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office-gobmx/basebmp/test/bmpdemo.cxx
Thomas Arnhold be6a8677a6 OSL_TRACE: Remove trailing newlines 
Done with perl regex:
s/(\n\s*OSL_TRACE\(\s*\"[^\n]+?)\s*(\\n)+(\"[^\n]*\)\;\n)/$1$3/gs;

- removed trailing whitespaces and (multiple) newlines
2011-09-21 09:28:39 +02:00

1252 lines
39 KiB
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _USE_MATH_DEFINES
#define _USE_MATH_DEFINES // needed by Visual C++ for math constants
#endif
#include <math.h>
#include <comphelper/processfactory.hxx>
#include <comphelper/regpathhelper.hxx>
#include <cppuhelper/servicefactory.hxx>
#include <cppuhelper/bootstrap.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/registry/XSimpleRegistry.hpp>
#include <ucbhelper/contentbroker.hxx>
#include <ucbhelper/configurationkeys.hxx>
#include <vcl/window.hxx>
#include <vcl/svapp.hxx>
#include <vcl/msgbox.hxx>
#include <vcl/unowrap.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/bmpacc.hxx>
#include <basegfx/polygon/b2dlinegeometry.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basegfx/polygon/b2dpolypolygonrasterconverter.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/range/b2irange.hxx>
#include <basegfx/vector/b2isize.hxx>
#include <basegfx/vector/b2enums.hxx>
#include <basegfx/point/b2ipoint.hxx>
#include <basebmp/color.hxx>
#include <basebmp/scanlineformats.hxx>
#include <basebmp/bitmapdevice.hxx>
#include <basebmp/debug.hxx>
#include <rtl/bootstrap.hxx>
#include <vigra/metaprogramming.hxx>
#include <vigra/static_assert.hxx>
#include <vigra/basicimageview.hxx>
#include <boost/static_assert.hpp>
#include <algorithm>
using namespace ::com::sun::star;
namespace
{
/// template meta function: add const qualifier, if given 2nd type has it
template<typename A, typename B> struct clone_const
{
typedef B type;
};
template<typename A, typename B> struct clone_const<const A,B>
{
typedef const B type;
};
template< class DestIterator, class DestAccessor > class Renderer :
public basegfx::B2DPolyPolygonRasterConverter
{
private:
typename DestIterator::value_type fillColor_;
typename DestIterator::value_type clearColor_;
DestIterator begin_;
DestAccessor accessor_;
public:
Renderer(const basegfx::B2DPolyPolygon& rPolyPolyRaster,
typename DestIterator::value_type fillColor,
typename DestIterator::value_type clearColor,
DestIterator begin,
DestIterator end,
DestAccessor accessor ) :
B2DPolyPolygonRasterConverter(rPolyPolyRaster,
basegfx::B2DRange(0,0,
end.x - end.x,
begin.y - begin.y )),
fillColor_( fillColor ),
clearColor_( clearColor ),
begin_( begin ),
accessor_( accessor )
{
}
virtual void span(const double& rfXLeft,
const double& rfXRight,
sal_Int32 nY,
bool bOn )
{
DestIterator currIter( begin_ + vigra::Diff2D(0,nY) );
typename DestIterator::row_iterator rowIter( currIter.rowIterator() +
basegfx::fround(rfXLeft) );
typename DestIterator::row_iterator rowEnd( currIter.rowIterator() +
basegfx::fround(rfXRight) );
if( bOn )
while( rowIter != rowEnd )
{
accessor_.set(fillColor_, rowIter);
++rowIter;
}
else
while( rowIter != rowEnd )
{
accessor_.set(accessor_(rowIter)*clearColor_, rowIter);
++rowIter;
}
}
};
template< class DestIterator, class DestAccessor >
std::auto_ptr< Renderer< DestIterator, DestAccessor > > makeRenderer(
const basegfx::B2DPolyPolygon& rPolyPolyRaster,
typename DestIterator::value_type fillColor,
typename DestIterator::value_type clearColor,
vigra::triple<DestIterator, DestIterator, DestAccessor> dest )
{
return std::auto_ptr< Renderer< DestIterator, DestAccessor > >(
new Renderer< DestIterator, DestAccessor >(rPolyPolyRaster,
fillColor,
clearColor,
dest.first,
dest.second,
dest.third));
}
// changed semantics re. DirectionSelector<StridedArrayTag>: stride
// now counts in <em>raw</em> bytes!
