static gboolean
fill_data_fields(SurfFile *surffile,
const guchar *buffer,
GError **error)
{
GwySIUnit *siunit;
gdouble *data;
guint i, j;
surffile->dfield = gwy_data_field_new(surffile->xres,
surffile->yres,
surffile->xres*surffile->dx,
surffile->yres*surffile->dy,
FALSE);
data = gwy_data_field_get_data(surffile->dfield);
switch (surffile->pointsize) {
case 16:
{
const gint16 *row, *d16 = (const gint16*)buffer;
for (i = 0; i < surffile->xres; i++) {
row = d16 + i*surffile->yres;
for (j = 0; j < surffile->yres; j++)
*(data++) = GINT16_FROM_LE(row[j]) * surffile->dz;
}
}
break;
case 32:
{
const gint32 *row, *d32 = (const gint32*)buffer;
for (i = 0; i < surffile->xres; i++) {
row = d32 + i*surffile->yres;
for (j = 0; j < surffile->yres; j++)
*(data++) = GINT32_FROM_LE(row[j]) * surffile->dz;
}
}
break;
default:
err_BPP(error, surffile->pointsize);
return FALSE;
break;
}
siunit = gwy_si_unit_new("m");
gwy_data_field_set_si_unit_xy(surffile->dfield, siunit);
g_object_unref(siunit);
siunit = gwy_si_unit_new("m");
gwy_data_field_set_si_unit_z(surffile->dfield, siunit);
g_object_unref(siunit);
return TRUE;
}
/* FIXME: We hope Nanoscope files always use little endian, because we only
* have seen them on Intel. */
static gboolean
read_binary_data(gint n, gdouble *data,
gchar *buffer,
gint bpp,
GError **error)
{
gint i;
gdouble q;
q = 1.0/(1 << (8*bpp));
switch (bpp) {
case 1:
for (i = 0; i < n; i++)
data[i] = q*buffer[i];
break;
case 2:
{
gint16 *p = (gint16*)buffer;
for (i = 0; i < n; i++)
data[i] = q*GINT16_FROM_LE(p[i]);
}
break;
case 4:
{
gint32 *p = (gint32*)buffer;
for (i = 0; i < n; i++)
data[i] = q*GINT32_FROM_LE(p[i]);
}
break;
default:
err_BPP(error, bpp);
return FALSE;
break;
}
return TRUE;
}
static gboolean
fill_data_fields(SurfFile *surffile,
const guchar *buffer,
GError **error)
{
gdouble *data;
surffile->dfield = gwy_data_field_new(surffile->xres,
surffile->yres,
surffile->xres*surffile->dx,
surffile->yres*surffile->dy,
FALSE);
data = gwy_data_field_get_data(surffile->dfield);
switch (surffile->pointsize) {
case 16:
gwy_convert_raw_data(buffer, surffile->xres*surffile->yres, 1,
GWY_RAW_DATA_SINT16, GWY_BYTE_ORDER_LITTLE_ENDIAN,
data, surffile->dz, 0.0);
break;
case 32:
gwy_convert_raw_data(buffer, surffile->xres*surffile->yres, 1,
GWY_RAW_DATA_SINT32, GWY_BYTE_ORDER_LITTLE_ENDIAN,
data, surffile->dz, 0.0);
break;
default:
err_BPP(error, surffile->pointsize);
return FALSE;
break;
}
gwy_data_field_set_si_unit_xy(surffile->dfield, surffile->xyunit);
g_object_unref(surffile->xyunit);
gwy_data_field_set_si_unit_z(surffile->dfield, surffile->zunit);
g_object_unref(surffile->zunit);
return TRUE;
}
static gsize
pt3file_read_header(const guchar *buffer,
gsize size,
PicoHarpFile *pt3file,
GError **error)
{
const guchar* (*read_imaging_header)(PicoHarpImagingHeader *header,
const guchar *p);
PicoHarpInstrument instr;
const guchar *p;
guint i, expected_size;
p = buffer;
if (size < HEADER_MIN_SIZE + 2) {
err_TOO_SHORT(error);
return 0;
}
get_CHARARRAY(pt3file->ident, &p);
get_CHARARRAY(pt3file->format_version, &p);
get_CHARARRAY(pt3file->creator_name, &p);
get_CHARARRAY(pt3file->creator_version, &p);
gwy_debug("<%.*s> <%.*s> <%.*s> <%.*s>",
(gint)sizeof(pt3file->ident), pt3file->ident,
(gint)sizeof(pt3file->format_version), pt3file->format_version,
(gint)sizeof(pt3file->creator_name), pt3file->creator_name,
(gint)sizeof(pt3file->creator_version), pt3file->creator_version);
get_CHARARRAY(pt3file->file_time, &p);
get_CHARARRAY(pt3file->crlf, &p);
