summaryrefslogtreecommitdiffstats
path: root/drawinglayer/source/tools/emfpregion.cxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drawinglayer/source/tools/emfpregion.cxx134
1 files changed, 134 insertions, 0 deletions
diff --git a/drawinglayer/source/tools/emfpregion.cxx b/drawinglayer/source/tools/emfpregion.cxx
new file mode 100644
index 000000000..9fcced337
--- /dev/null
+++ b/drawinglayer/source/tools/emfpregion.cxx
@@ -0,0 +1,134 @@
+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygon.hxx>
+#include <sal/log.hxx>
+#include "emfpregion.hxx"
+#include "emfppath.hxx"
+
+namespace emfplushelper
+{
+ EMFPRegion::EMFPRegion()
+ {
+ }
+
+ EMFPRegion::~EMFPRegion()
+ {
+ }
+
+ ::basegfx::B2DPolyPolygon EMFPRegion::ReadRegionNode(SvStream& s, EmfPlusHelperData& rR)
+ {
+ // Regions are specified as a binary tree of region nodes, and each node must either be a terminal node
+ // (RegionNodeDataTypeRect, RegionNodeDataTypePath, RegionNodeDataTypeEmpty, RegionNodeDataTypeInfinite)
+ // or specify one or two child nodes
+ // (RegionNodeDataTypeAnd, RegionNodeDataTypeOr, RegionNodeDataTypeXor,
+ // RegionNodeDataTypeExclude, RegionNodeDataTypeComplement).
+ sal_uInt32 dataType;
+ ::basegfx::B2DPolyPolygon polygon;
+ s.ReadUInt32(dataType);
+ SAL_INFO("drawinglayer.emf", "EMF+\t Region node data type 0x" << std::hex << dataType << std::dec);
+
+ switch (dataType)
+ {
+ case RegionNodeDataTypeAnd: // CombineModeIntersect
+ case RegionNodeDataTypeOr: // CombineModeUnion
+ case RegionNodeDataTypeXor: // CombineModeXOR
+ case RegionNodeDataTypeExclude: // CombineModeExclude
+ case RegionNodeDataTypeComplement: // CombineModeComplement
+ {
+ ::basegfx::B2DPolyPolygon leftPolygon = ReadRegionNode(s, rR);
+ ::basegfx::B2DPolyPolygon rightPolygon = ReadRegionNode(s, rR);
+ polygon = EmfPlusHelperData::combineClip(leftPolygon, dataType, rightPolygon);
+ break;
+ }
+ case RegionNodeDataTypeRect:
+ {
+ float dx, dy, dw, dh;
+ s.ReadFloat(dx).ReadFloat(dy).ReadFloat(dw).ReadFloat(dh);
+ SAL_INFO("drawinglayer.emf", "EMF+\t\t RegionNodeDataTypeRect x:" << dx << ", y:" << dy <<
+ ", width:" << dw << ", height:" << dh);
+
+ const ::basegfx::B2DPoint mappedStartPoint(rR.Map(dx, dy));
+ const ::basegfx::B2DPoint mappedEndPoint(rR.Map(dx + dw, dy + dh));
+ polygon = ::basegfx::B2DPolyPolygon(
+ ::basegfx::utils::createPolygonFromRect(
+ ::basegfx::B2DRectangle(
+ mappedStartPoint.getX(),
+ mappedStartPoint.getY(),
+ mappedEndPoint.getX(),
+ mappedEndPoint.getY())));
+ break;
+ }
+ case RegionNodeDataTypePath:
+ {
+ sal_Int32 pathLength;
+ s.ReadInt32(pathLength);
+ SAL_INFO("drawinglayer.emf", "EMF+\t\t RegionNodeDataTypePath, Path Length: " << pathLength << " bytes");
+
+ sal_uInt32 header, pathFlags;
+ sal_Int32 points;
+
+ s.ReadUInt32(header).ReadInt32(points).ReadUInt32(pathFlags);
+ SAL_INFO("drawinglayer.emf", "EMF+\t\t header: 0x" << std::hex << header <<
+ " points: " << std::dec << points << " additional flags: 0x" << std::hex << pathFlags << std::dec);
+
+ EMFPPath path(points);
+ path.Read(s, pathFlags);
+ polygon = path.GetPolygon(rR);
+ break;
+ }
+ case RegionNodeDataTypeEmpty:
+ {
+ SAL_INFO("drawinglayer.emf", "EMF+\t\t RegionNodeDataTypeEmpty");
+ SAL_WARN("drawinglayer.emf", "EMF+\t\t TODO we need to set empty polygon here");
+ polygon = ::basegfx::B2DPolyPolygon();
+
+ break;
+ }
+ case RegionNodeDataTypeInfinite:
+ {
+ SAL_INFO("drawinglayer.emf", "EMF+\t\t RegionNodeDataTypeInfinite");
+ polygon = ::basegfx::B2DPolyPolygon();
+ break;
+ }
+ default:
+ {
+ SAL_WARN("drawinglayer.emf", "EMF+\t\t Unhandled region type: 0x" << std::hex << dataType << std::dec);
+ polygon = ::basegfx::B2DPolyPolygon();
+ }
+ }
+ return polygon;
+ }
+
+ void EMFPRegion::ReadRegion(SvStream& s, EmfPlusHelperData& rR)
+ {
+ sal_uInt32 header, count;
+ s.ReadUInt32(header).ReadUInt32(count);
+ // An array should be RegionNodeCount+1 of EmfPlusRegionNode objects.
+ SAL_INFO("drawinglayer.emf", "EMF+\t version: 0x" << std::hex << header << std::dec << ", region node count: " << count);
+
+ regionPolyPolygon = ReadRegionNode(s, rR);
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */