public unsafe void TextRenderer_DrawText_DefaultBackground_RendersTransparent(Func <IDeviceContext, Action> func)
{
using var emf = EmfScope.Create();
DeviceContextState state = new DeviceContextState(emf);
func(new HdcDeviceContextAdapter(emf)).Invoke();
bool success = false;
emf.EnumerateWithState((ref EmfRecord record, DeviceContextState state) =>
{
switch (record.Type)
{
case Gdi32.EMR.EXTTEXTOUTW:
var textOut = record.ExtTextOutWRecord;
Assert.Equal("Acrylic", textOut->emrtext.GetString().ToString());
Assert.Equal(Gdi32.MM.TEXT, state.MapMode);
Assert.Equal(Gdi32.BKMODE.TRANSPARENT, state.BackgroundMode);
Assert.Equal((COLORREF)Color.Blue, state.TextColor);
Assert.Equal(SystemFonts.DefaultFont.Name, state.SelectedFont);
success = true;
return(false);
}
return(true);
},
state);
Assert.True(success, "Did not find the text out record.");
}
public unsafe void CaptureButton()
{
using Button button = new Button();
using var emf = EmfScope.Create();
button.CreateMetafile(emf);
var types = new List <Gdi32.EMR>();
var details = new List <string>();
emf.Enumerate((ref EmfRecord record) =>
{
types.Add(record.Type);
details.Add(record.ToString());
return(true);
});
}