get_CHARARRAY(pt3file->comment, &p);
if (memcmp(pt3file->ident, MAGIC, MAGIC_SIZE) != 0
|| pt3file->crlf[0] != '\r'
|| pt3file->crlf[1] != '\n') {
err_FILE_TYPE(error, "PicoHarp");
return 0;
}
pt3file->number_of_curves = gwy_get_guint32_le(&p);
gwy_debug("number_of_curves: %u", pt3file->number_of_curves);
pt3file->bits_per_record = gwy_get_guint32_le(&p);
gwy_debug("bits_per_record: %u", pt3file->bits_per_record);
pt3file->routing_channels = gwy_get_guint32_le(&p);
gwy_debug("routing_channels: %u", pt3file->routing_channels);
pt3file->number_of_boards = gwy_get_guint32_le(&p);
gwy_debug("number_of_boards: %u", pt3file->number_of_boards);
if (pt3file->number_of_boards != 1) {
g_warning("Number of boards is %u instead of 1. Reading one.",
pt3file->number_of_boards);
pt3file->number_of_boards = MAX(pt3file->number_of_boards, 1);
if (size < HEADER_MIN_SIZE + BOARD_SIZE*pt3file->number_of_boards) {
g_set_error(error, GWY_MODULE_FILE_ERROR,
GWY_MODULE_FILE_ERROR_DATA,
_("File header is truncated."));
return 0;
}
}
pt3file->active_curve = gwy_get_guint32_le(&p);
pt3file->measurement_mode = gwy_get_guint32_le(&p);
gwy_debug("measurement_mode: %u", pt3file->measurement_mode);
pt3file->sub_mode = gwy_get_guint32_le(&p);
gwy_debug("sub_mode: %u", pt3file->sub_mode);
pt3file->range_no = gwy_get_guint32_le(&p);
pt3file->offset = gwy_get_gint32_le(&p);
pt3file->acquisition_time = gwy_get_guint32_le(&p);
pt3file->stop_at = gwy_get_guint32_le(&p);
pt3file->stop_on_ovfl = gwy_get_guint32_le(&p);
pt3file->restart = gwy_get_guint32_le(&p);
pt3file->display_lin_log = !!gwy_get_guint32_le(&p);
pt3file->display_time_axis_from = gwy_get_guint32_le(&p);
pt3file->display_time_axis_to = gwy_get_guint32_le(&p);
pt3file->display_counts_axis_from = gwy_get_guint32_le(&p);
pt3file->display_counts_axis_to = gwy_get_guint32_le(&p);
for (i = 0; i < G_N_ELEMENTS(pt3file->display_curve); i++) {
pt3file->display_curve[i].map_to = gwy_get_guint32_le(&p);
pt3file->display_curve[i].show = gwy_get_guint32_le(&p);
}
for (i = 0; i < G_N_ELEMENTS(pt3file->auto_param); i++) {
pt3file->auto_param[i].start = gwy_get_gfloat_le(&p);
pt3file->auto_param[i].step = gwy_get_gfloat_le(&p);
pt3file->auto_param[i].end = gwy_get_gfloat_le(&p);
}
pt3file->repeat_mode = gwy_get_guint32_le(&p);
pt3file->repeats_per_curve = gwy_get_guint32_le(&p);
pt3file->repeat_time = gwy_get_guint32_le(&p);
pt3file->repeat_wait_time = gwy_get_guint32_le(&p);
get_CHARARRAY(pt3file->script_name, &p);
p = pt3file_read_board(&pt3file->board, p);
p += BOARD_SIZE*(pt3file->number_of_boards - 1);
pt3file->ext_devices = gwy_get_guint32_le(&p);
pt3file->reserved1 = gwy_get_guint32_le(&p);
pt3file->reserved2 = gwy_get_guint32_le(&p);
pt3file->input0_rate = gwy_get_guint32_le(&p);
pt3file->input1_rate = gwy_get_guint32_le(&p);
pt3file->stop_after = gwy_get_guint32_le(&p);
pt3file->stop_reason = gwy_get_guint32_le(&p);
pt3file->number_of_records = gwy_get_guint32_le(&p);
gwy_debug("number_of_records: %u", pt3file->number_of_records);
pt3file->spec_header_length = 4*gwy_get_guint32_le(&p);
gwy_debug("spec_header_length: %u", pt3file->spec_header_length);
gwy_debug("now at pos 0x%0lx", (gulong)(p - buffer));
if (pt3file->measurement_mode != 2
&& pt3file->measurement_mode != 3) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Measurement mode must be 2 or 3; %u is invalid."),
pt3file->measurement_mode);
return 0;
}
if (pt3file->sub_mode != PICO_HARP_IMAGE) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Only area imaging files are supported."));
