/* Fill a text line with a gradient:
* x1, x2 - x pixel coordinates to start/stop
* y - y pixel to start from
* h - line height
* num_lines - number of lines to span the gradient over
* cur_line - current line being draw
*/
static void lcd_do_gradient_line(int x1, int x2, int y, unsigned h,
int num_lines, int cur_line)
{
int step_mul;
if (h == 0) return;
num_lines *= h;
cur_line *= h;
step_mul = (1 << 16) / (num_lines);
int h_r = RGB_UNPACK_RED(current_vp->lss_pattern);
int h_g = RGB_UNPACK_GREEN(current_vp->lss_pattern);
int h_b = RGB_UNPACK_BLUE(current_vp->lss_pattern);
int rstep = (h_r - RGB_UNPACK_RED(current_vp->lse_pattern)) * step_mul;
int gstep = (h_g - RGB_UNPACK_GREEN(current_vp->lse_pattern)) * step_mul;
int bstep = (h_b - RGB_UNPACK_BLUE(current_vp->lse_pattern)) * step_mul;
unsigned start_rgb, end_rgb;
h_r = (h_r << 16) + (1 << 15);
h_g = (h_g << 16) + (1 << 15);
h_b = (h_b << 16) + (1 << 15);
if (cur_line)
{
h_r -= cur_line * rstep;
h_g -= cur_line * gstep;
h_b -= cur_line * bstep;
}
start_rgb = LCD_RGBPACK(h_r >> 16, h_g >> 16, h_b >> 16);
h_r -= h * rstep;
h_g -= h * gstep;
h_b -= h * bstep;
end_rgb = LCD_RGBPACK(h_r >> 16, h_g >> 16, h_b >> 16);
lcd_gradient_fillrect(x1, y, x2 - x1, h, start_rgb, end_rgb);
}
void lcd_gradient_fillrect(int x, int y, int width, int height,
unsigned start_rgb, unsigned end_rgb)
{
int old_pattern = current_vp->fg_pattern;
int step_mul, i;
int x1, x2;
x1 = x;
x2 = x + width;
if (height == 0) return;
step_mul = (1 << 16) / height;
int h_r = RGB_UNPACK_RED(start_rgb);
int h_g = RGB_UNPACK_GREEN(start_rgb);
int h_b = RGB_UNPACK_BLUE(start_rgb);
int rstep = (h_r - RGB_UNPACK_RED(end_rgb)) * step_mul;
int gstep = (h_g - RGB_UNPACK_GREEN(end_rgb)) * step_mul;
int bstep = (h_b - RGB_UNPACK_BLUE(end_rgb)) * step_mul;
h_r = (h_r << 16) + (1 << 15);
h_g = (h_g << 16) + (1 << 15);
h_b = (h_b << 16) + (1 << 15);
for(i = y; i < y + height; i++) {
current_vp->fg_pattern = LCD_RGBPACK(h_r >> 16, h_g >> 16, h_b >> 16);
lcd_hline(x1, x2, i);
h_r -= rstep;
h_g -= gstep;
h_b -= bstep;
}
current_vp->fg_pattern = old_pattern;
}
bool cfg_to_string(int i/*setting_id*/, char* buf, int buf_len)
{
switch (settings[i].flags&F_T_MASK)
{
case F_T_CUSTOM:
settings[i].custom_setting->write_to_cfg(settings[i].setting,
buf, buf_len);
break;
case F_T_INT:
case F_T_UINT:
#ifdef HAVE_LCD_COLOR
if (settings[i].flags&F_RGB)
{
int colour = *(int*)settings[i].setting;
snprintf(buf,buf_len,"%02x%02x%02x",
(int)RGB_UNPACK_RED(colour),
(int)RGB_UNPACK_GREEN(colour),
(int)RGB_UNPACK_BLUE(colour));
}
else
#endif
if (settings[i].cfg_vals == NULL)
{
snprintf(buf,buf_len,"%d",*(int*)settings[i].setting);
}
else
{
if (cfg_int_to_string(i, *(int*)settings[i].setting,
buf, buf_len) == false)
{
snprintf(buf,buf_len,"%d",*(int*)settings[i].setting);
}
else
return false;
}
break;
case F_T_BOOL:
cfg_int_to_string(i,
*(bool*)settings[i].setting==false?0:1, buf, buf_len);
break;
case F_T_CHARPTR:
case F_T_UCHARPTR:
if (((char*)settings[i].setting)[0]
&& settings[i].filename_setting->prefix)
{
snprintf(buf,buf_len,"%s%s%s",
settings[i].filename_setting->prefix,
(char*)settings[i].setting,
settings[i].filename_setting->suffix);
}
else strlcpy(buf,(char*)settings[i].setting,
settings[i].filename_setting->max_len);
break;
} /* switch () */
return true;
}
/* Fill a rectangle with a gradient */
static void lcd_gradient_rect(int x1, int x2, int y, unsigned h,
int num_lines, int cur_line)
{
int old_pattern = current_vp->fg_pattern;
int step_mul;
if (h == 0) return;
num_lines *= h;
cur_line *= h;
step_mul = (1 << 16) / (num_lines);
int h_r = RGB_UNPACK_RED(current_vp->lss_pattern);
int h_g = RGB_UNPACK_GREEN(current_vp->lss_pattern);
int h_b = RGB_UNPACK_BLUE(current_vp->lss_pattern);
int rstep = (h_r - RGB_UNPACK_RED(current_vp->lse_pattern)) * step_mul;
int gstep = (h_g - RGB_UNPACK_GREEN(current_vp->lse_pattern)) * step_mul;
int bstep = (h_b - RGB_UNPACK_BLUE(current_vp->lse_pattern)) * step_mul;
h_r = (h_r << 16) + (1 << 15);
h_g = (h_g << 16) + (1 << 15);
h_b = (h_b << 16) + (1 << 15);
if (cur_line)
{
h_r -= cur_line * rstep;
h_g -= cur_line * gstep;
h_b -= cur_line * bstep;
}
unsigned count;
for(count = 0; count < h; count++) {
current_vp->fg_pattern = LCD_RGBPACK(h_r >> 16, h_g >> 16, h_b >> 16);
lcd_hline(x1, x2, y + count);
h_r -= rstep;
h_g -= gstep;
h_b -= bstep;
}
current_vp->fg_pattern = old_pattern;
}
void lcd_update_rect(int x, int y, int w, int h)
{
#ifdef HAVE_LCD_ENABLE
if(!lcd_on)
return;
#endif
for(int yy = y; yy < y + h; yy++)
{
uint16_t *pix = FBADDR(x, yy);
uint8_t *p = 3 * (yy * LCD_WIDTH + x) + (uint8_t *)FRAME;
for(int xx = 0; xx < w; xx++, pix++)
{
*p++ = RGB_UNPACK_RED(*pix);
*p++ = RGB_UNPACK_GREEN(*pix);
*p++ = RGB_UNPACK_BLUE(*pix);
}
}
}
