/// <summary>
/// Loads output.dct
/// initializes data
/// uses DctImageProcessor::UncoProcess
/// in a thread to display a JPEG image
/// </summary>
/// <param name="sender">c# params</param>
/// <param name="e">c# params</param>
private void openCompressedToolStripMenuItem_Click(object sender, EventArgs e)
{
if (FOpen.ShowDialog() != DialogResult.OK)
{
return;
}
try {
Stream raw = FOpen.OpenFile();
using (MemoryStream ms = new MemoryStream()) {
raw.CopyTo(ms);
Manager = new DataManager();
leftPicture.Image = null;
rightPicture.Image = null;
Manager.LoadedData = ms.ToArray().Select(s => (sbyte)s).ToArray();
SetSizeToolStrip(Manager.LoadedData.Length);
Manager.box = leftPicture;
Manager.rbox = rightPicture;
}
}
catch (Exception ex) {
MessageBox.Show(@"Error: Could not read file from disk. Original error: " + ex.Message);
}
DctImageProcessor processor = new DctImageProcessor(Manager);
Task.Run(() => processor.UndoProcess());
}
/// <summary>
/// Loads an image and uses
/// splits it into YCBCR arrays
/// subsamples CB and CR using 4:2:0
/// DctImageProcessor::Process function to
/// compress image with
/// DCT => QUantize => ZigZag => RLE => File (output.dct)
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void compressToolStripMenuItem_Click(object sender, EventArgs e)
{
if (FOpen.ShowDialog() != DialogResult.OK)
{
return;
}
try {
Image image = Image.FromStream(FOpen.OpenFile());
Manager.SetLeftPicture(image);
leftPicture.Image = Manager.LeftImageBitmap;
MemoryStream ms = new MemoryStream();
image.Save(ms, ImageFormat.Bmp);
int bytes = (int)ms.Length;
SetSizeToolStrip(bytes);
ms.Close();
}
catch (Exception ex) {
MessageBox.Show(@"Error: Could not read file from disk. Original error: " + ex.Message);
}
Manager.SplitBytesIntoColorSpaces();
Manager.DrawYcbcrOnRightBitmap(1);
rightPicture.Image = Manager.RightImageBitmap;
DctImageProcessor imageProcessor = new DctImageProcessor(Manager);
Task.Run(() => imageProcessor.Process());
}
private void HandleRightContext(object sender, ToolStripItemClickedEventArgs e)
{
if (e.ClickedItem.Text == @"Set Image")
{
contextMenuStrip2.Hide();
SetRightImage();
}
else if (e.ClickedItem.Text == @"Open Compressed")
{
contextMenuStrip2.Hide();
if (FOpen.ShowDialog() != DialogResult.OK)
{
return;
}
try {
Stream raw = FOpen.OpenFile();
using (MemoryStream ms = new MemoryStream()) {
raw.CopyTo(ms);
Manager = new DataManager();
leftPicture.Image = null;
rightPicture.Image = null;
Manager.LoadedData = ms.ToArray().Select(s => (sbyte)s).ToArray();
SetSizeToolStrip(Manager.LoadedData.Length);
Manager.box = leftPicture;
Manager.rbox = rightPicture;
}
} catch (Exception ex) {
MessageBox.Show(@"Error: Could not read file from disk. Original error: " + ex.Message);
}
DctImageProcessor processor = new DctImageProcessor(Manager);
Task.Run(() => processor.UndoProcess());
}
else
{
contextMenuStrip2.Hide();
RightImageClear();
}
}
/// <summary>
/// Loads output.dct
/// initializes data
/// uses DctImageProcessor::UncoProcess
/// in a thread to display a JPEG image
/// </summary>
/// <param name="sender">c# params</param>
/// <param name="e">c# params</param>
private void openCompressedToolStripMenuItem_Click(object sender, EventArgs e) {
if (FOpen.ShowDialog() != DialogResult.OK)
return;
try {
Stream raw = FOpen.OpenFile();
using (MemoryStream ms = new MemoryStream()) {
