public string Execute(FileItem item, string infile, string dest, ValuePairEnumerator configData)
{
try
{
var conf = new ChromakeyViewModel(configData);
dest = Path.Combine(Path.GetDirectoryName(dest), Path.GetFileNameWithoutExtension(dest) + ".jpg");
KalikoImage image = new KalikoImage(infile);
var x = (System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString(conf.BackgroundColor);
var filter = new ChromaKeyFilter();
filter.KeyColor = Color.FromArgb(x.R, x.G, x.B);
filter.ToleranceHue = conf.Hue;
filter.ToleranceSaturnation = conf.Saturnation / 100f;
filter.ToleranceBrightness = conf.Brigthness / 100f;
image.ApplyFilter(filter);
var res = image.Clone();
if (conf.UnsharpMask)
{
res.ApplyFilter(new UnsharpMaskFilter(1.4f, 1.32f, 5));
}
var backdrop = new KalikoImage(conf.BackgroundFile);
backdrop = backdrop.Scale(new FitScaling(image.Width, image.Height));
backdrop.BlitImage(res);
backdrop.SaveJpg(dest, 90);
return(dest);
}
catch (Exception e)
{
Log.Debug("Chromakey error", e);
}
return(null);
}
private void AddWaterMarking(WaterMarkingPosition?position, string waterMarkingPath, KalikoImage imageThumb)
{
if (!position.HasValue || string.IsNullOrEmpty(waterMarkingPath))
{
return;
}
//需要打上水印
var waterMarkingImgage = new KalikoImage(waterMarkingPath);
var waterMarkingWidth = (int)(imageThumb.Width / 4.8);
var waterMarkingHeight = (int)(waterMarkingImgage.Height * waterMarkingWidth / waterMarkingImgage.Width);
var waterScalingBase = new FitScaling(waterMarkingWidth, waterMarkingHeight);
var waterThumb = waterMarkingImgage.Scale(waterScalingBase);
//计算距离
var waterX = 0;
var waterY = 0;
const int edgeWidth = 40;
switch (position.Value)
{
case WaterMarkingPosition.Center:
waterX = (imageThumb.Width - waterThumb.Width) / 2;
waterY = (imageThumb.Height - waterThumb.Height) / 2;
break;
case WaterMarkingPosition.LeftBottom:
waterX = edgeWidth;
waterY = imageThumb.Height - waterThumb.Height - edgeWidth;
break;
case WaterMarkingPosition.LeftTop:
waterX = edgeWidth;
waterY = edgeWidth;
break;
case WaterMarkingPosition.RightBottom:
waterX = imageThumb.Width - waterThumb.Width - edgeWidth;
waterY = imageThumb.Height - waterThumb.Height - edgeWidth;
break;
case WaterMarkingPosition.RightTop:
waterX = imageThumb.Width - waterThumb.Width - edgeWidth;
waterY = edgeWidth;
break;
}
imageThumb.BlitImage(waterThumb, waterX, waterY);
}
// WARNING: Very ugly code ahead, quick and dirty method to generate an image
private Dictionary <string, string> BuildCDMBar(string barName, string barNameBackgroundColour, string ingredient1, string ingredient2, string ingredient3, string directoryId, string userImagesPath)
{
// Locate base directory for CDM bar assets
string cdmBarAssetsPath = Path.Combine(GetRequestApplicationPath(), "App_Data", "cdm_bar");
var fileId = Guid.NewGuid().ToString("N");
string imageFilePath = $"{directoryId}/{fileId}-1.jpg";
//string imageShareFilePath = $"{directoryId}/{fileId}-2.jpg";
string imageShareWideFilePath = $"{directoryId}/{fileId}-3.jpg";
// Count the amount of ingredients
int ingredientAmount = 0;
ingredientAmount += !String.IsNullOrEmpty(ingredient1) ? 1 : 0;
ingredientAmount += !String.IsNullOrEmpty(ingredient2) ? 1 : 0;
ingredientAmount += !String.IsNullOrEmpty(ingredient3) ? 1 : 0;
// Create a new canvas based on background image (helps in getting a dynamic dimension also)
String backgroundImagePath = Path.Combine(cdmBarAssetsPath, "background.png");
using (var image = new KalikoImage(backgroundImagePath))
{
// Composite the image with ingredients by blitting, yeah too many nested IFs
if (ingredientAmount > 0)
{
var ingredient1ImagePath = Path.Combine(cdmBarAssetsPath, ingredient1.ToLower());
using (var ingredientImage = new KalikoImage(ingredient1ImagePath))
{
// Very important to set the image to the same resolution as the exported file, else proportions won't be maintained
ingredientImage.SetResolution(96, 96);
image.BlitImage(ingredientImage, 2596, 1090);
}
if (ingredientAmount > 1)
{
var ingredient2ImagePath = Path.Combine(cdmBarAssetsPath, ingredient2.ToLower());
