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add palette vga, mimicking linux VT #38

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merged 1 commit into from
Dec 22, 2023
Merged

add palette vga, mimicking linux VT #38

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35 changes: 31 additions & 4 deletions src/tsm/tsm-vte.c
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Original file line number Diff line number Diff line change
Expand Up @@ -197,7 +197,7 @@ struct tsm_vte {
unsigned int alt_cursor_y;
};

static uint8_t color_palette[TSM_COLOR_NUM][3] = {
static uint8_t color_palette_legacy[TSM_COLOR_NUM][3] = {
[TSM_COLOR_BLACK] = { 0, 0, 0 }, /* black */
[TSM_COLOR_RED] = { 205, 0, 0 }, /* red */
[TSM_COLOR_GREEN] = { 0, 205, 0 }, /* green */
Expand All @@ -219,6 +219,29 @@ static uint8_t color_palette[TSM_COLOR_NUM][3] = {
[TSM_COLOR_BACKGROUND] = { 0, 0, 0 }, /* black */
};

// vga palette from https://en.wikipedia.org/wiki/ANSI_escape_code
static uint8_t color_palette_vga[TSM_COLOR_NUM][3] = {
[TSM_COLOR_BLACK] = { 0, 0, 0 }, /* black */
[TSM_COLOR_RED] = { 170, 0, 0 }, /* red */
[TSM_COLOR_GREEN] = { 0, 170, 0 }, /* green */
[TSM_COLOR_YELLOW] = { 170, 85, 0 }, /* yellow */
[TSM_COLOR_BLUE] = { 0, 0, 170 }, /* blue */
[TSM_COLOR_MAGENTA] = { 170, 0, 170 }, /* magenta */
[TSM_COLOR_CYAN] = { 0, 170, 170 }, /* cyan */
[TSM_COLOR_LIGHT_GREY] = { 170, 170, 170 }, /* light grey */
[TSM_COLOR_DARK_GREY] = { 85, 85, 85 }, /* dark grey */
[TSM_COLOR_LIGHT_RED] = { 255, 85, 85 }, /* light red */
[TSM_COLOR_LIGHT_GREEN] = { 85, 255, 85 }, /* light green */
[TSM_COLOR_LIGHT_YELLOW] = { 255, 255, 85 }, /* light yellow */
[TSM_COLOR_LIGHT_BLUE] = { 85, 85, 255 }, /* light blue */
[TSM_COLOR_LIGHT_MAGENTA] = { 255, 85, 255 }, /* light magenta */
[TSM_COLOR_LIGHT_CYAN] = { 85, 255, 255 }, /* light cyan */
[TSM_COLOR_WHITE] = { 255, 255, 255 }, /* white */

[TSM_COLOR_FOREGROUND] = { 170, 170, 170 }, /* light grey */
[TSM_COLOR_BACKGROUND] = { 0, 0, 0 }, /* black */
};

static uint8_t color_palette_solarized[TSM_COLOR_NUM][3] = {
[TSM_COLOR_BLACK] = { 7, 54, 66 }, /* black */
[TSM_COLOR_RED] = { 220, 50, 47 }, /* red */
Expand Down Expand Up @@ -354,7 +377,7 @@ static uint8_t color_palette_base16_light[TSM_COLOR_NUM][3] = {
static uint8_t (*get_palette(struct tsm_vte *vte))[3]
{
if (!vte->palette_name)
return color_palette;
return color_palette_legacy;

if (!strcmp(vte->palette_name, "custom") && vte->custom_palette_storage)
return vte->custom_palette_storage;
Expand All @@ -370,8 +393,12 @@ static uint8_t (*get_palette(struct tsm_vte *vte))[3]
return color_palette_base16_dark;
if (!strcmp(vte->palette_name, "base16-light"))
return color_palette_base16_light;
if (!strcmp(vte->palette_name, "vga"))
return color_palette_vga;
if (!strcmp(vte->palette_name, "legacy"))
return color_palette_legacy;

return color_palette;
return color_palette_legacy;
}

/* Several effects may occur when non-RGB colors are used. For instance, if bold
Expand Down Expand Up @@ -562,7 +589,7 @@ int tsm_vte_set_palette(struct tsm_vte *vte, const char *palette_name)
SHL_EXPORT
int tsm_vte_set_custom_palette(struct tsm_vte *vte, uint8_t (*palette)[3])
{
const size_t palette_byte_size = sizeof(color_palette);
const size_t palette_byte_size = sizeof(color_palette_legacy);
uint8_t (*tmp)[3] = NULL;

if (!vte)
Expand Down