static GwyContainer*
spmlab_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
const gchar *title;
gint type;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
/* 2048 is wrong. moreover it differs for r5 and r4, kasigra uses 5752 for
* r5 */
if (size < 2048) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
if (buffer[0] != '#' || buffer[1] != 'R') {
err_FILE_TYPE(error, "Thermicroscopes SpmLab");
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
switch (buffer[2]) {
case '3':
case '4':
case '5':
case '6':
dfield = read_data_field(buffer, size, buffer[2], &type, error);
break;
default:
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Unknown format version %c."), buffer[2]);
break;
}
gwy_file_abandon_contents(buffer, size, NULL);
if (!dfield)
return NULL;
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
title = gwy_enum_to_string(type,
spmlab_channel_types,
G_N_ELEMENTS(spmlab_channel_types));
if (*title)
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup(title));
return container;
}
static GwyContainer*
hitachi_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error,
const gchar *name)
{
GwyContainer *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
GwyDataField *(*do_load)(const guchar*, guint, GError**);
guint header_size;
if (gwy_strequal(name, "hitachi-afm")) {
do_load = &read_data_field;
header_size = HEADER_SIZE;
}
else if (gwy_strequal(name, "hitachi-afm-old")) {
do_load = &read_data_field_old;
header_size = HEADER_SIZE_OLD;
}
else {
g_set_error(error, GWY_MODULE_FILE_ERROR,
GWY_MODULE_FILE_ERROR_UNIMPLEMENTED,
_("Hitachi-AFM has not registered file type `%s'."), name);
return NULL;
}
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < header_size + 2) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
dfield = do_load(buffer, size, error);
gwy_file_abandon_contents(buffer, size, NULL);
if (!dfield)
return NULL;
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup("Topography"));
gwy_app_channel_check_nonsquare(container, 0);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
return container;
}
static gboolean
mif_read_header(const guchar *buffer,
gsize size,
MIFHeader *header,
GError **error)
{
const guchar *p = buffer;
if (size <= HEADER_SIZE) {
err_TOO_SHORT(error);
return FALSE;
}
if (memcmp(buffer, MAGIC, MAGIC_SIZE)) {
err_FILE_TYPE(error, "MIF");
return FALSE;
}
gwy_clear(header, 1);
get_CHARARRAY(header->magic, &p);
header->software_version = gwy_get_guint16_be(&p);
header->file_version = gwy_get_guint16_be(&p);
gwy_debug("sw version: %u.%u, file version: %u.%u",
header->software_version/0x100, header->software_version % 0x100,
header->file_version/0x100, header->file_version % 0x100);
/* Version 1.7 is the only actually implemented. Other can be added upon
* request and, namely, provision of the files as each file version is
* different. */
if (header->file_version != 0x107) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Loading of file version %u.%u is not implemented."),
header->file_version/0x100, header->file_version % 0x100);
return FALSE;
}
get_CHARARRAY(header->time, &p);
get_CHARARRAY(header->comment, &p);
header->nimages = gwy_get_guint16_le(&p);
gwy_debug("n images: %u", header->nimages);
header->info.offset = gwy_get_guint32_le(&p);
header->info.size = gwy_get_guint32_le(&p);
gwy_debug("info offset: %zu, info size: %zu", header->info.offset, header->info.size);
get_CHARARRAY(header->unused, &p);
if (header->info.offset < HEADER_SIZE
|| header->info.offset > size
|| header->info.size > size
|| header->info.offset + header->info.size > size) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("File information block is outside the file."));
return FALSE;
}
return TRUE;
}
static gboolean
sdfile_read_header_bin(const guchar **p,
gsize *len,
SDFile *sdfile,
GError **error)
{
if (*len < SDF_HEADER_SIZE_BIN) {
err_TOO_SHORT(error);
return FALSE;
}
gwy_clear(sdfile, 1);
get_CHARARRAY(sdfile->version, p);
get_CHARARRAY(sdfile->manufacturer, p);
get_CHARARRAY(sdfile->creation, p);
get_CHARARRAY(sdfile->modification, p);
sdfile->xres = gwy_get_guint16_le(p);
sdfile->yres = gwy_get_guint16_le(p);
sdfile->xscale = gwy_get_gdouble_le(p);
sdfile->yscale = gwy_get_gdouble_le(p);
sdfile->zscale = gwy_get_gdouble_le(p);
sdfile->zres = gwy_get_gdouble_le(p);
sdfile->compression = **p;
(*p)++;
sdfile->data_type = **p;
(*p)++;
sdfile->check_type = **p;
(*p)++;
sdfile->data = (gchar*)*p;
if (sdfile->data_type < SDF_NTYPES)
sdfile->expected_size = type_sizes[sdfile->data_type]
* sdfile->xres * sdfile->yres;
else
sdfile->expected_size = -1;
*len -= SDF_HEADER_SIZE_BIN;
return TRUE;
}
static GwyContainer*
ecs_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *meta, *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
gchar *s = NULL, *s2 = NULL;
GwySIUnit *siunit;
const guchar *p;
gdouble *data, *row;
guint xres, yres, i, j;
gdouble xreal, q;
const gint16 *pdata;
guchar c;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
g_clear_error(&err);
return NULL;
}
if (size < HEADER_SIZE + 2) {
err_TOO_SHORT(error);
goto fail;
}
p = buffer + ECS_RESOLUTION;
xres = gwy_get_guint16_le(&p);
yres = gwy_get_guint16_le(&p);
gwy_debug("xres: %u, yres: %u", xres, yres);
if (size != HEADER_SIZE + 2*xres*yres) {
err_SIZE_MISMATCH(error, HEADER_SIZE + 2*xres*yres, size);
goto fail;
}
/* Scan size */
p = buffer + ECS_SCAN_SIZE;
s = get_PASCAL_STRING(&p, HEADER_SIZE - ECS_SCAN_SIZE);
if (!s) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Scan size header field overlaps with data."));
goto fail;
}
gwy_debug("Scan size str: <%s>", s);
if (!g_str_has_prefix(s, "Scan Size: ")) {
err_FILE_TYPE(error, "ECS");
goto fail;
}
if (sscanf(s + strlen("Scan Size: "), "%lf %lf%c", &xreal, &q, &c)
!= 3) {
err_INVALID(error, "Scan Size");
goto fail;
}
g_free(s);
s = NULL;
gwy_debug("xreal: %g q: %g unit: %s",
xreal, q, c == 0x8f ? "Angstrom" : "Nanometer");
if (c == 0x8f) {
xreal *= 1e-10;
q *= 1e-10;
}
else {
xreal *= 1e-9;
q *= 1e-9;
}
q /= 65536.0;
/* This does not make much sense when xres != yres, but it is what
* Snomputz does. */
dfield = gwy_data_field_new(xres, yres, xreal, xreal, FALSE);
data = gwy_data_field_get_data(dfield);
pdata = (const gint16*)(buffer + HEADER_SIZE);
for (i = 0; i < yres; i++) {
row = data + (yres-1 - i)*xres;
for (j = 0; j < xres; j++)
row[j] = GINT16_TO_LE(pdata[i*xres + j])*q;
}
siunit = gwy_si_unit_new("m");
gwy_data_field_set_si_unit_xy(dfield, siunit);
g_object_unref(siunit);
siunit = gwy_si_unit_new("m");
gwy_data_field_set_si_unit_z(dfield, siunit);
g_object_unref(siunit);
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
/* Channel title */
p = buffer + ECS_CHANNEL;
s = get_PASCAL_STRING(&p, HEADER_SIZE - ECS_CHANNEL);
if (!s || !*s)
s = g_strdup("Topography");
gwy_container_set_string_by_name(container, "/0/data/title", s);
s = NULL;
meta = gwy_container_new();
/* Date & time */
p = buffer + ECS_DATE;
s = get_PASCAL_STRING(&p, HEADER_SIZE - ECS_DATE);
if (s) {
p = buffer + ECS_TIME;
s2 = get_PASCAL_STRING(&p, HEADER_SIZE - ECS_TIME);
if (s2) {
gwy_container_set_string_by_name(meta, "Date",
g_strconcat(s, " ", s2, NULL));
g_free(s2);
s2 = NULL;
}
g_free(s);
s = NULL;
}
/* Channel title */
p = buffer + ECS_CHANNEL;
s = get_PASCAL_STRING(&p, HEADER_SIZE - ECS_CHANNEL);
if (s && *s) {
gwy_container_set_string_by_name(meta, "Comment", s);
s = NULL;
}
if (gwy_container_get_n_items(meta))
gwy_container_set_object_by_name(container, "/0/meta", meta);
g_object_unref(meta);
fail:
g_free(s);
g_free(s2);
gwy_object_unref(dfield);
gwy_file_abandon_contents(buffer, size, NULL);
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 GwyContainer*
rhkspm32_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GArray *rhkfile;
RHKPage *rhkpage;
GwyContainer *meta, *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
gsize totalpos, pagesize;
GString *key;
guint i;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < HEADER_SIZE) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
// niv - rhkfile is an array of rhkpage's, but buffer is where the actual
// raw file data is stored
rhkfile = g_array_new(FALSE, TRUE, sizeof(RHKPage));
totalpos = 0;
while (totalpos < size) {
g_array_set_size(rhkfile, rhkfile->len + 1);
rhkpage = &g_array_index(rhkfile, RHKPage, rhkfile->len - 1);
rhkpage->buffer = buffer + totalpos;
// niv - if the header seems illegal, skip all the next ones as well
