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Diffstat (limited to 'slideshow/source/engine/tools.cxx')
| -rw-r--r-- | slideshow/source/engine/tools.cxx | 781 |
1 files changed, 781 insertions, 0 deletions
diff --git a/slideshow/source/engine/tools.cxx b/slideshow/source/engine/tools.cxx new file mode 100644 index 0000000000..13cf471a98 --- /dev/null +++ b/slideshow/source/engine/tools.cxx @@ -0,0 +1,781 @@ +/* -*- 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 <comphelper/diagnose_ex.hxx> +#include <canvas/canvastools.hxx> + +#include <math.h> + +#include <com/sun/star/beans/NamedValue.hpp> +#include <com/sun/star/awt/Rectangle.hpp> +#include <com/sun/star/animations/ValuePair.hpp> +#include <com/sun/star/drawing/FillStyle.hpp> +#include <com/sun/star/drawing/LineStyle.hpp> +#include <com/sun/star/awt/FontSlant.hpp> + +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/range/b2drange.hxx> +#include <basegfx/vector/b2dvector.hxx> +#include <basegfx/vector/b2ivector.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/numeric/ftools.hxx> +#include <basegfx/utils/lerp.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> + +#include <cppcanvas/basegfxfactory.hxx> + +#include <svtools/colorcfg.hxx> + +#include <unoview.hxx> +#include <slideshowexceptions.hxx> +#include <smilfunctionparser.hxx> +#include <tools.hxx> + +#include <limits> + + +using namespace ::com::sun::star; + +namespace slideshow::internal +{ + namespace + { + class NamedValueComparator + { + public: + explicit NamedValueComparator( const beans::NamedValue& rKey ) : + mrKey( rKey ) + { + } + + bool operator()( const beans::NamedValue& rValue ) const + { + return rValue.Name == mrKey.Name && rValue.Value == mrKey.Value; + } + + private: + const beans::NamedValue& mrKey; + }; + + ::basegfx::B2DHomMatrix getAttributedShapeTransformation( const ::basegfx::B2DRectangle& rShapeBounds, + const ShapeAttributeLayerSharedPtr& pAttr ) + { + ::basegfx::B2DHomMatrix aTransform; + const basegfx::B2DSize rSize(rShapeBounds.getRange().getX(), rShapeBounds.getRange().getY()); + + const double nShearX( pAttr->isShearXAngleValid() ? + pAttr->getShearXAngle() : + 0.0 ); + const double nShearY( pAttr->isShearYAngleValid() ? + pAttr->getShearYAngle() : + 0.0 ); + const double nRotation( pAttr->isRotationAngleValid() ? + basegfx::deg2rad(pAttr->getRotationAngle()) : + 0.0 ); + + // scale, shear and rotation pivot point is the shape + // center - adapt origin accordingly + aTransform.translate( -0.5, -0.5 ); + + // ensure valid size (zero size will inevitably lead + // to a singular transformation matrix) + aTransform.scale( ::basegfx::pruneScaleValue( + rSize.getWidth() ), + ::basegfx::pruneScaleValue( + rSize.getHeight() ) ); + + const bool bNeedShearX( !::basegfx::fTools::equalZero(nShearX) ); + const bool bNeedShearY( !::basegfx::fTools::equalZero(nShearY) ); + const bool bNeedRotation( !::basegfx::fTools::equalZero(nRotation) ); + + if( bNeedRotation || bNeedShearX || bNeedShearY ) + { + if( bNeedShearX ) + aTransform.shearX( nShearX ); + + if( bNeedShearY ) + aTransform.shearY( nShearY ); + + if( bNeedRotation ) + aTransform.rotate( nRotation ); + } + + // move left, top corner back to position of the + // shape. Since we've already translated the + // center of the shape to the origin (the + // translate( -0.5, -0.5 ) above), translate to + // center of final shape position here. + aTransform.translate( rShapeBounds.getCenterX(), + rShapeBounds.getCenterY() ); + + return aTransform; + } + } + + // Value extraction from Any + // ========================= + + /// extract unary double value from Any + bool extractValue( double& o_rValue, + const uno::Any& rSourceAny, + const ShapeSharedPtr& rShape, + const ::basegfx::B2DVector& rSlideBounds ) + { + // try to extract numeric value (double, or smaller POD, like float or int) + if( rSourceAny >>= o_rValue) + { + // succeeded + return true; + } + + // try to extract string + OUString aString; + if( !