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https://github.com/brl/mutter.git
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817c1cddcc
This replaces the use of CoglHandle with strongly type CoglPath * pointers instead. The only function not converted for now is cogl_is_path which will be done in a later commit.
92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2010 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#ifndef __COGL_PATH_PRIVATE_H
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#define __COGL_PATH_PRIVATE_H
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#include "cogl-handle.h"
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#define COGL_PATH(tex) ((CoglPath *)(tex))
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typedef struct _floatVec2
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{
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float x;
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float y;
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} floatVec2;
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typedef struct _CoglPathNode
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{
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float x;
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float y;
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unsigned int path_size;
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} CoglPathNode;
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typedef struct _CoglBezQuad
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{
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floatVec2 p1;
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floatVec2 p2;
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floatVec2 p3;
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} CoglBezQuad;
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typedef struct _CoglBezCubic
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{
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floatVec2 p1;
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floatVec2 p2;
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floatVec2 p3;
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floatVec2 p4;
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} CoglBezCubic;
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typedef struct _CoglPathData CoglPathData;
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struct _CoglPath
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{
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CoglHandleObject _parent;
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CoglPathData *data;
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};
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struct _CoglPathData
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{
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unsigned int ref_count;
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GArray *path_nodes;
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floatVec2 path_start;
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floatVec2 path_pen;
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unsigned int last_path;
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floatVec2 path_nodes_min;
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floatVec2 path_nodes_max;
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};
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/* This is an internal version of cogl_path_new that doesn't affect
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the current path and just creates a new handle */
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CoglPath *
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_cogl_path_new (void);
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void
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_cogl_add_path_to_stencil_buffer (CoglPath *path,
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gboolean merge,
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gboolean need_clear);
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#endif /* __COGL_PATH_PRIVATE_H */
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