GetCursorImage returns image structure.

This commit is contained in:
Miroslav Šedivý
2021-02-25 14:03:57 +01:00
parent dc29f71b0c
commit 8f142e4b91
3 changed files with 24 additions and 28 deletions

View File

@ -3,34 +3,14 @@ package utils
import (
"bytes"
"encoding/base64"
"image"
"image/color"
"image/png"
"demodesk/neko/internal/types"
)
func GetCursorImage(cursor *types.CursorImage) ([]byte, error) {
width := int(cursor.Width)
height := int(cursor.Height)
pixels := cursor.Pixels
img := image.NewRGBA(image.Rect(0, 0, width, height))
for row := 0; row < height; row++ {
for col := 0; col < width; col++ {
pos := ((row * height) + col) * 8
img.SetRGBA(col, row, color.RGBA{
A: pixels[pos+3],
R: pixels[pos+2],
G: pixels[pos+1],
B: pixels[pos+0],
})
}
}
out := new(bytes.Buffer)
err := png.Encode(out, img)
err := png.Encode(out, cursor.Image)
if err != nil {
return nil, err
}