//-----------------------------------------------------------------//
bool write(utils::file_io& fout) {
size_t s = waves_.size();
if(zero_.bits() == 24) {
for(auto w : waves_) {
if(fout.write(&w, zero_.size()) != zero_.size()) return false;
}
} else {
if(fout.write(&waves_[0], zero_.size(), s) != s) return false;
}
return true;
}
//-----------------------------------------------------------------//
bool read(utils::file_io& fin) {
size_t s = waves_.size();
if(zero_.bits() == 24) {
for(size_t i = 0; i < s; ++i) {
if(fin.read(&waves_[i], zero_.size()) != zero_.size()) return false;
}
} else {
if(fin.read(&waves_[0], zero_.size(), s) != s) return false;
}
return true;
}
//-----------------------------------------------------------------//
bool jpeg_io::probe(utils::file_io& fin)
{
unsigned char sig[2];
long pos = fin.tell();
size_t l = fin.read(sig, 1, 2);
fin.seek(pos, utils::file_io::seek::set);
if(l == 2) {
if(sig[0] == 0xff && sig[1] == 0xd8) {
return true;
}
}
return false;
}
/*----------------------------------------------------------------------/
/ インデックス・カラー(無圧縮 1, 4, 8 ビット) 形式の画像データを展開 /
/----------------------------------------------------------------------*/
bool read_idx_(utils::file_io& fin, const bmp_info& bmp)
{
size_t stride = bmp.width * bmp.depth;
if(stride & 7) stride += 8;
stride >>= 3;
if(stride & 3) stride += 4 - (stride & 3);
char tmp[stride];
char* buf = tmp;
short d;
vtx::spos pos;
if(bmp.topdown) {
pos.y = 0;
d = 1;
} else {
pos.y = bmp.height - 1;
d = -1;
}
for(int h = 0; h < bmp.height; ++h) {
if(fin.read(buf, 1, stride) != stride) {
return false;
}
int depth = 0;
for(pos.x = 0; pos.x < bmp.width; ++pos.x) {
unsigned char idx = buf[depth / 8];
if(bmp.depth == 4) {
if(~pos.x & 1) idx >>= 4;
idx &= 15;
} else if(bmp.depth == 1) {
idx >>= (~pos.x & 3);
idx &= 1;
}
depth += bmp.depth;
render_idx_(pos.x, pos.y, idx);
}
//-----------------------------------------------------------------//
bool devrec::load(utils::file_io& fin)
{
long fs = fin.get_file_size();
m_record.resize(fs / rec_pad_size);
for(unsigned int i = 0; i < m_record.size(); ++i) {
m_record[i].read(fin);
}
#ifdef __PPU__
utils::file_io::reorder_memory(&m_record[0], fs, "ssbb");
#endif
m_get_pos = 0;
return true;
}
//-----------------------------------------------------------------//
uint32_t sound::load(utils::file_io& fin, const std::string& ext)
{
if(!snd_files_.load(fin, ext)) {
fin.close();
return 0;
}
uint32_t no = 0;
const audio aif = snd_files_.get_audio();
if(aif) {
al::audio_io::wave_handle wh = audio_io_.create_wave(aif);
if(wh) {
no = ses_.size();
ses_.push_back(wh);
}
}
return no;
}
bool load_(utils::file_io& fio) {
area_.min_ = 0xffffffff;
area_.max_ = 0x00000000;
uint32_t value = 0;
uint32_t type = 0;
uint32_t length = 0;
uint32_t address = 0;
uint32_t sum = 0;
int vcnt = 0;
bool toend = false;
int mode = 0;
while(1) {
char ch;
if(!fio.get_char(ch)) {
break;
}
if(ch == ' ') {
} else if(ch == 0x0d || ch == 0x0a) {
if(toend) break;
