Questions tagged [vertical-resizing]
The vertical-resizing tag has no usage guidance.
20 questions
0
votes
1
answer
25
views
Resize Less - failing to resize small.bmp
Hi guys I've scratched my head about this for a week now and I'm struggling to see what the issue is. The smiley.bmp file seems to be resizing correctly but not the others. Can anyone offer some ...
- 19
1
vote
0
answers
27
views
What's wrong with saving the scanline array elements in my code for resize (less), Pset3 problem?
I've solved the problem by recopy method successfully and thanks to many helpful answers to others' questions.
Now I'm trying to solve be rewrite method and I think I have a problem with storing ...
- 11
0
votes
1
answer
24
views
PSET4 Invalid File Format when going from n = 1 to n = 2
// Copies a BMP file
#include <stdio.h>
#include <stdlib.h>
#include "bmp.h"
int main(int argc, char *argv[])
{
// ensure proper usage
if (argc != 4)
{
fprintf(stderr, "Please give ...
- 11
0
votes
1
answer
74
views
pset4 resize(less) vertical
My code seems only work for horizontal but not vertical. I have tried different for loops but nothing works. Any suggestions would be extremely helpful. Thank you.
// Copies a BMP file
#include <...
- 27
0
votes
1
answer
155
views
PSET 4 (Resize)-- Vertical Scaling
I'm having trouble with the vertical scaling. I've reviewed my code and it seems like it should scale correctly, but instead I get the following picture.
My pseudocode for vertically scaling goes as ...
- 9
0
votes
1
answer
81
views
CS50 Pset4 Resize - Vertical Sizing
I have no problems with the horizontal resizing but can't identify what is the problem in my code with the vertical resizing. Any help would be much appreciated.
/**
* Copies a BMP piece by piece, ...
- 21
0
votes
1
answer
542
views
pset4 - resize: Scaling vertically?
I have the dimensions of the image right, and I have the horizontal scaling working, but I can't figure out how to get the vertical pixels to scale correctly. I've watched the walkthrough repeatedly, ...
1
vote
1
answer
428
views
Pset4 Resize.c Array Overstepping
I have been stuck on resize for a while. I am currently struggling on the vertical portion of resize. I am using the "rewrite" method as explained in the problem spec. My program does resize an image ...
- 182
0
votes
1
answer
93
views
Pset 4 resize: unable to get it to resize
My headers get updated accurately.
My image of small.bmp gets enlarged but the inside white box does not gets scaled vertically;Need help with debugging this.
Not able to understand the fault in my ...
- 19
0
votes
1
answer
143
views
Problems with vertical resize Pset4
I'm having problems with my vertical re-size in Pset4.
I've got the horizontal re-size working - go me!
But I'm having problems with the vertical re-size.
I'm trying to implement a version of what ...
- 121
0
votes
1
answer
303
views
pset4 resize.c fseek problem
I have a problem with vertical resizing that's been driving me crazy for weeks.
When I run ./resize 4 smiley.bmp x.bmp I get this:
When I debug the program, the variables increase as they should, but ...
0
votes
1
answer
291
views
Not able to get the correct enlarged image in resize
It is able to resize horizontally and vertically but i am not getting the correct enlarged image.
include
include
include "bmp.h"
int main(int argc, char* argv[])
{
// ensure proper usage
...
0
votes
1
answer
181
views
pset4 resize cannot figure out what's wrong
Ok I've been working on this for hours and I'm baffled. The header file all matches the staff implementation having checked it through peek.
But when I run resize 4 on small.bmp I get this:
So that ...
- 9
0
votes
1
answer
129
views
PSET 4 Resize: Printing extra scanlines
So I can manage to print the scanlines just fine widened w/padding... just cant for the life of me figure out how to repeat that line again. If the position indicator stops after the padding is ...
- 23
0
votes
1
answer
206
views
Pset4 - resize : stuck in resizing vertically (Yes, i have read other q&a regarding this topic, but still can't figure out the solution)
I don't understand why my code doesn't work the way i expected it, i believe my mistake is in understanding fseek. please help me with some advice
int scanline = 0;
int horiz = 0;
for(int i = 0, ...
1
vote
2
answers
133
views
Yet again, problem with padding
I am having a problem with my code, and I think it has to do with the use of fseek. I have read a lot of the articles on the cs50 Stack Exchange, and tweaked my code a lot, but my problem still ...
0
votes
1
answer
82
views
Resize only works when n % 4 = 0, when n = 1 or when i resize a 2x2-pixel BMP and n =2
I don't know exactly where is the problem.
Resize gives me a bunch of different colors when n % 4 !=0.
Can you guys help me understand what I'm doing wrong?
// iterate over infile's scanlines
{
//...
- 15
0
votes
2
answers
787
views
resize vertically doesn't work
First of all I know there are a lot of other questions like this but I have looked at all of them. They have helped a lot but I am still stuck. I can't see anything logically wrong with my code, but ...
- 25
0
votes
1
answer
397
views
How does the "re-copy method" work?
So, in Zamyla's walkthrough, she says that for the "Re-Copy" method of vertical resizing, you have to go back to the start of the original row, and then repeat the horizontal resizing.
I don't ...
- 1
0
votes
1
answer
2k
views
How to Resize an Image Vertically?
I'm able to resize a given .bmp horizontally, but the code for vertical resizing is not working. Here is my code for vertical expansion.
// resize vertically
//move pointer to start of scanline of ...
- 15