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6 questions
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determine padding for scanlines in copy.c
Line 65 in copy.c
int padding = (4 - (bi.biWidth * sizeof(RGBTRIPLE)) % 4) % 4;
Question is why do we need last modulo operator in bold?
Even without it, it gives the right answer.
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1
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1
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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
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1
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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 ...
3
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1
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PSET 4: Why is padding required?
I am currently going through the PSET 4 sheet and have just read up to the part where it is being explained that if the number of bytes in each scan line is not a multiple of 4 then it is padded out. ...
- 131
1
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1
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what is wrong with my resize?
My resize program isn't working. I have narrowed it down to the padding, but cannot find what is incorrect.
It resizes images that don't need padding perfectly (multiples of 4), and the header ...
- 29
1
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0
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pset5: Resize does not consistently work
I am having a problem with resize. I can resize smiley.bmp perfectly at X1, X2, and X10, but not for factors between 2 and 10--I just get an abstract blob of colors. I assume this has something to do ...
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