static gboolean
surffile_save(GwyContainer *data,
const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
FILE *fh;
gboolean ok = TRUE;
SurfWriter surf;
gfloat uintmax = 1073741824.0;
gdouble zmaxreal;
gdouble zminreal;
gdouble xreal;
gdouble yreal;
gchar *dxunittmp;
gchar *dyunittmp;
gchar *dzunittmp;
GwySIUnit *xysi;
GwySIUnit *zsi;
GwyContainer *current_data;
int power = 0;
int k = 0;
GwyDataField *dfield;
const gdouble *points;
gint32 *integer_values;
strncpy(surf.signature, "DIGITAL SURF", 12);
surf.format = 0;
surf.nobjects = 1;
surf.version = 1;
surf.type = 1;
strncpy(surf.object_name, "SCRATCH", 30);
strncpy(surf.operator_name, "csm", 30);
surf.material_code = 0;
surf.acquisition = 0;
surf.range = 1;
surf.special_points = 0;
surf.absolute = 1;
strncpy(surf.reserved, " ", 8);
surf.pointsize = 32;
surf.zmin = 0;
surf.zmax = 1073741824.0;
strncpy(surf.xaxis, "X", 16);
strncpy(surf.yaxis, "Y", 16);
strncpy(surf.zaxis, "Z", 16);
surf.xunit_ratio = 1;
surf.yunit_ratio = 1;
surf.zunit_ratio = 1;
surf.imprint = 1;
surf.inversion = 0;
surf.leveling = 0;
strncpy(surf.obsolete, " ", 12);
surf.seconds = 0;
surf.minutes = 0;
surf.hours = 0;
surf.day = 5;
surf.month = 1;
surf.year = 2001;
surf.dayof = 0;
surf.measurement_duration = 1.0;
strncpy(surf.obsolete2, " ", 10);
surf.comment_size = 0;
surf.private_size = 0;
strncpy(surf.client_zone," ", 128);
surf.XOffset = 0.0;
surf.YOffset = 0.0;
surf.ZOffset = 0.0;
strncpy(surf.reservedzone, " ", 34);
if (!(fh = gwy_fopen( filename, "wb"))) {
err_OPEN_WRITE(error);
return FALSE;
}
gwy_app_data_browser_get_current(GWY_APP_CONTAINER, ¤t_data, 0);
if (!current_data) {
err_NO_CHANNEL_EXPORT(error);
return FALSE;
}
if (data != current_data) {
return FALSE;
}
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, &dfield, 0);
if (!dfield) {
err_NO_CHANNEL_EXPORT(error);
return FALSE;
}
/*header values*/
xysi = gwy_data_field_get_si_unit_xy(dfield);
zsi = gwy_data_field_get_si_unit_z(dfield);
dxunittmp = gwy_si_unit_get_string(xysi, GWY_SI_UNIT_FORMAT_PLAIN);
dyunittmp = gwy_si_unit_get_string (xysi, GWY_SI_UNIT_FORMAT_PLAIN);
dzunittmp = gwy_si_unit_get_string (zsi, GWY_SI_UNIT_FORMAT_PLAIN);
strncpy(surf.dx_unit, dxunittmp, 16);
strncpy(surf.dy_unit, dyunittmp, 16);
strncpy(surf.dz_unit, dzunittmp, 16);
g_free(dxunittmp);
g_free(dyunittmp);
g_free(dzunittmp);
/*extrema*/
zmaxreal = gwy_data_field_get_max(dfield);
zminreal = gwy_data_field_get_min(dfield);
surf.xres = gwy_data_field_get_xres(dfield);
surf.yres = gwy_data_field_get_yres(dfield);
surf.nofpoints = surf.xres * surf.yres;
xreal = gwy_data_field_get_xreal(dfield);
yreal = gwy_data_field_get_yreal(dfield);
/*units*/
power = 0;
surf.dx = (gfloat)(xreal / surf.xres);
get_unit(surf.dx_unit, &power, xreal);
surf.dx *= pow10(power);
strncpy(surf.xlength_unit, surf.dx_unit, 16);
power = 0;
surf.dy = (gfloat)(yreal / surf.yres);
get_unit(surf.dy_unit, &power, yreal);
surf.dy *= pow10(power);
strncpy(surf.ylength_unit, surf.dy_unit, 16);
power = 0;
if (zmaxreal > zminreal) {
get_unit(surf.dz_unit, &power, (zmaxreal - zminreal));
}
