milarin/gg
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

LoadImage

Browse Source
This commit is contained in:
Michael Fogleman 2016-02-25 15:06:04 -05:00
parent 64d88fe46a
commit 9d56681560
3 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
README.md
View File

@ -167,6 +167,7 @@ Sometimes you just don't want to write these yourself.
```go ```go
Radians(degrees float64) float64 Radians(degrees float64) float64
Degrees(radians float64) float64 Degrees(radians float64) float64
LoadImage(path string) (image.Image, error)
LoadPNG(path string) (image.Image, error) LoadPNG(path string) (image.Image, error)
SavePNG(path string, im image.Image) error SavePNG(path string, im image.Image) error
``` ```

2
examples/ellipse.go
View File

@ -13,7 +13,7 @@ func main() {
dc.Fill() dc.Fill()
dc.Pop() dc.Pop()
} }
if im, err := gg.LoadPNG("examples/gopher.png"); err == nil { if im, err := gg.LoadImage("examples/gopher.png"); err == nil {
dc.DrawImageAnchored(im, S/2, S/2, 0.5, 0.5) dc.DrawImageAnchored(im, S/2, S/2, 0.5, 0.5)
} }
dc.SavePNG("out.png") dc.SavePNG("out.png")

10
util.go
View File

@ -24,6 +24,16 @@ func Degrees(radians float64) float64 {
return radians * 180 / math.Pi return radians * 180 / math.Pi
} }
func LoadImage(path string) (image.Image, error) {
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
im, _, err := image.Decode(file)
return im, err
}
func LoadPNG(path string) (image.Image, error) { func LoadPNG(path string) (image.Image, error) {
file, err := os.Open(path) file, err := os.Open(path)
if err != nil { if err != nil {