forked from toolshed/abra
56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
package ansi
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// SelectCharacterSet sets the G-set character designator to the specified
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// character set.
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//
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// ESC Ps Pd
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//
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// Where Ps is the G-set character designator, and Pd is the identifier.
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// For 94-character sets, the designator can be one of:
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// - ( G0
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// - ) G1
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// - * G2
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// - + G3
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//
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// For 96-character sets, the designator can be one of:
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// - - G1
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// - . G2
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// - / G3
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//
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// Some common 94-character sets are:
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// - 0 DEC Special Drawing Set
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// - A United Kingdom (UK)
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// - B United States (USASCII)
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//
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// Examples:
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//
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// ESC ( B Select character set G0 = United States (USASCII)
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// ESC ( 0 Select character set G0 = Special Character and Line Drawing Set
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// ESC ) 0 Select character set G1 = Special Character and Line Drawing Set
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// ESC * A Select character set G2 = United Kingdom (UK)
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//
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// See: https://vt100.net/docs/vt510-rm/SCS.html
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func SelectCharacterSet(gset byte, charset byte) string {
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return "\x1b" + string(gset) + string(charset)
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}
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// SCS is an alias for SelectCharacterSet.
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func SCS(gset byte, charset byte) string {
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return SelectCharacterSet(gset, charset)
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}
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// LS1R (Locking Shift 1 Right) shifts G1 into GR character set.
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const LS1R = "\x1b~"
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// LS2 (Locking Shift 2) shifts G2 into GL character set.
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const LS2 = "\x1bn"
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// LS2R (Locking Shift 2 Right) shifts G2 into GR character set.
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const LS2R = "\x1b}"
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// LS3 (Locking Shift 3) shifts G3 into GL character set.
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const LS3 = "\x1bo"
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// LS3R (Locking Shift 3 Right) shifts G3 into GR character set.
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const LS3R = "\x1b|"
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