From 6766a7e6d59e243ee86f02ff6646bdbc6464bbd8 Mon Sep 17 00:00:00 2001
From: Yash Kamothi <yash@avendahealth.com>
Date: Wed, 27 Feb 2019 12:06:52 -0800
Subject: added functionality to change the current page in the pdf document

---
 .gitignore        |  1 +
 def.go            |  1 +
 fpdf.go           | 10 ++++++++++
 fpdf_test.go      |  6 +++---
 ttfparser_test.go |  2 +-
 5 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/.gitignore b/.gitignore
index 60e2227..b28eb22 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@ private
 *.sublime*
 *.swp
 **/*.test
+.idea/
diff --git a/def.go b/def.go
index f19e86b..12b5edf 100644
--- a/def.go
+++ b/def.go
@@ -442,6 +442,7 @@ type Pdf interface {
 	SetMargins(left, top, right float64)
 	SetPageBoxRec(t string, pb PageBox)
 	SetPageBox(t string, x, y, wd, ht float64)
+	SetPage(pageNum int)
 	SetProtection(actionFlag byte, userPassStr, ownerPassStr string)
 	SetRightMargin(margin float64)
 	SetSubject(subjectStr string, isUTF8 bool)
diff --git a/fpdf.go b/fpdf.go
index d6fc123..f18f2ad 100644
--- a/fpdf.go
+++ b/fpdf.go
@@ -383,6 +383,12 @@ func (f *Fpdf) SetPageBoxRec(t string, pb PageBox) {
 func (f *Fpdf) SetPageBox(t string, x, y, wd, ht float64) {
 	f.SetPageBoxRec(t, PageBox{SizeType{Wd: wd, Ht: ht}, PointType{X: x, Y: y}})
 }
+// SetPage sets the current page to that of a valid page in the PDF document.
+func (f *Fpdf) SetPage(pageNum int) {
+	if (pageNum > 0) && (pageNum < len(f.pages)) {
+		f.page = pageNum
+	}
+}
 
 // SetFontLocation sets the location in the file system of the font and font
 // definition files.
@@ -670,6 +676,9 @@ func (f *Fpdf) AddPageFormat(orientationStr string, size SizeType) {
 	if f.err != nil {
 		return
 	}
+	if f.page != len(f.pages)-1 {
+		f.page = len(f.pages)-1
+	}
 	if f.state == 0 {
 		f.open()
 	}
@@ -684,6 +693,7 @@ func (f *Fpdf) AddPageFormat(orientationStr string, size SizeType) {
 	fc := f.color.fill
 	tc := f.color.text
 	cf := f.colorFlag
+	
 	if f.page > 0 {
 		f.inFooter = true
 		// Page footer avoid double call on footer.
diff --git a/fpdf_test.go b/fpdf_test.go
index d84de54..7d862fa 100644
--- a/fpdf_test.go
+++ b/fpdf_test.go
@@ -32,8 +32,8 @@ import (
 	"time"
 
 	"github.com/jung-kurt/gofpdf"
-	"github.com/jung-kurt/gofpdf/internal/example"
-	"github.com/jung-kurt/gofpdf/internal/files"
+	"../gofpdf/internal/example"
+	"../gofpdf/internal/files"
 )
 
 func init() {
@@ -2381,4 +2381,4 @@ func ExampleFpdf_SubWrite() {
 	example.Summary(err, fileStr)
 	// Output:
 	// Successfully generated pdf/Fpdf_SubWrite.pdf
-}
+}
\ No newline at end of file
diff --git a/ttfparser_test.go b/ttfparser_test.go
index 3286db2..5aaf244 100644
--- a/ttfparser_test.go
+++ b/ttfparser_test.go
@@ -21,7 +21,7 @@ import (
 	"fmt"
 
 	"github.com/jung-kurt/gofpdf"
-	"github.com/jung-kurt/gofpdf/internal/example"
+	"../gofpdf/internal/example"
 )
 
 func ExampleTtfParse() {
-- 
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