This page contains various examples of using the Image to PDF API in Golang. The examples are complete and fully functional. Read more about how to convert Image to PDF in Golang.
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" ) func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Run the conversion and save the result to a file. err := client.ConvertFileToFile("/path/to/logo.png", "logo.pdf") // Check for the conversion error. handleError(err) } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" ) func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Run the conversion and store the result in the `pdf` variable. pdf, err := client.ConvertFile("/path/to/logo.png") // Check for the conversion error. handleError(err) // at this point the "pdf" variable contains PDF raw data and // can be sent in an HTTP response, saved to a file, etc. } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" ) func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Create an output stream for the conversion result outputStream, err := os.Create("logo.pdf") // Check for a file creation error. handleError(err) // Close the output stream. defer outputStream.Close() // run the conversion and write the result to the output stream. err = client.ConvertFileToStream("/path/to/logo.png", outputStream) // Check for the conversion error. handleError(err) } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" ) func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Run the conversion and save the result to a file. err := client.ConvertUrlToFile("https://pdfcrowd.com/static/images/logo.png", "logo.pdf") // Check for the conversion error. handleError(err) } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" ) func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Run the conversion and store the result in the `pdf` variable. pdf, err := client.ConvertUrl("https://pdfcrowd.com/static/images/logo.png") // Check for the conversion error. handleError(err) // at this point the "pdf" variable contains PDF raw data and // can be sent in an HTTP response, saved to a file, etc. } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" ) func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Create an output stream for the conversion result outputStream, err := os.Create("logo.pdf") // Check for a file creation error. handleError(err) // Close the output stream. defer outputStream.Close() // run the conversion and write the result to the output stream. err = client.ConvertUrlToStream("https://pdfcrowd.com/static/images/logo.png", outputStream) // Check for the conversion error. handleError(err) } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" "io/ioutil" ) func readFile(fileName string) []byte { content, err := ioutil.ReadFile(fileName) handleError(err) return content } func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Run the conversion and save the result to a file. err := client.ConvertRawDataToFile(readFile("/path/to/logo.png"), "logo.pdf") // Check for the conversion error. handleError(err) } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" "io/ioutil" ) func readFile(fileName string) []byte { content, err := ioutil.ReadFile(fileName) handleError(err) return content } func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Run the conversion and store the result in the `pdf` variable. pdf, err := client.ConvertRawData(readFile("/path/to/logo.png")) // Check for the conversion error. handleError(err) // at this point the "pdf" variable contains PDF raw data and // can be sent in an HTTP response, saved to a file, etc. } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" "io/ioutil" ) func readFile(fileName string) []byte { content, err := ioutil.ReadFile(fileName) handleError(err) return content } func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Create an output stream for the conversion result outputStream, err := os.Create("logo.pdf") // Check for a file creation error. handleError(err) // Close the output stream. defer outputStream.Close() // run the conversion and write the result to the output stream. err = client.ConvertRawDataToStream(readFile("/path/to/logo.png"), outputStream) // Check for the conversion error. handleError(err) } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }
package main import ( "os" "fmt" "github.com/pdfcrowd/pdfcrowd-go" ) func main() { // Create an API client instance. client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // Configure the conversion. client.SetDebugLog(true) // Run the conversion and save the result to a file. err := client.ConvertFileToFile("/path/to/logo.png", "logo.pdf") // Check for the conversion error. handleError(err) // print URL pointing to the debug log for this request. fmt.Println("Debug log url:", client.GetDebugLogUrl()) // print Number of conversion credits remaining in your account. fmt.Println("Remaining credit count:", client.GetRemainingCreditCount()) // print Number of credits consumed for this conversion. fmt.Println("Consumed credit count:", client.GetConsumedCreditCount()) // print Unique identifier assigned to this conversion job. fmt.Println("Job id:", client.GetJobId()) // print Size of the output data in bytes. fmt.Println("Output size:", client.GetOutputSize()) } func handleError(err error) { if err != nil { why, ok := err.(pdfcrowd.Error) if ok { os.Stderr.WriteString(fmt.Sprintf("PDFCrowd Error: %s\n", why)) } else { os.Stderr.WriteString(fmt.Sprintf("Generic Error: %s\n", err)) } panic(err.Error()) } }