/// <summary>
/// Render the clipping region of the provided <see cref="UIElement"/>.
/// </summary>
/// <param name="element">The element to render.</param>
/// <param name="context">The rendering context containing information how to draw the element.</param>
/// <remarks>The render target, the depth stencil buffer and the depth stencil state are already correctly set when entering this function.
/// If the user wants to perform some intermediate rendering, it is his responsibility to bind them back correctly before the final rendering.</remarks>
public virtual void RenderClipping(UIElement element, UIRenderingContext context)
{
// Default implementation: render an back-face cube
Batch.DrawBackground(ref element.WorldMatrixInternal, ref element.RenderSizeInternal, ref blackColor, context.DepthBias);
// increase the context depth bias for next elements.
context.DepthBias += 1;
}
private void RenderSelection(EditText editText, UIRenderingContext context, int start, int length, Color color, out float offsetTextStart, out float offsetAlignment, out float selectionSize)
{
// calculate the size of the text region by removing padding
var textRegionSize = new Vector2(editText.ActualWidth - editText.Padding.Left - editText.Padding.Right,
editText.ActualHeight - editText.Padding.Top - editText.Padding.Bottom);
var font = editText.Font;
// determine the image to draw in background of the edit text
var fontScale = editText.LayoutingContext.RealVirtualResolutionRatio;
var provider = editText.IsSelectionActive ? editText.ActiveImage : editText.MouseOverState == MouseOverState.MouseOverElement ? editText.MouseOverImage : editText.InactiveImage;
var image = provider?.GetSprite();
var fontSize = new Vector2(fontScale.Y * editText.ActualTextSize);
offsetTextStart = font.MeasureString(editText.TextToDisplay, ref fontSize, start).X;
selectionSize = font.MeasureString(editText.TextToDisplay, ref fontSize, start + length).X - offsetTextStart;
var lineSpacing = font.GetTotalLineSpacing(editText.ActualTextSize);
if (font.FontType == SpriteFontType.Dynamic)
{
offsetTextStart /= fontScale.X;
selectionSize /= fontScale.X;
}
var scaleRatio = editText.ActualTextSize / font.Size;
if (font.FontType == SpriteFontType.SDF)
{
offsetTextStart *= scaleRatio;
selectionSize *= scaleRatio;
lineSpacing *= editText.ActualTextSize / font.Size;
}
offsetAlignment = -textRegionSize.X / 2f;
if (editText.TextAlignment != TextAlignment.Left)
{
var textWidth = font.MeasureString(editText.TextToDisplay, ref fontSize).X;
if (font.FontType == SpriteFontType.Dynamic)
{
textWidth /= fontScale.X;
}
if (font.FontType == SpriteFontType.SDF)
{
textWidth *= scaleRatio;
}
offsetAlignment = editText.TextAlignment == TextAlignment.Center ? -textWidth / 2 : -textRegionSize.X / 2f + (textRegionSize.X - textWidth);
}
var selectionWorldMatrix = editText.WorldMatrixInternal;
selectionWorldMatrix.M41 += offsetTextStart + selectionSize / 2 + offsetAlignment;
var selectionScaleVector = new Vector3(selectionSize, editText.LineCount * lineSpacing, 0);
Batch.DrawRectangle(ref selectionWorldMatrix, ref selectionScaleVector, ref color, context.DepthBias + 1);
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
var htmlControl = (HtmlControl)element;
if (htmlControl == null)
{
return;
}
if (htmlControl.SessionGuid == Guid.Empty && !string.IsNullOrEmpty(htmlControl.Url))
{
htmlControl.SessionGuid = Guid.NewGuid();
uint width = (uint)context.Resolution.X;
uint height = (uint)context.Resolution.Y;
UltralightThreaded.CreateSession(htmlControl.SessionGuid, width, height);
UltralightThreaded.LoadUrl(htmlControl.SessionGuid, htmlControl.Url);
htmlControl.InitSession();
}
if (!UltralightThreaded.IsSessionReady(htmlControl.SessionGuid))
{
return;
}
var view = UltralightThreaded.GetSessionView(htmlControl.SessionGuid);
if (view == null)
{
return;
}
var cachedTexture = htmlControl.GetCacheTexture(view, GraphicsDevice, context.GraphicsContext);
if (cachedTexture != null)
{
var sourceRect = new RectangleF(0, 0, cachedTexture.Width, cachedTexture.Height);
var colorTint = Color.White;
var worldMatrix = element.WorldMatrix;
var renderSize = element.RenderSize;
var borderSize = Vector4.Zero;
Batch.DrawImage(cachedTexture, ref worldMatrix, ref sourceRect,
ref renderSize, ref borderSize,
ref colorTint, context.DepthBias, ImageOrientation.AsIs);
}
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
var button = (Button)element;
var sprite = button.ButtonImage;
if (sprite?.Texture == null)
{
return;
}
var color = element.RenderOpacity * Color.White;
Batch.DrawImage(sprite.Texture, ref element.WorldMatrixInternal, ref sprite.RegionInternal, ref element.RenderSizeInternal, ref sprite.BordersInternal, ref color, context.DepthBias, sprite.Orientation);
}
/// <summary>
/// Render the provided <see cref="UIElement"/>.