} else if(mode == 0 && ch == 'S') {
mode = 1;
value = vcnt = 0;
} else if(ch >= '0' && ch <= '9') {
value <<= 4;
value |= ch - '0';
++vcnt;
} else if(ch >= 'A' && ch <= 'F') {
value <<= 4;
value |= ch - 'A' + 10;
++vcnt;
} else {
std::cerr << "S format illegual character: '";
if(ch >= 0x20 && ch <= 0x7f) {
std::cerr << ch;
} else {
std::cerr << boost::format("0x%02X") % static_cast<int>(ch);
}
std::cerr << "'" << std::endl;
return false;
}
if(mode == 1) { // タイプ取得
if(vcnt == 1) {
type = value;
mode = 2;
value = vcnt = 0;
}
} else if(mode == 2) { // レングス取得
if(vcnt == 2) {
length = value;
sum = value;
mode = 3;
value = vcnt = 0;
}
} else if(mode == 3) { // アドレス取得
int alen = 0;
if(type == 0) {
alen = 4;
} else if(type == 1) {
alen = 4;
} else if(type == 2) {
alen = 6;
} else if(type == 3) {
alen = 8;
} else if(type == 5) {
alen = 4;
} else if(type == 7) {
alen = 8;
} else if(type == 8) {
alen = 6;
} else if(type == 9) {
alen = 4;
} else {
return false;
}
if(vcnt == alen) {
address = value;
if(type >= 1 && type <= 3) {
if(area_.min_ > address) area_.min_ = address;
}
alen >>= 1;
length -= alen;
length -= 1; // SUM の分サイズを引く
while(alen > 0) {
sum += value;
value >>= 8;
--alen;
}
if(type >= 1 && type <= 3) {
mode = 4;
} else if(type >= 7 && type <= 9) {
exec_ = value;
mode = 5;
} else {
mode = 4;
}
value = vcnt = 0;
}
} else if(mode == 4) { // データ・レコード
//-----------------------------------------------------------------//
bool jpeg_io::info(utils::file_io& fin, img::img_info& fo)
{
if(!probe(fin)) {
return false;
}
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr errmgr;
long pos = fin.tell();
// エラーのハンドリング
cinfo.err = jpeg_std_error(&errmgr);
errmgr.error_exit = error_exit_task;
// 構造体の初期設定
jpeg_create_decompress(&cinfo);
// file_io クラス設定
fio_jpeg_file_io_src(&cinfo, &fin);
// ファイルの情報ヘッダの読込み
error_code_ = 0;
jpeg_read_header(&cinfo, TRUE);
fin.seek(pos, utils::file_io::seek::set);
if(error_code_) {
/// std::endl << "JPEG decode error: 'header'(" << static_cast<int>(error_code_) << ")" << std::endl;
jpeg_destroy_decompress(&cinfo);
return false;
}
fo.width = cinfo.output_width;
fo.height = cinfo.output_height;
fo.mipmap_level = 0;
fo.multi_level = 0;
fo.i_depth = 0;
if(cinfo.output_components == 4) {
fo.r_depth = 8;
fo.g_depth = 8;
fo.b_depth = 8;
fo.a_depth = 8;
fo.grayscale = false;
} else if(cinfo.output_components == 3) {
fo.r_depth = 8;
fo.g_depth = 8;
fo.b_depth = 8;
fo.a_depth = 0;
fo.grayscale = false;
} else if(cinfo.output_components == 2) {
fo.r_depth = 8;
fo.g_depth = 8;
fo.b_depth = 8;
fo.a_depth = 8;
fo.grayscale = true;
} else if(cinfo.output_components == 1) {
fo.r_depth = 8;
fo.g_depth = 8;
fo.b_depth = 8;
fo.a_depth = 0;
fo.grayscale = true;
} else {
fo.r_depth = 0;
fo.g_depth = 0;
fo.b_depth = 0;
fo.a_depth = 0;
fo.grayscale = false;
return false;
}
return true;
}
/*----------------------------------------------------------/
/ bmp ファイルヘッダーのみ展開して、情報を得る /
/----------------------------------------------------------*/
