//put the bitmap as input image and set it for next steps
private void SetInputImage(Bitmap inputBitmap)
{
var hBitmap = inputBitmap.GetHbitmap();
var imgIn = ((System.Windows.Controls.Image) this.FindName("InputImage"));
if (imgIn.Source != null)
{
imgIn.Source = null;
}
try
{
var imageSource = Imaging.CreateBitmapSourceFromHBitmap(
hBitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromWidthAndHeight(inputBitmap.Width, inputBitmap.Height));
imageSource.Freeze();
imgIn.Source = imageSource;
}
finally
{
DeleteObject(hBitmap);
imgIn.Width = inputBitmap.Width;
imgIn.Height = inputBitmap.Height;
var inputInfoLabel = ((System.Windows.Controls.Label) this.FindName("InputInfoLabel"));
inputInfoLabel.Content = $"x:{inputBitmap.Width} y:{inputBitmap.Height}";
inputImage = FilterImageConvert.FilterImageFromBitmap(inputBitmap);
}
}
private async Task ExecuteCurrentFilterTiled()
{
int tileSizeY;
int tileSizeX;
if (!int.TryParse(((TextBox)this.FindName("tileYbox")).Text, out tileSizeY) || !int.TryParse(((TextBox)this.FindName("tileXbox")).Text, out tileSizeX))
{
MessageBox.Show("invalid tile dimensions");
return;
}
if (tileSizeX == 0 || tileSizeX > this.inputImage.Width || tileSizeY == 0 || tileSizeY > this.inputImage.Height)
{
MessageBox.Show("Tiles should be at least 1 pixel (x & y) and not bigger than the input image");
return;
}
converting = true;
//maybe display its settings again to see the up to date settings
DisplayCurrentFilterSettings();
PushProgress("Creating target Image", 1);
//just run the converter with the first tile, to see how big the output tiles are
Task <FilterImage> testConvertTask = Task.Run(() => this.currentFilter.Execute(this.inputImage.GrabSubImage(0, 0, tileSizeX, tileSizeY)));
FilterImage testOutputFilterImage = await testConvertTask;
int scaleX = testOutputFilterImage.Width / tileSizeX;
int scaleY = testOutputFilterImage.Height / tileSizeY;
FilterImage outputImage = new FilterImage(this.inputImage.Width * scaleX, this.inputImage.Height * scaleY);
int offsetX;
int offsetY = 0;
int tilesProcessed = 1;
int tilesToProcess = (inputImage.Height / tileSizeY) * (inputImage.Width / tileSizeX);
while (offsetY <= inputImage.Height - tileSizeY)
{
offsetX = 0;
while (offsetX <= inputImage.Width - tileSizeX)
{
PushProgress($"converting tile: {tilesProcessed} / {tilesToProcess}", 2);
Task <FilterImage> convertTileTask = Task.Run(() => this.currentFilter.Execute(this.inputImage.GrabSubImage(offsetX, offsetY, tileSizeX, tileSizeY)));
FilterImage iOutputTile = await convertTileTask;
outputImage.PutImage(offsetX * scaleX, offsetY * scaleY, iOutputTile);
offsetX += tileSizeX;
tilesProcessed++;
}
offsetY += tileSizeY;
}
//convert the result back to bitmap
PushProgress("Fetching result", 3);
var outputTask = Task.Run(() => FilterImageConvert.BitmapFromFilterImage(outputImage));
var outputBitmap = await outputTask;
//apply the output bitmap guiwise
PushProgress("Rendering result", 3);
SetOutputImage(outputBitmap);
converting = false;
}
//perform the current selected filter with its current selected settings and input image
private async Task ExecuteCurrentFilter()
{
if (null == inputImage)
{
//no image? dont do it silencly (no annoying message plz)
return;
}
if (converting)
{
//only once
return;
}
if ((((System.Windows.Controls.CheckBox) this.FindName("tileToggle")).IsChecked ?? false))
{
await ExecuteCurrentFilterTiled();
return;
}
converting = true;
//maybe display its settings again to see the up to date settings
DisplayCurrentFilterSettings();
PushProgress("Executing the filter", 1);
//convert bitmap to filterImage and perform the filter
var convertTask = Task.Run(() => this.currentFilter.Execute(this.inputImage));
var outputFilterImage = await convertTask;
//convert the result back to bitmap
PushProgress("Fetching result", 2);
var outputTask = Task.Run(() => FilterImageConvert.BitmapFromFilterImage(outputFilterImage));
var outputBitmap = await outputTask;
//apply the output bitmap guiwise
PushProgress("Rendering result", 3);
SetOutputImage(outputBitmap);
converting = false;
}