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难道没有人发现mm和pt的预览窗口搞反了吗

Open yangkangs opened this issue 2 years ago • 1 comments

Environment

  • [x] Autosize Version:
  • [x] Target Android Version:
  • [x] Device Model:
  • [x] Device Resolution:
  • [x] Design Size On AndroidManifest:

Bug Description:

Log:



Screenshot

QQ截图20220819144331 QQ截图20220819144412

Related Code:

  

Others:

yangkangs avatar Aug 19 '22 06:08 yangkangs

public static float applyDimension(int unit, float value,
                                       DisplayMetrics metrics)
    {
        switch (unit) {
        case COMPLEX_UNIT_PX:
            return value;
        case COMPLEX_UNIT_DIP:
            return value * metrics.density;
        case COMPLEX_UNIT_SP:
            return value * metrics.scaledDensity;
        case COMPLEX_UNIT_PT:
            return value * metrics.xdpi * (1.0f/72);
        case COMPLEX_UNIT_IN:
            return value * metrics.xdpi;
        case COMPLEX_UNIT_MM:
            return value * metrics.xdpi * (1.0f/25.4f);
        }
        return 0;
    }

根据上面的官方 API 里面的公式,得出的预览尺寸计算公式,你自己看看,里面对应的 PT 计算公式是不是除以 72, MM 计算公式是不是除以 25.4,我看倒是没什么问题

JessYanCoding avatar Aug 23 '22 07:08 JessYanCoding