/// </summary>
/// <param name="element">The element to render.</param>
/// <param name="context">The rendering context containing information how to draw the element.</param>
/// <remarks>The render target, the depth stencil buffer and the depth stencil state are already correctly set when entering this function.
/// If the user wants to perform some intermediate rendering, it is his responsibility to bind them back correctly before the final rendering.</remarks>
public virtual void RenderColor(UIElement element, UIRenderingContext context)
{
var backgroundColor = element.RenderOpacity * element.BackgroundColor;
// optimization: don't draw the background if transparent
if (backgroundColor == new Color())
{
return;
}
// Default implementation: render an back-face cube with background color
Batch.DrawBackground(ref element.WorldMatrixInternal, ref element.RenderSizeInternal, ref backgroundColor, context.DepthBias);
// increase depth bias value so that next elements renders on top of it.
context.DepthBias += 1;
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
var decorator = (ContentDecorator)element;
var sprite = decorator.BackgroundImage?.GetSprite();
if (sprite?.Texture == null)
{
return;
}
var color = element.RenderOpacity * Color.White;
Batch.DrawImage(sprite.Texture, ref element.WorldMatrixInternal, ref sprite.RegionInternal, ref element.RenderSizeInternal, ref sprite.BordersInternal, ref color, context.DepthBias, sprite.Orientation);
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
var image = (ImageElement)element;
var sprite = image.Source?.GetSprite();
if (sprite?.Texture == null)
{
return;
}
var color = element.RenderOpacity * image.Color;
Batch.DrawImage(sprite.Texture, ref element.WorldMatrixInternal, ref sprite.RegionInternal, ref element.RenderSizeInternal, ref sprite.BordersInternal, ref color, context.DepthBias, sprite.Orientation);
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
var bar = (ScrollBar)element;
// round the size of the bar to nearest pixel modulo to avoid to have a bar varying by one pixel length while scrolling
var barSize = bar.RenderSizeInternal;
var realVirtualRatio = bar.LayoutingContext.RealVirtualResolutionRatio;
for (var i = 0; i < 2; i++)
{
barSize[i] = (float)(Math.Ceiling(barSize[i] * realVirtualRatio[i]) / realVirtualRatio[i]);
}
Batch.DrawRectangle(ref element.WorldMatrixInternal, ref barSize, ref bar.BarColorInternal, context.DepthBias);
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
var modalElement = (ModalElement)element;
// end the current UI image batching so that the overlay is written over it with correct transparency
Batch.End();
var uiResolution = new Vector3(context.Resolution.X, context.Resolution.Y, 0);
Batch.Begin(context.GraphicsContext, ref context.ViewProjectionMatrix, BlendStates.AlphaBlend, noStencilNoDepth, 0);
Batch.DrawRectangle(ref identity, ref uiResolution, ref modalElement.OverlayColorInternal, context.DepthBias);
Batch.End(); // ensure that overlay is written before possible next transparent element.
