static PyObject *
complex_repr(PyComplexObject *v)
{
int precision = 0;
char format_code = 'r';
PyObject *result = NULL;
/* If these are non-NULL, they'll need to be freed. */
char *pre = NULL;
char *im = NULL;
/* These do not need to be freed. re is either an alias
for pre or a pointer to a constant. lead and tail
are pointers to constants. */
const char *re = NULL;
const char *lead = "";
const char *tail = "";
if (v->cval.real == 0. && copysign(1.0, v->cval.real)==1.0) {
/* Real part is +0: just output the imaginary part and do not
include parens. */
re = "";
im = PyOS_double_to_string(v->cval.imag, format_code,
precision, 0, NULL);
if (!im) {
PyErr_NoMemory();
goto done;
}
} else {
/* Format imaginary part with sign, real part without. Include
parens in the result. */
pre = PyOS_double_to_string(v->cval.real, format_code,
precision, 0, NULL);
if (!pre) {
PyErr_NoMemory();
goto done;
}
re = pre;
im = PyOS_double_to_string(v->cval.imag, format_code,
precision, Py_DTSF_SIGN, NULL);
if (!im) {
PyErr_NoMemory();
goto done;
}
lead = "(";
tail = ")";
}
result = PyUnicode_FromFormat("%s%s%sj%s", lead, re, im, tail);
done:
PyMem_Free(im);
PyMem_Free(pre);
return result;
}
static PyObject*
speedup_pdf_float(PyObject *self, PyObject *args) {
double f = 0.0, a = 0.0;
char *buf = "0", *dot;
void *free_buf = NULL;
int precision = 6, l = 0;
PyObject *ret;
if(!PyArg_ParseTuple(args, "d", &f)) return NULL;
a = fabs(f);
if (a > 1.0e-7) {
if(a > 1) precision = min(max(0, 6-(int)log10(a)), 6);
buf = PyOS_double_to_string(f, 'f', precision, 0, NULL);
if (buf != NULL) {
free_buf = (void*)buf;
if (precision > 0) {
l = strlen(buf) - 1;
while (l > 0 && buf[l] == '0') l--;
if (buf[l] == ',' || buf[l] == '.') buf[l] = 0;
else buf[l+1] = 0;
if ( (dot = strchr(buf, ',')) ) *dot = '.';
}
} else if (!PyErr_Occurred()) PyErr_SetString(PyExc_TypeError, "Float->str failed.");
}
ret = PyUnicode_FromString(buf);
if (free_buf != NULL) PyMem_Free(free_buf);
return ret;
}
static int
append_command_string(
DecomposeToStringData *data, FT_Pos *points, size_t npoints,
char *command)
{
size_t i;
size_t len;
char *buf;
if (data->prefix) {
len = strlen(command);
if (to_string_expand_buffer(data, len)) {
return -1;
}
strncpy(data->buffer + data->cursor, command,
data->buffer_size - data->cursor);
data->cursor += len;
}
for (i = 0; i < npoints; ++i) {
buf = PyOS_double_to_string(FROM_F26DOT6(points[i]), 'r', 0, 0, NULL);
len = strnlen(buf, 64);
if (to_string_expand_buffer(data, len)) {
return -1;
}
strncpy(data->buffer + data->cursor, buf,
data->buffer_size - data->cursor);
data->cursor += len;
PyMem_Free(buf);
if (i < npoints - 1) {
data->buffer[data->cursor++] = ' ';
}
}
if (!data->prefix) {
len = strlen(command);
if (to_string_expand_buffer(data, len)) {
return -1;
}
strncpy(data->buffer + data->cursor, command,
data->buffer_size - data->cursor);
data->cursor += len;
}
return 0;
}
/* much of this is taken from unicodeobject.c */
static int
format_float_internal(PyObject *value,
