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Diffstat (limited to 'templates/android_project/src/raylib_stripped/utils.c')
| -rw-r--r-- | templates/android_project/src/raylib_stripped/utils.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/templates/android_project/src/raylib_stripped/utils.c b/templates/android_project/src/raylib_stripped/utils.c new file mode 100644 index 00000000..59bf19e4 --- /dev/null +++ b/templates/android_project/src/raylib_stripped/utils.c @@ -0,0 +1,214 @@ +/********************************************************************************************** +* +* 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 LOG_DEBUG traces not shown +* +* #define SUPPORT_TRACELOG_DEBUG +* Show TraceLog() LOG_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 LOG_DEBUG messages tracing + +#include "raylib.h" // Required for: LogType enum +#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 +//---------------------------------------------------------------------------------- + +// Show trace log messages (LOG_INFO, LOG_WARNING, LOG_ERROR, LOG_DEBUG) +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 LOG_INFO: strcpy(buffer, "INFO: "); break; + case LOG_ERROR: strcpy(buffer, "ERROR: "); break; + case LOG_WARNING: strcpy(buffer, "WARNING: "); break; + case LOG_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 LOG_INFO: __android_log_vprint(ANDROID_LOG_INFO, "raylib", buffer, args); break; + case LOG_ERROR: __android_log_vprint(ANDROID_LOG_ERROR, "raylib", buffer, args); break; + case LOG_WARNING: __android_log_vprint(ANDROID_LOG_WARN, "raylib", buffer, args); break; + case LOG_DEBUG: if (traceDebugMsgs) __android_log_vprint(ANDROID_LOG_DEBUG, "raylib", buffer, args); break; + default: break; + } +#else + if ((msgType != LOG_DEBUG) || ((msgType == LOG_DEBUG) && (traceDebugMsgs))) vprintf(buffer, args); +#endif + + va_end(args); + + if (msgType == LOG_ERROR) exit(1); // If LOG_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(LOG_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 |