Initial commit

engines/glk/utils.h

@@ -0,0 +1,87 @@
+/* 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 GLK_UTILS_H
+#define GLK_UTILS_H
+
+#include "common/array.h"
+#include "common/rect.h"
+#include "glk/glk_types.h"
+
+namespace Glk {
+
+/**
+ * Two dimensional point
+ */
+typedef Common::Point Point;
+
+/**
+ * Contains a square box/rect area
+ */
+struct Rect : public Common::Rect {
+public:
+	static Rect fromXYWH(int x, int y, int w, int h) {
+		if (w <= 0 || h <= 0)
+			return Rect(x, y, x, y);
+
+		return Rect(x, y, x + w, y + h);
+	}
+
+	Rect() : Common::Rect() {}
+	Rect(int16 w, int16 h) : Common::Rect(w, h) {}
+	Rect(int16 x1, int16 y1, int16 x2, int16 y2) : Common::Rect(x1, y1, x2, y2) {}
+};
+
+/**
+ * Derived array class
+ */
+template<class T>class Array : public Common::Array<T> {
+public:
+	/**
+	 * Return the index in the array of a passed item
+	 */
+	int indexOf(T val) {
+		for (size_t idx = 0; idx < this->size(); ++idx) {
+			if ((*this).operator[](idx) == val)
+				return idx;
+		}
+
+		return -1;
+	}
+
+	/**
+	 * Remove an item from an array by value
+	 */
+	void remove(T val) {
+		int index = indexOf(val);
+		if (index != -1)
+			Common::Array<T>::remove_at(index);
+	}
+};
+
+/**
+ * Converts a decimal or hexadecimal string into a number
+ */
+int strToInt(const char *s);
+
+} // End of namespace Glk
+
+#endif