a81e0d83c1
Replace old functions with the new ones in the library code itself. Note that wxSTC and wxRichText still use GetScaledXXX(), but they're different functions that might need to be renamed/dealt with separately.
147 lines
5.1 KiB
C++
147 lines
5.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/graphics/bmpbundle.cpp
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// Purpose: wxBitmapBundle unit test
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// Author: Vadim Zeitlin
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// Created: 2021-09-27
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// Copyright: (c) 2021 Vadim Zeitlin <vadim@wxwidgets.org>
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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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#include "wx/bmpbndl.h"
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#include "asserthelper.h"
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// ----------------------------------------------------------------------------
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// tests
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// ----------------------------------------------------------------------------
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TEST_CASE("BitmapBundle::Create", "[bmpbundle]")
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{
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wxBitmapBundle b;
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CHECK( !b.IsOk() );
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CHECK( b.GetDefaultSize() == wxDefaultSize );
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b = wxBitmap(16, 16);
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CHECK( b.IsOk() );
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CHECK( b.GetDefaultSize() == wxSize(16, 16) );
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}
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TEST_CASE("BitmapBundle::FromBitmaps", "[bmpbundle]")
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{
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wxVector<wxBitmap> bitmaps;
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bitmaps.push_back(wxBitmap(16, 16));
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bitmaps.push_back(wxBitmap(24, 24));
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wxBitmapBundle b = wxBitmapBundle::FromBitmaps(bitmaps);
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REQUIRE( b.IsOk() );
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CHECK( b.GetDefaultSize() == wxSize(16, 16) );
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CHECK( b.GetBitmap(wxDefaultSize ).GetSize() == wxSize(16, 16) );
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CHECK( b.GetBitmap(wxSize(16, 16)).GetSize() == wxSize(16, 16) );
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CHECK( b.GetBitmap(wxSize(20, 20)).GetSize() == wxSize(20, 20) );
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CHECK( b.GetBitmap(wxSize(24, 24)).GetSize() == wxSize(24, 24) );
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}
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TEST_CASE("BitmapBundle::GetPreferredSize", "[bmpbundle]")
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{
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CHECK( wxBitmapBundle().GetPreferredSizeAtScale(1) == wxDefaultSize );
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const wxSize normal(32, 32);
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const wxSize bigger(64, 64);
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const wxBitmapBundle
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b = wxBitmapBundle::FromBitmaps(wxBitmap(normal), wxBitmap(bigger));
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// Check that the existing bitmaps are used without scaling for most of the
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// typical scaling values.
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CHECK( b.GetPreferredSizeAtScale(0 ) == normal );
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CHECK( b.GetPreferredSizeAtScale(1 ) == normal );
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CHECK( b.GetPreferredSizeAtScale(1.25) == normal );
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CHECK( b.GetPreferredSizeAtScale(1.4 ) == normal );
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CHECK( b.GetPreferredSizeAtScale(1.5 ) == bigger );
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CHECK( b.GetPreferredSizeAtScale(1.75) == bigger );
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CHECK( b.GetPreferredSizeAtScale(2 ) == bigger );
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CHECK( b.GetPreferredSizeAtScale(2.5 ) == bigger );
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// This scale is too big to use any of the existing bitmaps, so they will
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// be scaled.
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CHECK( b.GetPreferredSizeAtScale(3 ) == 3*normal );
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}
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#ifdef wxHAS_DPI_INDEPENDENT_PIXELS
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TEST_CASE("BitmapBundle::Scaled", "[bmpbundle]")
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{
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// Adding a bitmap with scale factor > 1 should create the bundle using the
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// scaled size as default size.
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wxBitmap scaled2x(64, 64);
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scaled2x.SetScaleFactor(2);
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CHECK( scaled2x.GetLogicalSize() == wxSize(32, 32) );
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wxBitmapBundle b(scaled2x);
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CHECK( b.GetDefaultSize() == wxSize(32, 32) );
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// Retrieving this bitmap back from the bundle should preserve its scale.
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scaled2x = b.GetBitmap(wxSize(64, 64));
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CHECK( scaled2x.GetSize() == wxSize(64, 64) );
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CHECK( scaled2x.GetScaleFactor() == 2 );
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// And retrieving the bitmap from the bundle should set scale factor for it
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// even if it hadn't originally been added with it.
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b = wxBitmapBundle::FromBitmaps(wxBitmap(32, 32), wxBitmap(64, 64));
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scaled2x = b.GetBitmap(wxSize(64, 64));
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CHECK( scaled2x.GetSize() == wxSize(64, 64) );
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CHECK( scaled2x.GetScaleFactor() == 2 );
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// Using scaled bitmaps when there is more than one of them is a bad idea
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// in general, as only physical size matters, but the default size should
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// still be the scaled size of the smallest one.
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b = wxBitmapBundle::FromBitmaps(scaled2x, wxBitmap(64, 64));
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CHECK( b.GetDefaultSize() == wxSize(32, 32) );
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}
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#endif // wxHAS_DPI_INDEPENDENT_PIXELS
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#ifdef wxHAS_SVG
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TEST_CASE("BitmapBundle::FromSVG", "[bmpbundle][svg]")
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{
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static const char svg_data[] =
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"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>"
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"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">"
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"<svg width=\"200\" height=\"200\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns=\"http://www.w3.org/2000/svg\">"
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"<g>"
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"<circle cx=\"100\" cy=\"100\" r=\"50\" fill=\"blue\"/>"
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"</g>"
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"</svg>"
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;
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wxBitmapBundle b = wxBitmapBundle::FromSVG(svg_data, wxSize(20, 20));
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REQUIRE( b.IsOk() );
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CHECK( b.GetDefaultSize() == wxSize(20, 20) );
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CHECK( b.GetBitmap(wxSize(32, 32)).GetSize() == wxSize(32, 32) );
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// Check that not using XML header works too.
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const char* svg_tag_start = strstr(svg_data, "<svg");
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REQUIRE( svg_tag_start );
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b = wxBitmapBundle::FromSVG(svg_data, wxSize(20, 20));
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REQUIRE( b.IsOk() );
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CHECK( b.GetBitmap(wxSize(16, 16)).GetSize() == wxSize(16, 16) );
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}
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TEST_CASE("BitmapBundle::FromSVGFile", "[bmpbundle][svg][file]")
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{
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wxBitmapBundle b = wxBitmapBundle::FromSVGFile("horse.svg", wxSize(20, 20));
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REQUIRE( b.IsOk() );
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CHECK( b.GetDefaultSize() == wxSize(20, 20) );
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}
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#endif // wxHAS_SVG
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