/* Windows Meta File Loader/Painter Class Implementation
*
* Copyright ( C ) 1998 Stefan Taferner
* Modified 2002 thierry lorthiois
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or ( at your
* option ) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABLILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details. You should have received a copy
* of the GNU General Public License along with this program; if not, write
* to the Free Software Foundation, Inc, 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <math.h>
#include <assert.h>
#include <tqfileinfo.h>
#include <tqpixmap.h>
#include <tqpainter.h>
#include <tqdatastream.h>
#include <tqapplication.h>
#include <tqbuffer.h>
#include <kdebug.h>
bool qwmfDebug = false;
#include "qwmf.h"
#include "wmfstruct.h"
#include "metafuncs.h"
#define TQWMF_DEBUG 0
class WmfCmd
{
public:
~WmfCmd() { if ( next ) delete next; }
WmfCmd* next;
unsigned short funcIndex;
long numParm;
short* parm;
};
class WinObjHandle
{
public:
virtual void apply( TQPainter& p ) = 0;
};
class WinObjBrushHandle: public WinObjHandle
{
public:
virtual void apply( TQPainter& p );
TQBrush brush;
virtual ~WinObjBrushHandle() {};
};
class WinObjPenHandle: public WinObjHandle
{
public:
virtual void apply( TQPainter& p );
TQPen pen;
virtual ~WinObjPenHandle() {};
};
class WinObjPatternBrushHandle: public WinObjHandle
{
public:
virtual void apply( TQPainter& p );
TQBrush brush;
TQPixmap image;
virtual ~WinObjPatternBrushHandle() {};
};
class WinObjFontHandle: public WinObjHandle
{
public:
virtual void apply( TQPainter& p );
TQFont font;
int rotation;
virtual ~WinObjFontHandle() {};
};
void WinObjBrushHandle::apply( TQPainter& p )
{
p.setBrush( brush );
}
void WinObjPenHandle::apply( TQPainter& p )
{
p.setPen( pen );
}
void WinObjPatternBrushHandle::apply( TQPainter& p )
{
p.setBrush( brush );
}
void WinObjFontHandle::apply( TQPainter& p )
{
p.setFont( font );
}
#define MAX_OBJHANDLE 64
//-----------------------------------------------------------------------------
TQWinMetaFile::TQWinMetaFile()
{
mValid = false;
mFirstCmd = NULL;
mObjHandleTab = NULL;
mDpi = 1000;
}
//-----------------------------------------------------------------------------
TQWinMetaFile::~TQWinMetaFile()
{
if ( mFirstCmd ) delete mFirstCmd;
if ( mObjHandleTab ) delete[] mObjHandleTab;
}
//-----------------------------------------------------------------------------
bool TQWinMetaFile::load( const TQString &filename )
{
TQFile file( filename );
if ( !file.exists() )
{
kdDebug() << TQString("File ") << TQString(TQFile::encodeName(filename)) << TQString(" does not exist") << endl;
return false;
}
if ( !file.open( IO_ReadOnly ) )
{
kdDebug() << TQString("Cannot open file ") << TQString(TQFile::encodeName(filename)) << endl;
return false;
}
TQByteArray ba = file.readAll();
file.close();
TQBuffer buffer( ba );
buffer.open( IO_ReadOnly );
return load( buffer );
}
//-----------------------------------------------------------------------------
bool TQWinMetaFile::load( TQBuffer &buffer )
{
TQDataStream st;
WmfEnhMetaHeader eheader;
WmfMetaHeader header;
WmfPlaceableHeader pheader;
WORD checksum;
int filePos, idx, i;
WmfCmd *cmd, *last;
DWORD rdSize;
WORD rdFunc;
mTextAlign = 0;
mRotation = 0;
mTextColor = TQt::black;
if ( mFirstCmd ) delete mFirstCmd;
mFirstCmd = NULL;
st.setDevice( &buffer );
st.setByteOrder( TQDataStream::LittleEndian ); // Great, I love TQt !