const InternalFormatSpec *format,
_PyUnicodeWriter *writer)
{
char *buf = NULL; /* buffer returned from PyOS_double_to_string */
Py_ssize_t n_digits;
Py_ssize_t n_remainder;
Py_ssize_t n_total;
int has_decimal;
double val;
int precision, default_precision = 6;
Py_UCS4 type = format->type;
int add_pct = 0;
Py_ssize_t index;
NumberFieldWidths spec;
int flags = 0;
int result = -1;
Py_UCS4 maxchar = 127;
Py_UCS4 sign_char = '\0';
int float_type; /* Used to see if we have a nan, inf, or regular float. */
PyObject *unicode_tmp = NULL;
/* Locale settings, either from the actual locale or
from a hard-code pseudo-locale */
LocaleInfo locale = STATIC_LOCALE_INFO_INIT;
if (format->precision > INT_MAX) {
PyErr_SetString(PyExc_ValueError, "precision too big");
goto done;
}
precision = (int)format->precision;
if (format->alternate)
flags |= Py_DTSF_ALT;
if (type == '\0') {
/* Omitted type specifier. Behaves in the same way as repr(x)
and str(x) if no precision is given, else like 'g', but with
at least one digit after the decimal point. */
flags |= Py_DTSF_ADD_DOT_0;
type = 'r';
default_precision = 0;
}
if (type == 'n')
/* 'n' is the same as 'g', except for the locale used to
format the result. We take care of that later. */
type = 'g';
val = PyFloat_AsDouble(value);
if (val == -1.0 && PyErr_Occurred())
goto done;
if (type == '%') {
type = 'f';
val *= 100;
add_pct = 1;
}
if (precision < 0)
precision = default_precision;
else if (type == 'r')
type = 'g';
/* Cast "type", because if we're in unicode we need to pass a
8-bit char. This is safe, because we've restricted what "type"
can be. */
buf = PyOS_double_to_string(val, (char)type, precision, flags,
&float_type);
if (buf == NULL)
goto done;
n_digits = strlen(buf);
if (add_pct) {
/* We know that buf has a trailing zero (since we just called
strlen() on it), and we don't use that fact any more. So we
can just write over the trailing zero. */
buf[n_digits] = '%';
n_digits += 1;
}
if (format->sign != '+' && format->sign != ' '
&& format->width == -1
&& format->type != 'n'
&& !format->thousands_separators)
{
/* Fast path */
result = _PyUnicodeWriter_WriteASCIIString(writer, buf, n_digits);
PyMem_Free(buf);
return result;
}
/* Since there is no unicode version of PyOS_double_to_string,
just use the 8 bit version and then convert to unicode. */
unicode_tmp = _PyUnicode_FromASCII(buf, n_digits);
PyMem_Free(buf);
if (unicode_tmp == NULL)
goto done;
/* Is a sign character present in the output? If so, remember it
and skip it */
index = 0;
if (PyUnicode_READ_CHAR(unicode_tmp, index) == '-') {
sign_char = '-';
++index;
--n_digits;
}
/* Determine if we have any "remainder" (after the digits, might include
decimal or exponent or both (or neither)) */
parse_number(unicode_tmp, index, index + n_digits, &n_remainder, &has_decimal);
/* Determine the grouping, separator, and decimal point, if any. */
if (get_locale_info(format->type == 'n' ? LT_CURRENT_LOCALE :
(format->thousands_separators ?