template< typename T > class StridedArrayIterator
{
public:
typedef typename clone_const<T, unsigned char>::type internal_type;
StridedArrayIterator(int stride, T* ptr = 0) :
stride_(stride),
current_(reinterpret_cast<internal_type*>(ptr))
{}
/// Copy from other StridedArrayIterator, plus given offset
StridedArrayIterator( StridedArrayIterator const& rSrc,
int offset ) :
stride_(rSrc.stride_),
current_(reinterpret_cast<internal_type*>(
reinterpret_cast<T*>(rSrc.current_)+offset))
{}
void operator++() {current_ += stride_; }
void operator++(int) {current_ += stride_; }
void operator--() {current_ -= stride_; }
void operator--(int) {current_ -= stride_; }
void operator+=(int dy) {current_ += dy*stride_; }
void operator-=(int dy) {current_ -= dy*stride_; }
bool operator==(StridedArrayIterator const & rhs) const
{ return (current_ == rhs.current_); }
bool operator!=(StridedArrayIterator const & rhs) const
{ return (current_ != rhs.current_); }
bool operator<(StridedArrayIterator const & rhs) const
{ return (current_ < rhs.current_); }
bool operator<=(StridedArrayIterator const & rhs) const
{ return (current_ <= rhs.current_); }
bool operator>(StridedArrayIterator const & rhs) const
{ return (current_ > rhs.current_); }
bool operator>=(StridedArrayIterator const & rhs) const
{ return (current_ >= rhs.current_); }
int operator-(StridedArrayIterator const & rhs) const
{ return (current_ - rhs.current_) / stride_; }
T* operator()() const
{ return reinterpret_cast<T*>(current_); }
T* operator()(int d) const
{ return reinterpret_cast<T*>(current_ + d*stride_); }
int stride_;
internal_type* current_;
};
/// template meta function: remove const qualifier from plain type
template <typename T> struct remove_const
{
typedef T type;
};
template <typename T> struct remove_const<const T>
{
typedef T type;
};
/// returns true, if given number is strictly less than 0
template< typename T > inline bool is_negative( T x )
{
return x < 0;
}
/// Overload for ints (branch-free)
inline bool is_negative( int x )
{
// force logic shift (result for signed shift right is undefined)
return static_cast<unsigned int>(x) >> (sizeof(int)*8-1);
}
/// Get bitmask for data at given intra-word position, for given bit depth
template< typename data_type, int bits_per_pixel, bool MsbFirst, typename difference_type > inline data_type get_mask( difference_type d )
{
BOOST_STATIC_ASSERT(bits_per_pixel > 0);
BOOST_STATIC_ASSERT(sizeof(data_type)*8 % bits_per_pixel == 0);
BOOST_STATIC_ASSERT(sizeof(data_type)*8 / bits_per_pixel > 1);
BOOST_STATIC_ASSERT(vigra::TypeTraits<data_type>::isPOD::asBool);
const unsigned int nIntraWordPositions( sizeof(data_type)*8 / bits_per_pixel );
// create bits_per_pixel 1s shift to intra-word position
return ((~(~0 << bits_per_pixel)) << bits_per_pixel*(MsbFirst ?
(nIntraWordPositions-1 - (d % nIntraWordPositions)) :
(d % nIntraWordPositions)));
}
template< int num_intraword_positions, int bits_per_pixel, bool MsbFirst, typename difference_type > inline difference_type get_shift( difference_type remainder )
{
return bits_per_pixel*(MsbFirst ?