//----- Read placeable metafile header
st >> pheader.key;
mIsPlaceable = ( pheader.key==( DWORD )APMHEADER_KEY );
if ( mIsPlaceable )
{
st >> pheader.hmf;
st >> pheader.bbox.left;
st >> pheader.bbox.top;
st >> pheader.bbox.right;
st >> pheader.bbox.bottom;
st >> pheader.inch;
st >> pheader.reserved;
st >> pheader.checksum;
checksum = calcCheckSum( &pheader );
if ( pheader.checksum!=checksum ) mIsPlaceable = false;
mDpi = pheader.inch;
mBBox.setLeft( pheader.bbox.left );
mBBox.setTop( pheader.bbox.top );
mBBox.setRight( pheader.bbox.right );
mBBox.setBottom( pheader.bbox.bottom );
mHeaderBoundingBox = mBBox;
if ( TQWMF_DEBUG )
{
kdDebug() << endl << "-------------------------------------------------" << endl;
kdDebug() << "WMF Placeable Header ( " << static_cast<int>(sizeof( pheader ) ) << "):" << endl;
kdDebug() << " bbox=( " << mBBox.left() << "; " << mBBox.top() << "; " << mBBox.width()
<< "; " << mBBox.height() << ")" << endl;
kdDebug() << " inch=" << pheader.inch << endl;
kdDebug() << " checksum=" << pheader.checksum << "( "
<< (pheader.checksum==checksum?"ok":"wrong") << " )" << endl;
}
}
else buffer.at( 0 );
//----- Read as enhanced metafile header
filePos = buffer.at();
st >> eheader.iType;
st >> eheader.nSize;
st >> eheader.rclBounds.left;
st >> eheader.rclBounds.top;
st >> eheader.rclBounds.right;
st >> eheader.rclBounds.bottom;
st >> eheader.rclFrame.left;
st >> eheader.rclFrame.top;
st >> eheader.rclFrame.right;
st >> eheader.rclFrame.bottom;
st >> eheader.dSignature;
mIsEnhanced = ( eheader.dSignature==ENHMETA_SIGNATURE );
if ( mIsEnhanced ) // is it really enhanced ?
{
st >> eheader.nVersion;
st >> eheader.nBytes;
st >> eheader.nRecords;
st >> eheader.nHandles;
st >> eheader.sReserved;
st >> eheader.nDescription;
st >> eheader.offDescription;
st >> eheader.nPalEntries;
st >> eheader.szlDevice.width;
st >> eheader.szlDevice.height;
st >> eheader.szlMillimeters.width;
st >> eheader.szlMillimeters.height;
if ( TQWMF_DEBUG )
{
kdDebug() << endl << "-------------------------------------------------" << endl;
kdDebug() << "WMF Extended Header:" << endl;
kdDebug() << " iType=" << eheader.iType << endl;
kdDebug() << " nSize=" << eheader.nSize << endl;
kdDebug() << " rclBounds=( " << eheader.rclBounds.left << "; " << eheader.rclBounds.top << "; "
<< eheader.rclBounds.right << "; " << eheader.rclBounds.bottom << ")" << endl;
kdDebug() << " rclFrame=( " << eheader.rclFrame.left << "; " << eheader.rclFrame.top << "; "
<< eheader.rclFrame.right << "; " << eheader.rclFrame.bottom << ")" << endl;
kdDebug() << " nBytes=" << eheader.nBytes << endl;
kdDebug() << "\nNOT YET IMPLEMENTED, SORRY." << endl;
}
}
else // no, not enhanced
{
//----- Read as standard metafile header
buffer.at( filePos );
st >> header.mtType;
st >> header.mtHeaderSize;
st >> header.mtVersion;
st >> header.mtSize;
st >> header.mtNoObjects;
st >> header.mtMaxRecord;
st >> header.mtNoParameters;
if ( TQWMF_DEBUG ) {
kdDebug() << "WMF Header: " << "mtSize=" << header.mtSize << endl;
}
}
//----- Test header validity
mValid = ((header.mtHeaderSize == 9) && (header.mtNoParameters == 0)) || mIsEnhanced || mIsPlaceable;
if ( mValid )
{
//----- Read Metafile Records
last = NULL;
rdFunc = -1;
while ( !st.eof() && (rdFunc != 0) )
{
st >> rdSize;
st >> rdFunc;
idx = findFunc( rdFunc );
rdSize -= 3;
cmd = new WmfCmd;
cmd->next = NULL;
if ( last ) last->next = cmd;
else mFirstCmd = cmd;
cmd->funcIndex = idx;
cmd->numParm = rdSize;
cmd->parm = new WORD[ rdSize ];
last = cmd;
for ( i=0; i<rdSize && !st.eof(); i++ )
st >> cmd->parm[ i ];
if ( rdFunc == 0x020B ) { // SETWINDOWORG: dimensions
mBBox.setLeft( cmd->parm[ 1 ] );
mBBox.setTop( cmd->parm[ 0 ] );
}
if ( rdFunc == 0x020C ) { // SETWINDOWEXT: dimensions
mBBox.setWidth( cmd->parm[ 1 ] );
mBBox.setHeight( cmd->parm[ 0 ] );
}
if ( i<rdSize )
{
kdDebug() << "WMF : file truncated !" << endl;
return false;
}
}
//----- Test records validities
mValid = (rdFunc == 0) && (mBBox.width() != 0) && (mBBox.height() != 0);
