C++ :: Horizontal Scrolling ASCII Image - Hit Enter To Continue Or Esc To End

Sep 3, 2013

I would like the coded ASCII image to scroll horizontally 3 times and then end with the message:

"Hit Enter to continue or Esc to end"

If Enter is pressed, the program should then continue to scroll another 3 times and then display the same message above.

If Esc is hit then the program loop should stop similar to an escape sequence.

Here is my code that partially accomplishes my objective:

Code:
// Professor.cpp : The entry point for the console application.
#include <iostream>
#include <string>
#include <windows.h>
#include <stdlib.h>

[Code] .....

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Visual C++ :: Using 2D Array - Displaying Bitmap Image With Scrolling

Mar 11, 2014

My requirement is,

Read *.bmp image and displaying bitmap image with scrollbar in a MFC dialog application.

I was done using this

I was read the *.bmp image as a pixel data and stored by 2D Array,

Now i want to Display this 2D array as bitmap image with scrollbar separately in the same dialog. How can i display bitmap with scrollbar using 2D array?

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C++ :: Promote User To Enter Y / N In Switch Statement To Continue Or Not

Nov 25, 2013

I need to promote user to enter y/n in switch statement to continue or not for an other conversion after showing results of each conversion.

#include <iostream>
using namespace std;
int main() {
char a;
double n, r1, r2;
cout<<"Please Chose the Temperature Unit to Convert: "<<endl<<endl;

[Code]....

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C/C++ :: Enable User To Upload Image And Convert It Into ASCII Text Using SDL

Apr 29, 2015

Using C . I have been tasked (for a University assignment) to create a program that will enable a user to upload an image and convert that image into ASCII text using SDL on a Linux system. I've managed to open a window, display an image (non-selected) and convert it into grayscale using

case SDLK_g:
for (int y = 0; y < image->h; y++) {
for (int x = 0; x < image->w; x++) {
Uint32 pixel = pixels[y * image->w + x];
Uint8 r = pixel >> 16 & 0xFF;
Uint8 g = pixel >> 8 & 0xFF;
Uint8 b = pixel & 0xFF;
Uint8 v = (0.212671*r)+(0.715160*g)+(0.072169*B)/>;
pixel = (0xFF << 24) | (v << 16) | (v << 8) | v;
pixels[y * image->w + x] = pixel;

I am absolutely clueless as to how I can get the user to upload an image to the program and then begin the image -> ASCII conversion. I've found seem to be written in C++ or C# to make the conversion I should be using the GetPixelColour command?

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C++ :: Code Blocks Horizontal Scroll Bar In Console

Oct 4, 2014

I want to show my output in one line. But my output breaks to next line even before endl is encountered.code blocks horizontal scroll bar in console? is it c++ formatting issue or console issue?

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C++ :: Input A Name Horizontal And Display Output In Vertical Position

Feb 9, 2013

Program that input a name horizontal and display the name in vertical position using looping any kind of looping?

EX.
INPUT:Enter A name:John
OUTPUT:
J
O
H
N

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C++ :: Restrict Screen Scrolling

Oct 14, 2013

I have screen scrolling up and running but it keeps going after the background finishes. how do you fix that?

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Visual C++ :: SDI App - Constraint Mouse To Move Only Horizontal Direction If Shift Key Pressed

Apr 23, 2015

In a SDI app, I constraint the mouse to move only an horizontal direction, if "Shift" key is pressed ... here is the code:

Code:
void CTestMouseView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) {
// TODO: Add your message handler code here and/or call default
if(GetKeyState(VK_SHIFT) < 0) {
CRect rect;
GetWindowRect(&rect);
GetCursorPos(&m_point);

[Code] ....

Nothing complicated, and it works well ... except one thing: when I press the shift key and the mouse is moving by SetCursorPos, is moving pretty slow ... why ? I can not figure out why ! For testing, I attached the test project ...

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C++ :: SFML 2.0 - Text Scrolling On Screen

Sep 19, 2013

I have screen scrolling working but i want to have text scroll with the screen. because at the moment my player moves and the screen scrolls but the text doesn't.

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C++ :: Compress 2 Way Sideways Scrolling Shooter?

Mar 5, 2013

You are programming a sideways scrolling shooter. This used 2D cell based maps that are very long (over 100,000 characters per row long, 24 rows of 40 characters on screen), and the only way you can get them to fit in memory is to compress each row of the map using run length encoding and to decompress each new column of the map on the right of the screen as the background moves from right to left. You maintain a list of pointers into the RLE data for each row of the screen. Columns that are scrolled off the left are discarded. This works very well and the game only just fits in the available memory. Suddenly the game designer decides that the game should also be able to scroll from left to right at any point, and for any duration. Stunned and dismayed, you explain to him that RLE compression only works in one direction, but he’s adamant. Figure out a way of doing what he wants without using much (no more that 1K of) extra memory. Explain the algorithm used for decompressing in both directions. (assume the RLE algorithm used is: a positive byte N followed by a byte B, indicates a run of N copies of B, a negative byte -N followed by N bytes indicates that those bytes should be copied directly. For example, the sequence 2,2,2,2,5,1,2,9,9,9,9,9 would be coded 4,2, -3,5,1,2, 5,9.)

how can I compress the information? My first thought was making a change to the RLE compression but i gave up on that thinking it wasn't possible.

