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-rw-r--r--src/svg/gnome-canvas-bpath-util.cpp209
1 files changed, 0 insertions, 209 deletions
diff --git a/src/svg/gnome-canvas-bpath-util.cpp b/src/svg/gnome-canvas-bpath-util.cpp
deleted file mode 100644
index bd55bfb10..000000000
--- a/src/svg/gnome-canvas-bpath-util.cpp
+++ /dev/null
@@ -1,209 +0,0 @@
-/* GnomeCanvas Bezier polyline paths & segments
- *
- * GnomeCanvas is basically a port of the Tk toolkit's most excellent canvas widget. Tk is
- * copyrighted by the Regents of the University of California, Sun Microsystems, and other parties.
- *
- * Copyright (C) 1998,1999 The Free Software Foundation
- *
- * Authors: Federico Mena <federico@nuclecu.unam.mx>
- * Lauris Kaplinski <lauris@ariman.ee>
- * Raph Levien <raph@acm.org>
- * Jasper van de Gronde <th.v.d.gronde@hccnet.nl>
- */
-
-#include <cstring>
-#include <string>
-#include <cstdlib>
-#include <cstdio>
-#include <glib/gmem.h>
-#include <glib/gmessages.h>
-#include <algorithm>
-
-#include "libnr/n-art-bpath.h"
-#include "libnr/nr-point-ops.h"
-#include "gnome-canvas-bpath-util.h"
-#include "prefs-utils.h"
-
-static inline NR::Point distTo(GnomeCanvasBpathDef *bpd, size_t idx1, size_t idx2, unsigned int coord1=3, unsigned int coord2=3) {
- NR::Point diff(bpd->bpath[idx1].c(coord1) - bpd->bpath[idx2].c(coord2));
- return NR::Point(std::abs(diff[NR::X]), std::abs(diff[NR::Y]));
-}
-
-static bool isApproximatelyClosed(GnomeCanvasBpathDef *bpd) {
- int const np = prefs_get_int_attribute("options.svgoutput", "numericprecision", 8);
- double const precision = pow(10.0, -(np+1)); // This roughly corresponds to a difference below the last significant digit
- int const initial = bpd->moveto_idx;
- int const current = bpd->n_bpath - 1;
- NR::Point distToInit(distTo(bpd, current, initial));
- // TODO check the double to int conversion in the abs() call:
- return
- distToInit[NR::X] <= abs(bpd->bpath[current].c(3)[NR::X])*precision &&
- distToInit[NR::Y] <= abs(bpd->bpath[current].c(3)[NR::Y])*precision;
-}
-
-GnomeCanvasBpathDef *
-gnome_canvas_bpath_def_new (void)
-{
- GnomeCanvasBpathDef *bpd;
-
- bpd = g_new (GnomeCanvasBpathDef, 1);
- bpd->n_bpath = 0;
- bpd->n_bpath_max = 16;
- bpd->moveto_idx = -1;
- bpd->bpath = g_new (NArtBpath, bpd->n_bpath_max);
- bpd->ref_count = 1;
-
- return bpd;
-}
-
-GnomeCanvasBpathDef *
-gnome_canvas_bpath_def_new_from (NArtBpath *path)
-{
- GnomeCanvasBpathDef *bpd;
- int i;
-
- g_return_val_if_fail (path != NULL, NULL);
-
- bpd = g_new (GnomeCanvasBpathDef, 1);
-
- for (i = 0; path [i].code != NR_END; i++)
- ;
- bpd->n_bpath = i;
- bpd->n_bpath_max = i;
- bpd->moveto_idx = -1;
- bpd->ref_count = 1;
- bpd->bpath = g_new (NArtBpath, i);
-
- memcpy (bpd->bpath, path, i * sizeof (NArtBpath));
- return bpd;
-}
-
-GnomeCanvasBpathDef *
-gnome_canvas_bpath_def_ref (GnomeCanvasBpathDef *bpd)
-{
- g_return_val_if_fail (bpd != NULL, NULL);
-
- bpd->ref_count += 1;
- return bpd;
-}
-
-void
-gnome_canvas_bpath_def_free (GnomeCanvasBpathDef *bpd)