if ( !mValid ) {
kdDebug() << "WMF : incorrect file format !" << endl;
}
}
else {
kdDebug() << "WMF Header : incorrect header !" << endl;
}
buffer.close();
return mValid;
}
//-----------------------------------------------------------------------------
bool TQWinMetaFile::paint( const TQPaintDevice* aTarget, bool absolute )
{
int idx, i;
WmfCmd* cmd;
if ( !mValid ) return false;
assert( aTarget!=NULL );
if ( mPainter.isActive() ) return false;
if ( mObjHandleTab ) delete[] mObjHandleTab;
mObjHandleTab = new WinObjHandle* [ MAX_OBJHANDLE ];
for ( i=MAX_OBJHANDLE-1; i>=0; i-- )
mObjHandleTab[ i ] = NULL;
mPainter.resetXForm();
mWinding = false;
mAbsoluteCoord = absolute;
mPainter.begin( TQT_TQPAINTDEVICE(const_cast<TQPaintDevice*>(aTarget)) );
if ( TQWMF_DEBUG ) {
kdDebug() << "Bounding box : " << mBBox.left()
<< " " << mBBox.top() << " " << mBBox.right() << " " << mBBox.bottom() << endl;
}
if ( mAbsoluteCoord ) {
mPainter.setWindow( mBBox.top(), mBBox.left(), mBBox.width(), mBBox.height() );
}
mInternalWorldMatrix.reset();
for ( cmd=mFirstCmd; cmd; cmd=cmd->next )
{
idx = cmd->funcIndex;
( this->*metaFuncTab[ idx ].method )( cmd->numParm, cmd->parm );
if ( TQWMF_DEBUG ) {
TQString str = "", param;
if ( metaFuncTab[ idx ].name == NULL ) {
str += "UNKNOWN ";
}
if ( metaFuncTab[ idx ].method == &TQWinMetaFile::noop ) {
str += "UNIMPLEMENTED ";
}
str += metaFuncTab[ idx ].name;
str += " : ";
for ( i=0 ; i < cmd->numParm ; i++ ) {
param.setNum( cmd->parm[ i ] );
str += param;
str += " ";
}
kdDebug() << str << endl;
}
}
/*
// TODO: cleanup this code when TQPicture::setBoundingBox() is possible in KOClipart (QT31)
// because actually TQPicture::boundingBox() != mBBox()
mWindowsCoord += 1;
if ( mWindowsCoord == 2 ) {
kdDebug() << "DRAW ANGLES " << endl;
mPainter.setPen( TQt::white );
mPainter.drawPoint( mBBox.left(), mBBox.top() );
mPainter.drawPoint( mBBox.right(), mBBox.bottom() );
}
*/
mPainter.end();
return true;
}
//----------------s-------------------------------------------------------------
// Metafile painter methods
//-----------------------------------------------------------------------------
void TQWinMetaFile::setWindowOrg( long, short* parm )
{
if ( mAbsoluteCoord ) {
TQRect r = mPainter.window();
mPainter.setWindow( parm[ 1 ], parm[ 0 ], r.width(), r.height() );
}
else {
double dx = mInternalWorldMatrix.dx();
double dy = mInternalWorldMatrix.dy();
mInternalWorldMatrix.translate( -dx, -dy );
mInternalWorldMatrix.translate( -parm[ 1 ], -parm[ 0 ] );
mPainter.translate( -dx, -dy );
mPainter.translate( -parm[ 1 ], -parm[ 0 ] );
}
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::setWindowExt( long, short* parm )
{
// negative value allowed for width and height : TQABS() forbidden
if ( mAbsoluteCoord ) {
TQRect r = mPainter.window();
mPainter.setWindow( r.left(), r.top(), parm[ 1 ], parm[ 0 ] );
}
else {
if ( (parm[ 0 ] != 0) && (parm[ 1 ] != 0) ) {
TQRect r = mPainter.window();
double dx = mInternalWorldMatrix.dx();
double dy = mInternalWorldMatrix.dy();
double sx = mInternalWorldMatrix.m11();
double sy = mInternalWorldMatrix.m22();
mInternalWorldMatrix.translate( -dx, -dy );
mInternalWorldMatrix.scale( 1/sx, 1/sy );
mPainter.translate( -dx, -dy );
mPainter.scale( 1/sx, 1/sy );
sx = (double)r.width() / (double)parm[ 1 ];
sy = (double)r.height() / (double)parm[ 0 ];
mInternalWorldMatrix.scale( sx, sy );
mInternalWorldMatrix.translate( dx, dy );
mPainter.scale( sx, sy );
mPainter.translate( dx, dy );
}
}
}
//-----------------------------------------------------------------------------
// Drawing
//-----------------------------------------------------------------------------
void TQWinMetaFile::lineTo( long, short* parm )
{
mPainter.lineTo( parm[ 1 ], parm[ 0 ] );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::moveTo( long, short* parm )
{
mPainter.moveTo( parm[ 1 ], parm[ 0 ] );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::ellipse( long, short* parm )
{
