1 files changed, 119 insertions, 0 deletions
diff --git a/cogl-path/cogl-path-private.h b/cogl-path/cogl-path-private.h
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+++ b/cogl-path/cogl-path-private.h
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+/*
+ * Cogl
+ *
+ * An object oriented GL/GLES Abstraction/Utility Layer
+ *
+ * Copyright (C) 2010 Intel Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ */
+
+#ifndef __COGL_PATH_PRIVATE_H
+#define __COGL_PATH_PRIVATE_H
+
+#include "cogl-object.h"
+#include "cogl-attribute-private.h"
+
+typedef struct _floatVec2
+{
+  float x;
+  float y;
+} floatVec2;
+
+typedef struct _CoglPathNode
+{
+  float x;
+  float y;
+  unsigned int path_size;
+} CoglPathNode;
+
+typedef struct _CoglBezQuad
+{
+  floatVec2 p1;
+  floatVec2 p2;
+  floatVec2 p3;
+} CoglBezQuad;
+
+typedef struct _CoglBezCubic
+{
+  floatVec2 p1;
+  floatVec2 p2;
+  floatVec2 p3;
+  floatVec2 p4;
+} CoglBezCubic;
+
+typedef struct _CoglPathData CoglPathData;
+
+struct _CoglPath
+{
+  CoglObject _parent;
+
+  CoglPathData *data;
+};
+
+#define COGL_PATH_N_ATTRIBUTES 2
+
+struct _CoglPathData
+{
+  unsigned int         ref_count;
+
+  CoglContext         *context;
+
+  CoglPathFillRule     fill_rule;
+
+  GArray              *path_nodes;
+
+  floatVec2            path_start;
+  floatVec2            path_pen;
+  unsigned int         last_path;
+  floatVec2            path_nodes_min;
+  floatVec2            path_nodes_max;
+
+  CoglAttributeBuffer *fill_attribute_buffer;
+  CoglIndices         *fill_vbo_indices;
+  unsigned int         fill_vbo_n_indices;
+  CoglAttribute       *fill_attributes[COGL_PATH_N_ATTRIBUTES + 1];
+  CoglPrimitive       *fill_primitive;
+
+  CoglAttributeBuffer *stroke_attribute_buffer;
+  CoglAttribute      **stroke_attributes;
+  unsigned int         stroke_n_attributes;
+
+  /* This is used as an optimisation for when the path contains a
+     single contour specified using cogl2_path_rectangle. Cogl is more
+     optimised to handle rectangles than paths so we can detect this
+     case and divert to the journal or a rectangle clip. If it is TRUE
+     then the entire path can be described by calling
+     _cogl_path_get_bounds */
+  CoglBool             is_rectangle;
+};
+
+void
+_cogl_add_path_to_stencil_buffer (CoglPath  *path,
+                                  CoglBool   merge,
+                                  CoglBool   need_clear);
+
+void
+_cogl_path_get_bounds (CoglPath *path,
+                       float *min_x,
+                       float *min_y,
+                       float *max_x,
+                       float *max_y);
+
+CoglBool
+_cogl_path_is_rectangle (CoglPath *path);
+
+#endif /* __COGL_PATH_PRIVATE_H */