technohippy https://blog.hatena.ne.jp/technohippy/ ずっと君のターン https://technohippy.hatenadiary.org/ iPhone ObjC UIColor* black1 = [UIColor blackColor]; const CGFloat* cs1 = CGColorGetComponents(black1.CGColor); NSLog(@"[1] R:%.1f G:%.1f B:%.1f A:%.1f", cs1[0], cs1[1], cs1[2], cs1[3]); UIColor* black2 = [UIColor colorWithRed:0.0 green:0.0 blue:0.0 alpha:1.0]; const CGFloat* cs2 = CGColorGetComponents(black2.CG… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftechnohippy.hatenadiary.org%2Fentry%2F20090307%2F1236439520" title=" [UIColor blackColor]と UIColor#colorWithRed:green:blue:alpha: で作った黒って違うんすね - ずっと君のターン" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2009-03-07 00:25:20 rich https://technohippy.hatenadiary.org/entry/20090307/1236439520 1.0 100%