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 viewportSize = GraphicsDevice.Viewport;
var virtualResolution = GetCurrentResolution();
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.IsDynamic ? resolutionRatio : Vector2.One);
var drawCommand = new SpriteFont.InternalDrawCommand(this, ref fontSize2, ref position, ref color, rotation, ref origin, ref 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(ref text, ref drawCommand, alignment);
}
internal void DrawString(SpriteFont font, string text, ref SpriteFont.InternalUIDrawCommand drawCommand)
{
if (font == null)
{
throw new ArgumentNullException("font");
}
if (text == null)
{
throw new ArgumentNullException("text");
}
var proxy = new SpriteFont.StringProxy(text);
// shift the string position so that it is written from the left/top corner of the element
var leftTopCornerOffset = drawCommand.TextBoxSize / 2;
var worldMatrix = drawCommand.Matrix;
worldMatrix.M41 -= worldMatrix.M11 * leftTopCornerOffset.X + worldMatrix.M21 * leftTopCornerOffset.Y;
worldMatrix.M42 -= worldMatrix.M12 * leftTopCornerOffset.X + worldMatrix.M22 * leftTopCornerOffset.Y;
worldMatrix.M43 -= worldMatrix.M13 * leftTopCornerOffset.X + worldMatrix.M23 * leftTopCornerOffset.Y;
// transform the world matrix into the world view project matrix
Matrix.MultiplyTo(ref worldMatrix, ref viewProjectionMatrix, out drawCommand.Matrix);
// do not snap static fonts when real/virtual resolution does not match.
if (font.FontType == SpriteFontType.SDF)
{
drawCommand.SnapText = false;
float scaling = drawCommand.RequestedFontSize / font.Size;
drawCommand.RealVirtualResolutionRatio = 1 / new Vector2(scaling, scaling);
}
else if ((font.FontType == SpriteFontType.Static))
{
if ((drawCommand.RealVirtualResolutionRatio.X != 1 || drawCommand.RealVirtualResolutionRatio.Y != 1))
{
drawCommand.SnapText = false; // we don't want snapping of the resolution of the screen does not match virtual resolution. (character alignment problems)
}
drawCommand.RealVirtualResolutionRatio = Vector2.One; // ensure that static font are not scaled internally
}
// snap draw start position to prevent characters to be drawn in between two pixels
if (drawCommand.SnapText)
{
var invW = 1.0f / drawCommand.Matrix.M44;
var backBufferHalfWidth = GraphicsContext.CommandList.RenderTarget.ViewWidth / 2;
var backBufferHalfHeight = GraphicsContext.CommandList.RenderTarget.ViewHeight / 2;
drawCommand.Matrix.M41 *= invW;
drawCommand.Matrix.M42 *= invW;
drawCommand.Matrix.M41 = (float)(Math.Round(drawCommand.Matrix.M41 * backBufferHalfWidth) / backBufferHalfWidth);
drawCommand.Matrix.M42 = (float)(Math.Round(drawCommand.Matrix.M42 * backBufferHalfHeight) / backBufferHalfHeight);
drawCommand.Matrix.M41 /= invW;
drawCommand.Matrix.M42 /= invW;
}
font.InternalUIDraw(GraphicsContext.CommandList, ref proxy, ref drawCommand);
}
internal void DrawString(SpriteFont font, string text, ref SpriteFont.InternalUIDrawCommand drawCommand)
{
if (font == null)
{
throw new ArgumentNullException("font");
}
if (text == null)
{
throw new ArgumentNullException("text");
}
var proxy = new SpriteFont.StringProxy(text);
// shift the string position so that it is written from the left/top corner of the element
var offsets = drawCommand.Size / 2;
var worldMatrix = drawCommand.Matrix;
worldMatrix.M41 -= worldMatrix.M11 * offsets.X + worldMatrix.M21 * offsets.Y;
worldMatrix.M42 -= worldMatrix.M12 * offsets.X + worldMatrix.M22 * offsets.Y;
worldMatrix.M43 -= worldMatrix.M13 * offsets.X + worldMatrix.M23 * offsets.Y;
// transform the world matrix into the world view project matrix
Matrix.MultiplyTo(ref worldMatrix, ref viewProjectionMatrix, out drawCommand.Matrix);
// do not snap static fonts when real/virtual resolution does not match.
if (!font.IsDynamic && (drawCommand.FontScale.X != 1 || drawCommand.FontScale.Y != 1))
{
drawCommand.SnapText = false; // we don't want snapping of the resolution of the screen does not match virtual resolution. (character alignment problems)
drawCommand.FontScale = Vector2.One; // ensure that static font are not scaled internally
}
// snap draw start position to prevent characters to be drawn in between two pixels
if (drawCommand.SnapText)
{
var invW = 1.0f / drawCommand.Matrix.M44;
var backBufferHalfWidth = GraphicsDevice.BackBuffer.ViewWidth / 2;
var backBufferHalfHeight = GraphicsDevice.BackBuffer.ViewHeight / 2;
drawCommand.Matrix.M41 *= invW;
drawCommand.Matrix.M42 *= invW;
drawCommand.Matrix.M41 = (float)(Math.Round(drawCommand.Matrix.M41 * backBufferHalfWidth) / backBufferHalfWidth);
drawCommand.Matrix.M42 = (float)(Math.Round(drawCommand.Matrix.M42 * backBufferHalfHeight) / backBufferHalfHeight);
drawCommand.Matrix.M41 /= invW;
drawCommand.Matrix.M42 /= invW;
}
font.InternalUIDraw(ref proxy, ref drawCommand);
}
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);
}
