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Assume 16 colors mean VGA palette

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I can't see any other reason for telling moar to use 16 colors than if
your hardware actually can't do more. And that means VGA.
This commit is contained in:
Johan Walles 2024-10-05 08:12:47 +02:00
parent c42ac5f66c
commit 3a4c54ed5e
2 changed files with 17 additions and 17 deletions
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30
twin/palette256.go
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@ -25,24 +25,24 @@ func color256ToRGB(color256 uint8) (r, g, b uint8) {
return r, g, b
}
// Source, the 256 colors table from here:
// Source, the VGA color palette from here:
// https://en.wikipedia.org/wiki/ANSI_escape_code#3-bit_and_4-bit
var standardAnsiColors = [16][3]uint8{
{0x00, 0x00, 0x00}, // Black
{0x80, 0x00, 0x00}, // Red
{0x00, 0x80, 0x00}, // Green
{0x80, 0x80, 0x00}, // Yellow
{0x00, 0x00, 0x80}, // Blue
{0x80, 0x00, 0x80}, // Magenta
{0x00, 0x80, 0x80}, // Cyan
{0x80, 0x80, 0x80}, // White
{0xAA, 0x00, 0x00}, // Red
{0x00, 0xAA, 0x00}, // Green
{0xAA, 0x55, 0x00}, // Yellow
{0x00, 0x00, 0xAA}, // Blue
{0xAA, 0x00, 0xAA}, // Magenta
{0x00, 0xAA, 0xAA}, // Cyan
{0xAA, 0xAA, 0xAA}, // White
{0x80, 0x80, 0x80}, // Bright Black
{0xff, 0x00, 0x00}, // Bright Red
{0x00, 0xff, 0x00}, // Bright Green
{0xff, 0xff, 0x00}, // Bright Yellow
{0x00, 0x00, 0xff}, // Bright Blue
{0xff, 0x00, 0xff}, // Bright Magenta
{0x00, 0xff, 0xff}, // Bright Cyan
{0x55, 0x55, 0x55}, // Bright Black
{0xff, 0x55, 0x55}, // Bright Red
{0x55, 0xff, 0x55}, // Bright Green
{0xff, 0xff, 0x55}, // Bright Yellow
{0x55, 0x55, 0xff}, // Bright Blue
{0xff, 0x55, 0xff}, // Bright Magenta
{0x55, 0xff, 0xff}, // Bright Cyan
{0xff, 0xff, 0xff}, // Bright White
}

4
twin/palette256_test.go
View File

@ -9,9 +9,9 @@ import (
func TestColorRgbFirst16(t *testing.T) {
r, g, b := color256ToRGB(5)
assert.Equal(t, r, uint8(0x80))
assert.Equal(t, r, uint8(0xaa))
assert.Equal(t, g, uint8(0x00))
assert.Equal(t, b, uint8(0x80))
assert.Equal(t, b, uint8(0xaa))
}
func TestColorToRgbInTheGrey(t *testing.T) {