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C++ ::  How To Move A Ball Continuously In 2D Scrolling Game

Dec 29, 2013

The situation is , I have a ball which should move on a flat horizontal surface which i have created in a display of 800 x 400 . Right now!I am able to make it move left or right in direction using key inputs at a fixed speed.

But I want to make it move horizontally at a constant velocity without using keys. Like in copter game.

It should be able to move automatically , towards the right side.

Increment x position by speed variable does the trick but When I used it with keys I used to limit the movement like.

ball.x += ball.speed;
if(ball.x > 750)
ball.x = 750; // because my screen width is 800.

[URL] .... < this video will show what I really want to do with the ball

If you saw the game video in the link i gave, the ball kept moving with constant velocity. But it never went out of bound. What is keeping it from not getting out of display screen. Instead! its moving continuously... but stays almost at the center of screen. How?

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C/C++ :: How To Use Press Any Key To Continue

Mar 28, 2015

I already tried getchar(); but it doesn't worked the program skips this command

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C :: How To Continue Minesweeper Game

Oct 24, 2013

I am just now in my first programming class for learning C language and I am stuck on one of my homework assignments. I am not asking you to write the code for me or anything because I want to learn by doing it myself but all I am asking for is some pointers to where I am messing up. My program is already finished for what she asked for but I am trying to do an extra credit where she wants us to have the user decide how big the gameboard is and how many mines to hide in it. Really I know that I need to use srand() and rand() but I am not sure how to use them to randomly place mines and without placing mines on top of others.

Code:

//Program 3 "Minesweeper" by Casey Samuelson
//10-17-2013
//This program will imitate the game Minesweeper.
//Agorithum

[Code]....

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C++ :: Continue Statement In Nested Loop

Feb 9, 2014

I was wondering how I could use a continue statement that continues in a nested loop. For example if I have

for (int i=0;i<amount;i++) {
for (int j=0;j<I[i];j++) {
for (int k=j+1;k<I[i];k++) {
if (P[i][j]+P[i][k]==C[i]) {
//What should be here?
}
}
}
}

If the condition is met then the most outer loop (in i) should continue to the next iteration.

If i simply fill in continue; in before the comment then it only continues the loop in k so that is not what I want.

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C++ :: Simple Calculator - Press A Key To Continue

Apr 20, 2015

My problem is , i want to make a simple calculator , in the console i want afterall the user to choose what type of operation he want pressing a key like i mentioned in the title the keys would be F1,F2,F3 , i'm not finding in the internet the code to the detection of a press key like what i want.

Code:
#include <iostream>
using namespace std;
int F1 (int x, int y) {
cout << "Enter a number: " << endl;
cin >> x;

[Code] ....

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C :: Y / N Option To Continue - Compiler Does Not Read It As A Loop

Jul 30, 2013

I've been having problems with my loop that asks if the user wishes to continue or not. The required input should either be 'y' or 'Y', or 'n' or 'N'. Anything else should be counted as invalid, and repeat the prompt for input. The first few times I ran my program, the compiler does not read it as a loop. The next few times just won't work properly.

Here is the prompt:
Code:
void question() {
char option;
printf("
Do you want to continue? {Y|N) ");
scanf("%c", &option);

[Code] ......

As it is, it immediately runs the else option, but otherwise runs just fine. I suspect it could be because I have not specified a size for the option variable, but I try doing that, and the prompt relegates everything to the else.

(And also, here's the rest of the code. Basically, it just assigns a value to the letters of the word (a/A = 1, b/B = 2, etc.), adds these values, and determines if a word is prime or not based on the sum.)

Code:
#include <stdio.h>
#include <string.h>
#define size 30
int main() {
char letter, word[size], lower, upper, option;
int i, value, ans = 0, a, choice = 1;

[Code] .....

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C++ :: How To Read / Edit CSV File And Continue From Last Login

May 5, 2014

I am working on a program that will do several mathematical calculation and will store the data into a csv file.The one below is just a prototype version of this.In my program,I will store my csv file as (current-date).csv using time.

With this in mind,I want my program to first check does (current-date).csv already exists.If not,the program runs normally and output all the data into the csv file.

However if (current-date).csv already exists,I want my program to read and edit that particular csv file,by skipping part1 in my code(name,id N etc.) and start with prompting the user for numbers straight-away.

