tuxpaint-pencil-sharpener/src/android_assets.c
2023-04-23 23:26:00 -07:00

134 lines
4.1 KiB
C

/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(See COPYING.txt)
*/
#include <android/asset_manager.h>
#include <android/asset_manager_jni.h>
#include "android_assets.h"
AAssetManager *asset_manager = NULL;
char *nativelibdir = NULL;
AAssetDir *open_asset_dir(char *dirname)
{
return AAssetManager_openDir(asset_manager, dirname);
}
char *get_nativelibdir()
{
return nativelibdir;
}
void load_assets_dir(char *dirname, tp_ftw_str ** ffilenames, unsigned *num_file_names)
{
AAssetDir *assetDir = AAssetManager_openDir(asset_manager, dirname);
const char *filename = (const char *)NULL;
tp_ftw_str *filenames = NULL;
unsigned max_file_names = 0;
int fulllen = 0;
*num_file_names = 0;
while ((filename = AAssetDir_getNextFileName(assetDir)) != NULL)
{
char *cp;
fulllen = strlen(filename) + 1;
if (*num_file_names == max_file_names)
{
max_file_names = max_file_names * 5 / 4 + 30;
filenames = realloc(filenames, max_file_names * sizeof *filenames);
}
cp = malloc(fulllen + 1);
memcpy(cp, filename, fulllen);
filenames[*num_file_names].str = cp;
filenames[*num_file_names].len = fulllen;
*num_file_names = *num_file_names + 1;
}
AAssetDir_close(assetDir);
*ffilenames = filenames;
}
JNIEXPORT jboolean Java_org_tuxpaint_tuxpaintActivity_managertojni(JNIEnv * env, jclass clazz, jobject mgr)
{
asset_manager = AAssetManager_fromJava(env, mgr);
if (asset_manager == NULL)
return 0;
else
return 1;
}
JNIEXPORT void Java_org_tuxpaint_tuxpaintActivity_setnativelibdir(JNIEnv * env, jclass clazz, jstring path)
{
const char *cpath = (*env)->GetStringUTFChars(env, path, NULL);
nativelibdir = strdup(cpath);
(*env)->ReleaseStringUTFChars(env, path, cpath);
}
void load_brushes_from_assets(SDL_Surface * screen, SDL_Texture * texture,
SDL_Renderer * renderer, const char *dirname,
void (*fn)(SDL_Surface * screen,
SDL_Texture * texture,
SDL_Renderer * renderer,
const char *restrict const dir,
unsigned dirlen, tp_ftw_str * files,
unsigned count, const char *restrict const locale))
{
unsigned num_file_names = 0;
char *dir = "data/brushes";
char buf[TP_FTW_PATHSIZE];
unsigned dirlen = strlen(dirname);
memcpy(buf, dir, dirlen);
tp_ftw_str *filenames = NULL;
load_assets_dir(dirname, &filenames, &num_file_names);
fn(screen, texture, renderer, dir, dirlen, filenames, num_file_names, NULL);
}
void load_from_assets(SDL_Surface * screen, SDL_Texture * texture,
SDL_Renderer * renderer, const char *dirname,
void (*fn)(SDL_Surface * screen, SDL_Texture * texture,
SDL_Renderer * renderer,
const char *restrict const dir,
unsigned dirlen, tp_ftw_str * files,
unsigned count, const char *restrict const locale))
{
unsigned num_file_names = 0;
// char * dir = "data/stamps/cartoon/tux";
char buf[TP_FTW_PATHSIZE];
unsigned dirlen = strlen(dirname);
memcpy(buf, dirname, dirlen);
tp_ftw_str *filenames = NULL;
load_assets_dir(dirname, &filenames, &num_file_names);
fn(screen, texture, renderer, dirname, dirlen, filenames, num_file_names, NULL);
}