private void DrawChar(DrawingContext drawingContext, float x, float y, Rect charSourceRect, ColorMultiplier multiplier)
{
ImageBrush imageBrush = new ImageBrush(fontSource)
{
Viewbox = charSourceRect,
ViewboxUnits = BrushMappingMode.Absolute
};
if (multiplier.r == 1.0f &&
multiplier.g == 1.0f &&
multiplier.b == 1.0f)
{
drawingContext.DrawRectangle(imageBrush, null, new Rect(x, y, charSourceRect.Width, charSourceRect.Height));
}
else
{
drawingContext.PushOpacityMask(imageBrush);
SolidColorBrush colorBrush = new SolidColorBrush(
Color.FromRgb(
(byte)(multiplier.r * 255),
(byte)(multiplier.g * 255),
(byte)(multiplier.b * 255)));
drawingContext.DrawRectangle(colorBrush, null, new Rect(x, y, charSourceRect.Width, charSourceRect.Height));
drawingContext.Pop();
}
}
protected override void RenderElementUntransformed(DrawingContext drawingContext, ColorMultiplier multiplier, bool isTop)
{
base.RenderElementUntransformed(drawingContext, multiplier, isTop);
if (!CurrentVisibility && !isTop)
{
return;
}
multiplier.Scale(textBox.TextRed / 255.0f, textBox.TextGreen / 255.0f, textBox.TextBlue / 255.0f);
font.DrawByteArray(
textBox.TextBuffer,
textBox.Width,
textBox.Height,
new TextBoxAttributes()
{
xAlign = textBox.XAlignment,
yAlign = textBox.YAlignment,
multiline = textBox.Multiline,
wordWrap = textBox.WordWrap
},
(outX, outY, x, y, width, height) => DrawChar(drawingContext, outX, outY, new Rect(x, y, width, height), multiplier));
}
public void RenderElement(DrawingContext drawingContext) => RenderElement(drawingContext, ColorMultiplier.One(), true);
internal abstract void RenderElement(DrawingContext drawingContext, ColorMultiplier multiplier, bool isTop);
protected override void RenderElementUntransformed(DrawingContext drawingContext, ColorMultiplier multiplier, bool forceVisible)
{
if (!CurrentVisibility && !forceVisible && VisibilityClock == null)
return;
if (SpriteClocks == null)
{
foreach (UIElementModel child in Children)
{
child.RenderElement(drawingContext, multiplier, false);
}
}
else
{
int index = 0;
foreach (UIElementModel child in Children)
{
if (!(child is UISpriteGroupModel groupModel))
continue;
if (!groupModel.IsSpriteCollectionChild)
continue;
drawingContext.PushOpacity(child.CurrentVisibility ? 1 : 0, SpriteClocks[index]);
child.RenderElement(drawingContext, multiplier, true);
drawingContext.Pop();
index++;
}
}
}
