arch/all-mingw32/hidd/wingdi/gdi_hostlib.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <aros/config.h>
   7
   8 #include "gdi.h"
   9
  10 #include <aros/symbolsets.h>
  11
  12 #include <proto/hostlib.h>
  13
  14 #include LC_LIBDEFS_FILE
  15
  16 #define DEBUG 0
  17 #include <aros/debug.h>
  18
  19 void *gdi_handle = NULL;
  20 void *user_handle = NULL;
  21 void *native_handle = NULL;
  22
  23 struct gdi_func *gdi_func;
  24 struct user_func *user_func;
  25 struct native_func *native_func;
  26
  27 static const char *gdi_func_names[] = {
  28     "CreateDCA",
  29     "CreateCompatibleDC",
  30     "DeleteDC",
  31     "GetDeviceCaps",
  32     "CreateBitmapIndirect",
  33     "CreateCompatibleBitmap",
  34     "CreateSolidBrush",
  35     "DeleteObject",
  36     "SelectObject",
  37     "SetBkColor",
  38     "SetTextColor",
  39     "SetROP2",
  40     "BitBlt",
  41     "PatBlt",
  42     "GetPixel",
  43     "SetPixel",
  44     "GetDIBits",
  45     "StretchDIBits",
  46     NULL
  47 };
  48
  49 static const char *user_func_names[] = {
  50     "CreateIconIndirect",
  51     "DestroyIcon",
  52     "SetCursor",
  53     "SetWindowPos",
  54     "RedrawWindow",
  55      NULL
  56 };
  57
  58 static const char *native_func_names[] = {
  59     "GDI_Init",
  60     "GDI_Shutdown",
  61     "GDI_PutMsg",
  62     "GDI_KbdAck",
  63     "GDI_MouseAck",
  64     NULL
  65 };
  66
  67 void *KernelBase;
  68 void *HostLibBase;
  69
  70 APTR *gdi_hostlib_load_so(const char *sofile, const char **names, void **handle)
  71 {
  72     APTR *funcptr;
  73     ULONG i;
  74
  75     D(bug("[gdi] loading functions from %s\n", sofile));
  76
  77     if ((*handle = HostLib_Open(sofile, NULL)) == NULL) {
  78         D(kprintf("[gdi] couldn't open '%s'\n", sofile));
  79         return NULL;
  80     }
  81
  82     funcptr = HostLib_GetInterface(*handle, names, &i);
  83     if (funcptr)
  84     {
  85         if (!i)
  86         {
  87             D(bug("[gdi] done\n"));
  88             return funcptr;
  89         }
  90         D(kprintf("[gdi] couldn't get %lu symbols from '%s'\n", i, sofile));
  91         HostLib_DropInterface(funcptr);
  92     }
  93     HostLib_Close(*handle, NULL);
  94     return NULL;
  95 }
  96
  97 static int gdi_hostlib_init(LIBBASETYPEPTR LIBBASE) {
  98     D(bug("[gdi] hostlib init\n"));
  99
 100     if ((KernelBase = OpenResource("kernel.resource")) == NULL) {
 101         kprintf("[gdi] couldn't open kernel.resource");
 102         return FALSE;
 103     }
 104     if ((HostLibBase = OpenResource("hostlib.resource")) == NULL) {
 105         kprintf("[gdi] couldn't open hostlib.resource");
 106         return FALSE;
 107     }
 108
 109     gdi_func = (struct gdi_func *)gdi_hostlib_load_so(GDI_SOFILE, gdi_func_names, &gdi_handle);
 110     if (!gdi_func)
 111         return FALSE;
 112     user_func = (struct user_func *)gdi_hostlib_load_so(USER_SOFILE, user_func_names, &user_handle);
 113     if (user_func) {
 114         native_func = (struct native_func *)gdi_hostlib_load_so(NATIVE_SOFILE, native_func_names, &native_handle);
 115         if (native_func)
 116             return TRUE;
 117         HostLib_DropInterface((APTR *)user_func);
 118         HostLib_Close(user_handle, NULL);
 119     }
 120     HostLib_DropInterface((APTR *)gdi_func);
 121     HostLib_Close(gdi_handle, NULL);
 122     return FALSE;
 123 }
 124
 125 static int gdi_hostlib_expunge(LIBBASETYPEPTR LIBBASE) {
 126     D(bug("[gdi] hostlib expunge\n"));
 127
 128     if (gdi_func != NULL)
 129         HostLib_DropInterface((APTR *)gdi_func);
 130     if (gdi_handle != NULL)
 131         HostLib_Close(gdi_handle, NULL);
 132
 133     if (native_func != NULL)
 134         HostLib_DropInterface((APTR *)native_func);
 135     if (native_handle != NULL)
 136         HostLib_Close(native_handle, NULL);
 137
 138     return TRUE;
 139 }
 140
 141 ADD2INITLIB(gdi_hostlib_init, 0)
 142 ADD2EXPUNGELIB(gdi_hostlib_expunge, 0)
 143