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This commit is contained in:
蒋海成 2025-02-24 19:00:41 +08:00
parent 1cc163587f
commit a1e5989c5e
1 changed files with 0 additions and 13 deletions
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13
pkg/logic/upload.go
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@ -48,19 +48,6 @@ func ReadOrientation(filename string) (direct int, err error) {
return
}
// 旋转90度
func Rotate90(m image.Image) image.Image {
rotate90 := image.NewRGBA(image.Rect(0, 0, m.Bounds().Dy(), m.Bounds().Dx()))
// 矩阵旋转
for x := m.Bounds().Min.Y; x < m.Bounds().Max.Y; x++ {
for y := m.Bounds().Max.X - 1; y >= m.Bounds().Min.X; y-- {
// 设置像素点
rotate90.Set(m.Bounds().Max.Y-x, y, m.At(y, x))
}
}
return rotate90
}
// 旋转90度
func rotate90(m image.Image) image.Image {
rotate90 := image.NewRGBA(image.Rect(0, 0, m.Bounds().Dy(), m.Bounds().Dx()))