raylib/src/utils.h
Ray 17878550b1 Review heades usage
This is a first step toward a bigger project. Some modules could be
ported to header-only to be used as standalone.
2016-06-02 01:26:44 +02:00

91 lines
3.9 KiB
C

/**********************************************************************************************
*
* raylib.utils
*
* Some utility functions: rRES files data decompression
*
* Copyright (c) 2014 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.
*
**********************************************************************************************/
#ifndef UTILS_H
#define UTILS_H
#if defined(PLATFORM_ANDROID)
#include <stdio.h> // Required for: FILE
#include <android/asset_manager.h> // Required for: AAssetManager
#endif
//----------------------------------------------------------------------------------
// Some basic Defines
//----------------------------------------------------------------------------------
#define DO_NOT_TRACE_DEBUG_MSGS // Use this define to avoid DEBUG tracing
#if defined(PLATFORM_ANDROID)
#define fopen(name, mode) android_fopen(name, mode)
#endif
//----------------------------------------------------------------------------------
// Types and Structures Definition
//----------------------------------------------------------------------------------
typedef enum { IMAGE = 0, SOUND, MODEL, TEXT, RAW } DataType;
typedef enum { INFO = 0, ERROR, WARNING, DEBUG, OTHER } TraceLogType;
// One resource info header, every resource includes this header (8 byte)
typedef struct {
unsigned short id; // Resource unique identifier (2 byte)
unsigned char type; // Resource type (1 byte)
unsigned char comp; // Data Compression and Coding (1 byte)
unsigned int size; // Data size in .rres file (compressed or not, only DATA) (4 byte)
unsigned int srcSize; // Source data size (uncompressed, only DATA)
} ResInfoHeader;
#ifdef __cplusplus
extern "C" { // Prevents name mangling of functions
#endif
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
// Nop...
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
unsigned char *DecompressData(const unsigned char *data, unsigned long compSize, int uncompSize);
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI)
void WriteBitmap(const char *fileName, unsigned char *imgData, int width, int height);
void WritePNG(const char *fileName, unsigned char *imgData, int width, int height, int compSize);
#endif
void TraceLog(int msgType, const char *text, ...); // Outputs a trace log message
const char *GetExtension(const char *fileName); // Returns extension of a filename
int GetNextPOT(int num); // Calculate next power-of-two value for a given num
#if defined(PLATFORM_ANDROID)
void InitAssetManager(AAssetManager *manager); // Initialize asset manager from android app
FILE *android_fopen(const char *fileName, const char *mode); // Replacement for fopen()
#endif
#ifdef __cplusplus
}
#endif
#endif // UTILS_H