246 lines
7.0 KiB
C++
246 lines
7.0 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2019 KiCad Developers, see CHANGELOG.TXT for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file
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* Test suite for BITMAP_BASE
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*/
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#include <unit_test_utils/unit_test_utils.h>
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// Code under test
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#include <bitmap_base.h>
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#include "wximage_test_utils.h"
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#include <wx/mstream.h>
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// Dummy PNG image 8x8, 4 tiles:
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//
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// green, black,
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// red, blue
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// ( the black tile is a a circle, otherwise older wx's seem to crash)
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static const std::vector<unsigned char> png_data_4tile = { //
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0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00, 0x00, 0x00, 0x0D, 0x49, 0x48, 0x44, 0x52,
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0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08, 0x08, 0x06, 0x00, 0x00, 0x00, 0xC4, 0x0F, 0xBE,
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0x8B, 0x00, 0x00, 0x00, 0x04, 0x73, 0x42, 0x49, 0x54, 0x08, 0x08, 0x08, 0x08, 0x7C, 0x08, 0x64,
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0x88, 0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59, 0x73, 0x00, 0x00, 0x0E, 0xC4, 0x00, 0x00, 0x0E,
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0xC4, 0x01, 0x95, 0x2B, 0x0E, 0x1B, 0x00, 0x00, 0x00, 0x19, 0x74, 0x45, 0x58, 0x74, 0x53, 0x6F,
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0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x00, 0x77, 0x77, 0x77, 0x2E, 0x69, 0x6E, 0x6B, 0x73, 0x63,
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0x61, 0x70, 0x65, 0x2E, 0x6F, 0x72, 0x67, 0x9B, 0xEE, 0x3C, 0x1A, 0x00, 0x00, 0x00, 0x40, 0x49,
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0x44, 0x41, 0x54, 0x18, 0x95, 0xA5, 0xCD, 0x4B, 0x0A, 0xC0, 0x20, 0x14, 0x43, 0xD1, 0x63, 0x77,
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0xA7, 0xDD, 0xFF, 0x06, 0xD4, 0x7D, 0x3C, 0x07, 0x95, 0x42, 0x3F, 0xE0, 0xC0, 0x84, 0x0C, 0x02,
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0xE1, 0x86, 0x78, 0x99, 0x13, 0x1D, 0x0D, 0xC5, 0xCF, 0xA0, 0x21, 0x66, 0xEA, 0x61, 0xA9, 0x2F,
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0xA1, 0x4C, 0x4A, 0x45, 0x4E, 0x71, 0xA1, 0x6E, 0xA5, 0x67, 0xB5, 0xBC, 0xD8, 0x1F, 0x0C, 0xA7,
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0xFD, 0x23, 0x67, 0x70, 0xDA, 0x89, 0xA2, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45, 0x4E, 0x44, 0xAE,
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0x42, 0x60, 0x82
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};
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///< 4tile is an 8x8 image
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static const wxSize size_4tile{ 8, 8 };
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static const KIGFX::COLOR4D col_red{ 1.0, 0.0, 0.0, 1.0 };
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static const KIGFX::COLOR4D col_green{ 0.0, 1.0, 0.0, 1.0 };
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static const KIGFX::COLOR4D col_blue{ 0.0, 0.0, 1.0, 1.0 };
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static const KIGFX::COLOR4D col_black{ 0.0, 0.0, 0.0, 1.0 };
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class TEST_BITMAP_BASE_FIXTURE
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{
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public:
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TEST_BITMAP_BASE_FIXTURE()
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{
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wxMemoryInputStream mis( png_data_4tile.data(), png_data_4tile.size() );
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bool ok = m_4tile.ReadImageFile( mis );
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// this is needed for most tests and can fail if the image handlers
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// are not initialised (e.g. with wxInitAllImageHandlers)
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BOOST_REQUIRE( ok );
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// use an easier scale for test purposes
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m_4tile.SetPixelSizeIu( 2.0 );
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m_4tile.SetScale( 5.0 );
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}
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/*
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* Simple image of 4 coloured tiles
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*/
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BITMAP_BASE m_4tile;
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};
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/**
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* Declare the test suite
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*/
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BOOST_FIXTURE_TEST_SUITE( BitmapBase, TEST_BITMAP_BASE_FIXTURE )
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/**
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* Check basic properties of a populated image
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*/
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BOOST_AUTO_TEST_CASE( Empty )
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{
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BITMAP_BASE empty;
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// Const to test we can get this data from a const object
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const BITMAP_BASE& cempty = empty;
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BOOST_CHECK_EQUAL( cempty.GetImageData(), nullptr );
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BOOST_CHECK_EQUAL( cempty.GetPPI(), 300 );
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BOOST_CHECK_EQUAL( cempty.GetScale(), 1.0 );
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BOOST_CHECK_EQUAL( cempty.GetPixelSizeIu(), 254000.0 / 300.0 );
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// can do this on an empty image
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empty.Rotate( true );
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empty.Mirror( true );
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}
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/**
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* Check we can validly copy an empty bitmap
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*/
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BOOST_AUTO_TEST_CASE( EmptyCopy )
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{
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BITMAP_BASE empty;
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BITMAP_BASE copied = empty;
