✨ added automatic language detection and API

freeze.go

@@ -71,6 +71,11 @@ func (f *Freeze) GenerateFromCode(code, language string) ([]byte, error) {
 	return f.generator.GenerateFromCode(code, language)
 }
 
+// GenerateFromCodeAuto generates an SVG screenshot from source code with automatic language detection
+func (f *Freeze) GenerateFromCodeAuto(code string) ([]byte, error) {
+	return f.generator.GenerateFromCode(code, "")
+}
+
 // GenerateFromFile generates an SVG screenshot from a source code file
 func (f *Freeze) GenerateFromFile(filename string) ([]byte, error) {
 	return f.generator.GenerateFromFile(filename)
@@ -112,6 +117,28 @@ func (f *Freeze) GeneratePNGFromCode(code, language string) ([]byte, error) {
 	return f.generator.ConvertToPNG(svgData, width, height)
 }
 
+// GeneratePNGFromCodeAuto generates a PNG screenshot from source code with automatic language detection
+func (f *Freeze) GeneratePNGFromCodeAuto(code string) ([]byte, error) {
+	svgData, err := f.generator.GenerateFromCode(code, "")
+	if err != nil {
+		return nil, err
+	}
+
+	// Calculate dimensions for PNG (use 4x scale for better quality)
+	width := f.config.Width
+	height := f.config.Height
+	if width == 0 || height == 0 {
+		// Use default dimensions with 4x scale
+		width = 800 * 4
+		height = 600 * 4
+	} else {
+		width *= 4
+		height *= 4
+	}
+
+	return f.generator.ConvertToPNG(svgData, width, height)
+}
+
 // GeneratePNGFromFile generates a PNG screenshot from a source code file
 func (f *Freeze) GeneratePNGFromFile(filename string) ([]byte, error) {
 	svgData, err := f.generator.GenerateFromFile(filename)
@@ -177,6 +204,24 @@ func (f *Freeze) SaveCodeToFile(code, language, filename string) error {
 	return f.SaveToFile(data, filename)
 }
 
+// SaveCodeToFileAuto generates and saves a code screenshot to a file with automatic language detection
+func (f *Freeze) SaveCodeToFileAuto(code, filename string) error {
+	var data []byte
+	var err error
+
+	if isPNGFile(filename) {
+		data, err = f.GeneratePNGFromCodeAuto(code)
+	} else {
+		data, err = f.GenerateFromCodeAuto(code)
+	}
+
+	if err != nil {
+		return err
+	}
+
+	return f.SaveToFile(data, filename)
+}
+
 // SaveFileToFile generates and saves a file screenshot to a file
 func (f *Freeze) SaveFileToFile(inputFile, outputFile string) error {
 	var data []byte
@@ -298,6 +343,42 @@ func (f *Freeze) WithDimensions(width, height float64) *Freeze {
 	return clone
 }
 
+// DetectLanguage detects the programming language from code content
+func (f *Freeze) DetectLanguage(code string) string {
+	return f.generator.DetectLanguage(code)
+}
+
+// DetectLanguageFromFilename detects the programming language from filename
+func (f *Freeze) DetectLanguageFromFilename(filename string) string {
+	return f.generator.DetectLanguageFromFilename(filename)
+}
+
+// DetectLanguageFromFile detects language from both filename and content
+func (f *Freeze) DetectLanguageFromFile(filename, content string) string {
+	return f.generator.DetectLanguageFromFile(filename, content)
+}
+
+// GetSupportedLanguages returns a list of all supported languages
+func (f *Freeze) GetSupportedLanguages() []string {
+	return f.generator.GetSupportedLanguages()
+}
+
+// IsLanguageSupported checks if a language is supported
+func (f *Freeze) IsLanguageSupported(language string) bool {
+	return f.generator.IsLanguageSupported(language)
+}
+
+// SetLanguageDetector sets a custom language detector
+func (f *Freeze) SetLanguageDetector(detector *LanguageDetector) *Freeze {
+	f.generator.SetLanguageDetector(detector)
+	return f
+}
+
+// GetLanguageDetector returns the current language detector
+func (f *Freeze) GetLanguageDetector() *LanguageDetector {
+	return f.generator.GetLanguageDetector()
+}
+
 // isPNGFile checks if the filename has a PNG extension
 func isPNGFile(filename string) bool {
 	return len(filename) > 4 && filename[len(filename)-4:] == ".png"