/*

 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#include <stdio.h>

#include "splashscreen.h"

#include "jni.h"

extern void* SplashProcAddress(const char* name); /* in java_md.c */

/*

 * Prototypes of pointers to functions in splashscreen shared lib

 */

typedef int (*SplashLoadMemory_t)(void* pdata, int size);

typedef int (*SplashLoadFile_t)(const char* filename);

typedef int (*SplashInit_t)(void);

typedef void (*SplashClose_t)(void);

typedef void (*SplashSetFileJarName_t)(const char* fileName,

                                       const char* jarName);

typedef void (*SplashSetScaleFactor_t)(float scaleFactor);

typedef jboolean (*SplashGetScaledImageName_t)(const char* fileName,

                        const char* jarName, float* scaleFactor,

                        char *scaleImageName, const size_t scaleImageNameLength);

typedef int (*SplashGetScaledImgNameMaxPstfixLen_t)(const char* filename);

/*

 * This macro invokes a function from the shared lib.

 * it locates a function with SplashProcAddress on demand.

 * if SplashProcAddress fails, def value is returned.

 *

 * it is further wrapped with INVOKEV (works with functions which return

 * void and INVOKE (for all other functions). INVOKEV looks a bit ugly,

 * that's due being unable to return a value of type void in C. INVOKEV

 * works around this by using semicolon instead of return operator.

 */

#define _INVOKE(name,def,ret) \

    static void* proc = NULL; \

    if (!proc) { proc = SplashProcAddress(#name); } \

    if (!proc) { return def; } \

    ret ((name##_t)proc)

#define INVOKE(name,def) _INVOKE(name,def,return)

#define INVOKEV(name) _INVOKE(name, ,;)

int     DoSplashLoadMemory(void* pdata, int size) {

    INVOKE(SplashLoadMemory, 0)(pdata, size);

}

int     DoSplashLoadFile(const char* filename) {

    INVOKE(SplashLoadFile, 0)(filename);

}

int     DoSplashInit(void) {

    INVOKE(SplashInit, 0)();

}

void    DoSplashClose(void) {

    INVOKEV(SplashClose)();

}

void    DoSplashSetFileJarName(const char* fileName, const char* jarName) {

    INVOKEV(SplashSetFileJarName)(fileName, jarName);

}

void    DoSplashSetScaleFactor(float scaleFactor) {

    INVOKEV(SplashSetScaleFactor)(scaleFactor);

}

jboolean DoSplashGetScaledImageName(const char* fileName, const char* jarName,

           float* scaleFactor, char *scaledImageName, const size_t scaledImageNameLength) {

        INVOKE(SplashGetScaledImageName, 0)(fileName, jarName, scaleFactor,

                                            scaledImageName, scaledImageNameLength);

}

int     DoSplashGetScaledImgNameMaxPstfixLen(const char *fileName) {

    INVOKE(SplashGetScaledImgNameMaxPstfixLen, 0)(fileName);

}