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// Copyright 2015 The Freetype-Go Authors. All rights reserved.
// Use of this source code is governed by your choice of either the
// FreeType License or the GNU General Public License version 2 (or
// any later version), both of which can be found in the LICENSE file.
package truetype
import (
"image"
"image/draw"
"io/ioutil"
"strings"
"testing"
"golang.org/x/image/font"
"golang.org/x/image/math/fixed"
)
func BenchmarkDrawString(b *testing.B) {
data, err := ioutil.ReadFile("../licenses/gpl.txt")
if err != nil {
b.Fatal(err)
}
lines := strings.Split(string(data), "\n")
data, err = ioutil.ReadFile("../testdata/luxisr.ttf")
if err != nil {
b.Fatal(err)
}
f, err := Parse(data)
if err != nil {
b.Fatal(err)
}
dst := image.NewRGBA(image.Rect(0, 0, 800, 600))
draw.Draw(dst, dst.Bounds(), image.White, image.ZP, draw.Src)
d := &font.Drawer{
Dst: dst,
Src: image.Black,
Face: NewFace(f, nil),
}
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
for j, line := range lines {
d.Dot = fixed.P(0, (j*16)%600)
d.DrawString(line)
}
}
}
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