aboutsummaryrefslogtreecommitdiffstats
path: root/libart_lgpl/art_uta_rect.c
diff options
context:
space:
mode:
authorMatthew Barnes <mbarnes@redhat.com>2010-06-14 06:37:27 +0800
committerMatthew Barnes <mbarnes@redhat.com>2010-06-14 09:31:58 +0800
commite6972011f01eab9f8d0a4584f32ee1e2a00f3231 (patch)
tree69e2a5e846965c3b369724b825f5b35c6d88056a /libart_lgpl/art_uta_rect.c
parent7f3377c78a560aa762e04d596b79f847c4acd870 (diff)
downloadgsoc2013-evolution-e6972011f01eab9f8d0a4584f32ee1e2a00f3231.tar
gsoc2013-evolution-e6972011f01eab9f8d0a4584f32ee1e2a00f3231.tar.gz
gsoc2013-evolution-e6972011f01eab9f8d0a4584f32ee1e2a00f3231.tar.bz2
gsoc2013-evolution-e6972011f01eab9f8d0a4584f32ee1e2a00f3231.tar.lz
gsoc2013-evolution-e6972011f01eab9f8d0a4584f32ee1e2a00f3231.tar.xz
gsoc2013-evolution-e6972011f01eab9f8d0a4584f32ee1e2a00f3231.tar.zst
gsoc2013-evolution-e6972011f01eab9f8d0a4584f32ee1e2a00f3231.zip
Embed libart_lgpl and libgnomecanvas.
Both of these modules are deprecated and going away in GNOME 3 but we still rely heavily on them for GnomeCalendar and ETable. So, welcome to the island of unwanted libraries...
Diffstat (limited to 'libart_lgpl/art_uta_rect.c')
-rw-r--r--libart_lgpl/art_uta_rect.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/libart_lgpl/art_uta_rect.c b/libart_lgpl/art_uta_rect.c
new file mode 100644
index 0000000000..68a6053459
--- /dev/null
+++ b/libart_lgpl/art_uta_rect.c
@@ -0,0 +1,111 @@
+/* Libart_LGPL - library of basic graphic primitives
+ * Copyright (C) 1998 Raph Levien
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+#include "art_uta_rect.h"
+
+#include "art_misc.h"
+#include "art_uta.h"
+#include "art_rect.h"
+
+/**
+ * art_uta_from_irect: Generate uta covering a rectangle.
+ * @bbox: The source rectangle.
+ *
+ * Generates a uta exactly covering @bbox. Please do not call this
+ * function with a @bbox with zero height or width.
+ *
+ * Return value: the new uta.
+ **/
+ArtUta *
+art_uta_from_irect (ArtIRect *bbox)
+{
+ ArtUta *uta;
+ ArtUtaBbox *utiles;
+ ArtUtaBbox bb;
+ int width, height;
+ int x, y;
+ int xf0, yf0, xf1, yf1;
+ int ix;
+
+ uta = art_new (ArtUta, 1);
+ uta->x0 = bbox->x0 >> ART_UTILE_SHIFT;
+ uta->y0 = bbox->y0 >> ART_UTILE_SHIFT;
+ width = ((bbox->x1 + ART_UTILE_SIZE - 1) >> ART_UTILE_SHIFT) - uta->x0;
+ height = ((bbox->y1 + ART_UTILE_SIZE - 1) >> ART_UTILE_SHIFT) - uta->y0;
+ utiles = art_new (ArtUtaBbox, width * height);
+
+ uta->width = width;
+ uta->height = height;
+ uta->utiles = utiles;
+
+ xf0 = bbox->x0 & (ART_UTILE_SIZE - 1);
+ yf0 = bbox->y0 & (ART_UTILE_SIZE - 1);
+ xf1 = ((bbox->x1 - 1) & (ART_UTILE_SIZE - 1)) + 1;
+ yf1 = ((bbox->y1 - 1) & (ART_UTILE_SIZE - 1)) + 1;
+ if (height == 1)
+ {
+ if (width == 1)
+ utiles[0] = ART_UTA_BBOX_CONS (xf0, yf0, xf1, yf1);
+ else
+ {
+ utiles[0] = ART_UTA_BBOX_CONS (xf0, yf0, ART_UTILE_SIZE, yf1);
+ bb = ART_UTA_BBOX_CONS (0, yf0, ART_UTILE_SIZE, yf1);
+ for (x = 1; x < width - 1; x++)
+ utiles[x] = bb;
+ utiles[x] = ART_UTA_BBOX_CONS (0, yf0, xf1, yf1);
+ }
+ }
+ else
+ {
+ if (width == 1)
+ {
+ utiles[0] = ART_UTA_BBOX_CONS (xf0, yf0, xf1, ART_UTILE_SIZE);
+ bb = ART_UTA_BBOX_CONS (xf0, 0, xf1, ART_UTILE_SIZE);
+ for (y = 1; y < height - 1; y++)
+ utiles[y] = bb;
+ utiles[y] = ART_UTA_BBOX_CONS (xf0, 0, xf1, yf1);
+ }
+ else
+ {
+ utiles[0] =
+ ART_UTA_BBOX_CONS (xf0, yf0, ART_UTILE_SIZE, ART_UTILE_SIZE);
+ bb = ART_UTA_BBOX_CONS (0, yf0, ART_UTILE_SIZE, ART_UTILE_SIZE);
+ for (x = 1; x < width - 1; x++)
+ utiles[x] = bb;
+ utiles[x] = ART_UTA_BBOX_CONS (0, yf0, xf1, ART_UTILE_SIZE);
+ ix = width;
+ for (y = 1; y < height - 1; y++)
+ {
+ utiles[ix++] =
+ ART_UTA_BBOX_CONS (xf0, 0, ART_UTILE_SIZE, ART_UTILE_SIZE);
+ bb = ART_UTA_BBOX_CONS (0, 0, ART_UTILE_SIZE, ART_UTILE_SIZE);
+ for (x = 1; x < width - 1; x++)
+ utiles[ix++] = bb;
+ utiles[ix++] = ART_UTA_BBOX_CONS (0, 0, xf1, ART_UTILE_SIZE);
+ }
+ utiles[ix++] = ART_UTA_BBOX_CONS (xf0, 0, ART_UTILE_SIZE, yf1);
+ bb = ART_UTA_BBOX_CONS (0, 0, ART_UTILE_SIZE, yf1);
+ for (x = 1; x < width - 1; x++)
+ utiles[ix++] = bb;
+ utiles[ix++] = ART_UTA_BBOX_CONS (0, 0, xf1, yf1);
+ }
+ }
+ return uta;
+}