mPainter.drawEllipse( parm[ 3 ], parm[ 2 ], parm[ 1 ]-parm[ 3 ], parm[ 0 ]-parm[ 2 ] );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::polygon( long, short* parm )
{
TQPointArray* pa;
pa = pointArray( parm[ 0 ], &parm[ 1 ] );
mPainter.drawPolygon( *pa, mWinding );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::polyPolygon( long, short* parm )
{
TQRegion region;
int i, j, startPolygon;
mPainter.save();
// define clipping region
TQRect win = bbox();
startPolygon = 1+parm[ 0 ];
for ( i=0 ; i < parm[ 0 ] ; i++ ) {
TQPointArray pa1( parm[ 1+i ] );
for ( j=0 ; j < parm[ 1+i ] ; j++) {
pa1.setPoint ( j, parm[ startPolygon ], parm[ startPolygon+1 ] );
startPolygon += 2;
}
TQRegion r( pa1 );
region = region.eor( r );
}
mPainter.setClipRegion( region, TQPainter::CoordPainter );
// fill polygons
mPainter.fillRect( win.left(), win.top(), win.width(), win.height(), mPainter.brush() );
// draw polygon's border if necessary
if ( mPainter.pen().style() != TQt::NoPen ) {
mPainter.setClipping( false );
mPainter.setBrush( TQt::NoBrush );
TQPointArray* pa;
int idxPolygon = 1 + parm[ 0 ];
for ( i=0 ; i < parm[ 0 ] ; i++ ) {
pa = pointArray( parm[ 1+i ], &parm[ idxPolygon ] );
mPainter.drawPolygon( *pa );
idxPolygon += parm[ 1+i ] * 2;
}
}
mPainter.restore();
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::polyline( long, short* parm )
{
TQPointArray* pa;
pa = pointArray( parm[ 0 ], &parm[ 1 ] );
mPainter.drawPolyline( *pa );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::rectangle( long, short* parm )
{
mPainter.drawRect( parm[ 3 ], parm[ 2 ], parm[ 1 ]-parm[ 3 ], parm[ 0 ]-parm[ 2 ] );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::roundRect( long, short* parm )
{
int xRnd = 0, yRnd = 0;
// convert (xRound, yRound) in percentage
if ( (parm[ 3 ] - parm[ 5 ]) != 0 )
xRnd = (parm[ 1 ] * 100) / (parm[ 3 ] - parm[ 5 ]) ;
if ( (parm[ 2 ] - parm[ 4 ]) != 0 )
yRnd = (parm[ 0 ] * 100) / (parm[ 2 ] - parm[ 4 ]) ;
mPainter.drawRoundRect( parm[ 5 ], parm[ 4 ], parm[ 3 ]-parm[ 5 ], parm[ 2 ]-parm[ 4 ], xRnd, yRnd );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::arc( long, short* parm )
{
int xCenter, yCenter, angleStart, aLength;
xCenter = parm[ 7 ] + ((parm[ 5 ] - parm[ 7 ]) / 2);
yCenter = parm[ 6 ] + ((parm[ 4 ] - parm[ 6 ]) / 2);
xyToAngle ( parm[ 3 ] - xCenter, yCenter - parm[ 2 ], parm[ 1 ] - xCenter, yCenter - parm[ 0 ], angleStart, aLength );
mPainter.drawArc( parm[ 7 ], parm[ 6 ], parm[ 5 ]-parm[ 7 ], parm[ 4 ]-parm[ 6 ], angleStart, aLength);
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::chord( long, short* parm )
{
int xCenter, yCenter, angleStart, aLength;
xCenter = parm[ 7 ] + ((parm[ 5 ] - parm[ 7 ]) / 2);
yCenter = parm[ 6 ] + ((parm[ 4 ] - parm[ 6 ]) / 2);
xyToAngle ( parm[ 3 ] - xCenter, yCenter - parm[ 2 ], parm[ 1 ] - xCenter, yCenter - parm[ 0 ], angleStart, aLength );
mPainter.drawChord( parm[ 7 ], parm[ 6 ], parm[ 5 ]-parm[ 7 ], parm[ 4 ]-parm[ 6 ], angleStart, aLength);
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::pie( long, short* parm )
{
int xCenter, yCenter, angleStart, aLength;
xCenter = parm[ 7 ] + ((parm[ 5 ] - parm[ 7 ]) / 2);
yCenter = parm[ 6 ] + ((parm[ 4 ] - parm[ 6 ]) / 2);
xyToAngle ( parm[ 3 ] - xCenter, yCenter - parm[ 2 ], parm[ 1 ] - xCenter, yCenter - parm[ 0 ], angleStart, aLength );
mPainter.drawPie( parm[ 7 ], parm[ 6 ], parm[ 5 ]-parm[ 7 ], parm[ 4 ]-parm[ 6 ], angleStart, aLength);
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::setPolyFillMode( long, short* parm )
{
mWinding = parm[ 0 ];
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::setBkColor( long, short* parm )
{
mPainter.setBackgroundColor( color( parm ) );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::setBkMode( long, short* parm )
{
if ( parm[ 0 ]==1 ) mPainter.setBackgroundMode( Qt::TransparentMode );
else mPainter.setBackgroundMode( Qt::OpaqueMode );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::setPixel( long, short* parm )
{
TQPen pen = mPainter.pen();
mPainter.setPen( color( parm ) );
