diff options
Diffstat (limited to 'src/cairo-output-stream.c')
| -rw-r--r--[-rwxr-xr-x] | src/cairo-output-stream.c | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/src/cairo-output-stream.c b/src/cairo-output-stream.c index facc182f6..c29ea0e39 100755..100644 --- a/src/cairo-output-stream.c +++ b/src/cairo-output-stream.c @@ -43,7 +43,6 @@ #include "cairo-compiler-private.h" #include <stdio.h> -#include <locale.h> #include <errno.h> /* Numbers printed with %f are printed with this number of significant @@ -303,7 +302,6 @@ _cairo_output_stream_write_hex_string (cairo_output_stream_t *stream, static void _cairo_dtostr (char *buffer, size_t size, double d, cairo_bool_t limited_precision) { - struct lconv *locale_data; const char *decimal_point; int decimal_point_len; char *p; @@ -314,8 +312,7 @@ _cairo_dtostr (char *buffer, size_t size, double d, cairo_bool_t limited_precisi if (d == 0.0) d = 0.0; - locale_data = localeconv (); - decimal_point = locale_data->decimal_point; + decimal_point = cairo_get_locale_decimal_point (); decimal_point_len = strlen (decimal_point); assert (decimal_point_len != 0); @@ -530,6 +527,45 @@ _cairo_output_stream_printf (cairo_output_stream_t *stream, va_end (ap); } +/* Matrix elements that are smaller than the value of the largest element * MATRIX_ROUNDING_TOLERANCE + * are rounded down to zero. */ +#define MATRIX_ROUNDING_TOLERANCE 1e-12 + +void +_cairo_output_stream_print_matrix (cairo_output_stream_t *stream, + const cairo_matrix_t *matrix) +{ + cairo_matrix_t m; + double s, e; + + m = *matrix; + s = fabs (m.xx); + if (fabs (m.xy) > s) + s = fabs (m.xy); + if (fabs (m.yx) > s) + s = fabs (m.yx); + if (fabs (m.yy) > s) + s = fabs (m.yy); + + e = s * MATRIX_ROUNDING_TOLERANCE; + if (fabs(m.xx) < e) + m.xx = 0; + if (fabs(m.xy) < e) + m.xy = 0; + if (fabs(m.yx) < e) + m.yx = 0; + if (fabs(m.yy) < e) + m.yy = 0; + if (fabs(m.x0) < e) + m.x0 = 0; + if (fabs(m.y0) < e) + m.y0 = 0; + + _cairo_output_stream_printf (stream, + "%f %f %f %f %f %f", + m.xx, m.yx, m.xy, m.yy, m.x0, m.y0); +} + long _cairo_output_stream_get_position (cairo_output_stream_t *stream) { |