diff options
| -rw-r--r-- | fpdf.go | 49 | ||||
| -rw-r--r-- | fpdf_test.go | 13 |
2 files changed, 62 insertions, 0 deletions
@@ -1103,6 +1103,55 @@ func (f *Fpdf) Rect(x, y, w, h float64, styleStr string) { f.outf("%.2f %.2f %.2f %.2f re %s", x*f.k, (f.h-y)*f.k, w*f.k, -h*f.k, fillDrawOp(styleStr)) } +// RoundedRect outputs a rectangle of width w and height h with the upper left +// corner positioned at point (x, y). It can be drawn (border only), filled +// (with no border) or both. styleStr can be "F" for filled, "D" for outlined +// only, or "DF" or "FD" for outlined and filled. An empty string will be replaced +// with "D". Drawing uses the current draw color and line width centered on the +// rectangle's perimeter. Filling uses the current fill color. The rounded corners +// of the rectangle are specified by radius r. corners runs clockwise with 1 at the +// top left corner. +func (f *Fpdf) RoundedRect(x, y, w, h, r float64, corners string, stylestr string) { + k := f.k + hp := f.h + myArc := (4.0 / 3.0) * (math.Sqrt2 - 1.0) + f.outf("q %.5f %.5f m", (x+r)*k, (hp-y)*k) + xc := x + w - r + yc := y + r + f.outf("%.5f %.5f l", xc*k, (hp-y)*k) + if strings.Contains(corners, "2") == false { + f.outf("%.5f %.5f l", (x+w)*k, (hp-y)*k) + } else { + f.clipArc(xc+r*myArc, yc-r, xc+r, yc-r*myArc, xc+r, yc) + } + xc = x + w - r + yc = y + h - r + f.outf("%.5f %.5f l", (x+w)*k, (hp-yc)*k) + if strings.Contains(corners, "3") == false { + f.outf("%.5f %.5f l", (x+w)*k, (hp-(y + h))*k) + } else { + f.clipArc(xc+r, yc+r*myArc, xc+r*myArc, yc+r, xc, yc+r) + } + xc = x + r + yc = y + h - r + f.outf("%.5f %.5f l", xc*k, (hp-(y+h))*k) + if strings.Contains(corners, "4") == false { + f.outf("%.5f %.5f l", x*k, (hp-(y+h))*k) + } else { + f.clipArc(xc-r*myArc, yc+r, xc-r, yc+r*myArc, xc-r, yc) + } + xc = x + r + yc = y + r + f.outf("%.5f %.5f l", x*k, (hp-yc)*k) + if strings.Contains(corners, "1") == false { + f.outf("%.5f %.5f l", x*k, (hp-y)*k) + f.outf("%.5f %.5f l", (x+r)*k, (hp-y)*k) + } else { + f.clipArc(xc-r, yc-r*myArc, xc-r*myArc, yc-r, xc, yc-r) + f.outf(" re %s", fillDrawOp(stylestr)) + } +} + // Circle draws a circle centered on point (x, y) with radius r. // // styleStr can be "F" for filled, "D" for outlined only, or "DF" or "FD" for diff --git a/fpdf_test.go b/fpdf_test.go index 63c28c5..08814e0 100644 --- a/fpdf_test.go +++ b/fpdf_test.go @@ -2639,3 +2639,16 @@ func ExampleUTF8CutFont() { // Output: // Successfully generated pdf/Fpdf_UTF8CutFont.pdf } + +func ExampleFpdf_RoundedRect() { + pdf := gofpdf.New("P", "mm", "A4", "") + pdf.AddPage() + pdf.SetFillColor(160, 160, 160) + pdf.SetLineWidth(0.5) + pdf.RoundedRect(70, 30, 68, 46, 20, "1234", "FD") + fileStr := example.Filename("Fpdf_RoundedRect") + err := pdf.OutputFileAndClose(fileStr) + example.Summary(err, fileStr) + // Output: + // Successfully generated pdf/Fpdf_RoundedRect.pdf +} |