public void Prepare(IObject obj, IDrawableInfo drawable, IViewport viewport)
{
_glText = _glText ?? new GLText(_graphics, _fonts, _bitmapPool);
updateBoundingBoxes(obj, drawable, viewport);
_bgRenderer.BoundingBoxes = _usedLabelBoundingBoxes;
_bgRenderer.Prepare(obj, drawable, viewport);
}
private void updateBoundingBoxes(GLText glText, AutoFit autoFit, IGLMatrices textMatrices, IGLMatrices labelMatrices, PointF textScaleUp, PointF textScaleDown, PointF labelResolutionFactor, bool buildRenderBox, bool buildHitTestBox)
{
switch (autoFit)
{
case AutoFit.NoFitting:
build(_labelBoundingBoxes, BaseSize.Width / labelResolutionFactor.X, BaseSize.Height / labelResolutionFactor.Y, labelMatrices, buildRenderBox, buildHitTestBox);
updateText(glText, buildRenderBox, BaseSize, textScaleUp, textScaleDown, int.MaxValue);
build(_textBoundingBoxes, glText.BitmapWidth, glText.BitmapHeight, textMatrices, buildRenderBox, buildHitTestBox);
_usedLabelBoundingBoxes = _labelBoundingBoxes;
_usedTextBoundingBoxes = _textBoundingBoxes;
break;
case AutoFit.TextShouldWrapAndLabelShouldFitHeight:
build(_textBoundingBoxes, glText.BitmapWidth, glText.BitmapHeight, textMatrices, buildRenderBox, buildHitTestBox);
build(_labelBoundingBoxes, BaseSize.Width / labelResolutionFactor.X, glText.Height / labelResolutionFactor.Y, labelMatrices, buildRenderBox, buildHitTestBox);
_usedLabelBoundingBoxes = _labelBoundingBoxes;
_usedTextBoundingBoxes = _textBoundingBoxes;
break;
case AutoFit.TextShouldFitLabel:
build(_labelBoundingBoxes, BaseSize.Width / labelResolutionFactor.X, BaseSize.Height / labelResolutionFactor.Y, labelMatrices, buildRenderBox, buildHitTestBox);
updateText(glText, buildRenderBox, glText.Width > BaseSize.Width ? new SizeF(0f, BaseSize.Height) : BaseSize, textScaleUp, textScaleDown, int.MaxValue);
float textWidth = glText.Width < BaseSize.Width ? glText.BitmapWidth : MathUtils.Lerp(0f, 0f, glText.Width, BaseSize.Width, glText.BitmapWidth);
float textHeight = glText.Height < BaseSize.Height ? glText.BitmapHeight : MathUtils.Lerp(0f, 0f, glText.Height, BaseSize.Height, glText.BitmapHeight);
build(_textBoundingBoxes, textWidth, textHeight, textMatrices, buildRenderBox, buildHitTestBox);
_usedLabelBoundingBoxes = _labelBoundingBoxes;
_usedTextBoundingBoxes = _textBoundingBoxes;
break;
case AutoFit.LabelShouldFitText:
build(_textBoundingBoxes, glText.BitmapWidth, glText.BitmapHeight, textMatrices, buildRenderBox, buildHitTestBox);
build(_labelBoundingBoxes, glText.Width / labelResolutionFactor.X, glText.Height / labelResolutionFactor.Y, labelMatrices, buildRenderBox, buildHitTestBox);
_usedLabelBoundingBoxes = _labelBoundingBoxes;
_usedTextBoundingBoxes = _textBoundingBoxes;
break;
case AutoFit.TextShouldCrop:
build(_labelBoundingBoxes, BaseSize.Width / labelResolutionFactor.X, BaseSize.Height / labelResolutionFactor.Y, labelMatrices, buildRenderBox, buildHitTestBox);
updateText(glText, buildRenderBox, glText.Width > BaseSize.Width ? GLText.EmptySize : new SizeF(BaseSize.Width, GLText.EmptySize.Height), textScaleUp, textScaleDown, (int)BaseSize.Width, true);
float heightOfText = glText.Height < BaseSize.Height ? glText.BitmapHeight : MathUtils.Lerp(0f, 0f, glText.Height, BaseSize.Height, glText.BitmapHeight);
build(_textBoundingBoxes, glText.BitmapWidth, heightOfText, textMatrices, buildRenderBox, buildHitTestBox);
_usedLabelBoundingBoxes = _labelBoundingBoxes;
_usedTextBoundingBoxes = _textBoundingBoxes;
break;
default:
throw new NotSupportedException(autoFit.ToString());
}
}
private void updateText(GLText glText, bool measureOnly, SizeF baseSize, PointF scaleUp, PointF scaleDown, int?maxWidth, bool cropText = false)
{
if (TextVisible)
{
if (Text == null)
{
return;
}
if (glText.SetProperties(baseSize, Text, Config, maxWidth, scaleUp, scaleDown, CaretPosition, RenderCaret, cropText, measureOnly))
{
onBoundingBoxShouldChange();
}
}
}
public void Prepare(IObject obj, IDrawableInfoComponent drawable, IViewport viewport)
{
if (!TextBackgroundVisible && !TextVisible)
{
return;
}
if (_lastObject != obj)
{
IBlockingEvent boxChangeEvent = obj.GetComponent <IBoundingBoxComponent>()?.OnBoundingBoxesChanged ?? new AGSEvent();
AGSBoundingBoxComponent box = new AGSBoundingBoxComponent(_settings, _viewport,
_labelBoundingBoxFakeBuilder, _state, _events, boxChangeEvent);
obj.RemoveComponent <IBoundingBoxComponent>();
obj.AddComponent <IBoundingBoxComponent>(box);
_lastObject = obj;
foreach (var binding in _bindings)
{
binding?.Unbind();
}
var scaleBinding = obj.Bind <IScaleComponent>(c => c.PropertyChanged += onScalePropertyChanged, c => c.PropertyChanged -= onScalePropertyChanged);
var matrixBinding = obj.Bind <IModelMatrixComponent>(c => c.OnMatrixChanged.Subscribe(onMatrixChanged), c => c.OnMatrixChanged.Unsubscribe(onMatrixChanged));
var drawableBinding = obj.Bind <IDrawableInfoComponent>(c => c.PropertyChanged += onDrawablePropertyChanged, c => c.PropertyChanged -= onDrawablePropertyChanged);
onBoundingBoxShouldChange();
_bindings.Clear();
_bindings.Add(scaleBinding);
_bindings.Add(matrixBinding);
_bindings.Add(drawableBinding);
}
_glTextHitTest = _glTextHitTest ?? new GLText(_graphics, _messagePump, _fonts, _bitmapPool, false);
_glTextRender = _glTextRender ?? new GLText(_graphics, _messagePump, _fonts, _bitmapPool, true);
updateBoundingBoxes(obj, drawable, viewport);
if (_usedLabelBoundingBoxes != null)
{
_labelBoundingBoxFakeBuilder.BoundingBoxes = _usedLabelBoundingBoxes;
}
_bgRenderer.Prepare(obj, drawable, viewport);
Width = _usedLabelBoundingBoxes == null ? 1f : _usedLabelBoundingBoxes.RenderBox.Width;
Height = _usedLabelBoundingBoxes == null ? 1f : _usedLabelBoundingBoxes.RenderBox.Height;
}