b20552116c
Using bitmaps of preferred size avoids scaling and results in much better appearance, so add methods allowing querying the bundle about the bitmaps it supports and implement them in the various implementations. This is not actually used anywhere yet, but will be soon.
101 lines
3.4 KiB
C++
101 lines
3.4 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( 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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CHECK( b.GetPreferredSizeAtScale(3 ) == bigger );
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}
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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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#endif // wxHAS_SVG
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