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main.go
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main.go
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package main
import (
"bufio"
"log"
"os"
"time"
pdfjet "github.com/edragoev1/pdfjet/src"
"github.com/edragoev1/pdfjet/src/color"
"github.com/edragoev1/pdfjet/src/compliance"
"github.com/edragoev1/pdfjet/src/contents"
)
// Example37 -- TODO:
func Example37(fileName string) {
pdf := pdfjet.NewPDFFile("Example_37.pdf", compliance.PDF15)
objects := pdf.Read(contents.OfBinaryFile(fileName))
file1, err := os.Open("fonts/OpenSans/OpenSans-Regular.ttf.stream")
if err != nil {
log.Fatal(err)
}
reader := bufio.NewReader(file1)
font1 := pdfjet.NewFontStream2(&objects, reader)
font1.SetSize(72.0)
text := pdfjet.NewTextLine(font1, "This is a test!")
text.SetLocation(50.0, 350.0)
text.SetColor(color.Peru)
pages := pdf.GetPageObjects(objects)
for _, pageObj := range pages {
gs := pdfjet.NewGraphicsState()
gs.SetAlphaStroking(0.75) // Stroking alpha
gs.SetAlphaNonStroking(0.75) // Nonstroking alpha
pageObj.SetGraphicsState(gs, &objects)
page := pdfjet.NewPageFromObject(pdf, pageObj)
page.AddFontResource(font1, &objects)
page.SetBrushColor(color.Blue)
page.DrawString(font1, nil, "Hello, World!", 50.0, 200.0)
text.DrawOn(page)
page.Complete(&objects) // The graphics stack is unwinded automatically
}
pdf.AddObjects(&objects)
pdf.Complete()
}
func main() {
start := time.Now()
Example37("data/testPDFs/wirth.pdf")
// Example37("../../eBooks/UniversityPhysicsVolume1.pdf")
// Example37("../../eBooks/Smalltalk-and-OO.pdf")
// Example37("../../eBooks/InsideSmalltalk1.pdf")
// Example37("../../eBooks/InsideSmalltalk2.pdf")
// Example37("../../eBooks/Greenbook.pdf")
// Example37("../../eBooks/Bluebook.pdf")
// Example37("../../eBooks/Orangebook.pdf")
pdfjet.PrintDuration("Example_37", time.Since(start))
}