raw.CopyTo(ms);
Manager = new DataManager();
leftPicture.Image = null;
rightPicture.Image = null;
Manager.LoadedData = ms.ToArray().Select(s=>(sbyte)s).ToArray();
SetSizeToolStrip(Manager.LoadedData.Length);
Manager.box = leftPicture;
Manager.rbox = rightPicture;
}
}
catch (Exception ex) {
MessageBox.Show(@"Error: Could not read file from disk. Original error: " + ex.Message);
}
DctImageProcessor processor = new DctImageProcessor(Manager);
Task.Run(()=>processor.UndoProcess());
}
private void HandleRightContext(object sender, ToolStripItemClickedEventArgs e) {
if(e.ClickedItem.Text == @"Set Image") {
contextMenuStrip2.Hide();
SetRightImage();
}else if (e.ClickedItem.Text == @"Open Compressed") {
contextMenuStrip2.Hide();
if(FOpen.ShowDialog() != DialogResult.OK)
return;
try {
Stream raw = FOpen.OpenFile();
using(MemoryStream ms = new MemoryStream()) {
raw.CopyTo(ms);
Manager = new DataManager();
leftPicture.Image = null;
rightPicture.Image = null;
Manager.LoadedData = ms.ToArray().Select(s => (sbyte)s).ToArray();
SetSizeToolStrip(Manager.LoadedData.Length);
Manager.box = leftPicture;
Manager.rbox = rightPicture;
}
} catch(Exception ex) {
MessageBox.Show(@"Error: Could not read file from disk. Original error: " + ex.Message);
}
DctImageProcessor processor = new DctImageProcessor(Manager);
Task.Run(() => processor.UndoProcess());
} else {
contextMenuStrip2.Hide();
RightImageClear();
}
}
private void HandleLeftContext(object sender, ToolStripItemClickedEventArgs e) {
if (e.ClickedItem.Text== @"Compress Image") {
contextMenuStrip1.Hide();
if(FOpen.ShowDialog() != DialogResult.OK)
return;
try {
Image image = Image.FromStream(FOpen.OpenFile());
Manager.SetLeftPicture(image);
leftPicture.Image = Manager.LeftImageBitmap;
MemoryStream ms = new MemoryStream();
image.Save(ms, ImageFormat.Bmp);
int bytes = (int)ms.Length;
SetSizeToolStrip(bytes);
ms.Close();
} catch(Exception ex) {
MessageBox.Show(@"Error: Could not read file from disk. Original error: " + ex.Message);
}
Manager.SplitBytesIntoColorSpaces();
Manager.DrawYcbcrOnRightBitmap(1);
rightPicture.Image = Manager.RightImageBitmap;
DctImageProcessor imageProcessor = new DctImageProcessor(Manager);
Task.Run(() => imageProcessor.Process());
}else if (e.ClickedItem.Text == @"Set Image") {
contextMenuStrip1.Hide();
SetLeftImage();
}
else {
contextMenuStrip1.Hide();
LeftImageClear();
}
}
/// <summary>
/// Method to decompress MPEG
/// opens a file selector
/// reads data
/// initializes its data
/// sends it off to DctImageProcessor::UntoRippeg function
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void decompressToolStripMenuItem2_Click(object sender, EventArgs e) {
if (FOpen.ShowDialog() != DialogResult.OK)
return;
try {
Stream raw = FOpen.OpenFile();
using (MemoryStream ms = new MemoryStream()) {
raw.CopyTo(ms);
MPEGData[0] = new DataManager();
leftPicture.Image = null;
rightPicture.Image = null;
MPEGData[0].LoadedData = ms.ToArray().Select(s => (sbyte)s).ToArray();
SetSizeToolStrip(MPEGData[0].LoadedData.Length);
MPEGData[0].box = leftPicture;
}
}
catch (Exception ex) {
MessageBox.Show(@"Error: Could not read file from disk. Original error: " + ex.Message);
}
DctImageProcessor processor = new DctImageProcessor(MPEGData[0]);
await Task.Run(() => processor.UndoRippeg());
//now we just have to use the vector info to move blocks around.
