static gboolean
rhk_sm4_read_drift_header(RHKSpecDriftHeader *drift_header,
const RHKObject *obj,
const guchar *buffer)
{
const guchar *p = buffer + obj->offset;
if (obj->size < 16)
return FALSE;
drift_header->start_time = gwy_get_guint64_le(&p);
drift_header->drift_opt = gwy_get_gint16_le(&p);
drift_header->nstrings = gwy_get_guint16_le(&p);
/* TODO: Read the strings. */
return TRUE;
}
static RHKSpecDriftHeader*
rhk_sm4_read_drift_header(const RHKObject *obj,
const guchar *buffer)
{
RHKSpecDriftHeader *drift_header = NULL;
const guchar *p = buffer + obj->offset;
if (obj->size < 16)
return drift_header;
drift_header = g_new0(RHKSpecDriftHeader, 1);
drift_header->start_time = gwy_get_guint64_le(&p);
drift_header->drift_opt = gwy_get_gint16_le(&p);
drift_header->nstrings = gwy_get_guint16_le(&p);
/* TODO: Read the strings. */
return drift_header;
}
static GwyContainer*
apefile_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
APEFile apefile;
GwyContainer *meta, *container = NULL;
guchar *buffer = NULL;
const guchar *p;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
guint b, i, n;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
p = buffer;
apefile.version = *(p++);
if (size < 1294) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
apefile.spm_mode = *(p++);
p += 2; /* Skip VisualBasic VARIANT type type */
apefile.scan_date = gwy_get_gdouble_le(&p);
apefile.maxr_x = gwy_get_gfloat_le(&p);
apefile.maxr_y = gwy_get_gfloat_le(&p);
apefile.x_offset = gwy_get_guint32_le(&p);
apefile.y_offset = gwy_get_guint32_le(&p);
apefile.size_flag = gwy_get_guint16_le(&p);
apefile.res = 16 << apefile.size_flag;
if (err_DIMENSION(error, apefile.res)) {
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
apefile.acquire_delay = gwy_get_gfloat_le(&p);
apefile.raster_delay = gwy_get_gfloat_le(&p);
apefile.tip_dist = gwy_get_gfloat_le(&p);
apefile.v_ref = gwy_get_gfloat_le(&p);
if (apefile.version == 1) {
apefile.vpmt1 = gwy_get_guint16_le(&p);
apefile.vpmt2 = gwy_get_guint16_le(&p);
}
else {
apefile.vpmt1 = gwy_get_gfloat_le(&p);
apefile.vpmt2 = gwy_get_gfloat_le(&p);
}
apefile.remark = g_strndup(p, 120);
p += 120;
apefile.x_piezo_factor = gwy_get_guint32_le(&p);
apefile.y_piezo_factor = gwy_get_guint32_le(&p);
apefile.z_piezo_factor = gwy_get_guint32_le(&p);
apefile.hv_gain = gwy_get_gfloat_le(&p);
apefile.freq_osc_tip = gwy_get_gdouble_le(&p);
apefile.rotate = gwy_get_gfloat_le(&p);
apefile.slope_x = gwy_get_gfloat_le(&p);
apefile.slope_y = gwy_get_gfloat_le(&p);
apefile.topo_means = gwy_get_guint16_le(&p);
apefile.optical_means = gwy_get_guint16_le(&p);
apefile.error_means = gwy_get_guint16_le(&p);
/*
g_printerr("%04x %04x %04x\n",
apefile.topo_means, apefile.optical_means, apefile.error_means);
*/
apefile.channels = gwy_get_guint32_le(&p);
apefile.ndata = 0;
for (b = apefile.channels; b; b = b >> 1)
apefile.ndata += (b & 1);
apefile.range_x = gwy_get_gfloat_le(&p);
apefile.range_y = gwy_get_gfloat_le(&p);
apefile.subversion = gwy_get_guint16_le(&p);
/* Read everything since the header is long enough, check the version
* later when we decide whether to use these values or not. */
/* Since 2.1 */
apefile.hv_gain_z = gwy_get_gfloat_le(&p);
/* Since 2.2 */
apefile.fast2_0 = gwy_get_gdouble_le(&p);
apefile.fast2_1 = gwy_get_gdouble_le(&p);
apefile.fast2_2 = gwy_get_gdouble_le(&p);
apefile.fast2_3 = gwy_get_gdouble_le(&p);
/* Since 2.3 */
apefile.pg850_image = !!gwy_get_guint16_le(&p);
/* Since 2.4 */
apefile.xy_hv_status = gwy_get_gint16_le(&p);
apefile.z_hv_status = gwy_get_gint16_le(&p);
/* reserved */
p += 2;
apefile.xreal = apefile.maxr_x * apefile.x_piezo_factor * apefile.range_x
* apefile.hv_gain/65535.0 * 1e-9;
apefile.yreal = apefile.maxr_y * apefile.y_piezo_factor * apefile.range_y
* apefile.hv_gain/65535.0 * 1e-9;
/* Use negated positive conditions to catch NaNs */