// (and cancel the element addition to the g_array)
if (!rhkspm32_read_header(rhkpage, &err)) {
g_warning("failed to read rhk header after %u", rhkfile->len);
g_array_set_size(rhkfile, rhkfile->len - 1);
break;
}
pagesize = rhkpage->data_offset
+ rhkpage->item_size*rhkpage->xres*rhkpage->yres;
if (size < totalpos + pagesize) {
rhkspm32_free(rhkpage);
g_array_set_size(rhkfile, rhkfile->len - 1);
break;
}
totalpos += pagesize;
}
/* Be tolerant and don't fail when we were able to import at least
* something */
if (!rhkfile->len) {
if (err)
g_propagate_error(error, err);
else
err_NO_DATA(error);
gwy_file_abandon_contents(buffer, size, NULL);
g_array_free(rhkfile, TRUE);
return NULL;
}
g_clear_error(&err);
container = gwy_container_new();
key = g_string_new(NULL);
for (i = 0; i < rhkfile->len; i++) {
const gchar *cs;
gchar *s;
gwy_debug("rhk-spm32: processing page %d of %d\n", i+1, rhkfile->len);
rhkpage = &g_array_index(rhkfile, RHKPage, i);
if (rhkpage->type == RHK_TYPE_IMAGE) { // niv - just leaving this alone
dfield = rhkspm32_read_data(rhkpage);
g_string_printf(key, "/%d/data", i);
gwy_container_set_object_by_name(container, key->str, dfield);
g_object_unref(dfield);
g_string_append(key, "/title");
cs = gwy_enum_to_string(rhkpage->scan,
scan_directions,
G_N_ELEMENTS(scan_directions));
if (rhkpage->label) {
if (cs)
s = g_strdup_printf("%s [%s]", rhkpage->label, cs);
else
s = g_strdup(rhkpage->label);
gwy_container_set_string_by_name(container, key->str, s);
}
else
gwy_app_channel_title_fall_back(container, i);
gwy_file_channel_import_log_add(container, i, NULL,
filename);
}
else if (rhkpage->type == RHK_TYPE_LINE) { // niv - after omicron.c
GwySpectra* spectra;
GwyGraphModel *gmodel;
spectra = rhkspm32_read_spectra(rhkpage);
/* converting to graphs, as there is no point in leaving these as
* sps - no xy coordinates, so the spectro tool is kinda clueless */
gwy_debug("processing graph in page %d\n", i);
if ((gmodel = spectra_to_graph(spectra)) != NULL) {
gchar *container_key = NULL;
/* add gmodel to container */
container_key = g_strdup_printf("%s/%d", GRAPH_PREFIX, i);
gwy_container_set_object_by_name(container, container_key,
gmodel);
g_free(container_key);
}
g_object_unref(gmodel);
g_object_unref(spectra);
}
gwy_debug("rhk-spm32: finished parsing page %d \n", i);
meta = rhkspm32_get_metadata(rhkpage);
if (rhkpage->type == RHK_TYPE_IMAGE) {
/* this doesn't really work, but at least the meta data stays
with the graph, even if the metadata viewer won't show it*/
g_string_printf(key, "/%d/meta", i);
}
else if (rhkpage->type == RHK_TYPE_LINE) {
g_string_printf(key, "%s/%d/meta", GRAPH_PREFIX, i);
}
gwy_container_set_object_by_name(container, key->str, meta);
g_object_unref(meta);
}
g_string_free(key, TRUE);
gwy_file_abandon_contents(buffer, size, NULL);
for (i = 0; i < rhkfile->len; i++)
rhkspm32_free(&g_array_index(rhkfile, RHKPage, i));
g_array_free(rhkfile, TRUE);
return container;
}
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;
}
/* NB: Buffer must be writable and nul-terminated, its initial part is
* overwritten */
static gboolean
sdfile_read_header_text(gchar **buffer,
gsize *len,
SDFile *sdfile,
GError **error)
{
gchar *val, *p;
/* We do not need exact lenght of the minimum file */
if (*len < SDF_MIN_TEXT_SIZE) {
err_TOO_SHORT(error);
return FALSE;
}
gwy_clear(sdfile, 1);
p = *buffer;
val = g_strstrip(gwy_str_next_line(&p));
strncpy(sdfile->version, val, sizeof(sdfile->version));
READ_STRING(p, "ManufacID", val, sdfile->manufacturer, error)
READ_STRING(p, "CreateDate", val, sdfile->creation, error)
READ_STRING(p, "ModDate", val, sdfile->modification, error)
READ_INT(p, "NumPoints", val, sdfile->xres, TRUE, error)
READ_INT(p, "NumProfiles", val, sdfile->yres, TRUE, error)
READ_FLOAT(p, "Xscale", val, sdfile->xscale, TRUE, error)
READ_FLOAT(p, "Yscale", val, sdfile->yscale, TRUE, error)
READ_FLOAT(p, "Zscale", val, sdfile->zscale, TRUE, error)
READ_FLOAT(p, "Zresolution", val, sdfile->zres, FALSE, error)
READ_INT(p, "Compression", val, sdfile->compression, FALSE, error)
READ_INT(p, "DataType", val, sdfile->data_type, FALSE, error)
READ_INT(p, "CheckType", val, sdfile->check_type, FALSE, error)
/* at least */
if (sdfile->data_type < SDF_NTYPES)
sdfile->expected_size = 2*sdfile->xres * sdfile->yres;
else
sdfile->expected_size = -1;
/* Skip possible extra header lines */
do {
val = gwy_str_next_line(&p);
if (!val)
break;
val = g_strstrip(val);
if (g_ascii_isalpha(val[0])) {
gwy_debug("Extra header line: <%s>\n", val);
}
} while (val[0] == ';' || g_ascii_isalpha(val[0]));
if (!val || *val != '*') {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Missing data start marker (*)."));
return FALSE;
}
*buffer = p;
*len -= p - *buffer;
sdfile->data = (gchar*)*buffer;
return TRUE;
}
static gboolean
mprofile_read_header(const guchar *buffer,
gsize size,
MProFile *mprofile,
GError **error)
{
const guchar *p;
guint i;
p = buffer;
if (size < HEADER_SIZE + 2) {
err_TOO_SHORT(error);
return FALSE;
}
get_CHARARRAY(mprofile->magic, &p);
if (memcmp(mprofile->magic, MAGIC, MAGIC_SIZE) != 0) {
err_FILE_TYPE(error, "MetroPro");
return FALSE;
}
mprofile->header_format = gwy_get_guint16_be(&p);
if (mprofile->header_format != 1) {
err_UNSUPPORTED(error, "FormatVersion");
return FALSE;
}
mprofile->header_size = gwy_get_guint32_be(&p);
gwy_debug("header_format: %d, header_size: %d",
mprofile->header_format, mprofile->header_size);
if (mprofile->header_size < 570) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("File header is too short."));
return FALSE;
}
if (mprofile->header_size > size) {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("File header is larger than file."));
return FALSE;
}
mprofile->software_type = gwy_get_guint16_be(&p);
get_CHARARRAY0(mprofile->software_date, &p);
gwy_debug("software_type: %d, software_date: %s",
mprofile->software_type, mprofile->software_date);
mprofile->version_major = gwy_get_guint16_be(&p);
mprofile->version_minor = gwy_get_guint16_be(&p);
mprofile->version_micro = gwy_get_guint16_be(&p);
gwy_debug("version: %d.%d.%d",
mprofile->version_major,
mprofile->version_minor,
mprofile->version_micro);
mprofile->intens_xoff = gwy_get_guint16_be(&p);
mprofile->intens_yoff = gwy_get_guint16_be(&p);
mprofile->intens_xres = gwy_get_guint16_be(&p);
mprofile->intens_yres = gwy_get_guint16_be(&p);
gwy_debug("INTENS xres: %d, yres: %d, xoff: %d, yoff: %d",
mprofile->intens_xres, mprofile->intens_yres,
mprofile->intens_xoff, mprofile->intens_yoff);
mprofile->nbuckets = gwy_get_guint16_be(&p);
mprofile->intens_range = gwy_get_guint16_be(&p);
mprofile->intens_nbytes = gwy_get_guint32_be(&p);
gwy_debug("intens_nbytes: %d, expecting: %d",
mprofile->intens_nbytes,
2*mprofile->intens_xres*mprofile->intens_yres*mprofile->nbuckets);
mprofile->phase_xoff = gwy_get_guint16_be(&p);
mprofile->phase_yoff = gwy_get_guint16_be(&p);
mprofile->phase_xres = gwy_get_guint16_be(&p);
mprofile->phase_yres = gwy_get_guint16_be(&p);
gwy_debug("PHASE xres: %d, yres: %d, xoff: %d, yoff: %d",
mprofile->phase_xres, mprofile->phase_yres,
mprofile->phase_xoff, mprofile->phase_yoff);
mprofile->phase_nbytes = gwy_get_guint32_be(&p);
gwy_debug("phase_nbytes: %d, expecting: %d",
mprofile->phase_nbytes,
4*mprofile->phase_xres*mprofile->phase_yres);
mprofile->timestamp = gwy_get_guint32_be(&p);
get_CHARARRAY0(mprofile->comment, &p);
gwy_debug("comment: %s", mprofile->comment);
mprofile->source = gwy_get_guint16_be(&p);
mprofile->scale_factor = gwy_get_gfloat_be(&p);
mprofile->wavelength_in = gwy_get_gfloat_be(&p);
mprofile->numeric_aperture = gwy_get_gfloat_be(&p);
mprofile->obliquity_factor = gwy_get_gfloat_be(&p);
mprofile->magnification = gwy_get_gfloat_be(&p);
mprofile->camera_res = gwy_get_gfloat_be(&p);
mprofile->acquire_mode = gwy_get_guint16_be(&p);
gwy_debug("acquire_mode: %d", mprofile->acquire_mode);
mprofile->intens_avgs = gwy_get_guint16_be(&p);
if (!mprofile->intens_avgs)
mprofile->intens_avgs = 1;
mprofile->pzt_cal = gwy_get_guint16_be(&p);
mprofile->pzt_gain_tolerance = gwy_get_guint16_be(&p);
mprofile->pzt_gain = gwy_get_guint16_be(&p);
mprofile->part_thickness = gwy_get_gfloat_be(&p);
mprofile->agc = gwy_get_guint16_be(&p);
mprofile->target_range = gwy_get_gfloat_be(&p);
p += 2;
mprofile->min_mod = gwy_get_guint32_be(&p);
mprofile->min_mod_pts = gwy_get_guint32_be(&p);
mprofile->phase_res = gwy_get_guint16_be(&p);
mprofile->min_area_size = gwy_get_guint32_be(&p);
