setDesignWHD function

void setDesignWHD(
  1. double? w,
  2. double? h, {
  3. double? density = 3.0,
})

配置设计稿尺寸 屏幕 宽，高，密度。 Configuration design draft size screen width, height, density.

Implementation

void setDesignWHD(double? w, double? h, {double? density = 3.0}) {
  _designW = w ?? _designW;
  _designH = h ?? _designH;
  _designD = density ?? _designD;
}