INT nulldrv_SetMapMode( PHYSDEV dev, INT mode )
{
DC *dc = get_nulldrv_dc( dev );
INT ret = dc->MapMode;
INT horzSize, vertSize, horzRes, vertRes;
if (mode == dc->MapMode && (mode == MM_ISOTROPIC || mode == MM_ANISOTROPIC)) return ret;
horzSize = dc->virtual_size.cx;
vertSize = dc->virtual_size.cy;
horzRes = dc->virtual_res.cx;
vertRes = dc->virtual_res.cy;
switch (mode)
{
case MM_TEXT:
dc->wndExtX = 1;
dc->wndExtY = 1;
dc->vportExtX = 1;
dc->vportExtY = 1;
break;
case MM_LOMETRIC:
case MM_ISOTROPIC:
dc->wndExtX = horzSize * 10;
dc->wndExtY = vertSize * 10;
dc->vportExtX = horzRes;
dc->vportExtY = -vertRes;
break;
case MM_HIMETRIC:
dc->wndExtX = horzSize * 100;
dc->wndExtY = vertSize * 100;
dc->vportExtX = horzRes;
dc->vportExtY = -vertRes;
break;
case MM_LOENGLISH:
dc->wndExtX = MulDiv(1000, horzSize, 254);
dc->wndExtY = MulDiv(1000, vertSize, 254);
dc->vportExtX = horzRes;
dc->vportExtY = -vertRes;
break;
case MM_HIENGLISH:
dc->wndExtX = MulDiv(10000, horzSize, 254);
dc->wndExtY = MulDiv(10000, vertSize, 254);
dc->vportExtX = horzRes;
dc->vportExtY = -vertRes;
break;
case MM_TWIPS:
dc->wndExtX = MulDiv(14400, horzSize, 254);
dc->wndExtY = MulDiv(14400, vertSize, 254);
dc->vportExtX = horzRes;
dc->vportExtY = -vertRes;
break;
case MM_ANISOTROPIC:
break;
default:
return 0;
}
/* RTL layout is always MM_ANISOTROPIC */
if (!(dc->layout & LAYOUT_RTL)) dc->MapMode = mode;
DC_UpdateXforms( dc );
return ret;
}
/***********************************************************************
* SetMapMode (GDI32.@)
*/
INT WINAPI SetMapMode( HDC hdc, INT mode )
{
INT prevMode;
INT horzSize, vertSize, horzRes, vertRes;
DC * dc = DC_GetDCPtr( hdc );
if (!dc) return 0;
if (dc->funcs->pSetMapMode)
{
prevMode = dc->funcs->pSetMapMode( dc, mode );
goto done;
}
TRACE("%04x %d\n", hdc, mode );
prevMode = dc->MapMode;
horzSize = GetDeviceCaps( hdc, HORZSIZE );
vertSize = GetDeviceCaps( hdc, VERTSIZE );
horzRes = GetDeviceCaps( hdc, HORZRES );
vertRes = GetDeviceCaps( hdc, VERTRES );
switch(mode)
{
case MM_TEXT:
dc->wndExtX = 1;
dc->wndExtY = 1;
dc->vportExtX = 1;
dc->vportExtY = 1;
break;
case MM_LOMETRIC:
case MM_ISOTROPIC:
dc->wndExtX = horzSize;
dc->wndExtY = vertSize;
dc->vportExtX = horzRes / 10;
dc->vportExtY = vertRes / -10;
break;
case MM_HIMETRIC:
dc->wndExtX = horzSize * 10;
dc->wndExtY = vertSize * 10;
dc->vportExtX = horzRes / 10;
dc->vportExtY = vertRes / -10;
break;
case MM_LOENGLISH:
dc->wndExtX = horzSize;
dc->wndExtY = vertSize;
dc->vportExtX = 254L * horzRes / 1000;
dc->vportExtY = -254L * vertRes / 1000;
break;
case MM_HIENGLISH:
dc->wndExtX = horzSize * 10;
dc->wndExtY = vertSize * 10;
dc->vportExtX = 254L * horzRes / 1000;
dc->vportExtY = -254L * vertRes / 1000;
break;
case MM_TWIPS:
dc->wndExtX = 144L * horzSize / 10;
dc->wndExtY = 144L * vertSize / 10;
dc->vportExtX = 254L * horzRes / 1000;
dc->vportExtY = -254L * vertRes / 1000;
break;
case MM_ANISOTROPIC:
break;
default:
goto done;
}
dc->MapMode = mode;
DC_UpdateXforms( dc );
done:
GDI_ReleaseObj( hdc );
return prevMode;
}