mprofile->discont_action = gwy_get_guint16_be(&p);
mprofile->discont_filter = gwy_get_gfloat_be(&p);
mprofile->connection_order = gwy_get_guint16_be(&p);
mprofile->data_inverted = gwy_get_guint16_be(&p);
mprofile->camera_width = gwy_get_guint16_be(&p);
mprofile->camera_height = gwy_get_guint16_be(&p);
mprofile->system_type = gwy_get_guint16_be(&p);
mprofile->system_board = gwy_get_guint16_be(&p);
mprofile->system_serial = gwy_get_guint16_be(&p);
mprofile->instrument_id = gwy_get_guint16_be(&p);
get_CHARARRAY0(mprofile->objective_name, &p);
get_CHARARRAY0(mprofile->part_num, &p);
gwy_debug("part_num: %s", mprofile->part_num);
mprofile->code_vtype = gwy_get_guint16_be(&p);
mprofile->phase_avgs = gwy_get_guint16_be(&p);
mprofile->subtract_sys_err = gwy_get_guint16_be(&p);
p += 16;
get_CHARARRAY0(mprofile->part_ser_num, &p);
mprofile->refactive_index = gwy_get_gfloat_be(&p);
mprofile->remove_tilt_bias = gwy_get_guint16_be(&p);
mprofile->remove_fringes = gwy_get_guint16_be(&p);
mprofile->max_area_size = gwy_get_guint32_be(&p);
mprofile->setup_type = gwy_get_guint16_be(&p);
p += 2;
mprofile->pre_connect_filter = gwy_get_gfloat_be(&p);
mprofile->wavelength2 = gwy_get_gfloat_be(&p);
mprofile->wavelength_fold = gwy_get_guint16_be(&p);
mprofile->wavelength1 = gwy_get_gfloat_be(&p);
mprofile->wavelength3 = gwy_get_gfloat_be(&p);
mprofile->wavelength4 = gwy_get_gfloat_be(&p);
get_CHARARRAY0(mprofile->wavelength_select, &p);
mprofile->fda_res = gwy_get_guint16_be(&p);
get_CHARARRAY0(mprofile->scan_description, &p);
gwy_debug("scan_description: %s", mprofile->scan_description);
mprofile->nfiducials = gwy_get_guint16_be(&p);
for (i = 0; i < G_N_ELEMENTS(mprofile->fiducials); i++)
mprofile->fiducials[i] = gwy_get_gfloat_be(&p);
mprofile->pixel_width = gwy_get_gfloat_be(&p);
mprofile->pixel_height = gwy_get_gfloat_be(&p);
mprofile->exit_pupil_diam = gwy_get_gfloat_be(&p);
mprofile->light_level_pct = gwy_get_gfloat_be(&p);
mprofile->coords_state = gwy_get_guint32_be(&p);
mprofile->xpos = gwy_get_gfloat_be(&p);
mprofile->ypos = gwy_get_gfloat_be(&p);
mprofile->zpos = gwy_get_gfloat_be(&p);
mprofile->xrot = gwy_get_gfloat_be(&p);
mprofile->yrot = gwy_get_gfloat_be(&p);
mprofile->zrot = gwy_get_gfloat_be(&p);
mprofile->coherence_mode = gwy_get_guint16_be(&p);
mprofile->surface_filter = gwy_get_guint16_be(&p);
get_CHARARRAY0(mprofile->sys_err_file, &p);
get_CHARARRAY0(mprofile->zoom_desc, &p);
return TRUE;
}
static GwyContainer*
surffile_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
SurfFile surffile;
GwyContainer *meta, *container = NULL;
guchar *buffer = NULL;
const guchar *p;
gsize expected_size, size = 0;
GError *err = NULL;
gchar signature[12];
gdouble max, min;
gint add = 0;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
g_clear_error(&err);
return NULL;
}
if (size < SURF_HEADER_SIZE + 2) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
p = buffer;
get_CHARARRAY(signature, &p);
if (strncmp(signature, "DIGITAL SURF", 12) != 0) {
err_FILE_TYPE(error, "Surf");
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
surffile.format = gwy_get_guint16_le(&p);
surffile.nobjects = gwy_get_guint16_le(&p);
surffile.version = gwy_get_guint16_le(&p);
surffile.type = gwy_get_guint16_le(&p);
get_CHARS0(surffile.object_name, &p, 30);
get_CHARS0(surffile.operator_name, &p, 30);
surffile.material_code = gwy_get_guint16_le(&p);
surffile.acquisition = gwy_get_guint16_le(&p);
surffile.range = gwy_get_guint16_le(&p);
surffile.special_points = gwy_get_guint16_le(&p);
surffile.absolute = gwy_get_guint16_le(&p);
/*reserved*/
p += 8;
surffile.pointsize = gwy_get_guint16_le(&p);
surffile.zmin = gwy_get_gint32_le(&p);
surffile.zmax = gwy_get_gint32_le(&p);
surffile.xres = gwy_get_gint32_le(&p);
surffile.yres = gwy_get_gint32_le(&p);
surffile.nofpoints = gwy_get_guint32_le(&p);
surffile.dx = gwy_get_gfloat_le(&p);
surffile.dy = gwy_get_gfloat_le(&p);
surffile.dz = gwy_get_gfloat_le(&p);
get_CHARS0(surffile.xaxis, &p, 16);
get_CHARS0(surffile.yaxis, &p, 16);
get_CHARS0(surffile.zaxis, &p, 16);
get_CHARS0(surffile.dx_unit, &p, 16);
get_CHARS0(surffile.dy_unit, &p, 16);
get_CHARS0(surffile.dz_unit, &p, 16);
get_CHARS0(surffile.xlength_unit, &p, 16);
get_CHARS0(surffile.ylength_unit, &p, 16);
get_CHARS0(surffile.zlength_unit, &p, 16);
surffile.xunit_ratio = gwy_get_gfloat_le(&p);
surffile.yunit_ratio = gwy_get_gfloat_le(&p);
surffile.zunit_ratio = gwy_get_gfloat_le(&p);
surffile.imprint = gwy_get_guint16_le(&p);
surffile.inversion = gwy_get_guint16_le(&p);
surffile.leveling = gwy_get_guint16_le(&p);
p += 12;
surffile.seconds = gwy_get_guint16_le(&p);
surffile.minutes = gwy_get_guint16_le(&p);
surffile.hours = gwy_get_guint16_le(&p);
surffile.day = gwy_get_guint16_le(&p);
surffile.month = gwy_get_guint16_le(&p);
surffile.year = gwy_get_guint16_le(&p);
surffile.measurement_duration = gwy_get_guint16_le(&p);
surffile.comment_size = gwy_get_guint16_le(&p);
surffile.private_size = gwy_get_guint16_le(&p);
get_CHARARRAY(surffile.client_zone, &p);
surffile.XOffset = gwy_get_gfloat_le(&p);
surffile.YOffset = gwy_get_gfloat_le(&p);
surffile.ZOffset = gwy_get_gfloat_le(&p);
gwy_debug("fileformat: %d, n_of_objects: %d, "
"version: %d, object_type: %d",
surffile.format, surffile.nobjects,
surffile.version, surffile.type);
gwy_debug("object name: <%s>", surffile.object_name);
gwy_debug("operator name: <%s>", surffile.operator_name);
gwy_debug("material code: %d, acquisition type: %d",
surffile.material_code, surffile.acquisition);
gwy_debug("range type: %d, special points: %d, absolute: %d",
surffile.range,
surffile.special_points, (gint)surffile.absolute);
gwy_debug("data point size: %d", surffile.pointsize);
gwy_debug("zmin: %d, zmax: %d", surffile.zmin, surffile.zmax);
gwy_debug("xres: %d, yres: %d (xres*yres = %d)",
surffile.xres, surffile.yres, (surffile.xres*surffile.yres));
gwy_debug("total number of points: %d", surffile.nofpoints);
gwy_debug("dx: %g, dy: %g, dz: %g",
surffile.dx, surffile.dy, surffile.dz);
gwy_debug("X axis name: %16s", surffile.xaxis);
gwy_debug("Y axis name: %16s", surffile.yaxis);
gwy_debug("Z axis name: %16s", surffile.zaxis);
gwy_debug("dx unit: %16s", surffile.dx_unit);
gwy_debug("dy unit: %16s", surffile.dy_unit);
gwy_debug("dz unit: %16s", surffile.dz_unit);
gwy_debug("X axis unit: %16s", surffile.xlength_unit);
gwy_debug("Y axis unit: %16s", surffile.ylength_unit);
gwy_debug("Z axis unit: %16s", surffile.zlength_unit);
gwy_debug("xunit_ratio: %g, yunit_ratio: %g, zunit_ratio: %g",
surffile.xunit_ratio, surffile.yunit_ratio, surffile.zunit_ratio);
gwy_debug("imprint: %d, inversion: %d, leveling: %d",
surffile.imprint, surffile.inversion, surffile.leveling);
gwy_debug("Time: %d:%d:%d, Date: %d.%d.%d",
surffile.hours, surffile.minutes, surffile.seconds,
surffile.day, surffile.month, surffile.year);
gwy_debug("private zone size: %d, comment size %d",
surffile.private_size, surffile.comment_size);
expected_size = (SURF_HEADER_SIZE
+ surffile.pointsize/8*surffile.xres*surffile.yres);
if (expected_size != size) {
gwy_debug("Size mismatch!");
if (size > expected_size) add = size - expected_size; /*TODO correct this !*/
else {
err_SIZE_MISMATCH(error, expected_size, size);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
}
p = buffer + SURF_HEADER_SIZE + add;
if (!fill_data_fields(&surffile, p, error)) {
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
if (!surffile.absolute) {
max = gwy_data_field_get_max(surffile.dfield);
min = gwy_data_field_get_min(surffile.dfield);
gwy_data_field_add(surffile.dfield, -min);
gwy_data_field_multiply(surffile.dfield,
(surffile.zmax - surffile.zmin)/(max-min));
}
switch (surffile.inversion) {
case SURF_INV_Z:
gwy_data_field_invert(surffile.dfield, FALSE, FALSE, TRUE);
break;
case SURF_FLIP_Z:
gwy_data_field_invert(surffile.dfield, FALSE, TRUE, TRUE);
break;
case SURF_FLOP_Z:
gwy_data_field_invert(surffile.dfield, TRUE, FALSE, TRUE);
break;
default:
break;
}
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", surffile.dfield);
g_object_unref(surffile.dfield);
meta = surffile_get_metadata(&surffile);
gwy_container_set_object_by_name(container, "/0/meta", meta);
g_object_unref(meta);
gwy_app_channel_check_nonsquare(container, 0);
return container;
}
static GwyContainer*
lif_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *container = NULL;
LIFHeader *header = NULL;
LIFMemBlock *memblock = NULL;
LIFFile *file = NULL;
LIFElement *element = NULL;