(num_intraword_positions - 1 - remainder) :
remainder);
}
template< typename Datatype,
typename Valuetype,
int bits_per_pixel,
bool MsbFirst > class PackedPixelColumnIterator
{
public:
// no reference, no index_reference type here
typedef Datatype data_type;
typedef Valuetype value_type;
typedef int difference_type;
typedef image_traverser_tag iterator_category;
typedef typename remove_const<data_type>::type mask_type;
typedef data_type* pointer;
typedef StridedArrayIterator< data_type > MoveY;
enum {
/** The number of pixel within a single data_type value
*/
num_intraword_positions=sizeof(data_type)*8/bits_per_pixel,
/** Bit mask for one pixel (least significant bits)
*/
bit_mask=~(~0 << bits_per_pixel)
};
private:
MoveY y;
mask_type mask_;
difference_type shift_;
void inc()
{
++y;
}
void dec()
{
--y;
}
bool equal( PackedPixelColumnIterator const & rhs ) const
{
return rhs.y == y;
}
bool less( PackedPixelColumnIterator const & rhs ) const
{
return y < rhs.y;
}
public:
PackedPixelColumnIterator() :
y(0),
mask_( get_mask<data_type, bits_per_pixel, MsbFirst, difference_type>(0) ),
shift_( get_shift<num_intraword_positions, bits_per_pixel, MsbFirst, difference_type>(0) )
{}
PackedPixelColumnIterator( const MoveY& base, difference_type remainder ) :
y(base),
mask_( get_mask<data_type, bits_per_pixel, MsbFirst>(remainder) ),
shift_( get_shift<num_intraword_positions, bits_per_pixel, MsbFirst>(remainder) )
{}
PackedPixelColumnIterator& operator+=( difference_type d )
{
y += d;
return *this;
}
PackedPixelColumnIterator& operator-=( difference_type d )
{
y -= d;
return *this;
}
PackedPixelColumnIterator operator+( difference_type d )
{
PackedPixelColumnIterator res(*this);
res += d;
return res;
}
PackedPixelColumnIterator operator-( difference_type d )
{
PackedPixelColumnIterator res(*this);
res -= d;
return res;
}
PackedPixelColumnIterator& operator++()
{
inc();
return *this;
}
PackedPixelColumnIterator& operator--()
{
dec();
return *this;
}
PackedPixelColumnIterator operator++(int)
{
PackedPixelColumnIterator res(*this);
res.inc();
return res;
}
PackedPixelColumnIterator operator--(int)
{
PackedPixelColumnIterator res(*this);
res.dec();
return res;
}
bool operator==(PackedPixelColumnIterator const & rhs) const
{
return equal( rhs );
}
bool operator!=(PackedPixelColumnIterator const & rhs) const
{
return !equal( rhs );
}
bool operator<(PackedPixelColumnIterator const & rhs) const
{
return less(rhs);
}
bool operator<=(PackedPixelColumnIterator const & rhs) const
{
return !less(rhs);
}
bool operator>(PackedPixelColumnIterator const & rhs) const
{
return rhs.less(*this);
}
bool operator>=(PackedPixelColumnIterator const & rhs) const
{
return !rhs.less(*this);
}
difference_type operator-(PackedPixelColumnIterator const & rhs) const
{
return y - rhs.y;
}
value_type get() const
{
// TODO(Q3): use traits to get unsigned type for data_type (if
// not already)
return static_cast<unsigned int>(*y() & mask_) >> shift_;
}
value_type get(difference_type d) const
{
// TODO(Q3): use traits to get unsigned type for data_type (if
// not already)
return static_cast<unsigned int>(*y(d) & mask_) >> shift_;
}
void set( value_type v ) const
{
const value_type pixel_value( (v << shift_) & mask_ );
*y() = (*y() & ~mask_) | pixel_value;
}
void set( value_type v, difference_type d ) const
{
const value_type pixel_value( (v << shift_) & mask_ );
*y(d) = (*y(d) & ~mask_) | pixel_value;
}
};
template< typename Datatype,
typename Valuetype,
int bits_per_pixel,
bool MsbFirst > class PackedPixelRowIterator
{
public:
// no reference, no index_reference type here
typedef Datatype data_type;
typedef Valuetype value_type;
typedef int difference_type;
typedef image_traverser_tag iterator_category;
typedef typename remove_const<data_type>::type mask_type;
typedef data_type* pointer;
enum {
/** The number of pixel within a single data_type value
*/
num_intraword_positions=sizeof(data_type)*8/bits_per_pixel,
/** Bit mask for one pixel (least significant bits)
*/
bit_mask=~(~0 << bits_per_pixel)
};
private:
pointer data_;
mask_type mask_;
difference_type remainder_;
void update_mask()
{
mask_ = get_mask<data_type, bits_per_pixel, MsbFirst>(remainder_);
}
void inc()
{
const difference_type newValue( remainder_ + 1 );
const difference_type data_offset( newValue / num_intraword_positions );
data_ += data_offset;
remainder_ = newValue % num_intraword_positions;
const mask_type shifted_mask(
MsbFirst ?
// TODO(Q3): use traits to get unsigned type for data_type
// (if not already)
static_cast<unsigned int>(mask_) >> bits_per_pixel :
mask_ << bits_per_pixel );
// data_offset is 0 for shifted mask, and 1 for wrapped-around mask
mask_ = (1-data_offset)*shifted_mask + data_offset*(MsbFirst ?
bit_mask << bits_per_pixel*(num_intraword_positions-1) :
bit_mask);
}
void dec()
{
const difference_type newValue( remainder_ - 1 );
const bool isNegative( is_negative(newValue) );
const difference_type newRemainder( newValue % num_intraword_positions );
// calc data_ += newValue / num_intraword_positions;
// remainder_ = newRemainder;
// for newValue >= 0, and
// data_ += newValue / num_intraword_positions - 1;
// remainder_ = num_intraword_positions - newRemainder;
// (to force remainder_ to be positive).
