53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
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package internal
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import (
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"github.com/eliukblau/pixterm/ansimage"
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"github.com/qpliu/qrencode-go/qrencode"
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)
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func ConvertGridToANSImage(grid *qrencode.BitGrid) (s string, err error) {
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// HACK - ansimage has an image offset bug which hides the first two rows
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img, err := ansimage.New(2+2+((grid.Height()+1)/2)*2, 2+grid.Width())
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if err != nil {
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return
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}
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// white borders
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for x := 0; x < 1+grid.Width()+1; x++ {
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err = img.SetAt(2, x, 255, 255, 255)
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if err != nil {
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return
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}
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err = img.SetAt(2+grid.Height()+1, x, 255, 255, 255)
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if err != nil {
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return
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}
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}
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for y := 1; y < grid.Height()+3; y++ {
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err = img.SetAt(y, 0, 255, 255, 255)
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if err != nil {
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return
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}
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err = img.SetAt(y, grid.Width()+1, 255, 255, 255)
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if err != nil {
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return
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}
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}
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for y := 0; y < grid.Height(); y++ {
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for x := 0; x < grid.Width(); x++ {
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val := uint8(0)
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if !grid.Get(x, y) {
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val = 255
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}
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// HACK - ansimage has an image offset bug which hides the first two rows
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err = img.SetAt(y+3, x+1, val, val, val)
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if err != nil {
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return
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}
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}
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}
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s = img.Render()
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return
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}
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