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authorKurt Jung <kurt.w.jung@gmail.com>2015-10-10 09:11:53 -0400
committerKurt Jung <kurt.w.jung@gmail.com>2015-10-10 09:11:53 -0400
commite924055b983321336e31f556f5235ea79fe72134 (patch)
tree49a1b976e4618d739ea7a55b1869321c82f84d03
parentcae789a4e309eb39bd6145f93361a3745effbb2d (diff)
Implement conditional catalog sort feature
-rw-r--r--def.go1
-rw-r--r--fpdf.go230
-rw-r--r--fpdf_test.go1
3 files changed, 137 insertions, 95 deletions
diff --git a/def.go b/def.go
index 50a3f70..2c4d33d 100644
--- a/def.go
+++ b/def.go
@@ -235,6 +235,7 @@ type Fpdf struct {
err error // Set if error occurs during life cycle of instance
protect protectType // document protection structure
layer layerRecType // manages optional layers in document
+ catalogSort bool // sort resource catalogs in document
colorFlag bool // indicates whether fill and text colors are different
color struct { // Composite values of colors
draw, fill, text clrType
diff --git a/fpdf.go b/fpdf.go
index efe5274..d501574 100644
--- a/fpdf.go
+++ b/fpdf.go
@@ -36,6 +36,7 @@ import (
"math"
"os"
"path"
+ "sort"
"strconv"
"strings"
"time"
@@ -2986,6 +2987,13 @@ func (f *Fpdf) outf(fmtStr string, args ...interface{}) {
f.out(sprintf(fmtStr, args...))
}
+// 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.
+func (f *Fpdf) SetCatalogSort(flag bool) {
+ f.catalogSort = flag
+}
+
// 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. Specify a
@@ -3100,107 +3108,131 @@ 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 {
+ // for file, info := range f.fontFiles {
+ 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
@@ -3221,8 +3253,16 @@ 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])
}
}
diff --git a/fpdf_test.go b/fpdf_test.go
index e45f966..39cebc0 100644
--- a/fpdf_test.go
+++ b/fpdf_test.go
@@ -110,6 +110,7 @@ func Example() {
// This example demonsrates the generation of headers, footers and page breaks.
func ExampleFpdf_AddPage() {
pdf := gofpdf.New("P", "mm", "A4", "")
+ pdf.SetCatalogSort(true)
pdf.SetHeaderFunc(func() {
pdf.Image(example.ImageFile("logo.png"), 10, 6, 30, 0, false, "", 0, "")
pdf.SetY(5)