In other words, if (current-date).csv already exists,the user should continue outputting the numbers from where the user last left before last termination instead of outputting the name,date & etc into the csv file again.

Eg: if no=22, continue inputting values from no=23 till terminating the program again and storing the values correctly into the csv file.

#include <iostream>
#include <fstream>
#include <iomanip>
#include <locale>
#include <string>
#include <sstream>
#include <time.h>

using namespace std;
// Program to read date N store it as currentdate.csv

[Code] ....

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C/C++ :: Menu Selection Does Not Continue To Desired Screen

Mar 8, 2014

Basically we have to create a system for loan amortization for vehicle company. The code is still in its development stage and I am having problems with one of the menu selections. all the other menu selections work fine except for menu selection 3. I'm quite stuck on it. When I run the program everything goes well except when I enter 3 at the main menu, it just exits the program instead of going to the screen for the menu selection.

#include<stdio.h>
#include<conio.h>
#include<string.h>
main() {
char un, /*username*/
name, /*customer name*/

[Code] ....

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C/C++ :: While Loop Application If They Continue Iterating Continuously?

Mar 17, 2015

what do I do if the while loop repeat iterating and do not stop running even if it did meet the conditions required?

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Visual C++ :: Does Not Contain Debug Information - Press OK To Continue

Sep 18, 2012

i changed my code from release to debug mode. when i try to debug it shows a dialog box that '... does not contain debug information press ok to continue"..

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C# :: Compare The Image Of A Button To Another Image In Visual Studio

Jul 3, 2014

Im trying to compare the image of a button to another image in Visual Studio like so...

//variables
Image active = Image.FromFile("C:\Users\Ethan\Desktop\StarWars Status\active.png");
Image stunned = Image.FromFile("C:\Users\Ethan\Desktop\StarWars Status\stunned.png");

[Code]...

btnStatusPlr1.Image SHOULD come back as True.Then I realized it might not be the same as setting the buttons image in the properties (Which is what i did to get the original image (the one being compared to))

I do have a feeling ive done something wrong here (Yes im a noob /> )

Variable active, is the same image as the buttons default (Well should be)

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C++ :: Program That Accept Positive Integer - Use Do While To Allow User To Continue Or Not

Aug 10, 2014

So this is the activity (LOOPING) :

Write a program that accepts a positive integer. The program should be the same from the given output. Use do while to allow the user to continue or not.

OUTPUT must be:

n = 5
0
1==0
2==1==0
3==2==1==0
4==3==2==1==0
5==4==3==2==1==0

if n = 6
0
1==0
2==1==0
3==2==1==0
4==3==2==1==0
5==4==3==2==1==0
6==5==4==3==2==1==0

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C++ :: Tell A Program To Continue Executing Next Line Of Code Within Nested IF Statement?

Nov 25, 2013

Is there a way to tell the program to continue reading the next line of code within a nested IF statement?

The reason I want to do this is because the two "else" statements in the following sample (the main and the nested else) will contain the same exact code and I don't want to repeat it twice. I know I can do this by creating a function and calling it from each else statement but I was just wondering if what I'm asking is even possible without using a function.

if(1 < 2) {
// yes 1 is less than 2
if(5 > 10) {
// do something
} else {
// no, 5 in not greater than 10
// here is where I want to tell the program to continue reading the next else statement

[Code] ....

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C++ :: How To Use ASCII Art In C

Feb 26, 2014

How do I print this without generating errors?

Code:

printf(" ||====================================================================||
");
printf(" ||//$///////////////////////////////$||
");
printf(" ||(100)==================| RESERVE BANK OF INDIA|================(100)||
");
printf(" ||$// ~ '------========--------' $//||

[code].....

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C++ :: Convert Hex To ASCII

May 7, 2013

I want to convert Hex:390041 to ascii "90A",

39: 9
00: 0 -->Null
41: A

i am getting only "9" in the bytearray,i know 0 is terminating the array

unsigned int bytes[3];
int j=0,counter=0;
char c[2];

[Code]....

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C++ :: Subtracting ASCII Hex Value In 64 Bit Hex Value

Mar 31, 2015

I have some ascii characters in a char variable.ex - char buf[100]="ab*(z&";

So each of the char in that char array will have some hex value.ex- *'s hex value is '2a'.

And I have a long long int variable in which there is a 64 bit hex value.

ex- long long int k=0x0000888888888888;

Now i want to subtract the char buff's hex value in k. How to accomplish it.

That is 0x0000888888888888
- 0x000061622a287a26
= 0x000027265e600e62 (final result in a buffer or a long variable is okay)

Later i want to reverse the result as 26e006e56272.It should be stored in a variable such that i should be able to access each byte from it(ex- '72'(last 2 hex digits))

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