LT_DEFAULT_LOCALE :
LT_NO_LOCALE),
&locale) == -1)
goto done;
/* Calculate how much memory we'll need. */
n_total = calc_number_widths(&spec, 0, sign_char, unicode_tmp, index,
index + n_digits, n_remainder, has_decimal,
&locale, format, &maxchar);
/* Allocate the memory. */
if (_PyUnicodeWriter_Prepare(writer, n_total, maxchar) == -1)
goto done;
/* Populate the memory. */
result = fill_number(writer, &spec,
unicode_tmp, index, index + n_digits,
NULL, 0, format->fill_char,
&locale, 0);
done:
Py_XDECREF(unicode_tmp);
free_locale_info(&locale);
return result;
}
static int
format_complex_internal(PyObject *value,
const InternalFormatSpec *format,
_PyUnicodeWriter *writer)
{
double re;
double im;
char *re_buf = NULL; /* buffer returned from PyOS_double_to_string */
char *im_buf = NULL; /* buffer returned from PyOS_double_to_string */
InternalFormatSpec tmp_format = *format;
Py_ssize_t n_re_digits;
Py_ssize_t n_im_digits;
Py_ssize_t n_re_remainder;
Py_ssize_t n_im_remainder;
Py_ssize_t n_re_total;
Py_ssize_t n_im_total;
int re_has_decimal;
int im_has_decimal;
int precision, default_precision = 6;
Py_UCS4 type = format->type;
Py_ssize_t i_re;
Py_ssize_t i_im;
NumberFieldWidths re_spec;
NumberFieldWidths im_spec;
int flags = 0;
int result = -1;
Py_UCS4 maxchar = 127;
enum PyUnicode_Kind rkind;
void *rdata;
Py_UCS4 re_sign_char = '\0';
Py_UCS4 im_sign_char = '\0';
int re_float_type; /* Used to see if we have a nan, inf, or regular float. */
int im_float_type;
int add_parens = 0;
int skip_re = 0;
Py_ssize_t lpad;
Py_ssize_t rpad;
Py_ssize_t total;
PyObject *re_unicode_tmp = NULL;
PyObject *im_unicode_tmp = NULL;
/* Locale settings, either from the actual locale or
from a hard-code pseudo-locale */
LocaleInfo locale = STATIC_LOCALE_INFO_INIT;
if (format->precision > INT_MAX) {
PyErr_SetString(PyExc_ValueError, "precision too big");
goto done;
}
precision = (int)format->precision;
/* Zero padding is not allowed. */
if (format->fill_char == '0') {
PyErr_SetString(PyExc_ValueError,
"Zero padding is not allowed in complex format "
"specifier");
goto done;
}
/* Neither is '=' alignment . */
if (format->align == '=') {
PyErr_SetString(PyExc_ValueError,
"'=' alignment flag is not allowed in complex format "
"specifier");
goto done;
}
re = PyComplex_RealAsDouble(value);
if (re == -1.0 && PyErr_Occurred())
goto done;
im = PyComplex_ImagAsDouble(value);
if (im == -1.0 && PyErr_Occurred())
goto done;
if (format->alternate)
flags |= Py_DTSF_ALT;
if (type == '\0') {
/* Omitted type specifier. Should be like str(self). */
type = 'r';
default_precision = 0;
if (re == 0.0 && copysign(1.0, re) == 1.0)
skip_re = 1;
else
add_parens = 1;
}
if (type == 'n')
/* 'n' is the same as 'g', except for the locale used to
format the result. We take care of that later. */
type = 'g';
if (precision < 0)
precision = default_precision;
else if (type == 'r')
type = 'g';
/* Cast "type", because if we're in unicode we need to pass a
8-bit char. This is safe, because we've restricted what "type"
can be. */
re_buf = PyOS_double_to_string(re, (char)type, precision, flags,
&re_float_type);
if (re_buf == NULL)
goto done;
im_buf = PyOS_double_to_string(im, (char)type, precision, flags,
&im_float_type);
if (im_buf == NULL)
goto done;
n_re_digits = strlen(re_buf);
n_im_digits = strlen(im_buf);
/* Since there is no unicode version of PyOS_double_to_string,
just use the 8 bit version and then convert to unicode. */
re_unicode_tmp = _PyUnicode_FromASCII(re_buf, n_re_digits);
if (re_unicode_tmp == NULL)
goto done;
i_re = 0;
im_unicode_tmp = _PyUnicode_FromASCII(im_buf, n_im_digits);
if (im_unicode_tmp == NULL)
goto done;
i_im = 0;
/* Is a sign character present in the output? If so, remember it
and skip it */
if (PyUnicode_READ_CHAR(re_unicode_tmp, i_re) == '-') {
re_sign_char = '-';
++i_re;
--n_re_digits;
}
if (PyUnicode_READ_CHAR(im_unicode_tmp, i_im) == '-') {
im_sign_char = '-';
++i_im;
--n_im_digits;
}
/* Determine if we have any "remainder" (after the digits, might include
decimal or exponent or both (or neither)) */
parse_number(re_unicode_tmp, i_re, i_re + n_re_digits,
&n_re_remainder, &re_has_decimal);
parse_number(im_unicode_tmp, i_im, i_im + n_im_digits,
&n_im_remainder, &im_has_decimal);
/* Determine the grouping, separator, and decimal point, if any. */
if (get_locale_info(format->type == 'n' ? LT_CURRENT_LOCALE :
(format->thousands_separators ?
