gdiplus: Return width and height of metafiles.

dlls/gdiplus/gdiplus.c

@@ -263,3 +263,26 @@ GpStatus hresult_to_status(HRESULT res)
             return GenericError;
     }
 }
+
+/* converts a given unit to its value in pixels */
+REAL convert_unit(HDC hdc, GpUnit unit)
+{
+    switch(unit)
+    {
+        case UnitInch:
+            return (REAL) GetDeviceCaps(hdc, LOGPIXELSX);
+        case UnitPoint:
+            return ((REAL)GetDeviceCaps(hdc, LOGPIXELSX)) / 72.0;
+        case UnitDocument:
+            return ((REAL)GetDeviceCaps(hdc, LOGPIXELSX)) / 300.0;
+        case UnitMillimeter:
+            return ((REAL)GetDeviceCaps(hdc, LOGPIXELSX)) / 25.4;
+        case UnitWorld:
+            ERR("cannot convert UnitWorld\n");
+            return 0.0;
+        case UnitPixel:
+        case UnitDisplay:
+        default:
+            return 1.0;
+    }
+}

dlls/gdiplus/gdiplus_private.h

@@ -42,6 +42,7 @@ extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
     REAL startAngle, REAL sweepAngle);
 extern REAL gdiplus_atan2(REAL dy, REAL dx);
 extern GpStatus hresult_to_status(HRESULT res);
+extern REAL convert_unit(HDC hdc, GpUnit unit);
 
 static inline INT roundr(REAL x)
 {

dlls/gdiplus/graphics.c

@@ -82,28 +82,6 @@ static BYTE convert_path_point_type(BYTE type)
     return ret;
 }
 
-static REAL convert_unit(HDC hdc, GpUnit unit)
-{
-    switch(unit)
-    {
-        case UnitInch:
-            return (REAL) GetDeviceCaps(hdc, LOGPIXELSX);
-        case UnitPoint:
-            return ((REAL)GetDeviceCaps(hdc, LOGPIXELSX)) / 72.0;
-        case UnitDocument:
-            return ((REAL)GetDeviceCaps(hdc, LOGPIXELSX)) / 300.0;
-        case UnitMillimeter:
-            return ((REAL)GetDeviceCaps(hdc, LOGPIXELSX)) / 25.4;
-        case UnitWorld:
-            ERR("cannot convert UnitWorld\n");
-            return 0.0;
-        case UnitPixel:
-        case UnitDisplay:
-        default:
-            return 1.0;
-    }
-}
-
 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
 {
     HPEN gdipen;

dlls/gdiplus/image.c

@@ -417,8 +417,12 @@ GpStatus WINGDIPAPI GdipGetImageHeight(GpImage *image, UINT *height)
         return InvalidParameter;
 
     if(image->type == ImageTypeMetafile){
-        FIXME("not implemented for metafiles\n");
-        return NotImplemented;
+        HDC hdc = GetDC(0);
+
+        *height = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
+                        ((GpMetafile*)image)->bounds.Height);
+
+        ReleaseDC(0, hdc);
     }
     else if(image->type == ImageTypeBitmap)
         *height = ((GpBitmap*)image)->height;
@@ -499,8 +503,12 @@ GpStatus WINGDIPAPI GdipGetImageWidth(GpImage *image, UINT *width)
         return InvalidParameter;
 
     if(image->type == ImageTypeMetafile){
-        FIXME("not implemented for metafiles\n");
-        return NotImplemented;
+        HDC hdc = GetDC(0);
+
+        *width = roundr(convert_unit(hdc, ((GpMetafile*)image)->unit) *
+                        ((GpMetafile*)image)->bounds.Width);
+
+        ReleaseDC(0, hdc);
     }
     else if(image->type == ImageTypeBitmap)
         *width = ((GpBitmap*)image)->width;