示例#1
0
        public void TestHSIConverter()
        {
            var image = Util.ImageFile.LoadBmpImage("..\\..\\..\\TestImages\\lenna.bmp");

            image = new HSIConverter(image).Convert().Image;
            Util.ImageFile.SaveBmpImage(image, "..\\..\\..\\TestImages\\lenna_gray_modified.bmp");
            image = Util.ImageFile.LoadBmpImage("..\\..\\..\\TestImages\\lenna_gray_modified.bmp");
            // File header
            Assert.Equal(0x4D42, image.FileHeader.Type);
            Assert.Equal((uint)(14 + 40 + 256 * 4 + 512 * 512), image.FileHeader.Size);
            Assert.Equal(0, image.FileHeader.Reserved1);
            Assert.Equal(0, image.FileHeader.Reserved2);
            Assert.Equal((uint)(14 + 40 + 256 * 4), image.FileHeader.OffBits);
            // Info header
            Assert.Equal(40u, image.InfoHeader.Size);
            Assert.Equal(512, image.InfoHeader.Width);
            Assert.Equal(512, image.InfoHeader.Height);
            Assert.Equal(1u, image.InfoHeader.Planes);
            Assert.Equal(8u, image.InfoHeader.BitCount);
            Assert.Equal(0u, image.InfoHeader.Compression);
            Assert.Equal((uint)(512 * 512), image.InfoHeader.SizeImage);
            Assert.Equal(0, image.InfoHeader.XPelsPerMeter);
            Assert.Equal(0, image.InfoHeader.YPelsPerMeter);
            Assert.Equal(0u, image.InfoHeader.ClrUsed);
            Assert.Equal(0u, image.InfoHeader.ClrImportanet);
            // Palette
            Assert.Equal(256, image.Palette.Length);
            for (int i = 0; i < image.Palette.Length; i++)
            {
                Assert.Equal(i, image.Palette[i].Red);
                Assert.Equal(i, image.Palette[i].Green);
                Assert.Equal(i, image.Palette[i].Blue);
                Assert.Equal(0, image.Palette[i].Flags);
            }
        }
示例#2
0
        private static void ModuleOne(BmpImage image)
        {
            /*
             * 1.检测图像的类型
             *   (1. gray to binary
             *      (1. danyuzhi
             *      (2. dither
             *      (3. ordered dither
             *   (2. color to gray
             *      (1. RGB -> HSI
             *      (2. RGB -> YCbCr
             */

            bool isGray      = true;
            int  photoFormat = CheckPhoto(image);

            //256 color
            if (photoFormat == 1)
            {
                System.Console.Write("检测到图片为灰度图像:");
                System.Console.WriteLine("可进行的操作:\n1.单阈值法\n2.dither\n3.ordered dither\n0.返回");
                System.Console.Write("选择的操作是:");
                bool inputNum = false;
                int  argument;
                do
                {
                    try
                    {
                        int num = Convert.ToInt32(System.Console.ReadLine());
                        if (num < 4 && num > -1)
                        {
                            inputNum = true;
                            //1.单阈值法
                            if (num == 1)
                            {
                                System.Console.Write("输入阈值(输入0则为默认值128):");
                                try
                                {
                                    argument = Convert.ToInt32(System.Console.ReadLine());
                                    image    = new SingleThresholdConverter(image, argument).Convert().Image;
                                }
                                catch (OverflowException)
                                {
                                    System.Console.WriteLine("err:转化的不是一个int型数据");
                                }
                                catch (FormatException)
                                {
                                    System.Console.WriteLine("err:格式错误");
                                }
                                catch (ArgumentNullException)
                                {
                                    System.Console.WriteLine("err:null");
                                }
                                System.Console.WriteLine("完成单阈值法处理!");
                            }
                            //2.dither
                            else if (num == 2)
                            {
                                System.Console.Write("输入矩阵参数n(输入0则取默认值N=2):");
                                try
                                {
                                    argument = Convert.ToInt32(System.Console.ReadLine());
                                    image    = new DitherConverter(image, argument).Convert().Image;
                                }
                                catch (OverflowException)
                                {
                                    System.Console.WriteLine("err:转化的不是一个int型数据");
                                }
                                catch (FormatException)
                                {
                                    System.Console.WriteLine("err:格式错误");
                                }
                                catch (ArgumentNullException)
                                {
                                    System.Console.WriteLine("err:null");
                                }
                                System.Console.WriteLine("完成dither矩阵处理!");
                            }
                            //3.ordered dither
                            else if (num == 3)
                            {
                                System.Console.Write("输入矩阵参数n(输入0则取默认值N=2):");
                                argument = Convert.ToInt32(System.Console.ReadLine());
                                image    = new OrderedDitherConverter(image, argument).Convert().Image;
                                System.Console.WriteLine("完成ordered dither矩阵处理!");
                            }
                            else
                            {
                                ;
                            }
                        }
                        else
                        {
                            System.Console.Write("输入错误请重新输入:");
                        }
                    }
                    catch (OverflowException)
                    {
                        System.Console.WriteLine("err:转化的不是一个int型数据");
                    }
                    catch (FormatException)
                    {
                        System.Console.WriteLine("err:格式错误");
                    }
                    catch (ArgumentNullException)
                    {
                        System.Console.WriteLine("err:null");
                    }
                } while (inputNum == false);
            }
            //True color or RGBA
            else if (photoFormat == 2)
            {
                System.Console.Write("检测到图片为真彩图像:");
                System.Console.WriteLine("可进行的操作:\n1.RGB->HSI\n2.RGB->YCbCr\n0.返回");
                System.Console.Write("选择的操作是:");
                bool inputNum = false;
                do
                {
                    try
                    {
                        int num = Convert.ToInt32(System.Console.ReadLine());
                        if (num < 3)
                        {
                            inputNum = true;
                            //1.
                            if (num == 1)
                            {
                                image = new HSIConverter(image).Convert().Image;
                            }
                            //2.
                            if (num == 2)
                            {
                                image = new YCbCrConverter(image).Convert().Image;
                            }
                            else
                            {
                                ;
                            }
                        }
                        else
                        {
                            System.Console.Write("输入错误请重新输入:");
                        }
                    }
                    catch (OverflowException)
                    {
                        System.Console.WriteLine("err:转化的不是一个int型数据");
                    }
                    catch (FormatException)
                    {
                        System.Console.WriteLine("err:格式错误");
                    }
                    catch (ArgumentNullException)
                    {
                        System.Console.WriteLine("err:null");
                    }
                } while (inputNum == false);
            }
            else
            {
                System.Console.Write("\n图片形式不支持模块转换哟~\n");
            }
        }