private void OnPaintCanvas(object sender, SKPaintSurfaceEventArgs e)
{
SKImageInfo info = e.Info;
SKSurface surface = e.Surface;
SKCanvas canvas = surface.Canvas;
int surfaceWidth = info.Width;
int surfaceHeight = info.Height;
SKPoint surfaceSize = new SKPoint(surfaceWidth, surfaceHeight);
//絵画開始
//背景色を塗る
canvas.Clear(PaintColors.OutOfRangeBackground.ToSKColor());
//アートボードの絵画
anArtBoard.SizeRecalculation(surfaceSize);
using (SKPaint paint = new SKPaint())
{
paint.Style = SKPaintStyle.Fill;
paint.Color = PaintColors.ArtBoardBackground.ToSKColor();
canvas.DrawRect(anArtBoard.AbsoluteRect, paint);
}
radius = Math.Min(anArtBoard.Size.X, anArtBoard.Size.Y) / 2.0f * 0.7f;
anArtBoard.InProgressPath.StrokeColor = PaintColors.Black;
anArtBoard.InProgressPath.StrokeSize = 5;
anArtBoard.InProgressPath.StrokeJoin = SKStrokeJoin.Round;
anArtBoard.InProgressPath.StrokeCap = SKStrokeCap.Round;
anArtBoard.InProgressPath.Screentone = PaintPatterns.CheckeredPattern(PaintColors.Blue.ToSKColor());
anArtBoard.BezierHandleList.Clear();
anArtBoard.BezierHandleList.Add(
new BezierHandle(
anArtBoard.AbsolutePosition + new SKPoint(anArtBoard.Size.X / 2, anArtBoard.Size.Y / 2 - radius),
anArtBoard.AbsolutePosition + new SKPoint(anArtBoard.Size.X / 2 + radius * controlPointCoefficient, anArtBoard.Size.Y / 2 - radius)));
anArtBoard.BezierHandleList.Add(
new BezierHandle(
anArtBoard.AbsolutePosition + new SKPoint(anArtBoard.Size.X / 2 + radius, anArtBoard.Size.Y / 2),
anArtBoard.AbsolutePosition + new SKPoint(anArtBoard.Size.X / 2 + radius, anArtBoard.Size.Y / 2 + radius * controlPointCoefficient)));
anArtBoard.BezierHandleList.Add(
new BezierHandle(
anArtBoard.AbsolutePosition + new SKPoint(anArtBoard.Size.X / 2, anArtBoard.Size.Y / 2 + radius),
anArtBoard.AbsolutePosition + new SKPoint(anArtBoard.Size.X / 2 - radius * controlPointCoefficient, anArtBoard.Size.Y / 2 + radius)));
anArtBoard.BezierHandleList.Add(
new BezierHandle(
anArtBoard.AbsolutePosition + new SKPoint(anArtBoard.Size.X / 2 - radius, anArtBoard.Size.Y / 2),
anArtBoard.AbsolutePosition + new SKPoint(anArtBoard.Size.X / 2 - radius, anArtBoard.Size.Y / 2 - radius * controlPointCoefficient)));
//絶対座標からアスペクト座標に変換
foreach (var bezierHandle in anArtBoard.BezierHandleList)
{
bezierHandle.AnchorPoint = anArtBoard.MatrixToAspectCoordinates().MapPoint(bezierHandle.AnchorPoint);
bezierHandle.MouseControlPoint = anArtBoard.MatrixToAspectCoordinates().MapPoint(bezierHandle.MouseControlPoint);
}
//暫定Path絵画
if (anArtBoard.BezierHandleList.Count >= 2)
{
anArtBoard.InProgressPath.Reset();
//bezierHandleList -> inProgressPath
anArtBoard.GenerateBezierPath(pathPreview);
anArtBoard.InProgressPath.Transform(this.anArtBoard.InverseMatrixToAbsoluteCoordinates());
canvas.DrawPath(anArtBoard.InProgressPath, anArtBoard.InProgressPath.GetFillPaint());
canvas.DrawPath(anArtBoard.InProgressPath, anArtBoard.InProgressPath.GetStrokePaint());
}
//コントロールポイントを絵画
SKPaint aBezierHandlePaint = new SKPaint()
{
IsAntialias = true,
Style = SKPaintStyle.Stroke,
Color = PaintColors.Lasso.ToSKColor(),
StrokeWidth = 2,
StrokeJoin = SKStrokeJoin.Round,
StrokeCap = SKStrokeCap.Round
};
SKPaint aBezierHandleAnchorPaint = new SKPaint()
{
IsAntialias = true,
Style = SKPaintStyle.Fill,
Color = PaintColors.Lasso.ToSKColor()
};
using (SKPath path = new SKPath())
{
foreach (var aBezierHandle in anArtBoard.BezierHandleList)
{
SKPoint anchorPoint = anArtBoard.InverseMatrixToAbsoluteCoordinates().MapPoint(aBezierHandle.AnchorPoint);