LIFDimension *dimension = NULL;
LIFChannel *channel = NULL;
gsize size = 0, memblock_size = 0;
gint64 remaining = 0;
gchar *buffer;
const guchar *p;
GError *err = NULL;
GwyDataField *dfield = NULL;
GwyBrick *brick = NULL;
gdouble *data = NULL;
gint i, j, channelno = 0, volumeno = 0;
gchar *strkey, *lutname;
GMarkupParser parser = {
header_start_element,
header_end_element,
header_parse_text, NULL, NULL
};
GMarkupParseContext *context;
XMLParserData *xmldata;
gint x, xres, xstep, y, yres, ystep, z, zres, zstep, offset, res;
gdouble xreal, yreal, zreal, xoffset, yoffset, zoffset;
gdouble zscale = 1.0, wscale = 1.0;
GwySIUnit *siunitxy = NULL, *siunitz = NULL;
GwySIUnit *siunitx = NULL, *siunity = NULL, *siunitw = NULL;
gint power10xy = 1;
gint power10x = 1, power10y = 1, power10z = 1, power10w = 1;
if (!g_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
goto fail;
}
if (size < 13) { /* header too short */
err_TOO_SHORT(error);
goto fail;
}
p = buffer;
remaining = size;
header = g_new0(LIFHeader, 1);
header->magic = gwy_get_gint32_le(&p);
gwy_debug("Magic = %d", header->magic);
header->size = gwy_get_guint32_le(&p);
gwy_debug("Size = %d", header->size);
header->testcode = *(p++);
gwy_debug("Testcode = 0x%x", header->testcode);
if (header->testcode != TESTCODE) {
err_FILE_TYPE(error, "Leica LIF");
goto fail;
}
header->xmllen = gwy_get_guint32_le(&p);
gwy_debug("XML length = %d", header->xmllen);
if (size < 13 + header->xmllen * 2) {
err_TOO_SHORT(error);
goto fail;
}
remaining -= 13;
header->xmlheader = g_convert((const gchar*)p, 2 * header->xmllen,
"UTF-8", "UTF-16", NULL, NULL, NULL);
p += header->xmllen * 2;
remaining -= header->xmllen * 2;
// gwy_debug("%s", header->xmlheader);
/* Parse XML header */
xmldata = g_new0(XMLParserData, 1);
xmldata->file = g_new0(LIFFile, 1);
xmldata->file->elements = g_array_new(FALSE, TRUE,
sizeof(LIFElement));
xmldata->elements = g_ptr_array_new();
context = g_markup_parse_context_new(&parser,
G_MARKUP_TREAT_CDATA_AS_TEXT,
(gpointer)xmldata,
NULL);
if (!g_markup_parse_context_parse(context, header->xmlheader, -1, &err)
|| !g_markup_parse_context_end_parse(context, &err)) {
error = &err;
g_clear_error(&err);
}
g_markup_parse_context_free(context);
file = xmldata->file;
file->header = header;
g_ptr_array_free(xmldata->elements, TRUE);
g_free(xmldata);
/* Reading memblocks */
file->memblocks = g_hash_table_new(g_str_hash, g_str_equal);
while (remaining > 0) {
memblock = lif_read_memblock(p, &memblock_size, file->version);
if (!memblock) {
break;
}
remaining -= memblock_size;
if (remaining >= 0) {
gwy_debug("remaining = %" G_GUINT64_FORMAT "", remaining);
p += memblock_size;
g_hash_table_insert(file->memblocks, memblock->memid,
memblock);
}
}
container = gwy_container_new();
for (i = 0; i < file->elements->len; i++) {
element = &g_array_index(file->elements, LIFElement, i);
if ((element->dimensions == NULL)
|| (element->channels == NULL)) {
gwy_debug("Empty element");
continue;
}
gwy_debug("Dimensions = %d channels=%d",
element->dimensions->len,
element->channels->len);
gwy_debug("memid=%s", element->memid);
/* check if we can load this type of data into
* Gwyddion structures */
res = 0;
if ((element->dimensions->len != 2)
&& (element->dimensions->len != 3)) {
/* check for case ndim == 4 && res == 1 */
for (i = 0; i < element->dimensions->len; i++) {
dimension = &g_array_index(element->dimensions,
LIFDimension, i);
xres = dimension->res;
gwy_debug("dim[%d].res=%d", i, xres);
if (i == 2) {
res = xres;
}
}
if ((element->dimensions->len == 4) && (res == 1)) {
gwy_debug("4D volume");
}
else {
gwy_debug("not loading");
continue;
}
}
memblock = (LIFMemBlock *)g_hash_table_lookup(file->memblocks,
element->memid);
if (!memblock) {
gwy_debug("Failed to locate memblock with key %s",
element->memid);
continue;
}
p = memblock->data;
if (element->dimensions->len == 2) { /* Image */
for (j = 0; j < element->channels->len; j++) {
dimension = &g_array_index(element->dimensions,
LIFDimension, 0);
xres = dimension->res;
xreal = dimension->length;
xoffset = dimension->origin;
xstep = dimension->bytesinc;
siunitxy = gwy_si_unit_new_parse(dimension->unit,
&power10xy);
dimension = &g_array_index(element->dimensions,
LIFDimension, 1);
yres = dimension->res;
yreal = dimension->length;
yoffset = dimension->origin;
ystep = dimension->bytesinc;
if (xreal <= 0.0)
xreal = 1.0;
if (yreal <= 0.0)
yreal = 1.0;
channel = &g_array_index(element->channels,
LIFChannel, j);
offset = channel->bytesinc;
siunitz = gwy_si_unit_new_parse(channel->unit,
&power10z);
zscale = pow10(power10z);
if (offset + (xres - 1) * xstep + (yres - 1)* ystep
> memblock->memsize) {
gwy_debug("Memblock too small");
gwy_debug("%d %" G_GUINT64_FORMAT "",
offset + (xres-1)*xstep + (yres-1)*ystep,
memblock->memsize);
err_SIZE_MISMATCH(error,
memblock->memsize,
offset+(xres-1)*xstep
+(yres-1)*ystep,
FALSE);
goto fail;
}
dfield = gwy_data_field_new(xres, yres,
xreal*pow10(power10xy),
yreal*pow10(power10xy),
TRUE);
gwy_data_field_set_xoffset(dfield,
xoffset*pow10(power10xy));
gwy_data_field_set_yoffset(dfield,
yoffset*pow10(power10xy));
data = gwy_data_field_get_data(dfield);
for (y = 0; y < yres; y++)
for (x = 0; x < xres; x++) {
*(data++) = zscale
* (gdouble)*(p + offset + x*xstep + y*ystep);
}
if (siunitxy) {
gwy_data_field_set_si_unit_xy(dfield, siunitxy);
g_object_unref(siunitxy);
}
if (siunitz) {
gwy_data_field_set_si_unit_z(dfield, siunitz);
g_object_unref(siunitz);
}
strkey = g_strdup_printf("/%d/data", channelno);
gwy_container_set_object_by_name(container,
strkey,
dfield);
g_object_unref(dfield);
g_free(strkey);
if (element->name) {
strkey = g_strdup_printf("/%d/data/title",
channelno);
gwy_container_set_string_by_name(container, strkey,
g_strdup(element->name));
g_free(strkey);
}
if (element->metadata) {
strkey = g_strdup_printf("/%d/meta",
channelno);
gwy_container_set_object_by_name(container,
strkey,
element->metadata);
g_free(strkey);
}
if (channel->lut) {
lutname = NULL;
if (gwy_strequal(channel->lut, "Red"))
lutname = g_strdup_printf("RGB-Red");
else if (gwy_strequal(channel->lut, "Green"))
lutname = g_strdup_printf("RGB-Green");
else if (gwy_strequal(channel->lut, "Blue"))
lutname = g_strdup_printf("RGB-Blue");
else if (gwy_strequal(channel->lut, "Gray"))
lutname = g_strdup_printf("Gray");
if (lutname) {
strkey = g_strdup_printf("/%u/base/palette",
channelno);
gwy_container_set_string_by_name(container,
strkey,
lutname);
g_free(strkey);
}
}
gwy_file_channel_import_log_add(container, channelno,
NULL, filename);
channelno++;
}
}
else if ((element->dimensions->len == 3)
|| ((element->dimensions->len == 4) && (res == 1))) {
/* Volume */
for (j = 0; j < element->channels->len; j++) {
dimension = &g_array_index(element->dimensions,
LIFDimension, 0);
xres = dimension->res;
xreal = dimension->length;
xoffset = dimension->origin;
xstep = dimension->bytesinc;
siunitx = gwy_si_unit_new_parse(dimension->unit,
&power10x);
dimension = &g_array_index(element->dimensions,
LIFDimension, 1);
yres = dimension->res;
yreal = dimension->length;
yoffset = dimension->origin;
ystep = dimension->bytesinc;
siunity = gwy_si_unit_new_parse(dimension->unit,
&power10y);
if (element->dimensions->len == 3) {
dimension = &g_array_index(element->dimensions,
LIFDimension, 2);
}
else {
dimension = &g_array_index(element->dimensions,
LIFDimension, 3);
}
zres = dimension->res;
zreal = dimension->length;
zoffset = dimension->origin;
zstep = dimension->bytesinc;
siunitz = gwy_si_unit_new_parse(dimension->unit,
&power10z);
channel = &g_array_index(element->channels,
LIFChannel, j);
offset = channel->bytesinc;
siunitw = gwy_si_unit_new_parse(channel->unit,
&power10w);
wscale = pow10(power10w);
if (offset
+ (xres-1)*xstep + (yres-1)*ystep + (zres-1)*zstep
> memblock->memsize) {
gwy_debug("Memblock too small");
gwy_debug("%d %" G_GUINT64_FORMAT "",
offset + (xres-1)*xstep
+ (yres-1)*ystep + (zres-1)*zstep,
memblock->memsize);
err_SIZE_MISMATCH(error,
memblock->memsize,
offset + (xres-1)*xstep
+ (yres-1)*ystep + (zres-1)*zstep,
FALSE);
goto fail;
}
brick = gwy_brick_new(xres, yres, zres,
xreal*pow10(power10x),
yreal*pow10(power10y),
zreal*pow10(power10z),
TRUE);
gwy_brick_set_xoffset(brick, xoffset*pow10(power10x));
gwy_brick_set_yoffset(brick, yoffset*pow10(power10y));
gwy_brick_set_zoffset(brick, zoffset*pow10(power10z));
data = gwy_brick_get_data(brick);
for (z = 0; z < zres; z++)
for (y = 0; y < yres; y++)
for (x = 0; x < xres; x++) {