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// should still have nothing in it
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BOOST_CHECK_EQUAL( copied.GetImageData(), nullptr );
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}
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struct TEST_PIXEL_CASE
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{
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int m_x;
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int m_y;
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KIGFX::COLOR4D m_color;
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};
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/**
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* Check basic properties of the populated images
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*/
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BOOST_AUTO_TEST_CASE( BasicProps )
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{
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// make sure we can do all this to a const img
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const BITMAP_BASE& img = m_4tile;
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// have "some" image data
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BOOST_REQUIRE_NE( img.GetImageData(), nullptr );
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// still default props here
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BOOST_CHECK_EQUAL( img.GetPPI(), 300 );
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BOOST_CHECK_EQUAL( img.GetScale(), 5.0 );
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// we changed this, make sure it's right
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BOOST_CHECK_EQUAL( img.GetPixelSizeIu(), 2.0 );
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BOOST_CHECK( img.GetSizePixels() == size_4tile );
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BOOST_CHECK( img.GetSize() == size_4tile * 10 );
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const EDA_RECT bb = img.GetBoundingBox();
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BOOST_CHECK( bb.GetPosition() == wxPoint( -40, -40 ) );
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BOOST_CHECK( bb.GetEnd() == wxPoint( 40, 40 ) );
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}
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/**
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* Check the image is right
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*/
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BOOST_AUTO_TEST_CASE( BasicImage )
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{
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const wxImage* img_data = m_4tile.GetImageData();
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BOOST_REQUIRE_NE( img_data, nullptr );
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// green, black,
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// red, blue
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const std::vector<TEST_PIXEL_CASE> exp_pixels = {
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{ 1, 1, col_green },
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{ 6, 1, col_black },
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{ 1, 6, col_red },
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{ 6, 6, col_blue },
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};
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for( const auto& c : exp_pixels )
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{
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BOOST_CHECK_PREDICATE(
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KI_TEST::IsImagePixelOfColor, ( *img_data )( c.m_x )( c.m_y )( c.m_color ) );
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}
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}
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/**
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* Check the image is right after rotating
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*/
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BOOST_AUTO_TEST_CASE( RotateImage )
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{
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// Note the parameter name is wrong here, true is clockwise
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m_4tile.Rotate( false );
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const wxImage* img_data = m_4tile.GetImageData();
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BOOST_REQUIRE_NE( img_data, nullptr );
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// black, blue,
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// green, red
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const std::vector<TEST_PIXEL_CASE> exp_pixels = {
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{ 1, 1, col_black },
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{ 6, 1, col_blue },
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{ 1, 6, col_green },
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{ 6, 6, col_red },
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};
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for( const auto& c : exp_pixels )
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{
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BOOST_CHECK_PREDICATE(
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KI_TEST::IsImagePixelOfColor, ( *img_data )( c.m_x )( c.m_y )( c.m_color ) );
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}
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}
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/**
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* Check the image is right after mirroring
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*/
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BOOST_AUTO_TEST_CASE( MirrorImage )
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{
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m_4tile.Mirror( true );
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const wxImage* img_data = m_4tile.GetImageData();
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BOOST_REQUIRE_NE( img_data, nullptr );
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// red, blue
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// green, black
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const std::vector<TEST_PIXEL_CASE> exp_pixels = {
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{ 1, 1, col_red },
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{ 6, 1, col_blue },
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{ 1, 6, col_green },
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{ 6, 6, col_black },
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};
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for( const auto& c : exp_pixels )
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{
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BOOST_CHECK_PREDICATE(
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KI_TEST::IsImagePixelOfColor, ( *img_data )( c.m_x )( c.m_y )( c.m_color ) );
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}
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}
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BOOST_AUTO_TEST_SUITE_END()
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