Brush some lint off using github.com/golang/lint. This includes one breaking change: WriteLinkID instead of WriteLinkId.

1 files changed, 56 insertions, 53 deletions

diff --git a/fpdftrans.go b/fpdftrans.go
index 86d9de8..b87d9b9 100644
--- a/fpdftrans.go
+++ b/fpdftrans.go
@@ -8,17 +8,18 @@ import (
 // Routines in this file are translated from the work of Moritz Wagner and
 // Andreas Würmser.
 
-// The matrix used for generalized transformations of text, drawings and images.
+// TransformMatrix is used for generalized transformations of text, drawings
+// and images.
 type TransformMatrix struct {
 	A, B, C, D, E, F float64
 }
 
-// Set up a transformation context for subsequent text, drawings and images.
-// The typical usage is to immediately follow a call to this method with a call
-// to one or more of the transformation methods such as TransformScale(),
-// TransformSkew(), etc. This is followed by text, drawing or image output and
-// finally a call to TransformEnd(). All transformation contexts must be
-// properly ended prior to outputting the document.
+// TransformBegin sets up a transformation context for subsequent text,
+// drawings and images. The typical usage is to immediately follow a call to
+// this method with a call to one or more of the transformation methods such as
+// TransformScale(), TransformSkew(), etc. This is followed by text, drawing or
+// image output and finally a call to TransformEnd(). All transformation
+// contexts must be properly ended prior to outputting the document.
 //
 // See tutorial 17 for transformation examples.
 func (f *Fpdf) TransformBegin() {
@@ -26,31 +27,32 @@ func (f *Fpdf) TransformBegin() {
 	f.out("q")
 }
 
-// Scale the width of the following text, drawings and images. scaleWd is the
-// percentage scaling factor. (x, y) is center of scaling.
+// TransformScaleX scales the width of the following text, drawings and images.
+// scaleWd is the percentage scaling factor. (x, y) is center of scaling.
 func (f *Fpdf) TransformScaleX(scaleWd, x, y float64) {
 	f.TransformScale(scaleWd, 100, x, y)
 }
 
-// Scale the height of the following text, drawings and images. scaleHt is the
-// percentage scaling factor. (x, y) is center of scaling.
+// TransformScaleY scales the height of the following text, drawings and
+// images. scaleHt is the percentage scaling factor. (x, y) is center of
+// scaling.
 func (f *Fpdf) TransformScaleY(scaleHt, x, y float64) {
 	f.TransformScale(100, scaleHt, x, y)
 }
 
-// Uniformly scale the width and height of the following text, drawings and
-// images. s is the percentage scaling factor for both width and height. (x, y)
-// is center of scaling.
+// TransformScaleXY uniformly scales the width and height of the following
+// text, drawings and images. s is the percentage scaling factor for both width
+// and height. (x, y) is center of scaling.
 func (f *Fpdf) TransformScaleXY(s, x, y float64) {
 	f.TransformScale(s, s, x, y)
 }
 
-// Generally scale the following text, drawings and images. scaleWd and scaleHt
-// are the percentage scaling factors for width and height. (x, y) is center of
-// scaling.
+// TransformScale generally scales the following text, drawings and images.
+// scaleWd and scaleHt are the percentage scaling factors for width and height.
+// (x, y) is center of scaling.
 func (f *Fpdf) TransformScale(scaleWd, scaleHt, x, y float64) {
 	if scaleWd == 0 || scaleHt == 0 {
-		f.err = fmt.Errorf("Scale factor cannot be zero")
+		f.err = fmt.Errorf("scale factor cannot be zero")
 		return
 	}
 	y = (f.h - y) * f.k
@@ -61,53 +63,54 @@ func (f *Fpdf) TransformScale(scaleWd, scaleHt, x, y float64) {
 		scaleHt, x * (1 - scaleWd), y * (1 - scaleHt)})
 }
 
-// Horizontally mirror the following text, drawings and images. x is the axis
-// of reflection.
+// TransformMirrorHorizontal horizontally mirrors the following text, drawings
+// and images. x is the axis of reflection.
 func (f *Fpdf) TransformMirrorHorizontal(x float64) {
 	f.TransformScale(-100, 100, x, f.y)
 }
 
-// Vertically mirror the following text, drawings and images. y is the axis
-// of reflection.
+// TransformMirrorVertical vertically mirrors the following text, drawings and
+// images. y is the axis of reflection.
 func (f *Fpdf) TransformMirrorVertical(y float64) {
 	f.TransformScale(100, -100, f.x, y)
 }
 
-// Symmetrically mirror the following text, drawings and images on the point
-// specified by (x, y).
+// TransformMirrorPoint symmetrically mirrors the following text, drawings and
+// images on the point specified by (x, y).
 func (f *Fpdf) TransformMirrorPoint(x, y float64) {
 	f.TransformScale(-100, -100, x, y)
 }
 
-// Symmetrically mirror the following text, drawings and images on the line
-// defined by angle and the point (x, y). angles is specified in degrees and
-// measured counter-clockwise from the 3 o'clock position.
+// TransformMirrorLine symmetrically mirrors the following text, drawings and
+// images on the line defined by angle and the point (x, y). angles is
+// specified in degrees and measured counter-clockwise from the 3 o'clock
+// position.
 func (f *Fpdf) TransformMirrorLine(angle, x, y float64) {
 	f.TransformScale(-100, 100, x, y)
 	f.TransformRotate(-2*(angle-90), x, y)
 }
 
