ebitenutil: bug fix: NewImageFromReader was not available on mobiles

Closes #2301
This commit is contained in:
Hajime Hoshi 2022-09-03 20:27:29 +09:00
parent 40052f6e35
commit ba19f06ede
2 changed files with 39 additions and 39 deletions

View File

@ -12,38 +12,16 @@
// See the License for the specific language governing permissions and // See the License for the specific language governing permissions and
// limitations under the License. // limitations under the License.
//go:build !android && !ios
// +build !android,!ios
package ebitenutil package ebitenutil
import ( import (
"image" "image"
"io" "io"
"net/http"
"github.com/hajimehoshi/ebiten/v2" "github.com/hajimehoshi/ebiten/v2"
) )
// NewImageFromFile loads the file with path and returns ebiten.Image and image.Image.
//
// Image decoders must be imported when using NewImageFromFile. For example,
// if you want to load a PNG image, you'd need to add `_ "image/png"` to the import section.
//
// How to solve path depends on your environment. This varies on your desktop or web browser.
// Note that this doesn't work on mobiles.
//
// For productions, instead of using NewImageFromFile, it is safer to embed your resources with go:embed.
func NewImageFromFile(path string) (*ebiten.Image, image.Image, error) {
file, err := OpenFile(path)
if err != nil {
return nil, nil, err
}
defer func() {
_ = file.Close()
}()
return NewImageFromReader(file)
}
// NewImageFromReader loads from the io.Reader and returns ebiten.Image and image.Image. // NewImageFromReader loads from the io.Reader and returns ebiten.Image and image.Image.
// //
// Image decoders must be imported when using NewImageFromReader. For example, // Image decoders must be imported when using NewImageFromReader. For example,
@ -56,3 +34,23 @@ func NewImageFromReader(reader io.Reader) (*ebiten.Image, image.Image, error) {
img2 := ebiten.NewImageFromImage(img) img2 := ebiten.NewImageFromImage(img)
return img2, img, err 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 res.Body.Close()
img, _, err := image.Decode(res.Body)
if err != nil {
return nil, err
}
eimg := ebiten.NewImageFromImage(img)
return eimg, nil
}

View File

@ -1,4 +1,4 @@
// Copyright 2018 The Ebiten Authors // Copyright 2022 The Ebitengine Authors
// //
// Licensed under the Apache License, Version 2.0 (the "License"); // Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. // you may not use this file except in compliance with the License.
@ -12,31 +12,33 @@
// See the License for the specific language governing permissions and // See the License for the specific language governing permissions and
// limitations under the License. // limitations under the License.
//go:build !android && !ios
// +build !android,!ios
package ebitenutil package ebitenutil
import ( import (
"image" "image"
"net/http"
"github.com/hajimehoshi/ebiten/v2" "github.com/hajimehoshi/ebiten/v2"
) )
// NewImageFromURL creates a new ebiten.Image from the given URL. // NewImageFromFile loads the file with path and returns ebiten.Image and image.Image.
// //
// Image decoders must be imported when using NewImageFromURL. For example, // Image decoders must be imported when using NewImageFromFile. For example,
// if you want to load a PNG image, you'd need to add `_ "image/png"` to the import section. // 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) // How to solve path depends on your environment. This varies on your desktop or web browser.
// Note that this doesn't work on mobiles.
//
// For productions, instead of using NewImageFromFile, it is safer to embed your resources with go:embed.
func NewImageFromFile(path string) (*ebiten.Image, image.Image, error) {
file, err := OpenFile(path)
if err != nil { if err != nil {
return nil, err return nil, nil, err
} }
defer res.Body.Close() defer func() {
_ = file.Close()
img, _, err := image.Decode(res.Body) }()
if err != nil { return NewImageFromReader(file)
return nil, err
}
eimg := ebiten.NewImageFromImage(img)
return eimg, nil
} }