-{
- g_return_if_fail (bpd != NULL);
-
- bpd->ref_count -= 1;
- if (bpd->ref_count == 0) {
- g_free (bpd->bpath);
- g_free (bpd);
- }
-}
-
-void
-gnome_canvas_bpath_def_moveto (GnomeCanvasBpathDef *bpd, double x, double y)
-{
- NArtBpath *bpath;
- int n_bpath;
-
- g_return_if_fail (bpd != NULL);
-
- n_bpath = bpd->n_bpath++;
-
- if (n_bpath == bpd->n_bpath_max)
- bpd->bpath = (NArtBpath*)g_realloc (bpd->bpath,
- (bpd->n_bpath_max <<= 1) * sizeof (NArtBpath));
- bpath = bpd->bpath;
- bpath[n_bpath].code = NR_MOVETO_OPEN;
- bpath[n_bpath].x3 = x;
- bpath[n_bpath].y3 = y;
- bpd->moveto_idx = n_bpath;
-}
-
-void
-gnome_canvas_bpath_def_lineto (GnomeCanvasBpathDef *bpd, double x, double y)
-{
- NArtBpath *bpath;
- int n_bpath;
-
- g_return_if_fail (bpd != NULL);
- g_return_if_fail (bpd->moveto_idx >= 0);
-
- n_bpath = bpd->n_bpath++;
-
- if (n_bpath == bpd->n_bpath_max)
- bpd->bpath = (NArtBpath*)g_realloc (bpd->bpath,
- (bpd->n_bpath_max <<= 1) * sizeof (NArtBpath));
- bpath = bpd->bpath;
- bpath[n_bpath].code = NR_LINETO;
- bpath[n_bpath].x3 = x;
- bpath[n_bpath].y3 = y;
-}
-
-void
-gnome_canvas_bpath_def_curveto (GnomeCanvasBpathDef *bpd, double x1, double y1, double x2, double y2, double x3, double y3)
-{
- NArtBpath *bpath;
- int n_bpath;
-
- g_return_if_fail (bpd != NULL);
- g_return_if_fail (bpd->moveto_idx >= 0);
-
- n_bpath = bpd->n_bpath++;
-
- if (n_bpath == bpd->n_bpath_max)
- bpd->bpath = (NArtBpath*)g_realloc (bpd->bpath,
- (bpd->n_bpath_max <<= 1) * sizeof (NArtBpath));
- bpath = bpd->bpath;
- bpath[n_bpath].code = NR_CURVETO;
- bpath[n_bpath].x1 = x1;
- bpath[n_bpath].y1 = y1;
- bpath[n_bpath].x2 = x2;
- bpath[n_bpath].y2 = y2;
- bpath[n_bpath].x3 = x3;
- bpath[n_bpath].y3 = y3;
-}
-
-void
-gnome_canvas_bpath_def_closepath (GnomeCanvasBpathDef *bpd)
-{
- NArtBpath *bpath;
- int n_bpath;
-
- g_return_if_fail (bpd != NULL);
- g_return_if_fail (bpd->moveto_idx >= 0);
- g_return_if_fail (bpd->n_bpath > 0);
-
- bpath = bpd->bpath;
- n_bpath = bpd->n_bpath;
-
- /* Add closing vector if we need it. */
- if (!isApproximatelyClosed(bpd)) {
- gnome_canvas_bpath_def_lineto (bpd, bpath[bpd->moveto_idx].x3,
- bpath[bpd->moveto_idx].y3);
- bpath = bpd->bpath;
- } else {
- // If it is approximately closed we close it here to prevent internal logic to fail.
- // In addition it is probably better to continue working with this end point, as it
- // is probably more precise than the original.
- bpath[n_bpath-1].x3 = bpath[bpd->moveto_idx].x3;
- bpath[n_bpath-1].y3 = bpath[bpd->moveto_idx].y3;
- }
- bpath[bpd->moveto_idx].code = NR_MOVETO;
- bpd->moveto_idx = -1;
-}
-
-void
-gnome_canvas_bpath_def_art_finish (GnomeCanvasBpathDef *bpd)
-{
- int n_bpath;
-
- g_return_if_fail (bpd != NULL);
-
- n_bpath = bpd->n_bpath++;
-
- if (n_bpath == bpd->n_bpath_max)
- bpd->bpath = (NArtBpath*)g_realloc (bpd->bpath,
- (bpd->n_bpath_max <<= 1) * sizeof (NArtBpath));
- bpd->bpath [n_bpath].code = NR_END;
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2026-08-11 06:06:39 +0000