using (var ingredientImage = new KalikoImage(ingredient2ImagePath))
{
// Very important to set the image to the same resolution as the exported file, else proportions won't be maintained
ingredientImage.SetResolution(96, 96);
image.BlitImage(ingredientImage, 2646, 698);
}
if (ingredientAmount > 2)
{
var ingredient3ImagePath = Path.Combine(cdmBarAssetsPath, ingredient3.ToLower());
using (var ingredientImage = new KalikoImage(ingredient3ImagePath))
{
// Very important to set the image to the same resolution as the exported file, else proportions won't be maintained
ingredientImage.SetResolution(96, 96);
image.BlitImage(ingredientImage, 2390, 392);
}
}
}
}
// Overlay the CDM Bar with "masking" holes
var cdmBarImagePath = Path.Combine(cdmBarAssetsPath, $"bar-ingredient-x{ingredientAmount.ToString()}.png");
using (var cdmBarImage = new KalikoImage(cdmBarImagePath))
{
cdmBarImage.SetResolution(96, 96);
image.BlitImage(cdmBarImage);
}
GC.Collect();
GC.WaitForPendingFinalizers();
// Overlay the text background if any
if (!(String.IsNullOrEmpty(barNameBackgroundColour) || barNameBackgroundColour.ToLower().Equals("transparent")))
{
var barNameBackgroundImagePath = Path.Combine(cdmBarAssetsPath, $"back-{barNameBackgroundColour.ToLower()}.png");
using (var barNameBackgroundImage = new KalikoImage(barNameBackgroundImagePath))
{
barNameBackgroundImage.SetResolution(96, 96);
image.BlitImage(barNameBackgroundImage);
}
}
// Add the final touch, the "pièce de résistance", the centered angled text!
var fontPath = Path.Combine(cdmBarAssetsPath, "MonkyBasicRegular.ttf");
image.SetFont(fontPath, 110, FontStyle.Regular);
var text = new TextField(barName.ToUpper());
text.Rotation = -14.1f;
text.TextColor = Color.White;
text.Alignment = StringAlignment.Center;
text.VerticalAlignment = StringAlignment.Center;
text.TargetArea = new Rectangle(900, 1231, 1800, 618);
image.DrawText(text);
// Create destination directory if it doesn't already exist
String destinationDirectoryPath = Path.Combine(userImagesPath, directoryId);
System.IO.Directory.CreateDirectory(destinationDirectoryPath);
// Create the share image (square aspect ratio)
/*
* String backgroundShareImagePath = Path.Combine(cdmBarAssetsPath, "background-share.png");
* using (var shareImage = new KalikoImage(backgroundShareImagePath))
* {
* shareImage.SetResolution(96, 96);
* shareImage.BlitImage(image);
*
* // Save the square share image
* String destinationShareFilePath = Path.Combine(userImagesPath, imageShareFilePath);
* // Resize it for front-end display
* shareImage.Resize(1200, 1200);
* shareImage.SaveJpg(destinationShareFilePath, 90, true);
* }
*/
// Create the share image (wide aspect ratio)
String backgroundShareImageWidePath = Path.Combine(cdmBarAssetsPath, "background-share-wide.png");
using (var shareImageWide = new KalikoImage(backgroundShareImageWidePath))
{
shareImageWide.SetResolution(96, 96);
shareImageWide.BlitImage(image, 1286, -68);
// Compose the text onto the image
String textShareImageWidePath = Path.Combine(cdmBarAssetsPath, "text-share-wide.png");
using (var shareTextWide = new KalikoImage(textShareImageWidePath))
{
shareTextWide.SetResolution(96, 96);
shareImageWide.BlitImage(shareTextWide);
}
// Save the wide share image
String destinationShareWideFilePath = Path.Combine(userImagesPath, imageShareWideFilePath);
// Resize it for front-end display
shareImageWide.Resize(1200, 630);
shareImageWide.SaveJpg(destinationShareWideFilePath, 90, true);
}
GC.Collect();
GC.WaitForPendingFinalizers();
// Save the composited image
String destinationFilePath = Path.Combine(userImagesPath, imageFilePath);
image.SetResolution(96, 96);
// Resize it for front-end display
image.Resize(520, 360);
image.SaveJpg(destinationFilePath, 90, true);
}
GC.Collect();
GC.WaitForPendingFinalizers();
return(new Dictionary <string, string> {
{ "FileId", fileId },
{ "CompositedImage", imageFilePath },
{ "CompositedImageShare", imageShareWideFilePath },
{ "CompositedImageShareWide", imageShareWideFilePath }
});
}
