public static List <TreeNode> GetRecipes()
{
var categoryNodes = new List <TreeNode>();
foreach (var dict in Locate.GetCategorizedRecipes())
{
string category = dict.Key;
IRecipe[] recipes = dict.Value;
var categoryNode = new TreeNode(category);
categoryNodes.Add(categoryNode);
foreach (IRecipe recipe in recipes)
{
categoryNode.Items.Add(new TreeNode(recipe));
}
}
return(categoryNodes);
}
/// <summary>
/// Use REFLECTION to locate all recipes, execute them and save the output images.
/// </summary>
/// <returns>array of recipes found using reflection</returns>
public static IRecipe[] Generate(string outputPath, int width = 600, int height = 400, int thumbJpegQuality = 95)
{
outputPath = Path.GetFullPath(outputPath);
if (!Directory.Exists(outputPath))
{
Directory.CreateDirectory(outputPath);
}
IRecipe[] recipes = Locate.GetRecipes();
EncoderParameters thumbJpegEncoderParameters = new(1);
thumbJpegEncoderParameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, thumbJpegQuality);
ImageCodecInfo thumbJpegEncoder = ImageCodecInfo.GetImageEncoders().Where(x => x.MimeType == "image/jpeg").First();
Parallel.ForEach(recipes, recipe =>
{
var sw = System.Diagnostics.Stopwatch.StartNew();
var plt = new Plot(width, height);
recipe.ExecuteRecipe(plt);
// save full size image
Bitmap bmp = plt.Render();
string filePath = Path.Combine(outputPath, recipe.ID.ToLower() + ".png");
bmp.Save(filePath, ImageFormat.Png);
// calculate image hash
Console.WriteLine($"{recipe.ID},{Tools.BitmapHash(bmp)},{sw.Elapsed.TotalMilliseconds}");
// thumbnail
int thumbHeight = 180;
int thumbWidth = thumbHeight * bmp.Width / bmp.Height;
Bitmap thumb = Drawing.GDI.Resize(bmp, thumbWidth, thumbHeight);
string thumbFilePath = Path.Combine(outputPath, recipe.ID.ToLower() + "_thumb.jpg");
thumb.Save(thumbFilePath, thumbJpegEncoder, thumbJpegEncoderParameters);
});
return(recipes);
}
/// <summary>
/// Use a combination of file reading and reflection to get fields and source code for all recipes
/// </summary>
public List <(string id, string title, string description, string source)> GetRecipeSources(string sourcePath)
{
sourcePath = Path.GetFullPath(sourcePath);
if (!File.Exists(Path.Combine(sourcePath, "IRecipe.cs")))
{
throw new ArgumentException("IRecipe.cs can not be found in the given source colder");
}
var sources = new List <(string id, string title, string description, string source)>();
string[] projectCsFiles = Directory.GetFiles(sourcePath, "*.cs", SearchOption.AllDirectories);
foreach (string csFilePath in projectCsFiles)
{
string sourceCode = File.ReadAllText(csFilePath);
// ensure the source code is not from this file
if (Path.GetFileName(csFilePath) == "Chef.cs")
{
continue;
}
// ensure the start of the recipe is in the file
string recipeStart = ": IRecipe";
if (!sourceCode.Contains(recipeStart))
{
continue;
}
// isolate individual recipes from files with multiple recipes
string[] sourceCodeByClass = sourceCode.Split(
separator: new string[] { recipeStart },
options: StringSplitOptions.RemoveEmptyEntries)
.Skip(1)
.ToArray();
foreach (string singleClassSourceCode in sourceCodeByClass)
{
// ensure functions are at the correct indentation level
int executionMethodCount = Regex.Matches(singleClassSourceCode, ExecutionMethod).Count;
string indentedMethod = "\n " + ExecutionMethod;
int indentedMethodCount = Regex.Matches(singleClassSourceCode, indentedMethod).Count;
if (executionMethodCount != indentedMethodCount)
{
throw new InvalidOperationException($"Source code parsing error in: {csFilePath}\n\n" +
"This is typically caused by an error in indentation and whitespace before '{ExecutionMethod}'.\n\n" +
"Ensure cookbook classes are standalone classes not encased by another class.");
}
// read the file's source code for primary recipe components
string id = GetRecipeID(singleClassSourceCode);
IRecipe recipe = Locate.GetRecipe(id);
string source = $"var plt = new ScottPlot.Plot({Width}, {Height});\n\n" +
GetRecipeSource(singleClassSourceCode, csFilePath) + "\n\n" +
$"plt.SaveFig(\"{id}{Ext}\");";
sources.Add((recipe.ID, recipe.Title, recipe.Description, source));
}
}
return(sources);
}