PageToPng

Convert and save the specified page as Png-image.

func (document *Document) PageToPng(num int32, resolution_dpi int32, filename string) error

Parameters:

  • num - page number of the PDF-document
  • resolution_dpi - resolution in DPI of the resulting file

Return:

  • error - contains an error or nil if absent

Example:

package main

import "github.com/aspose-pdf/aspose-pdf-go-cpp"
import "log"

func main() {
	// Open(filename string) opens a PDF-document with filename
	pdf, err := asposepdf.Open("sample.pdf")
	if err != nil {
		log.Fatal(err)
	}
	// PageToPng(num int32, resolution_dpi int32, filename string) saves the specified page as Png-image file
	err = pdf.PageToPng(1, 100, "sample_page1.png")
	if err != nil {
		log.Fatal(err)
	}
	// Close() releases allocated resources for PDF-document
	defer pdf.Close()
}