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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,35 +1,36 @@ | ||
| package terminal | ||
|
|
||
| import ( | ||
| "image/color" | ||
| "os" | ||
| "syscall" | ||
| "unsafe" | ||
| ) | ||
|
|
||
| const defaultRatio float64 = 7.0 / 3.0 // The terminal's default cursor width/height ratio | ||
|
|
||
| func terminalSize() (int, int, float64) { | ||
| var size [4]uint16 | ||
| if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, | ||
| uintptr(os.Stdout.Fd()), uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(&size)), | ||
| 0, 0, 0); err != 0 { | ||
| panic(err) | ||
| } | ||
| rows, cols, width, height := size[0], size[1], size[2], size[3] | ||
|
|
||
| whratio := defaultRatio | ||
| if width > 0 && height > 0 { | ||
| whratio = float64(height/rows) / float64(width/cols) | ||
| } | ||
|
|
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| return int(cols), int(rows), whratio | ||
| } | ||
|
|
||
| func terminalColor(rgb color.RGBA) uint16 { | ||
| r := (((rgb.R * 5) + 127) / 255) * 36 | ||
| g := (((rgb.G * 5) + 127) / 255) * 6 | ||
| b := ((rgb.B * 5) + 127) / 255 | ||
|
|
||
| return uint16(r+g+b) + 16 + 1 // termbox default color offset | ||
| } | ||
| // | ||
| //import ( | ||
| // "image/color" | ||
| // "os" | ||
| // "syscall" | ||
| // "unsafe" | ||
| //) | ||
| // | ||
| //const defaultRatio float64 = 7.0 / 3.0 // The terminal's default cursor width/height ratio | ||
| // | ||
| //func terminalSize() (int, int, float64) { | ||
| // var size [4]uint16 | ||
| // if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, | ||
| // uintptr(os.Stdout.Fd()), uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(&size)), | ||
| // 0, 0, 0); err != 0 { | ||
| // panic(err) | ||
| // } | ||
| // rows, cols, width, height := size[0], size[1], size[2], size[3] | ||
| // | ||
| // whratio := defaultRatio | ||
| // if width > 0 && height > 0 { | ||
| // whratio = float64(height/rows) / float64(width/cols) | ||
| // } | ||
| // | ||
| // return int(cols), int(rows), whratio | ||
| //} | ||
| // | ||
| //func terminalColor(rgb color.RGBA) uint16 { | ||
| // r := (((rgb.R * 5) + 127) / 255) * 36 | ||
| // g := (((rgb.G * 5) + 127) / 255) * 6 | ||
| // b := ((rgb.B * 5) + 127) / 255 | ||
| // | ||
| // return uint16(r+g+b) + 16 + 1 // termbox default color offset | ||
| //} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,40 +1,41 @@ | ||
| package terminal | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "image/color" | ||
| ) | ||
|
|
||
| var ( | ||
| White = color.RGBA{R: 255, G: 255, B: 255, A: 255} | ||
| Black = color.RGBA{A: 255} | ||
| ) | ||
|
|
||
| // hexToRGBA convert hex string into color.RGBA | ||
| func hexToRGBA(s string) color.RGBA { | ||
| c := color.RGBA{ | ||
| R: 0, | ||
| G: 0, | ||
| B: 0, | ||
| A: 0xff, | ||
| } | ||
|
|
||
| var err error | ||
| switch len(s) { | ||
| case 7: | ||
| _, err = fmt.Sscanf(s, "#%02x%02x%02x", &c.R, &c.G, &c.B) | ||
| case 4: | ||
| _, err = fmt.Sscanf(s, "#%1x%1x%1x", &c.R, &c.G, &c.B) | ||
| // Double the hex digits: | ||
| c.R *= 17 | ||
| c.G *= 17 | ||
| c.B *= 17 | ||
| default: | ||
| err = fmt.Errorf("invalid length, must be 7 or 4") | ||
| } | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
|
||
| return c | ||
| } | ||
| // | ||
| //import ( | ||
| // "fmt" | ||
| // "image/color" | ||
| //) | ||
| // | ||
| //var ( | ||
| // White = color.RGBA{R: 255, G: 255, B: 255, A: 255} | ||
| // Black = color.RGBA{A: 255} | ||
| //) | ||
| // | ||
| //// hexToRGBA convert hex string into color.RGBA | ||
| //func hexToRGBA(s string) color.RGBA { | ||
| // c := color.RGBA{ | ||
| // R: 0, | ||
| // G: 0, | ||
| // B: 0, | ||
| // A: 0xff, | ||
| // } | ||
| // | ||
| // var err error | ||
| // switch len(s) { | ||
| // case 7: | ||
| // _, err = fmt.Sscanf(s, "#%02x%02x%02x", &c.R, &c.G, &c.B) | ||
| // case 4: | ||
| // _, err = fmt.Sscanf(s, "#%1x%1x%1x", &c.R, &c.G, &c.B) | ||
| // // Double the hex digits: | ||
| // c.R *= 17 | ||
| // c.G *= 17 | ||
| // c.B *= 17 | ||
| // default: | ||
| // err = fmt.Errorf("invalid length, must be 7 or 4") | ||
| // } | ||
| // if err != nil { | ||
| // panic(err) | ||
| // } | ||
| // | ||
| // return c | ||
| //} |
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