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internal/affine: Add String

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This commit is contained in:
Hajime Hoshi 2021-07-26 14:26:59 +09:00
parent 18757cff16
commit e84506dfc3
2 changed files with 11 additions and 8 deletions
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9
colorm.go
View File

@ -15,8 +15,6 @@
package ebiten package ebiten
import ( import (
"fmt"
"image/color" "image/color"
"github.com/hajimehoshi/ebiten/v2/internal/affine" "github.com/hajimehoshi/ebiten/v2/internal/affine"
@ -41,12 +39,7 @@ type ColorM struct {
// String returns a string representation of ColorM. // String returns a string representation of ColorM.
func (c *ColorM) String() string { func (c *ColorM) String() string {
b, t := c.impl.UnsafeElements() return c.impl.String()
return fmt.Sprintf("[[%f, %f, %f, %f, %f], [%f, %f, %f, %f, %f], [%f, %f, %f, %f, %f], [%f, %f, %f, %f, %f]]",
b[0], b[4], b[8], b[12], t[0],
b[1], b[5], b[9], b[13], t[1],
b[2], b[6], b[10], b[14], t[2],
b[3], b[7], b[11], b[15], t[3])
} }
// Reset resets the ColorM as identity. // Reset resets the ColorM as identity.

10
internal/affine/colorm.go
View File

@ -15,6 +15,7 @@
package affine package affine
import ( import (
"fmt"
"image/color" "image/color"
"math" "math"
"sync" "sync"
@ -50,6 +51,15 @@ type ColorM struct {
translate []float32 translate []float32
} }
func (c *ColorM) String() string {
b, t := c.UnsafeElements()
return fmt.Sprintf("[[%f, %f, %f, %f, %f], [%f, %f, %f, %f, %f], [%f, %f, %f, %f, %f], [%f, %f, %f, %f, %f]]",
b[0], b[4], b[8], b[12], t[0],
b[1], b[5], b[9], b[13], t[1],
b[2], b[6], b[10], b[14], t[2],
b[3], b[7], b[11], b[15], t[3])
}
func clamp(x float32) float32 { func clamp(x float32) float32 {
if x > 1 { if x > 1 {
return 1 return 1