func (pw *PageWriter) init(dw *DocWriter, options options.Options) *PageWriter {
pw.dw = dw
pw.options = options
pw.lineSpacing = options.FloatDefault("line_spacing", 1.0)
pw.units = UnitConversions[options.StringDefault("units", "pt")]
ps := newPageStyle(options)
pw.pageHeight = ps.pageSize.y2
pw.pageWidth = ps.pageSize.x2
pw.page = newPage(pw.dw.nextSeq(), 0, pw.dw.catalog.pages)
pw.page.setMediaBox(ps.pageSize)
pw.page.setCropBox(ps.cropSize)
pw.page.setRotate(ps.rotate)
pw.page.setResources(pw.dw.resources)
pw.dw.file.body.add(pw.page)
pw.autoPath = true
pw.mw = newMiscWriter(&pw.stream)
pw.tw = newTextWriter(&pw.stream)
pw.gw = newGraphWriter(&pw.stream)
return pw
}
func New(family string, options options.Options, fontSources FontSources) (*Font, error) {
font := &Font{
family: family,
Weight: options.StringDefault("weight", ""),
style: options.StringDefault("style", ""),
RelativeSize: options.FloatDefault("relative_size", 100) / 100.0,
}
if Ranges, ok := options["ranges"]; ok {
switch Ranges := Ranges.(type) {
case []string:
font.Ranges = Ranges
case RuneSet:
font.RuneSet = Ranges
}
}
var err error
for _, fontSource := range fontSources {
if font.metrics, err = fontSource.Select(font.family, font.Weight, font.style, font.Ranges); err == nil {
font.subType = fontSource.SubType()
return font, nil
}
}
return nil, err
}
func (pw *PageWriter) PrintWithOptions(text string, options options.Options) (err error) {
var para []*rich_text.RichText
rt, err := pw.richTextForString(text)
if err != nil {
return
}
if width := options.FloatDefault("width", 0); width > 0 {
flags := make([]wordbreaking.Flags, rt.Len())
wordbreaking.MarkRuneAttributes(rt.String(), flags)
para = rt.WrapToWidth(pw.units.toPts(width), flags, false)
} else {
para = []*rich_text.RichText{rt}
}
pw.PrintParagraph(para)
return nil
}