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term: Support bright colours

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This commit is contained in:
mintsuki 2021-07-31 23:51:48 +02:00
parent 07dc81bbee
commit 0dde09bbb9
9 changed files with 127 additions and 38 deletions
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2
CONFIG.md
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@ -62,6 +62,8 @@ Some keys take *URIs* as values; these are described in the next section.
* `THEME_COLORS` - Alias of `THEME_COLOURS`.
* `THEME_BACKGROUND` - Alias of the background value in `THEME_COLOURS`.
* `THEME_FOREGROUND` - Alias of the foreground value in `THEME_COLOURS`.
* `THEME_BRIGHT_COLOURS` - Specifies the bright colour palette used by the terminal (XXRRGGBB). It is a `;` separated array of 8 bright colours: dark gray, bright red, bright green, yellow, bright blue, bright magenta, bright cyan, and white respectively. Alpha transparency values are ignored. Ignored if `GRAPHICS` is not `yes`.
* `THEME_BRIGHT_COLORS` - Alias of `THEME_BRIGHT_COLOURS`.
* `THEME_MARGIN` - Set the amount of margin around the terminal. Ignored if `GRAPHICS` is not `yes`.
* `THEME_MARGIN_GRADIENT` - Set the thickness in pixel for the gradient around the terminal. Ignored if `GRAPHICS` is not `yes`.
* `BACKGROUND_PATH` - URI where to find the background .BMP file. Ignored if `GRAPHICS` is not `yes`.

2
stage23/drivers/vga_textmode.h
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@ -13,6 +13,8 @@ void text_set_cursor_pos(int x, int y);
void text_get_cursor_pos(int *x, int *y);
void text_set_text_fg(int fg);
void text_set_text_bg(int bg);
void text_set_text_fg_default(void);
void text_set_text_bg_default(void);
bool text_scroll_disable(void);
void text_scroll_enable(void);
void text_move_character(int new_x, int new_y, int old_x, int old_y);

10
stage23/drivers/vga_textmode.s2.c
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@ -197,7 +197,7 @@ void text_set_cursor_pos(int x, int y) {
draw_cursor();
}
static uint8_t ansi_colours[] = { 0, 4, 2, 0x0e, 1, 5, 3, 7, 0, 7 };
static uint8_t ansi_colours[] = { 0, 4, 2, 0x0e, 1, 5, 3, 7 };
void text_set_text_fg(int fg) {
text_palette = (text_palette & 0xf0) | ansi_colours[fg];
@ -207,6 +207,14 @@ void text_set_text_bg(int bg) {
text_palette = (text_palette & 0x0f) | (ansi_colours[bg] << 4);
}
void text_set_text_fg_default(void) {
text_palette = (text_palette & 0xf0) | 7;
}
void text_set_text_bg_default(void) {
text_palette &= 0x0f;
}
void text_putchar(uint8_t c) {
switch (c) {
case '\b':

111
stage23/lib/gterm.c
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@ -27,7 +27,9 @@ extern symbol _binary_font_bin_start;
static uint8_t *vga_font_bits = NULL;
static bool *vga_font_bool = NULL;
static uint32_t ansi_colours[10];
static uint32_t ansi_colours[8];
static uint32_t ansi_bright_colours[8];
static uint32_t default_fg, default_bg;
static int frame_height, frame_width;
@ -43,6 +45,8 @@ static uint32_t *bg_canvas = NULL;
static bool double_buffer_enabled = false;
static uint32_t text_fg, text_bg;
static bool cursor_status = true;
static int cursor_x;
@ -174,8 +178,8 @@ __attribute__((always_inline)) static inline void genloop(int xstart, int xend,
}
}
static uint32_t blend_external(int x, int y, uint32_t orig) { (void)x; (void)y; return orig; }
static uint32_t blend_internal(int x, int y, uint32_t orig) { (void)x; (void)y; return colour_blend(ansi_colours[8], orig); }
static uint32_t blend_margin(int x, int y, uint32_t orig) { return blend_gradient_from_box(x, y, orig, ansi_colours[8]); }
static uint32_t blend_internal(int x, int y, uint32_t orig) { (void)x; (void)y; return colour_blend(default_bg, orig); }
static uint32_t blend_margin(int x, int y, uint32_t orig) { return blend_gradient_from_box(x, y, orig, default_bg); }
static void loop_external(int xstart, int xend, int ystart, int yend) { genloop(xstart, xend, ystart, yend, blend_external); }
static void loop_margin(int xstart, int xend, int ystart, int yend) { genloop(xstart, xend, ystart, yend, blend_margin); }
@ -203,8 +207,8 @@ void gterm_generate_canvas(void) {
} else {
for (int y = 0; y < gterm_height; y++) {
for (int x = 0; x < gterm_width; x++) {
bg_canvas[y * gterm_width + x] = ansi_colours[8];
gterm_plot_px(x, y, ansi_colours[8]);
bg_canvas[y * gterm_width + x] = default_bg;
gterm_plot_px(x, y, default_bg);
}
}
}
@ -212,8 +216,8 @@ void gterm_generate_canvas(void) {
struct gterm_char {
uint32_t c;
int fg;
int bg;
uint32_t fg;
uint32_t bg;
};
void gterm_plot_char(struct gterm_char *c, int x, int y) {
@ -222,11 +226,9 @@ void gterm_plot_char(struct gterm_char *c, int x, int y) {
uint32_t *fb_line = gterm_framebuffer + x + (y + i) * (gterm_pitch / 4);
uint32_t *canvas_line = bg_canvas + x + (y + i) * gterm_width;
for (int j = 0; j < VGA_FONT_WIDTH; j++) {
uint32_t bg = c->bg == 0xffffffff ? canvas_line[j] : c->bg;
bool draw = glyph[i * VGA_FONT_WIDTH + j];
if (c->bg == 8)
fb_line[j] = draw ? ansi_colours[c->fg] : canvas_line[j];
else
fb_line[j] = draw ? ansi_colours[c->fg] : ansi_colours[c->bg];
fb_line[j] = draw ? c->fg : bg;
}
}
}
@ -238,14 +240,12 @@ void gterm_plot_char_fast(struct gterm_char *old, struct gterm_char *c, int x, i
uint32_t *fb_line = gterm_framebuffer + x + (y + i) * (gterm_pitch / 4);
uint32_t *canvas_line = bg_canvas + x + (y + i) * gterm_width;
for (int j = 0; j < VGA_FONT_WIDTH; j++) {
uint32_t bg = c->bg == 0xffffffff ? canvas_line[j] : c->bg;
bool old_draw = old_glyph[i * VGA_FONT_WIDTH + j];
bool new_draw = new_glyph[i * VGA_FONT_WIDTH + j];
if (old_draw == new_draw)
continue;
if (c->bg == 8)
fb_line[j] = new_draw ? ansi_colours[c->fg] : canvas_line[j];
else
fb_line[j] = new_draw ? ansi_colours[c->fg] : ansi_colours[c->bg];
fb_line[j] = new_draw ? c->fg : bg;
}
}
}
@ -281,7 +281,7 @@ static void draw_cursor(void) {
if (cursor_status) {
struct gterm_char c = grid[cursor_x + cursor_y * cols];
c.fg = 0;
c.bg = 7;
c.bg = 0xaaaaaa;
plot_char_grid_force(&c, cursor_x, cursor_y);
}
}
@ -313,8 +313,8 @@ static void scroll(void) {
// Clear the last line of the screen.
struct gterm_char empty;
empty.c = ' ';
empty.fg = 9;
empty.bg = 8;
empty.fg = text_fg;
empty.bg = text_bg;
for (int i = rows * cols - cols; i < rows * cols; i++) {
if (!compare_char(&grid[i], &empty))
plot_char_grid(&empty, i % cols, i / cols);
@ -328,8 +328,8 @@ void gterm_clear(bool move) {
struct gterm_char empty;
empty.c = ' ';
empty.fg = 9;
empty.bg = 8;
empty.fg = text_fg;
empty.bg = text_bg;
for (int i = 0; i < rows * cols; i++) {
plot_char_grid(&empty, i % cols, i / cols);
}
@ -385,14 +385,28 @@ void gterm_move_character(int new_x, int new_y, int old_x, int old_y) {
grid[new_x + new_y * cols] = grid[old_x + old_y * cols];
}
static int text_fg = 9, text_bg = 8;
void gterm_set_text_fg(int fg) {
text_fg = fg;
text_fg = ansi_colours[fg];
}
void gterm_set_text_bg(int bg) {
text_bg = bg;
text_bg = ansi_colours[bg];
}
void gterm_set_text_fg_bright(int fg) {
text_fg = ansi_bright_colours[fg];
}
void gterm_set_text_bg_bright(int bg) {
text_bg = ansi_bright_colours[bg];
}
void gterm_set_text_fg_default(void) {
text_fg = default_fg;
}
void gterm_set_text_bg_default(void) {
text_bg = 0xffffffff;
}
void gterm_double_buffer_flush(void) {
@ -507,6 +521,9 @@ bool gterm_init(int *_rows, int *_cols, int width, int height) {
int margin = 64;
margin_gradient = 4;
default_bg = 0x00000000; // background (black)
default_fg = 0x00aaaaaa; // foreground (grey)
ansi_colours[0] = 0x00000000; // black
ansi_colours[1] = 0x00aa0000; // red
ansi_colours[2] = 0x0000aa00; // green
@ -515,8 +532,6 @@ bool gterm_init(int *_rows, int *_cols, int width, int height) {
ansi_colours[5] = 0x00aa00aa; // magenta
ansi_colours[6] = 0x0000aaaa; // cyan
ansi_colours[7] = 0x00aaaaaa; // grey
ansi_colours[8] = 0x00000000; // background (black)
ansi_colours[9] = 0x00aaaaaa; // foreground (grey)
char *colours = config_get_value(NULL, 0, "THEME_COLOURS");
if (colours == NULL)
@ -529,27 +544,59 @@ bool gterm_init(int *_rows, int *_cols, int width, int height) {
uint32_t col = strtoui(first, &last, 16);
if (first == last)
break;
ansi_colours[i] = col;
if (i < 8) {
ansi_colours[i] = col;
} else if (i == 8) {
default_bg = col;
} else if (i == 9) {
default_fg = col;
}
if (*last == 0)
break;
first = last + 1;
}
if (i < 8) {
ansi_colours[8] = ansi_colours[0];
ansi_colours[9] = ansi_colours[7];
}
ansi_bright_colours[0] = 0x00555555; // black
ansi_bright_colours[1] = 0x00ff5555; // red
ansi_bright_colours[2] = 0x0055ff55; // green
ansi_bright_colours[3] = 0x00ffff55; // brown
ansi_bright_colours[4] = 0x005555ff; // blue
ansi_bright_colours[5] = 0x00ff55ff; // magenta
ansi_bright_colours[6] = 0x0055ffff; // cyan
ansi_bright_colours[7] = 0x00ffffff; // grey
char *bright_colours = config_get_value(NULL, 0, "THEME_BRIGHT_COLOURS");
if (bright_colours == NULL)
bright_colours = config_get_value(NULL, 0, "THEME_BRIGHT_COLORS");
if (bright_colours != NULL) {
const char *first = bright_colours;
int i;
for (i = 0; i < 8; i++) {
const char *last;
uint32_t col = strtoui(first, &last, 16);
if (first == last)
break;
ansi_bright_colours[i] = col;
if (*last == 0)
break;
first = last + 1;
}
}
char *theme_background = config_get_value(NULL, 0, "THEME_BACKGROUND");
if (theme_background != NULL) {
ansi_colours[8] = strtoui(theme_background, NULL, 16);
default_bg = strtoui(theme_background, NULL, 16);
}
char *theme_foreground = config_get_value(NULL, 0, "THEME_FOREGROUND");
if (theme_foreground != NULL) {
ansi_colours[9] = strtoui(theme_foreground, NULL, 16);
default_fg = strtoui(theme_foreground, NULL, 16);
}
text_fg = default_fg;
text_bg = 0xffffffff;
char *theme_margin = config_get_value(NULL, 0, "THEME_MARGIN");
if (theme_margin != NULL) {
margin = strtoui(theme_margin, NULL, 10);

4
stage23/lib/gterm.h
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@ -18,6 +18,10 @@ void gterm_set_cursor_pos(int x, int y);
void gterm_get_cursor_pos(int *x, int *y);
void gterm_set_text_fg(int fg);
void gterm_set_text_bg(int bg);
void gterm_set_text_fg_bright(int fg);
void gterm_set_text_bg_bright(int bg);
void gterm_set_text_fg_default(void);
void gterm_set_text_bg_default(void);
bool gterm_scroll_disable(void);
void gterm_scroll_enable(void);
void gterm_move_character(int new_x, int new_y, int old_x, int old_y);

4
stage23/lib/term.c
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@ -27,6 +27,10 @@ void term_vbe(int width, int height) {
get_cursor_pos = gterm_get_cursor_pos;
set_text_fg = gterm_set_text_fg;
set_text_bg = gterm_set_text_bg;
set_text_fg_bright = gterm_set_text_fg_bright;
set_text_bg_bright = gterm_set_text_bg_bright;
set_text_fg_default = gterm_set_text_fg_default;
set_text_bg_default = gterm_set_text_bg_default;
scroll_disable = gterm_scroll_disable;
scroll_enable = gterm_scroll_enable;
term_move_character = gterm_move_character;

4
stage23/lib/term.h
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@ -13,6 +13,10 @@ extern void (*set_cursor_pos)(int x, int y);
extern void (*get_cursor_pos)(int *x, int *y);
extern void (*set_text_fg)(int fg);
extern void (*set_text_bg)(int bg);
extern void (*set_text_fg_bright)(int fg);
extern void (*set_text_bg_bright)(int bg);
extern void (*set_text_fg_default)(void);
extern void (*set_text_bg_default)(void);
extern bool (*scroll_disable)(void);
extern void (*scroll_enable)(void);
extern void (*term_move_character)(int new_x, int new_y, int old_x, int old_y);

26
stage23/lib/term.s2.c
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@ -25,6 +25,10 @@ void (*set_cursor_pos)(int x, int y);
void (*get_cursor_pos)(int *x, int *y);
void (*set_text_fg)(int fg);
void (*set_text_bg)(int bg);
void (*set_text_fg_bright)(int fg);
void (*set_text_bg_bright)(int bg);
void (*set_text_fg_default)(void);
void (*set_text_bg_default)(void);
bool (*scroll_disable)(void);
void (*scroll_enable)(void);
void (*term_move_character)(int new_x, int new_y, int old_x, int old_y);
@ -48,6 +52,10 @@ void term_textmode(void) {
get_cursor_pos = text_get_cursor_pos;
set_text_fg = text_set_text_fg;
set_text_bg = text_set_text_bg;
set_text_fg_bright = text_set_text_fg;
set_text_bg_bright = text_set_text_bg;
set_text_fg_default = text_set_text_fg_default;
set_text_bg_default = text_set_text_bg_default;
scroll_disable = text_scroll_disable;
scroll_enable = text_scroll_enable;
term_move_character = text_move_character;
@ -104,8 +112,8 @@ static void sgr(void) {
for (; i < esc_values_i; i++) {
if (!esc_values[i]) {
def:
set_text_bg(8);
set_text_fg(9);
set_text_bg_default();
set_text_fg_default();
continue;
}
@ -119,13 +127,23 @@ def:
continue;
}
if (esc_values[i] >= 90 && esc_values[i] <= 97) {
set_text_fg_bright(esc_values[i] - 90);
continue;
}
if (esc_values[i] >= 100 && esc_values[i] <= 107) {
set_text_bg_bright(esc_values[i] - 100);
continue;
}
if (esc_values[i] == 39) {
set_text_fg(9);
set_text_fg_default();
continue;
}
if (esc_values[i] == 49) {
set_text_bg(8);
set_text_bg_default();
continue;
}
}

2
stage23/menu.c
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@ -614,7 +614,7 @@ refresh:
for (int i = timeout; i; i--) {
set_cursor_pos(0, term_rows - 1);
scroll_disable();
print("\e[32mBooting automatically in %u, press any key to stop the countdown...\e[0m", i);
print("\e[32mBooting automatically in \e[92m%u\e[32m, press any key to stop the countdown...\e[0m", i);
scroll_enable();
term_double_buffer_flush();
if ((c = pit_sleep_and_quit_on_keypress(1))) {