summaryrefslogtreecommitdiffstats
path: root/drawinglayer/qa/unit/vclpixelprocessor2d.cxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drawinglayer/qa/unit/vclpixelprocessor2d.cxx89
1 files changed, 89 insertions, 0 deletions
diff --git a/drawinglayer/qa/unit/vclpixelprocessor2d.cxx b/drawinglayer/qa/unit/vclpixelprocessor2d.cxx
new file mode 100644
index 000000000..17ef17969
--- /dev/null
+++ b/drawinglayer/qa/unit/vclpixelprocessor2d.cxx
@@ -0,0 +1,89 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#include <test/bootstrapfixture.hxx>
+
+#include <vcl/virdev.hxx>
+#include <vcl/BitmapReadAccess.hxx>
+#include <vcl/graphicfilter.hxx>
+#include <tools/stream.hxx>
+#include <drawinglayer/geometry/viewinformation2d.hxx>
+#include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
+#include <drawinglayer/processor2d/baseprocessor2d.hxx>
+#include <drawinglayer/processor2d/processorfromoutputdevice.hxx>
+
+using namespace drawinglayer;
+
+class VclPixelProcessor2DTest : public test::BootstrapFixture
+{
+ // if enabled - check the result images with:
+ // "xdg-open ./workdir/CppunitTest/drawinglayer_processors.test.core/"
+ static constexpr const bool mbExportBitmap = false;
+
+ void exportDevice(const OUString& filename, const VclPtr<VirtualDevice>& device)
+ {
+ if (mbExportBitmap)
+ {
+ BitmapEx aBitmapEx(device->GetBitmapEx(Point(0, 0), device->GetOutputSizePixel()));
+ SvFileStream aStream(filename, StreamMode::WRITE | StreamMode::TRUNC);
+ GraphicFilter::GetGraphicFilter().compressAsPNG(aBitmapEx, aStream);
+ }
+ }
+
+public:
+ VclPixelProcessor2DTest()
+ : BootstrapFixture(true, false)
+ {
+ }
+
+ // Test that drawing only a part of a gradient draws the proper part of it.
+ void testTdf139000()
+ {
+ ScopedVclPtr<VirtualDevice> device = VclPtr<VirtualDevice>::Create(DeviceFormat::DEFAULT);
+ device->SetOutputSizePixel(Size(100, 200));
+ device->SetBackground(Wallpaper(COL_RED));
+ device->Erase();
+
+ drawinglayer::geometry::ViewInformation2D view;
+ std::unique_ptr<processor2d::BaseProcessor2D> processor(
+ processor2d::createBaseProcessor2DFromOutputDevice(*device, view));
+ CPPUNIT_ASSERT(processor);
+
+ basegfx::B2DRange definitionRange(0, 0, 100, 200);
+ basegfx::B2DRange outputRange(0, 100, 100, 200); // Paint only lower half of the gradient.
+ attribute::FillGradientAttribute attributes(attribute::GradientStyle::Linear, 0, 0, 0, 0,
+ COL_WHITE.getBColor(), COL_BLACK.getBColor());
+ rtl::Reference<primitive2d::FillGradientPrimitive2D> gradientPrimitive(
+ new primitive2d::FillGradientPrimitive2D(outputRange, definitionRange, attributes));
+ primitive2d::Primitive2DContainer primitives;
+ primitives.push_back(primitive2d::Primitive2DReference(gradientPrimitive));
+ processor->process(primitives);
+
+ exportDevice("test-tdf139000.png", device);
+ Bitmap bitmap = device->GetBitmap(Point(), device->GetOutputSizePixel());
+ Bitmap::ScopedReadAccess access(bitmap);
+ // The upper half should keep its red background color.
+ CPPUNIT_ASSERT_EQUAL(BitmapColor(COL_RED), access->GetColor(Point(0, 99)));
+ // First line of the gradient should not be the start color, but something halfway.
+ CPPUNIT_ASSERT_LESS(static_cast<sal_uInt16>(16),
+ access->GetColor(Point(0, 100)).GetColorError(COL_GRAY));
+ // Last line of the gradient should be the end color, or close.
+ CPPUNIT_ASSERT_LESS(static_cast<sal_uInt16>(16),
+ access->GetColor(Point(0, 199)).GetColorError(COL_BLACK));
+ }
+
+ CPPUNIT_TEST_SUITE(VclPixelProcessor2DTest);
+ CPPUNIT_TEST(testTdf139000);
+ CPPUNIT_TEST_SUITE_END();
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION(VclPixelProcessor2DTest);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */