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Diffstat (limited to 'vcl/qa/cppunit/BackendTest.cxx')
-rw-r--r--vcl/qa/cppunit/BackendTest.cxx96
1 files changed, 96 insertions, 0 deletions
diff --git a/vcl/qa/cppunit/BackendTest.cxx b/vcl/qa/cppunit/BackendTest.cxx
index 7badb40464be..619e377194c9 100644
--- a/vcl/qa/cppunit/BackendTest.cxx
+++ b/vcl/qa/cppunit/BackendTest.cxx
@@ -18,6 +18,7 @@
#include <svdata.hxx>
#include <salinst.hxx>
+#include <salgdi.hxx>
#include <test/outputdevice.hxx>
@@ -1395,6 +1396,100 @@ public:
#endif
}
+ void testTdf145811()
+ {
+// TODO: This unit test is not executed for macOS unless bitmap scaling is implemented
+#ifndef MACOSX
+ // VCL may call copyArea()/copyBits() of backends even with coordinates partially
+ // outside of the device, so try various copying like that.
+ ScopedVclPtr<VirtualDevice> device1 = VclPtr<VirtualDevice>::Create(DeviceFormat::DEFAULT);
+ device1->SetOutputSizePixel(Size(100, 100));
+ device1->SetBackground(Wallpaper(COL_YELLOW));
+ device1->Erase();
+ device1->SetLineColor(COL_BLUE);
+ device1->DrawPixel(Point(0, 0), COL_BLUE);
+ device1->DrawPixel(Point(99, 99), COL_BLUE);
+
+ // Plain 1:1 copy device1->device2.
+ ScopedVclPtr<VirtualDevice> device2 = VclPtr<VirtualDevice>::Create(DeviceFormat::DEFAULT);
+ device2->SetOutputSizePixel(Size(100, 100));
+ device2->DrawOutDev(Point(0, 0), Size(100, 100), Point(0, 0), Size(100, 100), *device1);
+ exportDevice("tdf145811-1.png", device2);
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(0, 0)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(1, 1)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(98, 98)));
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(99, 99)));
+
+ // For the rest call directly SalGraphics, because OutputDevice does range checking,
+ // but other code may call copyArea()/copyBits() of SalGraphics directly without range checking.
+ SalGraphics* graphics1 = device1->GetGraphics();
+ SalGraphics* graphics2 = device2->GetGraphics();
+
+ device2->DrawOutDev(Point(0, 0), Size(100, 100), Point(0, 0), Size(100, 100), *device1);
+ // Copy device1->device2 offset by 10,10.
+ graphics2->CopyBits(SalTwoRect(0, 0, 100, 100, 10, 10, 100, 100), *graphics1, *device2,
+ *device1);
+ exportDevice("tdf145811-2.png", device2);
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(0, 0))); // unmodified
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(9, 9)));
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(10, 10)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(11, 11)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(99, 99)));
+
+ device2->DrawOutDev(Point(0, 0), Size(100, 100), Point(0, 0), Size(100, 100), *device1);
+ // Copy area of device2 offset by 10,10.
+ graphics2->CopyArea(10, 10, 0, 0, 100, 100, *device1);
+ exportDevice("tdf145811-3.png", device2);
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(0, 0))); // unmodified
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(9, 9)));
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(10, 10)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(11, 11)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(99, 99)));
+
+ device2->DrawOutDev(Point(0, 0), Size(100, 100), Point(0, 0), Size(100, 100), *device1);
+ // Copy device1->device2 offset by -20,-20.
+ graphics2->CopyBits(SalTwoRect(0, 0, 100, 100, -20, -20, 100, 100), *graphics1, *device2,
+ *device1);
+ exportDevice("tdf145811-4.png", device2);
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(0, 0)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(78, 78)));
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(79, 79)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(80, 80)));
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(99, 99))); // unmodified
+
+ device2->DrawOutDev(Point(0, 0), Size(100, 100), Point(0, 0), Size(100, 100), *device1);
+ // Copy area of device2 offset by -20,-20.
+ graphics2->CopyArea(-20, -20, 0, 0, 100, 100, *device1);
+ exportDevice("tdf145811-5.png", device2);
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(0, 0)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(78, 78)));
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(79, 79)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(80, 80)));
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(99, 99))); // unmodified
+
+ device2->DrawOutDev(Point(0, 0), Size(100, 100), Point(0, 0), Size(100, 100), *device1);
+ // Copy device1->device2 offset by -10,-10 starting from -20,-20 at 150x150 size
+ // (i.e. outside in all directions).
+ graphics2->CopyBits(SalTwoRect(-20, -20, 150, 150, -30, -30, 150, 150), *graphics1,
+ *device2, *device1);
+ exportDevice("tdf145811-6.png", device2);
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(0, 0)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(88, 88)));
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(89, 89)));
+ // (90,90) and further originate from outside and may be garbage.
+
+ device2->DrawOutDev(Point(0, 0), Size(100, 100), Point(0, 0), Size(100, 100), *device1);
+ // Copy area of device2 offset by -10,-10 starting from -20,-20 at 150x150 size
+ // (i.e. outside in all directions).
+ graphics2->CopyArea(-30, -30, -20, -20, 150, 150, *device1);
+ exportDevice("tdf145811-7.png", device2);
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(0, 0)));
+ CPPUNIT_ASSERT_EQUAL(COL_YELLOW, device2->GetPixel(Point(88, 88)));
+ CPPUNIT_ASSERT_EQUAL(COL_BLUE, device2->GetPixel(Point(89, 89)));
+ // (90,90) and further originate from outside and may be garbage.
+#endif
+ }
+
CPPUNIT_TEST_SUITE(BackendTest);
CPPUNIT_TEST(testDrawRectWithRectangle);
CPPUNIT_TEST(testDrawRectWithPixel);
@@ -1516,6 +1611,7 @@ public:
CPPUNIT_TEST(testTdf124848);
CPPUNIT_TEST(testTdf136171);
+ CPPUNIT_TEST(testTdf145811);
CPPUNIT_TEST_SUITE_END();
};
generated by cgit (git 2.34.1) at 2024-06-02 14:29:53 +0000