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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: tools.hxx,v $
*
* $Revision: 1.9 $
*
* last change: $Author: kz $ $Date: 2006-12-13 16:05:06 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _SLIDESHOW_TOOLS_HXX
#define _SLIDESHOW_TOOLS_HXX
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/range/b2drectangle.hxx>
#include <basegfx/tuple/b2dtuple.hxx>
#include <basegfx/vector/b2dsize.hxx>
#include <boost/bind.hpp>
#include <boost/shared_ptr.hpp>
#include "shapeattributelayer.hxx"
#include "shape.hxx"
#include "rgbcolor.hxx"
#include "hslcolor.hxx"
#include <string.h> // for strcmp
#include <algorithm>
#include <boost/optional.hpp>
#include <functional>
#include <cstdlib>
#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
namespace com { namespace sun { namespace star { namespace beans {
struct NamedValue;
} } } }
class GDIMetaFile;
/* Definition of some animation tools */
namespace slideshow
{
namespace internal
{
typedef ::boost::shared_ptr< GDIMetaFile > GDIMetaFileSharedPtr;
// xxx todo: remove with boost::hash when 1.33 is available
template <typename T>
struct hash : ::std::unary_function<T, ::std::size_t>
{
::std::size_t operator()( T const& val ) const {
return hash_value(val);
}
};
template <typename T>
inline ::std::size_t hash_value( T * const& p )
{
::std::size_t d = static_cast< ::std::size_t >(
reinterpret_cast< ::std::ptrdiff_t >(p) );
return d + (d >> 3);
}
// xxx todo: shift to namespace com::sun::star::uno when
// 1.33 is available
template <typename T>
inline ::std::size_t hash_value(
::com::sun::star::uno::Reference<T> const& x )
{
// normalize to object root, because _only_ XInterface is defined
// to be stable during object lifetime:
::com::sun::star::uno::Reference<
::com::sun::star::uno::XInterface> const xRoot(
x, ::com::sun::star::uno::UNO_QUERY );
return hash<void *>()(xRoot.get());
}
/** Cycle mode of intrinsic animations
*/
enum CycleMode
{
/// loop the animation back to back
CYCLE_LOOP,
/// loop, but play backwards from end to start
CYCLE_PINGPONGLOOP
};
// Value extraction from Any
// =========================
class LayerManager;
typedef ::boost::shared_ptr< LayerManager > LayerManagerSharedPtr;
/// extract unary double value from Any
bool extractValue( double& o_rValue,
const ::com::sun::star::uno::Any& rSourceAny,
const ShapeSharedPtr& rShape,
const LayerManagerSharedPtr& rLayerManager );
/// extract int from Any
bool extractValue( sal_Int32& o_rValue,
const ::com::sun::star::uno::Any& rSourceAny,
const ShapeSharedPtr& rShape,
const LayerManagerSharedPtr& rLayerManager );
/// extract enum/constant group value from Any
bool extractValue( sal_Int16& o_rValue,
const ::com::sun::star::uno::Any& rSourceAny,
const ShapeSharedPtr& rShape,
const LayerManagerSharedPtr& rLayerManager );
/// extract color value from Any
bool extractValue( RGBColor& o_rValue,
const ::com::sun::star::uno::Any& rSourceAny,
const ShapeSharedPtr& rShape,
const LayerManagerSharedPtr& rLayerManager );
/// extract color value from Any
bool extractValue( HSLColor& o_rValue,
const ::com::sun::star::uno::Any& rSourceAny,
const ShapeSharedPtr& rShape,
const LayerManagerSharedPtr& rLayerManager );
/// extract plain string from Any
bool extractValue( ::rtl::OUString& o_rValue,
const ::com::sun::star::uno::Any& rSourceAny,
const ShapeSharedPtr& rShape,
const LayerManagerSharedPtr& rLayerManager );
/// extract bool value from Any
bool extractValue( bool& o_rValue,
const ::com::sun::star::uno::Any& rSourceAny,
const ShapeSharedPtr& rShape,
const LayerManagerSharedPtr& rLayerManager );
/// extract double 2-tuple from Any
bool extractValue( ::basegfx::B2DTuple& o_rPair,
const ::com::sun::star::uno::Any& rSourceAny,
const ShapeSharedPtr& rShape,
const LayerManagerSharedPtr& rLayerManager );
/** Search a sequence of NamedValues for a given element.