static bool read_header_bmp_(utils::file_io& fin, bmp_info& bmp)
{
uint8_t bfh[FILEHED_SIZE + BMPV5HED_SIZE];
uint8_t *const bih = bfh + FILEHED_SIZE;
// skip MAC-Binary header がある場合を考えてヘッダーを特定
for(int i = 0; i < 512; i++) {
if(fin.read(bfh, (FILEHED_SIZE + BIHSIZE_SIZE), 1) != 1) {
return false;
}
if(mgetwl_(bfh + BFH_WTYPE) == BMP_SIGNATURE) break;
if(i != 0) {
return false;
}
if(fin.read(bfh, (128 - FILEHED_SIZE - BIHSIZE_SIZE), 1) != 1) {
return false;
}
}
bmp.offbits = mgetdwl_(bfh + BFH_DOFFBITS);
bmp.bihsize = mgetdwl_(bfh + BFH_DBIHSIZE);
bmp.skip = bmp.offbits - bmp.bihsize - FILEHED_SIZE;
if(bmp.bihsize < COREHED_SIZE || bmp.bihsize > BMPV5HED_SIZE
|| bmp.offbits < (bmp.bihsize + FILEHED_SIZE)) {
return false;
}
if(fin.read((bih + BIHSIZE_SIZE), (bmp.bihsize - BIHSIZE_SIZE), 1) != 1) {
return false;
}
bmp.topdown = false;
if(bmp.bihsize >= INFOHED_SIZE) {
// [Windows] style BMP
bmp.width = mgetdwl_(bih + BIH_LWIDTH);
bmp.height = mgetdwl_(bih + BIH_LHEIGHT);
bmp.depth = mgetwl_(bih + BIH_WBITCOUNT);
bmp.compression = mgetdwl_(bih + BIH_DCOMPRESSION);
bmp.palette_size = RGBQUAD_SIZE;
if(static_cast<int>(bmp.height) < 0) {
bmp.height = -static_cast<int>(bmp.height);
bmp.topdown = true;
}
} else {
// [OS/2] style BMP
bmp.width = mgetwl_(bih + BCH_WWIDTH);
bmp.height = mgetwl_(bih + BCH_WHEIGHT);
bmp.depth = mgetwl_(bih + BCH_WBITCOUNT);
bmp.compression = BI_RGB;
bmp.palette_size = RGBTRIPLE_SIZE;
}
if(bmp.width <= 0 || bmp.width >= BMP_MAX_WIDTH) {
return false;
}
if(bmp.height <= 0 || bmp.height >= BMP_MAX_HEIGHT) {
return false;
}
bmp.alpha_chanel = false;
switch(bmp.compression) {
case BI_RGB:
if(bmp.depth != 1 && bmp.depth != 4 && bmp.depth != 8
&& bmp.depth != 16 && bmp.depth != 24 && bmp.depth != 32) {
return false;
}
// RGB565 16bits color
if(bmp.depth == 16) {
bmp.color_mask.a = 0x0000;
bmp.color_mask.r = 0x7C00;
bmp.color_mask.g = 0x03E0;
bmp.color_mask.b = 0x001F;
bmp.compression = BI_BITFIELDS;
}
break;
case BI_BITFIELDS:
if(bmp.depth != 16 && bmp.depth != 32) {
return false;
}
if(bmp.bihsize < INFOHED_SIZE + 12) {
if(bmp.skip < (INFOHED_SIZE + 12 - bmp.bihsize)) {
return false;
}
if(fin.read((bih + bmp.bihsize), (INFOHED_SIZE + 12 - bmp.bihsize), 1) != 1) {
return false;
}
bmp.skip -= (INFOHED_SIZE + 12 - bmp.bihsize);
}
bmp.color_mask.a = 0x00000000;
bmp.color_mask.r = mgetdwl_(bih + B4H_DREDMASK);
bmp.color_mask.g = mgetdwl_(bih + B4H_DGREENMASK);
bmp.color_mask.b = mgetdwl_(bih + B4H_DBLUEMASK);
if(bmp.depth == 32 && bmp.bihsize >= (INFOHED_SIZE + 16)) {
bmp.color_mask.a = mgetdwl_(bih + B4H_DALPHAMASK);
if(bmp.color_mask.a != 0) {
bmp.alpha_chanel = true;
}
}
if(bmp.depth == 32 && bmp.color_mask.b == 0x000000FF &&
bmp.color_mask.g == 0x0000FF00 && bmp.color_mask.r == 0x00FF0000 &&
(bmp.color_mask.a == 0xFF000000 || bmp.color_mask.a == 0x00000000)) {
bmp.compression = BI_RGB;
}
break;
case BI_RLE8:
if(bmp.depth != 8) {
return false;
}
break;
case BI_RLE4:
if(bmp.depth != 4) {
return false;
}
break;
default:
return false;
}
return true;
}
