hey people,
i wrote this program, but i have troubles compiling it.
my compiler keeps giving me error messages in this one line, and i cant
figure out why.
its in the line: void DoDrawRect(Rect angle);
#include <iostream>
using namespace std;
enum choice { DrawRect = 1, GetArea, GetPerim, ChangeDimension s, Quit};
class Rectangle
{
public:
Rectangle(int width, int height);
~Rectangle();
int GetWidth() {return itsWidth;}
int GetHeight() {return itsHeight;}
int GetArea() {return (itsWidth*itsHe ight);}
int GetPerim() {return (2*itsWidth+2*i tsHeight);}
void SetSize(int width, int height);
private:
int itsWidth;
int itsHeight;
};
Rectangle::Rect angle(int width, int height)
{
itsWidth=width;
itsHeight=heigh t;
}
Rectangle::~Rec tangle() {}
void Rectangle::SetS ize(int width, int height)
{
itsWidth=width;
itsHeight=heigh t;
}
int DoMenu();
void DoDrawRect(Rect angle); // <<--HERES THE
PROBLEM!!!!!!!! !!!!!!!!
void DoGetArea(Recta ngle);
void DoGetPerim(Rect angle);
int main()
{
Rectangle theRect(30,5);
int choice=DrawRect ;
int fQuit=false;
while(!fQuit)
{
choice=DoMenu() ;
if (choice<DrawRec t || choice>Quit)
{
cout << "\nAuswahl ungueltig. Bitte neu versuchen.\n\n" ;
continue;
}
switch(choice)
{
case DrawRect:
DoDrawRect(theR ect);
break;
case GetArea:
DoGetArea(theRe ct);
break;
case GetPerim:
DoGetPerim(theR ect);
break;
case ChangeDimension s:
int newWidth, newHeight;
cout << "\nBitte geben Sie die Breite an: ";
cin << newWidth;
cout << "\nBitte geben Sie die Hoehe an: ";
cin << newHeight;
theRect.SetSize (newWidth, newHeight);
DoDrawRect(theR ect);
break;
case Quit:
fQuit=true;
cout << "\nVerlassen.\n ";
break;
default:
cout << "\nFehler beim Auswaehlen!\n";
fQuit=true;
break;
}
return 0;
}
int DoMenu()
{
int choice;
cout << "\n\n**** Menue ****\n";
cout << "(1) Rechteck zeichnen\n";
cout << "(2) Flaeche\n";
cout << "(3) Umfang\n";
cout << "(4) Groesse veraendern\n";
cout << "(5) Beenden\n";
cin >> choice;
return choice;
}
void DoDrawRect(Rect angle theRect)
{
int height=theRect. GetHeight();
int width=theRect.G etWidth();
for(int i=0; i<height; i++)
{
for(int j=0; j<width; j++)
cout << "x";
cout << endl;
}
}
void DoGetArea(Recta ngle theRect)
{
int area=theRect.Ge tArea();
cout << "Flaeche: " << area << endl;
}
void DoGetPerim(Rect angle theRect)
{
int perim=theRect.G etPerim();
cout << "Umfang: " << perim << endl;
}
id really appreciate any help,
bye,
Claus 9 1427
Claus Nietzsche wrote in news:bs******** *****@news.t-online.com: hey people, i wrote this program, but i have troubles compiling it. my compiler keeps giving me error messages in this one line, and i cant figure out why. its in the line: void DoDrawRect(Rect angle);
[snip]
int main() { Rectangle theRect(30,5);
int choice=DrawRect ; int fQuit=false;
while(!fQuit) { choice=DoMenu() ; if (choice<DrawRec t || choice>Quit) { cout << "\nAuswahl ungueltig. Bitte neu versuchen.\n\n" ; continue; } switch(choice) { case DrawRect: DoDrawRect(theR ect); break; case GetArea: DoGetArea(theRe ct); break; case GetPerim: DoGetPerim(theR ect); break; case ChangeDimension s: int newWidth, newHeight; cout << "\nBitte geben Sie die Breite an: ";
cin << newWidth;
cin >> newWidth;
cout << "\nBitte geben Sie die Hoehe an: ";
cin << newHeight;
cin >> newHeight;
theRect.SetSize (newWidth, newHeight); DoDrawRect(theR ect); break; case Quit: fQuit=true; cout << "\nVerlassen.\n "; break; default: cout << "\nFehler beim Auswaehlen!\n"; fQuit=true; break; }
} /* end the while loop */
return 0; }
[snip] id really appreciate any help, bye, Claus
The above were the only error's I could find.
