summaryrefslogtreecommitdiffstats
path: root/vcl/backendtest/outputdevice/polypolygon_b2d.cxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--vcl/backendtest/outputdevice/polypolygon_b2d.cxx199
1 files changed, 199 insertions, 0 deletions
diff --git a/vcl/backendtest/outputdevice/polypolygon_b2d.cxx b/vcl/backendtest/outputdevice/polypolygon_b2d.cxx
new file mode 100644
index 000000000..59391abe1
--- /dev/null
+++ b/vcl/backendtest/outputdevice/polypolygon_b2d.cxx
@@ -0,0 +1,199 @@
+/* -*- 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/outputdevice.hxx>
+
+namespace vcl::test
+{
+namespace
+{
+basegfx::B2DPolygon createPolygonOffset(tools::Rectangle const& rRect, int nOffset, int nFix = 0)
+{
+ // Note: According to https://lists.freedesktop.org/archives/libreoffice/2019-November/083709.html
+ // filling polygons always skips the right-most and bottom-most pixels, in order to avoid
+ // overlaps when drawing adjacent polygons. Specifying nFix = 1 allows to visually compensate
+ // for this by making the polygon explicitly larger.
+ int nMidOffset = rRect.GetWidth() / 2;
+ basegfx::B2DPolygon aPolygon{
+ basegfx::B2DPoint(rRect.Left() + nOffset - (nOffset + 1) / 2, rRect.Top() + nOffset - 1),
+ basegfx::B2DPoint(rRect.Right() - nMidOffset - nOffset / 3 + nFix,
+ rRect.Top() + nOffset - 1),
+ basegfx::B2DPoint(rRect.Right() - nMidOffset - nOffset / 3 + nFix,
+ rRect.Bottom() - nOffset + 1 + nFix),
+ basegfx::B2DPoint(rRect.Left() + nOffset - (nOffset + 1) / 2,
+ rRect.Bottom() - nOffset + 1 + nFix),
+ };
+ aPolygon.setClosed(true);
+ return aPolygon;
+}
+
+} // end anonymous namespace
+
+Bitmap OutputDeviceTestPolyPolygonB2D::setupRectangle(bool bEnableAA)
+{
+ initialSetup(13, 13, constBackgroundColor, bEnableAA);
+
+ mpVirtualDevice->SetLineColor(constLineColor);
+ mpVirtualDevice->SetFillColor();
+
+ basegfx::B2DPolyPolygon aPolyPolygon;
+ aPolyPolygon.append(createPolygonOffset(maVDRectangle, 2));
+ aPolyPolygon.append(createPolygonOffset(maVDRectangle, 5));
+
+ mpVirtualDevice->DrawPolyPolygon(aPolyPolygon);
+
+ return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyPolygonB2D::setupFilledRectangle(bool useLineColor)
+{
+ initialSetup(13, 13, constBackgroundColor);
+
+ if (useLineColor)
+ mpVirtualDevice->SetLineColor(constLineColor);
+ else
+ mpVirtualDevice->SetLineColor();
+ mpVirtualDevice->SetFillColor(constFillColor);
+
+ basegfx::B2DPolyPolygon aPolyPolygon(
+ createPolygonOffset(maVDRectangle, 2, useLineColor ? 0 : 1));
+
+ mpVirtualDevice->DrawPolyPolygon(aPolyPolygon);
+
+ return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyPolygonB2D::setupIntersectingRectangles()
+{
+ initialSetup(24, 24, constBackgroundColor);
+
+ mpVirtualDevice->SetLineColor(constLineColor);
+ mpVirtualDevice->SetFillColor(constFillColor);
+
+ basegfx::B2DPolyPolygon aPolyPolygon;
+
+ int nOffset = 2, nFix = 1;
+ basegfx::B2DPolygon aPolygon1, aPolygon2, aPolygon3, aPolygon4;
+
+ /*
+ The intersection between different rectangles has been
+ achieved by stacking them on top of each other and decreasing and
+ increasing the top and bottom offset accordingly to the rectangle
+ keeping the left and the right offset intact which in turn coalesced
+ them to each other helping in achieving multiple intersecting rectangles.
