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func CalculateFontSize ¶

func CalculateFontSize(maxChatNumInOneLine int, width int) float64

CalculateFontSize calculates the font size based on the maximum number of characters in one line and the width.

func Export ¶

func Export(imgBytes []byte, filePath string) error

func Generate ¶

func Generate(text string, width int, height int, fontColor string, externalFontPath string, shouldOneLine bool) ([]byte, error)

func GenerateRandomHexColor ¶

func GenerateRandomHexColor() (string, error)

GenerateRandomHexColor generates a random hex color.

func LoadFont ¶

func LoadFont(fontSize float64, externalFontFilePath string) (font.Face, error)

LoadFont loads the font based on the font size and the external font file path.

func ParseHexColor ¶

func ParseHexColor(s string) (c color.RGBA, err error)

ParseHexColor parses a hex color string to a color.RGBA.