mPainter.drawPoint( parm[ 3 ], parm[ 2 ] );
mPainter.setPen( pen );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::setRop( long, short* parm )
{
mPainter.setRasterOp( winToTQtRaster( parm[ 0 ] ) );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::saveDC( long, short* )
{
mPainter.save();
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::restoreDC( long, short *parm )
{
for ( int i=0; i > parm[ 0 ] ; i-- )
mPainter.restore();
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::intersectClipRect( long, short* parm )
{
/* TODO: better implementation : need QT 3.0.2
TQRegion region = mPainter.clipRegion();
if ( region.isEmpty() )
region = bbox();
*/
TQRegion region( bbox() );
TQRegion newRegion( parm[ 3 ], parm[ 2 ], parm[ 1 ] - parm[ 3 ], parm[ 0 ] - parm[ 2 ] );
region = region.intersect( newRegion );
mPainter.setClipRegion( region, TQPainter::CoordPainter );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::excludeClipRect( long, short* parm )
{
/* TODO: better implementation : need QT 3.0.2
TQRegion region = mPainter.clipRegion();
if ( region.isEmpty() )
region = bbox();
*/
TQRegion region( bbox() );
TQRegion newRegion( parm[ 3 ], parm[ 2 ], parm[ 1 ] - parm[ 3 ], parm[ 0 ] - parm[ 2 ] );
region = region.subtract( newRegion );
mPainter.setClipRegion( region, TQPainter::CoordPainter );
}
//-----------------------------------------------------------------------------
// Text
//-----------------------------------------------------------------------------
void TQWinMetaFile::setTextColor( long, short* parm )
{
mTextColor = color( parm );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::setTextAlign( long, short* parm )
{
mTextAlign = parm[ 0 ];
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::textOut( long num, short* parm )
{
short *copyParm = new short[ num + 1 ];
// re-order parameters
int idxOffset = (parm[ 0 ] / 2) + 1 + (parm[ 0 ] & 1);
copyParm[ 0 ] = parm[ idxOffset ];
copyParm[ 1 ] = parm[ idxOffset + 1 ];
copyParm[ 2 ] = parm[ 0 ];
copyParm[ 3 ] = 0;
memcpy( ©Parm[ 4 ], &parm[ 1 ], parm[ 0 ] );
extTextOut( num + 1, copyParm );
delete [] copyParm;
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::extTextOut( long num, short* parm )
{
char* ptStr;
int x, y, width, height;
int idxOffset;
if ( parm[ 3 ] != 0 ) // ETO_CLIPPED flag add 4 parameters
ptStr = (char*)&parm[ 8 ];
else
ptStr = (char*)&parm[ 4 ];
TQCString text( ptStr, parm[ 2 ] + 1 );
TQFontMetrics fm( mPainter.font() );
width = fm.width( text ) + fm.descent(); // because fm.width(text) isn't rigth with Italic text
height = fm.height();
mPainter.save();
if ( mTextAlign & 0x01 ) { // (left, top) position = current logical position
TQPoint pos = mPainter.pos();
x = pos.x();
y = pos.y();
}
else { // (left, top) position = parameters
x = parm[ 1 ];
y = parm[ 0 ];
}
if ( mRotation ) {
mPainter.translate( parm[ 1 ], parm[ 0 ]);
mPainter.rotate ( mRotation );
mPainter.translate( -parm[ 1 ], -parm[ 0 ] );
}
// alignment
if ( mTextAlign & 0x06 )
x -= ( width / 2 );
if ( mTextAlign & 0x08 )
y -= (height - fm.descent());
mPainter.setPen( mTextColor );
idxOffset = (parm[ 2 ] / 2) + 4 + (parm[ 2 ] & 1);
if ( ( parm[ 2 ] > 1 ) && ( num >= (idxOffset + parm[ 2 ]) ) && ( parm[ 3 ] == 0 ) ) {
// offset for each char
int left = x;
mPainter.drawText( left, y, width, height, TQt::AlignLeft | TQt::AlignTop, text.mid(0, 1) );
for ( int i = 1; i < parm[ 2 ] ; i++ ) {
left += parm[ idxOffset + i - 1 ];
mPainter.drawText( left, y, width, height, TQt::AlignLeft | TQt::AlignTop, text.mid(i, 1) );
}
}
else {
mPainter.drawText( x, y, width, height, TQt::AlignLeft | TQt::AlignTop, text );
}
mPainter.restore();
}
//-----------------------------------------------------------------------------
// Bitmap
//-----------------------------------------------------------------------------
void TQWinMetaFile::dibBitBlt( long num, short* parm )
{
if ( num > 9 ) { // DIB image
TQImage bmpSrc;
if ( dibToBmp( bmpSrc, (char*)&parm[ 8 ], (num - 8) * 2 ) ) {
long raster = toDWord( parm );
