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render.go
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render.go
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package render
import (
"log"
"github.com/signintech/pdft"
)
//ErrNotFoundKey key not found
//var ErrNotFoundKey = errors.New("not found key")
var errNotFoundKey = "Not found key %s"
//NewRender create new render
func NewRender(pdfTmpl string, finfos FieldInfos) (*Render, error) {
var rd Render
rd.finfoMap = finfos.toMap()
err := rd.Open(pdfTmpl)
if err != nil {
return nil, err
}
return &rd, nil
}
//Render pdf render
type Render struct {
pdft.PDFt
finfoMap map[string]FieldInfo
}
//Text write text to pdf
func (r *Render) Text(key string, text string) error {
if finfo, ok := r.finfoMap[key]; ok {
err := r.SetFont(finfo.Font, "", finfo.Size)
if err != nil {
return err
}
err = r.Insert(text, finfo.PageNum, finfo.X, finfo.Y, finfo.W, finfo.H, finfo.Align)
if err != nil {
return err
}
return nil
}
log.Printf("Warr: Not found key %s", key)
return nil
}
//ImgBase64 image base 64
func (r *Render) ImgBase64(key string, base64 string) error {
//fmt.Printf("ImgBase64 %s\n\n", base64)
if finfo, ok := r.finfoMap[key]; ok {
err := r.InsertImgBase64(base64, finfo.PageNum, finfo.X, finfo.Y, finfo.W, finfo.H)
if err != nil {
return err
}
return nil
}
log.Printf("Warr: Not found key %s", key)
return nil
}
//ShowDesignView for debug
func (r *Render) ShowDesignView() {
r.ShowCellBorder(true)
for key, finfo := range r.finfoMap {
r.SetFont(finfo.Font, "", finfo.Size)
r.Insert("#"+key, finfo.PageNum, finfo.X, finfo.Y, finfo.W, finfo.H, finfo.Align)
}
}