After applying the fixes it compiled and ran on 4 out of 4 of the
compilers I tried.
HTH.
Rob.
-- http://www.victim-prime.dsl.pipex.com/
"Claus Nietzsche" <cl*****@hotmai l.com> wrote... hey people, i wrote this program, but i have troubles compiling it. my compiler keeps giving me error messages in this one line, and i cant figure out why.
WHAT error?
its in the line: void DoDrawRect(Rect angle);
#include <iostream> using namespace std;
enum choice { DrawRect = 1, GetArea, GetPerim, ChangeDimension s, Quit};
class Rectangle { public: Rectangle(int width, int height); ~Rectangle();
int GetWidth() {return itsWidth;} int GetHeight() {return itsHeight;} int GetArea() {return (itsWidth*itsHe ight);} int GetPerim() {return (2*itsWidth+2*i tsHeight);} void SetSize(int width, int height);
private: int itsWidth; int itsHeight; };
Rectangle::Rect angle(int width, int height) { itsWidth=width; itsHeight=heigh t; }
Rectangle::~Rec tangle() {}
void Rectangle::SetS ize(int width, int height) { itsWidth=width; itsHeight=heigh t; }
int DoMenu(); void DoDrawRect(Rect angle); // <<--HERES THE PROBLEM!!!!!!!! !!!!!!!! void DoGetArea(Recta ngle); void DoGetPerim(Rect angle);
int main() { Rectangle theRect(30,5);
int choice=DrawRect ; int fQuit=false;
while(!fQuit) { choice=DoMenu() ; if (choice<DrawRec t || choice>Quit) { cout << "\nAuswahl ungueltig. Bitte neu versuchen.\n\n" ; continue; } switch(choice) { case DrawRect: DoDrawRect(theR ect); break; case GetArea: DoGetArea(theRe ct); break; case GetPerim: DoGetPerim(theR ect); break; case ChangeDimension s: int newWidth, newHeight; cout << "\nBitte geben Sie die Breite an: "; cin << newWidth;
This should probably be
cin >> newWidth;
cout << "\nBitte geben Sie die Hoehe an: "; cin << newHeight;
And this
cin >> newHight;
theRect.SetSize (newWidth, newHeight); DoDrawRect(theR ect); break; case Quit: fQuit=true; cout << "\nVerlassen.\n "; break; default: cout << "\nFehler beim Auswaehlen!\n"; fQuit=true; break; }
You need another curly brace here, to close the "while" body:
}
return 0; }
int DoMenu() { int choice; cout << "\n\n**** Menue ****\n"; cout << "(1) Rechteck zeichnen\n"; cout << "(2) Flaeche\n"; cout << "(3) Umfang\n"; cout << "(4) Groesse veraendern\n"; cout << "(5) Beenden\n";
cin >> choice; return choice; }
void DoDrawRect(Rect angle theRect) { int height=theRect. GetHeight(); int width=theRect.G etWidth(); for(int i=0; i<height; i++) { for(int j=0; j<width; j++) cout << "x"; cout << endl; } }
void DoGetArea(Recta ngle theRect) { int area=theRect.Ge tArea(); cout << "Flaeche: " << area << endl; }
void DoGetPerim(Rect angle theRect) { int perim=theRect.G etPerim(); cout << "Umfang: " << perim << endl; }
id really appreciate any help, bye, Claus
first of all i wanna thank you for qour help.
