+public:
+	View(int x, int y, int width, int height);
+	virtual ~View() {}
+
+	/**
+	 * Hook for reinitializing when graphics reloaded.
+	 */
+	virtual void reinit();
+
+	/**
+	 * Clear the view to black.
+	 */
+	virtual void clear();
+
+	/**
+	 * Update the view to the screen.
+	 */
+	virtual void update();
+
+	/**
+	 * Update a piece of the view to the screen.
+	 */
+	virtual void update(int x, int y, int width, int height);
+
+	/**
+	 * Highlight a piece of the screen by drawing it in inverted colors.
+	 */
+	virtual void highlight(int x, int y, int width, int height);
+	virtual void unhighlight();
+
+protected:
+	Common::Rect _bounds;
+	Common::Rect _highlightBounds;
+	bool _highlighted;
+	void drawHighlighted();
+#ifdef IOS_ULTIMA4
+	friend void U4IOS::updateScreenView();
+#endif
+	static Image *_screen;
+};
+
+} // End of namespace Ultima4
+} // End of namespace Ultima
+
+#endif