@return true, if the sequence contains the specified
element.
*/
bool findNamedValue( ::com::sun::star::uno::Sequence<
::com::sun::star::beans::NamedValue > const& rSequence,
const ::com::sun::star::beans::NamedValue& rSearchKey );
/** Search a sequence of NamedValues for an element with a given name.
@param o_pRet
If non-NULL, receives the full NamedValue found (if it was
found, that is).
@return true, if the sequence contains the specified
element.
*/
bool findNamedValue( ::com::sun::star::beans::NamedValue* o_pRet,
const ::com::sun::star::uno::Sequence<
::com::sun::star::beans::NamedValue >& rSequence,
const ::rtl::OUString& rSearchString );
inline ::basegfx::B2DRectangle calcRelativeShapeBounds( const ::basegfx::B2DRectangle& rPageBounds,
const ::basegfx::B2DRectangle& rShapeBounds )
{
return ::basegfx::B2DRectangle( rShapeBounds.getMinX() / rPageBounds.getWidth(),
rShapeBounds.getMinY() / rPageBounds.getHeight(),
rShapeBounds.getMaxX() / rPageBounds.getWidth(),
rShapeBounds.getMaxY() / rPageBounds.getHeight() );
}
/** Get the shape transformation from the attribute set
@param rBounds
Original shape bound rect (to substitute default attribute
layer values)
@param pAttr
Attribute set. Might be NULL (then, rBounds is used to set
a simple scale and translate of the unit rect to rBounds).
*/
::basegfx::B2DHomMatrix getShapeTransformation( const ::basegfx::B2DRectangle& rBounds,
const ShapeAttributeLayerSharedPtr& pAttr );
/** Get a shape's sprite transformation from the attribute set
@param rPixelSize
Pixel size of the sprite
@param rOrigSize
Original shape size (i.e. the size of the actual sprite
content, in the user coordinate system)
@param pAttr
Attribute set. Might be NULL (then, rBounds is used to set
a simple scale and translate of the unit rect to rBounds).
@return the transformation to be applied to the sprite.
*/
::basegfx::B2DHomMatrix getSpriteTransformation( const ::basegfx::B2DSize& rPixelSize,
const ::basegfx::B2DSize& rOrigSize,
const ShapeAttributeLayerSharedPtr& pAttr );
/** Calc update area for a shape.
This method calculates the 'covered' area for the shape,
i.e. the rectangle that is affected when rendering the
shape. Apart from applying the given transformation to the
shape rectangle, this method also takes attributes into
account, which further scale the output (e.g. character
sizes).
@param rUnitBounds
Shape bounds, in the unit rect coordinate space
@param rShapeTransform
Transformation matrix the shape should undergo.
@param pAttr
Current shape attributes
*/
::basegfx::B2DRectangle getShapeUpdateArea( const ::basegfx::B2DRectangle& rUnitBounds,
const ::basegfx::B2DHomMatrix& rShapeTransform,
const ShapeAttributeLayerSharedPtr& pAttr );
/** Calc update area for a shape.
This method calculates the 'covered' area for the shape,
i.e. the rectangle that is affected when rendering the
shape. The difference from the other getShapeUpdateArea()
method is the fact that this one works without
ShapeAttributeLayer, and only scales up the given shape
user coordinate bound rect. The method is typically used
to retrieve user coordinate system bound rects for shapes
which are smaller than the default unit bound rect
(because e.g. of subsetting)
@param rUnitBounds
Shape bounds, in the unit rect coordinate space
@param rShapeBounds
Current shape bounding box in user coordinate space.
*/
::basegfx::B2DRectangle getShapeUpdateArea( const ::basegfx::B2DRectangle& rUnitBounds,
const ::basegfx::B2DRectangle& rShapeBounds );
/** Calc output position and size of shape, according to given
attribute layer.
