gdiplus: Return visible clip bounds in world coordinates.

dlls/gdiplus/graphics.c

@@ -4297,6 +4297,7 @@ GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect
 {
     GpRegion *clip_rgn;
     GpStatus stat;
+    GpMatrix device_to_world;
 
     TRACE("(%p, %p)\n", graphics, rect);
 
@@ -4313,6 +4314,13 @@ GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect
     if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
         goto cleanup;
 
+    /* transform to world coordinates */
+    if((stat = get_graphics_transform(graphics, CoordinateSpaceWorld, CoordinateSpaceDevice, &device_to_world)) != Ok)
+        goto cleanup;
+
+    if((stat = GdipTransformRegion(clip_rgn, &device_to_world)) != Ok)
+        goto cleanup;
+
     /* get bounds of the region */
     stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
 

dlls/gdiplus/tests/graphics.c

@@ -2313,6 +2313,29 @@ static void test_GdipGetVisibleClipBounds_window(void)
         recti.X, recti.Y, recti.Width, recti.Height,
         exp.X, exp.Y, exp.Width, exp.Height);
 
+    /* window bounds with transform applied */
+    status = GdipResetClip(graphics);
+    expect(Ok, status);
+
+    status = GdipScaleWorldTransform(graphics, 0.5, 0.5, MatrixOrderPrepend);
+    expect(Ok, status);
+
+    exp.X = window.X * 2.0;
+    exp.Y = window.Y * 2.0;
+    exp.Width = window.Width * 2.0;
+    exp.Height = window.Height * 2.0;
+
+    status = GdipGetVisibleClipBounds(graphics, &rectf);
+    expect(Ok, status);
+    ok(rectf.X == exp.X &&
+        rectf.Y == exp.Y &&
+        rectf.Width == exp.Width &&
+        rectf.Height == exp.Height,
+        "Expected clip bounds (%0.f, %0.f, %0.f, %0.f) to be "
+        "twice the window size (%0.f, %0.f, %0.f, %0.f)\n",
+        rectf.X, rectf.Y, rectf.Width, rectf.Height,
+        exp.X, exp.Y, exp.Width, exp.Height);
+
     GdipDeleteGraphics(graphics);
     EndPaint(hwnd, &ps);
 }