/*
set a parameter
*/
void AP_Tuning_Plane::set_value(uint8_t parm, float value)
{
switch(parm) {
// special handling of dual-parameters
case TUNING_RATE_ROLL_PI:
set_value(TUNING_RATE_ROLL_P, value);
set_value(TUNING_RATE_ROLL_I, value);
break;
case TUNING_RATE_PITCH_PI:
set_value(TUNING_RATE_PITCH_P, value);
set_value(TUNING_RATE_PITCH_I, value);
break;
default:
AP_Float *f = get_param_pointer(parm);
if (f != nullptr) {
f->set_and_notify(value);
}
break;
}
}
/*
reload a parameter
*/
void AP_Tuning_Plane::reload_value(uint8_t parm)
{
switch(parm) {
// special handling of dual-parameters
case TUNING_RATE_ROLL_PI:
reload_value(TUNING_RATE_ROLL_P);
reload_value(TUNING_RATE_ROLL_I);
break;
case TUNING_RATE_PITCH_PI:
reload_value(TUNING_RATE_PITCH_P);
reload_value(TUNING_RATE_PITCH_I);
break;
default:
AP_Float *f = get_param_pointer(parm);
if (f != nullptr) {
f->load();
}
break;
}
}
static gboolean
read_file_info(const guchar *buffer, gsize size,
FileInfo *info,
GError **error)
{
guint expected_size, i;
const guchar *p;
gwy_clear(info, 1);
p = buffer + MAGIC_SIZE;
/* read structure variables from buffer */
for (i = 0; i < (HEADER_SIZE - MAGIC_SIZE)/8; i++) {
gchar key[5];
guint32 value;
key[4] = '\0';
memcpy(key, p, 4);
p += 4;
value = gwy_get_guint32_le(&p);
if (!key[0])
continue;
gwy_debug("%s: 0x%04x", key, value);
/* Do not take values past the end of file and zeros into account at
* all. The software seems to sometimes emit silly extra fields. */
if (!value || value >= size)
continue;
else if (gwy_strequal(key, "DESC"))
info->desc_offset = value;
else if (gwy_strequal(key, "DATE"))
info->date_offset = value;
else if (gwy_strequal(key, "PLET"))
info->palette_offset = value;
else if (gwy_strequal(key, "IMAG"))
info->image_offset = value;
else if (gwy_strequal(key, "HARD"))
info->hard_offset = value;
else if (gwy_strequal(key, "IMGP"))
info->img_p_offset = value;
else if (gwy_strequal(key, "SDES"))
info->short_desc_offset = value;
else if (gwy_strequal(key, "KEYS"))
info->keys_offset = value;
else {
gwy_debug("Unknown field %s", key);
}
}
/* Pixel image size */
if (!(p = get_param_pointer(buffer, size,
info->image_offset, sizeof(guint16),
"IMAG", error)))
return FALSE;
info->img_res = gwy_get_guint16_le(&p);
if (err_DIMENSION(error, info->img_res))
return FALSE;
/* Image data. It is the *same* pointer, just after the pixel size. */
info->image_data = (const guint16*)p;
expected_size = (p - buffer) + info->img_res*info->img_res*sizeof(guint16);
if (err_SIZE_MISMATCH(error, expected_size, size, FALSE))
return FALSE;
/* Real image size */
if (!(p = get_param_pointer(buffer, size,
info->hard_offset, sizeof(gfloat),
"HARD", error)))
return FALSE;
info->real_size = gwy_get_gfloat_le(&p);
if (!((info->real_size = fabs(info->real_size)) > 0)) {
g_warning("Real size is 0.0, fixing to 1.0");
info->real_size = 1.0;
}
/* Value scale factor */
if (!(p = get_param_pointer(buffer, size,
info->img_p_offset + 8, sizeof(gfloat),
"IMGP", error)))
return FALSE;
info->z_scale = gwy_get_gfloat_le(&p);
return TRUE;
}