// This is branch-free, if is_negative() is branch-free
const difference_type data_offset( newValue / num_intraword_positions - isNegative );
data_ += data_offset;
remainder_ = newRemainder + isNegative*num_intraword_positions;
const mask_type shifted_mask(
MsbFirst ?
mask_ << bits_per_pixel :
// TODO(Q3): use traits to get unsigned type for data_type
// (if not already)
static_cast<unsigned int>(mask_) >> bits_per_pixel );
// data_offset is 0 for shifted mask, and 1 for wrapped-around mask
mask_ = (1-data_offset)*shifted_mask + data_offset*(MsbFirst ?
bit_mask :
bit_mask << bits_per_pixel*(num_intraword_positions-1));
}
bool equal( PackedPixelRowIterator const & rhs ) const
{
return rhs.data_ == data_ && rhs.remainder_ == remainder_;
}
bool less( PackedPixelRowIterator const & rhs ) const
{
return data_ == rhs.data_ ?
(remainder_ < rhs.remainder_) :
(data_ < rhs.data_);
}
public:
PackedPixelRowIterator() :
data_(0),
mask_( get_mask<data_type, bits_per_pixel, MsbFirst, difference_type>(0) ),
remainder_(0)
{}
explicit PackedPixelRowIterator( pointer base ) :
data_(base),
mask_( get_mask<data_type, bits_per_pixel, MsbFirst, difference_type>(0) ),
remainder_(0)
{}
PackedPixelRowIterator& operator+=( difference_type d )
{
const difference_type newValue( remainder_ + d );
data_ += newValue / num_intraword_positions;
remainder_ = newValue % num_intraword_positions;
update_mask();
return *this;
}
PackedPixelRowIterator& operator-=( difference_type d )
{
const difference_type newValue( remainder_ - d );
const bool isNegative( is_negative(newValue) );
const difference_type newRemainder( newValue % num_intraword_positions );
// calc data_ += newValue / num_intraword_positions;
// remainder_ = newRemainder;
// for newValue >= 0, and
// data_ += newValue / num_intraword_positions - 1;
// remainder_ = num_intraword_positions - newRemainder;
// (to force remainder_ to be positive).
// This is branch-free, if is_negative() is branch-free
data_ += newValue / num_intraword_positions - isNegative;
remainder_ = newRemainder + isNegative*(num_intraword_positions - 2*newRemainder);
update_mask();
return *this;
}
PackedPixelRowIterator operator+( difference_type d )
{
PackedPixelRowIterator res(*this);
res += d;
return res;
}
PackedPixelRowIterator operator-( difference_type d )
{
PackedPixelRowIterator res(*this);
res -= d;
return res;
}
PackedPixelRowIterator& operator++()
{
inc();
return *this;
}
PackedPixelRowIterator& operator--()
{
dec();
return *this;
}
PackedPixelRowIterator operator++(int)
{
PackedPixelRowIterator res(*this);
res.inc();
return res;
}
PackedPixelRowIterator operator--(int)
{
PackedPixelRowIterator res(*this);
res.dec();
return res;
}
bool operator==(PackedPixelRowIterator const & rhs) const
{
return equal( rhs );
}
bool operator!=(PackedPixelRowIterator const & rhs) const
{
return !equal( rhs );
}
bool operator<(PackedPixelRowIterator const & rhs) const
{
return less(rhs);
}
bool operator<=(PackedPixelRowIterator const & rhs) const
{
return !less(rhs);
}
bool operator>(PackedPixelRowIterator const & rhs) const
{
return rhs.less(*this);
}
bool operator>=(PackedPixelRowIterator const & rhs) const
{
return !rhs.less(*this);
}
difference_type operator-(PackedPixelRowIterator const & rhs) const
{
return (data_ - rhs.data_)*num_intraword_positions + (remainder_ - rhs.remainder_);
}
value_type get() const
{
// TODO(Q3): use traits to get unsigned type for data_type (if
// not already)
return static_cast<unsigned int>(*data_ & mask_) >>
get_shift<num_intraword_positions, bits_per_pixel, MsbFirst>(remainder_);
}
value_type get(difference_type d) const
{
PackedPixelRowIterator tmp(*this);
tmp += d;
return tmp.get();
}
void set( value_type v ) const
{
const value_type pixel_value(
(v <<
get_shift<num_intraword_positions, bits_per_pixel, MsbFirst>(remainder_))
& mask_ );
*data_ = (*data_ & ~mask_) | pixel_value;
}
void set( value_type v, difference_type d ) const
{
PackedPixelRowIterator tmp(*this);
tmp += d;
tmp.set(v);
}
};
template< typename Datatype,
typename Valuetype,
int bits_per_pixel,
bool MsbFirst > class PackedPixelIterator
{
public:
// no reference, no index_reference type here
