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/**********************************************************************************************
*
* raylib.utils - Some common utility functions
*
* CONFIGURATION:
*
* #define SUPPORT_SAVE_PNG (defined by default)
* Support saving image data as PNG fileformat
* NOTE: Requires stb_image_write library
*
* #define SUPPORT_SAVE_BMP
* Support saving image data as BMP fileformat
* NOTE: Requires stb_image_write library
*
* #define SUPPORT_TRACELOG
* Show TraceLog() output messages
* NOTE: By default DEBUG traces not shown
*
* #define SUPPORT_TRACELOG_DEBUG
* Show TraceLog() DEBUG messages
*
* DEPENDENCIES:
* stb_image_write - BMP/PNG writting functions
*
*
* LICENSE: zlib/libpng
*
* Copyright (c) 2014-2017 Ramon Santamaria (@raysan5)
*
* This software is provided "as-is", without any express or implied warranty. In no event
* will the authors be held liable for any damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose, including commercial
* applications, and to alter it and redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not claim that you
* wrote the original software. If you use this software in a product, an acknowledgment
* in the product documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must not be misrepresented
* as being the original software.
*
* 3. This notice may not be removed or altered from any source distribution.
*
**********************************************************************************************/
#define SUPPORT_TRACELOG // Output tracelog messages
//#define SUPPORT_TRACELOG_DEBUG // Avoid DEBUG messages tracing
#include "utils.h"
#if defined(PLATFORM_ANDROID)
#include <errno.h>
#include <android/log.h>
#include <android/asset_manager.h>
#endif
#include <stdlib.h> // Required for: malloc(), free()
#include <stdio.h> // Required for: fopen(), fclose(), fputc(), fwrite(), printf(), fprintf(), funopen()
#include <stdarg.h> // Required for: va_list, va_start(), vfprintf(), va_end()
#include <string.h> // Required for: strlen(), strrchr(), strcmp()
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI)
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "external/stb_image_write.h" // Required for: stbi_write_bmp(), stbi_write_png()
#endif
#define RRES_IMPLEMENTATION
#include "rres.h"
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
#if defined(PLATFORM_ANDROID)
AAssetManager *assetManager;
#endif
//----------------------------------------------------------------------------------
// Module specific Functions Declaration
//----------------------------------------------------------------------------------
#if defined(PLATFORM_ANDROID)
static int android_read(void *cookie, char *buf, int size);
static int android_write(void *cookie, const char *buf, int size);
static fpos_t android_seek(void *cookie, fpos_t offset, int whence);
static int android_close(void *cookie);
#endif
//----------------------------------------------------------------------------------
// Module Functions Definition - Utilities
//----------------------------------------------------------------------------------
// Output trace log messages
void TraceLog(int msgType, const char *text, ...)
{
#if defined(SUPPORT_TRACELOG)
static char buffer[128];
int traceDebugMsgs = 0;
#if defined(SUPPORT_TRACELOG_DEBUG)
traceDebugMsgs = 1;
#endif
switch(msgType)
{
case INFO: strcpy(buffer, "INFO: "); break;
case ERROR: strcpy(buffer, "ERROR: "); break;
case WARNING: strcpy(buffer, "WARNING: "); break;
case DEBUG: strcpy(buffer, "DEBUG: "); break;
default: break;
}
strcat(buffer, text);
strcat(buffer, "\n");
va_list args;
va_start(args, text);
#if defined(PLATFORM_ANDROID)
switch(msgType)
{
case INFO: __android_log_vprint(ANDROID_LOG_INFO, "raylib", buffer, args); break;
case ERROR: __android_log_vprint(ANDROID_LOG_ERROR, "raylib", buffer, args); break;
case WARNING: __android_log_vprint(ANDROID_LOG_WARN, "raylib", buffer, args); break;
case DEBUG: if (traceDebugMsgs) __android_log_vprint(ANDROID_LOG_DEBUG, "raylib", buffer, args); break;
default: break;
}
#else
if ((msgType != DEBUG) || ((msgType == DEBUG) && (traceDebugMsgs))) vprintf(buffer, args);
#endif
va_end(args);
if (msgType == ERROR) exit(1); // If ERROR message, exit program
#endif // SUPPORT_TRACELOG
}
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI)
#if defined(SUPPORT_SAVE_BMP)
// Creates a BMP image file from an array of pixel data
void SaveBMP(const char *fileName, unsigned char *imgData, int width, int height, int compSize)
{
stbi_write_bmp(fileName, width, height, compSize, imgData);
}
#endif
#if defined(SUPPORT_SAVE_PNG)
// Creates a PNG image file from an array of pixel data
void SavePNG(const char *fileName, unsigned char *imgData, int width, int height, int compSize)
{
stbi_write_png(fileName, width, height, compSize, imgData, width*compSize);
}
#endif
#endif
// Keep track of memory allocated
// NOTE: mallocType defines the type of data allocated
/*
void RecordMalloc(int mallocType, int mallocSize, const char *msg)
{
// TODO: Investigate how to record memory allocation data...
// Maybe creating my own malloc function...
}
*/
#if defined(PLATFORM_ANDROID)
// Initialize asset manager from android app
void InitAssetManager(AAssetManager *manager)
{
assetManager = manager;
}
// Replacement for fopen
FILE *android_fopen(const char *fileName, const char *mode)
{
if (mode[0] == 'w') return NULL;
AAsset *asset = AAssetManager_open(assetManager, fileName, 0);
if (!asset) return NULL;
return funopen(asset, android_read, android_write, android_seek, android_close);
}
#endif
//----------------------------------------------------------------------------------
// Module specific Functions Definition
//----------------------------------------------------------------------------------
#if defined(PLATFORM_ANDROID)
static int android_read(void *cookie, char *buf, int size)
{
return AAsset_read((AAsset *)cookie, buf, size);
}
static int android_write(void *cookie, const char *buf, int size)
{
TraceLog(ERROR, "Can't provide write access to the APK");
return EACCES;
}
static fpos_t android_seek(void *cookie, fpos_t offset, int whence)
{
return AAsset_seek((AAsset *)cookie, offset, whence);
}
static int android_close(void *cookie)
{
AAsset_close((AAsset *)cookie);
return 0;
}
#endif
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