✨ initial commit
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329
sample/main.go
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329
sample/main.go
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package main
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import (
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"fmt"
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"os"
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"github.com/landaiqing/freezelib"
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)
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func main() {
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fmt.Println("🎨 Freeze Library Examples")
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fmt.Println("========================")
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// Run all examples
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basicExample()
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quickFreezeExample()
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terminalExample()
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customConfigExample()
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fileExample()
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presetExample()
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chainedExample()
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fmt.Println("\n✅ All examples completed successfully!")
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fmt.Println("Check the generated files in the current directory.")
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}
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func basicExample() {
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fmt.Println("\n📝 Basic Example")
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fmt.Println("----------------")
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// Create a new freeze instance
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freeze := freezelib.New()
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// Go code to screenshot
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code := `package main
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import "fmt"
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func main() {
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fmt.Println("Hello, World!")
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fmt.Println("This is a beautiful code screenshot!")
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}`
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// Generate SVG
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svgData, err := freeze.GenerateFromCode(code, "go")
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if err != nil {
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fmt.Printf("Error: %v\n", err)
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return
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}
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// Save to file
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err = os.WriteFile("basic_example.svg", svgData, 0644)
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if err != nil {
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fmt.Printf("Error saving file: %v\n", err)
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return
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}
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fmt.Println("✓ Generated basic_example.svg")
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}
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func quickFreezeExample() {
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fmt.Println("\n⚡ QuickFreeze Example")
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fmt.Println("---------------------")
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// Use QuickFreeze for simplified API
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qf := freezelib.NewQuickFreeze()
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// JavaScript code with styling
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code := `function fibonacci(n) {
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if (n <= 1) return n;
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return fibonacci(n - 1) + fibonacci(n - 2);
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}
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console.log('Fibonacci sequence:');
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for (let i = 0; i < 10; i++) {
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console.log('F(' + i + ') = ' + fibonacci(i));
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}`
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// Chain styling options
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svgData, err := qf.WithTheme("dracula").
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WithFont("Fira Code", 14).
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WithWindow().
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WithShadow().
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WithLineNumbers().
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WithLanguage("javascript").
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CodeToSVG(code)
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if err != nil {
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fmt.Printf("Error: %v\n", err)
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return
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}
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err = os.WriteFile("quickfreeze_example.svg", svgData, 0644)
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if err != nil {
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fmt.Printf("Error saving file: %v\n", err)
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return
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}
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fmt.Println("✓ Generated quickfreeze_example.svg")
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}
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func terminalExample() {
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fmt.Println("\n💻 Terminal Example")
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fmt.Println("-------------------")
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// Use terminal preset for ANSI output
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freeze := freezelib.NewWithConfig(freezelib.TerminalPreset())
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// Colored terminal output
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terminalOutput := "\033[32m✓ SUCCESS\033[0m: Build completed successfully\n" +
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"\033[33m⚠ WARNING\033[0m: Deprecated function used in main.go:42\n" +
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"\033[31m✗ ERROR\033[0m: File not found: config.json\n" +
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"\033[36mINFO\033[0m: Starting server on port 8080\n" +
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"\033[35mDEBUG\033[0m: Loading configuration from ~/.config/app"
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svgData, err := freeze.GenerateFromANSI(terminalOutput)
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if err != nil {
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fmt.Printf("Error: %v\n", err)
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return
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}
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err = os.WriteFile("terminal_example.svg", svgData, 0644)
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if err != nil {
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fmt.Printf("Error saving file: %v\n", err)
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return
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}
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fmt.Println("✓ Generated terminal_example.svg")
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}
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func customConfigExample() {
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fmt.Println("\n⚙️ Custom Config Example")
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fmt.Println("-------------------------")
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// Create custom configuration
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config := freezelib.DefaultConfig()
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// Customize appearance
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config.Theme = "github"
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config.Background = "#f6f8fa"
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config.Font.Family = "JetBrains Mono"
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config.Font.Size = 16
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config.LineHeight = 1.4
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// Layout settings
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config.SetPadding(30)
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config.SetMargin(20)
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config.Width = 800
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// Effects
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config.Window = true
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config.ShowLineNumbers = true
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config.Border.Radius = 12
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config.Border.Width = 2
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config.Border.Color = "#d1d9e0"
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config.Shadow.Blur = 25
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config.Shadow.Y = 15
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// Create freeze instance with custom config
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freeze := freezelib.NewWithConfig(config)
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// Python code