so you mean that you didnt get any error message in the following line?
void DoDrawRect(Rect angle);???
which compilers did you try it on?
im using dev-c++ 4.9.8.0
the error message i get is the following:
C:/Documents and Settings/Albert/My Documents/C++/week1.cpp:38: variable or
field `DoDrawRect' declared void
C:/Documents and Settings/Albert/My Documents/C++/week1.cpp:38: invalid
conversion from `BOOL (*)(HDC__*, int, int, int, int)' to `int'
i changed the other mistakes (pretty dumb ones *g*)
but i still get that error!!
"Victor Bazarov" <v.********@com Acast.net> wrote in message
news:76EGb.1349 52$8y1.414093@a ttbi_s52... "Claus Nietzsche" <cl*****@hotmai l.com> wrote... hey people, i wrote this program, but i have troubles compiling it. my compiler keeps giving me error messages in this one line, and i cant figure out why.
WHAT error?
its in the line: void DoDrawRect(Rect angle);
#include <iostream> using namespace std;
enum choice { DrawRect = 1, GetArea, GetPerim, ChangeDimension s, Quit};
class Rectangle { public: Rectangle(int width, int height); ~Rectangle();
int GetWidth() {return itsWidth;} int GetHeight() {return itsHeight;} int GetArea() {return (itsWidth*itsHe ight);} int GetPerim() {return (2*itsWidth+2*i tsHeight);} void SetSize(int width, int height);
private: int itsWidth; int itsHeight; };
Rectangle::Rect angle(int width, int height) { itsWidth=width; itsHeight=heigh t; }
Rectangle::~Rec tangle() {}
void Rectangle::SetS ize(int width, int height) { itsWidth=width; itsHeight=heigh t; }
int DoMenu(); void DoDrawRect(Rect angle); // <<--HERES THE PROBLEM!!!!!!!! !!!!!!!! void DoGetArea(Recta ngle); void DoGetPerim(Rect angle);
int main() { Rectangle theRect(30,5);
int choice=DrawRect ; int fQuit=false;
while(!fQuit) { choice=DoMenu() ; if (choice<DrawRec t || choice>Quit) { cout << "\nAuswahl ungueltig. Bitte neu versuchen.\n\n" ; continue; } switch(choice) { case DrawRect: DoDrawRect(theR ect); break; case GetArea: DoGetArea(theRe ct); break; case GetPerim: DoGetPerim(theR ect); break; case ChangeDimension s: int newWidth, newHeight; cout << "\nBitte geben Sie die Breite an: "; cin << newWidth;
This should probably be
cin >> newWidth;
cout << "\nBitte geben Sie die Hoehe an: "; cin << newHeight;
And this cin >> newHight;
theRect.SetSize (newWidth, newHeight); DoDrawRect(theR ect); break; case Quit: fQuit=true; cout << "\nVerlassen.\n "; break; default: cout << "\nFehler beim Auswaehlen!\n"; fQuit=true; break; }
You need another curly brace here, to close the "while" body:
}
return 0; }
int DoMenu() { int choice; cout << "\n\n**** Menue ****\n"; cout << "(1) Rechteck zeichnen\n"; cout << "(2) Flaeche\n"; cout << "(3) Umfang\n"; cout << "(4) Groesse veraendern\n"; cout << "(5) Beenden\n";
cin >> choice; return choice; }
void DoDrawRect(Rect angle theRect) { int height=theRect. GetHeight(); int width=theRect.G etWidth(); for(int i=0; i<height; i++) { for(int j=0; j<width; j++) cout << "x"; cout << endl; } }
void DoGetArea(Recta ngle theRect) { int area=theRect.Ge tArea(); cout << "Flaeche: " << area << endl; }
void DoGetPerim(Rect angle theRect) { int perim=theRect.G etPerim(); cout << "Umfang: " << perim << endl; }
id really appreciate any help, bye, Claus
Claus Nietzsche wrote in news:bs******** ****@news.t-online.com: first of all i wanna thank you for qour help.
so you mean that you didnt get any error message in the following line? void DoDrawRect(Rect angle);???
