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koffice/lib/kwmf/kowmfwrite.cc

457 lines
13 KiB

/* This file is part of the KDE libraries
* Copyright (c) 2003 thierry lorthiois (lorthioist@wanadoo.fr)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <math.h>
#include <tqfile.h>
#include <tqdatastream.h>
#include <kdebug.h>
#include "kowmfstruct.h"
#include "kowmfreadprivate.h"
#include "kowmfwrite.h"
/**
* Private data
*/
class KoWmfWritePrivate
{
public:
TQRect mBBox; // bounding rectangle
int mDpi; // number of point per inch for the default size
int mMaxRecordSize;
// memory allocation for WMF file
TQFile mFileOut;
TQDataStream mSt;
};
KoWmfWrite::KoWmfWrite( const TQString& fileName ) {
d = new KoWmfWritePrivate;
d->mDpi = 1024;
d->mMaxRecordSize = 0;
d->mFileOut.setName( fileName );
}
KoWmfWrite::~KoWmfWrite() {
delete d;
}
void KoWmfWrite::setDefaultDpi( int dpi ) {
d->mDpi = dpi;
}
//-----------------------------------------------------------------------------
// Virtual Painter => create the WMF
bool KoWmfWrite::begin() {
if ( !d->mFileOut.open( IO_WriteOnly ) )
{
kdDebug() << "Cannot open file " << TQString(TQFile::encodeName(d->mFileOut.name())) << endl;
return false;
}
d->mSt.setDevice( &d->mFileOut );
d->mSt.setByteOrder( TQDataStream::LittleEndian );
// reserved placeable and standard header
for ( int i=0 ; i < 10 ; i++ ) {
d->mSt << (TQ_UINT32)0;
}
// initialize the stack of objects
// Pen
d->mSt << (TQ_UINT32)8 << (TQ_UINT16)0x02FA;
d->mSt << (TQ_UINT16)5 << (TQ_UINT16)0 << (TQ_UINT16)0 << (TQ_UINT32)0;
// Brush
d->mSt << (TQ_UINT32)7 << (TQ_UINT16)0x02FC;
d->mSt << (TQ_UINT16)1 << (TQ_UINT32)0 << (TQ_UINT16)0;
for ( int i=0 ; i < 4 ; i++ ) {
d->mSt << (TQ_UINT32)8 << (TQ_UINT16)0x02FA << (TQ_UINT16)0 << (TQ_UINT32)0 << (TQ_UINT32)0;
}
d->mMaxRecordSize = 8;
return true;
}
bool KoWmfWrite::end() {
WmfPlaceableHeader pheader = { 0x9AC6CDD7, 0, 0, 0, 0, 0, 0, 0, 0 };
TQ_UINT16 checksum;
// End of the wmf file
d->mSt << (TQ_UINT32)3 << (TQ_UINT16)0;
// adjust header
pheader.left = d->mBBox.left();
pheader.top = d->mBBox.top();
pheader.right = d->mBBox.right();
pheader.bottom = d->mBBox.bottom();
pheader.inch = d->mDpi;
checksum = KoWmfReadPrivate::calcCheckSum( &pheader );
// write headers
d->mFileOut.at( 0 );
d->mSt << (TQ_UINT32)0x9AC6CDD7 << (TQ_UINT16)0;
d->mSt << (TQ_INT16)d->mBBox.left() << (TQ_INT16)d->mBBox.top() << (TQ_INT16)d->mBBox.right() << (TQ_INT16)d->mBBox.bottom();
d->mSt << (TQ_UINT16)d->mDpi << (TQ_UINT32)0 << checksum;
d->mSt << (TQ_UINT16)1 << (TQ_UINT16)9 << (TQ_UINT16)0x300 << (TQ_UINT32)(d->mFileOut.size()/2);
d->mSt << (TQ_UINT16)6 << (TQ_UINT32)d->mMaxRecordSize << (TQ_UINT16)0;
d->mFileOut.close();
return true;
}
void KoWmfWrite::save() {
d->mSt << (TQ_UINT32)3 << (TQ_UINT16)0x001E;
}
void KoWmfWrite::restore() {
d->mSt << (TQ_UINT32)4 << (TQ_UINT16)0x0127 << (TQ_UINT16)1;
