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+/* -*- 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 <drawinglayer/processor2d/textaspolygonextractor2d.hxx>
+#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
+#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
+#include <drawinglayer/primitive2d/PolyPolygonHairlinePrimitive2D.hxx>
+#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
+#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
+#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
+
+
+namespace drawinglayer::processor2d
+{
+ void TextAsPolygonExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
+ {
+ switch(rCandidate.getPrimitive2DID())
+ {
+ case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
+ {
+ // TextDecoratedPortionPrimitive2D can produce the following primitives
+ // when being decomposed:
+ //
+ // - TextSimplePortionPrimitive2D
+ // - PolygonWavePrimitive2D
+ // - PolygonStrokePrimitive2D
+ // - PolygonStrokePrimitive2D
+ // - PolyPolygonColorPrimitive2D
+ // - PolyPolygonHairlinePrimitive2D
+ // - PolygonHairlinePrimitive2D
+ // - ShadowPrimitive2D
+ // - ModifiedColorPrimitive2D
+ // - TransformPrimitive2D
+ // - TextEffectPrimitive2D
+ // - ModifiedColorPrimitive2D
+ // - TransformPrimitive2D
+ // - GroupPrimitive2D
+
+ // encapsulate with flag and use decomposition
+ mnInText++;
+ process(rCandidate);
+ mnInText--;
+
+ break;
+ }
+ case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
+ {
+ // TextSimplePortionPrimitive2D can produce the following primitives
+ // when being decomposed:
+ //
+ // - PolyPolygonColorPrimitive2D
+ // - TextEffectPrimitive2D
+ // - ModifiedColorPrimitive2D
+ // - TransformPrimitive2D
+ // - GroupPrimitive2D
+
+ // encapsulate with flag and use decomposition
+ mnInText++;
+ process(rCandidate);
+ mnInText--;
+
+ break;
+ }
+
+ // as can be seen from the TextSimplePortionPrimitive2D and the
+ // TextDecoratedPortionPrimitive2D, inside of the mnInText marks
+ // the following primitives can occur containing geometry data
+ // from text decomposition:
+ //
+ // - PolyPolygonColorPrimitive2D
+ // - PolygonHairlinePrimitive2D
+ // - PolyPolygonHairlinePrimitive2D (for convenience)
+ //
+ case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
+ {
+ if(mnInText)
+ {
+ const primitive2d::PolyPolygonColorPrimitive2D& rPoPoCoCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
+ basegfx::B2DPolyPolygon aPolyPolygon(rPoPoCoCandidate.getB2DPolyPolygon());
+
+ if(aPolyPolygon.count())
+ {
+ // transform the PolyPolygon
+ aPolyPolygon.transform(getViewInformation2D().getObjectToViewTransformation());
+
+ // get evtl. corrected color
+ const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoPoCoCandidate.getBColor()));
+
+ // add to result vector
+ maTarget.emplace_back(aPolyPolygon, aColor, true);
+ }
+ }
+
+ break;
+ }
+ case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
+ {
+ if(mnInText)
+ {
+ const primitive2d::PolygonHairlinePrimitive2D& rPoHaCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
+ basegfx::B2DPolygon aPolygon(rPoHaCandidate.getB2DPolygon());
+
+ if(aPolygon.count())
+ {
+ // transform the Polygon
+ aPolygon.transform(getViewInformation2D().getObjectToViewTransformation());
+
+ // get evtl. corrected color
+ const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoHaCandidate.getBColor()));
+
+ // add to result vector
+ maTarget.emplace_back(basegfx::B2DPolyPolygon(aPolygon), aColor, false);
+ }
+ }
+
+ break;
+ }
+ case PRIMITIVE2D_ID_POLYPOLYGONHAIRLINEPRIMITIVE2D :
+ {
+ if(mnInText)
+ {
+ const primitive2d::PolyPolygonHairlinePrimitive2D& rPoPoHaCandidate(static_cast< const primitive2d::PolyPolygonHairlinePrimitive2D& >(rCandidate));
+ basegfx::B2DPolyPolygon aPolyPolygon(rPoPoHaCandidate.getB2DPolyPolygon());
+
+ if(aPolyPolygon.count())
+ {
+ // transform the Polygon
+ aPolyPolygon.transform(getViewInformation2D().getObjectToViewTransformation());
+
+ // get evtl. corrected color
+ const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoPoHaCandidate.getBColor()));
+
+ // add to result vector
+ maTarget.emplace_back(aPolyPolygon, aColor, false);
+ }
+ }
+
+ break;
+ }
+
+ // usage of color modification stack is needed
+ case PRIMITIVE2D_ID_MODIFIEDCOLORPRIMITIVE2D :
+ {
+ const primitive2d::ModifiedColorPrimitive2D& rModifiedColorCandidate(static_cast< const primitive2d::ModifiedColorPrimitive2D& >(rCandidate));
+
+ if(!rModifiedColorCandidate.getChildren().empty())
+ {
+ maBColorModifierStack.push(rModifiedColorCandidate.getColorModifier());
+ process(rModifiedColorCandidate.getChildren());
+ maBColorModifierStack.pop();
+ }
+
+ break;
+ }
+
+ // usage of transformation stack is needed
+ case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
+ {
+ // remember current transformation and ViewInformation
+ const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
+ const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
+
+ // create new transformations for CurrentTransformation and for local ViewInformation2D
+ const geometry::ViewInformation2D aViewInformation2D(
+ getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
+ getViewInformation2D().getViewTransformation(),
+ getViewInformation2D().getViewport(),
+ getViewInformation2D().getVisualizedPage(),
+ getViewInformation2D().getViewTime());
+ updateViewInformation(aViewInformation2D);
+
+ // process content
+ process(rTransformCandidate.getChildren());
+
+ // restore transformations
+ updateViewInformation(aLastViewInformation2D);
+
+ break;
+ }
+
+ // ignorable primitives
+ case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
+ case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
+ case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
+ case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
+ case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
+ case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
+ case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
+ {
+ break;
+ }
+
+ default :
+ {
+ // process recursively
+ process(rCandidate);
+ break;
+ }
+ }
+ }
+
+ TextAsPolygonExtractor2D::TextAsPolygonExtractor2D(const geometry::ViewInformation2D& rViewInformation)
+ : BaseProcessor2D(rViewInformation),
+ maBColorModifierStack(),
+ mnInText(0)
+ {
+ }
+
+ TextAsPolygonExtractor2D::~TextAsPolygonExtractor2D()
+ {
+ }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */