diff options
Diffstat (limited to 'fpdf.go')
| -rw-r--r-- | fpdf.go | 318 |
1 files changed, 211 insertions, 107 deletions
@@ -36,11 +36,17 @@ import ( "math" "os" "path" + "sort" "strconv" "strings" "time" ) +var gl struct { + catalogSort bool + creationDate time.Time +} + type fmtBuffer struct { bytes.Buffer } @@ -179,6 +185,8 @@ func fpdfNew(orientationStr, unitStr, sizeStr, fontDirStr string, size SizeType) // Set default PDF version number f.pdfVersion = "1.3" f.layerInit() + f.catalogSort = gl.catalogSort + f.creationDate = gl.creationDate return } @@ -2986,6 +2994,35 @@ func (f *Fpdf) outf(fmtStr string, args ...interface{}) { f.out(sprintf(fmtStr, args...)) } +// SetDefaultCatalogSort sets the default value of the catalog sort flag that +// will be used when initializing a new Fpdf instance. See SetCatalogSort() for +// more details. +func SetDefaultCatalogSort(flag bool) { + gl.catalogSort = flag +} + +// SetCatalogSort sets a flag that will be used, if true, to consistently order +// the document's internal resource catalogs. This method is typically only +// used for test purposes to facilitate PDF comparison. +func (f *Fpdf) SetCatalogSort(flag bool) { + f.catalogSort = flag +} + +// SetDefaultCreationDate sets the default value of the document creation date +// that will be used when initializing a new Fpdf instance. See +// SetCreationDate() for more details. +func SetDefaultCreationDate(tm time.Time) { + gl.creationDate = tm +} + +// SetCreationDate fixes the document's internal CreationDate value. By +// default, the time when the document is generated is used for this value. +// This method is typically only used for testing purposes to facilitate PDF +// comparsion. Specify a zero-value time to revert to the default behavior. +func (f *Fpdf) SetCreationDate(tm time.Time) { + f.creationDate = tm +} + func (f *Fpdf) putpages() { var wPt, hPt float64 var pageSize SizeType @@ -3092,107 +3129,130 @@ func (f *Fpdf) putfonts() { f.outf("<</Type /Encoding /BaseEncoding /WinAnsiEncoding /Differences [%s]>>", diff) f.out("endobj") } - for file, info := range f.fontFiles { - // foreach($this->fontFiles as $file=>$info) - // Font file embedding - f.newobj() - info.n = f.n - f.fontFiles[file] = info - font, err := f.loadFontFile(file) - if err != nil { - f.err = err - return - } - // dbg("font file [%s], ext [%s]", file, file[len(file)-2:]) - compressed := file[len(file)-2:] == ".z" - if !compressed && info.length2 > 0 { - buf := font[6:info.length1] - buf = append(buf, font[6+info.length1+6:info.length2]...) - font = buf + { + var fileList []string + var info fontFileType + var file string + for file = range f.fontFiles { + fileList = append(fileList, file) } - f.outf("<</Length %d", len(font)) - if compressed { - f.out("/Filter /FlateDecode") + if f.catalogSort { + sort.Strings(fileList) } - f.outf("/Length1 %d", info.length1) - if info.length2 > 0 { - f.outf("/Length2 %d /Length3 0", info.length2) - } - f.out(">>") - f.putstream(font) - f.out("endobj") - } - for k, font := range f.fonts { - // Font objects - font.N = f.n + 1 - f.fonts[k] = font - tp := font.Tp - name := font.Name - if tp == "Core" { - // Core font + for _, file = range fileList { + info = f.fontFiles[file] + // Font file embedding f.newobj() - f.out("<</Type /Font") - f.outf("/BaseFont /%s", name) - f.out("/Subtype /Type1") - if name != "Symbol" && name != "ZapfDingbats" { - f.out("/Encoding /WinAnsiEncoding") + info.n = f.n + f.fontFiles[file] = info + font, err := f.loadFontFile(file) + if