}
void KoWmfWrite::setPen( const TQPen &pen ) {
int style;
int max = sizeof(koWmfStylePen) / sizeof(TQt::SolidLine);
// we can't delete an object currently selected
// select another object
d->mSt << (TQ_UINT32)4 << (TQ_UINT16)0x012D << (TQ_UINT16)0;
// delete object
d->mSt << (TQ_UINT32)4 << (TQ_UINT16)0x01f0 << (TQ_UINT16)2;
for ( style=0 ; style < max ; style++ ) {
if ( koWmfStylePen[ style ] == pen.style() ) break;
}
if ( style == max ) {
// SolidLine
style = 0;
}
d->mSt << (TQ_UINT32)8 << (TQ_UINT16)0x02FA;
d->mSt << (TQ_UINT16)style << (TQ_UINT16)pen.width() << (TQ_UINT16)0 << (TQ_UINT32)winColor( pen.color() );
// select object
d->mSt << (TQ_UINT32)4 << (TQ_UINT16)0x012D << (TQ_UINT16)2;
}
void KoWmfWrite::setBrush( const TQBrush &brush ) {
int style;
int max = sizeof(koWmfStyleBrush) / sizeof(TQt::NoBrush);
// we can't delete an object currently selected
// select another object
d->mSt << (TQ_UINT32)4 << (TQ_UINT16)0x012D << (TQ_UINT16)1;
// delete object
d->mSt << (TQ_UINT32)4 << (TQ_UINT16)0x01f0 << (TQ_UINT16)3;
for ( style=0 ; style < max ; style++ ) {
if ( koWmfStyleBrush[ style ] == brush.style() ) break;
}
if ( style == max ) {
// SolidPattern
style = 0;
}
d->mSt << (TQ_UINT32)7 << (TQ_UINT16)0x02FC;
d->mSt << (TQ_UINT16)style << (TQ_UINT32)winColor( brush.color() ) << (TQ_UINT16)0;
// select object
d->mSt << (TQ_UINT32)4 << (TQ_UINT16)0x012D << (TQ_UINT16)3;
}
void KoWmfWrite::setFont( const TQFont & ) {
}
void KoWmfWrite::setBackgroundColor( const TQColor &c ) {
d->mSt << (TQ_UINT32)5 << (TQ_UINT16)0x0201 << (TQ_UINT32)winColor( c );
}
void KoWmfWrite::setBackgroundMode( Qt::BGMode mode ) {
d->mSt << (TQ_UINT32)4 << (TQ_UINT16)0x0102;
if ( mode == Qt::TransparentMode )
d->mSt << (TQ_UINT16)1;
else
d->mSt << (TQ_UINT16)0;
}
void KoWmfWrite::setRasterOp( TQt::RasterOp op ) {
d->mSt << (TQ_UINT32)5 << (TQ_UINT16)0x0104 << (TQ_UINT32)qtRasterToWin32( op );
}
void KoWmfWrite::setWindow( int left, int top, int width, int height ) {
d->mBBox.setRect( left, top, width, height );
// windowOrg
d->mSt << (TQ_UINT32)5 << (TQ_UINT16)0x020B << (TQ_UINT16)top << (TQ_UINT16)left;
// windowExt
d->mSt << (TQ_UINT32)5 << (TQ_UINT16)0x020C << (TQ_UINT16)height << (TQ_UINT16)width;
}
void KoWmfWrite::setClipRegion( const TQRegion & ) {
}
void KoWmfWrite::clipping( bool enable ) {
if ( !enable ) {
// clipping region == bounding rectangle
setClipRegion( d->mBBox );
}
}
void KoWmfWrite::moveTo( int left, int top ) {
d->mSt << (TQ_UINT32)5 << (TQ_UINT16)0x0214 << (TQ_UINT16)top << (TQ_UINT16)left;
}
void KoWmfWrite::lineTo( int left, int top ) {
d->mSt << (TQ_UINT32)5 << (TQ_UINT16)0x0213 << (TQ_UINT16)top << (TQ_UINT16)left;
}
void KoWmfWrite::drawRect( int left, int top, int width, int height ) {
TQRect rec( left, top, width, height );
d->mSt << (TQ_UINT32)7 << (TQ_UINT16)0x041B;
