func (r *pdfRenderer) DrawBar(rect image.Rectangle) {
p := new(pdf.Path)
p.Rectangle(pdf.Rectangle{
Min: pdf.Point{pdf.Unit(rect.Min.X) / pdfCoordinateScale, pdf.Unit(rect.Min.Y) / pdfCoordinateScale},
Max: pdf.Point{pdf.Unit(rect.Max.X) / pdfCoordinateScale, pdf.Unit(rect.Max.Y) / pdfCoordinateScale},
})
r.canvas.Fill(p)
}
func TestRenderPdf(t *testing.T) {
doc := pdf.New()
p := doc.NewPage(pdf.USLetterWidth, pdf.USLetterHeight)
p.Translate(0.5*pdf.Inch, 0.5*pdf.Inch)
num := uint64(590123412345)
for i := 0; i < 5; i++ {
for j := 0; j < 10; j++ {
code, _ := EAN13FromCode12(num)
p1 := pdf.Point{pdf.Unit(i) * 1.5 * pdf.Inch, pdf.Unit(j) * 1 * pdf.Inch}
p2 := pdf.Point{p1.X + 1.5*pdf.Inch, p1.Y + 1*pdf.Inch}
rect := pdf.Rectangle{p1, p2}
code.RenderPdf(p, rect, 0.13*pdf.Inch)
num += 20
}
}
p.Close()
f, _ := os.Create("test.pdf")
defer f.Close()
doc.Encode(f)
}
func (r *pdfRenderer) DrawDigit(digit int, rect image.Rectangle, fontSize int) {
text := new(pdf.Text)
text.SetFont(pdf.Helvetica, pdf.Unit(fontSize))
text.Text(digitsString[digit])
r.canvas.Push()
r.canvas.Transform(
1, 0, 0, -1,
float32(rect.Min.X)/pdfCoordinateScale,
float32(rect.Min.Y)/pdfCoordinateScale+float32(pdfFontAscender*fontSize)/pdfFontUnitScale)
r.canvas.DrawText(text)
r.canvas.Pop()
}
