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public/mxtk/mximage.h

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+//
+//                 mxToolKit (c) 1999 by Mete Ciragan
+//
+// file:           mxImage.h
+// implementation: all
+// last modified:  Apr 15 1999, Mete Ciragan
+// copyright:      The programs and associated files contained in this
+//                 distribution were developed by Mete Ciragan. The programs
+//                 are not in the public domain, but they are freely
+//                 distributable without licensing fees. These programs are
+//                 provided without guarantee or warrantee expressed or
+//                 implied.
+//
+#ifndef INCLUDED_MXIMAGE
+#define INCLUDED_MXIMAGE
+
+
+
+#ifndef byte
+typedef unsigned char byte;
+#endif // byte
+
+#ifndef word
+typedef unsigned short word;
+#endif // word
+
+
+
+class mxImage
+{
+public:
+	int width;
+	int height;
+	int bpp;
+	void *data;
+	void *palette;
+
+	// CREATORS
+	mxImage () : width (0), height (0), bpp (0), data (0), palette (0)
+	{
+	}
+
+	mxImage (int w, int h, int bpp)
+	{
+		create (w, h, bpp);
+	}
+
+	virtual ~mxImage ()
+	{
+		destroy ();
+	}
+
+	// MANIPULATORS
+	bool create (int w, int h, int pixelSize)
+	{
+		if (data)
+			delete[] data;
+
+		if (palette)
+			delete[] palette;
+
+		data = new byte[w * h * pixelSize / 8];
+		if (!data)
+			return false;
+
+		// allocate a palette for 8-bit images
+		if (pixelSize == 8)
+		{
+			palette = new byte[768];
+			if (!palette)
+			{
+				delete[] data;
+				return false;
+			}
+		}
+		else
+			palette = 0;
+
+		width = w;
+		height = h;
+		bpp = pixelSize;
+
+		return true;
+	}
+
+	void destroy ()
+	{
+		if (data)
+			delete[] data;
+
+		if (palette)
+			delete[] palette;
+
+		data = palette = 0;
+		width = height = bpp = 0;
+	}
+
+private:
+	// NOT IMPLEMENTED
+	mxImage (const mxImage&);
+	mxImage& operator= (const mxImage&);
+};
+
+
+
+#endif // INCLUDED_MXIMAGE