// restart the image batch session
Batch.Begin(context.GraphicsContext, ref context.ViewProjectionMatrix, BlendStates.AlphaBlend, KeepStencilValueState, context.StencilTestReferenceValue);
context.DepthBias += 1;
base.RenderColor(element, context);
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
var textBlock = (TextBlock)element;
if (textBlock.Font == null || textBlock.TextToDisplay == null)
{
return;
}
var drawCommand = new SpriteFont.InternalUIDrawCommand
{
Color = textBlock.RenderOpacity * textBlock.TextColor,
DepthBias = context.DepthBias,
RealVirtualResolutionRatio = element.LayoutingContext.RealVirtualResolutionRatio,
RequestedFontSize = textBlock.ActualTextSize,
Batch = Batch,
SnapText = context.ShouldSnapText && !textBlock.DoNotSnapText,
Matrix = textBlock.WorldMatrixInternal,
Alignment = textBlock.TextAlignment,
TextBoxSize = new Vector2(textBlock.ActualWidth, textBlock.ActualHeight)
};
if (textBlock.Font.FontType == SpriteFontType.SDF)
{
Batch.End();
Batch.BeginCustom(context.GraphicsContext, 1);
}
Batch.DrawString(textBlock.Font, textBlock.TextToDisplay, ref drawCommand);
if (textBlock.Font.FontType == SpriteFontType.SDF)
{
Batch.End();
Batch.BeginCustom(context.GraphicsContext, 0);
}
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
var scrollingText = (ScrollingText)element;
if (scrollingText.Font == null || scrollingText.TextToDisplay == null)
{
return;
}
var offset = scrollingText.ScrollingOffset;
var textWorldMatrix = element.WorldMatrix;
textWorldMatrix.M41 += textWorldMatrix.M11 * offset;
textWorldMatrix.M42 += textWorldMatrix.M12 * offset;
textWorldMatrix.M43 += textWorldMatrix.M13 * offset;
textWorldMatrix.M44 += textWorldMatrix.M14 * offset;
// create the scrolling text draw command
var drawCommand = new SpriteFont.InternalUIDrawCommand
{
Color = scrollingText.RenderOpacity * scrollingText.TextColor,
DepthBias = context.DepthBias + 1,
RealVirtualResolutionRatio = element.LayoutingContext.RealVirtualResolutionRatio,
RequestedFontSize = scrollingText.ActualTextSize,
Batch = Batch,
SnapText = context.ShouldSnapText && !scrollingText.DoNotSnapText,
Matrix = textWorldMatrix,
Alignment = TextAlignment.Left,
TextBoxSize = new Vector2(scrollingText.ActualWidth, scrollingText.ActualHeight)
};
// flush the current content of the UI image batch
Batch.End();
// draw a clipping mask
Batch.Begin(context.GraphicsContext, ref context.ViewProjectionMatrix, BlendStates.ColorDisabled, IncreaseStencilValueState, context.StencilTestReferenceValue);
Batch.DrawRectangle(ref element.WorldMatrixInternal, ref element.RenderSizeInternal, ref blackColor, context.DepthBias);
Batch.End();
// draw the element it-self with stencil test value of "Context.Value + 1"
Batch.Begin(context.GraphicsContext, ref context.ViewProjectionMatrix, BlendStates.AlphaBlend, KeepStencilValueState, context.StencilTestReferenceValue + 1);
if (scrollingText.Font.FontType == SpriteFontType.SDF)
{
Batch.End();
Batch.BeginCustom(context.GraphicsContext, 1);
}
Batch.DrawString(scrollingText.Font, scrollingText.TextToDisplay, ref drawCommand);
Batch.End();
// un-draw the clipping mask
Batch.Begin(context.GraphicsContext, ref context.ViewProjectionMatrix, BlendStates.ColorDisabled, DecreaseStencilValueState, context.StencilTestReferenceValue + 1);
Batch.DrawRectangle(ref element.WorldMatrixInternal, ref element.RenderSizeInternal, ref blackColor, context.DepthBias + 2);
Batch.End();
// restart the Batch session
Batch.Begin(context.GraphicsContext, ref context.ViewProjectionMatrix, BlendStates.AlphaBlend, KeepStencilValueState, context.StencilTestReferenceValue);
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
var editText = (EditText)element;
if (editText.Font == null)
{
return;
}
// determine the image to draw in background of the edit text
var fontScale = element.LayoutingContext.RealVirtualResolutionRatio;
