85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
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///////////////////////////////////////////////////////////////////////////////
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// Name: tests/image/rawbmp.cpp
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// Purpose: Test for using raw bitmap access classes with wxImage
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// Author: Vadim Zeitlin
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// Created: 2008-05-30
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// RCS-ID: $Id$
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// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#endif // WX_PRECOMP
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#include "wx/image.h"
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#include "wx/rawbmp.h"
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namespace
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{
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const int WIDTH = 10;
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const int HEIGHT = 10;
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}
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#define ASSERT_COL_EQUAL(x, y) \
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CPPUNIT_ASSERT_EQUAL( (unsigned char)(x), (y) )
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// ----------------------------------------------------------------------------
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// test class
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// ----------------------------------------------------------------------------
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class ImageRawTestCase : public CppUnit::TestCase
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{
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public:
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ImageRawTestCase() { }
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private:
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CPPUNIT_TEST_SUITE( ImageRawTestCase );
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CPPUNIT_TEST( RGBImage );
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CPPUNIT_TEST_SUITE_END();
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void RGBImage();
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DECLARE_NO_COPY_CLASS(ImageRawTestCase)
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};
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CPPUNIT_TEST_SUITE_REGISTRATION( ImageRawTestCase );
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ImageRawTestCase, "ImageRawTestCase" );
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void ImageRawTestCase::RGBImage()
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{
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// create a check board image
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wxImage image(WIDTH, HEIGHT);
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wxImagePixelData data(image);
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wxImagePixelData::Iterator p(data);
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for ( int y = 0; y < HEIGHT; y++ )
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{
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const wxImagePixelData::Iterator rowStart = p;
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for ( int x = 0; x < WIDTH; x++ )
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{
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p.Data() = (x + y) % 2 ? 0 : -1;
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++p;
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}
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p = rowStart;
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p.OffsetY(data, 1);
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}
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// test a few pixels
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ASSERT_COL_EQUAL( 0xff, image.GetRed(0, 0) );
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ASSERT_COL_EQUAL( 0xff, image.GetBlue(1, 1) );
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ASSERT_COL_EQUAL( 0, image.GetGreen(0, 1) );
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ASSERT_COL_EQUAL( 0, image.GetGreen(1, 0) );
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}
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