AlphaTab.Rendering.Staves.StaveGroup.Paint C# (CSharp) Method

Paint() public method

public Paint ( float cx, float cy, ICanvas canvas ) : void
cx float
cy float
canvas ICanvas
return void
        public void Paint(float cx, float cy, ICanvas canvas)
        {
            PaintPartial(cx + X, cy + Y, canvas, 0, MasterBars.Count);
        }

Usage Example

        public override void DoLayoutAndRender()
        {
            if (Renderer.Settings.Staves.Count == 0) return;

            var score = Renderer.Score;
            var canvas = Renderer.Canvas;

            var startIndex = Renderer.Settings.Layout.Get("start", 1);
            startIndex--; // map to array index
            startIndex = Math.Min(score.MasterBars.Count - 1, Math.Max(0, startIndex));
            var currentBarIndex = startIndex;

            var endBarIndex = Renderer.Settings.Layout.Get("count", score.MasterBars.Count);
            endBarIndex = startIndex + endBarIndex - 1; // map count to array index
            endBarIndex = Math.Min(score.MasterBars.Count - 1, Math.Max(0, endBarIndex));

            var x = PagePadding[0];
            var y = PagePadding[1];

            _group = CreateEmptyStaveGroup();

            while (currentBarIndex <= endBarIndex)
            {
                _group.AddBars(Renderer.Tracks, currentBarIndex);
                currentBarIndex++;
            }

            _group.X = x;
            _group.Y = y;

            _group.FinalizeGroup(this);

            y += _group.Height + (GroupSpacing * Scale);

            Height = y + PagePadding[3];
            Width = _group.X + _group.Width + PagePadding[2];

            // TODO: Find a good way to render the score partwise
            // we need to precalculate the final height somehow

            canvas.BeginRender(Width, Height);
            canvas.Color = Renderer.RenderingResources.MainGlyphColor;
            canvas.TextAlign = TextAlign.Left;
            _group.Paint(0, 0, Renderer.Canvas);
            var result = canvas.EndRender();
            OnPartialRenderFinished(new RenderFinishedEventArgs
            {
                TotalWidth = Width,
                TotalHeight = y,
                Width = Width,
                Height = Height,
                RenderResult = result
            });
        }