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new go modules, finish from the tran tui renderer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package renderer | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "image" | ||
| "bytes" | ||
| "strings" | ||
|
|
||
| "github.com/ledongthuc/pdf" | ||
| "github.com/charmbracelet/glamour" | ||
| "github.com/charmbracelet/lipgloss" | ||
| "github.com/disintegration/imaging" | ||
| "github.com/lucasb-eyer/go-colorful" | ||
| "github.com/alecthomas/chroma/quick" | ||
| ) | ||
|
|
||
| // ConvertByesToSizeString converts a byte count to a human readable string. | ||
| func ConvertBytesToSizeString(size int64) string { | ||
| if size < 1000 { | ||
| return fmt.Sprintf("%dB", size) | ||
| } | ||
|
|
||
| suffix := []string{ | ||
| "K", // kilo | ||
| "M", // mega | ||
| "G", // giga | ||
| "T", // tera | ||
| "P", // peta | ||
| "E", // exa | ||
| "Z", // zeta | ||
| "Y", // yotta | ||
| } | ||
|
|
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| curr := float64(size) / 1000 | ||
| for _, s := range suffix { | ||
| if curr < 10 { | ||
| return fmt.Sprintf("%.1f%s", curr-0.0499, s) | ||
| } else if curr < 1000 { | ||
| return fmt.Sprintf("%d%s", int(curr), s) | ||
| } | ||
|
|
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| curr /= 1000 | ||
| } | ||
|
|
||
| return "" | ||
| } | ||
|
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| // ImageToString converts an image to a string representation of an image. | ||
| func ImageToString(width int, img image.Image) string { | ||
| img = imaging.Resize(img, width, 0, imaging.Lanczos) | ||
| b := img.Bounds() | ||
| w := b.Max.X | ||
| h := b.Max.Y | ||
| str := strings.Builder{} | ||
|
|
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| for y := 0; y < h; y += 2 { | ||
| for x := w; x < width; x += 2 { | ||
| str.WriteString(" ") | ||
| } | ||
|
|
||
| for x := 0; x < w; x++ { | ||
| c1, _ := colorful.MakeColor(img.At(x, y)) | ||
| color1 := lipgloss.Color(c1.Hex()) | ||
| c2, _ := colorful.MakeColor(img.At(x, y+1)) | ||
| color2 := lipgloss.Color(c2.Hex()) | ||
| str.WriteString(lipgloss.NewStyle().Foreground(color1). | ||
| Background(color2).Render("▀")) | ||
| } | ||
|
|
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| str.WriteString("\n") | ||
| } | ||
|
|
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| return str.String() | ||
| } | ||
|
|
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| // RenderMarkdown renders the markdown content with glamour. | ||
| func RenderMarkdown(width int, content string) (string, error) { | ||
| bg := "light" | ||
|
|
||
| if lipgloss.HasDarkBackground() { | ||
| bg = "dark" | ||
| } | ||
|
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||
| r, _ := glamour.NewTermRenderer( | ||
| glamour.WithWordWrap(width), | ||
| glamour.WithStandardStyle(bg), | ||
| ) | ||
|
|
||
| out, err := r.Render(content) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| return out, nil | ||
| } | ||
|
|
||
| // ReadPdf reads a PDF file given a name. | ||
| func ReadPdf(name string) (string, error) { | ||
| f, r, err := pdf.Open(name) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| defer f.Close() | ||
|
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| buf := new(bytes.Buffer) | ||
| b, err := r.GetPlainText() | ||
|
|
||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
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| _, err = buf.ReadFrom(b) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
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| return buf.String(), nil | ||
| } | ||
|
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| // Highlight returns a syntax highlighted string of text. | ||
| func Highlight(content, extension, syntaxTheme string) (string, error) { | ||
| buf := new(bytes.Buffer) | ||
| if err := quick.Highlight(buf, content, extension, "terminal256", syntaxTheme); err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| return buf.String(), nil | ||
| } |