internal void DrawString(SpriteFont font, string text, ref SpriteFont.InternalUIDrawCommand drawCommand)
{
if (font == null)
{
throw new ArgumentNullException(nameof(font));
}
if (text == null)
{
throw new ArgumentNullException(nameof(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 / 2f;
drawCommand.Matrix.M41 -= drawCommand.Matrix.M11 * leftTopCornerOffset.X + drawCommand.Matrix.M21 * leftTopCornerOffset.Y;
drawCommand.Matrix.M42 -= drawCommand.Matrix.M12 * leftTopCornerOffset.X + drawCommand.Matrix.M22 * leftTopCornerOffset.Y;
drawCommand.Matrix.M43 -= drawCommand.Matrix.M13 * leftTopCornerOffset.X + drawCommand.Matrix.M23 * leftTopCornerOffset.Y;
// do not snap static fonts when real/virtual resolution does not match.
if (!drawCommand.IsFullscreen)
{
// we are drawing in 3D, don't snap or scale
drawCommand.SnapText = false;
drawCommand.RealVirtualResolutionRatio.X = 1f;
drawCommand.RealVirtualResolutionRatio.Y = 1f;
}
else 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(nameof(font));
}
if (text == null)
{
throw new ArgumentNullException(nameof(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 / 2f;
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);
drawCommand.SnapText = false;
float scaling = drawCommand.RequestedFontSize / font.Size;
drawCommand.RealVirtualResolutionRatio = 1 / new Vector2(scaling, scaling);
// 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);
}
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, TextVerticalAlignment vert_alignment = TextVerticalAlignment.Top, float lineAdjustment = 0f)
{
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, 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(commandList, ref text, ref drawCommand, alignment, vert_alignment, lineAdjustment);
}
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);
}