*(data++) = wscale * (gdouble)*(p + offset
+ x*xstep + y*ystep + z*zstep);
}
if (siunitx) {
gwy_brick_set_si_unit_x(brick, siunitx);
g_object_unref(siunitx);
}
if (siunity) {
gwy_brick_set_si_unit_y(brick, siunity);
g_object_unref(siunity);
}
if (siunitz) {
gwy_brick_set_si_unit_z(brick, siunitz);
g_object_unref(siunitz);
}
if (siunitw) {
gwy_brick_set_si_unit_w(brick, siunitw);
g_object_unref(siunitw);
}
strkey = g_strdup_printf("/brick/%d", volumeno);
gwy_container_set_object_by_name(container,
strkey,
brick);
g_free(strkey);
if (element->name) {
strkey = g_strdup_printf("/brick/%d/title",
volumeno);
gwy_container_set_string_by_name(container, strkey,
g_strdup(element->name));
g_free(strkey);
}
if (element->metadata) {
strkey = g_strdup_printf("/brick/%d/meta",
volumeno);
gwy_container_set_object_by_name(container,
strkey,
element->metadata);
g_free(strkey);
}
if (channel->lut) {
lutname = NULL;
if (gwy_strequal(channel->lut, "Red"))
lutname = g_strdup_printf("RGB-Red");
else if (gwy_strequal(channel->lut, "Green"))
lutname = g_strdup_printf("RGB-Green");
else if (gwy_strequal(channel->lut, "Blue"))
lutname = g_strdup_printf("RGB-Blue");
else if (gwy_strequal(channel->lut, "Gray"))
lutname = g_strdup_printf("Gray");
if (lutname) {
strkey = g_strdup_printf("/brick/%d/preview/palette",
volumeno);
gwy_container_set_string_by_name(container,
strkey,
lutname);
g_free(strkey);
}
}
dfield = gwy_data_field_new(xres, yres,
xreal, yreal, FALSE);
gwy_brick_mean_plane(brick, dfield,
0, 0, 0,
xres, yres, -1, FALSE);
strkey = g_strdup_printf("/brick/%d/preview",
volumeno);
gwy_container_set_object_by_name(container,
strkey,
dfield);
g_free(strkey);
g_object_unref(brick);
g_object_unref(dfield);
gwy_file_volume_import_log_add(container, volumeno,
NULL, filename);
volumeno++;
} /* for (channels) */
} /* if (volume) */
}
fail:
/* freeing all stuff */
if (file) {
if (file->memblocks) {
g_hash_table_foreach_remove(file->memblocks,
lif_remove_memblock,
NULL);
g_hash_table_unref(file->memblocks);
}
if (file->elements) {
for (i = 0; i < file->elements->len; i++) {
element = &g_array_index(file->elements, LIFElement, i);
if (element->dimensions) {
for (j = 0; j < element->dimensions->len; j++) {
dimension = &g_array_index(element->dimensions,
LIFDimension, j);
if (dimension->unit)
g_free(dimension->unit);
}
g_array_free(element->dimensions, TRUE);
}
if (element->channels) {
for (j = 0; j < element->channels->len; j++) {
channel = &g_array_index(element->channels,
LIFChannel, j);
if (channel->unit)
g_free(channel->unit);
if (channel->lut)
g_free(channel->lut);
}
g_array_free(element->channels, TRUE);
}
if (element->name)
g_free(element->name);
if (element->memid)
g_free(element->memid);
if (element->metadata)
g_object_unref(element->metadata);
}
g_array_free(file->elements, TRUE);
}
g_free(file);
}
if (header->xmlheader)
g_free(header->xmlheader);
if (header) {
g_free(header);
}
return container;
}
static GwyContainer*
rhk_sm3_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GPtrArray *rhkfile;
RHKPage *rhkpage;
GwyContainer *meta, *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
const guchar *p;
GString *key;
guint i, count;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < HEADER_SIZE) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
rhkfile = g_ptr_array_new();
p = buffer;
count = 0;
gwy_debug("position %04x", p - buffer);
while ((rhkpage = rhk_sm3_read_page(&p, &size, &err))) {
gwy_debug("Page #%u read OK", count);
count++;
rhkpage->pageno = count;
gwy_debug("position %04x", p - buffer);
if (rhkpage->type != RHK_TYPE_IMAGE) {
gwy_debug("Page is not IMAGE, skipping");
rhk_sm3_page_free(rhkpage);
continue;
}
g_ptr_array_add(rhkfile, rhkpage);
}
/* Be tolerant and don't fail when we were able to import at least
* something */
if (!rhkfile->len) {
if (err)
g_propagate_error(error, err);
else
err_NO_DATA(error);
gwy_file_abandon_contents(buffer, size, NULL);
g_ptr_array_free(rhkfile, TRUE);
return NULL;
}
g_clear_error(&err);
container = gwy_container_new();
key = g_string_new("");
for (i = 0; i < rhkfile->len; i++) {
const gchar *cs;
gchar *s;
rhkpage = g_ptr_array_index(rhkfile, i);
dfield = rhk_sm3_page_to_data_field(rhkpage);
g_string_printf(key, "/%d/data", i);
gwy_container_set_object_by_name(container, key->str, dfield);
g_object_unref(dfield);
p = rhkpage->strings[RHK_STRING_LABEL];
cs = gwy_enum_to_string(rhkpage->scan_dir,
scan_directions, G_N_ELEMENTS(scan_directions));
if (p && *p) {
g_string_append(key, "/title");
if (cs)
s = g_strdup_printf("%s [%s]", p, cs);
else
s = g_strdup(p);
gwy_container_set_string_by_name(container, key->str, s);
}
meta = rhk_sm3_get_metadata(rhkpage);
g_string_printf(key, "/%d/meta", i);
gwy_container_set_object_by_name(container, key->str, meta);
g_object_unref(meta);
gwy_app_channel_check_nonsquare(container, i);
}
g_string_free(key, TRUE);
gwy_file_abandon_contents(buffer, size, NULL);
for (i = 0; i < rhkfile->len; i++)
rhk_sm3_page_free(g_ptr_array_index(rhkfile, i));
g_ptr_array_free(rhkfile, TRUE);
return container;
}
static GwyContainer*
shimadzu_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *meta, *container = NULL;
GwyDataField *dfield = NULL;
GError *err = NULL;
gchar *buffer = NULL;
GHashTable *hash;
gchar *head;
gsize size = 0;
gboolean ok;
gint text_data_start;
if (!g_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < HEADER_SIZE + 2) {
err_TOO_SHORT(error);
return NULL;
}
if (memcmp(buffer, MAGIC, MAGIC_SIZE) != 0
&& !(memcmp(buffer, MAGIC_ASCII, MAGIC_ASCII_SIZE) == 0
&& (memcmp(buffer + MAGIC_ASCII_SIZE+1,
MAGIC, MAGIC_SIZE) == 0
|| memcmp(buffer + MAGIC_ASCII_SIZE+2,
MAGIC, MAGIC_SIZE) == 0))) {
err_FILE_TYPE(error, "Shimadzu");
g_free(buffer);
return NULL;
}
head = g_memdup(buffer, HEADER_SIZE+1);
head[HEADER_SIZE] = '\0';
/* text_data_start is set to nonzero if data are text */
hash = read_hash(head, &text_data_start, error);
ok = !!hash;
if (ok) {
if (text_data_start)
dfield = read_text_data(buffer, text_data_start, hash, error);
else
dfield = read_binary_data(buffer, size, hash, error);
ok = !!dfield;
}
if (ok) {
GQuark quark;
const gchar *title;
container = gwy_container_new();
quark = gwy_app_get_data_key_for_id(0);
gwy_container_set_object(container, quark, dfield);
g_object_unref(dfield);
meta = shimadzu_get_metadata(hash);
gwy_container_set_object_by_name(container, "/0/meta", meta);
g_object_unref(meta);
title = g_hash_table_lookup(hash, "Channel");
if (title && *title)
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup(title));
else
gwy_app_channel_title_fall_back(container, 0);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
}
g_free(head);
g_free(buffer);
g_hash_table_destroy(hash);
return container;
}
static gboolean
cdffile_load(NetCDF *cdffile,
const gchar *filename,
GError **error)
{
GError *err = NULL;
const guchar *p;
gwy_clear(cdffile, 1);
if (!gwy_file_get_contents(filename, &cdffile->buffer, &cdffile->size,
&err)) {
err_GET_FILE_CONTENTS(error, &err);
return FALSE;
}
if (cdffile->size < 32) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(cdffile->buffer, cdffile->size, NULL);
return FALSE;
}
p = cdffile->buffer;
/* Header */
if (memcmp(p, MAGIC1, MAGIC_SIZE) == 0)
cdffile->version = 1;
else if (memcmp(p, MAGIC2, MAGIC_SIZE) == 0)
cdffile->version = 2;
else {
err_FILE_TYPE(error, "NetCDF");
gwy_file_abandon_contents(cdffile->buffer, cdffile->size, NULL);
return FALSE;
}
gwy_debug("Header: CDF v%d", (gint)cdffile->version);
p += MAGIC_SIZE;
/* N Records */
cdffile->nrecs = gwy_get_guint32_be(&p);
gwy_debug("nrecs %d", cdffile->nrecs);
/* Dimensions */
if (!cdffile_read_dim_array(&cdffile->dims, &cdffile->ndims,
cdffile->buffer, cdffile->size, &p, error)) {
cdffile_free(cdffile);
gwy_file_abandon_contents(cdffile->buffer, cdffile->size, NULL);
return FALSE;
}
/* Global attributes */
if (!cdffile_read_attr_array(&cdffile->attrs, &cdffile->nattrs,
cdffile->buffer, cdffile->size, &p, error)) {
cdffile_free(cdffile);
gwy_file_abandon_contents(cdffile->buffer, cdffile->size, NULL);
return FALSE;
}
/* Variables */
if (!cdffile_read_var_array(&cdffile->vars, &cdffile->nvars,
cdffile->version,
cdffile->buffer, cdffile->size, &p, error)) {
cdffile_free(cdffile);
gwy_file_abandon_contents(cdffile->buffer, cdffile->size, NULL);
return FALSE;
}
cdffile->data_start = (gsize)(p - cdffile->buffer);
/* Sanity check */
if (!cdffile_validate_vars(cdffile, error)) {
cdffile_free(cdffile);