strncpy(surf.zlength_unit, surf.dz_unit, 16);
zmaxreal *= pow10(power);
zminreal *= pow10(power);
surf.dz = (zmaxreal - zminreal) / uintmax;
surf.ZOffset = zminreal;
/*convert data into integer32*/
integer_values = g_new(gint32, surf.nofpoints);
points = gwy_data_field_get_data_const(dfield);
if (zminreal != zmaxreal) {
for (k = 0; k < surf.nofpoints; k++) { // * pow10( power ) to convert in the dz_unit
integer_values[k] = floor(uintmax * (points[k] * pow10(power) - zminreal) / (zmaxreal - zminreal));
}
}
else {
for (k = 0; k < surf.nofpoints; k++) {
integer_values[k] = 0;
}
}
/* byte order*/
surf.format = GINT16_TO_LE(surf.format);
surf.nobjects = GUINT16_TO_LE(surf.nobjects);
surf.version = GINT16_TO_LE(surf.version);
surf.type = GINT16_TO_LE(surf.type);
surf.material_code = GINT16_TO_LE(surf.material_code);
surf.acquisition = GINT16_TO_LE(surf.acquisition);
surf.range = GINT16_TO_LE(surf.range);
surf.special_points = GINT16_TO_LE(surf.special_points);
surf.absolute = GINT16_TO_LE(surf.absolute);
surf.pointsize = GINT16_TO_LE(surf.pointsize);
surf.zmin = GINT32_TO_LE(surf.zmin);
surf.zmax = GINT32_TO_LE(surf.zmax);
surf.xres = GINT32_TO_LE(surf.xres);
surf.yres = GINT32_TO_LE(surf.yres);
surf.nofpoints = GINT32_TO_LE(surf.nofpoints);
surf.dx = GFLOAT_TO_LE(surf.dx);
surf.dy = GFLOAT_TO_LE(surf.dy);
surf.dz = GFLOAT_TO_LE(surf.dz);
surf.xunit_ratio = GFLOAT_TO_LE(surf.xunit_ratio);
surf.yunit_ratio = GFLOAT_TO_LE(surf.yunit_ratio);
surf.zunit_ratio = GFLOAT_TO_LE(surf.zunit_ratio);
surf.imprint = GINT16_TO_LE(surf.imprint);
surf.inversion = GINT16_TO_LE(surf.inversion);
surf.leveling = GINT16_TO_LE(surf.leveling);
surf.seconds = GINT16_TO_LE(surf.seconds);
surf.minutes = GINT16_TO_LE(surf.minutes);
surf.hours = GINT16_TO_LE(surf.hours);
surf.day = GINT16_TO_LE(surf.day);
surf.month = GINT16_TO_LE(surf.month);
surf.year = GINT16_TO_LE(surf.year);
surf.dayof = GINT16_TO_LE(surf.dayof);
surf.measurement_duration = GFLOAT_TO_LE(surf.measurement_duration);
surf.comment_size = GINT16_TO_LE(surf.comment_size);
surf.private_size = GINT16_TO_LE(surf.private_size);
surf.XOffset = GFLOAT_TO_LE(surf.XOffset);
surf.YOffset = GFLOAT_TO_LE(surf.YOffset);
surf.ZOffset = GFLOAT_TO_LE(surf.ZOffset);
for (k = 0; k < surf.nofpoints; k++) {
integer_values[k] = GINT32_TO_LE(integer_values[k]);
}
//write
// fwrite(&surf, sizeof( SurfWriter ), 1, fh) bad struct align
if(
fwrite(&surf.signature, sizeof(char), 12, fh) != 12 ||
fwrite(&surf.format, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.nobjects, sizeof(guint16), 1, fh) != 1 ||
fwrite(&surf.version, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.type, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.object_name, sizeof(char), 30, fh) != 30 ||
fwrite(&surf.operator_name, sizeof(char), 30, fh) != 30 ||
fwrite(&surf.material_code, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.acquisition, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.range, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.special_points, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.absolute, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.reserved, sizeof(char), 8, fh) != 8 ||
