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Add simple wxBitmapBundle::FromSVG() implementation using NanoSVG

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Add nanosvg submodule and use it in the generic implementation of this
function.

This is incomplete yet and, notably, doesn't cache the rasterized
images, but already shows that using SVG images works (at least in the
toolbar sample).
This commit is contained in:
Vadim Zeitlin
2021-09-28 18:03:55 +01:00
parent 5ebd76156d
commit ac02ae877f
17 changed files with 369 additions and 27 deletions
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33
tests/graphics/bmpbundle.cpp
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@@ -46,3 +46,36 @@ TEST_CASE("BitmapBundle::FromBitmaps", "[bmpbundle]")
CHECK( b.GetBitmap(wxSize(20, 20)).GetSize() == wxSize(20, 20) );
CHECK( b.GetBitmap(wxSize(24, 24)).GetSize() == wxSize(24, 24) );
}
#ifdef wxHAS_RAW_BITMAP
TEST_CASE("BitmapBundle::FromSVG", "[bmpbundle][svg]")
{
static const char svg_data[] =
"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>"
"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">"
"<svg width=\"200\" height=\"200\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns=\"http://www.w3.org/2000/svg\">"
"<g>"
"<circle cx=\"100\" cy=\"100\" r=\"50\" fill=\"blue\"/>"
"</g>"
"</svg>"
;
wxCharBuffer buf(svg_data);
wxBitmapBundle b = wxBitmapBundle::FromSVG(buf.data(), wxSize(20, 20));
REQUIRE( b.IsOk() );
CHECK( b.GetDefaultSize() == wxSize(20, 20) );
CHECK( b.GetBitmap(wxSize(32, 32)).GetSize() == wxSize(32, 32) );
// Check that not using XML header works too.
const char* svg_tag_start = strstr(svg_data, "<svg");
REQUIRE( svg_tag_start );
buf = wxCharBuffer(svg_data);
b = wxBitmapBundle::FromSVG(buf.data(), wxSize(20, 20));
REQUIRE( b.IsOk() );
CHECK( b.GetBitmap(wxSize(16, 16)).GetSize() == wxSize(16, 16) );
}
#endif // wxHAS_RAW_BITMAP