+ The desired color fill pattern is then achieved by setting the fill
+ color which in turn would fill the shape with the provided color
+ in accordance to the even-odd filling rule.
+ */
+
+ //Rect - 1
+ aPolygon1.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix,
+ maVDRectangle.Top() + (nOffset - 1) + nFix));
+ aPolygon1.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix,
+ maVDRectangle.Top() + (nOffset - 1) + nFix));
+ aPolygon1.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix,
+ maVDRectangle.Bottom() - (nOffset + 8) + nFix));
+ aPolygon1.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix,
+ maVDRectangle.Bottom() - (nOffset + 8) + nFix));
+ aPolygon1.setClosed(true);
+ aPolyPolygon.append(aPolygon1);
+
+ //Rect - 2
+ aPolygon2.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix,
+ maVDRectangle.Top() + (nOffset + 2) + nFix));
+ aPolygon2.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix,
+ maVDRectangle.Top() + (nOffset + 2) + nFix));
+ aPolygon2.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix,
+ maVDRectangle.Bottom() - (nOffset + 5) + nFix));
+ aPolygon2.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix,
+ maVDRectangle.Bottom() - (nOffset + 5) + nFix));
+ aPolygon2.setClosed(true);
+ aPolyPolygon.append(aPolygon2);
+
+ //Rect - 3
+ aPolygon3.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix,
+ maVDRectangle.Top() + (nOffset + 5) + nFix));
+ aPolygon3.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix,
+ maVDRectangle.Top() + (nOffset + 5) + nFix));
+ aPolygon3.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix,
+ maVDRectangle.Bottom() - (nOffset + 2) + nFix));
+ aPolygon3.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix,
+ maVDRectangle.Bottom() - (nOffset + 2) + nFix));
+ aPolygon3.setClosed(true);
+ aPolyPolygon.append(aPolygon3);
+
+ //Rect - 4
+ aPolygon4.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix,
+ maVDRectangle.Top() + (nOffset + 8) + nFix));
+ aPolygon4.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix,
+ maVDRectangle.Top() + (nOffset + 8) + nFix));
+ aPolygon4.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix,
+ maVDRectangle.Bottom() - nOffset + nFix));
+ aPolygon4.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix,
+ maVDRectangle.Bottom() - nOffset + nFix));
+ aPolygon4.setClosed(true);
+ aPolyPolygon.append(aPolygon4);
+
+ mpVirtualDevice->DrawPolyPolygon(aPolyPolygon);
+
+ return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyPolygonB2D::setupRectangleOnSize1028()
+{
+ initialSetup(1028, 1028, constBackgroundColor);
+
+ mpVirtualDevice->SetLineColor(constLineColor);
+ mpVirtualDevice->SetFillColor();
+
+ basegfx::B2DPolyPolygon aPolyPolygon;
+ aPolyPolygon.append(createPolygonOffset(maVDRectangle, 2));
+ aPolyPolygon.append(createPolygonOffset(maVDRectangle, 5));
+
+ mpVirtualDevice->DrawPolyPolygon(aPolyPolygon);
+
+ return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyPolygonB2D::setupRectangleOnSize4096()
+{
+ initialSetup(4096, 4096, constBackgroundColor);
+
+ mpVirtualDevice->SetLineColor(constLineColor);
+ mpVirtualDevice->SetFillColor();
+
+ basegfx::B2DPolyPolygon aPolyPolygon;
+ aPolyPolygon.append(createPolygonOffset(maVDRectangle, 2));
+ aPolyPolygon.append(createPolygonOffset(maVDRectangle, 5));
+
+ mpVirtualDevice->DrawPolyPolygon(aPolyPolygon);
+
+ return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyPolygonB2D::setupOpenPolygon()
+{
+ initialSetup(21, 21, constBackgroundColor);
+
+ mpVirtualDevice->SetLineColor(constLineColor);
+ mpVirtualDevice->SetFillColor();
+
+ basegfx::B2DPolyPolygon aPolyPolygon;
+ aPolyPolygon.append(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle));
+ aPolyPolygon.append(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle, 7));
+
+ mpVirtualDevice->DrawPolyPolygon(aPolyPolygon);
+
+ return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 05:28:37 +0000