Subversion Repositories filter_foundry

/*

    This file is part of "Filter Foundry", a filter plugin for Adobe Photoshop

    Copyright (C) 2003-2019 Toby Thain, toby@telegraphics.com.au

    This program is free software; you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by

    the Free Software Foundation; either version 2 of the License, or

    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License

    along with this program; if not, write to the Free Software

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#include <windows.h>

#include "manifest.h"

BOOL ActivateManifest(HMODULE hModule, int manifestResourceID, PManifestActivationCtx vars) {

        f_ActivateActCtx fActivateActCtx;

        f_CreateActCtxA fCreateActCtxA;

        if (!(vars->hKernel32 = LoadLibraryA("KERNEL32.DLL"))) return FALSE;

        if (!(fActivateActCtx = (f_ActivateActCtx)GetProcAddress(vars->hKernel32, "ActivateActCtx"))) { FreeLibrary(vars->hKernel32); return FALSE; }

        if (!(fCreateActCtxA = (f_CreateActCtxA)GetProcAddress(vars->hKernel32, "CreateActCtxA"))) { FreeLibrary(vars->hKernel32); return FALSE; }

        ZeroMemory(&vars->actCtx, sizeof(vars->actCtx));

        vars->actCtx.cbSize = sizeof(vars->actCtx);

        vars->actCtx.hModule = hModule;

        vars->actCtx.lpResourceName = MAKEINTRESOURCEA(manifestResourceID);

        vars->actCtx.dwFlags = ACTCTX_FLAG_HMODULE_VALID | ACTCTX_FLAG_RESOURCE_NAME_VALID;

        vars->hActCtx = fCreateActCtxA(&vars->actCtx);

        if (vars->hActCtx == INVALID_HANDLE_VALUE) { FreeLibrary(vars->hKernel32); return FALSE; }

        fActivateActCtx(vars->hActCtx, &vars->cookie);

        return TRUE;

}

BOOL DeactivateManifest(PManifestActivationCtx vars) {

        f_DeactivateActCtx fDeactivateActCtx;

        f_ReleaseActCtx fReleaseActCtx;

        if (!(fDeactivateActCtx = (f_DeactivateActCtx)GetProcAddress(vars->hKernel32, "DeactivateActCtx"))) return FALSE;

        if (!(fReleaseActCtx = (f_ReleaseActCtx)GetProcAddress(vars->hKernel32, "ReleaseActCtx"))) return FALSE;

        fDeactivateActCtx(0, vars->cookie);

        fReleaseActCtx(vars->hActCtx);

        FreeLibrary(vars->hKernel32);

        return TRUE;

}