return 0;
}
if (pt3file->bits_per_record != 32) {
err_BPP(error, pt3file->bits_per_record);
return 0;
}
pt3file->imaging.common.dimensions = gwy_get_guint32_le(&p);
gwy_debug("imaging dimensions: %u", pt3file->imaging.common.dimensions);
if (pt3file->imaging.common.dimensions != 3) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Only area imaging files are supported."));
return 0;
}
pt3file->imaging.common.instrument = instr = gwy_get_guint32_le(&p);
gwy_debug("imaging instrument: %u", pt3file->imaging.common.instrument);
if (instr == PICO_HARP_PIE710) {
expected_size = IMAGING_PIE710_SIZE;
read_imaging_header = &read_pie710_imaging_header;
}
else if (instr == PICO_HARP_KDT180) {
expected_size = IMAGING_KDT180_SIZE;
read_imaging_header = &read_kdt180_imaging_header;
}
else if (instr == PICO_HARP_LSM) {
expected_size = IMAGING_LSM_SIZE;
read_imaging_header = &read_lsm_imaging_header;
}
else {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Unknown instrument number %u."),
instr);
return 0;
}
if (pt3file->spec_header_length != expected_size) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Wrong imaging header size: %u instead of %u."),
pt3file->spec_header_length, expected_size);
return 0;
}
if ((p - buffer) + expected_size > size) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("File header is truncated."));
return 0;
}
p = read_imaging_header(&pt3file->imaging, p);
gwy_debug("xres: %u", pt3file->imaging.common.xres);
gwy_debug("yres: %u", pt3file->imaging.common.yres);
if (err_DIMENSION(error, pt3file->imaging.common.xres)
|| err_DIMENSION(error, pt3file->imaging.common.xres))
return 0;
return (gsize)(p - buffer);
}
static GwyContainer*
burleigh_exp_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *container = NULL;
gchar *buffer = NULL;
BurleighExpHeader header;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield;
gdouble *data;
guint i, n;
if (!g_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < MIN_FILE_SIZE + 2) {
err_TOO_SHORT(error);
g_free(buffer);
return NULL;
}
if (!burleigh_exp_read_header(&header, buffer, error))
goto fail;
n = header.xres * header.yres;
if (header.binary) {
if (header.bpp != 16) {
err_BPP(error, header.bpp);
goto fail;
}
else if (err_SIZE_MISMATCH(error, header.length + 2*n, size, TRUE))
goto fail;
}
dfield = gwy_data_field_new(header.xres, header.yres,
header.xscale, header.yscale,
FALSE);
data = gwy_data_field_get_data(dfield);
if (header.binary) {
const gint16 *d16 = (const gint16*)(buffer + header.length);
for (i = 0; i < n; i++)
data[i] = GINT16_FROM_LE(d16[i]);
}
else {
gchar *p = buffer + header.length;
for (i = 0; i < n; i++)
data[i] = strtol(p, &p, 10);
}
gwy_data_field_multiply(dfield, header.zscale/32768.0);
/* Units references released in free_header() */
gwy_data_field_set_si_unit_xy(dfield, header.xyunits);
gwy_data_field_set_si_unit_z(dfield, header.zunits);
container = gwy_container_new();
gwy_container_set_object(container, gwy_app_get_data_key_for_id(0), dfield);
g_object_unref(dfield);
gwy_app_channel_title_fall_back(container, 0);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
fail:
free_header(&header);
g_free(buffer);
return container;
}
static GwyContainer*
jeol_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
JEOLImageHeader image_header;
GwyContainer *meta, *container = NULL;
guchar *buffer = NULL;
gsize expected_size, size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
const gchar *title;
gchar *s;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < JEOL_DATA_START) {