LT_DEFAULT_LOCALE :
LT_NO_LOCALE),
&locale) == -1)
goto done;
/* Turn off any padding. We'll do it later after we've composed
the numbers without padding. */
tmp_format.fill_char = '\0';
tmp_format.align = '<';
tmp_format.width = -1;
/* Calculate how much memory we'll need. */
n_re_total = calc_number_widths(&re_spec, 0, re_sign_char, re_unicode_tmp,
i_re, i_re + n_re_digits, n_re_remainder,
re_has_decimal, &locale, &tmp_format,
&maxchar);
/* Same formatting, but always include a sign, unless the real part is
* going to be omitted, in which case we use whatever sign convention was
* requested by the original format. */
if (!skip_re)
tmp_format.sign = '+';
n_im_total = calc_number_widths(&im_spec, 0, im_sign_char, im_unicode_tmp,
i_im, i_im + n_im_digits, n_im_remainder,
im_has_decimal, &locale, &tmp_format,
&maxchar);
if (skip_re)
n_re_total = 0;
/* Add 1 for the 'j', and optionally 2 for parens. */
calc_padding(n_re_total + n_im_total + 1 + add_parens * 2,
format->width, format->align, &lpad, &rpad, &total);
if (lpad || rpad)
maxchar = Py_MAX(maxchar, format->fill_char);
if (_PyUnicodeWriter_Prepare(writer, total, maxchar) == -1)
goto done;
rkind = writer->kind;
rdata = writer->data;
/* Populate the memory. First, the padding. */
result = fill_padding(writer,
n_re_total + n_im_total + 1 + add_parens * 2,
format->fill_char, lpad, rpad);
if (result == -1)
goto done;
if (add_parens) {
PyUnicode_WRITE(rkind, rdata, writer->pos, '(');
writer->pos++;
}
if (!skip_re) {
result = fill_number(writer, &re_spec,
re_unicode_tmp, i_re, i_re + n_re_digits,
NULL, 0,
0,
&locale, 0);
if (result == -1)
goto done;
}
result = fill_number(writer, &im_spec,
im_unicode_tmp, i_im, i_im + n_im_digits,
NULL, 0,
0,
&locale, 0);
if (result == -1)
goto done;
PyUnicode_WRITE(rkind, rdata, writer->pos, 'j');
writer->pos++;
if (add_parens) {
PyUnicode_WRITE(rkind, rdata, writer->pos, ')');
writer->pos++;
}
writer->pos += rpad;
done:
PyMem_Free(re_buf);
PyMem_Free(im_buf);
Py_XDECREF(re_unicode_tmp);
Py_XDECREF(im_unicode_tmp);
free_locale_info(&locale);
return result;
}
Py::Object
_path_module::convert_to_svg(const Py::Tuple& args)
{
args.verify_length(5);
PathIterator path(args[0]);
agg::trans_affine trans = py_to_agg_transformation_matrix(args[1].ptr(), false);
Py::Object clip_obj = args[2];
bool do_clip;
agg::rect_base<double> clip_rect(0, 0, 0, 0);
if (clip_obj.isNone() || !clip_obj.isTrue())
{
do_clip = false;
}
else
{
double x1, y1, x2, y2;
Py::Tuple clip_tuple(clip_obj);
x1 = Py::Float(clip_tuple[0]);
y1 = Py::Float(clip_tuple[1]);
x2 = Py::Float(clip_tuple[2]);
y2 = Py::Float(clip_tuple[3]);
clip_rect.init(x1, y1, x2, y2);
do_clip = true;
}
bool simplify;
Py::Object simplify_obj = args[3];
if (simplify_obj.isNone())
{
simplify = path.should_simplify();
}
else
{
simplify = simplify_obj.isTrue();
}
int precision = Py::Int(args[4]);
#if PY_VERSION_HEX < 0x02070000
char format[64];
snprintf(format, 64, "%s.%dg", "%", precision);
#endif
