/****************************************************************************

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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** This file is part of the test suite of the Qt Toolkit.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** General Public License version 2.1 as published by the Free Software

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****************************************************************************/

#include <qapplication.h>

#include <qpixmap.h>

#include <qpainter.h>

#include <qbitmap.h>

static QColor baseColor( int k, int intensity )

{

    int r = ( k & 1 ) * intensity;

    int g = ( (k>>1) & 1 ) * intensity;

    int b = ( (k>>2) & 1 ) * intensity;

    return QColor( r, g, b );

}

static QPixmap createDestPixmap()

{

    const int colorbands = 3;

    const int intensities = 4;

    QPixmap pm( 32, colorbands*intensities*4 );

    QPainter painter;

    painter.begin( &pm );

    for ( int i=0; i<colorbands; i++ ) {

	for ( int j=0; j<intensities; j++ ) {

	    int intensity = 255 * (j+1) / intensities; // 25%, 50%, 75% and 100%

	    for ( int k=0; k<8; k++ ) {

		QColor col = baseColor( k, intensity );

		painter.setPen( QPen( col, 1 ) );

		painter.setBrush( col );

		painter.drawRect( k*4, j*4 + i*intensities*4, 4, 4 );

	    }

	}

    }

    painter.end();

    return pm;

}

static QBitmap createDestBitmap()

{

    // create a bitmap that looks like:

    // (0 is color0 and 1 is color1)

    //  00001111

    //  00001111

    //  00001111

    //  00001111

    //  00001111

    //  00001111

    //  00001111

    //  00001111

    QBitmap bm( 8, 8 );

    QPainter painter;

    painter.begin( &bm );

    painter.setPen( QPen( Qt::color0, 4 ) );

    painter.drawLine( 2, 0, 2, 8 );

    painter.setPen( QPen( Qt::color1, 4 ) );

    painter.drawLine( 6, 0, 6, 8 );

    painter.end();

    return bm;

}

static QBitmap createSrcBitmap( int size, int border )

{

    // create the source bitmap that looks like

    // (for size=4 and border=2):

    //

    //

    //    1111

    //    1111

    //    0000

    //    0000

    //

    //

    // If \a border is 0, the bitmap does not have a mask, otherwise the inner

    // part is masked.

    // \a size specifies the size of the inner (i.e. masked) part. It should be

    // a multiple of 2.

    int size2 = size/2;

    int totalSize = 2 * ( size2 + border );

    QBitmap bm( totalSize, totalSize );

    QPainter painter;

    painter.begin( &bm );

    painter.setPen( QPen( Qt::color0, 1 ) );

    painter.setBrush( Qt::color0 );

    painter.drawRect( border, size2+border, size, size2 );

    painter.setPen( QPen( Qt::color1, 1 ) );

    painter.setBrush( Qt::color1 );

    painter.drawRect( border, border, size, size2 );

    painter.end();

    if ( border > 0 ) {

	QBitmap mask( totalSize, totalSize, TRUE );

	QPainter painter;

	painter.begin( &mask );

	painter.setPen( QPen( Qt::color1, 1 ) );

	painter.setBrush( Qt::color1 );

	painter.drawRect( border, border, size, size );

	painter.end();

	bm.setMask( mask );

    }

    return bm;

}

int main( int argc, char **argv )

{

    QApplication a( argc, argv );

    // input for tst_QPainter::drawLine_rop_bitmap()

    {

	QBitmap dst = createDestBitmap();

	dst.save( "../../drawLine_rop_bitmap/dst.xbm", "XBM" );

    }

    // input for tst_QPainter::drawPixmap_rop_bitmap()

    {

	QBitmap dst = createDestBitmap();

	QBitmap src1 = createSrcBitmap( 4, 2 );

	QBitmap src2 = createSrcBitmap( 4, 0 );

	dst.save( "../../drawPixmap_rop_bitmap/dst.xbm", "XBM" );

	src1.save( "../../drawPixmap_rop_bitmap/src1.xbm", "XBM" );

	src1.mask()->save( "../../drawPixmap_rop_bitmap/src1-mask.xbm", "XBM" );

	src2.save( "../../drawPixmap_rop_bitmap/src2.xbm", "XBM" );

    }

    // input for tst_QPainter::drawPixmap_rop()

    {

	QPixmap dst1 = createDestPixmap();

	QPixmap dst2 = createDestPixmap();

	dst2.resize( 32, 32 );

	QBitmap src1 = createSrcBitmap( 32, 0 );

	QBitmap src_tmp = createSrcBitmap( 32, 0 ).xForm( QWMatrix( 1, 0, 0, -1, 0, 0 ) );

	src_tmp.resize( 32, 48 );

	QBitmap src2 = src_tmp.xForm( QWMatrix( 1, 0, 0, -1, 0, 0 ) );

	QBitmap mask( 32, 48, TRUE );

	{

	    QPainter painter;

	    painter.begin( &mask );

	    painter.setPen( QPen( Qt::color1, 1 ) );

	    painter.setBrush( Qt::color1 );

	    painter.drawRect( 0, 16, 32, 32 );

	    painter.end();

	}

	src2.setMask( mask );

	QBitmap src3 = createSrcBitmap( 32, 0 ).xForm( QWMatrix( 1, 0, 0, -1, 0, 0 ) );

	dst1.save( "../../drawPixmap_rop/dst1.png", "PNG" );

	dst2.save( "../../drawPixmap_rop/dst2.png", "PNG" );

	src1.save( "../../drawPixmap_rop/src1.xbm", "XBM" );

	src2.save( "../../drawPixmap_rop/src2.xbm", "XBM" );

	src2.mask()->save( "../../drawPixmap_rop/src2-mask.xbm", "XBM" );

	src3.save( "../../drawPixmap_rop/src3.xbm", "XBM" );

    }

}