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- // Copyright 2023 The Ebitengine Authors
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- package text_test
- import (
- "bytes"
- "testing"
- "github.com/hajimehoshi/bitmapfont/v3"
- "golang.org/x/image/font/gofont/goregular"
- "github.com/hajimehoshi/ebiten/v2"
- "github.com/hajimehoshi/ebiten/v2/text/v2"
- )
- func TestMultiFace(t *testing.T) {
- faces := []text.Face{text.NewGoXFace(bitmapfont.Face)}
- f, err := text.NewMultiFace(faces...)
- if err != nil {
- t.Fatal(err)
- }
- img := ebiten.NewImage(30, 30)
- text.Draw(img, "Hello", f, nil)
- // Confirm that the given slice doesn't cause crash.
- faces[0] = nil
- text.Draw(img, "World", f, nil)
- }
- func TestMultiFaceFallback(t *testing.T) {
- enFaceSource, err := text.NewGoTextFaceSource(bytes.NewReader(goregular.TTF))
- if err != nil {
- t.Fatal(err)
- }
- enFace := &text.GoTextFace{
- Source: enFaceSource,
- Size: 10,
- }
- multiFace, err := text.NewMultiFace(enFace)
- if err != nil {
- t.Fatal(err)
- }
- // If all the faces in a MultiFace doesn't have a glyph, the last face should be used.
- str := "あ"
- got := text.AppendGlyphs(nil, str, multiFace, nil)
- want := text.AppendGlyphs(nil, str, enFace, nil)
- if len(got) != len(want) {
- t.Errorf("got: %d, want: %d", len(got), len(want))
- }
- }
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