(rSourceAny >>= aString) ) + return false; // nothing left to try + + // parse the string into an ExpressionNode + try + { + // Parse string into ExpressionNode, eval node at time 0.0 + o_rValue = (*SmilFunctionParser::parseSmilValue( + aString, + calcRelativeShapeBounds(rSlideBounds, + rShape->getBounds()) ))(0.0); + } + catch( ParseError& ) + { + return false; + } + + return true; + } + + /// extract enum/constant group value from Any + bool extractValue( sal_Int32& o_rValue, + const uno::Any& rSourceAny, + const ShapeSharedPtr& /*rShape*/, + const ::basegfx::B2DVector& /*rSlideBounds*/ ) + { + // try to extract numeric value (int, or smaller POD, like byte) + if( rSourceAny >>= o_rValue) + { + // succeeded + return true; + } + + // okay, no plain int. Maybe one of the domain-specific enums? + drawing::FillStyle eFillStyle; + if( rSourceAny >>= eFillStyle ) + { + o_rValue = sal::static_int_cast<sal_Int16>(eFillStyle); + + // succeeded + return true; + } + + drawing::LineStyle eLineStyle; + if( rSourceAny >>= eLineStyle ) + { + o_rValue = sal::static_int_cast<sal_Int16>(eLineStyle); + + // succeeded + return true; + } + + awt::FontSlant eFontSlant; + if( rSourceAny >>= eFontSlant ) + { + o_rValue = sal::static_int_cast<sal_Int16>(eFontSlant); + + // succeeded + return true; + } + + // nothing left to try. Failure + return false; + } + + /// extract enum/constant group value from Any + bool extractValue( sal_Int16& o_rValue, + const uno::Any& rSourceAny, + const ShapeSharedPtr& rShape, + const ::basegfx::B2DVector& rSlideBounds ) + { + sal_Int32 aValue; + if( !extractValue(aValue,rSourceAny,rShape,rSlideBounds) ) + return false; + + if( std::numeric_limits<sal_Int16>::max() < aValue || + std::numeric_limits<sal_Int16>::min() > aValue ) + { + return false; + } + + o_rValue = static_cast<sal_Int16>(aValue); + + return true; + } + + /// extract color value from Any + bool extractValue( RGBColor& o_rValue, + const uno::Any& rSourceAny, + const ShapeSharedPtr& /*rShape*/, + const ::basegfx::B2DVector& /*rSlideBounds*/ ) + { + // try to extract numeric value (double, or smaller POD, like float or int) + { + double nTmp = 0; + if( rSourceAny >>= nTmp ) + { + sal_uInt32 aIntColor( static_cast< sal_uInt32 >(nTmp) ); + + // TODO(F2): Handle color values correctly, here + o_rValue = unoColor2RGBColor( aIntColor ); + + // succeeded + return true; + } + } + + // try double sequence + { + uno::Sequence< double > aTmp; + if( rSourceAny >>= aTmp ) + { + ENSURE_OR_THROW( aTmp.getLength() == 3, + "extractValue(): inappropriate length for RGB color value" ); + + o_rValue = RGBColor( aTmp[0], aTmp[1], aTmp[2] ); + + // succeeded + return true; + } + } + + // try sal_Int32 sequence + { + uno::Sequence< sal_Int32 > aTmp; + if( rSourceAny >>= aTmp ) + { + ENSURE_OR_THROW( aTmp.getLength() == 3, + "extractValue(): inappropriate length for RGB color value" ); + + // truncate to byte + o_rValue = RGBColor( ::cppcanvas::makeColor( + static_cast<sal_uInt8>(aTmp[0]), + static_cast<sal_uInt8>(aTmp[1]), + static_cast<sal_uInt8>(aTmp[2]), + 255 ) ); + + // succeeded + return true; + } + } + + // try sal_Int8 sequence + { + uno::Sequence< sal_Int8 > aTmp; + if( rSourceAny >>= aTmp ) + { + ENSURE_OR_THROW( aTmp.getLength() == 3, + "extractValue(): inappropriate length for RGB color value" ); + + o_rValue = RGBColor( ::cppcanvas::makeColor( aTmp[0], aTmp[1], aTmp[2], 255 ) ); + + // succeeded + return true; + } + } + + // try to extract string + OUString aString; + if( !