mPainter.setRasterOp( winToTQtRaster( raster ) );
// wmf file allow negative width or height
mPainter.save();
if ( parm[ 5 ] < 0 ) { // width < 0 => horizontal flip
TQWMatrix m( -1.0F, 0.0F, 0.0F, 1.0F, 0.0F, 0.0F );
mPainter.setWorldMatrix( m, true );
}
if ( parm[ 4 ] < 0 ) { // height < 0 => vertical flip
TQWMatrix m( 1.0F, 0.0F, 0.0F, -1.0F, 0.0F, 0.0F );
mPainter.setWorldMatrix( m, true );
}
mPainter.drawImage( parm[ 7 ], parm[ 6 ], bmpSrc, parm[ 3 ], parm[ 2 ], parm[ 5 ], parm[ 4 ] );
mPainter.restore();
}
}
else {
kdDebug() << "TQWinMetaFile::dibBitBlt without image: not implemented " << endl;
}
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::dibStretchBlt( long num, short* parm )
{
TQImage bmpSrc;
if ( dibToBmp( bmpSrc, (char*)&parm[ 10 ], (num - 10) * 2 ) ) {
long raster = toDWord( parm );
mPainter.setRasterOp( winToTQtRaster( raster ) );
// wmf file allow negative width or height
mPainter.save();
if ( parm[ 7 ] < 0 ) { // width < 0 => horizontal flip
TQWMatrix m( -1.0F, 0.0F, 0.0F, 1.0F, 0.0F, 0.0F );
mPainter.setWorldMatrix( m, true );
}
if ( parm[ 6 ] < 0 ) { // height < 0 => vertical flip
TQWMatrix m( 1.0F, 0.0F, 0.0F, -1.0F, 0.0F, 0.0F );
mPainter.setWorldMatrix( m, true );
}
bmpSrc = bmpSrc.copy( parm[ 5 ], parm[ 4 ], parm[ 3 ], parm[ 2 ] );
// TODO: scale the bitmap ( TQImage::scale(parm[ 7 ], parm[ 6 ]) is actually too slow )
mPainter.drawImage( parm[ 9 ], parm[ 8 ], bmpSrc );
mPainter.restore();
}
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::stretchDib( long num, short* parm )
{
TQImage bmpSrc;
if ( dibToBmp( bmpSrc, (char*)&parm[ 11 ], (num - 11) * 2 ) ) {
long raster = toDWord( parm );
mPainter.setRasterOp( winToTQtRaster( raster ) );
// wmf file allow negative width or height
mPainter.save();
if ( parm[ 8 ] < 0 ) { // width < 0 => horizontal flip
TQWMatrix m( -1.0F, 0.0F, 0.0F, 1.0F, 0.0F, 0.0F );
mPainter.setWorldMatrix( m, true );
}
if ( parm[ 7 ] < 0 ) { // height < 0 => vertical flip
TQWMatrix m( 1.0F, 0.0F, 0.0F, -1.0F, 0.0F, 0.0F );
mPainter.setWorldMatrix( m, true );
}
bmpSrc = bmpSrc.copy( parm[ 6 ], parm[ 5 ], parm[ 4 ], parm[ 3 ] );
// TODO: scale the bitmap ( TQImage::scale(parm[ 8 ], parm[ 7 ]) is actually too slow )
mPainter.drawImage( parm[ 10 ], parm[ 9 ], bmpSrc );
mPainter.restore();
}
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::dibCreatePatternBrush( long num, short* parm )
{
WinObjPatternBrushHandle* handle = new WinObjPatternBrushHandle;
addHandle( handle );
TQImage bmpSrc;
if ( dibToBmp( bmpSrc, (char*)&parm[ 2 ], (num - 2) * 2 ) ) {
handle->image = bmpSrc;
handle->brush.setPixmap( handle->image );
}
}
//-----------------------------------------------------------------------------
// Object handle
//-----------------------------------------------------------------------------
void TQWinMetaFile::selectObject( long, short* parm )
{
int idx = parm[ 0 ];
if ( idx>=0 && idx < MAX_OBJHANDLE && mObjHandleTab[ idx ] )
mObjHandleTab[ idx ]->apply( mPainter );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::deleteObject( long, short* parm )
{
deleteHandle( parm[ 0 ] );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::createEmptyObject( long, short* )
{
// allocation of an empty object (to keep object counting in sync)
WinObjPenHandle* handle = new WinObjPenHandle;
addHandle( handle );
kdDebug() << "TQWinMetaFile: unimplemented createObject " << endl;
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::createBrushIndirect( long, short* parm )
{
static Qt::BrushStyle hatchedStyleTab[] =
{
Qt::HorPattern,
Qt::FDiagPattern,
Qt::BDiagPattern,
Qt::CrossPattern,
Qt::DiagCrossPattern
};
static Qt::BrushStyle styleTab[] =
{ Qt::SolidPattern,
Qt::NoBrush,
Qt::FDiagPattern, /* hatched */
Qt::Dense4Pattern, /* should be custom bitmap pattern */
Qt::HorPattern, /* should be BS_INDEXED (?) */
Qt::VerPattern, /* should be device-independent bitmap */
Qt::Dense6Pattern, /* should be device-independent packed-bitmap */
Qt::Dense2Pattern, /* should be BS_PATTERN8x8 */
