今日在手机上测试时,发现屏幕480-720之间的点击效果无效,经过跟踪发现原因出在横屏代码上
原始横屏代码:
bool rotateScreen(DWORD dwRotaion)
{
DEVMODE settings;
memset(&settings, 0, sizeof(DEVMODE));
settings.dmSize = sizeof(DEVMODE);
settings.dmFields = DM_DISPLAYORIENTATION;
ChangeDisplaySettingsEx(NULL, &settings, NULL, CDS_TEST, NULL);
DWORD rotation = settings.dmDisplayOrientation;
if (dwRotaion == rotation)
return false;
settings.dmDisplayOrientation = dwRotaion;
////////
return (DISP_CHANGE_SUCCESSFUL == ChangeDisplaySettingsEx(NULL, &settings, NULL, 0, NULL));
}
这样看起来是横屏了,但是坐标区域还没有变换过来,
因此要在上面横线处假死SetWindowsPos(0,0,720,480)这样才可以正常获得屏幕触摸效果。