(rSourceAny >>= aString) ) + return false; // nothing left to try + + // TODO(F2): Provide symbolic color values here + o_rValue = RGBColor( 0.5, 0.5, 0.5 ); + + return true; + } + + /// extract color value from Any + bool extractValue( HSLColor& o_rValue, + const uno::Any& rSourceAny, + const ShapeSharedPtr& /*rShape*/, + const ::basegfx::B2DVector& /*rSlideBounds*/ ) + { + // try double sequence + { + uno::Sequence< double > aTmp; + if( rSourceAny >>= aTmp ) + { + ENSURE_OR_THROW( aTmp.getLength() == 3, + "extractValue(): inappropriate length for HSL color value" ); + + o_rValue = HSLColor( aTmp[0], aTmp[1], aTmp[2] ); + + // succeeded + return true; + } + } + + // try sal_Int8 sequence + { + uno::Sequence< sal_Int8 > aTmp; + if( rSourceAny >>= aTmp ) + { + ENSURE_OR_THROW( aTmp.getLength() == 3, + "extractValue(): inappropriate length for HSL color value" ); + + o_rValue = HSLColor( aTmp[0]*360.0/255.0, aTmp[1]/255.0, aTmp[2]/255.0 ); + + // succeeded + return true; + } + } + + return false; // nothing left to try + } + + /// extract plain string from Any + bool extractValue( OUString& o_rValue, + const uno::Any& rSourceAny, + const ShapeSharedPtr& /*rShape*/, + const ::basegfx::B2DVector& /*rSlideBounds*/ ) + { + // try to extract string + return rSourceAny >>= o_rValue; + } + + /// extract bool value from Any + bool extractValue( bool& o_rValue, + const uno::Any& rSourceAny, + const ShapeSharedPtr& /*rShape*/, + const ::basegfx::B2DVector& /*rSlideBounds*/ ) + { + bool bTmp; + // try to extract bool value + if( rSourceAny >>= bTmp ) + { + o_rValue = bTmp; + + // succeeded + return true; + } + + // try to extract string + OUString aString; + if( !(rSourceAny >>= aString) ) + return false; // nothing left to try + + // we also take the strings "true" and "false", + // as well as "on" and "off" here + if( aString.equalsIgnoreAsciiCase("true") || + aString.equalsIgnoreAsciiCase("on") ) + { + o_rValue = true; + return true; + } + if( aString.equalsIgnoreAsciiCase("false") || + aString.equalsIgnoreAsciiCase("off") ) + { + o_rValue = false; + return true; + } + + // ultimately failed. + return false; + } + + /// extract double 2-tuple from Any + bool extractValue( ::basegfx::B2DTuple& o_rPair, + const uno::Any& rSourceAny, + const ShapeSharedPtr& rShape, + const ::basegfx::B2DVector& rSlideBounds ) + { + animations::ValuePair aPair; + + if( !(rSourceAny >>= aPair) ) + return false; + + double nFirst; + if( !extractValue( nFirst, aPair.First, rShape, rSlideBounds ) ) + return false; + + double nSecond; + if( !extractValue( nSecond, aPair.Second, rShape, rSlideBounds ) ) + return false; + + o_rPair.setX( nFirst ); + o_rPair.setY( nSecond ); + + return true; + } + + bool findNamedValue( uno::Sequence< beans::NamedValue > const& rSequence, + const beans::NamedValue& rSearchKey ) + { + return ::std::any_of( rSequence.begin(), rSequence.end(), + NamedValueComparator( rSearchKey ) ); + } + + basegfx::B2DRange calcRelativeShapeBounds( const basegfx::B2DVector& rPageSize, + const basegfx::B2DRange& rShapeBounds ) + { + return basegfx::B2DRange( rShapeBounds.getMinX() / rPageSize.getX(), + rShapeBounds.getMinY() / rPageSize.getY(), + rShapeBounds.getMaxX() / rPageSize.getX(), + rShapeBounds.getMaxY() / rPageSize.getY() ); + } + + // TODO(F2): Currently, the