Пример #1
0
        // /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
        public Bitmap Reconstruct(int inc = 1, bool isCode39 = true)
        {
            Bitmap ret;
            Color  col;
            int    rows, cashe,
                   coln = 0, widthprv = 0;
            double           sampleUnits, imageCurrentRow = 0, xdiff;
            List <FoundBars> tmpList       = new List <FoundBars>();
            List <FoundBars> ConfermedBars = new List <FoundBars>();

            hs  = new HeapSort();
            hss = new HeapSortSize();

            if (raw == null)
            {
                return(null);
            }

            rows = raw.Height;

            // get x number of test points these will be used to get barcode data
            sampleUnits = Convert.ToDouble(rows / (SamplePoints * 1.0));
            if ((sampleUnits - (int)sampleUnits) > 0)
            {
                sampleUnits = (int)sampleUnits + 1;
            }

            // setup image to display
            ret = raw;

            // go through the image checking all pixels along the sample rows
            for (int r = 0; r < SamplePoints; r++)
            {
                imageCurrentRow += sampleUnits;
                if (imageCurrentRow >= raw.Height)
                {
                    break;
                }

                for (int c = 0; c < raw.Width; c++)
                {
                    //ret.SetPixel(c, imageCurrentRow, Color.Red);
                    col = raw.GetPixel(c, (int)imageCurrentRow);
                    if ((int)col.R <= 10 && (int)col.G < 10 && (int)col.B < 10)
                    {
                        bars.Add(getFoundBars(c, (int)imageCurrentRow));
                        c += bars[bars.Count - 1].barWidth;
                    }
                }
            }
            // convert the list of found bars to an array
            FoundBars[] arrays             = bars.ToArray();

            // use heap sort to sort the array
            hs.Heap_Sort(arrays);


            for (int i = 0; i < arrays.Length; i++)
            {
                // check width of barcode
                if (i > 0 && ConfermedBars.Count > 0)
                {
                    widthprv = ConfermedBars[ConfermedBars.Count - 1].barWidth;
                    xdiff    = arrays[i].x - ConfermedBars[ConfermedBars.Count - 1].x;
                    if (widthprv >= xdiff)
                    {
                        continue;
                    }
                }

                // check if x positons are good
                for (int u = i; u < arrays.Length; u++)
                {
                    // check x positions of the bars
                    if (arrays[u].x >= (arrays[i].x - (arrays[i].barWidth / 5)) && arrays[u].x <= (arrays[i].x + (arrays[i].barWidth / 5)))
                    {
                        tmpList.Add(arrays[u]);
                    }
                    else
                    {
                        break;
                    }
                }

                // shift the index so it wont recount the seame x position
                i += tmpList.Count - 1;

                // check to see if its a good bar
                if (tmpList.Count > 2)
                {
                    // calc avrage width
                    // use heap sort to sort the array then remove the first and last fith of the barcode
                    // this removes the smallest and largest parts of the barcode
                    cashe = tmpList.Count / 7;
                    if (cashe < 0)
                    {
                        cashe = 1;
                    }
                    hss.Heap_Sort(tmpList);
                    for (int t = 0; t < cashe; t++)
                    {
                        tmpList.RemoveAt(t);
                        tmpList.RemoveAt(tmpList.Count - 1 - t);
                    }
                    if (tmpList.Count <= 5)
                    {
                        // reset the list
                        tmpList.Clear();
                        continue;
                    }


                    // calculate the avrage of the result
                    for (int x = 0; x < tmpList.Count; x++)
                    {
                        coln += tmpList[x].barWidth;
                    }

                    // set avrage to the first element of the list
                    FoundBars tmpBar = new FoundBars();
                    tmpBar.x        = tmpList[0].x;
                    tmpBar.y        = 0;
                    tmpBar.barWidth = coln / tmpList.Count;

                    // save the fist element of the list
                    ConfermedBars.Add(tmpBar);
                    coln = 0;
                }

