moving trunk for module inkscape

(bzr r1)

1 files changed, 76 insertions, 0 deletions

diff --git a/src/svg/css-ostringstream.cpp b/src/svg/css-ostringstream.cpp
new file mode 100644
index 000000000..91b1cfcfb
--- /dev/null
+++ b/src/svg/css-ostringstream.cpp
@@ -0,0 +1,76 @@
+#include "svg/css-ostringstream.h"
+#include "svg/strip-trailing-zeros.h"
+#include <glib/gmessages.h>
+#include <glib/gstrfuncs.h>
+
+Inkscape::CSSOStringStream::CSSOStringStream()
+{
+    /* These two are probably unnecessary now that we provide our own operator<< for float and
+     * double. */
+    ostr.imbue(std::locale::classic());
+    ostr.setf(std::ios::showpoint);
+
+    /* This one is (currently) needed though, as we currently use ostr.precision as a sort of
+       variable for storing the desired precision: see our two precision methods and our operator<<
+       methods for float and double. */
+    ostr.precision(8);
+}
+
+static void
+write_num(Inkscape::CSSOStringStream &os, unsigned const prec, double const d)
+{
+    char buf[32];  // haven't thought about how much is really required.
+    if (prec != 8) {
+        static bool warned;
+        if (!warned) {
+            g_warning("Using precision of 8 instead of the requested %u.  Won't re-warn.", prec);
+            warned = true;
+        }
+    }
+    g_ascii_formatd(buf, sizeof(buf), "%.8f", d);
+    os << strip_trailing_zeros(buf);
+}
+
+Inkscape::CSSOStringStream &
+operator<<(Inkscape::CSSOStringStream &os, float const d)
+{
+    /* Try as integer first. */
+    {
+        long const n = long(d);
+        if (d == n) {
+            os << n;
+            return os;
+        }
+    }
+
+    write_num(os, os.precision(), d);
+    return os;
+}
+
+Inkscape::CSSOStringStream &
+operator<<(Inkscape::CSSOStringStream &os, double const d)
+{
+    /* Try as integer first. */
+    {
+        long const n = long(d);
+        if (d == n) {
+            os << n;
+            return os;
+        }
+    }
+
+    write_num(os, os.precision(), d);
+    return os;
+}
+
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :