void* crOpen(const char* filename)
{
NvFile* asset = NvFOpen(filename);
if(nullptr == asset) {
crDbgStr("failed to open asset '%s'!\n", filename);
}
return asset;
}
// loads 24-bit bmp files into 32-bit RGBA texture
unsigned int *LoadBMP(char const *name, int *width, int *height)
{
NvFile *f = NvFOpen(name);
if (f == 0)
{
LOGW("error opening %s!\n", name);
return 0;
}
BITMAP_HEADER head;
BMPV3_INFO_HEADER info;
NvFRead(&head, sizeof(BITMAP_HEADER), 1, f);
NvFRead(&info, sizeof(BMPV3_INFO_HEADER), 1, f);
NvFSeek(f, head.bitmapPtr, SEEK_SET);
*width = info.bWidth;
*height = info.bHeight;
uint *imageData = new uint[info.bWidth * info.bHeight];
int scanSize = (info.bWidth * (info.bBpp >> 3) + 3) & ~0x3;
uchar *rdata = new uchar[scanSize];
for (int y = info.bHeight - 1; y >= 0; y--)
{
NvFRead(rdata, scanSize, 1, f);
// shuffle rgb
int index = y * info.bWidth;
for (int i = 0; i < info.bWidth; i++)
{
imageData[index + i] = (rdata[i * 3] << 16)
| (rdata[i * 3 + 1] << 8) | rdata[i * 3 + 2] | 0xff000000;
}
}
NvFClose(f);
delete[] rdata;
LOGI("loaded %ix%i input image", info.bWidth, info.bHeight);
return imageData;
}
// File handles
// Directly maps to fopen/fclose/fchdir/etc. Look at the man pages for docs.
MMFILE * MMfopen(const char * path)
{
std::string pathString = path;
pathString += ".mp3";
return (MMFILE*) NvFOpen(pathString.c_str());
}
