I look forward to your kind cooperation.
Currently, I would like to use GO language to extract pixel intensity from PNG images, but there is a problem, so I would like to ask you a question.
Here's the code:
package main
import(
"bytes"
"io/ioutil"
"fmt"
"image/color"
"image/png"
)
import "github.com/harrydb/go/img/grayscale"
funcmain(){
FName_BG: = "test.background.png";
data_BG,_ —=ioutil.ReadFile(FName_BG)
img_BG,_ —=png.Decode (bytes.NewReader(data_BG))
grayImg_BG: = grayscale.Convert(img_BG, grayscale.ToGrayLuminance)
MaxRowSize, MaxColSize: = img_BG.Bounds().Max.Y, img_BG.Bounds().Max.X;
fory —=0;y<MaxRowSize;y++{
for x: = 0; x <MaxColSize; x++ {
c1_bg:=grayImg_BG.At(x,y).(color.Gray);
fmt.Println(c1_bg)
}
}
}
In the code above, we are trying to convert the PNG image to Grayscale and get pixel intensity.
The problem is that the one shown in fmt.Println(c1_bg) is
{255}
{255}
{255}
{255}
As shown in , it is displayed in color gray.I just want this to be an integer.
(Specifically, I just want to look like {255}->255.)
If anyone knows, please let me know.
Thank you for your cooperation.
go
The Definition in color.Gray is as follows, so
typeGray structure{
Youint8
}
If you just want an integer value, you can go to Y.
fmt.Println(c.Y)
(Sample code on Go Playground
)
© 2024 OneMinuteCode. All rights reserved.