diff options
Diffstat (limited to 'fpdf.go')
| -rw-r--r-- | fpdf.go | 82 |
1 files changed, 49 insertions, 33 deletions
@@ -87,7 +87,7 @@ func New(orientationStr, unitStr, sizeStr, fontDirStr string) (f *Fpdf) { f.diffs = make([]string, 0, 8) f.images = make(map[string]imageInfoType) f.pageLinks = make([][]linkType, 0, 8) - f.pageLinks = append(f.pageLinks, make([]linkType, 0, 0)) //pageLinks[0] is unused (1-based) + f.pageLinks = append(f.pageLinks, make([]linkType, 0, 0)) // pageLinks[0] is unused (1-based) f.links = make([]intLinkType, 0, 8) f.links = append(f.links, intLinkType{}) // links[0] is unused (1-based) f.inHeader = false @@ -962,30 +962,34 @@ func (f *Fpdf) setClipActive() bool { // Begins a rectangular clipping operation. The rectangle is of width w and // height h. Its upper left corner is positioned at point (x, y). outline is // true to draw a border with the current draw color and line width centered on -// the rectangle's perimeter. After calling this method, all rendering -// operations (for example, Image(), LinearGradient(), etc) will be clipped by -// the specified rectangle. Call ClipEnd() to restore unclipped operations. - +// the rectangle's perimeter. Only the outer half of the border will be shown. +// After calling this method, all rendering operations (for example, Image(), +// LinearGradient(), etc) will be clipped by the specified rectangle. Call +// ClipEnd() to restore unclipped operations. +// +// See tutorial 14 for an example of this function. func (f *Fpdf) ClipRect(x, y, w, h float64, outline bool) { if !f.setClipActive() { return } - f.outf("q %.2f %.2f %.2f %.2f re W %s", x*f.k, (f.h-y)*f.k, w*f.k, -h*f.k, StrIf(outline, "S", "n")) + f.outf("q %.2f %.2f %.2f %.2f re W %s", x*f.k, (f.h-y)*f.k, w*f.k, -h*f.k, strIf(outline, "S", "n")) } // Begins a clipping operation in which rendering is confined to the character // string specified by txtStr. The origin (x, y) is on the left of the first // character at the baseline. The current font is used. outline is true to draw // a border with the current draw color and line width centered on the -// perimeters of the text characters. After calling this method, all rendering -// operations (for example, Image(), LinearGradient(), etc) will be clipped. -// Call ClipEnd() to restore unclipped operations. - +// perimeters of the text characters. Only the outer half of the border will be +// shown. After calling this method, all rendering operations (for example, +// Image(), LinearGradient(), etc) will be clipped. Call ClipEnd() to restore +// unclipped operations. +// +// See tutorial 14 for an example of this function. func (f *Fpdf) ClipText(x, y float64, txtStr string, outline bool) { if !f.setClipActive() { return } - f.outf("q BT %.2f %.2f Td %d Tr (%s) Tj ET", x*f.k, (f.h-y)*f.k, IntIf(outline, 5, 7), f.escape(txtStr)) + f.outf("q BT %.2f %.2f Td %d Tr (%s) Tj ET", x*f.k, (f.h-y)*f.k, intIf(outline, 5, 7), f.escape(txtStr)) } func (f *Fpdf) clipArc(x1, y1, x2, y2, x3, y3 float64) { @@ -998,10 +1002,12 @@ func (f *Fpdf) clipArc(x1, y1, x2, y2, x3, y3 float64) { // height h. Its upper left corner is positioned at point (x, y). The rounded // corners of the rectangle are specified by radius r. outline is true to draw // a border with the current draw color and line width centered on the -// rectangle's perimeter. After calling this method, all rendering operations -// (for example, Image(), LinearGradient(), etc) will be clipped by the -// specified rectangle. Call ClipEnd() to restore unclipped operations. - +// rectangle's perimeter. Only the outer half of the border will be shown. +// After calling this method, all rendering operations (for example, Image(), +// LinearGradient(), etc) will be clipped by the specified rectangle. Call +// ClipEnd() to restore unclipped operations. +// +// See tutorial 14 for an example of this function. func (f *Fpdf) ClipRoundedRect(x, y, w, h, r float64, outline bool) { if !f.setClipActive() { return @@ -1026,16 +1032,18 @@ func (f *Fpdf) ClipRoundedRect(x, y, w, h, r float64, outline bool) { yc = y + r f.outf("%.2f %.2f