ebiten/ebitenutil/loadimage.go

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// 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.
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// +build darwin freebsd linux windows
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// +build !android
// +build !ios
package ebitenutil
import (
"image"
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"github.com/hajimehoshi/ebiten"
)
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// NewImageFromFile loads the file with path and returns ebiten.Image and image.Image.
//
// Image decoders must be imported when using NewImageFromFile. For example,
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// if you want to load a PNG image, you'd need to add `_ "image/png"` to the import section.
//
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// How to solve path depends on your environment. This varies on your desktop or web browser.
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// Note that this doesn't work on mobiles.
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//
// For productions, instead of using NewImageFromFile, it is safer to embed your resources, e.g., with github.com/rakyll/statik .
func NewImageFromFile(path string, filter ebiten.Filter) (*ebiten.Image, image.Image, error) {
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file, err := OpenFile(path)
if err != nil {
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return nil, nil, err
}
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defer func() {
_ = file.Close()
}()
img, _, err := image.Decode(file)
if err != nil {
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return nil, nil, err
}
img2, err := ebiten.NewImageFromImage(img, filter)
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if err != nil {
return nil, nil, err
}
return img2, img, err
}