gwy_file_abandon_contents(cdffile->buffer, cdffile->size, NULL);
return FALSE;
}
return TRUE;
}
/* Reads @header and initializes @reader for the correct byte order. Returns
* the number of bytes read, 0 on error. */
static guint
igor_read_headers(IgorFile *igorfile,
const guchar *buffer,
gsize size,
gboolean check_only,
GError **error)
{
IgorBinHeader *header;
gsize headers_size;
guint version, chksum, i;
gboolean lsb;
const guchar *p = buffer;
if (size < HEADER_SIZE1) {
err_TOO_SHORT(error);
return 0;
}
/* The lower byte of version is nonzero. Use it to detect endianess. */
version = gwy_get_guint16_le(&p);
gwy_debug("raw version: 0x%04x", version);
/* Keep the rejection code path fast by performing version sanity check
* as the very first thing. */
if ((lsb = (version & 0xff))) {
gwy_debug("little endian");
}
else {
gwy_debug("big endian");
version /= 0x100;
}
/* Check if version is known and the buffer size */
if (version == 1)
headers_size = HEADER_SIZE1 + WAVE_SIZE2;
else if (version == 2)
headers_size = HEADER_SIZE2 + WAVE_SIZE2;
else if (version == 3)
headers_size = HEADER_SIZE3 + WAVE_SIZE2;
else if (version == 5)
headers_size = HEADER_SIZE5 + WAVE_SIZE5;
else {
err_FILE_TYPE(error, "IGOR Pro");
return 0;
}
gwy_debug("expected headers_size %lu", (gulong)headers_size);
if (size < headers_size) {
err_TOO_SHORT(error);
return 0;
}
/* Check the checksum */
chksum = igor_checksum(buffer, headers_size, lsb);
gwy_debug("checksum %u", chksum);
if (chksum) {
err_FILE_TYPE(error, "IGOR Pro");
return 0;
}
/* If only detection is required, we can stop now. */
if (check_only)
return headers_size;
/* If the checksum is correct the file is likely IGOR file and we can
* start the expensive actions. */
gwy_clear(igorfile, 1);
header = &igorfile->header;
header->version = version;
igorfile->headers_size = headers_size;
gwy_debug("format version: %u", header->version);
if (lsb) {
igorfile->get_guint16 = gwy_get_guint16_le;
igorfile->get_gint16 = gwy_get_gint16_le;
igorfile->get_guint32 = gwy_get_guint32_le;
igorfile->get_gint32 = gwy_get_gint32_le;
igorfile->get_gfloat = gwy_get_gfloat_le;
igorfile->get_gdouble = gwy_get_gdouble_le;
}
else {
igorfile->get_guint16 = gwy_get_guint16_be;
igorfile->get_gint16 = gwy_get_gint16_be;
igorfile->get_guint32 = gwy_get_guint32_be;
igorfile->get_gint32 = gwy_get_gint32_be;
igorfile->get_gfloat = gwy_get_gfloat_be;
igorfile->get_gdouble = gwy_get_gdouble_be;
}
/* Read the rest of the binary header */
if (header->version == 1) {
igorfile->wave_header_size = 110;
header->wfm_size = igorfile->get_guint32(&p);
header->checksum = igorfile->get_guint16(&p);
}
else if (header->version == 2) {
igorfile->wave_header_size = 110;
header->wfm_size = igorfile->get_guint32(&p);
header->note_size = igorfile->get_guint32(&p);
header->pict_size = igorfile->get_guint32(&p);
header->checksum = igorfile->get_guint16(&p);
}
else if (header->version == 3) {
igorfile->wave_header_size = 110;
header->wfm_size = igorfile->get_guint32(&p);
header->note_size = igorfile->get_guint32(&p);
header->formula_size = igorfile->get_guint32(&p);
header->pict_size = igorfile->get_guint32(&p);
header->checksum = igorfile->get_guint16(&p);
}
else if (header->version == 5) {
igorfile->wave_header_size = 320;
header->checksum = igorfile->get_guint16(&p);
header->wfm_size = igorfile->get_guint32(&p);
header->formula_size = igorfile->get_guint32(&p);
gwy_debug("formula_size: %u", header->formula_size);
header->note_size = igorfile->get_guint32(&p);
gwy_debug("note_size: %u", header->note_size);
header->data_e_units_size = igorfile->get_guint32(&p);
gwy_debug("data_e_units_size: %u", header->data_e_units_size);
for (i = 0; i < MAXDIMS; i++) {
header->dim_e_units_size[i] = igorfile->get_guint32(&p);
gwy_debug("dim_e_units_size[%u]: %u", i, header->dim_e_units_size[i]);
}
for (i = 0; i < MAXDIMS; i++) {
header->dim_labels_size[i] = igorfile->get_guint32(&p);
gwy_debug("dim_labels_size[%u]: %u", i, header->dim_labels_size[i]);
}
header->indices_size = igorfile->get_guint32(&p);
header->options_size1 = igorfile->get_guint32(&p);
header->options_size2 = igorfile->get_guint32(&p);
}
else {
g_assert_not_reached();
}
gwy_debug("wfm_size: %u", header->wfm_size);
/* Read the wave header */
if (version == 5) {
IgorWaveHeader5 *wave5 = &igorfile->wave5;
wave5->next = igorfile->get_guint32(&p);
wave5->creation_date = igorfile->get_guint32(&p);
wave5->mod_date = igorfile->get_guint32(&p);
wave5->npts = igorfile->get_guint32(&p);
wave5->type = igorfile->get_guint16(&p);
gwy_debug("type: %u, npts: %u", wave5->type, wave5->npts);
wave5->lock = igorfile->get_guint16(&p);
get_CHARARRAY(wave5->whpad1, &p);
wave5->wh_version = igorfile->get_guint16(&p);
get_CHARARRAY0(wave5->bname, &p);
wave5->whpad2 = igorfile->get_guint32(&p);
wave5->dfolder = igorfile->get_guint32(&p);
for (i = 0; i < MAXDIMS; i++) {
wave5->n_dim[i] = igorfile->get_guint32(&p);
gwy_debug("n_dim[%u]: %u", i, wave5->n_dim[i]);
}
for (i = 0; i < MAXDIMS; i++)
wave5->sfA[i] = igorfile->get_gdouble(&p);
for (i = 0; i < MAXDIMS; i++)
wave5->sfB[i] = igorfile->get_gdouble(&p);
get_CHARARRAY0(wave5->data_units, &p);
gwy_debug("data_units: <%s>", wave5->data_units);
for (i = 0; i < MAXDIMS; i++) {
get_CHARARRAY0(wave5->dim_units[i], &p);
gwy_debug("dim_units[%u]: <%s>", i, wave5->dim_units[i]);
}
wave5->fs_valid = !!igorfile->get_guint16(&p);
wave5->whpad3 = igorfile->get_guint16(&p);
wave5->top_full_scale = igorfile->get_gdouble(&p);
wave5->bot_full_scale = igorfile->get_gdouble(&p);
}
return headers_size;
}
static GwyContainer*
quesant_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwySIUnit *units = NULL;
gint32 power10;
FileInfo info;
int row, col;
GwyDataField *dfield;
gdouble multiplier;
const guint16 *p;
gdouble *d;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size <= HEADER_SIZE) {
gwy_file_abandon_contents(buffer, size, NULL);
err_TOO_SHORT(error);
return NULL;
}
if (!read_file_info(buffer, size, &info, error)) {
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
// create units and datafield
units = gwy_si_unit_new_parse("um", &power10);
dfield = gwy_data_field_new(info.img_res, info.img_res,
info.real_size * pow10(power10),
info.real_size * pow10(power10),
FALSE);
// set units for XY axes
gwy_data_field_set_si_unit_xy(dfield, units);
g_object_unref(units);
// set units for Z axis
units = gwy_si_unit_new_parse("um", &power10);
gwy_data_field_set_si_unit_z(dfield, units);
g_object_unref(units);
multiplier = info.z_scale * pow10(power10);
p = info.image_data;
d = gwy_data_field_get_data(dfield);
// values are stored in unsigned int16 type
for (row = 0; row < info.img_res; row++) {
for (col = 0; col < info.img_res; col++) {
d[row*info.img_res + col] = GUINT16_FROM_LE(*p) * multiplier;
p++;
}
}
// create container
container = gwy_container_new();
// put datafield into container
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
gwy_app_channel_title_fall_back(container, 0);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
gwy_file_abandon_contents(buffer, size, NULL);
return container;
}
static GwyContainer*
microprof_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
enum {
XRES = 0x0026, YRES = 0x002a,
XRANGE = 0x0038, YRANGE = 0x0040,
ZRANGE = 0x006e,
};
GwyContainer *container = NULL;
guchar *buffer = NULL;
const guchar *p;
MicroProfFile mfile;
gsize size = 0;
GError *err = NULL;
guint i, ndata, datasize;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < MICROPROF_HEADER_SIZE) {
err_TOO_SHORT(error);
goto fail;
}
if (memcmp(buffer, MAGIC, MAGIC_SIZE) != 0) {
err_FILE_TYPE(error, "MicroProf");
goto fail;
}
p = buffer + XRES;
mfile.xres = gwy_get_guint16_le(&p);
if (err_DIMENSION(error, mfile.xres))
goto fail;
p = buffer + YRES;
mfile.yres = gwy_get_guint16_le(&p);
if (err_DIMENSION(error, mfile.xres))
goto fail;
p = buffer + XRANGE;
mfile.xrange = gwy_get_gdouble_le(&p);
if (!(mfile.xrange = fabs(mfile.xrange))) {
g_warning("Real x size is 0.0, fixing to 1.0");
mfile.xrange = 1.0;
}
p = buffer + YRANGE;
mfile.yrange = gwy_get_gdouble_le(&p);
if (!(mfile.yrange = fabs(mfile.yrange))) {
g_warning("Real y size is 0.0, fixing to 1.0");
mfile.yrange = 1.0;
}
p = buffer + ZRANGE;
mfile.zscale = gwy_get_gdouble_le(&p);
datasize = 2*mfile.xres*mfile.yres;
if (err_SIZE_MISMATCH(error, datasize, size - MICROPROF_HEADER_SIZE, FALSE))
goto fail;
/* FIXME: There is weird stuff between channels. Need specs.
