1 /* 2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #include <stdio.h> 27 #include "splashscreen.h" 28 29 extern void* SplashProcAddress(const char* name); /* in java_md.c */ 30 31 /* 32 * Prototypes of pointers to functions in splashscreen shared lib 33 */ 34 typedef int (*SplashLoadMemory_t)(void* pdata, int size); 35 typedef int (*SplashLoadFile_t)(const char* filename); 36 typedef void (*SplashInit_t)(void); 37 typedef void (*SplashClose_t)(void); 38 typedef void (*SplashSetFileJarName_t)(const char* fileName, 39 const char* jarName); 40 typedef void (*SplashSetScaleFactor_t)(float scaleFactor); 41 typedef void (*SplashGetScaledImageName_t)(const char* fileName, 42 const char* jarName, float* scaleFactor, char *scaleImageName, 43 const size_t scaleImageNameLength); 44 /* 45 * This macro invokes a function from the shared lib. 46 * it locates a function with SplashProcAddress on demand. 47 * if SplashProcAddress fails, def value is returned. 48 * 49 * it is further wrapped with INVOKEV (works with functions which return 50 * void and INVOKE (for all other functions). INVOKEV looks a bit ugly, 51 * that's due being unable to return a value of type void in C. INVOKEV 52 * works around this by using semicolon instead of return operator. 53 */ 54 #define _INVOKE(name,def,ret) \ 55 static void* proc = NULL; \ 56 if (!proc) { proc = SplashProcAddress(#name); } \ 57 if (!proc) { return def; } \ 58 ret ((name##_t)proc) 59 60 #define INVOKE(name,def) _INVOKE(name,def,return) 61 #define INVOKEV(name) _INVOKE(name, ,;) 62 63 64 int DoSplashLoadMemory(void* pdata, int size) { 65 INVOKE(SplashLoadMemory, 0)(pdata, size); 66 } 67 68 int DoSplashLoadFile(const char* filename) { 69 INVOKE(SplashLoadFile, 0)(filename); 70 } 71 72 void DoSplashInit(void) { 73 INVOKEV(SplashInit)(); 74 } 75 76 void DoSplashClose(void) { 77 INVOKEV(SplashClose)(); 78 } 79 80 void DoSplashSetFileJarName(const char* fileName, const char* jarName) { 81 INVOKEV(SplashSetFileJarName)(fileName, jarName); 82 } 83 84 void DoSplashSetScaleFactor(float scaleFactor) { 85 INVOKEV(SplashSetScaleFactor)(scaleFactor); 86 } 87 88 void DoSplashGetScaledImageName(const char* fileName, const char* jarName, 89 float* scaleFactor, char *scaledImageName, 90 const size_t scaledImageNameLength) { 91 INVOKEV(SplashGetScaledImageName)(fileName, jarName, scaleFactor, 92 scaledImageName, scaledImageNameLength); 93 }