コード例 #1
0
ファイル: IOSBitmap.cs プロジェクト: ebrucucen/MonoAGS
        public IMask CreateMask(IGameFactory factory, string path, bool transparentMeansMasked = false, Color?debugDrawColor = default(Color?), string saveMaskToFile = null, string id = null)
        {
            FastBitmap debugMaskFast = null;

            if (saveMaskToFile != null || debugDrawColor != null)
            {
                debugMaskFast = new FastBitmap(Width, Height);
            }

            bool[][] mask      = new bool[Width][];
            Color    drawColor = debugDrawColor != null ? debugDrawColor.Value : Colors.Black;

            using (FastBitmap bitmapData = new FastBitmap(_cgImage))
            {
                for (int x = 0; x < Width; x++)
                {
                    for (int y = 0; y < Height; y++)
                    {
                        bool masked = bitmapData.IsOpaque(x, y);
                        if (transparentMeansMasked)
                        {
                            masked = !masked;
                        }

                        if (mask[x] == null)
                        {
                            mask[x] = new bool[Height];
                        }
                        mask[x][Height - y - 1] = masked;

                        if (debugMaskFast != null)
                        {
                            debugMaskFast.SetPixel(x, y, masked ? drawColor : Colors.Transparent);
                        }
                    }
                }
            }

            UIImage debugMask = null;

            if (debugMaskFast != null)
            {
                debugMask = debugMaskFast.GetImage();
                debugMaskFast.Dispose();
            }

            //Save the duplicate
            if (saveMaskToFile != null)
            {
                saveToFile(debugMask, saveMaskToFile);
            }

            IObject debugDraw = null;

            if (debugDrawColor != null)
            {
                debugDraw        = factory.Object.GetObject(id ?? path ?? "Mask Drawable");
                debugDraw.Image  = factory.Graphics.LoadImage(new IOSBitmap(debugMask, _graphics), null, path);
                debugDraw.Anchor = new AGS.API.PointF();
            }
            else if (debugMask != null)
            {
                debugMask.Dispose();
            }

            return(new AGSMask(mask, debugDraw));
        }