void vrule(ucg_t *ucg, ucg_int_t x, ucg_int_t y, ucg_int_t len, int is_right)
{
char s[10];
ucg_int_t o = rule_offset;
ucg_int_t w;
prepare_measure(ucg);
sprintf(s, "%d", len);
ucg_SetFontPosBaseline(ucg);
w = ucg_GetStrWidth(ucg, s);
if ( is_right )
{
ucg_DrawVLine(ucg, x+o, y, len);
ucg_DrawHLine(ucg, x-1+o, y, 3);
ucg_DrawHLine(ucg, x-1+o, y+len-1, 3);
ucg_SetFontPosBottom(ucg);
ucg_DrawString(ucg, x+o-1, y + len/2 - w/2 + 1, 1, s);
}
else
{
ucg_DrawVLine(ucg, x-o, y, len);
ucg_DrawHLine(ucg, x-1-o, y, 3);
ucg_DrawHLine(ucg, x-1-o, y+len-1, 3);
ucg_SetFontPosBottom(ucg);
ucg_DrawString(ucg, x-o+1, y + len - ( len/2 - w/2 + 1), 3, s);
}
}
void draw_text_ascent_descent(ucg_t *ucg)
{
prepare_picture(ucg);
ucg_SetFont(ucg, ucg_font_ncenB24_tf);
ucg_SetFontPosBaseline(ucg);
ucg_SetColor(ucg, 0, 0, 0, 255); /* draw blue "baseline" */
ucg_DrawHLine(ucg, 42+ox, 30, ucg_GetStrWidth(ucg, "Ucg"));
ucg_SetColor(ucg, 0, 255, 255, 255); /* draw white "Ucg" */
ucg_DrawString(ucg, 42+ox, 30, 0, "Ucg");
pos(ucg, 42+ox, 30, 0);
ucg_SetFont(ucg, ucg_font_ncenB24_tf);
vrule(ucg, 42+ox+ucg_GetStrWidth(ucg, "Ucg"), 30-ucg_GetFontAscent(ucg), ucg_GetFontAscent(ucg), 1);
ucg_SetFont(ucg, ucg_font_ncenB24_tf);
vrule(ucg, 42+ox+ucg_GetStrWidth(ucg, "Ucg"), 30, -ucg_GetFontDescent(ucg), 1);
save_picture(ucg, "draw_text_ascent_descent");
}
void draw_text_center(ucg_t *ucg)
{
prepare_picture(ucg);
ucg_SetFont(ucg, ucg_font_ncenB18_tf);
ucg_SetFontPosCenter(ucg);
ucg_SetColor(ucg, 0, 0, 0, 255); /* draw blue "baseline" */
ucg_DrawHLine(ucg, 45+ox, 30, ucg_GetStrWidth(ucg, "Ucg"));
ucg_SetColor(ucg, 0, 255, 255, 255); /* draw white "Ucg" */
ucg_DrawString(ucg, 45+ox, 30, 0, "Ucg");
pos(ucg, 45+ox, 30, 0);
save_picture(ucg, "draw_text_center");
}
// Lua: width = ucg.getStrWidth( self, string )
static int lucg_getStrWidth( lua_State *L )
{
lucg_userdata_t *lud;
if ((lud = get_lud( L )) == NULL)
return 0;
const char *s = luaL_checkstring( L, 2 );
if (s == NULL)
return 0;
lua_pushinteger( L, ucg_GetStrWidth( LUCG, s ) );
return 1;
}
void pos(ucg_t *ucg, ucg_int_t x, ucg_int_t y, int is_right)
{
char s[20];
ucg_int_t w;
prepare_measure(ucg);
sprintf(s, "(%d,%d)", x-ox, y);
w = ucg_GetStrWidth(ucg, s);
ucg_DrawPixel(ucg, x, y);
ucg_SetFontPosCenter(ucg);
if ( is_right )
{
ucg_DrawString(ucg, x+1, y, 0, s);
//ucg_DrawHLine(ucg, x+1, y, w);
}
else
{
ucg_DrawString(ucg, x+1-w, y, 0, s);
//ucg_DrawHLine(ucg, x+1-w, y, w);
}
}
/*
pos = 1 above
pos = 0
pos = -1 below
*/
void hrule(ucg_t *ucg, ucg_int_t x, ucg_int_t y, ucg_int_t len, int is_below)
{
char s[10];
ucg_int_t o = rule_offset;
ucg_int_t w;
if ( is_below )
{
ucg_SetFontPosTop(ucg);
o = -o;
}
else
{
ucg_SetFontPosBottom(ucg);
}
prepare_measure(ucg);
ucg_DrawHLine(ucg, x, y-o, len);
ucg_DrawVLine(ucg, x, y-1-o, 3);
ucg_DrawVLine(ucg, x+len-1, y-1-o, 3);
sprintf(s, "%d", len);
w = ucg_GetStrWidth(ucg, s);
ucg_DrawString(ucg, x + len/2 - w/2, y-o+1, 0, s);
}
