public static List <LayoutData> Pack(WebAppContext context, Point sheetMetrics, int spacing, bool allowFlip)
{
bool[,] sheetHitmap = new bool[sheetMetrics.X, sheetMetrics.Y];
RLEShape rleSheet = null;
List <LayoutData> displayTokens = new List <LayoutData>();
foreach (string key in context.sizeOrderedShapeKeys)
{
WAShape shape = context.shapes[key];
for (int j = 0; j < shape.quantity; j++)
{
Point? pos = null;
bool fliped = false;
RLEShape rleShape = RunLengthEncode(shape.GetHitmap(spacing, shape.displayScale));
context.js.ConsoleLog(rleShape.size.X + ":" + shape.size.X);
context.js.ConsoleLog(rleShape.size.Y + ":" + shape.size.Y);
if (rleSheet == null)
{
rleSheet = RunLengthEncode(sheetHitmap);
}
pos = Place(rleSheet, pos, rleShape, sheetMetrics, false);
if (allowFlip)
{
Point?p = Place(rleSheet, pos, rleShape, sheetMetrics, true);
if (p.HasValue && (!pos.HasValue || CalcPosValue(p.Value) < CalcPosValue(pos.Value)))
{
pos = p;
fliped = true;
}
}
if (pos.HasValue)
{
for (int row = 0; row < rleShape.runLengths.Length; row++)
{
for (int column = 0; column < rleShape.runLengths[row].Length / 2; column++)
{
for (int x = rleShape.runLengths[row][column * 2]; x <= rleShape.runLengths[row][column * 2 + 1]; x++)
{
if (fliped)
{
sheetHitmap[rleShape.size.X - x + pos.Value.X, rleShape.size.Y - row + pos.Value.Y] = true;
}
else
{
sheetHitmap[x + pos.Value.X, row + pos.Value.Y] = true;
}
}
}
}
rleSheet = null;
displayTokens.Add(new LayoutData(shape.key, new PointF(pos.Value.X + spacing, pos.Value.Y + spacing), fliped, shape.displayScale));
}
}
}
return(displayTokens);
}
public void LinkCanvas(WebAppContext context, string canvasId, PointF canvasSize, PointF pos, float scale = 1, bool fliped = false)
{
context.js.LinkVertexBuffer(canvasId, GetVertexBuffer(canvasSize, pos, scale, fliped));
}