Qt::Dense3Pattern /* should be device-independent BS_DIBPATTERN8x8 */
};
Qt::BrushStyle style;
short arg;
WinObjBrushHandle* handle = new WinObjBrushHandle;
addHandle( handle );
arg = parm[ 0 ];
if ( arg==2 )
{
arg = parm[ 3 ];
if ( arg>=0 && arg<5 ) style = hatchedStyleTab[ arg ];
else
{
kdDebug() << "TQWinMetaFile::createBrushIndirect: invalid hatched brush " << arg << endl;
style = Qt::SolidPattern;
}
}
else if ( arg>=0 && arg<9 )
style = styleTab[ arg ];
else
{
kdDebug() << "TQWinMetaFile::createBrushIndirect: invalid brush " << arg << endl;
style = Qt::SolidPattern;
}
handle->brush.setStyle( style );
handle->brush.setColor( color( parm+1 ) );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::createPenIndirect( long, short* parm )
{
static Qt::PenStyle styleTab[] =
{ Qt::SolidLine, Qt::DashLine, Qt::DotLine, Qt::DashDotLine, Qt::DashDotDotLine,
Qt::NoPen, Qt::SolidLine };
Qt::PenStyle style;
WinObjPenHandle* handle = new WinObjPenHandle;
addHandle( handle );
if ( parm[ 0 ]>=0 && parm[ 0 ]<6 ) style=styleTab[ parm[ 0 ] ];
else
{
kdDebug() << "TQWinMetaFile::createPenIndirect: invalid pen " << parm[ 0 ] << endl;
style = Qt::SolidLine;
}
handle->pen.setStyle( style );
handle->pen.setColor( color( parm+3 ) );
handle->pen.setCapStyle( Qt::RoundCap );
//int width = 0;
// TODO : width of pen proportional to device context width
// DOESN'T WORK
/*
TQRect devRec;
devRec = mPainter.xForm( mBBox );
width = ( parm[ 0 ] * devRec.width() ) / mBBox.width() ;
kdDebug() << "CreatePenIndirect: " << endl;
kdDebug() << " log coord. : " << mBBox.width() << " " << mBBox.height() << endl;
kdDebug() << " log. pen : " << parm[ 1 ] << " " << parm[ 2 ] << endl;
kdDebug() << " dev. pen : " << width << endl;
handle->pen.setWidth( width );
*/
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::createFontIndirect( long , short* parm)
{
WinObjFontHandle* handle = new WinObjFontHandle;
addHandle( handle );
TQString family( (const char*)&parm[ 9 ] );
mRotation = -parm[ 2 ] / 10; // text rotation (in 1/10 degree)
// TODO: memorisation of rotation in object Font
handle->font.setFamily( family );
handle->font.setFixedPitch( ((parm[ 8 ] & 0x01) == 0) );
// TODO: investigation why some test case need -2. (size of font in logical point)
handle->font.setPointSize( TQABS(parm[ 0 ]) - 2 );
handle->font.setWeight( (parm[ 4 ] >> 3) );
handle->font.setItalic( (parm[ 5 ] & 0x01) );
handle->font.setUnderline( (parm[ 5 ] & 0x100) );
}
//-----------------------------------------------------------------------------
// Misc
//-----------------------------------------------------------------------------
void TQWinMetaFile::noop( long, short* )
{
}
void TQWinMetaFile::end( long, short* )
{
// end of file :
// kdDebug() << "END bbox=( " << mBBox.left() << "; " << mBBox.top() << "; " << mBBox.width() << "; " << mBBox.height() << ")" << endl;
}
//-----------------------------------------------------------------------------
unsigned short TQWinMetaFile::calcCheckSum( WmfPlaceableHeader* apmfh )
{
WORD* lpWord;
WORD wResult, i;
// Start with the first word
wResult = *( lpWord = ( WORD* )( apmfh ) );
// XOR in each of the other 9 words
for( i=1; i<=9; i++ )
{
wResult ^= lpWord[ i ];
}
return wResult;
}
//-----------------------------------------------------------------------------
int TQWinMetaFile::findFunc( unsigned short aFunc ) const
{
int i;
for ( i=0; metaFuncTab[ i ].name; i++ )
if ( metaFuncTab[ i ].func == aFunc ) return i;
// here : unknown function
return i;
}
//-----------------------------------------------------------------------------
TQPointArray* TQWinMetaFile::pointArray( short num, short* parm )
{
int i;
mPoints.resize( num );
for ( i=0; i<num; i++, parm+=2 )
mPoints.setPoint( i, parm[ 0 ], parm[ 1 ] );
return &mPoints;
}
//-----------------------------------------------------------------------------
unsigned int TQWinMetaFile::toDWord( short* parm )
{
unsigned int l;
#if !defined( WORDS_BIGENDIAN )
l = *( unsigned int* )( parm );
