bool Image::writePNG(const char *path) {
const char *cpath = platformCStringPath(path);
assertmsg( buffer!=0 , "image not initialized?" );
assertmsg( width <= 2048 && height <= 2048, "image too big" );
/*Same as lodepng_encode_file, but always encodes from 32-bit RGBA raw image.*/
unsigned error;
error = lodepng_encode32_file( cpath, buffer, width, height );
if(error) {
fprintf(stderr, "lodepng_encode32_file failed%d", error );
return false;
}
return true;
}
bool Image::loadPNG( const char *path, bool multiply_color_by_alpha ) {
const char *cpath = platformCStringPath(path);
FILE *fp = fopen(cpath,"rb");
if(!fp) {
print( "Image::loadPNG: can't open file:%s", cpath );
return false;
}
unsigned error;
unsigned char* image_data;
unsigned w, h;
error = lodepng_decode32_file(&image_data, &w, &h, cpath );
if(error) {
fprintf(stderr, "decoder error %u: %s\n", error, lodepng_error_text(error) );
FREE(image_data);
fclose(fp);
return false;
}
width = w;
height = h;
if( multiply_color_by_alpha ) multiplyAlphaRGBA(image_data,width,height);
ensureBuffer();
#define IMAGE_BUFFER_COPY \
for(int i=0;i<width*height;i++){ \
int x = i % width; \
int y = (i / width); \
int ii = y * width + x; \
buffer[ii*4+0] = image_data[i*4+0]; /*r*/ \
buffer[ii*4+1] = image_data[i*4+1]; /*g*/ \
buffer[ii*4+2] = image_data[i*4+2]; /*b*/ \
buffer[ii*4+3] = image_data[i*4+3]; /*a*/ \
}
IMAGE_BUFFER_COPY;
// clean up
FREE(image_data);
fclose(fp);
strncpy( last_load_file_path, path, sizeof(last_load_file_path) );
return true;
}
Sound *SoundSystem::newSound( const char *path, float vol, bool use_stream_currently_ignored ) {
#if !defined(__linux__)
const char *cpath = platformCStringPath(path);
#endif
#ifdef USE_FMOD
FMOD_RESULT r;
FMOD_SOUND *s;
r = FMOD_System_CreateSound(sys, cpath, FMOD_SOFTWARE, 0, &s );
if( r != FMOD_OK ) {
print("newSound: can't create sound:'%s'", cpath );
}
FMOD_ERRCHECK(r);
FMOD_Sound_SetMode( s, FMOD_LOOP_OFF );
#endif
#ifdef USE_UNTZ
UNTZ::Sound *s = UNTZ::Sound::create( cpath, true );
#endif
#ifdef USE_OPENAL
ALSound *s = ALSound::create( cpath );
#endif
#ifdef __linux__
void *s = this; // TODO: implement virtual sound
#endif
if(!s) {
print("newSound failed for '%s'", path );
return 0;
}
Sound *out = new Sound(this);
out->sound = s;
out->default_volume = vol;
out->id = id_gen;
strncpy( out->last_load_file_path, path, sizeof(out->last_load_file_path) );
id_gen++;
append(out);
return out;
}