SKPoint mouseControlPoint = anArtBoard.InverseMatrixToAbsoluteCoordinates().MapPoint(aBezierHandle.MouseControlPoint);
SKPoint theOtherControlPoint = anArtBoard.InverseMatrixToAbsoluteCoordinates().MapPoint(aBezierHandle.TheOtherControlPoint);
path.MoveTo(anchorPoint);
path.LineTo(mouseControlPoint);
canvas.DrawCircle(anchorPoint, 4, aBezierHandleAnchorPaint);
path.MoveTo(anchorPoint);
path.LineTo(theOtherControlPoint);
}
canvas.DrawPath(path, aBezierHandlePaint);
}
}
private void OnPaintCanvas(object sender, SKPaintSurfaceEventArgs e)
{
SKImageInfo info = e.Info;
SKSurface surface = e.Surface;
SKCanvas canvas = surface.Canvas;
int surfaceWidth = info.Width;
int surfaceHeight = info.Height;
SKPoint surfaceSize = new SKPoint(surfaceWidth, surfaceHeight);
//絵画開始
//背景色を塗る
canvas.Clear(PaintColors.OutOfRangeBackground.ToSKColor());
//アートボードの絵画
anArtBoard.SizeRecalculation(surfaceSize);
using (SKPaint paint = new SKPaint())
{
paint.Style = SKPaintStyle.Fill;
paint.Color = anArtBoard.BackgroundColor.ToSKColor();
canvas.DrawRect(anArtBoard.AbsoluteRect, paint);
}
//completedPathList絵画
//foreach (var aLayer in aManga.PageList[this.currentPageNumber].LayerList)の逆順: (2→1→0)
for (int index = aManga.PageList[this.currentPageNumber].LayerList.Count - 1; 0 <= index; index--)
{
var aLayer = aManga.PageList[this.currentPageNumber].LayerList[index];
foreach (var aCompletedPath in aLayer.CompletedPathList)
{
if (!aCompletedPath.IsVisibility)
{
continue;
}
SKPath aPath = new SKPath(aCompletedPath);//ディープコピー(aCompletedPathが拡大され続けるのを防ぐ)
aPath.Transform(this.anArtBoard.InverseMatrixToAbsoluteCoordinates());
canvas.DrawPath(aPath, aCompletedPath.GetFillBlendPaint(anArtBoard.BackgroundColor));
canvas.DrawPath(aPath, aCompletedPath.GetFillPaint());
canvas.DrawPath(aPath, aCompletedPath.GetStrokePaint(this.anArtBoard.ScaleFactor));
}
}
//暫定Path絵画
if (anArtBoard.BezierHandleList.Count >= 2)
{
anArtBoard.InProgressPath.Reset();
//bezierHandleList -> inProgressPath
anArtBoard.GenerateBezierPath((PathPreviewAlgorithms)SaveProperties.PathPreviewAlgorithms);
anArtBoard.InProgressPath.Transform(this.anArtBoard.InverseMatrixToAbsoluteCoordinates());
canvas.DrawPath(anArtBoard.InProgressPath, anArtBoard.InProgressPath.GetFillBlendPaint(anArtBoard.BackgroundColor));
canvas.DrawPath(anArtBoard.InProgressPath, anArtBoard.InProgressPath.GetFillPaint());
canvas.DrawPath(anArtBoard.InProgressPath, anArtBoard.InProgressPath.GetStrokePaint());
}
//コントロールポイントを絵画
SKPaint aBezierHandlePaint = new SKPaint()
{
IsAntialias = true,
Style = SKPaintStyle.Stroke,
Color = PaintColors.Lasso.ToSKColor(),
StrokeWidth = 2,
StrokeJoin = SKStrokeJoin.Round,
StrokeCap = SKStrokeCap.Round
};
SKPaint aBezierHandleAnchorPaint = new SKPaint()
{
IsAntialias = true,
Style = SKPaintStyle.Fill,
Color = PaintColors.Lasso.ToSKColor()
};
using (SKPath path = new SKPath())
{
foreach (var aBezierHandle in anArtBoard.BezierHandleList)
{
SKPoint anchorPoint = anArtBoard.InverseMatrixToAbsoluteCoordinates().MapPoint(aBezierHandle.AnchorPoint);
SKPoint mouseControlPoint = anArtBoard.InverseMatrixToAbsoluteCoordinates().MapPoint(aBezierHandle.MouseControlPoint);
SKPoint theOtherControlPoint = anArtBoard.InverseMatrixToAbsoluteCoordinates().MapPoint(aBezierHandle.TheOtherControlPoint);
path.MoveTo(anchorPoint);
path.LineTo(mouseControlPoint);
canvas.DrawCircle(anchorPoint, 4, aBezierHandleAnchorPaint);
path.MoveTo(anchorPoint);
path.LineTo(theOtherControlPoint);
}
canvas.DrawPath(path, aBezierHandlePaint);
}
}