if (!((apefile.xreal = fabs(apefile.xreal)) > 0)) {
g_warning("Real x size is 0.0, fixing to 1.0");
apefile.xreal = 1.0;
}
if (!((apefile.yreal = fabs(apefile.yreal)) > 0)) {
g_warning("Real y size is 0.0, fixing to 1.0");
apefile.yreal = 1.0;
}
gwy_debug("version = %u.%u, spm_mode = %u",
apefile.version, apefile.subversion, apefile.spm_mode);
gwy_debug("scan_date = %f", apefile.scan_date);
gwy_debug("maxr_x = %g, maxr_y = %g", apefile.maxr_x, apefile.maxr_y);
gwy_debug("x_offset = %u, y_offset = %u",
apefile.x_offset, apefile.y_offset);
gwy_debug("size_flag = %u", apefile.size_flag);
gwy_debug("acquire_delay = %g, raster_delay = %g, tip_dist = %g",
apefile.acquire_delay, apefile.raster_delay, apefile.tip_dist);
gwy_debug("v_ref = %g, vpmt1 = %g, vpmt2 = %g",
apefile.v_ref, apefile.vpmt1, apefile.vpmt2);
gwy_debug("x_piezo_factor = %u, y_piezo_factor = %u, z_piezo_factor = %u",
apefile.x_piezo_factor, apefile.y_piezo_factor,
apefile.z_piezo_factor);
gwy_debug("hv_gain = %g, freq_osc_tip = %g, rotate = %g",
apefile.hv_gain, apefile.freq_osc_tip, apefile.rotate);
gwy_debug("slope_x = %g, slope_y = %g",
apefile.slope_x, apefile.slope_y);
gwy_debug("topo_means = %u, optical_means = %u, error_means = %u",
apefile.topo_means, apefile.optical_means, apefile.error_means);
gwy_debug("channel bitmask = %03x, ndata = %u",
apefile.channels, apefile.ndata);
gwy_debug("range_x = %g, range_y = %g",
apefile.range_x, apefile.range_y);
n = (apefile.res + 1)*(apefile.res + 1)*sizeof(float);
if (size - (p - buffer) != n*apefile.ndata) {
g_warning("Expected data size %u, but it's %u.",
n*apefile.ndata, (guint)(size - (p - buffer)));
apefile.ndata = MIN(apefile.ndata, (size - (p - buffer))/n);
}
if (!apefile.ndata) {
err_NO_DATA(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
fill_data_fields(&apefile, p);
gwy_file_abandon_contents(buffer, size, NULL);
container = gwy_container_new();
/* All metadata seems to be per-file (global) */
meta = apefile_get_metadata(&apefile);
for (b = apefile.channels, n = 0, i = 0; b; b = b >> 1, i++) {
GwyContainer *tmp;
gchar *title;
gchar key[32];
if (!(b & 1))
continue;
g_snprintf(key, sizeof(key), "/%d/data", n);
dfield = apefile.data[n];
gwy_container_set_object_by_name(container, key, dfield);
g_object_unref(apefile.data[n]);
g_snprintf(key, sizeof(key), "/%d/data/title", n);
/*
* Channel labelling based on SPM Mode
*/
switch (apefile.spm_mode) {
case SPM_MODE_SNOM:
title = gwy_enuml_to_string(i,
"Height", APE_HEIGHT,
"Height-R", APE_HEIGHT_R,
"NSOM", APE_NSOM,
"NSOM-R", APE_NSOM_R,
"Error", APE_ERROR,
"Error-R", APE_ERROR_R,
"NSOM2", APE_NSOM2,
"NSOM2-R", APE_NSOM2_R,
"Lateral", APE_AUX1,
"Z-Z0", APE_AUX2,
"Lateral-R", APE_AUX1_R,
"Z-Z0-R", APE_AUX2_R,
NULL);
break;
case SPM_MODE_AFM_NONCONTACT:
case SPM_MODE_AFM_CONTACT:
case SPM_MODE_PHASE_DETECT_AFM:
title = gwy_enuml_to_string(i,
"Height", APE_HEIGHT,
"Height-R", APE_HEIGHT_R,
"IN1", APE_NSOM,
"IN1-R", APE_NSOM_R,
"Error", APE_ERROR,
"Error-R", APE_ERROR_R,
"IN2", APE_NSOM2,
"IN2-R", APE_NSOM2_R,
"Lateral", APE_AUX1,
"Z-Z0", APE_AUX2,
"Lateral-R", APE_AUX1_R,
"Z-Z0-R", APE_AUX2_R,
NULL);
break;
default:
title = gwy_enuml_to_string(i,
"Height", APE_HEIGHT,
"Height-R", APE_HEIGHT_R,
"IN1", APE_NSOM,
"IN1-R", APE_NSOM_R,
"Error", APE_ERROR,
"Error-R", APE_ERROR_R,
"IN2", APE_NSOM2,
"IN2-R", APE_NSOM2_R,
"Aux1", APE_AUX1,
"Z-Z0", APE_AUX2,
"Aux1-R", APE_AUX1_R,
"Z-Z0-R", APE_AUX2_R,
NULL);
break;
}
if (title && *title)
gwy_container_set_string_by_name(container, key, g_strdup(title));
tmp = gwy_container_duplicate(meta);
g_snprintf(key, sizeof(key), "/%d/meta", n);
gwy_container_set_object_by_name(container, key, tmp);
g_object_unref(tmp);
gwy_file_channel_import_log_add(container, n, NULL, filename);
n++;
}
g_object_unref(meta);
g_free(apefile.remark);
return container;
}
