private PointF findCenter(MemeText m)
{
return(new PointF(
(m.Width / 2) + m.XStartPosition,
(m.Height / 2) + m.YStartPosition
));
}
private async Task <Font> getFont(MemeText m, string text)
{
var fam = SystemFonts.Find("Impact");
var basefont = new Font(fam, 12, FontStyle.Bold);
var imagebox = await Task.Run(
() => TextMeasurer.Measure(text, new RendererOptions(basefont))
);
var yscalefactor = m.Height / imagebox.Height;
var xscalefactor = m.Width / imagebox.Width;
return(new Font(basefont, 12 * (xscalefactor < yscalefactor ? xscalefactor : yscalefactor)));
}
public MagickReadSettings Composition(MemeText m)
{
return(new MagickReadSettings()
{
Font = "Impact",
TextGravity = Gravity.Center,
BackgroundColor = MagickColors.Transparent,
StrokeColor = new MagickColor(m.OutlineColor),
FillColor = new MagickColor(m.FillColor),
Height = m.Height,
Width = m.Width
});
}
public async Task CreateMeme(IDialogContext context, LuisResult result)
{
int memetype = 0;
MemeCreateOrder order = new MemeCreateOrder();
memetype = await ExtractMemeTypeReccomendationFromResult(result);
memetext = await Task.Run(() => ExtractMemeTextReccomendationFromResult(result));
// got a memetype back from the reccomender? fill it in
if (memetype != 0)
{
order.memeOptions = (PopularMemeTypes)memetype;
}
// got text back from the reccomendation engine? fill that in too
if ((memetext.TopText != string.Empty) || (memetext.BottomText != string.Empty))
{
// check if the meme text entity reccomendations came back with anything. If the user used pre-filling syntaxt intents
// then we should just pass those in to the order
order.toptext = (memetext.TopText == String.Empty) ? null : memetext.TopText;
order.bottomtext = (memetext.BottomText == String.Empty) ? null : memetext.BottomText;
}
// if at this point we have enough information to create the meme without prompts, we bypass
// the interactive conversation and just go
if (order.HasEnoughInformationToCreateMeme)
{
Activity reply = context.MakeMessage() as Activity;
await CaptionService.GenerateResultForMemeCreate(memetype, memetext.TopText, memetext.BottomText, reply);
await context.PostAsync(reply);
context.Wait(MessageReceived);
}
// otherwise, spin the converation from where we are (starting from whatever point we're at)
else
{
IFormDialog <MemeCreateOrder> createOrderDialog = MakeMemeCreateInteractiveDialog(order);
context.Call(createOrderDialog, FinalizeMemeCreation);
}
}
/// <summary>
/// Extracts the memetext from a luis result object
/// </summary>
/// <param name="result">the LUIS result object to inspect</param>
/// <returns></returns>
private MemeText ExtractMemeTextReccomendationFromResult(LuisResult result)
{
EntityRecommendation memetexttop;
EntityRecommendation memetextbottom;
MemeText returnMemeTextObject = new MemeText();
// Look for the top text and bottom text reccomendation first
// if both don't have values, only then look for a the entity reccomendation for generalized text
if (!result.TryFindEntity(ENTITY_MEME_TEXT_TOP, out memetexttop))
{
memetexttop = new EntityRecommendation(ENTITY_MEME_TEXT)
{
Entity = ""
};
}
if (!result.TryFindEntity(ENTITY_MEME_TEXT_BOTTOM, out memetextbottom))
{
memetextbottom = new EntityRecommendation(ENTITY_MEME_TEXT)
{
Entity = ""
};
}
// only in this case do we check the general entity reccomendation field
if ((memetextbottom.Entity == "") && (memetexttop.Entity == ""))
{
// if we do find something put it the bottom text field
if (!result.TryFindEntity(ENTITY_MEME_TEXT, out memetextbottom))
{
memetextbottom = new EntityRecommendation(ENTITY_MEME_TEXT)
{
Entity = ""
};
}
}
returnMemeTextObject.TopText = memetexttop.Entity;
returnMemeTextObject.BottomText = memetextbottom.Entity;
return(returnMemeTextObject);
}
