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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#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");
}
}
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