typedef Datatype data_type;
typedef Valuetype value_type;
typedef vigra::Diff2D difference_type;
typedef image_traverser_tag iterator_category;
typedef PackedPixelRowIterator<data_type,
value_type,
bits_per_pixel,
MsbFirst> row_iterator;
typedef PackedPixelColumnIterator<data_type,
value_type,
bits_per_pixel,
MsbFirst> column_iterator;
typedef data_type* pointer;
typedef int MoveX;
typedef StridedArrayIterator< data_type > MoveY;
enum {
/** The number of pixel within a single data_type value
*/
num_intraword_positions=sizeof(data_type)*8/bits_per_pixel,
/** Bit mask for one pixel (least significant bits)
*/
bit_mask=~(~0 << bits_per_pixel)
};
// TODO(F2): direction of iteration (ImageIterator can be made to
// run backwards)
private:
pointer current() const
{
return y() + (x / num_intraword_positions);
}
pointer current(int dx, int dy) const
{
return y(dy) + ((x+dx)/num_intraword_positions);
}
bool equal(PackedPixelIterator const & rhs) const
{
return (x == rhs.x) && (y == rhs.y);
}
public:
PackedPixelIterator() :
x(0),
y(0)
{}
PackedPixelIterator(pointer base, int ystride) :
x(0),
y(ystride,base)
{}
bool operator==(PackedPixelIterator const & rhs) const
{
return equal(rhs);
}
bool operator!=(PackedPixelIterator const & rhs) const
{
return !equal(rhs);
}
difference_type operator-(PackedPixelIterator const & rhs) const
{
return difference_type(x - rhs.x, y - rhs.y);
}
MoveX x;
MoveY y;
PackedPixelIterator & operator+=(difference_type const & s)
{
x += s.x;
y += s.y;
return *this;
}
PackedPixelIterator & operator-=(difference_type const & s)
{
x -= s.x;
y -= s.y;
return *this;
}
PackedPixelIterator operator+(difference_type const & s) const
{
PackedPixelIterator ret(*this);
ret += s;
return ret;
}
PackedPixelIterator operator-(difference_type const & s) const
{
PackedPixelIterator ret(*this);
ret -= s;
return ret;
}
row_iterator rowIterator() const
{
return row_iterator(current());
}
column_iterator columnIterator() const
{
return column_iterator(MoveY(y,
x / num_intraword_positions),
x % num_intraword_positions);
}
value_type get() const
{
const int remainder( x() % num_intraword_positions );
// TODO(Q3): use traits to get unsigned type for data_type (if
// not already)
return (static_cast<unsigned int>(*current() &
get_mask<data_type, bits_per_pixel, MsbFirst>(remainder))
>> (MsbFirst ?
(num_intraword_positions - remainder) :
remainder));
}
value_type get(difference_type const & d) const
{
const int remainder( x(d.x) % num_intraword_positions );
// TODO(Q3): use traits to get unsigned type for data_type (if
// not already)
return (static_cast<unsigned int>(*current(d.x,d.y) &
get_mask<data_type, bits_per_pixel, MsbFirst>(remainder))
>> get_shift<num_intraword_positions, bits_per_pixel, MsbFirst>(remainder));
}
void set( value_type v ) const
{
const int remainder( x() % num_intraword_positions );
const int mask( get_mask<data_type, bits_per_pixel, MsbFirst>(remainder) );
const value_type pixel_value(
(v <<
get_shift<num_intraword_positions, bits_per_pixel, MsbFirst>(remainder))
& mask );
pointer p = current();
*p = (*p & ~mask) | pixel_value;
}
void set( value_type v, difference_type const & d ) const
{
const int remainder( x(d.x) % num_intraword_positions );
const int mask( get_mask<data_type, bits_per_pixel, MsbFirst>(remainder) );
const value_type pixel_value(
(v <<
get_shift<num_intraword_positions, bits_per_pixel, MsbFirst>(remainder))
& mask );
pointer p = current(d.x,d.y);
*p = (*p & ~mask) | pixel_value;
}
};
/** Access (possibly packed-pixel) data via palette indirection
*/
template< typename Valuetype, typename Datatype > class PaletteImageAccessor
{
public:
typedef Valuetype value_type;
typedef Datatype data_type;
typedef typename remove_const<data_type>::type count_type;
private:
const BitmapColor* palette;
count_type num_entries;
double norm( BitmapColor const& rLHS,
BitmapColor const& rRHS ) const
{
// convert RGBValue's linear space to a normed linear space
return sqrt(
vigra::sq(rLHS.GetRed()-rRHS.GetRed()) +
vigra::sq(rLHS.GetGreen()-rRHS.GetGreen()) +
vigra::sq(rLHS.GetBlue()-rRHS.GetBlue()) );
}
data_type find_best_match(value_type const& v) const
{
// TODO(F3): not generic!!!
