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added test for inverted text

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7549 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2000-06-09 14:41:34 +00:00
parent adb176e718
commit 174345b445
1 changed files with 13 additions and 7 deletions
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20
samples/drawing/drawing.cpp
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@@ -815,7 +815,7 @@ void MyCanvas::DrawText(wxDC& dc)
dc.SetFont( *wxNORMAL_FONT ); dc.SetFont( *wxNORMAL_FONT );
wxString text; wxString text;
dc. SetBackgroundMode(wxTRANSPARENT); dc.SetBackgroundMode(wxTRANSPARENT);
for ( int n = -180; n < 180; n += 30 ) for ( int n = -180; n < 180; n += 30 )
{ {
@@ -840,16 +840,22 @@ void MyCanvas::DrawText(wxDC& dc)
dc.DrawRectangle( 100, 40, 4, height ); dc.DrawRectangle( 100, 40, 4, height );
// test the logical function effect // test the logical function effect
wxCoord y = 150;
dc.SetLogicalFunction(wxINVERT); dc.SetLogicalFunction(wxINVERT);
dc.DrawText( "not inverted", 110, 150 ); dc.DrawText( "There should be no text below", 110, 150 );
dc.DrawRectangle( 110, 160, 100, height ); dc.DrawRectangle( 110, y, 100, height );
// twice drawn inverted should result in invisible // twice drawn inverted should result in invisible
dc.DrawText( "should be invisible", 110, 170 ); y += height;
dc.DrawRectangle( 110, 200, 100, height ); dc.DrawText( "Invisible text", 110, y );
dc.DrawText( "should be invisible", 110, 170 ); dc.DrawRectangle( 110, y, 100, height );
dc.DrawRectangle( 110, 200, 100, height ); dc.DrawText( "Invisible text", 110, y );
dc.DrawRectangle( 110, y, 100, height );
dc.SetLogicalFunction(wxCOPY); dc.SetLogicalFunction(wxCOPY);
y += height;
dc.DrawRectangle( 110, y, 100, height );
dc.DrawText( "Visible text", 110, y );
} }
static const struct static const struct