public IList<WordIntPair> GetFontSizes(IList<WordIntPair> wordsAndFreqs, InputOptions options)
{
int minCount = wordsAndFreqs.Min(t => t.Number);
int maxCount = wordsAndFreqs.Max(t => t.Number);
return wordsAndFreqs.Select(tuple => new WordIntPair(
tuple.Word,
CountFont(tuple.Number, options.MaxFont, options.MinFont, minCount, maxCount)))
.ToList();
}
private static void DrawTextOnBitmap(System.Drawing.Bitmap objBmpImage, Graphics objGraphics, string text, Font objFont, InputOptions options)
{
objGraphics = Graphics.FromImage(objBmpImage);
objGraphics.Clear(ColorTranslator.FromHtml(options.BackgroundColor));
objGraphics.SmoothingMode = SmoothingMode.AntiAlias;
objGraphics.TextRenderingHint = TextRenderingHint.AntiAlias;
objGraphics.DrawString(text, objFont, new SolidBrush(ColorTranslator.FromHtml(options.TextColor)), 0, 0);
objGraphics.Flush();
}
public override System.Drawing.Bitmap GetBitmap(IList<WordIntPair> fonts, InputOptions options)
{
var textImages = BitmapMethods.GetTextImages(fonts, options).ToList();
CountVariables(textImages);
var resultImage = new System.Drawing.Bitmap( sumWidth, maxHeight);
FillBackgroundColor(resultImage, options.BackgroundColor);
FillImagesWithWordsImages(resultImage, textImages);
return BitmapMethods.ResizeImage(resultImage, options.Width, options.Height);
}
public static System.Drawing.Bitmap CreateBitmapImage(string text, int size, InputOptions options)
{
System.Drawing.Bitmap objBmpImage = new System.Drawing.Bitmap(1, 1);
Font objFont = new Font(options.FontName, size, FontStyle.Bold, GraphicsUnit.Pixel);
Graphics objGraphics = Graphics.FromImage(objBmpImage);
int width = (int)objGraphics.MeasureString(text, objFont).Width;
int height = (int)objGraphics.MeasureString(text, objFont).Height;
objBmpImage = new System.Drawing.Bitmap(objBmpImage, new Size(width, height));
DrawTextOnBitmap(objBmpImage, objGraphics, text, objFont, options);
return (objBmpImage);
}
public InputOptionsValidator(InputOptions options)
{
Options = options;
RulesAndErrorMessages = new Dictionary<Func<bool>, string>
{
{ CheckHeight, "Validation Error: Wrong height" },
{ CheckWidth, "Validation Error: Wrong width" },
{ CheckMaxFont, "Validation Error: Font size error" },
{ CheckMinFont, "Validation Error: Font size error" },
{ CheckInputFile, "Validation Error: File doesn't exists" },
{ CheckTextColor, "Validation Error: Cannot recognize this text color" },
{ CheckBackgroundColor, "Validation Error: Cannot recognize background color"},
{ CheckAlgorithm, "Validation Error: Unknown Algorithm" }
};
}
public void Init()
{
fonts = new List<WordIntPair>
{
new WordIntPair("a", 10)
};
options = new InputOptions
{
Width = 100,
Height = 100,
FontName = "Arial",
MinFont = 10,
MaxFont = 40,
BackgroundColor = "Red",
TextColor = "Yellow"
};
algorithm = new LineAlgorithm();
}
public void GetFonts_on_equal_freqs_should_return_equal_fonts_sizes()
{
var proc = new FontProcessor();
var data = new List<WordIntPair>
{
new WordIntPair("A", 10),
new WordIntPair("B", 10),
new WordIntPair("C", 10)
};
var settings = new InputOptions { MinFont = 20, MaxFont = 20 };
var expected = new List<WordIntPair>
{
new WordIntPair("A", 20),
new WordIntPair("B", 20),
new WordIntPair("C", 20)
};
var result = proc.GetFontSizes(data, settings).ToList();
CollectionAssert.AreEqual(expected, result);
}
public TagCloudGenerator(InputOptions options)
{
this.options = options;
}
public static IEnumerable<System.Drawing.Bitmap> GetTextImages(IList<WordIntPair> fonts, InputOptions options)
{
var mixedFonts = fonts.OrderBy(e => Guid.NewGuid());
return mixedFonts.Select(tuple => CreateBitmapImage(tuple.Word, tuple.Number, options));
}
public void Init()
{
options = new InputOptions
{
Width = 200,
Height = 100,
FontName = "Arial",
MinFont = 10,
MaxFont = 40,
BackgroundColor = "Red",
TextColor = "Yellow",
InputFile = "test",
OutputFile = "result.png",
AlgorithmName = "Column"
};
Program.AppKernel = new StandardKernel(new BindingModule());
var reader = Substitute.For<IFileReader>();
reader.GetRawText("test").Returns("test text");
Program.AppKernel.Unbind<IFileReader>();
Program.AppKernel.Bind<IFileReader>().ToConstant(reader);
generator = new TagCloudGenerator(options);
}
public abstract System.Drawing.Bitmap GetBitmap(IList<WordIntPair> fonts, InputOptions options);
