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From: grunwald@uiucdcsm.cs.uiuc.edu
Newsgroups: comp.lang.c++
Subject: Re: constructors
Message-ID: <4800009@uiucdcsm>
Date: Sun, 29-Nov-87 15:25:00 EST
Article-I.D.: uiucdcsm.4800009
Posted: Sun Nov 29 15:25:00 1987
Date-Received: Wed, 2-Dec-87 22:58:45 EST
References: <4162@watdcsu.waterloo.edu>
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Nf-ID: #R:watdcsu.waterloo.edu:4162:uiucdcsm:4800009:000:565
Nf-From: uiucdcsm.cs.uiuc.edu!grunwald    Nov 29 14:25:00 1987


you need to say what you mean, not what you're used to saying.

i.e. don't look at it as building a struct. look at it as a class:

class Bitmap {
	int width;
	int height;
	char *theMap;
public:
	Bitmap(int xwidth, int xheight) {
		width = xwidth; height = xheight;
		int bytes = ((width + 7) / 8) * height;
		theMap = new char[byte];
	}

	~Bitmap() {
		delete theMap;
	}
}

this way, when you 'delete' a Bitmap, you also delete the store associated
with it (because its destructor is called).

you could also declare member functions like 'rasterOp' and the like.