always use region band in Skia's setClipRegion (tdf#133208)

Do like other VCL backends do.

Change-Id: I64b5d5a2fb131b41c70aa63eaf84022e9aa9fab5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/94702
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/vcl/qa/cppunit/BackendTest.cxx b/vcl/qa/cppunit/BackendTest.cxx
index 7fa586b7049a..b34dda5262ec 100644
--- a/vcl/qa/cppunit/BackendTest.cxx
+++ b/vcl/qa/cppunit/BackendTest.cxx
@@ -455,6 +455,46 @@ public:
             CPPUNIT_ASSERT(eResult != vcl::test::TestResult::Failed);
     }
 
+    void testClipRectangle()
+    {
+        vcl::test::OutputDeviceTestClip aOutDevTest;
+        Bitmap aBitmap = aOutDevTest.setupClipRectangle();
+        auto eResult = vcl::test::OutputDeviceTestClip::checkClip(aBitmap);
+        exportImage("09-01_clip_rectangle_test.png", aBitmap);
+        if (SHOULD_ASSERT)
+            CPPUNIT_ASSERT(eResult != vcl::test::TestResult::Failed);
+    }
+
+    void testClipPolygon()
+    {
+        vcl::test::OutputDeviceTestClip aOutDevTest;
+        Bitmap aBitmap = aOutDevTest.setupClipPolygon();
+        auto eResult = vcl::test::OutputDeviceTestClip::checkClip(aBitmap);
+        exportImage("09-02_clip_polygon_test.png", aBitmap);
+        if (SHOULD_ASSERT)
+            CPPUNIT_ASSERT(eResult != vcl::test::TestResult::Failed);
+    }
+
+    void testClipPolyPolygon()
+    {
+        vcl::test::OutputDeviceTestClip aOutDevTest;
+        Bitmap aBitmap = aOutDevTest.setupClipPolyPolygon();
+        auto eResult = vcl::test::OutputDeviceTestClip::checkClip(aBitmap);
+        exportImage("09-03_clip_polypolygon_test.png", aBitmap);
+        if (SHOULD_ASSERT)
+            CPPUNIT_ASSERT(eResult != vcl::test::TestResult::Failed);
+    }
+
+    void testClipB2DPolyPolygon()
+    {
+        vcl::test::OutputDeviceTestClip aOutDevTest;
+        Bitmap aBitmap = aOutDevTest.setupClipB2DPolyPolygon();
+        auto eResult = vcl::test::OutputDeviceTestClip::checkClip(aBitmap);
+        exportImage("09-04_clip_b2dpolypolygon_test.png", aBitmap);
+        if (SHOULD_ASSERT)
+            CPPUNIT_ASSERT(eResult != vcl::test::TestResult::Failed);
+    }
+
     void testTdf124848()
     {
         ScopedVclPtr<VirtualDevice> device = VclPtr<VirtualDevice>::Create(DeviceFormat::DEFAULT);
@@ -530,6 +570,11 @@ public:
     CPPUNIT_TEST(testDrawBlend);
     CPPUNIT_TEST(testDrawXor);
 
+    CPPUNIT_TEST(testClipRectangle);
+    CPPUNIT_TEST(testClipPolygon);
+    CPPUNIT_TEST(testClipPolyPolygon);
+    CPPUNIT_TEST(testClipB2DPolyPolygon);
+
     CPPUNIT_TEST(testTdf124848);
 
     CPPUNIT_TEST_SUITE_END();