Bitmap newmap = new Bitmap(MPEGData[0].ImageSize, MPEGData[0].ImageSize);
for (int i = 0; i < MPEGData[0].ImageSize; i++) {
for (int j = 0; j < MPEGData[0].ImageSize; j++) {
newmap.SetPixel(i, j, MPEGData[0].UncutBitmap.GetPixel(i, j));
}
}
using (Graphics g = Graphics.FromImage(newmap)) {
Pen p2 = new Pen(Color.White, 1);
Pen p = new Pen(Color.Black, 2);
foreach (Tuple<Point, Point> mV in MPEGData[0].MVs) {
for (int i = 0; i < 16; i++) {
for (int j = 0; j < 16; j++) {
newmap.SetPixel(
i + mV.Item2.X, j + mV.Item2.Y,
MPEGData[0].UncutBitmap.GetPixel(i + mV.Item1.X, j + mV.Item1.Y)
);
}
}
g.DrawLine(p, mV.Item1, mV.Item2);
g.DrawLine(p2, mV.Item1, mV.Item2);
}
}
rightPicture.Image = Padder.CropImage(newmap,
new Rectangle(0, 0, MPEGData[0].RealWidth, MPEGData[0].RealHeight));
}
/// <summary>
/// Method to decompress MPEG
/// opens a file selector
/// reads data
/// initializes its data
/// sends it off to DctImageProcessor::UntoRippeg function
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void decompressToolStripMenuItem2_Click(object sender, EventArgs e)
{
if (FOpen.ShowDialog() != DialogResult.OK)
{
return;
}
try {
Stream raw = FOpen.OpenFile();
using (MemoryStream ms = new MemoryStream()) {
raw.CopyTo(ms);
MPEGData[0] = new DataManager();
leftPicture.Image = null;
rightPicture.Image = null;
MPEGData[0].LoadedData = ms.ToArray().Select(s => (sbyte)s).ToArray();
SetSizeToolStrip(MPEGData[0].LoadedData.Length);
MPEGData[0].box = leftPicture;
}
}
catch (Exception ex) {
MessageBox.Show(@"Error: Could not read file from disk. Original error: " + ex.Message);
}
DctImageProcessor processor = new DctImageProcessor(MPEGData[0]);
await Task.Run(() => processor.UndoRippeg());
//now we just have to use the vector info to move blocks around.
Bitmap newmap = new Bitmap(MPEGData[0].ImageSize, MPEGData[0].ImageSize);
for (int i = 0; i < MPEGData[0].ImageSize; i++)
{
for (int j = 0; j < MPEGData[0].ImageSize; j++)
{
newmap.SetPixel(i, j, MPEGData[0].UncutBitmap.GetPixel(i, j));
}
}
using (Graphics g = Graphics.FromImage(newmap)) {
Pen p2 = new Pen(Color.White, 1);
Pen p = new Pen(Color.Black, 2);
foreach (Tuple <Point, Point> mV in MPEGData[0].MVs)
{
for (int i = 0; i < 16; i++)
{
for (int j = 0; j < 16; j++)
{
newmap.SetPixel(
i + mV.Item2.X, j + mV.Item2.Y,
MPEGData[0].UncutBitmap.GetPixel(i + mV.Item1.X, j + mV.Item1.Y)
);
}
}
g.DrawLine(p, mV.Item1, mV.Item2);
g.DrawLine(p2, mV.Item1, mV.Item2);
}
}
rightPicture.Image = Padder.CropImage(newmap,
new Rectangle(0, 0, MPEGData[0].RealWidth, MPEGData[0].RealHeight));
}
