int draw_cell(struct font *font, struct cell *c, int x, int y) {
struct glyph *glyph;
uint32_t *bitmap;
int i;
if (!font || !c) {
return 1;
}
if (c->ch >= font->count) {
glyph = font->def_glyph;
}
else {
glyph = font->glyph[c->ch];
if (!glyph) {
glyph = font->def_glyph;
if (!glyph) {
return 1;
}
}
}
// construct bitmap
bitmap = malloc(sizeof(uint32_t) * glyph->w * glyph->h);
for (i = 0; i < glyph->w * glyph->h; i++) {
bitmap[i] = (glyph->value[i]) ? c->fg : c->bg;
}
// blit onto framebuffer
fb_blit(fb, bitmap, x, y, glyph->w, glyph->h);
free(bitmap);
return 0;
}
void
gfx_glyph_draw(FB_Surface *sfc, FB_Surface *font, int x, int y, unsigned char c) {
int w = font->width / 95, h = font->height;
FB_Rectangle d = { x, y, w, h };
FB_Rectangle s = { x, 0, w, h };
if (c > 32) {
s.x = (c - 32) * w;
fb_blit(font, &s, sfc, &d, 0);
}
}
bool_t fb_putcode(struct fb * fb, u32_t code, u32_t fc, u32_t bc, u32_t x, u32_t y)
{
struct surface_t * face;
bool_t ret;
face = surface_alloc_from_gimage(lookup_console_font_face(code, fc, bc));
if(!face)
return FALSE;
ret = fb_blit(fb, face, x, y, face->w, face->h, 0, 0);
surface_free(face);
return ret;
}
/*
* scroll up
*/
static bool_t fbcon_scrollup(struct console * console)
{
struct fb_console_info * info = console->priv;
struct fbcon_cell * p, * q;
s32_t m, l;
s32_t i;
l = info->w;
m = info->clen - l;
p = &(info->cell[0]);
q = &(info->cell[l]);
for(i = 0; i < m; i++)
{
p->cp = q->cp;
p->fc = q->fc;
p->bc = q->bc;
p++;
q++;
}
while( (l--) > 0 )
{
p->cp = UNICODE_SPACE;
p->fc = info->fc;
p->bc = info->bc;
p++;
}
fb_blit(info->fb, &info->fb->info->surface, 0, 0, (info->w * info->fw), ((info->h - 1) * info->fh), 0, info->fh);
fb_fill_rect(info->fb, info->bc, 0, ((info->h - 1) * info->fh), (info->w * info->fw), info->fh);
fbcon_gotoxy(console, info->x, info->y - 1);
return TRUE;
}