Esempio n. 1
0
        private UnsafeBitmap GetReferenceCharBmp(UnsafeBitmap bmChars, int index)
        {
            if (index * 16 >= bmChars.Width)
            {
                return(null);
            }


            return(bmChars.Clone(new Rectangle(index * 16 + 1, 0, 15, bmChars.Height), System.Drawing.Imaging.PixelFormat.Format24bppRgb));
        }
Esempio n. 2
0
File: Ocr.cs Progetto: alxwrd/pacs
        public BmpChar(UnsafeBitmap bmChar, char character)
        {
            this.character = character;
            bm             = bmChar;

            if (bm == null)
            {
                return;
            }

            // Trim empty area from right side of reference bitmap
            int x = 0;

//            x = Utils.FindNextVerticalLine(bm, 0, Color.FromArgb(255, 255, 255, 255), true);
            x = bm.FindNextVerticalLine(0, Color.FromArgb(255, 255, 255), true);
            if (x > 0)
            {
                bm = bm.Clone(new Rectangle(0, 0, x, bm.Height), bm.PixelFormat);
            }
            charWidth = bm.Width;

            // Find character height
            int y = 0;

            for (y = 0; y < bm.Height && charTop <= 0; y++)
            {
                for (x = 0; x < bm.Width; x++)
                {
                    if (bm.GetPixel(x, y) != Color.FromArgb(255, 255, 255))
                    {
                        charTop = y;
                        break;
                    }
                }
            }

            for (y = bm.Height - 1; y >= 0 && charBottom <= 0; y--)
            {
                for (x = 0; x < bm.Width; x++)
                {
                    if (bm.GetPixel(x, y) != Color.FromArgb(255, 255, 255))
                    {
                        charBottom = y;
                        break;
                    }
                }
            }
            charHeight = charBottom - charTop + 1;
        }