l", x*k, (hp-yc)*k) f.clipArc(xc-r, yc-r*myArc, xc-r*myArc, yc-r, xc, yc-r) - f.outf(" W %s", StrIf(outline, "S", "n")) + f.outf(" W %s", strIf(outline, "S", "n")) } // Begins an elliptical clipping operation. The ellipse is centered at (x, y). // Its horizontal and vertical radii are specified by rx and ry. outline is // true to draw a border with the current draw color and line width centered on -// the ellipse's perimeter. After calling this method, all rendering operations -// (for example, Image(), LinearGradient(), etc) will be clipped by the -// specified ellipse. Call ClipEnd() to restore unclipped operations. - +// the ellipse's perimeter. Only the outer half of the border will be shown. +// After calling this method, all rendering operations (for example, Image(), +// LinearGradient(), etc) will be clipped by the specified ellipse. Call +// ClipEnd() to restore unclipped operations. +// +// See tutorial 14 for an example of this function. func (f *Fpdf) ClipEllipse(x, y, rx, ry float64, outline bool) { if !f.setClipActive() { return @@ -1061,16 +1069,17 @@ func (f *Fpdf) ClipEllipse(x, y, rx, ry float64, outline bool) { (x+lx)*k, (h-(y+ry))*k, (x+rx)*k, (h-(y+ly))*k, (x+rx)*k, (h-y)*k, - StrIf(outline, "S", "n")) + strIf(outline, "S", "n")) } // Begins a circular clipping operation. The circle is centered at (x, y) and // has radius r. outline is true to draw a border with the current draw color -// and line width centered on the circle's perimeter. After calling this -// method, all rendering operations (for example, Image(), LinearGradient(), -// etc) will be clipped by the specified circle. Call ClipEnd() to restore -// unclipped operations. - +// and line width centered on the circle's perimeter. Only the outer half of +// the border will be shown. After calling this method, all rendering +// operations (for example, Image(), LinearGradient(), etc) will be clipped by +// the specified circle. Call ClipEnd() to restore unclipped operations. +// +// See tutorial 14 for an example of this function. func (f *Fpdf) ClipCircle(x, y, r float64, outline bool) { f.ClipEllipse(x, y, r, r, outline) } @@ -1080,10 +1089,12 @@ func (f *Fpdf) ClipCircle(x, y, r float64, outline bool) { // the units established in New(). The last point in the slice will be // implicitly joined to the first to close the polygon. outline is true to draw // a border with the current draw color and line width centered on the -// polygon's perimeter. After calling this method, all rendering operations -// (for example, Image(), LinearGradient(), etc) will be clipped by the -// specified polygon. Call ClipEnd() to restore unclipped operations. - +// polygon's perimeter. Only the outer half of the border will be shown. After +// calling this method, all rendering operations (for example, Image(), +// LinearGradient(), etc) will be clipped by the specified polygon. Call +// ClipEnd() to restore unclipped operations. +// +// See tutorial 14 for an example of this function. func (f *Fpdf) ClipPolygon(points []pointType, outline bool) { if !f.setClipActive() { return @@ -1093,9 +1104,9 @@ func (f *Fpdf) ClipPolygon(points []pointType, outline bool) { k := f.k s.printf("q ") for j, pt := range points { - s.printf("%.2f %.2f %s ", pt.x*k, (h-pt.y)*k, StrIf(j == 0, "m", "l")) + s.printf("%.2f %.2f %s ", pt.x*k, (h-pt.y)*k, strIf(j == 0, "m", "l")) } - s.printf("h W %s", StrIf(outline, "S", "n")) + s.printf("h W %s", strIf(outline, "S", "n")) f.out(s.String()) } @@ -1103,7 +1114,8 @@ func (f *Fpdf) ClipPolygon(points []pointType, outline bool) { // ClipRoundedRect(), ClipText(), ClipEllipse(), ClipCircle() or ClipPolygon(). // Only one clipping operation can be active at a time, and the document cannot // be successfully output while a clipping operation is active. - +// +// See tutorial 14 for an example of this function. func (f *Fpdf) ClipEnd() { if f.err == nil { if f.clipActive { @@ -1953,6 +1965,10 @@ func (f *Fpdf) Output(w io.Writer) error { if err != nil { f.err = err } + dump("pdf.txt", f.stdpageSizes, + f.defPageSize, + f.curPageSize, + f.pageSizes) return f.err } |