[852] | 1 | /*
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| 2 | glh - is a platform-indepenedent C++ OpenGL helper library
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| 3 |
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| 4 |
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| 5 | Copyright (c) 2000 Cass Everitt
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| 6 | Copyright (c) 2000 NVIDIA Corporation
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| 7 | All rights reserved.
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| 8 |
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| 9 | Redistribution and use in source and binary forms, with or
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| 10 | without modification, are permitted provided that the following
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| 11 | conditions are met:
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| 12 |
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| 13 | * Redistributions of source code must retain the above
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| 14 | copyright notice, this list of conditions and the following
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| 15 | disclaimer.
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| 16 |
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| 17 | * Redistributions in binary form must reproduce the above
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| 18 | copyright notice, this list of conditions and the following
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| 19 | disclaimer in the documentation and/or other materials
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| 20 | provided with the distribution.
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| 21 |
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| 22 | * The names of contributors to this software may not be used
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| 23 | to endorse or promote products derived from this software
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| 24 | without specific prior written permission.
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| 25 |
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| 26 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 27 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 28 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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| 29 | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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| 30 | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 31 | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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| 32 | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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| 33 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| 34 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 35 | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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| 36 | ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 37 | POSSIBILITY OF SUCH DAMAGE.
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| 38 |
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| 39 |
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| 40 | Cass Everitt - cass@r3.nu
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| 41 | */
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| 42 |
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| 43 | #ifndef GLH_GLUT_CALLFUNC_H
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| 44 | #define GLH_GLUT_CALLFUNC_H
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| 45 |
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| 46 | #include <string>
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| 47 |
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| 48 | #ifdef _WIN32
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| 49 | #define GLH_FUNC extern "C" __declspec(dllexport)
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| 50 | #else
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| 51 | #define GLH_FUNC
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| 52 | #endif
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| 53 |
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| 54 |
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| 55 | namespace glh
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| 56 | {
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| 57 |
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| 58 | struct library_handle
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| 59 | {
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| 60 | #ifdef _WIN32
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| 61 | bool init(const char * name)
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| 62 | {
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| 63 | lib = GetModuleHandle(name);
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| 64 | if(lib) return true;
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| 65 | std::string n(name);
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| 66 | n += ".exe";
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| 67 | lib = GetModuleHandle(n.c_str());
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| 68 |
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| 69 | return lib != 0;
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| 70 | }
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| 71 | void call_func(const char k, int x, int y)
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| 72 | {
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| 73 | std::string entry_name("key__");
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| 74 | entry_name += k;
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| 75 | void (*entry)(int, int) = (void (*)(int, int))GetProcAddress(lib, entry_name.c_str());
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| 76 | if(entry)
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| 77 | (*entry)(x, y);
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| 78 | }
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| 79 | HMODULE lib;
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| 80 | #endif
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| 81 | };
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| 82 |
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| 83 | }
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| 84 |
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| 85 | #endif
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