err != nil { + f.err = err + return } - f.out(">>") - f.out("endobj") - } else if tp == "Type1" || tp == "TrueType" { - // Additional Type1 or TrueType/OpenType font - f.newobj() - f.out("<</Type /Font") - f.outf("/BaseFont /%s", name) - f.outf("/Subtype /%s", tp) - f.out("/FirstChar 32 /LastChar 255") - f.outf("/Widths %d 0 R", f.n+1) - f.outf("/FontDescriptor %d 0 R", f.n+2) - if font.DiffN > 0 { - f.outf("/Encoding %d 0 R", nf+font.DiffN) - } else { - f.out("/Encoding /WinAnsiEncoding") + // dbg("font file [%s], ext [%s]", file, file[len(file)-2:]) + compressed := file[len(file)-2:] == ".z" + if !compressed && info.length2 > 0 { + buf := font[6:info.length1] + buf = append(buf, font[6+info.length1+6:info.length2]...) + font = buf } - f.out(">>") - f.out("endobj") - // Widths - f.newobj() - var s fmtBuffer - s.WriteString("[") - for j := 32; j < 256; j++ { - s.printf("%d ", font.Cw[j]) + f.outf("<</Length %d", len(font)) + if compressed { + f.out("/Filter /FlateDecode") } - s.WriteString("]") - f.out(s.String()) - f.out("endobj") - // Descriptor - f.newobj() - s.Truncate(0) - s.printf("<</Type /FontDescriptor /FontName /%s ", name) - s.printf("/Ascent %d ", font.Desc.Ascent) - s.printf("/Descent %d ", font.Desc.Descent) - s.printf("/CapHeight %d ", font.Desc.CapHeight) - s.printf("/Flags %d ", font.Desc.Flags) - s.printf("/FontBBox [%d %d %d %d] ", font.Desc.FontBBox.Xmin, font.Desc.FontBBox.Ymin, - font.Desc.FontBBox.Xmax, font.Desc.FontBBox.Ymax) - s.printf("/ItalicAngle %d ", font.Desc.ItalicAngle) - s.printf("/StemV %d ", font.Desc.StemV) - s.printf("/MissingWidth %d ", font.Desc.MissingWidth) - var suffix string - if tp != "Type1" { - suffix = "2" + f.outf("/Length1 %d", info.length1) + if info.length2 > 0 { + f.outf("/Length2 %d /Length3 0", info.length2) } - s.printf("/FontFile%s %d 0 R>>", suffix, f.fontFiles[font.File].n) - f.out(s.String()) + f.out(">>") + f.putstream(font) f.out("endobj") - } else { - f.err = fmt.Errorf("unsupported font type: %s", tp) - return - // Allow for additional types - // $mtd = 'put'.strtolower($type); - // if(!method_exists($this,$mtd)) - // $this->Error('Unsupported font type: '.$type); - // $this->$mtd($font); + } + } + { + var keyList []string + var font fontDefType + var key string + for key = range f.fonts { + keyList = append(keyList, key) + } + if f.catalogSort { + sort.Strings(keyList) + } + for _, key = range keyList { + font = f.fonts[key] + // Font objects + font.N = f.n + 1 + f.fonts[key] = font + tp := font.Tp + name := font.Name + if tp == "Core" { + // Core font + f.newobj() + f.out("<</Type /Font") + f.outf("/BaseFont /%s", name) + f.out("/Subtype /Type1") + if name != "Symbol" && name != "ZapfDingbats" { + f.out("/Encoding /WinAnsiEncoding") + } + f.out(">>") + f.out("endobj") + } else if tp == "Type1" || tp == "TrueType" { + // Additional Type1 or TrueType/OpenType font + f.newobj() + f.out("<</Type /Font") + f.outf("/BaseFont /%s", name) + f.outf("/Subtype /%s", tp) + f.out("/FirstChar 32 /LastChar 255") + f.outf("/Widths %d 0 R", f.n+1) + f.outf("/FontDescriptor %d 0 R", f.n+2) + if font.DiffN > 0 { + f.outf("/Encoding %d 0 R", nf+font.DiffN) + } else { + f.out("/Encoding /WinAnsiEncoding") + } + f.out(">>") + f.out("endobj") + // Widths + f.newobj() + var s fmtBuffer + s.WriteString("[") + for j := 32; j < 256; j++ { + s.printf("%d ", font.Cw[j]) + } + s.WriteString("]") + f.out(s.String()) + f.out("endobj") + // Descriptor + f.newobj() + s.Truncate(0) + s.printf("<</Type /FontDescriptor /FontName /%s ", name) + s.printf("/Ascent %d ", font.Desc.Ascent) + s.printf("/Descent %d ", font.Desc.Descent) + s.printf("/CapHeight %d ", font.Desc.CapHeight) + s.printf("/Flags %d ", font.Desc.Flags) + s.printf("/FontBBox [%d %d %d %d] ", font.Desc.FontBBox.Xmin, font.Desc.FontBBox.Ymin, + font.Desc.FontBBox.Xmax, font.Desc.FontBBox.Ymax) + s.printf("/ItalicAngle %d ", font.Desc.ItalicAngle) + s.printf("/StemV %d ", font.Desc.StemV) + s.printf("/MissingWidth %d ", font.Desc.MissingWidth) + var suffix string + if tp != "Type1" { + suffix = "2" + } + s.printf("/FontFile%s %d 0 R>>", suffix, f.fontFiles[font.File].n) + f.out(s.String()) + f.out("endobj") + } else { + f.err = fmt.Errorf("unsupported font type: %s", tp) + return + // Allow for additional types + // $mtd = 'put'.strtolower($type); + // if(!method_exists($this,$mtd)) + // $this->Error('Unsupported font type: '.$type); + // $this->$mtd($font); + } } } return @@ -3213,8 +3273,16 @@ func (f *Fpdf) loadFontFile(name string) ([]byte, error) { } func (f *Fpdf) putimages() { - for _, img := range f.images { - f.putimage(img) + var keyList []string + var key string + for key = range f.images { + keyList = append(keyList, key) + } + if f.catalogSort { + sort.Strings(keyList) + } + for _, key = range keyList { + f.putimage(f.images[key]) } } @@ -3283,14 +3351,33 @@ func (f *Fpdf) putimage(info *ImageInfoType) { } func (f *Fpdf) putxobjectdict() { - for _, image := range f.images { - // foreach($this->images as $image) - f.outf("/I%d %d 0 R", image.i, image.n) - } - for _, tpl := range f.templates { - id := tpl.ID() - if objID, ok := f.templateObjects[id]; ok { - f.outf("/TPL%d %d 0 R", id, objID) + { + var image *ImageInfoType + var key string + var keyList []string + for key = range f.images { + keyList = append(keyList, key) + } + if f.catalogSort { + sort.Strings(keyList) + } + for _, key = range keyList { + image = f.images[key] + f.outf("/I%d %d 0 R", image.i, image.n) + } + } + { + var keyList []int64 + var key int64 + var tpl Template + keyList = templateKeyList(f.templates, f.catalogSort) + for _, key = range keyList { + tpl = f.templates[key] + // for _, tpl := range f.templates { + id := tpl.ID() + if objID, ok := f.templateObjects[id]; ok { + f.outf("/TPL%d %d 0 R", id, objID) + } } } } @@ -3298,9 +3385,20 @@ func (f *Fpdf) putxobjectdict() { func (f *Fpdf) putresourcedict() { f.out("/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]") f.out("/Font <<") - for _, font := range f.fonts { - // foreach($this->fonts as $font) - f.outf("/F%d %d 0 R", font.I, font.N) + { + var keyList []string + var font fontDefType + var key string + for key = range f.fonts { + keyList = append(keyList, key) + } + if f.catalogSort { + sort.Strings(keyList) + } + for _, key = range keyList { + font = f.fonts[key] + f.outf("/F%d %d 0 R", font.I, font.N) + } } f.out(">>") f.out("/XObject <<") @@ -3400,6 +3498,7 @@ func (f *Fpdf) putresources() { } func (f *Fpdf) putinfo() { + var tm time.Time f.outf("/Producer %s", f.textstring("FPDF "+cnFpdfVersion)) if len(f.title) > 0 { f.outf("/Title %s", f.textstring(f.title)) @@ -3416,7 +3515,12 @@ func (f *Fpdf) putinfo() { if len(f.creator) > 0 { f.outf("/Creator %s", f.textstring(f.creator)) } - f.outf("/CreationDate %s", f.textstring("D:"+time.Now().Format("20060102150405"))) + if f.creationDate.IsZero() { + tm = time.Now() + } else { + tm = f.creationDate + } + f.outf("/CreationDate %s", f.textstring("D:"+tm.Format("20060102150405"))) } func (f *Fpdf) putcatalog() { |