Exemplo n.º 1
0
		//-----------------------------------------------------------------//
		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;
		}
Exemplo n.º 2
0
		//-----------------------------------------------------------------//
		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;
		}
Exemplo n.º 3
0
	//-----------------------------------------------------------------//
	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;
	}
Exemplo n.º 4
0
		/*----------------------------------------------------------------------/
		/	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);
				}
Exemplo n.º 5
0
	//-----------------------------------------------------------------//
	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;
	}
Exemplo n.º 6
0
	//-----------------------------------------------------------------//
	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;
	}
Exemplo n.º 7
0
		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
Exemplo n.º 8
0
	//-----------------------------------------------------------------//
	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;
	}
Exemplo n.º 9
0
		/*----------------------------------------------------------/
		/	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;
		}