summaryrefslogtreecommitdiffstats
path: root/slideshow/source/engine/tools.cxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--slideshow/source/engine/tools.cxx769
1 files changed, 769 insertions, 0 deletions
diff --git a/slideshow/source/engine/tools.cxx b/slideshow/source/engine/tools.cxx
new file mode 100644
index 000000000..3de893ae9
--- /dev/null
+++ b/slideshow/source/engine/tools.cxx
@@ -0,0 +1,769 @@
+/* -*- 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 <tools/diagnose_ex.h>
+#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 <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() );
+
+ 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.getX() ),
+ ::basegfx::pruneScaleValue(
+ rSize.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 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.getX() /
+ ::basegfx::pruneScaleValue(
+ rOrigSize.getX() ) ),
+ ::basegfx::pruneScaleValue(
+ aSize.getY() /
+ ::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.setX( fabs( pAttr->isWidthValid() ?
+ pAttr->getWidth() :
+ rOrigBounds.getWidth() ) );
+ aSize.setY( 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*aSize,
+ aPos + 0.5*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.getX(),
+ rSize.getY() ),
+ 0x000000FFU );
+
+ // fill the bounds rectangle in 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.getX()-1,
+ rSize.getY()-1 ),
+ 0xFFFFFFFFU );
+ }
+
+ ::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: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-15 16:10:33 +0000