kicad/qa/common/wximage_test_utils.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019 KiCad Developers, see AUTHORS.TXT for contributors.
*
* 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
* MERCHANTABILITY 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "wximage_test_utils.h"
#include "color4d_test_utils.h"
namespace KI_TEST
{
/**
* Predicate to check an image pixel matches color and alpha
*
* @param aImage the image to check
* @param aX pixel x-coordinate
* @param aY pixel y-coordinate
* @param aColor expected color (alpha is 1.0 if image doesn't support alpha)
* @return true if colour match
*/
bool IsImagePixelOfColor( const wxImage& aImage, int aX, int aY, const KIGFX::COLOR4D& aColor )
{
const wxSize imageSize = aImage.GetSize();
if( imageSize.x < aX || imageSize.y < aY )
{
BOOST_TEST_INFO( "Pixel (" << aX << ", " << aY << "is not in image of size (" << imageSize.x
<< ", " << imageSize.y << ")" );
return false;
}
const int r = aImage.GetRed( aX, aY );
const int g = aImage.GetGreen( aX, aY );
const int b = aImage.GetBlue( aX, aY );
const int a = aImage.HasAlpha() ? aImage.GetAlpha( aX, aY ) : 255;
if( !KI_TEST::IsColorNearHex( aColor, r, g, b, a ) )
{
BOOST_TEST_INFO( "Colour doesn't match: got rgba(" << r << ", " << g << ", " << b << ", "
<< a << "), expected " << aColor );
return false;
}
return true;
}
} // namespace KI_TEST
namespace BOOST_TEST_PRINT_NAMESPACE_OPEN
{
void print_log_value<wxImage>::operator()( std::ostream& os, wxImage const& aImage )
{
const wxSize size = aImage.GetSize();
os << "wxImage[" << size.x << "x" << size.y << "]";
}
} // namespace BOOST_TEST_PRINT_NAMESPACE_OPEN
BOOST_TEST_PRINT_NAMESPACE_CLOSE