ndata = (size - MICROPROF_HEADER_SIZE)/datasize;
if (!ndata) {
err_NO_DATA(error);
goto fail;
}
*/
ndata = 1;
container = gwy_container_new();
mfile.data = buffer + MICROPROF_HEADER_SIZE;
for (i = 0; i < ndata; i++) {
GwyDataField *dfield;
GQuark quark;
dfield = microprof_read_data_field(&mfile,
mfile.data + i*datasize);
quark = gwy_app_get_data_key_for_id(i);
gwy_container_set_object(container, quark, dfield);
g_object_unref(dfield);
gwy_app_channel_title_fall_back(container, i);
gwy_file_channel_import_log_add(container, i, NULL, filename);
}
fail:
gwy_file_abandon_contents(buffer, size, NULL);
return container;
}
static GwyContainer*
aafm_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwySIUnit *unit;
GwyContainer *container = NULL;
guchar *buffer = NULL;
const guchar *p;
gsize size = 0;
GError *err = NULL;
AFMFile afmfile;
GwyDataField *dfield;
gdouble min, max;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < 12) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
p = buffer;
afmfile.res = gwy_get_guint16_le(&p);
if (err_DIMENSION(error, afmfile.res)) {
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
if (err_SIZE_MISMATCH(error, afmfile.res * afmfile.res + 10, size, FALSE)) {
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
afmfile.real = Angstrom*gwy_get_gfloat_le(&p);
if (!(afmfile.real = fabs(afmfile.real))) {
g_warning("Real size is 0.0, fixing to 1.0");
afmfile.real = 1.0;
}
dfield = gwy_data_field_new(afmfile.res, afmfile.res,
afmfile.real, afmfile.real,
FALSE);
read_binary_data(afmfile.res, gwy_data_field_get_data(dfield), p);
p += 2*afmfile.res*afmfile.res;
afmfile.range = gwy_get_gfloat_le(&p);
gwy_data_field_get_min_max(dfield, &min, &max);
if (min == max)
gwy_data_field_clear(dfield);
else
gwy_data_field_multiply(dfield, afmfile.range/(max - min)*Angstrom);
unit = gwy_si_unit_new("m");
gwy_data_field_set_si_unit_xy(dfield, unit);
g_object_unref(unit);
unit = gwy_si_unit_new("m");
gwy_data_field_set_si_unit_z(dfield, unit);
g_object_unref(unit);
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup("Topography"));
g_object_unref(dfield);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
gwy_file_abandon_contents(buffer, size, NULL);
return container;
}
static GwyContainer*
rhk_sm4_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
RHKFile rhkfile;
RHKObject *obj, o;
GwyContainer *meta, *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
const guchar *p;
GString *key = NULL;
guint i, imageid = 0, graphid = 0;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
gwy_clear(&rhkfile, 1);
if (size < HEADER_SIZE) {
err_TOO_SHORT(error);
goto fail;
}
/* File header */
p = buffer + MAGIC_OFFSET + MAGIC_TOTAL_SIZE;
rhkfile.page_count = gwy_get_guint32_le(&p);
rhkfile.object_count = gwy_get_guint32_le(&p);
rhkfile.object_field_size = gwy_get_guint32_le(&p);
gwy_debug("page_count: %u, object_count: %u, object_field_size: %u",
rhkfile.page_count, rhkfile.object_count,
rhkfile.object_field_size);
if (rhkfile.object_field_size != OBJECT_SIZE)
g_warning("Object field size %u differs from %u",
rhkfile.object_field_size, OBJECT_SIZE);
rhkfile.reserved1 = gwy_get_guint32_le(&p);
rhkfile.reserved2 = gwy_get_guint32_le(&p);
/* Header objects */
if (!(rhkfile.objects = rhk_sm4_read_objects(buffer, p, size,
rhkfile.object_count,
RHK_OBJECT_FILE_HEADER,
error)))
goto fail;
/* Find page index header */
if (!(obj = rhk_sm4_find_object(rhkfile.objects, rhkfile.object_count,
RHK_OBJECT_PAGE_INDEX_HEADER,
RHK_OBJECT_FILE_HEADER, error))
|| !rhk_sm4_read_page_index_header(&rhkfile.page_index_header,
obj, buffer, size, error))
goto fail;
/* There, find the page index array. That's a single object in the object
* list but it contains a page_count-long sequence of page indices. */
rhkfile.page_indices = g_new0(RHKPageIndex,
rhkfile.page_index_header.page_count);
if (!(obj = rhk_sm4_find_object(rhkfile.page_index_header.objects,
rhkfile.page_index_header.object_count,
RHK_OBJECT_PAGE_INDEX_ARRAY,
RHK_OBJECT_PAGE_INDEX_HEADER, error)))
goto fail;
o = *obj;
for (i = 0; i < rhkfile.page_index_header.page_count; i++) {
if (!rhk_sm4_read_page_index(rhkfile.page_indices + i, &o,
buffer, size, error))
goto fail;
/* Carefully move to the next page index */
o.offset += o.size + OBJECT_SIZE*rhkfile.page_indices[i].object_count;
}
container = gwy_container_new();
key = g_string_new(NULL);
/* Read pages */
for (i = 0; i < rhkfile.page_index_header.page_count; i++) {
RHKPageIndex *pi = rhkfile.page_indices + i;
RHKPage *page = &pi->page;
/* Page must contain header */
if (!(obj = rhk_sm4_find_object(pi->objects, pi->object_count,
RHK_OBJECT_PAGE_HEADER,
RHK_OBJECT_PAGE_INDEX, error))
|| !rhk_sm4_read_page_header(page, obj, buffer, size, error))
goto fail;
/* Page must contain data */
if (!(obj = rhk_sm4_find_object(pi->objects, pi->object_count,
RHK_OBJECT_PAGE_DATA,
RHK_OBJECT_PAGE_INDEX, error))
|| !rhk_sm4_read_page_data(page, obj, buffer, error))
goto fail;
/* Page may contain strings */
if (!(obj = rhk_sm4_find_object(page->objects, page->object_count,
RHK_OBJECT_STRING_DATA,
RHK_OBJECT_PAGE_HEADER, NULL))
|| !rhk_sm4_read_string_data(page, obj, pi->page.string_count,
buffer)) {
g_warning("Failed to read string data in page %u", i);
}
/* Read the data */
if (pi->data_type == RHK_DATA_IMAGE) {
GwyDataField *dfield = rhk_sm4_page_to_data_field(page);
GQuark quark = gwy_app_get_data_key_for_id(imageid);
const gchar *scandir, *name;
gchar *title;
gwy_container_set_object(container, quark, dfield);
g_object_unref(dfield);
if ((name = page->strings[RHK_STRING_LABEL])) {
scandir = gwy_enum_to_string(page->scan_dir, scan_directions,
G_N_ELEMENTS(scan_directions));
g_string_assign(key, g_quark_to_string(quark));
g_string_append(key, "/title");
if (scandir && *scandir)
title = g_strdup_printf("%s [%s]", name, scandir);
else
title = g_strdup(name);
gwy_container_set_string_by_name(container, key->str, title);
}
meta = rhk_sm4_get_metadata(pi, page);
g_string_printf(key, "/%u/meta", imageid);
gwy_container_set_object_by_name(container, key->str, meta);
g_object_unref(meta);
imageid++;
}
else if (pi->data_type == RHK_DATA_LINE) {
GwyGraphModel *gmodel;
RHKSpecDriftHeader drift_header;
RHKSpecInfo spec_info;
G_GNUC_UNUSED gboolean have_header = FALSE, have_info = FALSE;
gwy_debug("page_type %u", page->page_type);
gwy_debug("line_type %u", page->line_type);
gwy_debug("page_sizes %u %u", page->x_size, page->y_size);
/* Page may contain drift header */
if ((obj = rhk_sm4_find_object(page->objects, page->object_count,
RHK_OBJECT_SPEC_DRIFT_HEADER,
RHK_OBJECT_PAGE_HEADER, NULL))
&& rhk_sm4_read_drift_header(&drift_header, obj, buffer)) {
gwy_debug("drift_header OK");
have_header = TRUE;
}
if ((obj = rhk_sm4_find_object(page->objects, page->object_count,
RHK_OBJECT_SPEC_DRIFT_DATA,
RHK_OBJECT_PAGE_HEADER, NULL))
&& rhk_sm4_read_spec_info(&spec_info, obj, buffer)) {
gwy_debug("spec_info OK");
have_info = TRUE;
}
/* FIXME: RHK_STRING_PLL_PRO_STATUS may contain interesting
* metadata. But we have not place where to put it. */
if ((gmodel = rhk_sm4_page_to_graph_model(page))) {
graphid++;
gwy_container_set_object(container,
gwy_app_get_graph_key_for_id(graphid),
gmodel);
g_object_unref(gmodel);
}
}
}
if (!imageid && !graphid)
err_NO_DATA(error);
fail:
gwy_file_abandon_contents(buffer, size, NULL);
rhk_sm4_free(&rhkfile);
if (!imageid && !graphid) {
gwy_object_unref(container);
}
if (key)
g_string_free(key, TRUE);
return container;
}
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;
}
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*
csmfile_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *meta, *container = NULL;
GHashTable *hash = NULL;
guchar *d24, *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
guint xres, yres, bmpsize, header_size, maxval, i, j;
gdouble real, zmin, zmax, q, z0;
GwyTextHeaderParser parser;
GwySIUnit *unit = NULL;
gchar *value, *end, *header = NULL;
gdouble *data;
gint power10;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < BMP_HEADER_SIZE) {
err_TOO_SHORT(error);
goto fail;
}
if (!read_bmp_header(buffer, &xres, &yres, &bmpsize)
|| size <= bmpsize) {
err_FILE_TYPE(error, "CSM");
goto fail;
}
header_size = size - bmpsize;
header = g_new(gchar, header_size + 1);
memcpy(header, buffer + bmpsize, header_size);
header[header_size] = '\0';
gwy_clear(&parser, 1);
parser.key_value_separator = "=";
hash = gwy_text_header_parse(header, &parser, NULL, NULL);
/* Do NOT use the fields Image width, Image height from the added footer.