#else
char *bytes;
char swap[ 4 ];
bytes = ( char* )parm;
swap[ 0 ] = bytes[ 2 ];
swap[ 1 ] = bytes[ 3 ];
swap[ 2 ] = bytes[ 0 ];
swap[ 3 ] = bytes[ 1 ];
l = *( unsigned int* )( swap );
#endif
return l;
}
//-----------------------------------------------------------------------------
TQColor TQWinMetaFile::color( short* parm )
{
unsigned int colorRef;
int red, green, blue;
colorRef = toDWord( parm ) & 0xffffff;
red = colorRef & 255;
green = ( colorRef>>8 ) & 255;
blue = ( colorRef>>16 ) & 255;
return TQColor( red, green, blue );
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::xyToAngle( int xStart, int yStart, int xEnd, int yEnd, int& angleStart, int& angleLength )
{
float aStart, aLength;
aStart = atan2( double(yStart), double(xStart) );
aLength = atan2( double(yEnd), double(xEnd) ) - aStart;
angleStart = (int)(aStart * 2880 / 3.14166);
angleLength = (int)(aLength * 2880 / 3.14166);
if ( angleLength < 0 ) angleLength = 5760 + angleLength;
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::addHandle( WinObjHandle* handle )
{
int idx;
for ( idx=0; idx < MAX_OBJHANDLE ; idx++ )
if ( mObjHandleTab[ idx ] == NULL ) break;
if ( idx < MAX_OBJHANDLE )
mObjHandleTab[ idx ] = handle;
else
kdDebug() << "TQWinMetaFile error: handle table full !" << endl;
}
//-----------------------------------------------------------------------------
void TQWinMetaFile::deleteHandle( int idx )
{
if ( idx >= 0 && idx < MAX_OBJHANDLE && mObjHandleTab[ idx ] )
{
delete mObjHandleTab[ idx ];
mObjHandleTab[ idx ] = NULL;
}
}
//-----------------------------------------------------------------------------
TQt::RasterOp TQWinMetaFile::winToTQtRaster( short parm ) const
{
static const TQt::RasterOp opTab[] =
{
TQt::CopyROP,
TQt::ClearROP, TQt::NandROP, TQt::NotAndROP, TQt::NotCopyROP,
TQt::AndNotROP, TQt::NotROP, TQt::XorROP, TQt::NorROP,
TQt::AndROP, TQt::NotXorROP, TQt::NopROP, TQt::NotOrROP,
TQt::CopyROP, TQt::OrNotROP, TQt::OrROP, TQt::SetROP
};
if ( parm > 0 && parm <= 16 )
return opTab[ parm ];
else
return TQt::CopyROP;
}
//-----------------------------------------------------------------------------
TQt::RasterOp TQWinMetaFile::winToTQtRaster( long parm ) const
{
/* TODO: Ternary raster operations
0x00C000CA dest = (source AND pattern)
0x00F00021 dest = pattern
0x00FB0A09 dest = DPSnoo
0x005A0049 dest = pattern XOR dest */
static const struct OpTab
{
long winRasterOp;
TQt::RasterOp qtRasterOp;
} opTab[] =
{
{ 0x00CC0020, TQt::CopyROP },
{ 0x00EE0086, TQt::OrROP },
{ 0x008800C6, TQt::AndROP },
{ 0x00660046, TQt::XorROP },
{ 0x00440328, TQt::AndNotROP },
{ 0x00330008, TQt::NotCopyROP },
{ 0x001100A6, TQt::NandROP },
{ 0x00C000CA, TQt::CopyROP },
{ 0x00BB0226, TQt::NotOrROP },
{ 0x00F00021, TQt::CopyROP },
{ 0x00FB0A09, TQt::CopyROP },
{ 0x005A0049, TQt::CopyROP },
{ 0x00550009, TQt::NotROP },
{ 0x00000042, TQt::ClearROP },
{ 0x00FF0062, TQt::SetROP }
};
int i;
for ( i=0 ; i < 15 ; i++ )
if ( opTab[ i ].winRasterOp == parm )
break;
if ( i < 15 )
return opTab[ i ].qtRasterOp;
else
return TQt::CopyROP;
}
//-----------------------------------------------------------------------------
bool TQWinMetaFile::dibToBmp( TQImage& bmp, const char* dib, long size )
{
typedef struct _BMPFILEHEADER {
WORD bmType;
DWORD bmSize;
WORD bmReserved1;
WORD bmReserved2;
DWORD bmOffBits;
} BMPFILEHEADER;
int sizeBmp = size + 14;
TQByteArray pattern( sizeBmp ); // BMP header and DIB data
pattern.fill(0);
memcpy( &pattern[ 14 ], dib, size );
// add BMP header
BMPFILEHEADER* bmpHeader;
bmpHeader = (BMPFILEHEADER*)((const char*)pattern);
bmpHeader->bmType = 0x4D42;
bmpHeader->bmSize = sizeBmp;
if ( !bmp.loadFromData( (const uchar*)bmpHeader, pattern.size(), "BMP" ) ) {
kdDebug() << "TQWinMetaFile::dibToBmp: invalid bitmap " << endl;
return false;
}
else {
// if ( bmp.save("/home/software/kde-cvs/qt/examples/wmf/test.bmp", "BMP") )
// if ( bmp.load( "/home/software/kde-cvs/qt/examples/wmf/test.bmp", "BMP" ) )
// fprintf(stderr, "Bitmap ok \n");
return true;
}
}