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/* -----------------------------------------------------------------------------
*
* Module : C support for Graphics.UI.GLUT.Raw
* Copyright : (c) Sven Panne 2002-2018
* License : BSD3
*
* Maintainer : Sven Panne <svenpanne@gmail.com>
* Stability : stable
* Portability : portable
*
* -------------------------------------------------------------------------- */
#if defined(USE_GETPROCADDRESS)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
static LPCTSTR libNames[] = {
/* Try to load freeglut first, it has a few extra features compared to classic
GLUT. */
TEXT("freeglut"),
/* The MinGW-w64 version of freeglut prefixes "lib" onto the DLL name. */
TEXT("libfreeglut"),
/* If no freeglut version is found, try plain old glut32 instead. */
TEXT("glut32")
};
void*
hs_GLUT_getProcAddress(const char *name)
{
static int firstTime = 1;
static HMODULE handle = NULL;
if (firstTime) {
int i, numNames = (int)(sizeof(libNames) / sizeof(libNames[0]));
firstTime = 0;
for (i = 0; (!handle) && (i < numNames); ++i) {
handle = LoadLibrary(libNames[i]);
}
}
return handle ? GetProcAddress(handle, name) : NULL;
}
/* -------------------------------------------------------------------------- */
#elif defined(USE_DLSYM)
#include <stdlib.h>
#include <dlfcn.h>
static const char* libNames[] = {
#ifdef __APPLE__
/* Try to use freeglut, checking the LD_LIBRARY_PATH */
"libglut.dylib",
/* Try public framework path first. */
"/Library/Frameworks/GLUT.framework/GLUT",
/* If the public path failed, try the system framework path. */
"/System/Library/Frameworks/GLUT.framework/GLUT"
#else
NULL
#endif
};
void*
hs_GLUT_getProcAddress(const char *name)
{
static int firstTime = 1;
static void *handle = NULL;
if (firstTime) {
int i, numNames = (int)(sizeof(libNames) / sizeof(libNames[0]));
firstTime = 0;
for (i = 0; (!handle) && (i < numNames); ++i) {
handle = dlopen(libNames[i], RTLD_LAZY | RTLD_GLOBAL);
}
}
return handle ? dlsym(handle, name) : NULL;
}
/* -------------------------------------------------------------------------- */
#else
#error "Don't know how to retrieve GLUT entries"
#endif
/* -------------------------------------------------------------------------- */
/* Note: This #if below is in sync with freeglut_std.h, classic GLUT simply used
#if defined(_WIN32). */
#if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__WATCOMC__)
#define INIT_FONT(name,num) hs_##name = ((void*)(num))
#else
#define INIT_FONT(name,num) hs_##name = hs_GLUT_getProcAddress(#name)
#endif
void*
hs_GLUT_marshalBitmapFont(int fontID)
{
static int firstTime = 1;
static void *hs_glutBitmap9By15 = NULL;
static void *hs_glutBitmap8By13 = NULL;
static void *hs_glutBitmapTimesRoman10 = NULL;
static void *hs_glutBitmapTimesRoman24 = NULL;
static void *hs_glutBitmapHelvetica10 = NULL;
static void *hs_glutBitmapHelvetica12 = NULL;
static void *hs_glutBitmapHelvetica18 = NULL;
if (firstTime) {
firstTime = 0;
INIT_FONT(glutBitmap9By15, 0x0002);
INIT_FONT(glutBitmap8By13, 0x0003);
INIT_FONT(glutBitmapTimesRoman10, 0x0004);
INIT_FONT(glutBitmapTimesRoman24, 0x0005);
INIT_FONT(glutBitmapHelvetica10, 0x0006);
INIT_FONT(glutBitmapHelvetica12, 0x0007);
INIT_FONT(glutBitmapHelvetica18, 0x0008);
}
switch (fontID) {
case 0 : return hs_glutBitmap8By13;
case 1 : return hs_glutBitmap9By15;
case 2 : return hs_glutBitmapTimesRoman10;
case 3 : return hs_glutBitmapTimesRoman24;
case 4 : return hs_glutBitmapHelvetica10;
case 5 : return hs_glutBitmapHelvetica12;
case 6 : return hs_glutBitmapHelvetica18;
}
return (void*)0;
}
void*
hs_GLUT_marshalStrokeFont(int fontID)
{
static int firstTime = 1;
static void *hs_glutStrokeRoman = NULL;
static void *hs_glutStrokeMonoRoman = NULL;
if (firstTime) {
firstTime = 0;
INIT_FONT(glutStrokeRoman, 0x0000);
INIT_FONT(glutStrokeMonoRoman, 0x0001);
}
switch (fontID) {
case 0 : return hs_glutStrokeRoman;
case 1 : return hs_glutStrokeMonoRoman;
}
return (void*)0;
}
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