75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
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/*
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* Copyright (c) 2013-2015 Kurt Jung (Gmail: kurt.w.jung)
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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package gofpdf_test
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import (
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"bytes"
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"fmt"
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"github.com/jung-kurt/gofpdf"
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"github.com/jung-kurt/gofpdf/internal/example"
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)
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func ExampleTtfParse() {
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ttf, err := gofpdf.TtfParse(example.FontDir() + "/calligra.ttf")
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if err == nil {
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fmt.Printf("Postscript name: %s\n", ttf.PostScriptName)
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fmt.Printf("unitsPerEm: %8d\n", ttf.UnitsPerEm)
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fmt.Printf("Xmin: %8d\n", ttf.Xmin)
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fmt.Printf("Ymin: %8d\n", ttf.Ymin)
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fmt.Printf("Xmax: %8d\n", ttf.Xmax)
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fmt.Printf("Ymax: %8d\n", ttf.Ymax)
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} else {
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fmt.Printf("%s\n", err)
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}
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// Output:
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// Postscript name: CalligrapherRegular
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// unitsPerEm: 1000
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// Xmin: -173
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// Ymin: -234
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// Xmax: 1328
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// Ymax: 899
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}
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func hexStr(s string) string {
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var b bytes.Buffer
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b.WriteString("\"")
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for _, ch := range []byte(s) {
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b.WriteString(fmt.Sprintf("\\x%02x", ch))
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}
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b.WriteString("\":")
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return b.String()
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}
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func ExampleFpdf_GetStringWidth() {
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pdf := gofpdf.New("", "", "", example.FontDir())
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pdf.SetFont("Helvetica", "", 12)
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pdf.AddPage()
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for _, s := range []string{"Hello", "世界", "\xe7a va?"} {
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fmt.Printf("%-32s width %5.2f, bytes %2d, runes %2d\n",
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hexStr(s), pdf.GetStringWidth(s), len(s), len([]rune(s)))
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if pdf.Err() {
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fmt.Println(pdf.Error())
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}
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}
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pdf.Close()
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// Output:
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// "\x48\x65\x6c\x6c\x6f": width 9.64, bytes 5, runes 5
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// "\xe4\xb8\x96\xe7\x95\x8c": width 13.95, bytes 6, runes 2
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// "\xe7\x61\x20\x76\x61\x3f": width 12.47, bytes 6, runes 6
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}
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