static string_type get_string(std::uint32_t cp) {
string_type str;
std::size_t byte_size = get_byte_size(cp);
str.reserve(byte_size);
switch (byte_size) {
case 4: {
str.push_back( static_cast<char_type>(cp) );
break;
}
}
return str;
}
bool base_type_die::is_rep_compatible(std::shared_ptr<type_die> arg) const
{
// first, try to make arg concrete
// HACK: strange infinite recursion bug here, so try using get_offset
if (!arg->get_concrete_type()) return false;
if (arg->get_concrete_type()->get_offset() != arg->get_offset()) return this->is_rep_compatible(
arg->get_concrete_type());
auto arg_base_type = std::dynamic_pointer_cast<base_type_die>(arg);
if (!arg_base_type) return false;
return arg_base_type->get_encoding() == this->get_encoding()
&& arg_base_type->get_byte_size() == this->get_byte_size()
&& arg_base_type->get_bit_size () == this->get_bit_size()
&& arg_base_type->get_bit_offset() == this->get_bit_offset();
}
void* dds::get_texture_data(const char* file, int* w, int* h, int* mips, base::pixelfmt* pixfmt)
{
FILE* fp = fopen(file, "rb");
if(!fp) throw base::exception("file not found");
dds_hdr hdr;
fread(&hdr, sizeof(hdr), 1, fp);
if(!get_tex2d_desc(&hdr, w, h, mips, pixfmt))
return 0;
int size = get_byte_size(*w, *h, *mips, *pixfmt);
void* data = ::malloc(size);
fread(data, size, 1, fp);
fclose(fp);
return data;
}
bool dds::save_texture(const char* file, int w, int h, int mips, base::pixelfmt fmt, const void* data)
{
if( (NULL == file) ||
(w < 1) || (h < 1) ||
(data == NULL ) )
return false;
dds_hdr hdr;
hdr._magic = DDS_MAGIC;
DDSURFACEDESC2* surf = &hdr._ddsd;
int size = get_byte_size(w, h, mips, fmt);
//
memset(surf, 0, sizeof(DDSURFACEDESC2));
surf->dwSize = 124;
surf->dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH | DDSD_PIXELFORMAT | DDSD_LINEARSIZE;
if(mips>1)
surf->dwFlags |= DDSD_MIPMAPCOUNT;
surf->dwWidth = w;
surf->dwHeight = h;
surf->dwPitchOrLinearSize = size;
surf->dwMipMapCount = mips;
if(!fill_pixel_format(&surf->ddpfPixelFormat, fmt))
return false;
surf->ddsCaps.dwCaps1 = DDSCAPS_TEXTURE;
if(mips>1)
surf->ddsCaps.dwCaps1 |= DDSCAPS_MIPMAP | DDSCAPS_COMPLEX;
//write to file
FILE *fp = fopen(file, "wb");
fwrite(&hdr, sizeof(hdr), 1, fp);
fwrite(data, 1, size, fp);
fclose(fp);
return true;
}