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