Article View: pl.comp.lang.java
Article #153819Re: circle midpoint in Java ? + windowing
From: Radoslaw Jocz
Date: Sun, 30 Jun 2013 15:47
Date: Sun, 30 Jun 2013 15:47
12 lines
2178 bytes
2178 bytes
Zrobilem szybkie okienkowanie i zaimplementowalem pod Java SE midpointa, rysowanie punkt po punkcie za pomoca Graphics -> fillRect(int x, int y, int width, int height), i mimo to ze jest punkt po punkcie to dziala szybko. W Androidzie: Canvas -> drawPoint(float x, float y, Paint paint) a pozniej zoptymalizowalem na Canvas -> drawPoints(float[] pts, int offset, int count, Paint paint) uzywajac 100 elementowej tablicy float jako pole klasy (wiec jest zawsze dostepna w pamieci). Na razie nie widze czy jest to szybsze i o ile ale sadze ze powinno byc. Nie wiem dlaczego w Androidzie do wspolrzednych x, y nie uzywaja zmiennych typu integer czy long tylko float ale i tak szybko to dziala. Myslalem ze beda wieksze problemy.
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