initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/tests/image/imagwebp.cpp

@@ -0,0 +1,74 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        tests/image/imagwebp.cpp
+// Purpose:     Test wxWEBPHandler
+// Author:      Hermann Höhne
+// Created:     2024-03-08
+// Copyright:   (c) Hermann Höhne
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "testprec.h"
+
+#if wxUSE_IMAGE && wxUSE_LIBWEBP
+
+#include "wx/mstream.h"
+#include "wx/sstream.h"
+
+#include "testimage.h" // for RGBSimilarTo
+
+TEST_CASE("wxWEBPHandler::LoadCorruptWebP", "[image][webp]")
+{
+    wxString data("RIFF____WEBP____ThisIsGarbageData");
+    wxStringInputStream inputStream(data);
+    wxImage loadingImage;
+    wxWEBPHandler webpHandler;
+    // LoadFile must return false, and will do so reliably.
+    // The test exists to check for nullptr dereferences or similar defects.
+    CHECK(!webpHandler.LoadFile(&loadingImage, inputStream, false));
+}
+
+static bool WebPRoundtrip(wxImage& savingImage, wxImage& loadingImage)
+{
+    // set quality to maximum so the images hopefully won't differ too much
+    wxMemoryOutputStream outputStream;
+    wxWEBPHandler webpHandler;
+    webpHandler.SaveFile(&savingImage, outputStream, true);
+    wxMemoryInputStream inputStream(outputStream);
+    webpHandler.LoadFile(&loadingImage, inputStream, true);
+    REQUIRE(loadingImage.IsOk());
+    return true;
+}
+
+TEST_CASE("wxWEBPHandler::LossysRoundtrip", "[image][webp]")
+{
+    wxImage reference;
+    reference.LoadFile("horse.webp");
+    REQUIRE(reference.IsOk());
+    reference.SetOption(wxIMAGE_OPTION_WEBP_FORMAT, wxWebPImageFormat::Lossy);
+    reference.SetOption(wxIMAGE_OPTION_WEBP_QUALITY, 100);
+
+    wxImage loaded;
+    REQUIRE(WebPRoundtrip(reference, loaded));
+
+    int tolerance = 32;
+    CHECK_THAT(loaded, RGBSimilarTo(reference, tolerance));
+}
+
+TEST_CASE("wxWEBPHandler::LosslessRoundtrip", "[image][webp]")
+{
+    wxImage reference;
+    reference.LoadFile("horse.webp");
+    REQUIRE(reference.IsOk());
+    reference.SetOption(wxIMAGE_OPTION_WEBP_FORMAT, wxWebPImageFormat::Lossless);
+
+    wxImage loaded;
+    REQUIRE(WebPRoundtrip(reference, loaded));
+
+    CHECK_THAT(loaded, RGBASameAs(reference));
+}
+
+#endif //wxUSE_IMAGE && wxUSE_LIBWEBP

libs/wxWidgets-3.3.1/tests/image/rawbmp.cpp

@@ -0,0 +1,86 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        tests/image/rawbmp.cpp
+// Purpose:     Test for using raw bitmap access classes with wxImage
+// Author:      Vadim Zeitlin
+// Created:     2008-05-30
+// Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "testprec.h"
+
+
+#ifdef wxHAS_RAW_BITMAP
+
+#ifndef WX_PRECOMP
+#endif // WX_PRECOMP
+
+#include "wx/image.h"
+#include "wx/rawbmp.h"
+
+namespace
+{
+    const int WIDTH = 10;
+    const int HEIGHT = 10;
+}
+
+#define ASSERT_COL_EQUAL(x, y) \
+    CPPUNIT_ASSERT_EQUAL( (unsigned char)(x), (y) )
+
+// ----------------------------------------------------------------------------
+// test class
+// ----------------------------------------------------------------------------
+
+class ImageRawTestCase : public CppUnit::TestCase
+{
+public:
+    ImageRawTestCase() { }
+
+private:
+    CPPUNIT_TEST_SUITE( ImageRawTestCase );
+        CPPUNIT_TEST( RGBImage );
+    CPPUNIT_TEST_SUITE_END();
+
+    void RGBImage();
+
+    wxDECLARE_NO_COPY_CLASS(ImageRawTestCase);
+};
+
+CPPUNIT_TEST_SUITE_REGISTRATION( ImageRawTestCase );
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ImageRawTestCase, "ImageRawTestCase" );
+
+void ImageRawTestCase::RGBImage()
+{
+    // create a check board image
+    wxImage image(WIDTH, HEIGHT);
+
+    wxImagePixelData data(image);
+    wxImagePixelData::Iterator p(data);
+    for ( int y = 0; y < HEIGHT; y++ )
+    {
+        const wxImagePixelData::Iterator rowStart = p;
+
+        for ( int x = 0; x < WIDTH; x++ )
+        {
+            p.Red() =
+            p.Green() =
+            p.Blue() = (x + y) % 2 ? 0 : -1;
+            ++p;
+        }
+
+        p = rowStart;
+        p.OffsetY(data, 1);
+    }
+
+    // test a few pixels
+    ASSERT_COL_EQUAL( 0xff, image.GetRed(0, 0) );
+    ASSERT_COL_EQUAL( 0xff, image.GetBlue(1, 1) );
+    ASSERT_COL_EQUAL( 0, image.GetGreen(0, 1) );
+    ASSERT_COL_EQUAL( 0, image.GetGreen(1, 0) );
+}
+
+#endif // wxHAS_RAW_BITMAP