fwrite(&surf.pointsize, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.zmin, sizeof(gint32), 1, fh) != 1 ||
fwrite(&surf.zmax, sizeof(gint32), 1, fh) != 1 ||
fwrite(&surf.xres, sizeof(gint32), 1, fh) != 1 ||
fwrite(&surf.yres, sizeof(gint32), 1, fh) != 1 ||
fwrite(&surf.nofpoints, sizeof(gint32), 1, fh) != 1 ||
fwrite(&surf.dx, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.dy, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.dz, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.xaxis, sizeof(char), 16, fh) != 16 ||
fwrite(&surf.yaxis, sizeof(char), 16, fh) != 16 ||
fwrite(&surf.zaxis, sizeof(char), 16, fh) != 16 ||
fwrite(&surf.dx_unit, sizeof(char), 16, fh) != 16 ||
fwrite(&surf.dy_unit, sizeof(char), 16, fh) != 16 ||
fwrite(&surf.dz_unit, sizeof(char), 16, fh) != 16 ||
fwrite(&surf.xlength_unit, sizeof(char), 16, fh) != 16 ||
fwrite(&surf.ylength_unit, sizeof(char), 16, fh) != 16 ||
fwrite(&surf.zlength_unit, sizeof(char), 16, fh) != 16 ||
fwrite(&surf.xunit_ratio, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.yunit_ratio, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.zunit_ratio, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.imprint, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.inversion, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.leveling, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.obsolete, sizeof(char), 12, fh) != 12 ||
fwrite(&surf.seconds, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.minutes, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.hours, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.day, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.month, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.year, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.dayof, sizeof(gint16),1,fh) != 1 ||
fwrite(&surf.measurement_duration, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.obsolete2, sizeof(char), 10, fh) != 10 ||
fwrite(&surf.comment_size, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.private_size, sizeof(gint16), 1, fh) != 1 ||
fwrite(&surf.client_zone, sizeof(char), 128, fh) != 128 ||
fwrite(&surf.XOffset, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.YOffset, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.ZOffset, sizeof(gfloat), 1, fh) != 1 ||
fwrite(&surf.reservedzone, sizeof(char), 34, fh)!= 34 ||
fwrite(integer_values, sizeof(gint32), surf.nofpoints, fh) != surf.nofpoints
) {
err_WRITE(error);
ok = FALSE;
g_unlink(filename);
}
g_free(integer_values);
fclose( fh );
return ok;
}
static gboolean
asc_export(GwyContainer *data,
const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
GwyDataField *dfield;
guint xres, i, n;
gchar *header;
const gdouble *d;
gboolean zunit_is_nm;
FILE *fh;
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, &dfield, 0);
if (!dfield) {
err_NO_CHANNEL_EXPORT(error);
return FALSE;
}
if (!(fh = gwy_fopen(filename, "w"))) {
err_OPEN_WRITE(error);
return FALSE;
}
header = asc_format_header(data, dfield, &zunit_is_nm);