err_TOO_SHORT(error);
goto fail;
}
if (memcmp(buffer, MAGIC, MAGIC_SIZE) != 0) {
err_FILE_TYPE(error, "JEOL");
goto fail;
}
jeol_read_image_header(buffer, &image_header);
/* Elementrary sanity */
if (image_header.bpp != 16) {
err_BPP(error, image_header.bpp);
goto fail;
}
if (err_DIMENSION(error, image_header.xres)
|| err_DIMENSION(error, image_header.yres))
goto fail;
expected_size = image_header.bpp/8 * image_header.xres*image_header.yres;
if (err_SIZE_MISMATCH(error, JEOL_DATA_START + expected_size, size, FALSE))
goto fail;
if (image_header.image_type != JEOL_IMAGE || image_header.compressed) {
err_NO_DATA(error);
goto fail;
}
/* Use negated positive conditions to catch NaNs */
if (!((image_header.xreal = fabs(image_header.xreal)) > 0)) {
g_warning("Real x size is 0.0, fixing to 1.0");
image_header.xreal = 1.0;
}
if (!((image_header.yreal = fabs(image_header.yreal)) > 0)) {
g_warning("Real y size is 0.0, fixing to 1.0");
image_header.yreal = 1.0;
}
dfield = jeol_read_data_field(buffer + JEOL_DATA_START, &image_header);
if (!dfield) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("The type of data is unknown. "
"Please report it to the developers."));
goto fail;
}
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
/* Title */
s = g_convert(image_header.internal_filename, -1,
"iso-8859-1", "utf-8", NULL, NULL, NULL);
if (s)
g_strstrip(s);
if (s && *s)
gwy_container_set_string_by_name(container, "/0/data/title", s);
else {
title = gwy_flat_enum_to_string(image_header.data_source,
G_N_ELEMENTS(data_sources),
data_sources, data_sources_name);
if (title)
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup(title));
}
/* Meta */
meta = jeol_get_metadata(&image_header);
gwy_container_set_object_by_name(container, "/0/meta", meta);
g_object_unref(meta);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
fail:
gwy_file_abandon_contents(buffer, size, NULL);
return container;
}
static GwyDataField*
read_datafield(const guchar *buffer,
guint size,
const StmprgFile *stmprgfile,
GError **error)
{
gint xres, yres, bpp;
gdouble xreal, yreal, q;
GwyDataField *dfield;
gdouble *data;
GwySIUnit *unit;
bpp = 2; /* words, always */
xres = stmprgfile->mainfield.points;
yres = stmprgfile->mainfield.lines;
xreal = Angstrom * stmprgfile->mainfield.field_x;
yreal = Angstrom * stmprgfile->mainfield.field_y;
q = stmprgfile->mainfield.sol_z * 1.0e-5; /* 5 ?? */
/* resolution of z value in angstrom/bit, 1.0e-10 */
if (err_SIZE_MISMATCH(error, bpp*xres*yres, size, FALSE))
return NULL;
dfield = gwy_data_field_new(xres, yres, xreal, yreal, FALSE);
data = gwy_data_field_get_data(dfield);
if (!read_binary_ubedata(xres * yres, data, buffer, bpp)) {
err_BPP(error, bpp);
g_object_unref(dfield);
return NULL;
}
gwy_data_field_multiply(dfield, q);
unit = gwy_si_unit_new("m");
gwy_data_field_set_si_unit_xy(dfield, unit);
g_object_unref(unit);
/* Assuming we are reading channel1... */
switch (stmprgfile->control.channel1) {
case STMPRG_CHANNEL_OFF:
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("First channel is switched off."));
return NULL;
case STMPRG_CHANNEL_Z:
unit = gwy_si_unit_new("m");
break;
case STMPRG_CHANNEL_I:
case STMPRG_CHANNEL_I_I0:
case STMPRG_CHANNEL_I0:
unit = gwy_si_unit_new("A");
break;
case STMPRG_CHANNEL_EXT1:
case STMPRG_CHANNEL_EXT2:
case STMPRG_CHANNEL_U0:
unit = gwy_si_unit_new("V");
break;
default:
g_assert_not_reached();
break;
}
gwy_data_field_set_si_unit_z(dfield, unit);
g_object_unref(unit);
return dfield;
}