* Even though it is specifically added by Benyuan it can disagree with the
* BMP diemsions and when they disagree the BMP diemsions are apparently
* right. */
if (err_DIMENSION(error, xres))
goto fail;
if (err_DIMENSION(error, yres))
goto fail;
if (!(value = g_hash_table_lookup(hash, "ScanSize"))) {
err_MISSING_FIELD(error, "ScanSize");
goto fail;
}
real = g_ascii_strtod(value, NULL);
/* Use negated positive conditions to catch NaNs */
if (!((real = fabs(real)) > 0)) {
g_warning("Real size is 0.0, fixing to 1.0");
real = 1.0;
}
if (!(value = g_hash_table_lookup(hash, "HeightScale"))) {
err_MISSING_FIELD(error, "HeightScale");
goto fail;
}
zmax = g_ascii_strtod(value, &end);
unit = gwy_si_unit_new_parse(end, &power10);
/* Optional stuff for which we try to fall back. */
if (!(value = g_hash_table_lookup(hash, "StartHeightScale")))
zmin = 0.0;
else
zmin = g_ascii_strtod(value, NULL);
if (!(value = g_hash_table_lookup(hash, "MaxValue")))
maxval = 0xffff;
else
maxval = MAX(atoi(value), 1);
dfield = gwy_data_field_new(xres, yres, real*Nanometre, real*Nanometre,
FALSE);
data = gwy_data_field_get_data(dfield);
d24 = buffer + BMP_HEADER_SIZE;
q = pow10(power10)*(zmax - zmin)/maxval;
z0 = pow10(power10)*zmin;
for (i = 0; i < yres; i++) {
gdouble *row = data + (yres-1 - i)*xres;
for (j = 0; j < xres; j++, row++, d24 += 3)
*row = (d24[0] + 256.0*d24[1])*q + z0;
}
gwy_si_unit_set_from_string(gwy_data_field_get_si_unit_xy(dfield), "m");
gwy_data_field_set_si_unit_z(dfield, unit);
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
meta = gwy_container_new();
g_hash_table_foreach(hash, store_meta, meta);
gwy_container_set_object_by_name(container, "/0/meta", meta);
g_object_unref(meta);
if ((value = g_hash_table_lookup(hash, "sTitle"))
&& g_utf8_validate(value, -1, NULL)) {
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup(value));
}
else
gwy_app_channel_title_fall_back(container, 0);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
fail:
gwy_file_abandon_contents(buffer, size, NULL);
GWY_OBJECT_UNREF(unit);
if (header)
g_free(header);
if (hash)
g_hash_table_destroy(hash);
return container;
}
static GwyContainer*
burleigh_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwySIUnit *unit;
GwyContainer *container = NULL;
guchar *buffer = NULL;
const guchar *p;
gsize size = 0;
GError *err = NULL;
IMGFile imgfile;
GwyDataField *dfield;
gdouble *data;
const gint16 *d;
gdouble zoom;
guint i;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < HEADER_SIZE_MIN + 2) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
gwy_clear(&imgfile, 1);
p = buffer;
imgfile.version = gwy_get_gfloat_le(&p);
imgfile.version_int = GWY_ROUND(10*imgfile.version);
if (imgfile.version_int == 21) {
d = burleigh_load_v21(&imgfile, buffer, size, error);
if (!d) {
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
}
else {
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("File format version %.1f is not supported."),
imgfile.version);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
zoom = burleigh_get_zoom_v21(&imgfile);
if (err_DIMENSION(error, imgfile.xres)
|| err_DIMENSION(error, imgfile.yres)) {
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
dfield = gwy_data_field_new(imgfile.xres, imgfile.yres,
Angstrom*imgfile.xrange/zoom,
Angstrom*imgfile.yrange/zoom,
FALSE);
data = gwy_data_field_get_data(dfield);
for (i = 0; i < imgfile.xres*imgfile.yres; i++)
data[i] = GINT16_FROM_LE(d[i])*imgfile.zrange/4095.0;
gwy_file_abandon_contents(buffer, size, NULL);
unit = gwy_si_unit_new("m");
gwy_data_field_set_si_unit_xy(dfield, unit);
g_object_unref(unit);
container = gwy_container_new();
switch (imgfile.data_type) {
case BURLEIGH_CURRENT:
unit = gwy_si_unit_new("A");
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup("Current"));
gwy_data_field_multiply(dfield, Picoampere);
break;
case BURLEIGH_TOPOGRAPHY:
unit = gwy_si_unit_new("m");
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup("Topography"));
gwy_data_field_multiply(dfield, Angstrom);
break;
default:
unit = gwy_si_unit_new("m");
break;
}
gwy_data_field_set_si_unit_z(dfield, unit);
g_object_unref(unit);
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
return container;
}
static GwyContainer*
pni_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
static const GwyEnum titles[] = {
{ "Height", DATA_TYPE_HGT, },
{ "Sens", DATA_TYPE_SEN, },
{ "Dem", DATA_TYPE_DEM, },
{ "Error", DATA_TYPE_ERR, },
{ "L-R", DATA_TYPE_L_R, },
};
GwyContainer *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
const guchar *p;
gint i, xres, yres;
PNIDataType data_type;
PNIValueType value_type;
PNIDirection direction;
gdouble xreal, yreal, zscale;
gdouble *data;
const gint16 *d16;
GwySIUnit *siunit;
const gchar *title;
gchar *s;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size < DATA_START + 2) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
p = buffer + DATA_HEADER_START + RESOLUTION_OFFSET;
xres = gwy_get_guint32_le(&p);
yres = gwy_get_guint32_le(&p);
gwy_debug("%d %d", xres, yres);
if (err_DIMENSION(error, xres)
|| err_DIMENSION(error, yres)
|| err_SIZE_MISMATCH(error, DATA_START + 2*xres*yres, size, TRUE)) {
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
p = buffer + DATA_HEADER_START;
data_type = p[DATA_TYPE_OFFSET];
value_type = p[VALUE_TYPE_OFFSET];
direction = p[DIRECTION_OFFSET];
p = buffer + DATA_HEADER_START + REAL_SIZE_OFFSET;
xreal = gwy_get_gfloat_le(&p);
yreal = gwy_get_gfloat_le(&p);
/* Use negated positive conditions to catch NaNs */
if (!((xreal = fabs(xreal)) > 0)) {
g_warning("Real x size is 0.0, fixing to 1.0");
xreal = 1.0;
}
if (!((yreal = fabs(yreal)) > 0)) {
g_warning("Real y size is 0.0, fixing to 1.0");
yreal = 1.0;
}
xreal *= Micrometer;
yreal *= Micrometer;
p = buffer + DATA_HEADER_START + VALUE_SCALE_OFFSET;
zscale = gwy_get_gfloat_le(&p);
dfield = gwy_data_field_new(xres, yres, xreal, yreal, FALSE);
data = gwy_data_field_get_data(dfield);
d16 = (const gint16*)(buffer + DATA_START);
for (i = 0; i < xres*yres; i++)
data[i] = zscale*GINT16_FROM_LE(d16[i])/65536.0;
gwy_file_abandon_contents(buffer, size, NULL);
siunit = gwy_si_unit_new("m");
gwy_data_field_set_si_unit_xy(dfield, siunit);
g_object_unref(siunit);
switch (value_type) {
case VALUE_TYPE_NM:
siunit = gwy_si_unit_new("m");
gwy_data_field_multiply(dfield, Nanometer);
break;
case VALUE_TYPE_MV:
siunit = gwy_si_unit_new("V");
gwy_data_field_multiply(dfield, Milivolt);
break;
default:
g_warning("Value type %d is unknown", value_type);
siunit = gwy_si_unit_new(NULL);
break;
}
gwy_data_field_set_si_unit_z(dfield, siunit);
g_object_unref(siunit);
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
title = gwy_enum_to_string(data_type, titles, G_N_ELEMENTS(titles));
if (title) {
s = g_strdup_printf("%s (%s)",
title,
direction ? "Forward" : "Backward");
gwy_container_set_string_by_name(container, "/0/data/title", s);
}
else
g_warning("Data type %d is unknown", data_type);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
return container;
}
static GwyContainer*
amb_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *container = NULL;
guchar *buffer = NULL;
const guchar *p;
gdouble *data;
guint i, j;
gsize size = 0;
GError *err = NULL;
guint xres, yres;
GwyDataField *dfield;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
if (size <= HEADER_SIZE) {
err_TOO_SHORT(error);
goto fail;
}
/* The two bytes before are usually zeroes */
p = buffer + XRES_OFFSET;
xres = gwy_get_guint32_le(&p);
p = buffer + YRES_OFFSET;
yres = gwy_get_guint32_le(&p);
gwy_debug("xres: %u yres: %u", xres, yres);
/* The four bytes after might be a float, then there are four more bytes. */
if (err_DIMENSION(error, xres) || err_DIMENSION(error, yres))
goto fail;
if (err_SIZE_MISMATCH(error, 4*xres*yres + HEADER_SIZE, size, TRUE))
goto fail;
dfield = gwy_data_field_new(xres, yres, 1.0, 1.0*yres/xres,
FALSE);
data = gwy_data_field_get_data(dfield);
p = buffer + HEADER_SIZE;
for (i = 0; i < yres; i++) {
for (j = 0; j < xres; j++)
data[i*xres + j] = gwy_get_gfloat_le(&p);
}
gwy_si_unit_set_from_string(gwy_data_field_get_si_unit_xy(dfield), "m");
gwy_si_unit_set_from_string(gwy_data_field_get_si_unit_z(dfield), "m");
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
gwy_container_set_string_by_name(container, "/0/data/title",
g_strdup("Topography"));
g_object_unref(dfield);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
fail:
gwy_file_abandon_contents(buffer, size, NULL);
return container;
}
static GwyContainer*
spmlab_load(const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyContainer *container = NULL;
guchar *buffer = NULL;
gsize size = 0;
GError *err = NULL;
GwyDataField *dfield = NULL;
gchar *title = NULL;
gint dir;
if (!gwy_file_get_contents(filename, &buffer, &size, &err)) {
err_GET_FILE_CONTENTS(error, &err);
return NULL;
}
/* 2048 is wrong. moreover it differs for r5 and r4, kasigra uses 5752 for
* r5 */
if (size < 2048) {
err_TOO_SHORT(error);
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
if (buffer[0] != '#' || buffer[1] != 'R') {
err_FILE_TYPE(error, "Thermicroscopes SpmLab");
gwy_file_abandon_contents(buffer, size, NULL);
return NULL;
}
switch (buffer[2]) {
case '3':
case '4':
case '5':
case '6':
case '7':
dfield = read_data_field(buffer, size, buffer[2], &title, &dir, error);
break;
default:
g_set_error(error, GWY_MODULE_FILE_ERROR, GWY_MODULE_FILE_ERROR_DATA,
_("Unknown format version %c."), buffer[2]);
break;
}
gwy_file_abandon_contents(buffer, size, NULL);
if (!dfield)
return NULL;
container = gwy_container_new();
gwy_container_set_object_by_name(container, "/0/data", dfield);
g_object_unref(dfield);
if (title)
gwy_container_set_string_by_name(container, "/0/data/title", title);
else
gwy_app_channel_title_fall_back(container, 0);
gwy_file_channel_import_log_add(container, 0, NULL, filename);
/* TODO: Store direction to metadata, if known */
return container;
}
