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author | Matthew Barnes <mbarnes@redhat.com> | 2010-06-14 06:37:27 +0800 |
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committer | Matthew Barnes <mbarnes@redhat.com> | 2010-06-14 09:31:58 +0800 |
commit | e6972011f01eab9f8d0a4584f32ee1e2a00f3231 (patch) | |
tree | 69e2a5e846965c3b369724b825f5b35c6d88056a /libart_lgpl/art_render_gradient.h | |
parent | 7f3377c78a560aa762e04d596b79f847c4acd870 (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')
-rw-r--r-- | libart_lgpl/art_render_gradient.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/libart_lgpl/art_render_gradient.h b/libart_lgpl/art_render_gradient.h new file mode 100644 index 0000000000..ff539033f1 --- /dev/null +++ b/libart_lgpl/art_render_gradient.h @@ -0,0 +1,81 @@ +/* + * 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__ */ |