var color = editText.RenderOpacity * Color.White;
var provider = editText.IsSelectionActive ? editText.ActiveImage : editText.MouseOverState == MouseOverState.MouseOverElement ? editText.MouseOverImage : editText.InactiveImage;
var image = provider?.GetSprite();
if (image?.Texture != null)
{
Batch.DrawImage(image.Texture, ref editText.WorldMatrixInternal, ref image.RegionInternal, ref editText.RenderSizeInternal, ref image.BordersInternal, ref color, context.DepthBias, image.Orientation);
}
// calculate the size of the text region by removing padding
var textRegionSize = new Vector2(editText.ActualWidth - editText.Padding.Left - editText.Padding.Right,
editText.ActualHeight - editText.Padding.Top - editText.Padding.Bottom);
var font = editText.Font;
var caretColor = editText.RenderOpacity * editText.CaretColor;
var offsetTextStart = 0f;
var offsetAlignment = 0f;
var selectionSize = 0f;
// Draw the composition selection
if (editText.Composition.Length > 0)
{
var imeSelectionColor = editText.RenderOpacity * editText.IMESelectionColor;
RenderSelection(editText, context, editText.SelectionStart, editText.Composition.Length, imeSelectionColor, out offsetTextStart, out offsetAlignment, out selectionSize);
}
// Draw the regular selection
else if (editText.IsSelectionActive)
{
var selectionColor = editText.RenderOpacity * editText.SelectionColor;
RenderSelection(editText, context, editText.SelectionStart, editText.SelectionLength, selectionColor, out offsetTextStart, out offsetAlignment, out selectionSize);
}
// create the text draw command
var drawCommand = new SpriteFont.InternalUIDrawCommand
{
Color = editText.RenderOpacity * editText.TextColor,
DepthBias = context.DepthBias + 2,
RealVirtualResolutionRatio = fontScale,
RequestedFontSize = editText.ActualTextSize,
Batch = Batch,
SnapText = context.ShouldSnapText && !editText.DoNotSnapText,
Matrix = editText.WorldMatrixInternal,
Alignment = editText.TextAlignment,
TextBoxSize = textRegionSize
};
if (editText.Font.FontType == SpriteFontType.SDF)
{
Batch.End();
Batch.BeginCustom(context.GraphicsContext, 1);
}
// Draw the text
Batch.DrawString(font, editText.TextToDisplay, ref drawCommand);
if (editText.Font.FontType == SpriteFontType.SDF)
{
Batch.End();
Batch.BeginCustom(context.GraphicsContext, 0);
}
// Draw the cursor
if (editText.IsCaretVisible)
{
var lineSpacing = editText.Font.GetTotalLineSpacing(editText.ActualTextSize);
if (editText.Font.FontType == SpriteFontType.SDF)
{
lineSpacing *= editText.ActualTextSize / font.Size;
}
var sizeCaret = editText.CaretWidth / fontScale.X;
var caretWorldMatrix = element.WorldMatrixInternal;
caretWorldMatrix.M41 += offsetTextStart + offsetAlignment + (editText.CaretPosition > editText.SelectionStart? selectionSize: 0);
var caretScaleVector = new Vector3(sizeCaret, editText.LineCount * lineSpacing, 0);
Batch.DrawRectangle(ref caretWorldMatrix, ref caretScaleVector, ref caretColor, context.DepthBias + 3);
}
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
Vector3 offsets;
Vector3 borderSize;
var border = (Border)element;
var borderColor = border.RenderOpacity * border.BorderColorInternal;
// optimization: don't draw the border if transparent
if (borderColor == new Color())
{
return;
}
var borderThickness = border.BorderThickness;
var elementHalfBorders = borderThickness / 2;
var elementSize = element.RenderSizeInternal;
var elementHalfSize = elementSize / 2;
// left/front
offsets = new Vector3(-elementHalfSize.X + elementHalfBorders.Left, 0, -elementHalfSize.Z + elementHalfBorders.Front);
borderSize = new Vector3(borderThickness.Left, elementSize.Y, borderThickness.Front);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// right/front
offsets = new Vector3(elementHalfSize.X - elementHalfBorders.Right, 0, -elementHalfSize.Z + elementHalfBorders.Front);
