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tessellate.h
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1/*! \file
2 \brief Tesselator functions. Allows tesselation of complex polygons into simple ones.
3
4 \par Copyright Information
5
6 Copyright (c) 2017 by The DiSTI Corporation.<br>
7 11301 Corporate Blvd; Suite 100<br>
8 Orlando, Florida 32817<br>
9 USA<br>
10 <br>
11 All rights reserved.<br>
12
13 This Software contains proprietary trade secrets of DiSTI and may not be
14 reproduced, in whole or part, in any form, or by any means of electronic,
15 mechanical, or otherwise, without the written permission of DiSTI. Said
16 permission may be derived through the purchase of applicable DiSTI product
17 licenses which detail the distribution rights of this content and any
18 Derivative Works based on this or other copyrighted DiSTI Software.
19
20 NO WARRANTY. THE SOFTWARE IS PROVIDED "AS-IS," WITHOUT WARRANTY OF ANY KIND,
21 AND ANY USE OF THIS SOFTWARE PRODUCT IS AT YOUR OWN RISK. TO THE MAXIMUM EXTENT
22 PERMITTED BY APPLICABLE LAW, DISTI AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES
23 AND CONDITIONS, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
24 IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY AND/OR FITNESS FOR A
25 PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT, WITH REGARD TO THE SOFTWARE.
26
27 LIMITATION OF LIABILITY. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW,
28 IN NO EVENT SHALL DISTI OR ITS SUPPLIERS BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
29 INDIRECT, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION,
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36 The aforementioned terms and restrictions are governed by the laws of the
37 State of Florida and the United States of America.
38
39*/
40#ifndef __TESSELLATE_H
41#define __TESSELLATE_H
42
43#include "dynamic_array.h"
44#include "gls_include.h"
45
46// copied from gui_defs.h
47#define ID_TESSELLATE_SINGLE 340 ///< Unused, kept for backward compatibility.
48#define ID_TESSELLATE_UNION 341 ///< Perform tessellation as a union of objects.
49#define ID_TESSELLATE_INTERSECT 342 ///< Perform tessellation as the intersection of objects.
50#define ID_TESSELLATE_DIFFERENCE 343 ///< Perform tessellation as a difference of objects.
51
52 namespace disti
53{
54 typedef DisplayObject* ( *CreateGroupFunc )(); ///< Typedef for a function pointer used to create a group.
55 typedef DisplayObject* ( *CreatePolyFunc )(); ///< Typedef for a function pointer used to create a polygon.
56 typedef Group* ( *DecomposeFunc )( DisplayObject* ); ///< Typedef for a function pointer used to decompose an object.
57
58/**
59 Tesselator functions. Implements polygon tessellation.
60 */
61
62/** Called by application to perform a CSG operation while tesselating one group of objects.
63 * \param obj_list Pointer to group of objects to tessellate
64 * \return Pointer to the group of the polygons generated during tesselation.
65 * The polygons will all be 2, or 3 vertices no more!
66 */
67 GLS_EXPORT Group* Tessellate( Group* obj_list, CreateGroupFunc, CreatePolyFunc, DecomposeFunc );
68
69/** Called by application to perform a CSG operation while tesselating two objects.
70 * \param object_list List containing the two objects to tessellate
71 * \param tesstype The operation to perform (union, intersect, subtract)
72 * \return Pointer to the group of the polygons generated during tesselation
73 */
74
75 GLS_EXPORT Group* Tessellate( Group* object_list, int tesstype, CreateGroupFunc, CreatePolyFunc, DecomposeFunc );
76
77/** Called by application to perform a CSG operation on a character glyph
78 * \param obj_list Pointer to group of objects to tessellate
79 * \return Pointer to the group of the polygons generated during tesselation.
80 * The polygons will have OpenGl drawing primatives, e.g. TRIANGLE_FAN as
81 * generated by the tessellator
82 */
83 GLS_EXPORT Group* TessellateGlyph( Group* obj_list, CreateGroupFunc, CreatePolyFunc, DecomposeFunc );
84
85} // namespace disti
86
87#endif
disti::DisplayObject
Definition: display.h:96
disti::Group
Definition: group.h:53
dynamic_array.h
The disti::DynamicArray class. A templated array of objects capable of dynamically growing.
gls_include.h
A file for all GL Studio files to include.
GLS_EXPORT
#define GLS_EXPORT
Macro denoting which functions should be visible from the runtime library.
Definition: gls_include.h:52
disti
Definition: bmpimage.h:47
disti::CreatePolyFunc
DisplayObject *(* CreatePolyFunc)()
Typedef for a function pointer used to create a polygon.
Definition: tessellate.h:55
disti::Tessellate
Group * Tessellate(Group *obj_list, CreateGroupFunc, CreatePolyFunc, DecomposeFunc)
disti::CreateGroupFunc
DisplayObject *(* CreateGroupFunc)()
Typedef for a function pointer used to create a group.
Definition: tessellate.h:54
disti::DecomposeFunc
Group *(* DecomposeFunc)(DisplayObject *)
Typedef for a function pointer used to decompose an object.
Definition: tessellate.h:56
disti::TessellateGlyph
Group * TessellateGlyph(Group *obj_list, CreateGroupFunc, CreatePolyFunc, DecomposeFunc)