Example #1
0
        private void buttonStart_Click(object sender, EventArgs e)
        {
            invertFormAcces();
            panelDestination.BackgroundImage = null;
            Refresh();

            if (InputFile != null)
            {
                int.TryParse(textBoxThreshold.Text, out int threshold);
                int.TryParse(comboBoxDictionarySize.GetItemText(comboBoxDictionarySize.SelectedItem), out int dictionarySize);


                AvqCompression = new AVQ(InputFile);
                originalImage  = AvqCompression.StartCompression(threshold, dictionarySize);


                panelDestination.BackgroundImage = originalImage.GetBitMap();
            }
            else
            {
                MessageBox.Show("You need to choose an image!");
            }


            invertFormAcces();
        }
Example #2
0
        private void buttonStart_Click(object sender, EventArgs e)
        {
            invertFormAcces();
            panelDestination.BackgroundImage = null;

            if (InputFile != null)
            {
                bool drawBorder           = checkBoxDrawBorder.Checked;
                bool CompressedFileFormat = checkBoxCompressedFileFormat.Checked;
                int.TryParse(textBoxThreshold.Text, out int threshold);
                int.TryParse(textBoxDictionarySize.Text, out int dictionarySize);

                AvqCompression = new AVQ(InputFile);
                originalImage  = AvqCompression.StartCompression(threshold, dictionarySize, drawBorder, CompressedFileFormat);


                panelDestination.BackgroundImage = originalImage.GetBitMap();
            }
            else
            {
                MessageBox.Show("You need to choose an image!");
            }


            invertFormAcces();
        }
Example #3
0
        private void buttonDecode_Click(object sender, EventArgs e)
        {
            invertFormAcces();
            openFileDialog.Filter = "AVQ Files(*.AVQ)|*.AVQ|All files (*.*)|*.*";
            openFileDialog.ShowDialog();
            InputFileComp = openFileDialog.FileName;

            if (InputFileComp != null)
            {
                AvqCompression = new AVQ();

                originalImage = AvqCompression.StartDeCompression(InputFileComp);
                Bitmap bitmap = originalImage.GetBitMap();

                string[] output = InputFileComp.Split('.');
                bitmap.Save(output[0] + "-decoded.bmp");
            }
            else
            {
                MessageBox.Show("You need to choose an image!");
            }
            MessageBox.Show("Image decompressed!");
            invertFormAcces();
        }
        public FastImage StartCompression(int th, int dictionarySize)
        {
            DateTime startTime = DateTime.Now;

            indexesList         = new List <int>();
            Threshold           = th;
            MaxDictionaryLength = dictionarySize;
            BlocPainFrequency   = (int)1.0 * 100000 / MaxDictionaryLength;

            originalImage.Lock();
            workImage.Lock();

            buildGP();

            int ct = 0;

            while (poolGrowingPoints.Count != 0)
            {
                ct++;
                if (ct == BlocPainFrequency)
                {
                    ct = 0;
                    Program.form.updatePanelBlock(bitmapBlocks.GetBitMap());
                    //Thread.Sleep(50);
                }



                int widthStep, heightStep;
                //Position growingPoint = UpdateGPPool();
                Position growingPoint = poolGrowingPoints[0];
                int      i            = growingPoint.X;
                int      j            = growingPoint.Y;
                int      index;

                if (i == 0 || j == 0)
                {
                    index = originalImage.GetPixel(i, j);
                }
                else
                {
                    index = SearchBlock(growingPoint);
                }

                indexesList.Add(index);

                if (index < 256)
                {
                    workImage.SetPixel(i, j, index);
                    imageBitmap[i, j] = true;
                    widthStep         = 1;
                    heightStep        = 1;
                }
                else
                {
                    Block findedBlock = dictionary.LastOrDefault(x => x.Value == index).Key;
                    ReplaceBlock(findedBlock, i, j);

                    widthStep  = findedBlock.Width;
                    heightStep = findedBlock.Height;


                    numberBlocksFinded++;
                }


                // TryAddGrowingPoint(growingPoint, widthStep, heightStep);
                //TryAddGrowingPoint(new Position(i + widthStep, j));

                if (i != 0 && j != 0)
                {
                    UpdateDictionary(growingPoint, index);
                }
                UpdateGPPool();
            }