d->mSt << (TQ_UINT16)rec.bottom() << (TQ_UINT16)rec.right() << (TQ_UINT16)rec.top() << (TQ_UINT16)rec.left();
}
void KoWmfWrite::drawRoundRect( int left, int top, int width, int height , int roudw, int roudh ) {
int widthCorner, heightCorner;
TQRect rec( left, top, width, height );
// convert percentage (roundw, roudh) in (widthCorner, heightCorner)
widthCorner = ( roudw * width ) / 100;
heightCorner = ( roudh * height ) / 100;
d->mSt << (TQ_UINT32)9 << (TQ_UINT16)0x061C << (TQ_UINT16)heightCorner << (TQ_UINT16)widthCorner;
d->mSt << (TQ_UINT16)rec.bottom() << (TQ_UINT16)rec.right() << (TQ_UINT16)rec.top() << (TQ_UINT16)rec.left();
d->mMaxRecordSize = TQMAX( d->mMaxRecordSize, 9 );
}
void KoWmfWrite::drawEllipse( int left, int top, int width, int height ) {
TQRect rec( left, top, width, height );
d->mSt << (TQ_UINT32)7 << (TQ_UINT16)0x0418;
d->mSt << (TQ_UINT16)rec.bottom() << (TQ_UINT16)rec.right() << (TQ_UINT16)rec.top() << (TQ_UINT16)rec.left();
}
void KoWmfWrite::drawArc( int left, int top, int width, int height , int a, int alen ) {
int xCenter, yCenter;
int offXStart, offYStart, offXEnd, offYEnd;
angleToxy( offXStart, offYStart, offXEnd, offYEnd, a, alen );
xCenter = left + (width / 2);
yCenter = top + (height / 2);
d->mSt << (TQ_UINT32)11 << (TQ_UINT16)0x0817;
d->mSt << (TQ_UINT16)(yCenter + offYEnd) << (TQ_UINT16)(xCenter + offXEnd);
d->mSt << (TQ_UINT16)(yCenter + offYStart) << (TQ_UINT16)(xCenter + offXStart);
d->mSt << (TQ_UINT16)(top + height) << (TQ_UINT16)(left + width);
d->mSt << (TQ_UINT16)top << (TQ_UINT16)left;
d->mMaxRecordSize = TQMAX( d->mMaxRecordSize, 11 );
}
void KoWmfWrite::drawPie( int left, int top, int width, int height , int a, int alen ) {
int xCenter, yCenter;
int offXStart, offYStart, offXEnd, offYEnd;
angleToxy( offXStart, offYStart, offXEnd, offYEnd, a, alen );
xCenter = left + (width / 2);
yCenter = top + (height / 2);
d->mSt << (TQ_UINT32)11 << (TQ_UINT16)0x081A;
d->mSt << (TQ_UINT16)(yCenter + offYEnd) << (TQ_UINT16)(xCenter + offXEnd);
d->mSt << (TQ_UINT16)(yCenter + offYStart) << (TQ_UINT16)(xCenter + offXStart);
d->mSt << (TQ_UINT16)(top + height) << (TQ_UINT16)(left + width);
d->mSt << (TQ_UINT16)top << (TQ_UINT16)left;
d->mMaxRecordSize = TQMAX( d->mMaxRecordSize, 11 );
}
void KoWmfWrite::drawChord( int left, int top, int width, int height , int a, int alen ) {
int xCenter, yCenter;
int offXStart, offYStart, offXEnd, offYEnd;
angleToxy( offXStart, offYStart, offXEnd, offYEnd, a, alen );
xCenter = left + (width / 2);
yCenter = top + (height / 2);
d->mSt << (TQ_UINT32)11 << (TQ_UINT16)0x0830;
d->mSt << (TQ_UINT16)(yCenter + offYEnd) << (TQ_UINT16)(xCenter + offXEnd);
d->mSt << (TQ_UINT16)(yCenter + offYStart) << (TQ_UINT16)(xCenter + offXStart);
d->mSt << (TQ_UINT16)(top + height) << (TQ_UINT16)(left + width);
d->mSt << (TQ_UINT16)top << (TQ_UINT16)left;
