ebiten/ebitenutil/loadimage.go

59 lines
1.7 KiB
Go
Raw Normal View History

// Copyright 2014 Hajime Hoshi
//
// 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 ebitenutil
import (
"image"
"io"
"net/http"
2016-03-06 17:29:12 +01:00
2020-10-03 19:35:13 +02:00
"github.com/hajimehoshi/ebiten/v2"
)
// NewImageFromReader loads from the io.Reader and returns ebiten.Image and image.Image.
//
// Image decoders must be imported when using NewImageFromReader. For example,
// if you want to load a PNG image, you'd need to add `_ "image/png"` to the import section.
func NewImageFromReader(reader io.Reader) (*ebiten.Image, image.Image, error) {
img, _, err := image.Decode(reader)
if err != nil {
2014-12-17 13:49:28 +01:00
return nil, nil, err
}
img2 := ebiten.NewImageFromImage(img)
return img2, img, err
}
// NewImageFromURL creates a new ebiten.Image from the given URL.
//
// Image decoders must be imported when using NewImageFromURL. For example,
// if you want to load a PNG image, you'd need to add `_ "image/png"` to the import section.
func NewImageFromURL(url string) (*ebiten.Image, error) {
res, err := http.Get(url)
if err != nil {
return nil, err
}
defer func() {
_ = res.Body.Close()
}()
img, _, err := image.Decode(res.Body)
if err != nil {
return nil, err
}
eimg := ebiten.NewImageFromImage(img)
return eimg, nil
}