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v0.1.1 true color extracted to a standalone package, lut256 lazy build

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lixen
2026-07-15 07:53:38 -04:00
parent aa22225c61
commit 9853ac0270
33 changed files with 480 additions and 745 deletions
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tui/border.go
+15 -13
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@@ -1,6 +1,7 @@
package tui
import (
"github.com/lixenwraith/color"
"github.com/lixenwraith/terminal"
)
@@ -36,7 +37,7 @@ const (
// --- Box Rendering ---
// Box draws border around region edge
func (r Region) Box(line LineType, fg terminal.RGB) {
func (r Region) Box(line LineType, fg color.RGB) {
if r.W < 2 || r.H < 2 {
return
}
@@ -45,7 +46,7 @@ func (r Region) Box(line LineType, fg terminal.RGB) {
}
chars := boxChars[line]
bg := terminal.RGB{} // Transparent (use existing bg)
bg := color.RGB{} // Transparent (use existing bg)
// Corners
r.Cell(0, 0, chars[boxTL], fg, bg, terminal.AttrNone)
@@ -67,7 +68,7 @@ func (r Region) Box(line LineType, fg terminal.RGB) {
}
// BoxFilled draws border and fills interior with background
func (r Region) BoxFilled(line LineType, fg, bg terminal.RGB) {
func (r Region) BoxFilled(line LineType, fg, bg color.RGB) {
// Fill interior first
for y := 1; y < r.H-1; y++ {
for x := 1; x < r.W-1; x++ {
@@ -81,7 +82,7 @@ func (r Region) BoxFilled(line LineType, fg, bg terminal.RGB) {
// --- Line rendering ---
// HLine draws horizontal line across region width at row y
func (r Region) HLine(y int, line LineType, fg terminal.RGB) {
func (r Region) HLine(y int, line LineType, fg color.RGB) {
if y < 0 || y >= r.H {
return
}
@@ -90,12 +91,12 @@ func (r Region) HLine(y int, line LineType, fg terminal.RGB) {
}
ch := boxChars[line][boxH]
for x := 0; x < r.W; x++ {
r.Cell(x, y, ch, fg, terminal.RGB{}, terminal.AttrNone)
r.Cell(x, y, ch, fg, color.RGB{}, terminal.AttrNone)
}
}
// VLine draws vertical line across region height at column x
func (r Region) VLine(x int, line LineType, fg terminal.RGB) {
func (r Region) VLine(x int, line LineType, fg color.RGB) {
if x < 0 || x >= r.W {
return
}
@@ -104,12 +105,12 @@ func (r Region) VLine(x int, line LineType, fg terminal.RGB) {
}
ch := boxChars[line][boxV]
for y := 0; y < r.H; y++ {
r.Cell(x, y, ch, fg, terminal.RGB{}, terminal.AttrNone)
r.Cell(x, y, ch, fg, color.RGB{}, terminal.AttrNone)
}
}
// Divider draws horizontal line with optional centered label
func (r Region) Divider(y int, label string, line LineType, fg terminal.RGB) {
func (r Region) Divider(y int, label string, line LineType, fg color.RGB) {
if y < 0 || y >= r.H {
return
}
@@ -121,7 +122,7 @@ func (r Region) Divider(y int, label string, line LineType, fg terminal.RGB) {
// Fill with horizontal line
for x := 0; x < r.W; x++ {
r.Cell(x, y, hChar, fg, terminal.RGB{}, terminal.AttrNone)
r.Cell(x, y, hChar, fg, color.RGB{}, terminal.AttrNone)
}
// Center label if provided
@@ -134,7 +135,7 @@ func (r Region) Divider(y int, label string, line LineType, fg terminal.RGB) {
}
startX := (r.W - textLen) / 2
for i, ch := range text {
r.Cell(startX+i, y, ch, fg, terminal.RGB{}, terminal.AttrBold)
r.Cell(startX+i, y, ch, fg, color.RGB{}, terminal.AttrBold)
}
}
}
@@ -142,7 +143,7 @@ func (r Region) Divider(y int, label string, line LineType, fg terminal.RGB) {
// --- Card rendering ---
// Card draws titled border and returns inner content region
func (r Region) Card(title string, line LineType, fg terminal.RGB) Region {
func (r Region) Card(title string, line LineType, fg color.RGB) Region {
r.Box(line, fg)
if title != "" && r.W > 4 {
@@ -152,8 +153,9 @@ func (r Region) Card(title string, line LineType, fg terminal.RGB) Region {
displayTitle = Truncate(displayTitle, maxTitleLen)
}
titleX := (r.W - RuneLen(displayTitle) - 2) / 2
r.Text(titleX, 0, " "+displayTitle+" ", fg, terminal.RGB{}, terminal.AttrBold)
r.Text(titleX, 0, " "+displayTitle+" ", fg, color.RGB{}, terminal.AttrBold)
}
return r.Inset(1)
}
}