piksel | A simple 2D graphics library for C++ | Graphics library
kandi X-RAY | piksel Summary
kandi X-RAY | piksel Summary
A simple 2D graphics library for C++.
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QUESTION
I writed this code below, and I got bad results, can anyone help me, and tell me what is wrong ? I writed this in Qt. . If Anyone can help me it would be great.
my Matrix is just some random integral 0 or 1
...ANSWER
Answered 2020-Feb-03 at 03:51The main problem with the code is that it writes the result for each pixel into the input image. This result will be used when computing the min value for the next pixel. Thus, the dark patch at the top-left of the image gets propagated across the whole image.
It is important for this type of algorithm to write into a separate output buffer, leaving the input unchanged until the whole image has been processed.
Do note also that the erosion is well defined for gray-value images, but not for color images. You seem to want to apply marginal ordering, which is equivalent to computing the erosion for each channel independently. Be advised that this method will introduce new colors to the image. There are better approaches, but they all have some sort of downside. I wrote a small overview about this some years ago on my blog.
QUESTION
...My code is in javascript,html . Date of setting is not working properly. settings.date is incorrect. i would happy if anyone can help.
ANSWER
Answered 2018-Nov-22 at 05:17I got my answer.I Just need to put this code in HTMl, I am able to set my date.
QUESTION
My problem is that I have written this code inside Game::HandleInput()
method but I cannot make the sf::Mouse::getPosition()
method to get the mouse coordinates relative to window. Without argument, I don't get an error. However, ship doesn't rotate properly. I have tried getPosition(m_window)
and getPosition(&m_window)
. I am getting this error:
ANSWER
Answered 2018-Mar-03 at 14:22First let me give you what I assume is a minimal example reproducing your problem:
QUESTION
I have a program that works on PGM images. I have to remake it so it also works on PPM images. I am now using dynamically allocated table to store the image in memory. The problem is that it works good on PGM images, but PPM are cut in half. Input&output What's going on? These are places which I think are suspicious:
This is how I create the table:
...ANSWER
Answered 2017-Jan-08 at 01:18The malloc
you're doing is the same for PGM (grayscale) and PPM (color image) files. In your results the PPM image is not cut in a half, is cut in 1/3.
First of all, the malloc that you're doing it should be:
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