if (fputs(header, fh) == EOF)
goto fail;
d = gwy_data_field_get_data_const(dfield);
xres = gwy_data_field_get_xres(dfield);
n = xres*gwy_data_field_get_yres(dfield);
for (i = 0; i < n; i++) {
gchar buf[G_ASCII_DTOSTR_BUF_SIZE];
gchar c;
if (zunit_is_nm)
g_ascii_dtostr(buf, G_ASCII_DTOSTR_BUF_SIZE, d[i]/Nanometer);
else
g_ascii_dtostr(buf, G_ASCII_DTOSTR_BUF_SIZE, d[i]);
if (fputs(buf, fh) == EOF)
goto fail;
c = (i % xres == xres-1) ? '\n' : '\t';
if (fputc(c, fh) == EOF)
goto fail;
}
fclose(fh);
g_free(header);
return TRUE;
fail:
err_WRITE(error);
fclose(fh);
g_free(header);
g_unlink(filename);
return FALSE;
}
static gboolean
aafm_export(G_GNUC_UNUSED GwyContainer *data,
const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
union { guchar pp[4]; float f; } z;
guint16 res, r;
gint16 *x;
gint16 v;
gint i, j, xres, yres, n;
GwyDataField *dfield;
const gdouble *d;
gdouble min, max, q, z0;
FILE *fh;
gboolean ok = TRUE;
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, &dfield, 0);
if (!dfield) {
err_NO_CHANNEL_EXPORT(error);
return FALSE;
}
if (!(fh = gwy_fopen(filename, "wb"))) {
err_OPEN_WRITE(error);
return FALSE;
}
d = gwy_data_field_get_data_const(dfield);
xres = gwy_data_field_get_xres(dfield);
yres = gwy_data_field_get_yres(dfield);
res = MIN(MIN(xres, yres), 32767);
n = (gint)res*(gint)res;
r = GUINT16_TO_LE(res);
fwrite(&res, 1, sizeof(r), fh);
gwy_data_field_get_min_max(dfield, &min, &max);
if (min == max) {
q = 0.0;
z0 = 0.0;
}
else {
q = 65533.0/(max - min);
z0 = -32766.5*(max + min)/(max - min);
}
z.f = MIN(gwy_data_field_get_xreal(dfield),
gwy_data_field_get_yreal(dfield))/Angstrom;
#if (G_BYTE_ORDER == G_BIG_ENDIAN)
GWY_SWAP(guchar, z.pp[0], z.pp[3]);
GWY_SWAP(guchar, z.pp[1], z.pp[2]);
#endif
fwrite(&z, 1, sizeof(z), fh);
x = g_new(gint16, n);
for (i = 0; i < res; i++) {
for (j = 0; j < res; j++) {
v = GWY_ROUND(d[(res-1 - j)*res + i]*q + z0);
x[i*res + j] = GINT16_TO_LE(v);
}
}
if (!(ok = (fwrite(x, 1, 2*n, fh) == 2*n))) {
err_WRITE(error);
g_unlink(filename);
}
else {
z.f = (max - min)/Angstrom;
#if (G_BYTE_ORDER == G_BIG_ENDIAN)
GWY_SWAP(guchar, z.pp[0], z.pp[3]);
GWY_SWAP(guchar, z.pp[1], z.pp[2]);
#endif
fwrite(&z, 1, sizeof(z), fh);
}
fclose(fh);
g_free(x);
return ok;
}
static gboolean
gsf_export(GwyContainer *container,
const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
static const gchar zeroes[4] = { 0, 0, 0, 0 };
GString *header = NULL;
gfloat *dfl = NULL;
guint i, xres, yres, padding;
gint id;
GwyDataField *dfield;
const gdouble *d;
gdouble v;
gchar *s;
GwySIUnit *unit, *emptyunit;
FILE *fh;
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, &dfield,
GWY_APP_DATA_FIELD_ID, &id,
0);
if (!dfield) {
err_NO_CHANNEL_EXPORT(error);
return FALSE;
}
if (!(fh = g_fopen(filename, "wb"))) {
err_OPEN_WRITE(error);
return FALSE;
}
xres = gwy_data_field_get_xres(dfield);
yres = gwy_data_field_get_yres(dfield);
header = g_string_new(MAGIC);
g_string_append_printf(header, "XRes = %u\n", xres);
g_string_append_printf(header, "YRes = %u\n", yres);
append_num(header, "XReal", gwy_data_field_get_xreal(dfield));
