MatrixBitmapEffectBase.cs

Go to the documentation of this file.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using DirectOutput.General;

using DirectOutput.General.BitmapHandling;
using System.IO;

namespace DirectOutput.FX.MatrixFX
{
    public abstract class MatrixBitmapEffectBase<MatrixElementType> : MatrixEffectBase<MatrixElementType>
    {

        private int _BitmapFrameNumber = 0;

        public int BitmapFrameNumber
        {
            get { return _BitmapFrameNumber; }
            set { _BitmapFrameNumber = value; }
        }

        private int _BitmapTop = 0;

        public int BitmapTop
        {
            get { return _BitmapTop; }
            set { _BitmapTop = value; }
        }

        private int _BitmapLeft = 0;

        public int BitmapLeft
        {
            get { return _BitmapLeft; }
            set { _BitmapLeft = value; }
        }

        private int _BitmapWidth = -1;

        public int BitmapWidth
        {
            get { return _BitmapWidth; }
            set { _BitmapWidth = value; }
        }

        private int _BitmapHeight = -1;

        public int BitmapHeight
        {
            get { return _BitmapHeight; }
            set { _BitmapHeight = value; }
        }


        private FastBitmapDataExtractModeEnum _DataExtractMode = FastBitmapDataExtractModeEnum.BlendPixels;

        public FastBitmapDataExtractModeEnum DataExtractMode
        {
            get { return _DataExtractMode; }
            set { _DataExtractMode = value; }
        }


        private FilePattern _BitmapFilePattern;

        public FilePattern BitmapFilePattern
        {
            get { return _BitmapFilePattern; }
            set { _BitmapFilePattern = value; }
        }

        private PixelData[,] Pixels;

        private void OutputBitmap(int FadeValue)
        {
            if (FadeMode == FadeModeEnum.OnOff) FadeValue = (FadeValue < 1 ? 0 : 255);


            for (int y = 0; y < AreaHeight; y++)
            {
                int yd = y + AreaTop;
                for (int x = 0; x < AreaWidth; x++)
                {
                    int xd = x + AreaLeft;
                    MatrixLayer[xd, yd] = GetEffectValue(FadeValue, Pixels[x, y]);
                }
            }


        }

        public abstract MatrixElementType GetEffectValue(int TriggerValue, PixelData Pixel);

        public override void Trigger(Table.TableElementData TableElementData)
        {
            if (InitOK)
            {
                OutputBitmap(TableElementData.Value);
            }

        }

        private bool InitOK = false;


        public override void Init(Table.Table Table)
        {
            InitOK = false;
            Pixels = null;
            base.Init(Table);

            //TODO: Insert replace values for file pattern
            if (BitmapFilePattern.IsValid)
            {
                FileInfo FI = BitmapFilePattern.GetFirstMatchingFile();
                if (FI!=null && FI.Exists)
                {
                    FastImage BM;
                    try
                    {
                        BM = Table.Bitmaps[FI.FullName];
                    }
                    catch (Exception E)
                    {
                        Log.Exception("MatrixBitmapEffectBase {0} cant initialize.  Could not load file {1}.".Build(Name, FI.FullName), E);
                        return;
                    }

                    if (BM.Frames.ContainsKey(BitmapFrameNumber))
                    {
                        Pixels = BM.Frames[BitmapFrameNumber].GetClip(AreaWidth, AreaHeight, BitmapLeft, BitmapTop, BitmapWidth, BitmapHeight, DataExtractMode).Pixels;

                    }
                    else
                    {
                        Log.Warning("MatrixBitmapEffectBase {0} cant initialize. Frame {1} does not exist in source image {2}.".Build(Name, BitmapFrameNumber, FI.FullName));

                    }
                }
                else
                {
                    Log.Warning("MatrixBitmapEffectBase {0} cant initialize. No file matches the BitmapFilePattern {1} is invalid".Build(Name, BitmapFilePattern.ToString()));
                }
            }
            else
            {
                Log.Warning("MatrixBitmapEffectBase {0} cant initialize. The BitmapFilePattern {1} is invalid".Build(Name, BitmapFilePattern.ToString()));
            }


            InitOK = (Pixels != null && MatrixLayer != null);

        }

        public override void Finish()
        {
            Pixels = null;
            base.Finish();
        }
    }
}