drawargb专题

Android 画布canvas drawARGB(int a, int r, int g, int b)

void    drawARGB(int a, int r, int g, int b) Fill the entire canvas' bitmap (restricted to the current clip) with the specified ARGB color, using srcover porterduff mode. 也就是用ARGB颜色填充画布的意思。这个方法有三个参数,