All Questions
17 questions
0
votes
1
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265
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Having trouble with PSet4 resize problem
I'm having difficulty with PSet4's resize problem right now. I feel like I've implemented it correctly, but the result is a colour-mish-mash which ends half way through the file.
My solution was to ...
- 105
1
vote
1
answer
104
views
Pset 4 Resize makes a very colorful picture (not green!)--padding problem?
Well, it looks like I'm not the only one having issues with padding (I suspect that's my problem).
Specifically, if I test my version of resize with an enlargement factor of 2 (using small.bmp as ...
- 11
0
votes
1
answer
62
views
Resize Adding Too Much Padding
I'm really struggling with resize on pset4. My loop is adding too much padding, I think by a factor of the scale. I'm still working on the horizontal stretch portion of the program. I'm pretty sure ...
- 13
0
votes
1
answer
59
views
Odd IDE behavior during pset4
I just finished writing the code for the resize problem of pset4. When I run my code in the debugger, everything turns out right, but when I run it simply in the terminal, the computer complains about ...
0
votes
1
answer
79
views
PLEASE HELP!! cs50 pset4 resize.C complies but cannot resize 1x1 correctly. ,AND large.bmp says"invalid image or format"
Here's the code I finally have.
but the issue is the cs50 check says :
:) resize.c and bmp.h exist
:) resize.c compiles
:( doesn't resize 1x1-pixel BMP when n is 1
:( resizes 1x1-pixel BMP to 2x2 ...
- 5
0
votes
2
answers
59
views
can't pass check50
My code works correctly. large creates and correctly. but it simply won't pass check50
/**
* copy.c
*
* Computer Science 50
* Problem Set 4
*
* Copies a BMP piece by piece, just because.
*/
#...
0
votes
1
answer
605
views
pset4 resize: how to copy a row
Just spent 2 days for figuring out how fread(), fwrite() and fseek() works.
I tried to use "Rewrite" method from Zamyla's video for vertycal resizing:
- Remember pixels in array (first written row of ...
0
votes
1
answer
494
views
pset4 malloc() approach. Help with size of buffer
I'm having some trouble with the malloc function.
I want to make a buffer the size of the new row I'm going to write in the resized file, and this is my approach.
I must say that bi.biWidth is ...
0
votes
1
answer
118
views
pset 4, resize.c is not working
Here is the code for resize.c I am stuck for quite some time now and i am not able to figure out where i am wrong. please help.
bi.biHeight = height*n;
bi.biWidth = width*n;
// determine new padding ...
0
votes
1
answer
246
views
Pset4 Resize Error
When I try to run the program, I get the message "file size limit exceeded." After looking over my code many times, I can't figure out what might be going wrong??
/**
* copy.c
*
* Computer Science 50
...
- 31
0
votes
1
answer
145
views
pset4 resize premature end of file encountered
This is extremely frustrating. I've been having header problems for a while, getting various error messages. However, using xxd I can see that when I run resize with n=2, biSizeImage is indeed 120, ...
0
votes
1
answer
434
views
PS4 Resize makes random colors
So, I'm in the midst of PS4 resize, and while I know I'm still figuring out an array of different things, when i currently perform the resize (even if I "resize" it to the same size) it seems to be ...
- 192
0
votes
1
answer
733
views
pset4 - resize.c - Cannot get vertical resizing to work
and thanks for helping me with my problem. I have managed to get horizontal resizing to work within my resizing program, but every time I attempt the next step, I keep failing. Here is the code of the ...
0
votes
1
answer
112
views
Resize not working (writes RGBTRIPLE too many times)
In resize.c, the image created in my resized image is a tiny image with a black blotch in the middle, regardless of whether I use small.bmp or smiley.bmp as input.
When I run xxd, the header in the ...
- 131
0
votes
1
answer
98
views
Why is biSizeImage a random number?
I found this anomaly when running peek, then confirmed with gdb that bi.biSizeImage is getting set to 4294966864 when it should be 432.
- 107
0
votes
1
answer
517
views
resize pset 4 confused on number of things
I think I have the headers correct except for the new bf.Size not to sure on that one. I am having real problems with resizing the bitmap and I can't figure out what it is, any hints or pointers in ...
- 29
1
vote
2
answers
729
views
How to create a BMP image that is compatible with resize?
Using my resize on small.bmp and smiley.bmp then with cs50's peek, I get the exact same values as with the staff's solution for BITMAPFILEHEADER and BITMAPINFOHEADER (I tested with different n values)....
- 23