That is correct. which compilers did you try it on? im using dev-c++ 4.9.8.0
That isn't a compiler its an IDE, it probably uses gcc as its compiler.
Read your Dev-c++ docs/help to find out what compiler its using.
One of the compiler's I tried was gcc 3.2.3.
Rob.
-- http://www.victim-prime.dsl.pipex.com/
"Claus Nietzsche" <cl*****@hotmai l.com> wrote... first of all i wanna thank you for qour help.
so you mean that you didnt get any error message in the following line? void DoDrawRect(Rect angle);???
No, we apparently didn't.
which compilers did you try it on?
Comeau online test-drive.
im using dev-c++ 4.9.8.0
Shouldn't be of any difference.
I have a suspicion, however. If your compiler includes <windows.h>
somewhere behind the scenes, unbeknownst to you, you may get some
kind of definition interference from MS Windows types.
Victor
so,
do u have any kind of advice for me?
"Victor Bazarov" <v.********@com Acast.net> wrote in message
news:kmEGb.4783 59$275.1377191@ attbi_s53... "Claus Nietzsche" <cl*****@hotmai l.com> wrote... first of all i wanna thank you for qour help.
so you mean that you didnt get any error message in the following line? void DoDrawRect(Rect angle);???
No, we apparently didn't.
which compilers did you try it on?
Comeau online test-drive.
im using dev-c++ 4.9.8.0
Shouldn't be of any difference.
I have a suspicion, however. If your compiler includes <windows.h> somewhere behind the scenes, unbeknownst to you, you may get some kind of definition interference from MS Windows types.
Victor
"Claus Nietzsche" <cl*****@hotmai l.com> wrote... so, do u have any kind of advice for me?
If you look for advice of _any_ kind, here it is: change the compiler.
"Victor Bazarov" <v.********@com Acast.net> wrote in message news:kmEGb.4783 59$275.1377191@ attbi_s53... "Claus Nietzsche" <cl*****@hotmai l.com> wrote... first of all i wanna thank you for qour help.
so you mean that you didnt get any error message in the following
line? void DoDrawRect(Rect angle);???
No, we apparently didn't.
which compilers did you try it on?
Comeau online test-drive.
im using dev-c++ 4.9.8.0
Shouldn't be of any difference.
I have a suspicion, however. If your compiler includes <windows.h> somewhere behind the scenes, unbeknownst to you, you may get some kind of definition interference from MS Windows types.
Victor
allright,
thx for all your help,
i really appreciate it.
i will try to use gnu 3.3.2 now
"Victor Bazarov" <v.********@com Acast.net> wrote in message
news:wTEGb.6595 97$Fm2.578933@a ttbi_s04... "Claus Nietzsche" <cl*****@hotmai l.com> wrote... so, do u have any kind of advice for me?
If you look for advice of _any_ kind, here it is: change the compiler.
"Victor Bazarov" <v.********@com Acast.net> wrote in message news:kmEGb.4783 59$275.1377191@ attbi_s53... "Claus Nietzsche" <cl*****@hotmai l.com> wrote... > first of all i wanna thank you for qour help. > > so you mean that you didnt get any error message in the following line? > void DoDrawRect(Rect angle);???
No, we apparently didn't.
> which compilers did you try it on?
Comeau online test-drive.
> im using dev-c++ 4.9.8.0
Shouldn't be of any difference.
I have a suspicion, however. If your compiler includes <windows.h> somewhere behind the scenes, unbeknownst to you, you may get some kind of definition interference from MS Windows types.
Victor
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