borderSize = new Vector3(borderThickness.Right, elementSize.Y, borderThickness.Front);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// top/front
offsets = new Vector3(0, -elementHalfSize.Y + elementHalfBorders.Top, -elementHalfSize.Z + elementHalfBorders.Front);
borderSize = new Vector3(elementSize.X, borderThickness.Top, borderThickness.Front);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// bottom/front
offsets = new Vector3(0, elementHalfSize.Y - elementHalfBorders.Bottom, -elementHalfSize.Z + elementHalfBorders.Front);
borderSize = new Vector3(elementSize.X, borderThickness.Bottom, borderThickness.Back);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// if the element is 3D draw the extra borders
if (element.ActualDepth > MathUtil.ZeroTolerance)
{
// left/back
offsets = new Vector3(-elementHalfSize.X + elementHalfBorders.Left, 0, elementHalfSize.Z - elementHalfBorders.Back);
borderSize = new Vector3(borderThickness.Left, elementSize.Y, borderThickness.Back);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// right/back
offsets = new Vector3(elementHalfSize.X - elementHalfBorders.Right, 0, elementHalfSize.Z - elementHalfBorders.Back);
borderSize = new Vector3(borderThickness.Right, elementSize.Y, borderThickness.Back);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// top/back
offsets = new Vector3(0, -elementHalfSize.Y + elementHalfBorders.Top, elementHalfSize.Z - elementHalfBorders.Back);
borderSize = new Vector3(elementSize.X, borderThickness.Top, borderThickness.Back);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// bottom/back
offsets = new Vector3(0, elementHalfSize.Y - elementHalfBorders.Bottom, elementHalfSize.Z - elementHalfBorders.Back);
borderSize = new Vector3(elementSize.X, borderThickness.Bottom, borderThickness.Back);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// left/top
offsets = new Vector3(-elementHalfSize.X + elementHalfBorders.Left, -elementHalfSize.Y + elementHalfBorders.Top, 0);
borderSize = new Vector3(borderThickness.Left, borderThickness.Top, elementSize.Z);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// right/top
offsets = new Vector3(elementHalfSize.X - elementHalfBorders.Right, -elementHalfSize.Y + elementHalfBorders.Top, 0);
borderSize = new Vector3(borderThickness.Right, borderThickness.Top, elementSize.Z);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// left/bottom
offsets = new Vector3(-elementHalfSize.X + elementHalfBorders.Left, elementHalfSize.Y - elementHalfBorders.Bottom, 0);
borderSize = new Vector3(borderThickness.Left, borderThickness.Bottom, elementSize.Z);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
// right/bottom
offsets = new Vector3(elementHalfSize.X - elementHalfBorders.Right, elementHalfSize.Y - elementHalfBorders.Bottom, 0);
borderSize = new Vector3(borderThickness.Right, borderThickness.Bottom, elementSize.Z);
DrawBorder(border, ref offsets, ref borderSize, ref borderColor, context);
}
}
private void DrawBorder(Border border, ref Vector3 offsets, ref Vector3 borderSize, ref Color borderColor, UIRenderingContext context)
{
var worldMatrix = border.WorldMatrixInternal;
worldMatrix.M41 += worldMatrix.M11 * offsets.X + worldMatrix.M21 * offsets.Y + worldMatrix.M31 * offsets.Z;
worldMatrix.M42 += worldMatrix.M12 * offsets.X + worldMatrix.M22 * offsets.Y + worldMatrix.M32 * offsets.Z;
worldMatrix.M43 += worldMatrix.M13 * offsets.X + worldMatrix.M23 * offsets.Y + worldMatrix.M33 * offsets.Z;
Batch.DrawCube(ref worldMatrix, ref borderSize, ref borderColor, context.DepthBias);
}
public override void RenderColor(UIElement element, UIRenderingContext context)
{
base.RenderColor(element, context);
var slider = (Slider)element;
if (slider.Orientation == Orientation.InDepth)
{
return; // No rendering for in-depth slider for the moment.
