| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_drawinglayer.hxx" |
| |
| #include <drawinglayer/primitive2d/pagepreviewprimitive2d.hxx> |
| #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> |
| #include <drawinglayer/primitive2d/maskprimitive2d.hxx> |
| #include <basegfx/polygon/b2dpolygontools.hxx> |
| #include <basegfx/polygon/b2dpolygon.hxx> |
| #include <drawinglayer/primitive2d/transformprimitive2d.hxx> |
| #include <basegfx/matrix/b2dhommatrixtools.hxx> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| using namespace com::sun::star; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace drawinglayer |
| { |
| namespace primitive2d |
| { |
| Primitive2DSequence PagePreviewPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const |
| { |
| Primitive2DSequence xRetval; |
| Primitive2DSequence aContent(getPageContent()); |
| |
| if(aContent.hasElements() |
| && basegfx::fTools::more(getContentWidth(), 0.0) |
| && basegfx::fTools::more(getContentHeight(), 0.0)) |
| { |
| // the decomposed matrix will be needed |
| basegfx::B2DVector aScale, aTranslate; |
| double fRotate, fShearX; |
| getTransform().decompose(aScale, aTranslate, fRotate, fShearX); |
| |
| if(basegfx::fTools::more(aScale.getX(), 0.0) && basegfx::fTools::more(aScale.getY(), 0.0)) |
| { |
| // check if content overlaps with tageted size and needs to be embedded with a |
| // clipping primitive |
| const basegfx::B2DRange aRealContentRange(getB2DRangeFromPrimitive2DSequence(aContent, rViewInformation)); |
| const basegfx::B2DRange aAllowedContentRange(0.0, 0.0, getContentWidth(), getContentHeight()); |
| |
| if(!aAllowedContentRange.isInside(aRealContentRange)) |
| { |
| const Primitive2DReference xReferenceA( |
| new MaskPrimitive2D( |
| basegfx::B2DPolyPolygon( |
| basegfx::tools::createPolygonFromRect(aAllowedContentRange)), aContent)); |
| aContent = Primitive2DSequence(&xReferenceA, 1); |
| } |
| |
| // create a mapping from content to object. |
| basegfx::B2DHomMatrix aPageTrans; |
| |
| if(getKeepAspectRatio()) |
| { |
| // #i101075# when keeping the aspect ratio is wanted, it is necessary to calculate |
| // an equidistant scaling in X and Y and a corresponding translation to |
| // center the output. Calculate needed scale factors |
| const double fScaleX(aScale.getX() / getContentWidth()); |
| const double fScaleY(aScale.getY() / getContentHeight()); |
| |
| // to keep the aspect, use the smaller scale and adapt missing size by translation |
| if(fScaleX < fScaleY) |
| { |
| // height needs to be adapted |
| const double fNeededHeight(aScale.getY() / fScaleX); |
| const double fSpaceToAdd(fNeededHeight - getContentHeight()); |
| |
| aPageTrans.translate(0.0, fSpaceToAdd * 0.5); |
| aPageTrans.scale(fScaleX, aScale.getY() / fNeededHeight); |
| } |
| else |
| { |
| // width needs to be adapted |
| const double fNeededWidth(aScale.getX() / fScaleY); |
| const double fSpaceToAdd(fNeededWidth - getContentWidth()); |
| |
| aPageTrans.translate(fSpaceToAdd * 0.5, 0.0); |
| aPageTrans.scale(aScale.getX() / fNeededWidth, fScaleY); |
| } |
| |
| // add the missing object transformation aspects |
| const basegfx::B2DHomMatrix aCombined(basegfx::tools::createShearXRotateTranslateB2DHomMatrix( |
| fShearX, fRotate, aTranslate.getX(), aTranslate.getY())); |
| aPageTrans = aCombined * aPageTrans; |
| } |
| else |
| { |
| // completely scale to PageObject size. Scale to unit size. |
| aPageTrans.scale(1.0/ getContentWidth(), 1.0 / getContentHeight()); |
| |
| // apply object matrix |
| aPageTrans *= getTransform(); |
| } |
| |
| // embed in necessary transformation to map from SdrPage to SdrPageObject |
| const Primitive2DReference xReferenceB(new TransformPrimitive2D(aPageTrans, aContent)); |
| xRetval = Primitive2DSequence(&xReferenceB, 1); |
| } |
| } |
| |
| return xRetval; |
| } |
| |
| PagePreviewPrimitive2D::PagePreviewPrimitive2D( |
| const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XDrawPage >& rxDrawPage, |
| const basegfx::B2DHomMatrix& rTransform, |
| double fContentWidth, |
| double fContentHeight, |
| const Primitive2DSequence& rPageContent, |
| bool bKeepAspectRatio) |
| : BufferedDecompositionPrimitive2D(), |
| mxDrawPage(rxDrawPage), |
| maPageContent(rPageContent), |
| maTransform(rTransform), |
| mfContentWidth(fContentWidth), |
| mfContentHeight(fContentHeight), |
| mbKeepAspectRatio(bKeepAspectRatio) |
| { |
| } |
| |
| bool PagePreviewPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const |
| { |
| if(BasePrimitive2D::operator==(rPrimitive)) |
| { |
| const PagePreviewPrimitive2D& rCompare = static_cast< const PagePreviewPrimitive2D& >(rPrimitive); |
| |
| return (getXDrawPage() == rCompare.getXDrawPage() |
| && getPageContent() == rCompare.getPageContent() |
| && getTransform() == rCompare.getTransform() |
| && getContentWidth() == rCompare.getContentWidth() |
| && getContentHeight() == rCompare.getContentHeight() |
| && getKeepAspectRatio() == rCompare.getKeepAspectRatio()); |
| } |
| |
| return false; |
| } |
| |
| basegfx::B2DRange PagePreviewPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation`*/) const |
| { |
| // nothing is allowed to stick out of a PagePreviewPrimitive, thus we |
| // can quickly deliver our range here |
| basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0); |
| aRetval.transform(getTransform()); |
| return aRetval; |
| } |
| |
| // provide unique ID |
| ImplPrimitrive2DIDBlock(PagePreviewPrimitive2D, PRIMITIVE2D_ID_PAGEPREVIEWPRIMITIVE2D) |
| |
| } // end of namespace primitive2d |
| } // end of namespace drawinglayer |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // eof |