                // reset the list
                tmpList.Clear();
            }



            // profile bar widts
            List <FoundBars> checkWidth    = new List <FoundBars>();
            bool             isUniqueWidth = false;

            for (int i = 0; i < ConfermedBars.Count(); i++)
            {
                FoundBars width = new FoundBars();
                width.barWidth = ConfermedBars[i].barWidth;
                width.y        = 0;

                if (checkWidth.Count() > 0)
                {
                    // finds unique withs of bars
                    for (int u = 0; u < checkWidth.Count(); u++)
                    {
                        if (width.barWidth == checkWidth[u].barWidth)
                        {
                            isUniqueWidth = false;
                            break;
                        }
                        else
                        {
                            isUniqueWidth = true;
                        }
                    }

                    // if unique add to lis
                    if (isUniqueWidth == true)
                    {
                        checkWidth.Add(width);
                    }
                    else
                    {
                        // if not unique update value
                        for (int u = 0; u < checkWidth.Count(); u++)
                        {
                            if (width.barWidth == checkWidth[u].barWidth)
                            {
                                (checkWidth[u]).addToY();
                            }
                        }
                    }
                }
                else
                {
                    checkWidth.Add(width);
                }
            }

            List <int> colSize       = new List <int>();
            List <int> confirmedSize = new List <int>();


            for (int i = 0; i < checkWidth.Count(); i++)
            {
                colSize.Add(checkWidth[i].barWidth);
            }

            colSize.Sort();


            int p = 0, colSizeDivPtIndex = 0;
            int mid = 0;

            // divide the sorted column sizes to two or  three
            if (isCode39 == true)
            {
                mid = colSize.Count >> 1;
                for (int i = 0; i < mid; i++)
                {
                    p += colSize[i];
                }
                p /= mid;
                confirmedSize.Add(p);

                p = 0;
                for (int i = mid; i < colSize.Count(); i++)
                {
                    p += colSize[i];
                }
                p /= mid;
                confirmedSize.Add(p);
            }
            else
            {
                mid = colSize.Count / 3;
                for (int u = 0; u < 3; u++)
                {
                    colSizeDivPtIndex += mid;
                    for (int i = (mid * u); i < colSizeDivPtIndex; i++)
                    {
                        p += colSize[i];
                    }
                    p /= mid;
                    confirmedSize.Add(p);
                    p = 0;
                }

                confirmedSize.Sort();
                confirmedSize[0] = confirmedSize[2] / 4;   //(confirmedSize[0]+confirmedSize[2] / 3)/2;
                confirmedSize[1] = (confirmedSize[2] / 2); //(confirmedSize[1]+(2 * confirmedSize[2]) / 3)/2;
                confirmedSize[2] = (int)(confirmedSize[2] * .96);
            }
            for (int i = 0; i < confirmedSize.Count(); i++)
            {
                Write(confirmedSize[i] + "");
            }

            /*
             *    int min = raw.Width;
             * for (int i = 0; i < checkWidth.Count(); i++)
             *  if (checkWidth[i].barWidth < min)
             *      min = checkWidth[i].barWidth;
             */



            // make new bitmap of equal width as the raw image
            ret = new Bitmap(raw.Width, 50);
            for (int r = 0; r < ret.Height; r++)
            {
                for (int c = 0; c < ret.Width; c++)
                {
                    ret.SetPixel(c, r, Color.White);
                }
            }


            if (isCode39 == true)
            {
                // remake barcode image
                for (int r = 0; r < ret.Height; r++)
                {
                    for (int c = 0, index = 0; c < ret.Width; c++)
                    {
                        if (index >= ConfermedBars.Count())
                        {
                            break;
                        }
                        // color the row that is the exact with of the confermed Bar
                        if (c == ConfermedBars[index].x)
                        {
                            int q = ConfermedBars[index].barWidth + inc;
                            // ===========================================================
                            // code 39 section
                            if (isCode39 == true)
                            {
                                q = (ConfermedBars[index].barWidth + inc > confirmedSize[0]) ? confirmedSize[1] : confirmedSize[0];
                            }
                            else
                            {
                                // ===========================================================
                                // 128 section
                                if (ConfermedBars[index].barWidth + inc >= (confirmedSize[1]))
                                {
                                    q = confirmedSize[2];
                                }
                                else
                                if (ConfermedBars[index].barWidth + inc >= (confirmedSize[0]))
                                {
                                    q = confirmedSize[1];
                                }
                                else
                                {
                                    q = confirmedSize[0];
                                }
                            }
                            // ===========================================================
                            for (int subt = 0; subt < q; subt++)
                            {
                                int cl = ConfermedBars[index].x + subt;
                                if (cl < raw.Width)
                                {
                                    ret.SetPixel(cl, r, Color.Black);
                                }
                                else
                                {
                                    break;
                                }
                            }