const BitmapColor aTmpCol(v.red(),
v.green(),
v.blue());
// TODO(P3): use table-based/octree approach here!
const BitmapColor* best_entry;
const BitmapColor* palette_end( palette+num_entries );
if( (best_entry=std::find( palette, palette_end, aTmpCol)) != palette_end )
return best_entry-palette;
// TODO(F3): HACK. Need palette traits, and an error function
// here. We blatantly assume value_type is a normed linear
// space.
const BitmapColor* curr_entry( palette );
best_entry = curr_entry;
while( curr_entry != palette_end )
{
if( norm(*curr_entry,*best_entry) > norm(*curr_entry,aTmpCol) )
best_entry = curr_entry;
++curr_entry;
}
return best_entry-palette;
}
value_type toCol( BitmapColor const& rCol ) const
{
return value_type(rCol.GetRed(),rCol.GetGreen(),rCol.GetBlue());
}
public:
PaletteImageAccessor() :
palette(0),
num_entries(0)
{}
PaletteImageAccessor( const BitmapColor* pPalette,
data_type entries ) :
palette(pPalette),
num_entries(entries)
{}
template< class Iterator >
value_type operator()(Iterator const& i) const { return toCol(palette[i.get()]); }
value_type operator()(data_type const* i) const { return toCol(palette[*i]); }
template< class Iterator, class Difference >
value_type operator()(Iterator const& i, Difference const& diff) const
{
return toCol(palette[i.get(diff)]);
}
template< typename V, class Iterator >
void set(V const& value, Iterator const& i) const
{
i.set(
find_best_match(
vigra::detail::RequiresExplicitCast<value_type>::cast(value) ));
}
template< typename V, class Iterator, class Difference >
void set(V const& value, Iterator const& i, Difference const& diff) const
{
i.set(
find_best_match(
vigra::detail::RequiresExplicitCast<value_type>::cast(value)),
diff );
}
};
}
class TestApp : public Application
{
public:
virtual void Main();
virtual USHORT Exception( USHORT nError );
};
class TestWindow : public Dialog
{
public:
TestWindow() : Dialog( (Window *) NULL )
{
SetText( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "VIGRA test" )) );
SetSizePixel( Size( 1024, 1024 ) );
EnablePaint( true );
Show();
}
virtual ~TestWindow() {}
virtual void MouseButtonUp( const MouseEvent& /*rMEvt*/ )
{
//TODO: do something cool
EndDialog();
}
virtual void Paint( const Rectangle& rRect );
};
static basegfx::B2IPoint project( const basegfx::B2IPoint& rPoint )
{
const double angle_x = M_PI / 6.0;
const double angle_z = M_PI / 6.0;
// transform planar coordinates to 3d
double x = rPoint.getX();
double y = rPoint.getY();
//double z = 0;
// rotate around X axis
double x1 = x;
double y1 = y * cos( angle_x );
double z1 = y * sin( angle_x );
// rotate around Z axis
double x2 = x1 * cos( angle_z ) + y1 * sin( angle_z );
//double y2 = y1 * cos( angle_z ) - x1 * sin( angle_z );
double z2 = z1;
//return basegfx::B2IPoint( (sal_Int32)3*x2, (sal_Int32)3*z2 );
return basegfx::B2IPoint( (sal_Int32)(6*x2), (sal_Int32)(6*z2) );
}
static basebmp::Color approachColor( const basebmp::Color& rFrom, const basebmp::Color& rTo )
{
basebmp::Color aColor;
UINT8 nDiff;
// approach red
if( rFrom.getRed() < rTo.getRed() )
{
nDiff = rTo.getRed() - rFrom.getRed();
aColor.setRed( rFrom.getRed() + ( nDiff < 10 ? nDiff : 10 ) );
}
else if( rFrom.getRed() > rTo.getRed() )
{
