void gdispDrawString(coord_t x, coord_t y, const char *str, font_t font, color_t color) {
/* No mutex required as we only call high level functions which have their own mutex */
coord_t w, p;
char c;
int first;
if (!str) return;
first = 1;
p = font->charPadding * font->xscale;
while(*str) {
/* Get the next printable character */
c = *str++;
w = _getCharWidth(font, c) * font->xscale;
if (!w) continue;
/* Handle inter-character padding */
if (p) {
if (!first)
x += p;
else
first = 0;
}
/* Print the character */
gdispDrawChar(x, y, c, font, color);
x += w;
}
}
void gwinPutChar(GHandle gh, char c) {
#define gcw ((GConsoleObject *)gh)
uint8_t width, fy, fp;
if (gh->vmt != &consoleVMT || !gh->font)
return;
fy = gdispGetFontMetric(gh->font, fontHeight);
fp = gdispGetFontMetric(gh->font, fontCharPadding);
#if GDISP_NEED_CLIP
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
if (c == '\n') {
gcw->cx = 0;
gcw->cy += fy;
// We use lazy scrolling here and only scroll when the next char arrives
} else if (c == '\r') {
// gcw->cx = 0;
} else {
width = gdispGetCharWidth(c, gh->font) + fp;
if (gcw->cx + width >= gh->width) {
gcw->cx = 0;
gcw->cy += fy;
}
if (gcw->cy + fy > gh->height) {
#if GDISP_NEED_SCROLL
/* scroll the console */
gdispVerticalScroll(gh->x, gh->y, gh->width, gh->height, fy, gh->bgcolor);
/* reset the cursor to the start of the last line */
gcw->cx = 0;
gcw->cy = (((coord_t)(gh->height/fy))-1)*fy;
#else
/* clear the console */
gdispFillArea(gh->x, gh->y, gh->width, gh->height, gh->bgcolor);
/* reset the cursor to the top of the window */
gcw->cx = 0;
gcw->cy = 0;
#endif
}
#if GWIN_CONSOLE_USE_CLEAR_LINES
/* clear to the end of the line */
if (gcw->cx == 0)
gdispFillArea(gh->x, gh->y + gcw->cy, gh->width, fy, gh->bgcolor);
#endif
#if GWIN_CONSOLE_USE_FILLED_CHARS
gdispFillChar(gh->x + gcw->cx, gh->y + gcw->cy, c, gh->font, gh->color, gh->bgcolor);
#else
gdispDrawChar(gh->x + gcw->cx, gh->y + gcw->cy, c, gh->font, gh->color);
#endif
/* update cursor */
gcw->cx += width;
}
#undef gcw
}
void gwinDrawChar(GHandle gh, coord_t x, coord_t y, char c) {
if (!((gh->flags & GWIN_FLG_VISIBLE)) || !gh->font)
return;
#if GDISP_NEED_CLIP
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
gdispDrawChar(gh->x+x, gh->y+y, c, gh->font, gh->color);
}
msg_t lcdConsolePut(GConsole *console, char c) {
uint8_t width;
if(c == '\n') {
/* clear the text at the end of the line */
if(console->cx < console->sx)
gdispFillArea(console->x0 + console->cx, console->y0 + console->cy,
console->sx - console->cx, console->fy,
console->bkcolor);
console->cx = 0;
console->cy += console->fy;
} else if(c == '\r') {
/* TODO: work backwards through the buffer to the start of the current line */
//console->cx = 0;
} else {
width = gdispGetCharWidth(c, console->font) + console->fp;
if((console->cx + width) >= console->sx) {
/* clear the text at the end of the line */
if (console->cy <= console->sy)
gdispFillArea(console->x0 + console->cx, console->y0 + console->cy,
console->sx - (console->cx + width), console->fy,
console->bkcolor);
console->cx = 0;
console->cy += console->fy;
}
if((console->cy > console->sy)) {
#if GDISP_NEED_SCROLL
/* scroll the console */
gdispVerticalScroll(console->x0, console->y0, console->sx,
console->sy + console->fy, console->fy, console->bkcolor);
/* reset the cursor to the start of the line */
console->cx = 0;
console->cy = console->sy;
#else
/* clear the console */
gdispFillArea(console->x0, console->y0,
console->sx, console->sy + console->fy,
console->bkcolor);
/* reset the cursor to the top of the console */
console->cx = 0;
console->cy = 0;
#endif
}
gdispDrawChar(console->x0 + console->cx, console->y0 + console->cy, c,
console->font, console->color);
/* update cursor */
console->cx += width;
}
return RDY_OK;
}
void gdispDrawStringBox(coord_t x, coord_t y, coord_t cx, coord_t cy, const char* str, font_t font, color_t color, justify_t justify) {
/* No mutex required as we only call high level functions which have their own mutex */
coord_t w, h, p, ypos, xpos;
char c;
int first;
const char *rstr;
if (!str) str = "";
h = font->height * font->yscale;
p = font->charPadding * font->xscale;
/* Oops - font too large for the area */
if (h > cy) return;
/* See if we need to fill above the font */
ypos = (cy - h + 1)/2;
if (ypos > 0) {
y += ypos;
cy -= ypos;
}
/* See if we need to fill below the font */
ypos = cy - h;
if (ypos > 0)
cy -= ypos;
/* get the start of the printable string and the xpos */
switch(justify) {
case justifyCenter:
/* Get the length of the entire string */
w = gdispGetStringWidth(str, font);
if (w <= cx)
xpos = x + (cx - w)/2;
else {
/* Calculate how much of the string we need to get rid of */
ypos = (w - cx)/2;
xpos = 0;
first = 1;
while(*str) {
/* Get the next printable character */
c = *str++;
w = _getCharWidth(font, c) * font->xscale;
if (!w) continue;
/* Handle inter-character padding */
if (p) {
if (!first) {
xpos += p;
if (xpos > ypos) break;
} else
first = 0;
}
/* Print the character */
xpos += w;
if (xpos > ypos) break;
}
xpos = ypos - xpos + x;
}
break;
case justifyRight:
/* Find the end of the string */
for(rstr = str; *str; str++);
xpos = x+cx - 2;
first = 1;
for(str--; str >= rstr; str--) {
/* Get the next printable character */
c = *str;
w = _getCharWidth(font, c) * font->xscale;
if (!w) continue;
/* Handle inter-character padding */
if (p) {
if (!first) {
if (xpos - p < x) break;
xpos -= p;
} else
first = 0;
}
/* Print the character */
if (xpos - w < x) break;
xpos -= w;
}
str++;
break;
case justifyLeft:
/* Fall through */
default:
xpos = x+1;
break;
}
/* Print characters until we run out of room */
first = 1;
while(*str) {
/* Get the next printable character */
c = *str++;
w = _getCharWidth(font, c) * font->xscale;
if (!w) continue;
/* Handle inter-character padding */
if (p) {
if (!first) {
if (xpos + p > x+cx) break;
xpos += p;
} else
first = 0;
}
/* Print the character */
if (xpos + w > x+cx) break;
gdispDrawChar(xpos, y, c, font, color);
xpos += w;
}
}
