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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_render_gradient.h
parent7f3377c78a560aa762e04d596b79f847c4acd870 (diff)
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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_render_gradient.h')
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diff --git a/libart_lgpl/art_render_gradient.h b/libart_lgpl/art_render_gradient.h
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+/*
+ * art_render_gradient.h: Gradient image source for modular rendering.
+ *
+ * Libart_LGPL - library of basic graphic primitives
+ * Copyright (C) 2000 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.
+ *
+ * Authors: Raph Levien <raph@acm.org>
+ * Alexander Larsson <alla@lysator.liu.se>
+ */
+
+#ifndef __ART_RENDER_GRADIENT_H__
+#define __ART_RENDER_GRADIENT_H__
+
+#include <libart_lgpl/art_filterlevel.h>
+#include <libart_lgpl/art_render.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+typedef struct _ArtGradientLinear ArtGradientLinear;
+typedef struct _ArtGradientRadial ArtGradientRadial;
+typedef struct _ArtGradientStop ArtGradientStop;
+
+typedef enum {
+ ART_GRADIENT_PAD,
+ ART_GRADIENT_REFLECT,
+ ART_GRADIENT_REPEAT
+} ArtGradientSpread;
+
+struct _ArtGradientLinear {
+ double a;
+ double b;
+ double c;
+ ArtGradientSpread spread;
+ int n_stops;
+ ArtGradientStop *stops;
+};
+
+struct _ArtGradientRadial {
+ double affine[6]; /* transforms user coordinates to unit circle */
+ double fx, fy; /* focal point in unit circle coords */
+ int n_stops;
+ ArtGradientStop *stops;
+};
+
+struct _ArtGradientStop {
+ double offset;
+ ArtPixMaxDepth color[ART_MAX_CHAN + 1];
+};
+
+void
+art_render_gradient_linear (ArtRender *render,
+ const ArtGradientLinear *gradient,
+ ArtFilterLevel level);
+
+void
+art_render_gradient_radial (ArtRender *render,
+ const ArtGradientRadial *gradient,
+ ArtFilterLevel level);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __ART_RENDER_GRADIENT_H__ */