setDesignWHD function

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

配置设计稿尺寸（单位 dp or pt） w 宽 h 高 density 像素密度

Implementation

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