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 the API client instance client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // run the conversion and write 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 the API client instance client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // run the conversion and store the result into 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 the 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 into 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 the API client instance client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // run the conversion and write 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 the API client instance client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // run the conversion and store the result into 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 the 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 into 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 the API client instance client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // run the conversion and write 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 the API client instance client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // run the conversion and store the result into 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 the 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 into 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 the API client instance client := pdfcrowd.NewImageToPdfClient("your_username", "your_apikey") // configure the conversion client.SetDebugLog(true) // run the conversion and write the result to a file err := client.ConvertFileToFile("/path/to/logo.png", "logo.pdf") // check for the conversion error handleError(err) // print URL of the debug log fmt.Println("Debug log url:", client.GetDebugLogUrl()) // print the number of conversion credits remaining in your account fmt.Println("Remaining credit count:", client.GetRemainingCreditCount()) // print the number of credits used for the conversion fmt.Println("Consumed credit count:", client.GetConsumedCreditCount()) // print the unique identifier for the conversion 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()) } }