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Diffstat (limited to 'librsvg/rsvg-bpath-util.c')
| -rw-r--r-- | librsvg/rsvg-bpath-util.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/librsvg/rsvg-bpath-util.c b/librsvg/rsvg-bpath-util.c deleted file mode 100644 index 185959f5b..000000000 --- a/librsvg/rsvg-bpath-util.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - rsvg-bpath-util.c: Data structure and convenience functions for creating bezier paths. - - Copyright (C) 2000 Eazel, Inc. - - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public - License along with this program; if not, write to the - Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. - - Author: Raph Levien <raph@artofcode.com> -*/ - -#include <glib.h> -#include <math.h> -#include <string.h> -#include "rsvg-bpath-util.h" - -/* This is adapted from gnome-canvas-bpath-util in libgnomeprint - (originally developed as part of Gill). */ - -RsvgBpathDef * -rsvg_bpath_def_new (void) -{ - RsvgBpathDef *bpd; - - bpd = g_new (RsvgBpathDef, 1); - bpd->n_bpath = 0; - bpd->n_bpath_max = 16; - bpd->moveto_idx = -1; - bpd->bpath = g_new (ArtBpath, bpd->n_bpath_max); - bpd->ref_count = 1; - - return bpd; -} - -RsvgBpathDef * -rsvg_bpath_def_new_from (ArtBpath *path) -{ - RsvgBpathDef *bpd; - int i; - - g_return_val_if_fail (path != NULL, NULL); - - for (i = 0; path[i].code != ART_END; i++) - ; - if (i <= 0) - return rsvg_bpath_def_new (); - - bpd = g_new (RsvgBpathDef, 1); - - bpd->n_bpath = i; - bpd->n_bpath_max = i; - bpd->moveto_idx = -1; - bpd->ref_count = 1; - bpd->bpath = g_new (ArtBpath, i); - - memcpy (bpd->bpath, path, i * sizeof (ArtBpath)); - return bpd; -} - -RsvgBpathDef * -rsvg_bpath_def_ref (RsvgBpathDef *bpd) -{ - g_return_val_if_fail (bpd != NULL, NULL); - - bpd->ref_count += 1; - return bpd; -} - -void -rsvg_bpath_def_free (RsvgBpathDef *bpd) -{ - g_return_if_fail (bpd != NULL); - - bpd->ref_count -= 1; - if (bpd->ref_count == 0) - { - g_free (bpd->bpath); - g_free (bpd); - } -} - -void -rsvg_bpath_def_moveto (RsvgBpathDef *bpd, double x, double y) -{ - ArtBpath *bpath; - int n_bpath; - - g_return_if_fail (bpd != NULL); - - n_bpath = bpd->n_bpath++; - - if (n_bpath == bpd->n_bpath_max) - bpd->bpath = g_realloc (bpd->bpath, - (bpd->n_bpath_max <<= 1) * sizeof (ArtBpath)); - bpath = bpd->bpath; - bpath[n_bpath].code = ART_MOVETO_OPEN; - bpath[n_bpath].x3 = x; - bpath[n_bpath].y3 = y; - bpd->moveto_idx = n_bpath; -} - -void -rsvg_bpath_def_lineto (RsvgBpathDef *bpd, double x, double y) -{ - ArtBpath *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 = g_realloc (bpd->bpath, - (bpd->n_bpath_max <<= 1) * sizeof (ArtBpath)); - bpath = bpd->bpath; - bpath[n_bpath].code = ART_LINETO; - bpath[n_bpath].x3 = x; - bpath[n_bpath].y3 = y; -} - -void -rsvg_bpath_def_curveto (RsvgBpathDef *bpd, double x1, double y1, double x2, double y2, double x3, double y3) -{ - ArtBpath *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 = g_realloc (bpd->bpath, - (bpd->n_bpath_max <<= 1) * sizeof (ArtBpath)); - bpath = bpd->bpath; - bpath[n_bpath].code = ART_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 -rsvg_bpath_def_closepath (RsvgBpathDef *bpd) -{ - ArtBpath *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 (bpath[n_bpath - 1].x3 != bpath[bpd->moveto_idx].x3 || - bpath[n_bpath - 1].y3 != bpath[bpd->moveto_idx].y3) - { - rsvg_bpath_def_lineto (bpd, bpath[bpd->moveto_idx].x3, - bpath[bpd->moveto_idx].y3); - bpath = bpd->bpath; - } - bpath[bpd->moveto_idx].code = ART_MOVETO; - bpd->moveto_idx = -1; -} - -void -rsvg_bpath_def_art_finish (RsvgBpathDef *bpd) -{ - int n_bpath; - - g_return_if_fail (bpd != NULL); - - n_bpath = bpd->n_bpath++; - - if (n_bpath == bpd->n_bpath_max) - bpd->bpath = g_realloc (bpd->bpath, - (bpd->n_bpath_max <<= 1) * sizeof (ArtBpath)); - bpd->bpath[n_bpath].code = ART_END; -} |