ec5c9686b3
REVIEWED: ExportImage() REVIEWED: ExportMesh() ADDED: ExportWave() REMOVED: Internal funcs: SavePNG(), SaveBMP() NOTE: These changes break the API (parameters order)
203 lines
6.8 KiB
C
203 lines
6.8 KiB
C
/**********************************************************************************************
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*
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* raylib.utils - Some common utility functions
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*
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* CONFIGURATION:
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*
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* #define SUPPORT_TRACELOG
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* Show TraceLog() output messages
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* NOTE: By default LOG_DEBUG traces not shown
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*
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*
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* LICENSE: zlib/libpng
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*
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* Copyright (c) 2014-2018 Ramon Santamaria (@raysan5)
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*
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* This software is provided "as-is", without any express or implied warranty. In no event
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* will the authors be held liable for any damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose, including commercial
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* applications, and to alter it and redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not claim that you
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* wrote the original software. If you use this software in a product, an acknowledgment
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* in the product documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be misrepresented
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* as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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**********************************************************************************************/
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#include "config.h"
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#include "raylib.h" // WARNING: Required for: LogType enum
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#include "utils.h"
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#if defined(PLATFORM_ANDROID)
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#include <errno.h>
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#include <android/log.h>
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#include <android/asset_manager.h>
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#endif
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#include <stdlib.h> // Required for: malloc(), free()
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#include <stdio.h> // Required for: fopen(), fclose(), fputc(), fwrite(), printf(), fprintf(), funopen()
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#include <stdarg.h> // Required for: va_list, va_start(), vfprintf(), va_end()
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#include <string.h> // Required for: strlen(), strrchr(), strcmp()
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/* This should be in <stdio.h>, but Travis doesn't find it... */
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FILE *funopen(const void *cookie, int (*readfn)(void *, char *, int),
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int (*writefn)(void *, const char *, int),
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fpos_t (*seekfn)(void *, fpos_t, int), int (*closefn)(void *));
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//----------------------------------------------------------------------------------
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// Global Variables Definition
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//----------------------------------------------------------------------------------
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// Log types messages supported flags (bit based)
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static unsigned char logTypeFlags = LOG_INFO | LOG_WARNING | LOG_ERROR;
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static TraceLogCallback logCallback = NULL;
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#if defined(PLATFORM_ANDROID)
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AAssetManager *assetManager;
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#endif
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//----------------------------------------------------------------------------------
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// Module specific Functions Declaration
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//----------------------------------------------------------------------------------
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#if defined(PLATFORM_ANDROID)
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static int android_read(void *cookie, char *buf, int size);
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static int android_write(void *cookie, const char *buf, int size);
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static fpos_t android_seek(void *cookie, fpos_t offset, int whence);
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static int android_close(void *cookie);
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#endif
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//----------------------------------------------------------------------------------
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// Module Functions Definition - Utilities
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//----------------------------------------------------------------------------------
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// Enable trace log message types (bit flags based)
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void SetTraceLog(unsigned char types)
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{
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logTypeFlags = types;
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}
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// Set a trace log callback to enable custom logging bypassing raylib's one
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void SetTraceLogCallback(TraceLogCallback callback)
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{
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logCallback = callback;
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}
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// Show trace log messages (LOG_INFO, LOG_WARNING, LOG_ERROR, LOG_DEBUG)
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void TraceLog(int msgType, const char *text, ...)
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{
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#if defined(SUPPORT_TRACELOG)
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static char buffer[128];
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va_list args;
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va_start(args, text);
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if (logCallback)
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{
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logCallback(msgType, text, args);
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va_end(args);
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return;
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}
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switch(msgType)
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{
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case LOG_INFO: strcpy(buffer, "INFO: "); break;
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case LOG_ERROR: strcpy(buffer, "ERROR: "); break;
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case LOG_WARNING: strcpy(buffer, "WARNING: "); break;
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case LOG_DEBUG: strcpy(buffer, "DEBUG: "); break;
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default: break;
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}
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strcat(buffer, text);
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strcat(buffer, "\n");
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#if defined(PLATFORM_ANDROID)
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switch(msgType)
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{
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case LOG_INFO: if (logTypeFlags & LOG_INFO) __android_log_vprint(ANDROID_LOG_INFO, "raylib", buffer, args); break;
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case LOG_WARNING: if (logTypeFlags & LOG_WARNING) __android_log_vprint(ANDROID_LOG_WARN, "raylib", buffer, args); break;
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case LOG_ERROR: if (logTypeFlags & LOG_ERROR) __android_log_vprint(ANDROID_LOG_ERROR, "raylib", buffer, args); break;
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case LOG_DEBUG: if (logTypeFlags & LOG_DEBUG) __android_log_vprint(ANDROID_LOG_DEBUG, "raylib", buffer, args); break;
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default: break;
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}
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#else
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switch(msgType)
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{
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case LOG_INFO: if (logTypeFlags & LOG_INFO) vprintf(buffer, args); break;
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case LOG_WARNING: if (logTypeFlags & LOG_WARNING) vprintf(buffer, args); break;
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case LOG_ERROR: if (logTypeFlags & LOG_ERROR) vprintf(buffer, args); break;
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case LOG_DEBUG: if (logTypeFlags & LOG_DEBUG) vprintf(buffer, args); break;
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default: break;
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}
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#endif
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va_end(args);
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if (msgType == LOG_ERROR) exit(1); // If LOG_ERROR message, exit program
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#endif // SUPPORT_TRACELOG
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}
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// Keep track of memory allocated
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// NOTE: mallocType defines the type of data allocated
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/*
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void RecordMalloc(int mallocType, int mallocSize, const char *msg)
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{
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// TODO: Investigate how to record memory allocation data...
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// Maybe creating my own malloc function...
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}
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*/
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#if defined(PLATFORM_ANDROID)
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// Initialize asset manager from android app
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void InitAssetManager(AAssetManager *manager)
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{
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assetManager = manager;
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}
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// Replacement for fopen
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FILE *android_fopen(const char *fileName, const char *mode)
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{
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if (mode[0] == 'w') return NULL;
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AAsset *asset = AAssetManager_open(assetManager, fileName, 0);
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if (!asset) return NULL;
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return funopen(asset, android_read, android_write, android_seek, android_close);
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}
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#endif
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//----------------------------------------------------------------------------------
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// Module specific Functions Definition
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//----------------------------------------------------------------------------------
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#if defined(PLATFORM_ANDROID)
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static int android_read(void *cookie, char *buf, int size)
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{
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return AAsset_read((AAsset *)cookie, buf, size);
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}
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static int android_write(void *cookie, const char *buf, int size)
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{
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TraceLog(LOG_ERROR, "Can't provide write access to the APK");
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return EACCES;
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}
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static fpos_t android_seek(void *cookie, fpos_t offset, int whence)
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{
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return AAsset_seek((AAsset *)cookie, offset, whence);
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}
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static int android_close(void *cookie)
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{
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AAsset_close((AAsset *)cookie);
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return 0;
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}
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#endif
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