}
var axis = (int)slider.Orientation;
var axisPrime = (axis + 1) % 2;
var color = slider.RenderOpacity * Color.White;
var isGaugeReverted = axis == 1 ? !slider.IsDirectionReversed : slider.IsDirectionReversed; // we want the track going up from the bottom in vertical mode by default
var sliderRatio = MathUtil.InverseLerp(slider.Minimum, slider.Maximum, slider.Value);
var trackOffsets = new Vector2(slider.TrackStartingOffsets[axis], slider.TrackStartingOffsets[axisPrime]);
var fullGaugeSize = slider.RenderSizeInternal[axis] - trackOffsets.X - trackOffsets.Y;
var image = slider.TrackBackgroundImage?.GetSprite();
var trackIdealSize = image != null ? new Vector2?(image.SizeInPixels) : null;
// draws the track background
if (image?.Texture != null)
{
var imageAxis = (int)image.Orientation;
var imageOrientation = (ImageOrientation)(axis ^ imageAxis);
var worldMatrix = GetAdjustedWorldMatrix(ref slider.WorldMatrixInternal, (axis & imageAxis) == 1);
Batch.DrawImage(image.Texture, ref worldMatrix, ref image.RegionInternal, ref slider.RenderSizeInternal, ref image.BordersInternal, ref color, context.DepthBias, imageOrientation);
context.DepthBias += 1;
}
// draw the track foreground
image = slider.TrackForegroundImage?.GetSprite();
if (image?.Texture != null)
{
var imageAxis = (int)image.Orientation;
var imageOrientation = (ImageOrientation)(axis ^ imageAxis);
var shouldRotate180Degrees = (axis & imageAxis) == 1;
var size = new Vector3();
size[axis] = sliderRatio * fullGaugeSize;
size[axisPrime] = image.SizeInPixels.Y;
if (trackIdealSize.HasValue)
{
size[axisPrime] *= slider.RenderSizeInternal[axisPrime] / trackIdealSize.Value.Y;
}
var worldMatrix = GetAdjustedWorldMatrix(ref slider.WorldMatrixInternal, shouldRotate180Degrees);
var halfSizeLeft = (slider.RenderSizeInternal[axis] - size[axis]) / 2;
var worldTranslation = GetAdjustedTranslation(isGaugeReverted ? halfSizeLeft - trackOffsets.Y : trackOffsets.X - halfSizeLeft, shouldRotate180Degrees);
worldMatrix.M41 += worldTranslation * worldMatrix[(axis << 2) + 0];
worldMatrix.M42 += worldTranslation * worldMatrix[(axis << 2) + 1];
worldMatrix.M43 += worldTranslation * worldMatrix[(axis << 2) + 2];
var borders = image.BordersInternal;
var borderStartIndex = (imageAxis) + (slider.IsDirectionReversed? 2 : 0);
var borderStopIndex = (imageAxis) + (slider.IsDirectionReversed ? 0 : 2);
borders[borderStartIndex] = Math.Min(borders[borderStartIndex], size[axis]);
borders[borderStopIndex] = Math.Max(0, size[axis] - fullGaugeSize + borders[borderStopIndex]);
var position = image.RegionInternal.Location;
var oldRegionSize = new Vector2(image.RegionInternal.Width, image.RegionInternal.Height);
var originalBordersSize = image.BordersInternal[borderStartIndex] + image.BordersInternal[borderStopIndex];
var newRegionSize = oldRegionSize;
newRegionSize[imageAxis] = borders[borderStartIndex] + borders[borderStopIndex] + (oldRegionSize[imageAxis] - originalBordersSize) * Math.Min(1, (size[axis] - borders[borderStartIndex]) / (fullGaugeSize - originalBordersSize));
if (slider.IsDirectionReversed)
{
position[imageAxis] = position[imageAxis] + oldRegionSize[imageAxis] - newRegionSize[imageAxis];
}
var region = new RectangleF(position.X, position.Y, newRegionSize.X, newRegionSize.Y);