nDiff = rFrom.getRed() - rTo.getRed();
aColor.setRed( rFrom.getRed() - ( nDiff < 10 ? nDiff : 10 ) );
}
else
aColor.setRed( rFrom.getRed() );
// approach Green
if( rFrom.getGreen() < rTo.getGreen() )
{
nDiff = rTo.getGreen() - rFrom.getGreen();
aColor.setGreen( rFrom.getGreen() + ( nDiff < 10 ? nDiff : 10 ) );
}
else if( rFrom.getGreen() > rTo.getGreen() )
{
nDiff = rFrom.getGreen() - rTo.getGreen();
aColor.setGreen( rFrom.getGreen() - ( nDiff < 10 ? nDiff : 10 ) );
}
else
aColor.setGreen( rFrom.getGreen() );
// approach blue
if( rFrom.getBlue() < rTo.getBlue() )
{
nDiff = rTo.getBlue() - rFrom.getBlue();
aColor.setBlue( rFrom.getBlue() + ( nDiff < 10 ? nDiff : 10 ) );
}
else if( rFrom.getBlue() > rTo.getBlue() )
{
nDiff = rFrom.getBlue() - rTo.getBlue();
aColor.setBlue( rFrom.getBlue() - ( nDiff < 10 ? nDiff : 10 ) );
}
else
aColor.setBlue( rFrom.getBlue() );
return aColor;
}
#define DELTA 5.0
void TestWindow::Paint( const Rectangle& /*rRect*/ )
{
basegfx::B2ISize aTestSize(1000,1000);
basebmp::BitmapDeviceSharedPtr pDevice( basebmp::createBitmapDevice( aTestSize,
false,
basebmp::Format::THIRTYTWO_BIT_TC_MASK ));
{
::rtl::OUString aSvg;
basegfx::B2DPolyPolygon aPoly;
basegfx::tools::importFromSvgD( aPoly,
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "m0 0 h7 v7 h-7 z" )) );
basegfx::tools::importFromSvgD( aPoly,
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "m2 2 h3 v3 h-3 z" )) );
pDevice->fillPolyPolygon(
aPoly,
basebmp::Color(0xFFFFFFFF),
basebmp::DrawMode_PAINT );
}
{
basebmp::BitmapDeviceSharedPtr pMask( basebmp::createBitmapDevice( aTestSize,
false,
basebmp::Format::ONE_BIT_MSB_GREY ));
const basegfx::B2IPoint aPt111(10,10);
const basegfx::B2IPoint aPt222(0,10);
const basebmp::Color aCol333(0xFFFFFFFF);
pMask->drawLine( aPt111, aPt222, aCol333, basebmp::DrawMode_PAINT );
::rtl::OUString aSvg( RTL_CONSTASCII_USTRINGPARAM( "m 0 0 h5 l5 5 v5 h-5 l-5-5 z" ));
basegfx::B2DPolyPolygon aPoly;
basegfx::tools::importFromSvgD( aPoly, aSvg );
pMask->clear(basebmp::Color(0xFFFFFFFF));
pMask->drawPolygon(
aPoly.getB2DPolygon(0),
basebmp::Color(0),
basebmp::DrawMode_PAINT );
basebmp::BitmapDeviceSharedPtr pSubsetDevice =
basebmp::subsetBitmapDevice( pDevice,
basegfx::B2IRange(3,3,7,7) );
const basegfx::B2IPoint aPt1(0,0);
const basegfx::B2IPoint aPt2(1,9);
const basebmp::Color aCol(0xFFFFFFFF);
pDevice->drawLine( aPt1, aPt2, aCol, basebmp::DrawMode_PAINT, pMask );
}
{
const basebmp::Color aCol(0xFFFFFFFF);
basegfx::B2DPolygon aRect = basegfx::tools::createPolygonFromRect(
basegfx::B2DRange( 0,0,1001,1001 ));
pDevice->drawPolygon( aRect, aCol, basebmp::DrawMode_PAINT );
const basegfx::B2IPoint aPt1(0,0);
const basegfx::B2IPoint aPt2(0,800);
pDevice->drawLine( aPt1, aPt2, aCol, basebmp::DrawMode_PAINT );
const basegfx::B2IPoint aPt3(0,1001);
pDevice->drawLine( aPt1, aPt3, aCol, basebmp::DrawMode_PAINT );
}
{
pDevice->clear(basebmp::Color(0));
basegfx::B2IPoint aCenter( aTestSize.getX()/2,
aTestSize.getY()/2 );
//basegfx::B2IPoint aP1( aTestSize.getX()/48, 0), aP2( aTestSize.getX()/40, 0 ), aPoint;
//basegfx::B2IPoint aP1( aTestSize.getX()/7, 0), aP2( aTestSize.getX()/6, 0 ), aPoint;
//basegfx::B2IPoint aP1( aTestSize.getX()/5, 0), aP2( aTestSize.getX()/4, 0 ), aPoint;