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code := `import numpy as np
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import matplotlib.pyplot as plt
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def plot_sine_wave():
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x = np.linspace(0, 2 * np.pi, 100)
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y = np.sin(x)
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plt.figure(figsize=(10, 6))
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plt.plot(x, y, 'b-', linewidth=2, label='sin(x)')
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plt.xlabel('x')
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plt.ylabel('sin(x)')
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plt.title('Sine Wave')
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plt.grid(True, alpha=0.3)
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plt.legend()
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plt.show()
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if __name__ == "__main__":
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plot_sine_wave()`
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svgData, err := freeze.GenerateFromCode(code, "python")
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if err != nil {
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fmt.Printf("Error: %v\n", err)
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return
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}
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err = os.WriteFile("custom_config_example.svg", svgData, 0644)
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if err != nil {
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fmt.Printf("Error saving file: %v\n", err)
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return
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}
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fmt.Println("✓ Generated custom_config_example.svg")
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}
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func fileExample() {
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fmt.Println("\n📁 File Example")
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fmt.Println("---------------")
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// Create a sample Rust file
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sampleCode := `use std::collections::HashMap;
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fn main() {
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let mut scores = HashMap::new();
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scores.insert(String::from("Blue"), 10);
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scores.insert(String::from("Yellow"), 50);
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for (key, value) in &scores {
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println!("{}: {}", key, value);
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}
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}`
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// Create sample file
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err := os.WriteFile("sample.rs", []byte(sampleCode), 0644)
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if err != nil {
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fmt.Printf("Error creating sample file: %v\n", err)
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return
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}
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// Use presentation preset
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freeze := freezelib.NewWithConfig(freezelib.PresentationPreset())
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// Generate from file
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svgData, err := freeze.GenerateFromFile("sample.rs")
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if err != nil {
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fmt.Printf("Error: %v\n", err)
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return
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}
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err = os.WriteFile("file_example.svg", svgData, 0644)
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if err != nil {
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fmt.Printf("Error saving file: %v\n", err)
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return
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}
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fmt.Println("✓ Generated file_example.svg")
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fmt.Println("✓ Created sample.rs")
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}
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func presetExample() {
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fmt.Println("\n🎨 Preset Example")
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fmt.Println("-----------------")
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code := `const express = require('express');
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const app = express();
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app.get('/', (req, res) => {
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res.json({ message: 'Hello, World!' });
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});
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app.listen(3000, () => {
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console.log('Server running on port 3000');
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});`
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// Try different presets
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presets := []string{"dark", "light", "minimal", "retro"}
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for _, preset := range presets {
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freeze := freezelib.NewWithPreset(preset)
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svgData, err := freeze.GenerateFromCode(code, "javascript")
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if err != nil {
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fmt.Printf("Error with preset %s: %v\n", preset, err)
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continue
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}
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filename := fmt.Sprintf("preset_%s_example.svg", preset)
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err = os.WriteFile(filename, svgData, 0644)
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if err != nil {
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fmt.Printf("Error saving %s: %v\n", filename, err)
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continue
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}
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fmt.Printf("✓ Generated %s\n", filename)
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}
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}
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func chainedExample() {
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fmt.Println("\n🔗 Chained Methods Example")
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fmt.Println("---------------------------")
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// Create base freeze instance
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freeze := freezelib.New()
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code := `#include <iostream>
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#include <vector>
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#include <algorithm>
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int main() {
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std::vector<int> numbers = {5, 2, 8, 1, 9};
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std::sort(numbers.begin(), numbers.end());
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std::cout << "Sorted numbers: ";
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for (const auto& num : numbers) {
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std::cout << num << " ";
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}
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std::cout << std::endl;
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return 0;
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}`
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// Chain multiple styling methods
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svgData, err := freeze.
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WithTheme("monokai").
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WithFont("Cascadia Code", 15).
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WithBackground("#2d2d2d").
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WithWindow(true).
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WithLineNumbers(true).
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WithShadow(20, 0, 10).
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WithBorder(1, 10, "#444444").
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WithPadding(25).
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WithMargin(15).
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GenerateFromCode(code, "cpp")
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if err != nil {
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fmt.Printf("Error: %v\n", err)
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return
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}
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err = os.WriteFile("chained_example.svg", svgData, 0644)
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if err != nil {
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fmt.Printf("Error saving file: %v\n", err)
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return
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}
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fmt.Println("✓ Generated chained_example.svg")
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}
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