Rotations, shears etc. and not taken into account,
i.e. the returned rectangle is NOT the bounding box. Use
it as if aBounds.getMinimum() is the output position and
aBounds.getRange() the scaling of the shape.
*/
::basegfx::B2DRectangle getShapePosSize( const ::basegfx::B2DRectangle& rOrigBounds,
const ShapeAttributeLayerSharedPtr& pAttr );
/** Convert a plain UNO API 32 bit int to RGBColor
*/
RGBColor unoColor2RGBColor( sal_Int32 );
/** Fill a plain rectangle on the given canvas with the given color
*/
void fillRect( const ::cppcanvas::CanvasSharedPtr& rCanvas,
const ::basegfx::B2DRectangle& rRect,
::cppcanvas::Color::IntSRGBA aFillColor );
/** Init canvas with default background (white)
*/
void initSlideBackground( const ::cppcanvas::CanvasSharedPtr& rCanvas,
const ::basegfx::B2ISize& rSize );
/// Gets a random ordinal [0,n)
inline ::std::size_t getRandomOrdinal( const ::std::size_t n )
{
return static_cast< ::std::size_t >(
double(n) * rand() / (RAND_MAX + 1.0) );
}
/// To work around ternary operator in initializer lists
/// (Solaris compiler problems)
template <typename T>
inline T const & ternary_op(
const bool cond, T const & arg1, T const & arg2 )
{
if (cond)
return arg1;
else
return arg2;
}
template <typename ValueType>
inline bool getPropertyValue(
ValueType & rValue,
com::sun::star::uno::Reference<
com::sun::star::beans::XPropertySet> const & xPropSet,
rtl::OUString const & propName )
{
try {
const com::sun::star::uno::Any& a(
xPropSet->getPropertyValue( propName ) );
bool const bRet = (a >>= rValue);
#if OSL_DEBUG_LEVEL > 0
if( !bRet )
OSL_TRACE( "%s: while retrieving property %s, cannot extract Any of type %s\n",
::rtl::OUStringToOString( propName,
RTL_TEXTENCODING_ASCII_US ).getStr(),
BOOST_CURRENT_FUNCTION,
::rtl::OUStringToOString( a.getValueTypeRef()->pTypeName,
RTL_TEXTENCODING_ASCII_US ).getStr() );
#endif
return bRet;
}
catch (com::sun::star::uno::RuntimeException &)
{
throw;
}
catch (com::sun::star::uno::Exception &)
{
return false;
}
}
template <typename ValueType>
inline bool getPropertyValue(
com::sun::star::uno::Reference< ValueType >& rIfc,
com::sun::star::uno::Reference<
com::sun::star::beans::XPropertySet> const & xPropSet,
rtl::OUString const & propName )
{
try
{
const com::sun::star::uno::Any& a(
xPropSet->getPropertyValue( propName ));
rIfc.set( a,
com::sun::star::uno::UNO_QUERY );
bool const bRet = rIfc.is();
#if OSL_DEBUG_LEVEL > 0
if( !bRet )
OSL_TRACE( "%s: while retrieving property %s, cannot extract Any of type %s to interface\n",
::rtl::OUStringToOString( propName,
RTL_TEXTENCODING_ASCII_US ).getStr(),
BOOST_CURRENT_FUNCTION,
::rtl::OUStringToOString( a.getValueTypeRef()->pTypeName,
RTL_TEXTENCODING_ASCII_US ).getStr() );
#endif
return bRet;
}
catch (com::sun::star::uno::RuntimeException &)
{
throw;
}
catch (com::sun::star::uno::Exception &)
{
return false;
}
}
/// Get the content of the BoundRect shape property
::basegfx::B2DRectangle getAPIShapeBounds( const ::com::sun::star::uno::Reference<
::com::sun::star::drawing::XShape >& xShape );
/// Get the content of the ZOrder shape property
double getAPIShapePrio( const ::com::sun::star::uno::Reference<
::com::sun::star::drawing::XShape >& xShape );
}
}
#endif /* _SLIDESHOW_TOOLS_HXX */
|
