private Vector2 CalculateTextSize(SpriteFont.StringProxy textToMeasure)
{
if (Font == null)
{
return(Vector2.Zero);
}
var sizeRatio = LayoutingContext?.RealVirtualResolutionRatio ?? Vector2.One;
var measureFontSize = new Vector2(sizeRatio.Y * ActualTextSize); // we don't want letters non-uniform ratio
var realSize = Font.MeasureString(ref textToMeasure, ref measureFontSize);
// force pre-generation if synchronous generation is required
if (SynchronousCharacterGeneration)
{
Font.PreGenerateGlyphs(ref textToMeasure, ref measureFontSize);
}
if (Font.FontType == SpriteFontType.Dynamic)
{
// rescale the real size to the virtual size
realSize.X /= sizeRatio.X;
realSize.Y /= sizeRatio.Y;
}
else if (Font.Size > 0f)
{
var scaleRatio = ActualTextSize / Font.Size;
realSize.X *= scaleRatio;
realSize.Y *= scaleRatio;
}
return(realSize);
}
private Vector2 CalculateTextSize(SpriteFont.StringProxy textToMeasure)
{
if (Font == null)
{
return(Vector2.Zero);
}
var sizeRatio = RealSizeVirtualResolutionRatio;
var measureFontSize = TextSize * sizeRatio;
var realSize = Font.MeasureString(ref textToMeasure, ref measureFontSize);
// force pre-generation if synchronous generation is required
if (SynchronousCharacterGeneration)
{
Font.PreGenerateGlyphs(ref textToMeasure, ref measureFontSize);
}
if (Font.IsDynamic)
{
// rescale the real size to the virtual size
realSize.X /= sizeRatio.X;
realSize.Y /= sizeRatio.Y;
}
return(realSize);
}
private void DrawString(SpriteFont spriteFont, ref SpriteFont.StringProxy text, float fontSize, ref Vector2 position, ref Color4 color, float rotation, ref Vector2 origin, ref Vector2 scale, SpriteEffects effects, float layerDepth, TextAlignment alignment)
{
if (spriteFont == null)
{
throw new ArgumentNullException("spriteFont");
}
if (text.IsNull)
{
throw new ArgumentNullException("text");
}
if (fontSize < 0)
{
fontSize = spriteFont.Size;
}
// calculate the resolution ratio between the screen real size and the virtual resolution
var commandList = GraphicsContext.CommandList;
var viewportSize = commandList.Viewport;
var virtualResolution = GetCurrentResolution(commandList);
var resolutionRatio = new Vector2(viewportSize.Width / virtualResolution.X, viewportSize.Height / virtualResolution.Y);
scale.X = scale.X / resolutionRatio.X;
scale.Y = scale.Y / resolutionRatio.Y;
var fontSize2 = fontSize * ((spriteFont.FontType == SpriteFontType.Dynamic) ? resolutionRatio : Vector2.One);
var drawCommand = new SpriteFont.InternalDrawCommand(this, in fontSize2, in position, in color, rotation, in origin, in scale, effects, layerDepth);
// snap the position the closest 'real' pixel
Vector2.Modulate(ref drawCommand.Position, ref resolutionRatio, out drawCommand.Position);
drawCommand.Position.X = (float)Math.Round(drawCommand.Position.X);
drawCommand.Position.Y = (float)Math.Round(drawCommand.Position.Y);
drawCommand.Position.X /= resolutionRatio.X;
drawCommand.Position.Y /= resolutionRatio.Y;
spriteFont.InternalDraw(commandList, ref text, ref drawCommand, alignment);
}
private void DrawString(SpriteFont spriteFont, ref SpriteFont.StringProxy text, float fontSize, ref Vector2 position, ref Color4 color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth, TextAlignment alignment)
{
DrawString(spriteFont, ref text, fontSize, ref position, ref color, rotation, ref origin, ref scale, effects, layerDepth, alignment);
}
/// <summary>Adds a string to a batch of sprites for rendering using the specified font, text, position, color, rotation, origin, scale, effects and layer.</summary>
/// <param name="spriteFont">A font for displaying text.</param>
/// <param name="text">Text string.</param>
/// <param name="fontSize">The font size in pixels (ignored in the case of static fonts)</param>
/// <param name="position">The location (in screen coordinates) to draw the sprite.</param>
/// <param name="color">The color to tint a sprite. Use Color.White for full color with no tinting.</param>
/// <param name="rotation">Specifies the angle (in radians) to rotate the sprite about its center.</param>
/// <param name="origin">The sprite origin in virtual pixels; the default is (0,0) which represents the upper-left corner.</param>
/// <param name="scale">Scale factor.</param>
/// <param name="effects">Effects to apply.</param>
/// <param name="layerDepth">The depth of a layer. By default, 0 represents the front layer and 1 represents a back layer. Use SpriteSortMode if you want sprites to be sorted during drawing.</param>
/// <param name="alignment">Describes how to align the text to draw</param>
public void DrawString(SpriteFont spriteFont, StringBuilder text, float fontSize, Vector2 position, Color4 color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth, TextAlignment alignment)
{
var proxy = new SpriteFont.StringProxy(text);
DrawString(spriteFont, ref proxy, fontSize, ref position, ref color, rotation, ref origin, ref scale, effects, layerDepth, alignment);
}
/// <summary>Adds a string to a batch of sprites for rendering using the specified font, text, position, and color.</summary>
/// <param name="spriteFont">A font for displaying text.</param>
/// <param name="text">Text string.</param>
/// <param name="fontSize">The font size in pixels (ignored in the case of static fonts)</param>
/// <param name="position">The location (in screen coordinates) to draw the sprite.</param>
/// <param name="color">The color to tint a sprite. Use Color.White for full color with no tinting.</param>
/// <param name="alignment">Describes how to align the text to draw</param>
public void DrawString(SpriteFont spriteFont, StringBuilder text, float fontSize, Vector2 position, Color4 color, TextAlignment alignment = TextAlignment.Left)
{
var proxy = new SpriteFont.StringProxy(text);
DrawString(spriteFont, ref proxy, fontSize, ref position, ref color, 0, Vector2.Zero, Vector2.One, SpriteEffects.None, 0f, alignment);
}