d2d1: Introduce a function to convert D2D1.0 interpolation modes to D2D1.1.

dlls/d2d1/brush.c

@@ -962,7 +962,7 @@ static void STDMETHODCALLTYPE d2d_bitmap_brush_SetInterpolationMode(ID2D1BitmapB
             return;
     }
 
-    brush->u.bitmap.interpolation_mode = mode;
+    brush->u.bitmap.interpolation_mode = d2d1_1_interp_mode_from_d2d1(mode);
     if (brush->u.bitmap.sampler_state)
     {
         ID3D10SamplerState_Release(brush->u.bitmap.sampler_state);

dlls/d2d1/d2d1_private.h

@@ -634,6 +634,11 @@ static inline void d2d_rect_expand(D2D1_RECT_F *dst, const D2D1_POINT_2F *point)
         dst->bottom = point->y;
 }
 
+static inline D2D1_INTERPOLATION_MODE d2d1_1_interp_mode_from_d2d1(D2D1_BITMAP_INTERPOLATION_MODE mode)
+{
+    return (D2D1_INTERPOLATION_MODE)mode;
+}
+
 static inline const char *debug_d2d_point_2f(const D2D1_POINT_2F *point)
 {
     if (!point)

dlls/d2d1/device.c

@@ -1143,7 +1143,8 @@ static void STDMETHODCALLTYPE d2d_device_context_DrawBitmap(ID2D1DeviceContext *
         return;
     }
 
-    d2d_device_context_draw_bitmap(context, bitmap, dst_rect, opacity, interpolation_mode, src_rect, NULL);
+    d2d_device_context_draw_bitmap(context, bitmap, dst_rect, opacity, d2d1_1_interp_mode_from_d2d1(interpolation_mode),
+            src_rect, NULL);
 }
 
 static void STDMETHODCALLTYPE d2d_device_context_DrawText(ID2D1DeviceContext *iface,