positional attributes DO NOT mirror the XShape properties. + // First and foremost, this is because we must operate with the shape boundrect, + // not position and size (the conversion between logic rect, snap rect and boundrect + // are non-trivial for draw shapes, and I won't duplicate them here). Thus, shapes + // rotated on the page will still have 0.0 rotation angle, as the metafile + // representation fetched over the API is our default zero case. + + ::basegfx::B2DHomMatrix getShapeTransformation( const ::basegfx::B2DRectangle& rShapeBounds, + const ShapeAttributeLayerSharedPtr& pAttr ) + { + if( !pAttr ) + { + const basegfx::B2DHomMatrix aTransform(basegfx::utils::createScaleTranslateB2DHomMatrix( + rShapeBounds.getWidth(), rShapeBounds.getHeight(), + rShapeBounds.getMinX(), rShapeBounds.getMinY())); + + return aTransform; + } + else + { + return getAttributedShapeTransformation( rShapeBounds, + pAttr ); + } + } + + ::basegfx::B2DHomMatrix getSpriteTransformation( const ::basegfx::B2DVector& rPixelSize, + const ::basegfx::B2DVector& rOrigSize, + const ShapeAttributeLayerSharedPtr& pAttr ) + { + ::basegfx::B2DHomMatrix aTransform; + + if( pAttr ) + { + const double nShearX( pAttr->isShearXAngleValid() ? + pAttr->getShearXAngle() : + 0.0 ); + const double nShearY( pAttr->isShearYAngleValid() ? + pAttr->getShearYAngle() : + 0.0 ); + const double nRotation( pAttr->isRotationAngleValid() ? + basegfx::deg2rad(pAttr->getRotationAngle()) : + 0.0 ); + + // scale, shear and rotation pivot point is the + // sprite's pixel center - adapt origin accordingly + aTransform.translate( -0.5*rPixelSize.getX(), + -0.5*rPixelSize.getY() ); + + const ::basegfx::B2DSize aSize( + pAttr->isWidthValid() ? pAttr->getWidth() : rOrigSize.getX(), + pAttr->isHeightValid() ? pAttr->getHeight() : rOrigSize.getY() ); + + // ensure valid size (zero size will inevitably lead + // to a singular transformation matrix). + aTransform.scale( ::basegfx::pruneScaleValue( + aSize.getWidth() / + ::basegfx::pruneScaleValue( + rOrigSize.getX() ) ), + ::basegfx::pruneScaleValue( + aSize.getHeight() / + ::basegfx::pruneScaleValue( + rOrigSize.getY() ) ) ); + + const bool bNeedShearX( !::basegfx::fTools::equalZero(nShearX) ); + const bool bNeedShearY( !::basegfx::fTools::equalZero(nShearY) ); + const bool bNeedRotation( !::basegfx::fTools::equalZero(nRotation) ); + + if( bNeedRotation || bNeedShearX || bNeedShearY ) + { + if( bNeedShearX ) + aTransform.shearX( nShearX ); + + if( bNeedShearY ) + aTransform.shearY( nShearY ); + + if( bNeedRotation ) + aTransform.rotate( nRotation ); + } + + // move left, top corner back to original position of + // the sprite (we've translated the center of the + // sprite to the origin above). + aTransform.translate( 0.5*rPixelSize.getX(), + 0.5*rPixelSize.getY() ); + } + + // return identity transform for un-attributed + // shapes. This renders the sprite as-is, in its + // document-supplied size. + return aTransform; + } + + ::basegfx::B2DRectangle getShapeUpdateArea( const ::basegfx::B2DRectangle& rUnitBounds, + const ::basegfx::B2DHomMatrix& rShapeTransform, + const ShapeAttributeLayerSharedPtr& pAttr ) + { + ::basegfx::B2DHomMatrix aTransform; + + if( pAttr && + pAttr->isCharScaleValid() && + fabs(pAttr->getCharScale()) > 1.0 ) + { + // enlarge shape bounds. Have to consider the worst + // case here (the text fully fills the shape) + + const double nCharScale( pAttr->getCharScale() ); + + // center of scaling is the middle of the shape + aTransform.translate( -0.5, -0.5 ); + aTransform.scale( nCharScale, nCharScale ); + aTransform.translate( 0.5, 0.5 ); + } + + aTransform *= rShapeTransform; + + ::basegfx::B2DRectangle aRes; + + // apply shape transformation to unit rect + return ::canvas::tools::calcTransformedRectBounds( + aRes, + rUnitBounds, + aTransform ); + } + + ::basegfx::B2DRange getShapeUpdateArea( const ::basegfx::B2DRange& rUnitBounds, + const ::basegfx::B2DRange& rShapeBounds ) + { + return ::basegfx::B2DRectangle( + basegfx::utils::lerp( rShapeBounds.getMinX(), + rShapeBounds.getMaxX(), + rUnitBounds.getMinX() ), + basegfx::utils::lerp( rShapeBounds.getMinY(), + rShapeBounds.getMaxY(), + rUnitBounds.getMinY() ), + basegfx::utils::lerp( rShapeBounds.getMinX(), + rShapeBounds.getMaxX(), + rUnitBounds.getMaxX() ), + basegfx::utils::lerp( rShapeBounds.getMinY(), + rShapeBounds.getMaxY(), + rUnitBounds.getMaxY() ) ); + } + + ::basegfx::B2DRectangle getShapePosSize( const ::basegfx::B2DRectangle& rOrigBounds, + const ShapeAttributeLayerSharedPtr& pAttr ) + { + // an already empty shape bound need no further + // treatment. In fact, any changes applied below would + // actually remove the special empty state, thus, don't + // change! + if( !pAttr || + rOrigBounds.isEmpty() ) + { + return rOrigBounds; + } + else + { + // cannot use maBounds anymore, attributes might have been + // changed by now. + // Have to use absolute values here, as negative sizes + // (aka mirrored shapes) _still_ have the same bounds, + // only with mirrored content. + ::basegfx::B2DSize aSize; + aSize.setWidth( fabs( pAttr->isWidthValid() ? + pAttr->getWidth() : + rOrigBounds.getWidth() ) ); + aSize.setHeight( fabs( pAttr->isHeightValid() ? + pAttr->getHeight() : + rOrigBounds.getHeight() ) ); + + ::basegfx::B2DPoint aPos; + aPos.setX( pAttr->isPosXValid() ? + pAttr->getPosX() : + rOrigBounds.getCenterX() ); + aPos.setY( pAttr->isPosYValid() ? + pAttr->getPosY() : + rOrigBounds.getCenterY() ); + + // the positional attribute retrieved from the + // ShapeAttributeLayer actually denotes the _middle_ + // of the shape (do it as the PPTs do...) + return ::basegfx::B2DRectangle(aPos - 0.5 * basegfx::B2DPoint(aSize), + aPos + 0.5 * basegfx::B2DPoint(aSize)); + } + } + + RGBColor unoColor2RGBColor( sal_Int32 nColor ) + { + return RGBColor( + ::cppcanvas::makeColor( + // convert from API color to IntSRGBA color + // (0xAARRGGBB -> 0xRRGGBBAA) + static_cast< sal_uInt8 >( nColor >> 16U ), + static_cast< sal_uInt8 >( nColor >> 8U ), + static_cast< sal_uInt8 >( nColor ), + static_cast< sal_uInt8 >( nColor >> 24U ) ) ); + } + + sal_Int32 RGBAColor2UnoColor( ::cppcanvas::IntSRGBA aColor ) + { + return ::cppcanvas::makeColorARGB( + // convert from IntSRGBA color to API color + // (0xRRGGBBAA -> 0xAARRGGBB) + static_cast< sal_uInt8 >(0), + ::cppcanvas::getRed(aColor), + ::cppcanvas::getGreen(aColor), + ::cppcanvas::getBlue(aColor)); + } + + void fillRect( const ::cppcanvas::CanvasSharedPtr& rCanvas, + const ::basegfx::B2DRectangle& rRect, + ::cppcanvas::IntSRGBA aFillColor ) + { + const ::basegfx::B2DPolygon aPoly( + ::basegfx::utils::createPolygonFromRect( rRect )); + + ::cppcanvas::PolyPolygonSharedPtr pPolyPoly( + ::cppcanvas::BaseGfxFactory::createPolyPolygon( rCanvas, aPoly ) ); + + if( pPolyPoly ) + { + pPolyPoly->setRGBAFillColor( aFillColor ); + pPolyPoly->draw(); + } + } + + void initSlideBackground( const ::cppcanvas::CanvasSharedPtr& rCanvas, + const ::basegfx::B2ISize& rSize ) + { + ::cppcanvas::CanvasSharedPtr pCanvas( rCanvas->clone() ); + + // set transformation to