typedef agg::conv_transform<PathIterator> transformed_path_t;
typedef PathNanRemover<transformed_path_t> nan_removal_t;
typedef PathClipper<nan_removal_t> clipped_t;
typedef PathSimplifier<clipped_t> simplify_t;
transformed_path_t tpath(path, trans);
nan_removal_t nan_removed(tpath, true, path.has_curves());
clipped_t clipped(nan_removed, do_clip, clip_rect);
simplify_t simplified(clipped, simplify, path.simplify_threshold());
size_t buffersize = path.total_vertices() * (precision + 5) * 4;
char* buffer = (char *)malloc(buffersize);
char* p = buffer;
const char codes[] = {'M', 'L', 'Q', 'C'};
const int waits[] = { 1, 1, 2, 3};
int wait = 0;
unsigned code;
double x = 0, y = 0;
while ((code = simplified.vertex(&x, &y)) != agg::path_cmd_stop)
{
if (wait == 0)
{
*p++ = '\n';
if (code == 0x4f)
{
*p++ = 'z';
*p++ = '\n';
continue;
}
*p++ = codes[code-1];
wait = waits[code-1];
}
else
{
*p++ = ' ';
}
#if PY_VERSION_HEX >= 0x02070000
char* str;
str = PyOS_double_to_string(x, 'g', precision, 0, NULL);
p += snprintf(p, buffersize - (p - buffer), str);
PyMem_Free(str);
*p++ = ' ';
str = PyOS_double_to_string(y, 'g', precision, 0, NULL);
p += snprintf(p, buffersize - (p - buffer), str);
PyMem_Free(str);
#else
char str[64];
PyOS_ascii_formatd(str, 64, format, x);
p += snprintf(p, buffersize - (p - buffer), str);
*p++ = ' ';
PyOS_ascii_formatd(str, 64, format, y);
p += snprintf(p, buffersize - (p - buffer), str);
#endif
--wait;
}
#if PY3K
PyObject* result = PyUnicode_FromStringAndSize(buffer, p - buffer);
#else
PyObject* result = PyString_FromStringAndSize(buffer, p - buffer);
#endif
free(buffer);
return Py::Object(result, true);
}
static PyObject *
complex_format(PyComplexObject *v, int precision, char format_code)
{
PyObject *result = NULL;
Py_ssize_t len;
/* If these are non-NULL, they'll need to be freed. */
char *pre = NULL;
char *im = NULL;
char *buf = NULL;
/* These do not need to be freed. re is either an alias
for pre or a pointer to a constant. lead and tail
are pointers to constants. */
char *re = NULL;
char *lead = "";
char *tail = "";
if (v->cval.real == 0. && copysign(1.0, v->cval.real)==1.0) {
re = "";
im = PyOS_double_to_string(v->cval.imag, format_code,
precision, 0, NULL);
if (!im) {
PyErr_NoMemory();
goto done;
}
} else {
/* Format imaginary part with sign, real part without */
pre = PyOS_double_to_string(v->cval.real, format_code,
precision, 0, NULL);
if (!pre) {
PyErr_NoMemory();
goto done;
}
re = pre;
im = PyOS_double_to_string(v->cval.imag, format_code,
precision, Py_DTSF_SIGN, NULL);
if (!im) {
PyErr_NoMemory();
goto done;
}
lead = "(";
tail = ")";
}
/* Alloc the final buffer. Add one for the "j" in the format string,
and one for the trailing zero. */
len = strlen(lead) + strlen(re) + strlen(im) + strlen(tail) + 2;
buf = PyMem_Malloc(len);
if (!buf) {
PyErr_NoMemory();
goto done;
}
PyOS_snprintf(buf, len, "%s%s%sj%s", lead, re, im, tail);
result = PyUnicode_FromString(buf);
done:
PyMem_Free(im);
PyMem_Free(pre);
PyMem_Free(buf);
return result;
}
