gdiplus: When there is no target rectangle specified DrawImage should scale image to device dpi.

dlls/gdiplus/graphics.c

@@ -2974,7 +2974,9 @@ GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
     TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
 
     scale_x = units_scale(srcUnit, graphics->unit, graphics->xres);
+    scale_x *= graphics->xres / image->xres;
     scale_y = units_scale(srcUnit, graphics->unit, graphics->yres);
+    scale_y *= graphics->yres / image->yres;
     width = srcwidth * scale_x;
     height = srcheight * scale_y;
 

dlls/gdiplus/tests/image.c

@@ -3642,7 +3642,6 @@ static void test_DrawImage(void)
     expect(Ok, status);
 
     match = memcmp(white_2x2, black_2x2, sizeof(black_2x2)) == 0;
-todo_wine
     ok(match, "data should match\n");
     if (!match)
     {
@@ -3695,7 +3694,6 @@ static void test_GdipDrawImagePointRect(void)
     expect(Ok, status);
 
     match = memcmp(white_2x2, black_2x2, sizeof(black_2x2)) == 0;
-todo_wine
     ok(match, "data should match\n");
     if (!match)
     {