Batch.DrawImage(image.Texture, ref worldMatrix, ref region, ref size, ref borders, ref color, context.DepthBias, imageOrientation);
context.DepthBias += 1;
}
// draws the ticks
image = slider.TickImage?.GetSprite();
if (slider.AreTicksDisplayed && image?.Texture != null)
{
var imageAxis = (int)image.Orientation;
var imageOrientation = (ImageOrientation)(axis ^ imageAxis);
var shouldRotate180Degrees = (axis & imageAxis) == 1;
var size = new Vector3();
size[axis] = image.SizeInPixels.X;
size[axisPrime] = image.SizeInPixels.Y;
if (trackIdealSize.HasValue)
{
size[axisPrime] *= slider.RenderSizeInternal[axisPrime] / trackIdealSize.Value.Y;
}
var startOffset = new Vector2(GetAdjustedTranslation(slider.TickOffset, shouldRotate180Degrees));
startOffset[axis] = GetAdjustedTranslation(-fullGaugeSize / 2, shouldRotate180Degrees);
if (trackIdealSize.HasValue)
{
startOffset[axisPrime] *= slider.RenderSizeInternal[axisPrime] / trackIdealSize.Value.Y;
}
var stepOffset = GetAdjustedTranslation(fullGaugeSize / slider.TickFrequency, shouldRotate180Degrees);
var worldMatrix = GetAdjustedWorldMatrix(ref slider.WorldMatrixInternal, shouldRotate180Degrees);
worldMatrix.M41 += startOffset[axis] * worldMatrix[(axis << 2) + 0] + startOffset[axisPrime] * worldMatrix[(axisPrime << 2) + 0];
worldMatrix.M42 += startOffset[axis] * worldMatrix[(axis << 2) + 1] + startOffset[axisPrime] * worldMatrix[(axisPrime << 2) + 1];
worldMatrix.M43 += startOffset[axis] * worldMatrix[(axis << 2) + 2] + startOffset[axisPrime] * worldMatrix[(axisPrime << 2) + 2];
for (var i = 0; i < slider.TickFrequency + 1; i++)
{
Batch.DrawImage(image.Texture, ref worldMatrix, ref image.RegionInternal, ref size, ref image.BordersInternal, ref color, context.DepthBias, imageOrientation, SwizzleMode.None, true);
worldMatrix.M41 += stepOffset * worldMatrix[(axis << 2) + 0];
worldMatrix.M42 += stepOffset * worldMatrix[(axis << 2) + 1];
worldMatrix.M43 += stepOffset * worldMatrix[(axis << 2) + 2];
}
context.DepthBias += 1;
}
//draws the thumb
image = (slider.MouseOverState == MouseOverState.MouseOverElement ? slider.MouseOverThumbImage : slider.ThumbImage)?.GetSprite();
if (image?.Texture != null)
{
var imageAxis = (int)image.Orientation;
var imageOrientation = (ImageOrientation)(axis ^ imageAxis);
var shouldRotate180Degrees = (axis & imageAxis) == 1;
var size = new Vector3();
size[axis] = image.SizeInPixels.X;
size[axisPrime] = image.SizeInPixels.Y;
if (trackIdealSize.HasValue)
{
size[axisPrime] *= slider.RenderSizeInternal[axisPrime] / trackIdealSize.Value.Y;
}
var revertedRatio = isGaugeReverted ? 1 - sliderRatio : sliderRatio;
var offset = GetAdjustedTranslation((revertedRatio - 0.5f) * fullGaugeSize, shouldRotate180Degrees);
var worldMatrix = GetAdjustedWorldMatrix(ref slider.WorldMatrixInternal, shouldRotate180Degrees);
worldMatrix.M41 += offset * worldMatrix[(axis << 2) + 0];
worldMatrix.M42 += offset * worldMatrix[(axis << 2) + 1];
worldMatrix.M43 += offset * worldMatrix[(axis << 2) + 2];
Batch.DrawImage(image.Texture, ref worldMatrix, ref image.RegionInternal, ref size, ref image.BordersInternal, ref color, context.DepthBias, imageOrientation);
context.DepthBias += 1;
}
}