d->mMaxRecordSize = TQMAX( d->mMaxRecordSize, 11 );
}
void KoWmfWrite::drawPolyline( const TQPointArray &pa ) {
int size = 4 + (pa.size() * 2);
d->mSt << (TQ_UINT32)size << (TQ_UINT16)0x0325 << (TQ_UINT16)pa.size();
pointArray( pa );
d->mMaxRecordSize = TQMAX( d->mMaxRecordSize, size );
}
void KoWmfWrite::drawPolygon( const TQPointArray &pa, bool ) {
int size = 4 + (pa.size() * 2);
d->mSt << (TQ_UINT32)size << (TQ_UINT16)0x0324 << (TQ_UINT16)pa.size();
pointArray( pa );
d->mMaxRecordSize = TQMAX( d->mMaxRecordSize, size );
}
void KoWmfWrite::drawPolyPolygon( TQPtrList<TQPointArray>& listPa, bool ) {
TQPointArray *pa;
int sizeArrayPoly = 0;
for ( pa = listPa.first() ; pa ; pa = listPa.next() ) {
sizeArrayPoly += (pa->size() * 2);
}
int size = 4 + listPa.count() + sizeArrayPoly;
d->mSt << (TQ_UINT32)size << (TQ_UINT16)0x0538 << (TQ_UINT16)listPa.count();
// number of point for each Polygon
for ( pa = listPa.first() ; pa ; pa = listPa.next() ) {
d->mSt << (TQ_UINT16)pa->size();
}
// list of points
for ( pa = listPa.first() ; pa ; pa = listPa.next() ) {
pointArray( *pa );
}
d->mMaxRecordSize = TQMAX( d->mMaxRecordSize, size );
}
void KoWmfWrite::drawImage( int , int , const TQImage &, int , int , int , int ) {
/*
TQImage img;
img = image;
img.setFormat( "BMP" );
TQIODevice io = img.ioDevice();
io.at( 14 ); // skip the BMP header
d->mSt << io.readAll();
*/
}
void KoWmfWrite::drawText( int , int , int , int , int , const TQString& , double ) {
// d->mSt << (TQ_UINT32)3 << (TQ_UINT16)0x0A32;
}
//-----------------------------------------------------------------------------
// Utilities and conversion TQt --> Wmf
void KoWmfWrite::pointArray( const TQPointArray &pa ) {
int left, top, i, max;
for ( i=0, max=pa.size() ; i < max ; i++ ) {
pa.point( i, &left, &top );
d->mSt << (TQ_INT16)left << (TQ_INT16)top;
}
}
TQ_UINT32 KoWmfWrite::winColor( TQColor color ) {
TQ_UINT32 c;
c = (color.red() & 0xFF);
c += ( (color.green() & 0xFF) << 8 );
c += ( (color.blue() & 0xFF) << 16 );
return c;
}
void KoWmfWrite::angleToxy( int &xStart, int &yStart, int &xEnd, int &yEnd, int a, int alen ) {
double angleStart, angleLength;
angleStart = ((double)a * 3.14166) / 2880;
angleLength = ((double)alen * 3.14166) / 2880;
xStart = (int)(cos(angleStart) * 50);
yStart = -(int)(sin(angleStart) * 50);
xEnd = (int)(cos(angleLength) * 50);
yEnd = -(int)(sin(angleLength) * 50);
}
TQ_UINT16 KoWmfWrite::qtRasterToWin16( TQt::RasterOp op ) const {
int i;
for ( i=0 ; i < 17 ; i++ ) {
if ( koWmfOpTab16[ i ] == op ) break;
}
if ( i < 17 )
return (TQ_UINT16)i;
else
return (TQ_UINT16)0;
}
TQ_UINT32 KoWmfWrite::qtRasterToWin32( TQt::RasterOp op ) const {
int i;
for ( i=0 ; i < 15 ; i++ ) {
if ( koWmfOpTab32[ i ].qtRasterOp == op ) break;
}
if ( i < 15 )
return koWmfOpTab32[ i ].winRasterOp;
else
return koWmfOpTab32[ 0 ].winRasterOp;
}