private Word PlaceWord(string word, double frequency, TagCloudLayouter layouter, Graphics graphics)
{
var font = new Font(fontFamilyProvider.FontFamily, GetFontSize(frequency));
var wordSize = graphics.MeasureString(word, font).ToSize();
var wordRectangle = layouter.PutNextRectangle(wordSize);
return(new Word(word, font, wordRectangle));
}
public void GetTags_GetWeightedWords_ReturnCorrectCountOfTags()
{
var text
= "So I said yes to Thomas Clinton and later thought that I had said yes to God and later still realized I had said yes only to Thomas Clinton";
var weightedWords = wordAnalyzer.WeightWords(wordAnalyzer.SplitWords(text));
var tagLayouter = new TagCloudLayouter(new FontSettings(), new CircularCloudLayouter());
tagLayouter.GetCloudTags(weightedWords).Count.Should().Be(weightedWords.Count);
}
public void GetTags_AddSingleWord_ReturnWordWithMaxSize()
{
var weightedWords = new Dictionary <String, int> {
{ "hello", 3 }
};
var tagLayouter = new TagCloudLayouter(new FontSettings(), new CircularCloudLayouter());
var tags = tagLayouter.GetCloudTags(weightedWords);
tags.First().Font.SizeInPoints.Should().Be(50);
}
public void GetTags_GetWeightedWords_ReturnTagsSortedByWeightedWordsFrequencies()
{
var text
= "So I said yes to Thomas Clinton and later thought that I had said yes to God and later still realized I had said yes only to Thomas Clinton";
var weightedWords = wordAnalyzer.WeightWords(wordAnalyzer.SplitWords(text));
var tagLayouter = new TagCloudLayouter(new FontSettings(), new CircularCloudLayouter());
var tags = tagLayouter.GetCloudTags(weightedWords);
tags.Select(tag => tag.Word).Should().ContainInOrder(weightedWords.Select(word => word.Key));
}
public void GetTags_AddThreeWordsWithDescendingFrequensies_ReturnTagsWithCorrectSizes()
{
var weightedWords = new Dictionary <String, int> {
{ "how", 4 }, { "are", 2 }, { "you", 1 }
};
var tagLayouter = new TagCloudLayouter(new FontSettings(), new CircularCloudLayouter());
var tags = tagLayouter.GetCloudTags(weightedWords);
var sizes = new[] { 63, 37, 23 };
tags.Select(tag => tag.Font.SizeInPoints).ShouldAllBeEquivalentTo(sizes);
}
public void GetTags_GetWeightedWords_ReturnTagsWithDescendingFontSizes()
{
var text
= "So I said yes to Thomas Clinton and later thought that I had said yes to God and later still realized I had said yes only to Thomas Clinton";
var weightedWords = wordAnalyzer.WeightWords(wordAnalyzer.SplitWords(text));
var tagLayouter = new TagCloudLayouter(new FontSettings(), new CircularCloudLayouter());
var tags = tagLayouter.GetCloudTags(weightedWords);
var tagFontsSizes = tags.Select(tag => tag.Font.Size).ToList();
tagFontsSizes.Should().BeInDescendingOrder();
}
public static void DrawDefaultTagCloud()
{
var layout = new CircularCloudLayouter();
var text =
"So I said yes to Thomas Clinton and later thought that I had said yes to God and later still realized I had said yes only to Thomas Clinton";
var analyzer = new WordAnalyzer();
var parsedText = analyzer.TextAnalyzer(text);
var weightedWords = analyzer.WeightWords(parsedText);
var tagLayout = new TagCloudLayouter(layout, weightedWords);
var tags = tagLayout.GetTags();
var visualizer = new TagCloudVisualization(tags);
var bitmap = visualizer.GetTagCloudImage();
bitmap.Save("tag_cloud.png");
}
public void SetUp()
{
center = new Point(10, 10);
layouter = new TagCloudLayouter(new SpiralAlgorithm(center));
placedRectangles = new List <Rectangle>();
}