            Program.form.updatePanelBlock(bitmapBlocks.GetBitMap());

            WriteInFile(indexesList);
            Console.WriteLine("NumberBlocksFinded = {0} numberErrorPX = {1}", numberBlocksFinded, numberErrorPX);

            workImage.Unlock();
            originalImage.Unlock();

            DateTime stopTime = DateTime.Now;

            Console.WriteLine(stopTime - startTime);
            return(workImage);
        }
Example #5
0
        public FastImage StartCompression(int th, int dictionarySize, bool drawBorder, bool CompressedFileFormat)
        {
            DateTime startTime = DateTime.Now;

            indexesList         = new List <int>();
            Threshold           = th;
            MaxDictionaryLength = dictionarySize;
            dictionary          = new Dictionary <Block, int>(MaxDictionaryLength);

            originalImage.Lock();
            workImage.Lock();
            int ct = 0;

            while (poolGrowingPoints.Count != 0)
            {
                ct++;
                if (ct == 700)
                {
                    ct = 0;
                    Program.form.updatePanelBlock(bitmapBlocks.GetBitMap());
                    Thread.Sleep(50);
                }

                int      widthStep, heightStep;
                Position growingPoint = GetNextGrowingPoint();
                int      i            = growingPoint.X;
                int      j            = growingPoint.Y;
                int      index;

                if (i == 0 || j == 0)
                {
                    index = originalImage.GetPixel(i, j);
                }
                else
                {
                    index = SearchBlock(growingPoint);
                }

                indexesList.Add(index);

                if (index < 256)
                {
                    workImage.SetPixel(i, j, index);
                    imageBitmap[i, j] = true;
                    widthStep         = 1;
                    heightStep        = 1;
                }
                else
                {
                    Block findedBlock = dictionary.LastOrDefault(x => x.Value == index).Key;
                    ReplaceBlock(findedBlock, i, j);

                    widthStep  = findedBlock.Width;
                    heightStep = findedBlock.Height;


                    numberBlocksFinded++;

                    if (drawBorder)
                    {
                        DrawBlockBorder(i, j, findedBlock);
                    }
                }


                TryAddGrowingPoint(new Position(i, j + heightStep));
                TryAddGrowingPoint(new Position(i + widthStep, j));

                if (i != 0 && j != 0)
                {
                    UpdateDictionary(growingPoint, index);
                }
            }

            WriteInFile(indexesList, CompressedFileFormat);
            Console.WriteLine("NumberBlocksFinded = {0} numberErrorPX = {1}", numberBlocksFinded, numberErrorPX);

            workImage.Unlock();
            originalImage.Unlock();

            DateTime stopTime = DateTime.Now;

            Console.WriteLine(stopTime - startTime);
            return(workImage);
        }
Example #6
0
        public SimulationResult StartSimulation(int th, int dictionarySize)
        {
            indexesList         = new List <int>();
            Threshold           = th;
            MaxDictionaryLength = dictionarySize;
            // BlocPainFrequency = int.MaxValue;

            originalImage.Lock();
            workImage.Lock();

