private void DrawText(IZenDrawable drawable)
{
var FONT_SIZE = 56;
var X_TRANSLATE = 40;
var Y_TRANSLATE = 40;
var MAX_WIDTH = 940;
var MAX_HEIGHT = 492 - 30; // 30 is for Author name
var quote = $" {drawable.Message}";
var textOptions = new TextGraphicsOptions()
{
WrapTextWidth = MAX_WIDTH, VerticalAlignment = VerticalAlignment.Center
};
var font = new Font(_font, FONT_SIZE, FontStyle.Bold);
var currentHeight = 0f;
var currentWidth = 0f;
while (true)
{
var renderOptions = new RendererOptions(font, 72)
{
WrappingWidth = textOptions.WrapTextWidth
};
var textMeasure = TextMeasurer.Measure(quote, renderOptions);
currentHeight = textMeasure.Height;
currentWidth = textMeasure.Width;
if (currentHeight >= MAX_HEIGHT)
{
FONT_SIZE -= 8;
font = new Font(_font, FONT_SIZE, FontStyle.Bold);
}
else
{
break;
}
}
var yDraw = (MAX_HEIGHT - currentHeight) > Y_TRANSLATE * 2 ? IMAGE_HEIGHT / 2 - Y_TRANSLATE * 2 : IMAGE_HEIGHT / 2;
//_image.DrawText(quote, font, Brushes.Solid(Rgba32.White), Pens.Solid<Rgba32>(new SolidBrush<Rgba32>(Rgba32.Black), 1), new Vector2(X_TRANSLATE, yDraw), textOptions);
_image.DrawText(quote, font, Brushes.Solid(Rgba32.White), Pens.Solid(Rgba32.Black, 1), new Vector2(X_TRANSLATE, yDraw), textOptions);
// Drawing Author name
textOptions = new TextGraphicsOptions()
{
HorizontalAlignment = HorizontalAlignment.Right, VerticalAlignment = VerticalAlignment.Top
};
_image.DrawText(drawable.Author, _fontAuthor, Rgba32.White, new Vector2(currentWidth + X_TRANSLATE, yDraw + currentHeight / 2 + 10), textOptions);
}
public ZenQuoteImage(IZenDrawable drawable, IHostingEnvironment _hostingEnvironment)
{
Random rdn = new Random();
var quoteBackground = rdn.Next(1, BACK_NUM + 1);
_image = Image.Load($"{_hostingEnvironment.ContentRootPath}\\wwwroot\\img\\back{quoteBackground}.jpg");
_fonts = new FontCollection();
//_font = _fonts.Install($"{_hostingEnvironment.ContentRootPath}\\wwwroot\\fonts\\Cousine-Italic.ttf");
_font = _fonts.Install($"{_hostingEnvironment.ContentRootPath}\\wwwroot\\fonts\\Flamante-Roma-Medium.ttf");
_fontAuthor = new Font(_fonts.Install($"{_hostingEnvironment.ContentRootPath}\\wwwroot\\fonts\\Cousine.ttf"), 30);
DrawText(drawable);
}
