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[util] Set ansi color only on color change

This commit is contained in:
Behdad Esfahbod 2012-05-13 13:02:38 +02:00
parent 912c5ff80a
commit db0de7cd61
1 changed files with 23 additions and 5 deletions
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28
util/ansi-print.cc
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@ -45,7 +45,6 @@
#endif
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define CELL_W 8
#define CELL_H (2 * CELL_W)
@ -392,20 +391,39 @@ ansi_print_image_rgb24 (const uint32_t *data,
unsigned int cols = (width + CELL_W - 1) / CELL_W;
image_t cell (CELL_W, CELL_H);
biimage_t bi (CELL_W, CELL_H);
unsigned int last_bg = -1, last_fg = -1;
for (unsigned int row = 0; row < rows; row++) {
for (unsigned int col = 0; col < cols; col++) {
image.copy_sub_image (cell, col * CELL_W, row * CELL_H, CELL_W, CELL_H);
bi.set (cell);
if (bi.unicolor)
printf ("\e[%dm ", 40 + bi.bg);
else {
if (bi.unicolor) {
if (last_bg != bi.bg) {
printf ("\e[%dm", 40 + bi.bg);
last_bg = bi.bg;
}
printf (" ");
} else {
/* Figure out the closest character to the biimage */
unsigned int score = (unsigned int) -1;
bool inverse;
const char *c = block_best (bi, &score, &inverse);
printf ("\e[%d;%dm%s", (inverse ? 30 : 40) + bi.bg, (inverse ? 40 : 30) + bi.fg, c);
if (inverse) {
if (last_bg != bi.fg || last_fg != bi.bg) {
printf ("\e[%d;%dm", 30 + bi.bg, 40 + bi.fg);
last_bg = bi.fg;
last_fg = bi.bg;
}
} else {
if (last_bg != bi.bg || last_fg != bi.fg) {
printf ("\e[%d;%dm", 40 + bi.bg, 30 + bi.fg);
last_bg = bi.bg;
last_fg = bi.fg;
}
}
printf ("%s", c);
}
}
printf ("\e[0m\n"); /* Reset */
last_bg = last_fg = -1;
}
}