            DateTime startTime = DateTime.Now;

            buildGP();


            while (poolGrowingPoints.Count != 0)
            {
                int widthStep, heightStep;
                //Position growingPoint = UpdateGPPool();
                Position growingPoint = poolGrowingPoints[0];
                int      i            = growingPoint.X;
                int      j            = growingPoint.Y;
                int      index;

                if (i == 0 || j == 0)
                {
                    index = originalImage.GetPixel(i, j);
                }
                else
                {
                    index = SearchBlock(growingPoint);
                }

                indexesList.Add(index);

                if (index < 256)
                {
                    workImage.SetPixel(i, j, index);
                    imageBitmap[i, j] = true;
                    widthStep         = 1;
                    heightStep        = 1;
                }
                else
                {
                    Block findedBlock = dictionary.LastOrDefault(x => x.Value == index).Key;
                    ReplaceBlock(findedBlock, i, j);

                    widthStep  = findedBlock.Width;
                    heightStep = findedBlock.Height;


                    numberBlocksFinded++;
                }


                // TryAddGrowingPoint(growingPoint, widthStep, heightStep);
                //TryAddGrowingPoint(new Position(i + widthStep, j));

                if (i != 0 && j != 0)
                {
                    UpdateDictionary(growingPoint, index);
                }
                UpdateGPPool();
            }

            Program.form.updatePanelBlock(bitmapBlocks.GetBitMap());

            DateTime finishTime      = DateTime.Now;
            string   compressionTime = (finishTime - startTime).TotalSeconds.ToString();

            WriteInFile(indexesList);
            Console.WriteLine("NumberBlocksFinded = {0} numberErrorPX = {1}", numberBlocksFinded, numberErrorPX);

            workImage.Unlock();
            originalImage.Unlock();


            //---

            originalImageValid      = false;
            dictionary              = new Dictionary <Block, int>();
            dictionaryBackup        = new List <Block>();
            currentDictionaryLength = 256;
            indexesList             = new List <int>();

            ReadFromFile(CompressedFile);

            Bitmap blackImageBitmap = new Bitmap(imageWidth, imageHeight, PixelFormat.Format24bppRgb);

            workImage = new FastImage(blackImageBitmap);

            workImage.Lock();

            startTime = DateTime.Now;

            buildGP();
            while (poolGrowingPoints.Count != 0)
            {
                int widthStep, heightStep;
                //Position growingPoint = UpdateGPPool();
                Position growingPoint = poolGrowingPoints[0];

                int i = growingPoint.X;
                int j = growingPoint.Y;

                int index = indexesList[0];
                indexesList.RemoveAt(0);

                if (index < 256)
                {
                    workImage.SetPixel(i, j, index);
                    imageBitmap[i, j] = true;
                    widthStep         = 1;
                    heightStep        = 1;
                }
                else
                {
                    Block findedBlock = dictionary.LastOrDefault(x => x.Value == index).Key;

                    if (findedBlock == null)
                    {
                        Console.WriteLine("**");
                        foreach (Block block in dictionaryBackup)
                        {
                            if (block.Index == index)
                            {
                                findedBlock = block;
                            }
                        }
                    }

                    ReplaceBlock(findedBlock, i, j);

                    widthStep  = findedBlock.Width;
                    heightStep = findedBlock.Height;

                    numberBlocksFinded++;
                }


                if (i != 0 && j != 0)
                {
                    UpdateDictionary(growingPoint, index);
                }

                UpdateGPPool();
            }

            //Console.WriteLine("NumberBlocksFinded = {0} numberErrorPX = {1}", numberBlocksFinded, numberErrorPX);

            finishTime = DateTime.Now;
            string decompressionTime = (finishTime - startTime).TotalSeconds.ToString();

            //
            workImage.Unlock();


            //---

            Bitmap bitmap = workImage.GetBitMap();

            string[] output = CompressedFile.Split('.');
            DecompressedFile = output[0] + "-decoded.bmp";
            bitmap.Save(DecompressedFile);

            float psnr = CompareImages(originalImage, workImage);

            long compressedFileSize   = new FileInfo(CompressedFile).Length;
            long decompressedFileSize = new FileInfo(DecompressedFile).Length;


            return(new SimulationResult(MaxDictionaryLength, Threshold, compressionTime, decompressionTime, numberBlocksFinded, compressedFileSize, decompressedFileSize, psnr));
        }