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- // +build windows
- package winterm
- import "github.com/Azure/go-ansiterm"
- const (
- FOREGROUND_COLOR_MASK = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE
- BACKGROUND_COLOR_MASK = BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE
- )
- // collectAnsiIntoWindowsAttributes modifies the passed Windows text mode flags to reflect the
- // request represented by the passed ANSI mode.
- func collectAnsiIntoWindowsAttributes(windowsMode uint16, inverted bool, baseMode uint16, ansiMode int16) (uint16, bool) {
- switch ansiMode {
- // Mode styles
- case ansiterm.ANSI_SGR_BOLD:
- windowsMode = windowsMode | FOREGROUND_INTENSITY
- case ansiterm.ANSI_SGR_DIM, ansiterm.ANSI_SGR_BOLD_DIM_OFF:
- windowsMode &^= FOREGROUND_INTENSITY
- case ansiterm.ANSI_SGR_UNDERLINE:
- windowsMode = windowsMode | COMMON_LVB_UNDERSCORE
- case ansiterm.ANSI_SGR_REVERSE:
- inverted = true
- case ansiterm.ANSI_SGR_REVERSE_OFF:
- inverted = false
- case ansiterm.ANSI_SGR_UNDERLINE_OFF:
- windowsMode &^= COMMON_LVB_UNDERSCORE
- // Foreground colors
- case ansiterm.ANSI_SGR_FOREGROUND_DEFAULT:
- windowsMode = (windowsMode &^ FOREGROUND_MASK) | (baseMode & FOREGROUND_MASK)
- case ansiterm.ANSI_SGR_FOREGROUND_BLACK:
- windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK)
- case ansiterm.ANSI_SGR_FOREGROUND_RED:
- windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_RED
- case ansiterm.ANSI_SGR_FOREGROUND_GREEN:
- windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_GREEN
- case ansiterm.ANSI_SGR_FOREGROUND_YELLOW:
- windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_RED | FOREGROUND_GREEN
- case ansiterm.ANSI_SGR_FOREGROUND_BLUE:
- windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_BLUE
- case ansiterm.ANSI_SGR_FOREGROUND_MAGENTA:
- windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_RED | FOREGROUND_BLUE
- case ansiterm.ANSI_SGR_FOREGROUND_CYAN:
- windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_GREEN | FOREGROUND_BLUE
- case ansiterm.ANSI_SGR_FOREGROUND_WHITE:
- windowsMode = (windowsMode &^ FOREGROUND_COLOR_MASK) | FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE
- // Background colors
- case ansiterm.ANSI_SGR_BACKGROUND_DEFAULT:
- // Black with no intensity
- windowsMode = (windowsMode &^ BACKGROUND_MASK) | (baseMode & BACKGROUND_MASK)
- case ansiterm.ANSI_SGR_BACKGROUND_BLACK:
- windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK)
- case ansiterm.ANSI_SGR_BACKGROUND_RED:
- windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_RED
- case ansiterm.ANSI_SGR_BACKGROUND_GREEN:
- windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_GREEN
- case ansiterm.ANSI_SGR_BACKGROUND_YELLOW:
- windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_RED | BACKGROUND_GREEN
- case ansiterm.ANSI_SGR_BACKGROUND_BLUE:
- windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_BLUE
- case ansiterm.ANSI_SGR_BACKGROUND_MAGENTA:
- windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_RED | BACKGROUND_BLUE
- case ansiterm.ANSI_SGR_BACKGROUND_CYAN:
- windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_GREEN | BACKGROUND_BLUE
- case ansiterm.ANSI_SGR_BACKGROUND_WHITE:
- windowsMode = (windowsMode &^ BACKGROUND_COLOR_MASK) | BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE
- }
- return windowsMode, inverted
- }
- // invertAttributes inverts the foreground and background colors of a Windows attributes value
- func invertAttributes(windowsMode uint16) uint16 {
- return (COMMON_LVB_MASK & windowsMode) | ((FOREGROUND_MASK & windowsMode) << 4) | ((BACKGROUND_MASK & windowsMode) >> 4)
- }
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