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cleanup again

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This commit is contained in:
wsw 2016-11-21 14:57:15 +08:00
parent 298fbeaa77
commit 8da875f641
1 changed files with 1 additions and 16 deletions
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17
examples/pattern-fill.go
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@ -1,27 +1,12 @@
package main package main
import ( import "github.com/fogleman/gg"
"fmt"
"math"
"github.com/fogleman/gg"
)
func main() { func main() {
im, err := gg.LoadPNG("examples/lenna.png") im, err := gg.LoadPNG("examples/lenna.png")
if err != nil { if err != nil {
panic(err) panic(err)
} }
var x0, y0, x1, y1 float64 = 5, 5, 15, 15
a := math.Atan2(y1-y0, x1-x0)
d := a * 180 / math.Pi
fmt.Println(a, d)
a = (2*math.Pi - a)
d = a * 180 / math.Pi
fmt.Println(a, d)
m := gg.Translate(-x0, -y0).Rotate(a)
tx, ty := m.TransformPoint(5, 5)
fmt.Println(tx, ty)
pattern := gg.NewSurfacePattern(im, gg.RepeatBoth) pattern := gg.NewSurfacePattern(im, gg.RepeatBoth)
dc := gg.NewContext(600, 600) dc := gg.NewContext(600, 600)
dc.MoveTo(20, 20) dc.MoveTo(20, 20)