-// Move the following text, drawings and images horizontally by the amount
-// specified by tx.
+// TransformTranslateX moves the following text, drawings and images
+// horizontally by the amount specified by tx.
 func (f *Fpdf) TransformTranslateX(tx float64) {
 	f.TransformTranslate(tx, 0)
 }
 
-// Move the following text, drawings and images vertically by the amount
-// specified by ty.
+// TransformTranslateY moves the following text, drawings and images vertically
+// by the amount specified by ty.
 func (f *Fpdf) TransformTranslateY(ty float64) {
 	f.TransformTranslate(0, ty)
 }
 
-// Move the following text, drawings and images horizontally and vertically by
-// the amounts specified by tx and ty.
+// TransformTranslate moves the following text, drawings and images
+// horizontally and vertically by the amounts specified by tx and ty.
 func (f *Fpdf) TransformTranslate(tx, ty float64) {
 	f.Transform(TransformMatrix{1, 0, 0, 1, tx * f.k, -ty * f.k})
 }
 
-// Rotate the following text, drawings and images around the center point (x,
-// y). angle is specified in degrees and measured counter-clockwise from the 3
-// o'clock position.
+// TransformRotate rotates the following text, drawings and images around the
+// center point (x, y). angle is specified in degrees and measured
+// counter-clockwise from the 3 o'clock position.
 func (f *Fpdf) TransformRotate(angle, x, y float64) {
 	y = (f.h - y) * f.k
 	x *= f.k
@@ -122,27 +125,27 @@ func (f *Fpdf) TransformRotate(angle, x, y float64) {
 	f.Transform(tm)
 }
 
-// Horizontally skew the following text, drawings and images keeping the point
-// (x, y) stationary. angleX ranges from -90 degrees (skew to the left) to 90
-// degrees (skew to the right).
+// TransformSkewX horizontally skews the following text, drawings and images
+// keeping the point (x, y) stationary. angleX ranges from -90 degrees (skew to
+// the left) to 90 degrees (skew to the right).
 func (f *Fpdf) TransformSkewX(angleX, x, y float64) {
 	f.TransformSkew(angleX, 0, x, y)
 }
 
-// Vertically skew the following text, drawings and images keeping the point
-// (x, y) stationary. angleY ranges from -90 degrees (skew to the bottom) to 90
-// degrees (skew to the top).
+// TransformSkewY vertically skews the following text, drawings and images
+// keeping the point (x, y) stationary. angleY ranges from -90 degrees (skew to
+// the bottom) to 90 degrees (skew to the top).
 func (f *Fpdf) TransformSkewY(angleY, x, y float64) {
 	f.TransformSkew(0, angleY, x, y)
 }
 
-// Generally skew the following text, drawings and images keeping the point (x,
-// y) stationary. angleX ranges from -90 degrees (skew to the left) to 90
-// degrees (skew to the right). angleY ranges from -90 degrees (skew to the
-// bottom) to 90 degrees (skew to the top).
+// TransformSkew generally skews the following text, drawings and images
+// keeping the point (x, y) stationary. angleX ranges from -90 degrees (skew to
+// the left) to 90 degrees (skew to the right). angleY ranges from -90 degrees
+// (skew to the bottom) to 90 degrees (skew to the top).
 func (f *Fpdf) TransformSkew(angleX, angleY, x, y float64) {
 	if angleX <= -90 || angleX >= 90 || angleY <= -90 || angleY >= 90 {
-		f.err = fmt.Errorf("Skew values must be between -90° and 90°")
+		f.err = fmt.Errorf("skew values must be between -90° and 90°")
 		return
 	}
 	x *= f.k
@@ -157,24 +160,24 @@ func (f *Fpdf) TransformSkew(angleX, angleY, x, y float64) {
 	f.Transform(tm)
 }
 
-// Generally transform the following text, drawings and images according to the
-// specified matrix. It is typically easier to use the various methods such as
-// TransformRotate() and TransformMirrorVertical() instead.
+// Transform generally transforms the following text, drawings and images
+// according to the specified matrix. It is typically easier to use the various
+// methods such as TransformRotate() and TransformMirrorVertical() instead.
 func (f *Fpdf) Transform(tm TransformMatrix) {
 	if f.transformNest > 0 {
 		f.outf("%.5f %.5f %.5f %.5f %.5f %.5f cm",
 			tm.A, tm.B, tm.C, tm.D, tm.E, tm.F)
 	} else if f.err == nil {
-		f.err = fmt.Errorf("Transformation context is not active")
+		f.err = fmt.Errorf("transformation context is not active")
 	}
 }
 
-// Apply a transformation that was begun with a call to TransformBegin().
+// TransformEnd applies a transformation that was begun with a call to TransformBegin().
 func (f *Fpdf) TransformEnd() {
 	if f.transformNest > 0 {
 		f.transformNest--
 		f.out("Q")
 	} else {
-		f.err = fmt.Errorf("Error attempting to end transformation operation out of sequence")
+		f.err = fmt.Errorf("error attempting to end transformation operation out of sequence")
 	}
 }