                            if (isCode39 == true)
                            {
                                c += ConfermedBars[index].barWidth + inc;
                            }
                            else
                            {
                                c += q;
                            }

                            // if new c value passes the next confermed bar index keep incrementing
                            // unill c is smaller than the next x position
                            for (int w = index; w < ConfermedBars.Count; w++)
                            {
                                if (c >= ConfermedBars[w].x)
                                {
                                    index++;
                                }
                                else
                                {
                                    break;
                                }
                            }
                        }
                        else
                        {
                            ret.SetPixel(c, r, Color.White);
                        }
                    }
                }
            }
            else
            {
                //remake barcode image
                for (int r = 0; r < ret.Height; r++)
                {
                    for (int c = 0, index = 0; c < ret.Width; c++)
                    {
                        if (index >= ConfermedBars.Count())
                        {
                            break;
                        }
                        //color the row that is the exact width of the confirmed Bar
                        if (c == ConfermedBars[index].x)
                        {
                            for (int subt = 0; subt < ConfermedBars[index].barWidth + 1; subt++)
                            {
                                ret.SetPixel(ConfermedBars[index].x + subt, r, Color.Black);
                            }
                            c += ConfermedBars[index].barWidth + 1;

                            //if new c value passes the next confirmed bar index keep incrementing
                            //untill c is smaller than the next x position
                            for (int w = index; w < ConfermedBars.Count; w++)
                            {
                                if (c >= ConfermedBars[w].x)
                                {
                                    index++;
                                }
                                else
                                {
                                    break;
                                }
                            }
                        }
                        else
                        {
                            ret.SetPixel(c, r, Color.White);
                        }
                    }
                }
            }
            return(ret);
        }
Пример #2
0
        // /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
        public Bitmap isGoodBar()
        {
            Bitmap ret;
            Color  col;
            int    rows,
                   coln = 0, mode;
            double           imageCurrentRow, sampleUnits;
            List <FoundBars> tmpList       = new List <FoundBars>();
            List <FoundBars> ConfermedBars = new List <FoundBars>();

            hs = new HeapSort();

            if (raw == null)
            {
                return(null);
            }

            rows = raw.Height;

            // get x number of test points these will be used to get barcode data
            sampleUnits = Convert.ToInt32(rows / SamplePoints);

            // setup image to display
            ret = raw;

            // go through the image checking all pixels along the sample rows
            for (int r = 0; r < SamplePoints; r++)
            {
                imageCurrentRow = r * sampleUnits;

                for (int c = 0; c < raw.Width; c++)
                {
                    //ret.SetPixel(c, imageCurrentRow, Color.Red);
                    col = raw.GetPixel(c, (int)imageCurrentRow);
                    if ((int)col.R <= 10 && (int)col.G < 10 && (int)col.B < 10)
                    {
                        bars.Add(getFoundBars(c, (int)imageCurrentRow));
                        c += bars[bars.Count - 1].barWidth;
                    }
                }
            }


            //Write("(");

            // convert the list of found bars to an array
            FoundBars[] arrays             = bars.ToArray();

            // use heap sort to sort the array
            hs.Heap_Sort(arrays);


            for (int i = 0; i < arrays.Length; i++)
            {
                for (int u = i; u < arrays.Length; u++)
                {
                    if (arrays[u].x == arrays[i].x)
                    {
                        tmpList.Add(arrays[u]);
                    }
                    else
                    {
                        break;
                    }
                }

                // shift the index so it wont recount the seame x position
                i += tmpList.Count - 1;

                // check to see if its a good bar
                if (tmpList.Count > 2)
                {
                    ConfermedBars.Add(tmpList[0]);
                }

                // reset the list
                tmpList.Clear();
            }

            // remake barcode image
            for (int r = 0; r < ConfermedBars.Count; r++)
            {
                // color the row that is the exact with of the bar RED
                for (int t = 0; t < ConfermedBars[r].barWidth; t++)
                {
                    ret.SetPixel(ConfermedBars[r].x + t, ConfermedBars[r].y, Color.Red);
                }
            }
            return(ret);
        }