http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/libart-2.0/libart_lgpl/art_render_gradient.h

/* * 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__ #ifdef LIBART_COMPILATION #include "art_filterlevel.h" #include "art_render.h" #else #include <libart_lgpl/art_filterlevel.h> #include <libart_lgpl/art_render.h> #endif #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__ */