type wordCount … type word2D … type Wordcloud … type Options … var defaultOptions … type Option … // Path to font file func FontFile(data []byte) Option { … } // Output file background color func BackgroundColor(color color.Color) Option { … } // Colors to use for the words func Colors(colors []color.Color) Option { … } // Max font size func FontMaxSize(max int) Option { … } // Min font size func FontMinSize(min int) Option { … } // A list of bounding boxes where words can not be placed. // See Mask func MaskBoxes(mask []*Box) Option { … } func Width(w int) Option { … } func Height(h int) Option { … } // Place words randomly func RandomPlacement(do bool) Option { … } // Draw bounding boxes around words func Debug() Option { … } // Initialize a wordcloud based on a map of word frequency. func NewWordcloud(wordList map[string]int32, options ...Option) *Wordcloud { … } func (w *Wordcloud) getPreciseBoundingBoxes(b *Box) []*Box { … } func (w *Wordcloud) setFont(size float64) { … } func (w *Wordcloud) Place(wc wordCount) bool { … } // Draw tries to place words one by one, starting with the ones with the highest counts func (w *Wordcloud) Draw() image.Image { … } func (w *Wordcloud) nextRandom(width float64, height float64) (x float64, y float64, space bool) { … } type workerData … type res … // Multithreaded word placement func (w *Wordcloud) nextPos(width float64, height float64) (x float64, y float64, space bool) { … } // test a series of points on a circle and returns as soon as there's a match func (w *Wordcloud) testRadius(radius float64, points []point, width float64, height float64) res { … }
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