gdiplus: Some tests for LinearGradientBrush.

dlls/gdiplus/tests/brush.c

@@ -283,6 +283,67 @@ static void test_texturewrap(void)
     ReleaseDC(0, hdc);
 }
 
+static void test_gradientgetrect(void)
+{
+    GpLineGradient *brush;
+    GpRectF rectf;
+    GpStatus status;
+    GpPointF pt1, pt2;
+
+    pt1.X = pt1.Y = 1.0;
+    pt2.X = pt2.Y = 100.0;
+    status = GdipCreateLineBrush(&pt1, &pt2, 0, 0, WrapModeTile, &brush);
+    expect(Ok, status);
+    memset(&rectf, 0, sizeof(GpRectF));
+    status = GdipGetLineRect(brush, &rectf);
+    expect(Ok, status);
+    expectf(1.0, rectf.X);
+    expectf(1.0, rectf.Y);
+    expectf(99.0, rectf.Width);
+    expectf(99.0, rectf.Height);
+    status = GdipDeleteBrush((GpBrush*)brush);
+    /* vertical gradient */
+    pt1.X = pt1.Y = pt2.X = 0.0;
+    pt2.Y = 10.0;
+    status = GdipCreateLineBrush(&pt1, &pt2, 0, 0, WrapModeTile, &brush);
+    expect(Ok, status);
+    memset(&rectf, 0, sizeof(GpRectF));
+    status = GdipGetLineRect(brush, &rectf);
+    expect(Ok, status);
+    todo_wine expectf(-5.0, rectf.X);
+    expectf(0.0, rectf.Y);
+    todo_wine expectf(10.0, rectf.Width);
+    expectf(10.0, rectf.Height);
+    status = GdipDeleteBrush((GpBrush*)brush);
+    /* horizontal gradient */
+    pt1.X = pt1.Y = pt2.Y = 0.0;
+    pt2.X = 10.0;
+    status = GdipCreateLineBrush(&pt1, &pt2, 0, 0, WrapModeTile, &brush);
+    expect(Ok, status);
+    memset(&rectf, 0, sizeof(GpRectF));
+    status = GdipGetLineRect(brush, &rectf);
+    expect(Ok, status);
+    expectf(0.0, rectf.X);
+    todo_wine expectf(-5.0, rectf.Y);
+    expectf(10.0, rectf.Width);
+    todo_wine expectf(10.0, rectf.Height);
+    status = GdipDeleteBrush((GpBrush*)brush);
+    /* from rect with LinearGradientModeHorizontal */
+    rectf.X = rectf.Y = 10.0;
+    rectf.Width = rectf.Height = 100.0;
+    status = GdipCreateLineBrushFromRect(&rectf, 0, 0, LinearGradientModeHorizontal,
+        WrapModeTile, &brush);
+    expect(Ok, status);
+    memset(&rectf, 0, sizeof(GpRectF));
+    status = GdipGetLineRect(brush, &rectf);
+    expect(Ok, status);
+    expectf(10.0, rectf.X);
+    expectf(10.0, rectf.Y);
+    expectf(100.0, rectf.Width);
+    expectf(100.0, rectf.Height);
+    status = GdipDeleteBrush((GpBrush*)brush);
+}
+
 START_TEST(brush)
 {
     struct GdiplusStartupInput gdiplusStartupInput;
@@ -303,6 +364,7 @@ START_TEST(brush)
     test_getgamma();
     test_transform();
     test_texturewrap();
+    test_gradientgetrect();
 
     GdiplusShutdown(gdiplusToken);
 }