118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/drawing/basictest.cpp
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// Purpose: Basic tests for wxGraphicsContext
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// Author: Armel Asselin
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// Created: 2014-02-28
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// Copyright: (c) 2014 Ellié Computing <opensource@elliecomputing.com>
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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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#include "wx/app.h"
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#include "wx/font.h"
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#endif // WX_PRECOMP
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#include "drawing.h"
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#ifdef __WXGTK__
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#include "glib-object.h"
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#endif
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#if wxUSE_TEST_GC_DRAWING
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const GraphicsContextDrawingTestCase::DrawingTestCase
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GraphicsContextDrawingTestCase::ms_drawingFontTc = {
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2, &GraphicsContextDrawingTestCase::DoFontDrawings, 800, 600, 72., false
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};
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void GraphicsContextDrawingTestCase::DoFontDrawings (wxGraphicsContext *gc)
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{
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#ifdef __WXGTK__
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wxGCC_WARNING_SUPPRESS(deprecated-declarations)
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g_type_init();
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wxGCC_WARNING_RESTORE()
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#endif
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// This test is expected to treat about fonts/texts. Fonts are a bit special
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// because we cannot expect the same rendering by several engines, and the
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// dimensions of the same text in same font will vary.
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wxGraphicsBrush gbBackground =
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gc->CreateBrush( wxBrush ( wxColour ( 240, 240, 240 ) ) );
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gc->SetBrush( gbBackground );
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gc->DrawRectangle(0, 0, 800, 600);
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wxGraphicsBrush gbTextBackground =
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gc->CreateBrush( wxBrush ( wxColour ( 192, 192, 192 ) ) );
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// set underlined font for testing
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gc->SetFont( wxFont(wxFontInfo(12).Family(wxFONTFAMILY_MODERN).Underlined()), *wxBLACK );
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gc->DrawText( wxT("This is text"), 110, 10, gbTextBackground );
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gc->DrawText( wxT("That is text"), 20, 10, wxDegToRad(-45), gbTextBackground );
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// use wxSWISS_FONT and not wxNORMAL_FONT as the latter can't be rotated
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// (it is not TrueType)
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gc->SetFont( wxFont(wxFontInfo(12).Family(wxFONTFAMILY_SWISS)), *wxBLACK );
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wxString text;
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for ( int n = -180; n < 180; n += 30 )
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{
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text.Printf(wxT(" %d rotated text"), n);
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gc->DrawText(text , 400, 400, wxDegToRad(n) );
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}
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wxFont swissDcFont( wxFontInfo(18).Family(wxFONTFAMILY_SWISS) );
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wxGraphicsFont swissFont = gc->CreateFont( swissDcFont, *wxBLACK );
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gc->SetFont( swissFont );
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gc->DrawText( wxT("This is Swiss 18pt text."), 110, 40 );
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wxDouble length;
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wxDouble height;
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wxDouble descent;
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gc->GetTextExtent( wxT("This is Swiss 18pt text."), &length, &height, &descent );
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text.Printf( wxT("Dimensions are length %f, height %f, descent %f"), length, height, descent );
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gc->DrawText( text, 110, 80 );
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// (did not find equivalent to CharHeight())
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gc->SetBrush( *wxWHITE_BRUSH );
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gc->DrawRectangle( 100, 40, 4, height );
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// test the logical function effect
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wxCoord y = 150;
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// text drawing should ignore logical function
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gc->DrawText( wxT("There should be a text below"), 110, 150 );
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gc->DrawRectangle( 110, y, 100, height );
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y += height;
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gc->DrawText( wxT("Visible text"), 110, y );
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gc->DrawRectangle( 110, y, 100, height );
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gc->DrawText( wxT("Visible text"), 110, y );
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gc->DrawRectangle( 110, y, 100, height );
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y += height;
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gc->DrawRectangle( 110, y, 100, height );
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gc->DrawText( wxT("Another visible text"), 110, y );
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y += height;
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gc->DrawText("And\nmore\ntext on\nmultiple\nlines", 110, y);
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y += 5*height;
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gc->SetFont( swissDcFont, *wxBLUE );
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gc->DrawText( "Rotated text\ncan have\nmultiple lines\nas well", 110, y, wxDegToRad(15) );
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}
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#endif // wxUSE_TEST_GC_DRAWING
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