basegfx::B2IPoint aP1( aTestSize.getX()/12, 0), aP2( aTestSize.getX()/11, 0 ), aPoint;
double sind = sin( DELTA*M_PI/180.0 );
double cosd = cos( DELTA*M_PI/180.0 );
double factor = 1 + (DELTA/1000.0);
int n=0;
basebmp::Color aLineColor( 0, 0, 0 );
basebmp::Color aApproachColor( 0, 0, 200 );
while ( aP2.getX() < aCenter.getX() && n++ < 680 )
{
aLineColor = approachColor( aLineColor, aApproachColor );
// switch aproach color
if( aApproachColor == aLineColor )
{
if( aApproachColor.getRed() )
aApproachColor = basebmp::Color( 0, 0, 200 );
else if( aApproachColor.getGreen() )
aApproachColor = basebmp::Color( 200, 0, 0 );
else
aApproachColor = basebmp::Color( 0, 200, 0 );
}
basegfx::B2DPolygon aPoly;
aPoly.append( basegfx::B2DPoint(project( aP1 ) + aCenter) );
aPoly.append( basegfx::B2DPoint(project( aP2 ) + aCenter) );
pDevice->fillPolyPolygon(
basegfx::tools::createAreaGeometry(
aPoly,
// std::max(1,n/30),
// std::max(1,n/60),
std::max(1,n/30),
basegfx::B2DLINEJOIN_NONE),
aLineColor,
basebmp::DrawMode_PAINT);
aPoint.setX( (int)((((double)aP1.getX())*cosd - ((double)aP1.getY())*sind)*factor) );
aPoint.setY( (int)((((double)aP1.getY())*cosd + ((double)aP1.getX())*sind)*factor) );
aP1 = aPoint;
aPoint.setX( (int)((((double)aP2.getX())*cosd - ((double)aP2.getY())*sind)*factor) );
aPoint.setY( (int)((((double)aP2.getY())*cosd + ((double)aP2.getX())*sind)*factor) );
aP2 = aPoint;
}
}
Bitmap aBitmap( Size(aTestSize.getX(),
aTestSize.getY()), 24 );
// Fill bitmap with generated content
{
Bitmap::ScopedWriteAccess pWriteAccess( aBitmap );
for( int y=0; y<aTestSize.getY(); ++y )
for( int x=0; x<aTestSize.getX(); ++x )
pWriteAccess->SetPixel(y,x,
Color(pDevice->getPixelData(basegfx::B2IPoint(x,y))) );
}
DrawBitmap( Point(), aBitmap );
}
USHORT TestApp::Exception( USHORT nError )
{
switch( nError & EXC_MAJORTYPE )
{
case EXC_RSCNOTLOADED:
Abort( String::CreateFromAscii( "Error: could not load language resources.\nPlease check your installation.\n" ) );
break;
}
return 0;
}
void TestApp::Main()
{
//-------------------------------------------------
// create the global service-manager
//-------------------------------------------------
uno::Reference< lang::XMultiServiceFactory > xFactory;
try
{
uno::Reference< uno::XComponentContext > xCtx = ::cppu::defaultBootstrap_InitialComponentContext();
xFactory = uno::Reference< lang::XMultiServiceFactory >( xCtx->getServiceManager(),
uno::UNO_QUERY );
if( xFactory.is() )
::comphelper::setProcessServiceFactory( xFactory );
}
catch(const uno::Exception& )
{
}
if( !xFactory.is() )
{
OSL_TRACE( "Could not bootstrap UNO, installation must be in disorder. Exiting." );
exit( 1 );
}
// Create UCB.
uno::Sequence< uno::Any > aArgs( 2 );
aArgs[ 0 ] <<= rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( UCB_CONFIGURATION_KEY1_LOCAL ));
aArgs[ 1 ] <<= rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( UCB_CONFIGURATION_KEY2_OFFICE ));
::ucbhelper::ContentBroker::initialize( xFactory, aArgs );
TestWindow pWindow;
pWindow.Execute();
// clean up UCB
::ucbhelper::ContentBroker::deinitialize();
}
TestApp aDemoApp;
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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