async Task GenerateCxCodeAsync(LottieVisualDiagnostics diagnostics, string suggestedClassName, IStorageFile cppFile)
{
// Ask the user to pick a name for the .h file.
var filePicker = new FileSavePicker
{
SuggestedStartLocation = PickerLocationId.DocumentsLibrary,
SuggestedFileName = suggestedClassName,
};
// Dropdown of file types the user can save the file as
filePicker.FileTypeChoices.Add("C++ CX header", new[] { ".h" });
var hFile = await filePicker.PickSaveFileAsync();
if (hFile == null)
{
// No header file chosen - give up.
return;
}
// Generate the .cpp and the .h text.
diagnostics.GenerateCxCode(hFile.Name, out var cppText, out var hText);
// Write the .cpp file.
await FileIO.WriteTextAsync(cppFile, cppText);
// Write the .h file if the user specified one.
if (hFile != null)
{
await FileIO.WriteTextAsync(hFile, hText);
}
}
IEnumerable <Tuple <string, string> > DiagnosticsToProperties(LottieVisualDiagnostics diagnostics)
{
yield return(Tuple.Create("File name", diagnostics.FileName));
yield return(Tuple.Create("Duration", $"{diagnostics.Duration.TotalSeconds.ToString("#,##0.0##")} secs"));
var aspectRatio = FloatToRatio(diagnostics.LottieWidth / diagnostics.LottieHeight);
yield return(Tuple.Create("Aspect ratio", $"{aspectRatio.Item1.ToString("0.###")}:{aspectRatio.Item2.ToString("0.###")}"));
yield return(Tuple.Create("Size", $"{diagnostics.LottieWidth} x {diagnostics.LottieHeight}"));
foreach (var marker in diagnostics.Markers)
{
yield return(Tuple.Create("Marker", $"{marker.Key}: {marker.Value.ToString("0.0###")}"));
}
}
async Task GenerateCxCodeAsync(LottieVisualDiagnostics diagnostics, string suggestedClassName, IStorageFile cppFile)
{
// Ask the user to pick a name for the .h file.
var filePicker = new FileSavePicker
{
SuggestedStartLocation = PickerLocationId.DocumentsLibrary,
SuggestedFileName = suggestedClassName,
};
// Dropdown of file types the user can save the file as
filePicker.FileTypeChoices.Add("C++ CX header", new[] { ".h" });
var hFile = await filePicker.PickSaveFileAsync();
if (hFile == null)
{
// No header file chosen - give up.
return;
}
// Ask the user to pick a name for the ICompositionSource.h file.
var iCompositionSourceFilePicker = new FileSavePicker
{
SuggestedStartLocation = PickerLocationId.DocumentsLibrary,
SuggestedFileName = "ICompositionSource.h",
};
// Dropdown of file types the user can save the file as
iCompositionSourceFilePicker.FileTypeChoices.Add("ICompositionSource header", new[] { ".h" });
var iCompositionSourceHeader = await iCompositionSourceFilePicker.PickSaveFileAsync();
// Generate the .cpp and the .h text.
diagnostics.GenerateCxCode(hFile.Name, out var cppText, out var hText);
// Write the .cpp file.
await FileIO.WriteTextAsync(cppFile, cppText);
// Write the .h file if the user specified one.
if (hFile != null)
{
await FileIO.WriteTextAsync(hFile, hText);
}
// Write the ICompositionSource.h file if the user specified it.
if (iCompositionSourceHeader != null)
{
await FileIO.WriteLinesAsync(iCompositionSourceHeader, new[]
{
"#pragma once",
"namespace Compositions",
"{",
" public interface class ICompositionSource",
" {",
" virtual bool TryCreateAnimatedVisual(",
" Windows::UI::Composition::Compositor^ compositor,",
" Windows::UI::Composition::Visual^* rootVisual,",
" Windows::Foundation::Numerics::float2* size,",
" Windows::Foundation::TimeSpan* duration,",
" Platform::Object^* diagnostics);",
" };",
"}",
string.Empty,
});
}
}
