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[plain] Decode 256 colors sequences

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This commit is contained in:
Witold Filipczyk 2021-08-06 14:32:32 +02:00
parent b33e6cf520
commit 418e74a51b
1 changed files with 41 additions and 3 deletions
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44
src/document/plain/renderer.c
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@ -245,11 +245,13 @@ decode_esc_color(char *text, int *line_pos, int width,
struct color_pair color;
char *buf, *tail, *begin, *end;
int k, foreground, background, f1, b1; /* , intensity; */
int foreground256, background256;
int was_background = 0;
int was_foreground = 0;
int was_24 = 0;
int was_256 = 0;
unsigned char back_red = 0, back_green = 0, back_blue = 0;
unsigned char fore_red = 0, fore_green = 0, fore_blue = 0;
@ -281,7 +283,13 @@ decode_esc_color(char *text, int *line_pos, int width,
set_term_color(&ch, &color, 0, COLOR_MODE_16);
b1 = background = (ch.c.color[0] >> 4) & 7;
f1 = foreground = ch.c.color[0] & 15;
#ifdef CONFIG_256_COLORS
set_term_color(&ch, &color, 0, COLOR_MODE_256);
foreground256 = ch.c.color[0];
background256 = ch.c.color[1];
#endif
while (tail < end) {
unsigned char kod = (unsigned char)strtol(begin, &tail, 10);
@ -294,6 +302,12 @@ decode_esc_color(char *text, int *line_pos, int width,
was_background = 2;
continue;
}
#ifdef CONFIG_256_COLORS
if (kod == 5) {
was_background = 5;
continue;
}
#endif
was_background = 0;
continue;
case 2:
@ -309,6 +323,11 @@ decode_esc_color(char *text, int *line_pos, int width,
was_background = 0;
was_24 = 1;
continue;
case 5:
background256 = kod;
was_background = 0;
was_256 = 1;
continue;
default:
was_background = 0;
continue;
@ -322,6 +341,12 @@ decode_esc_color(char *text, int *line_pos, int width,
was_foreground = 2;
continue;
}
#ifdef CONFIG_256_COLORS
if (kod == 5) {
was_foreground = 5;
continue;
}
#endif
was_foreground = 0;
continue;
case 2:
@ -337,6 +362,11 @@ decode_esc_color(char *text, int *line_pos, int width,
was_foreground = 0;
was_24 = 1;
continue;
case 5:
foreground256 = kod;
was_foreground = 0;
was_256 = 1;
continue;
default:
was_foreground = 0;
continue;
@ -397,8 +427,16 @@ decode_esc_color(char *text, int *line_pos, int width,
break;
}
}
color.background = get_term_color16(background);
color.foreground = get_term_color16(foreground);
#ifdef CONFIG_256_COLORS
if (was_256) {
color.background = get_term_color256(background256);
color.foreground = get_term_color256(foreground256);
} else
#endif
{
color.background = get_term_color16(background);
color.foreground = get_term_color16(foreground);
}
if (was_24) {
color.background = (back_red << 16) | (back_green << 8) | back_blue;
color.foreground = (fore_red << 16) | (fore_green << 8) | fore_blue;