identity (->device pixel) + pCanvas->setTransformation( ::basegfx::B2DHomMatrix() ); + + // #i42440# Fill the _full_ background in + // black. Since we had to extend the bitmap by one + // pixel, and the bitmap is initialized white, + // depending on the slide content a one pixel wide + // line will show to the bottom and the right. + fillRect( pCanvas, + ::basegfx::B2DRectangle( 0.0, 0.0, + rSize.getWidth(), + rSize.getHeight() ), + 0x000000FFU ); + + // tdf#148884 in dark mode impress's auto text color assumes it will render against + // the DOCCOLOR by default, so leaving this as white gives white on white, this + // looks the simplest approach, propagate dark mode into slideshow mode instead + // of reformatting to render onto a white slideshow + svtools::ColorConfig aColorConfig; + Color aApplicationDocumentColor = aColorConfig.GetColorValue(svtools::DOCCOLOR).nColor; + cppcanvas::IntSRGBA nCanvasColor = cppcanvas::makeColor(aApplicationDocumentColor.GetRed(), + aApplicationDocumentColor.GetGreen(), + aApplicationDocumentColor.GetBlue(), + 0xFF); + + // fill the bounds rectangle in DOCCOLOR (typically white). + // Subtract one pixel from both width and height, because the slide + // size is chosen one pixel larger than given by the drawing layer. + // This is because shapes with line style, that have the size of + // the slide would otherwise be cut off. OTOH, every other slide + // background (solid fill, gradient, bitmap) render one pixel less, + // thus revealing ugly white pixel to the right and the bottom. + fillRect( pCanvas, + ::basegfx::B2DRectangle( 0.0, 0.0, + rSize.getWidth()-1, + rSize.getHeight()-1 ), + nCanvasColor ); + } + + ::basegfx::B2DRectangle getAPIShapeBounds( const uno::Reference< drawing::XShape >& xShape ) + { + uno::Reference< beans::XPropertySet > xPropSet( xShape, + uno::UNO_QUERY_THROW ); + // read bound rect + awt::Rectangle aTmpRect; + if( !(xPropSet->getPropertyValue("BoundRect") >>= aTmpRect) ) + { + ENSURE_OR_THROW( false, + "getAPIShapeBounds(): Could not get \"BoundRect\" property from shape" ); + } + + return ::basegfx::B2DRectangle( aTmpRect.X, + aTmpRect.Y, + aTmpRect.X+aTmpRect.Width, + aTmpRect.Y+aTmpRect.Height ); + } + +/* + TODO(F1): When ZOrder someday becomes usable enable this + + double getAPIShapePrio( const uno::Reference< drawing::XShape >& xShape ) + { + uno::Reference< beans::XPropertySet > xPropSet( xShape, + uno::UNO_QUERY_THROW ); + // read prio + sal_Int32 nPrio(0); + if( !(xPropSet->getPropertyValue( + OUString("ZOrder") ) >>= nPrio) ) + { + ENSURE_OR_THROW( false, + "getAPIShapePrio(): Could not get \"ZOrder\" property from shape" ); + } + + // TODO(F2): Check and adapt the range of possible values here. + // Maybe we can also take the total number of shapes here + return nPrio / 65535.0; + } +*/ + + basegfx::B2IVector getSlideSizePixel( const basegfx::B2DVector& rSlideSize, + const UnoViewSharedPtr& pView ) + { + ENSURE_OR_THROW(pView, "getSlideSizePixel(): invalid view"); + + // determine transformed page bounds + const basegfx::B2DRange aRect( 0,0, + rSlideSize.getX(), + rSlideSize.getY() ); + basegfx::B2DRange aTmpRect; + canvas::tools::calcTransformedRectBounds( aTmpRect, + aRect, + pView->getTransformation() ); + + // #i42440# Returned slide size is one pixel too small, as + // rendering happens one pixel to the right and below the + // actual bound rect. + return basegfx::B2IVector( + basegfx::fround( aTmpRect.getRange().getX() ) + 1, + basegfx::fround( aTmpRect.getRange().getY() ) + 1 ); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |