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authorjaseg <jaseg@jaseg.net>2014-01-03 02:15:58 +0100
committerjaseg <jaseg@jaseg.net>2014-01-03 02:15:58 +0100
commit2fcc915da9e1ca0788424511f359c74231fedcc7 (patch)
treed72963ba719836aeb1a8dfec77835aba8819658c /host
parent916aced1bef07001ef4eee2a1cde6cd6e33b4bc3 (diff)
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Fixed font rnedering and width computation
Diffstat (limited to 'host')
-rw-r--r--host/matelight/font.c5
-rw-r--r--host/matelight/main.c57
2 files changed, 40 insertions, 22 deletions
diff --git a/host/matelight/font.c b/host/matelight/font.c
index f22f05b..725e039 100644
--- a/host/matelight/font.c
+++ b/host/matelight/font.c
@@ -14,10 +14,11 @@ void render_glyph(glyph_t *g, uint8_t *buf, unsigned int bufwidth, unsigned int
data <<= 8;
data |= bitmap[y*bitmap_row_width+i];
}
- uint8_t *p = buf + (offy+y)*bufwidth + offx;
+ uint8_t *p = buf + ((offy+y)*bufwidth + offx)*3;
for(unsigned int x=0; x < g->width; x++){
color_t c = (data&(1<<(g->width-1))) ? fg : bg;
- *((color_t *)(p++)) = c;
+ *((color_t *)p) = c;
+ p += 3;
data <<= 1;
}
}
diff --git a/host/matelight/main.c b/host/matelight/main.c
index 48c50d9..7633507 100644
--- a/host/matelight/main.c
+++ b/host/matelight/main.c
@@ -27,6 +27,17 @@ int console_render(char *s, glyph_t **glyph_table, unsigned int glyph_table_size
goto error;
}
for(;;){
+ if(*p == '\033'){
+ p++;
+ // Jump over escape sequences
+ for(;;p++){
+ if(!(*p == ';' || *p == '[' || ('0' < *p && *p < '9'))){
+ p++;
+ break;
+ }
+ }
+ }
+
size_t inc = mbrtowc(&c, p, MB_CUR_MAX, &ps); // MB_CUR_MAX is safe since p is \0-terminated
if(inc == -1 || inc == -2){
fprintf(stderr, "Error rendering string: No valid UTF-8 input.\n");
@@ -70,19 +81,19 @@ int console_render(char *s, glyph_t **glyph_table, unsigned int glyph_table_size
struct {
color_t fg;
color_t bg;
- int blink:4;
- int bold:1; // TODO
- int underline:1;
- int strikethrough:1;
- int fraktur:1; // TODO See: Flat10 Fraktur font
- int invert:1;
+ unsigned int blink:4;
+ unsigned int bold:1; // TODO
+ unsigned int underline:1;
+ unsigned int strikethrough:1;
+ unsigned int fraktur:1; // TODO See: Flat10 Fraktur font
+ unsigned int invert:1;
} style = {
colortable[DEFAULT_FG_COLOR], colortable[DEFAULT_BG_COLOR], 0, 0, 0, 0, 0, 0
};
for(;;){
// NOTE: This nested escape sequence parsing does not contain any unicode-awareness whatsoever
if(*p == '\033'){ // Escape sequence YAY
- char *sequence_start = p++;
+ char *sequence_start = ++p;
if(*p == '['){ // This was a CSI!
long elems[MAX_CSI_ELEMENTS];
int nelems;
@@ -91,22 +102,26 @@ int console_render(char *s, glyph_t **glyph_table, unsigned int glyph_table_size
char *endptr;
elems[nelems] = strtol(p, &endptr, 10);
if(p == endptr){
- fprintf(stderr, "Invalid ANSI escape code: \"\\e%s\"\n", sequence_start);
+ fprintf(stderr, "Invalid escape sequence: \"\\e%s\"\n", sequence_start);
goto error;
}
+ p = endptr;
if(*endptr == 'm')
break;
if(*endptr != ';'){
- fprintf(stderr, "Invalid ANSI escape code: \"\\e%s\"\n", sequence_start);
+ fprintf(stderr, "Invalid escape sequence: \"\\e%s\"\n", sequence_start);
goto error;
}
}
+ p++; // gobble up trailing 'm' of "\033[23;42m"
+ nelems++;
// By now we know it's a SGR since we error'ed out on anything else
if(nelems < 1){
fprintf(stderr, "Unsupported escape sequence: \"\\e%s\"\n", sequence_start);
goto error;
}
for(int i=0; i<nelems; i++){
+ printf("Processing escape sequence command code %d\n", elems[i]);
switch(elems[i]){
case 0: // reset style
style.fg = colortable[DEFAULT_FG_COLOR];
@@ -170,7 +185,7 @@ int console_render(char *s, glyph_t **glyph_table, unsigned int glyph_table_size
fprintf(stderr, "Invalid ANSI escape code: \"\\e%s\"\n", sequence_start);
goto error;
}
- style.fg = colortable[elems[i++]];
+ style.fg = colortable[elems[++i]];
break;
case 39: // Reset foreground color to default
style.bg = colortable[DEFAULT_FG_COLOR];
@@ -191,7 +206,7 @@ int console_render(char *s, glyph_t **glyph_table, unsigned int glyph_table_size
fprintf(stderr, "Invalid ANSI escape code: \"\\e%s\"\n", sequence_start);
goto error;
}
- style.bg = colortable[elems[i++]];
+ style.bg = colortable[elems[++i]];
break;
case 49: // Reset background color to default
style.bg = colortable[DEFAULT_BG_COLOR];
@@ -240,7 +255,7 @@ int console_render(char *s, glyph_t **glyph_table, unsigned int glyph_table_size
ftime(&time);
unsigned long int t = time.time*1000 + time.millitm;
int blink = style.blink && (t % (1000/style.blink) < (333/style.blink));
- int inv = style.invert ^ blink;
+ int inv = !(style.invert ^ blink);
color_t fg = inv ? style.fg : style.bg;
color_t bg = inv ? style.bg : style.fg;
@@ -252,28 +267,30 @@ int console_render(char *s, glyph_t **glyph_table, unsigned int glyph_table_size
style.invert,
style.bold,
style.fraktur,
- style.fg.r,
- style.fg.g,
- style.fg.b,
- style.bg.r,
- style.bg.g,
- style.bg.b);
+ fg.r,
+ fg.g,
+ fg.b,
+ bg.r,
+ bg.g,
+ bg.b);
glyph_t *g = glyph_table[c];
render_glyph(g, gbuf, gbufwidth, x, 0, fg, bg);
if(style.strikethrough || style.underline){
int sty = gbufheight/2;
// g->y usually is a negative index of the glyph's baseline measured from the glyph's bottom
int uly = gbufheight + g->y;
+ printf("Generating strikethrough at y=%d, underline at y=%d\n", sty, uly);
for(int i=0; i<g->width; i++){
if(style.strikethrough)
- *((color_t *)(gbuf + (sty*gbufwidth + i)*3)) = fg;
+ *((color_t *)(gbuf + (sty*gbufwidth + x + i)*3)) = fg;
if(style.underline)
- *((color_t *)(gbuf + (uly*gbufwidth + i)*3)) = fg;
+ *((color_t *)(gbuf + (uly*gbufwidth + x + i)*3)) = fg;
}
}
x += g->width;
}
+ printf("Rendering buffer of size %d*%d\n", gbufwidth, gbufheight);
for(unsigned int y=0; y < gbufheight; y++){
for(unsigned int x=0; x < gbufwidth; x++){
color_t c = *((color_t *)(gbuf + (y*gbufwidth + x)*3));