append_num(header, "YReal", gwy_data_field_get_yreal(dfield));
if ((v = gwy_data_field_get_xoffset(dfield)))
append_num(header, "XOffset", v);
if ((v = gwy_data_field_get_yoffset(dfield)))
append_num(header, "YOffset", v);
emptyunit = gwy_si_unit_new(NULL);
unit = gwy_data_field_get_si_unit_xy(dfield);
if (!gwy_si_unit_equal(unit, emptyunit)) {
s = gwy_si_unit_get_string(unit, GWY_SI_UNIT_FORMAT_PLAIN);
g_string_append_printf(header, "XYUnits = %s\n", s);
g_free(s);
}
unit = gwy_data_field_get_si_unit_z(dfield);
if (!gwy_si_unit_equal(unit, emptyunit)) {
s = gwy_si_unit_get_string(unit, GWY_SI_UNIT_FORMAT_PLAIN);
g_string_append_printf(header, "ZUnits = %s\n", s);
g_free(s);
}
g_object_unref(emptyunit);
s = gwy_app_get_data_field_title(container, id);
g_string_append_printf(header, "Title = %s\n", s);
g_free(s);
if (fwrite(header->str, 1, header->len, fh) != header->len) {
err_WRITE(error);
goto fail;
}
padding = 4 - (header->len % 4);
if (fwrite(zeroes, 1, padding, fh) != padding) {
err_WRITE(error);
goto fail;
}
g_string_free(header, TRUE);
header = NULL;
dfl = g_new(gfloat, xres*yres);
d = gwy_data_field_get_data_const(dfield);
for (i = 0; i < xres*yres; i++) {
union { guchar pp[4]; float f; } z;
z.f = d[i];
#if (G_BYTE_ORDER == G_BIG_ENDIAN)
GWY_SWAP(guchar, z.pp[0], z.pp[3]);
GWY_SWAP(guchar, z.pp[1], z.pp[2]);
#endif
dfl[i] = z.f;
}
if (fwrite(dfl, sizeof(gfloat), xres*yres, fh) != xres*yres) {
err_WRITE(error);
goto fail;
}
g_free(dfl);
fclose(fh);
return TRUE;
fail:
if (fh)
fclose(fh);
g_unlink(filename);
if (header)
g_string_free(header, TRUE);
g_free(dfl);
return FALSE;
}
static gboolean
sdfile_export_text(G_GNUC_UNUSED GwyContainer *data,
const gchar *filename,
G_GNUC_UNUSED GwyRunType mode,
GError **error)
{
enum { SCALE = 65535 };
static const gchar header_format[] =
"aBCR-0.0\n"
"ManufacID = Gwyddion\n"
"CreateDate = %02u%02u%04u%02u%02u\n"
"ModDate = %02u%02u%04u%02u%02u\n"
"NumPoints = %d\n"
"NumProfiles = %d\n"
"Xscale = %e\n"
"Yscale = %e\n"
"Zscale = %e\n"
"Zresolution = -1\n" /* FIXME: Dunno */
"Compression = 0\n"
"DataType = %d\n"
"CheckType = 0\n"
"NumDataSet = 1\n"
"NanPresent = 0\n"
"*\n";
GwyDataField *dfield;
const gdouble *d;
gint xres, yres, i;
const struct tm *ttm;
gchar buf[24];
time_t t;
FILE *fh;
gwy_app_data_browser_get_current(GWY_APP_DATA_FIELD, &dfield, 0);
if (!dfield) {
err_NO_CHANNEL_EXPORT(error);
return FALSE;
}
if (!(fh = g_fopen(filename, "w"))) {
err_OPEN_WRITE(error);
return FALSE;
}
d = gwy_data_field_get_data_const(dfield);
xres = gwy_data_field_get_xres(dfield);
yres = gwy_data_field_get_yres(dfield);
/* We do not keep date information, just use the current time */
time(&t);
ttm = localtime(&t);
fprintf(fh, header_format,
ttm->tm_mday, ttm->tm_mon, ttm->tm_year, ttm->tm_hour, ttm->tm_min,
ttm->tm_mday, ttm->tm_mon, ttm->tm_year, ttm->tm_hour, ttm->tm_min,
xres, yres,
gwy_data_field_get_xmeasure(dfield),
gwy_data_field_get_ymeasure(dfield),
1.0,
SDF_FLOAT);
for (i = 0; i < xres*yres; i++) {
g_ascii_formatd(buf, sizeof(buf), "%g", d[i]);
fputs(buf, fh);
fputc('\n', fh);
}
fclose(fh);
return TRUE;
}