aboutsummaryrefslogtreecommitdiff
path: root/common
diff options
context:
space:
mode:
Diffstat (limited to 'common')
-rw-r--r--common/iff_container.h228
-rw-r--r--common/module.mk1
2 files changed, 229 insertions, 0 deletions
diff --git a/common/iff_container.h b/common/iff_container.h
new file mode 100644
index 0000000000..730163254f
--- /dev/null
+++ b/common/iff_container.h
@@ -0,0 +1,228 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2006 The ScummVM project
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef COMMON_IFF_CONTAINER_H
+#define COMMON_IFF_CONTAINER_H
+
+#include "common/stdafx.h"
+#include "common/scummsys.h"
+#include "common/endian.h"
+#include "common/stream.h"
+#include "common/util.h"
+
+namespace Common {
+
+typedef uint32 IFF_ID;
+
+#define ID_FORM MKID_BE('FORM')
+/* EA IFF 85 group identifier */
+#define ID_CAT MKID_BE('CAT ')
+/* EA IFF 85 group identifier */
+#define ID_LIST MKID_BE('LIST')
+/* EA IFF 85 group identifier */
+#define ID_PROP MKID_BE('PROP')
+/* EA IFF 85 group identifier */
+#define ID_END MKID_BE('END ')
+/* unofficial END-of-FORM identifier (see Amiga RKM Devices Ed.3
+page 376) */
+#define ID_ILBM MKID_BE('ILBM')
+/* EA IFF 85 raster bitmap form */
+#define ID_DEEP MKID_BE('DEEP')
+/* Chunky pixel image files (Used in TV Paint) */
+#define ID_RGB8 MKID_BE('RGB8')
+/* RGB image forms, Turbo Silver (Impulse) */
+#define ID_RGBN MKID_BE('RGBN')
+/* RGB image forms, Turbo Silver (Impulse) */
+#define ID_PBM MKID_BE('PBM ')
+/* 256-color chunky format (DPaint 2 ?) */
+#define ID_ACBM MKID_BE('ACBM')
+/* Amiga Contiguous Bitmap (AmigaBasic) */
+#define ID_8SVX MKID_BE('8SVX')
+/* Amiga 8 bits voice */
+
+/* generic */
+
+#define ID_FVER MKID_BE('FVER')
+/* AmigaOS version string */
+#define ID_JUNK MKID_BE('JUNK')
+/* always ignore this chunk */
+#define ID_ANNO MKID_BE('ANNO')
+/* EA IFF 85 Generic Annotation chunk */
+#define ID_AUTH MKID_BE('AUTH')
+/* EA IFF 85 Generic Author chunk */
+#define ID_CHRS MKID_BE('CHRS')
+/* EA IFF 85 Generic character string chunk */
+#define ID_NAME MKID_BE('NAME')
+/* EA IFF 85 Generic Name of art, music, etc. chunk */
+#define ID_TEXT MKID_BE('TEXT')
+/* EA IFF 85 Generic unformatted ASCII text chunk */
+#define ID_copy MKID_BE('(c) ')
+/* EA IFF 85 Generic Copyright text chunk */
+
+/* ILBM chunks */
+
+#define ID_BMHD MKID_BE('BMHD')
+/* ILBM BitmapHeader */
+#define ID_CMAP MKID_BE('CMAP')
+/* ILBM 8bit RGB colormap */
+#define ID_GRAB MKID_BE('GRAB')
+/* ILBM "hotspot" coordiantes */
+#define ID_DEST MKID_BE('DEST')
+/* ILBM destination image info */
+#define ID_SPRT MKID_BE('SPRT')
+/* ILBM sprite identifier */
+#define ID_CAMG MKID_BE('CAMG')
+/* Amiga viewportmodes */
+#define ID_BODY MKID_BE('BODY')
+/* ILBM image data */
+#define ID_CRNG MKID_BE('CRNG')
+/* color cycling */
+#define ID_CCRT MKID_BE('CCRT')
+/* color cycling */
+#define ID_CLUT MKID_BE('CLUT')
+/* Color Lookup Table chunk */
+#define ID_DPI MKID_BE('DPI ')
+/* Dots per inch chunk */
+#define ID_DPPV MKID_BE('DPPV')
+/* DPaint perspective chunk (EA) */
+#define ID_DRNG MKID_BE('DRNG')
+/* DPaint IV enhanced color cycle chunk (EA) */
+#define ID_EPSF MKID_BE('EPSF')
+/* Encapsulated Postscript chunk */
+#define ID_CMYK MKID_BE('CMYK')
+/* Cyan, Magenta, Yellow, & Black color map (Soft-Logik) */
+#define ID_CNAM MKID_BE('CNAM')
+/* Color naming chunk (Soft-Logik) */
+#define ID_PCHG MKID_BE('PCHG')
+/* Line by line palette control information (Sebastiano Vigna) */
+#define ID_PRVW MKID_BE('PRVW')
+/* A mini duplicate ILBM used for preview (Gary Bonham) */
+#define ID_XBMI MKID_BE('XBMI')
+/* eXtended BitMap Information (Soft-Logik) */
+#define ID_CTBL MKID_BE('CTBL')
+/* Newtek Dynamic Ham color chunk */
+#define ID_DYCP MKID_BE('DYCP')
+/* Newtek Dynamic Ham chunk */
+#define ID_SHAM MKID_BE('SHAM')
+/* Sliced HAM color chunk */
+#define ID_ABIT MKID_BE('ABIT')
+/* ACBM body chunk */
+#define ID_DCOL MKID_BE('DCOL')
+/* unofficial direct color */
+#define ID_DPPS MKID_BE('DPPS')
+/* ? */
+#define ID_TINY MKID_BE('TINY')
+/* ? */
+#define ID_DPPV MKID_BE('DPPV')
+/* ? */
+
+/* 8SVX chunks */
+
+#define ID_VHDR MKID_BE('VHDR')
+/* 8SVX Voice8Header */
+
+
+char * ID2string(Common::IFF_ID id);
+
+
+class IFFChunk : public Common::ReadStream {
+
+protected:
+ Common::ReadStream *_input;
+ uint32 bytesRead;
+
+public:
+ IFF_ID id;
+ uint32 size;
+
+ IFFChunk(Common::ReadStream *input): _input(input) {
+ size = bytesRead = 0;
+ }
+
+ void incBytesRead(uint32 inc) {
+ bytesRead += inc;
+ if (bytesRead > size) {
+ error("Chunk overead");
+ }
+ }
+
+ void readHeader() {
+ id = _input->readUint32BE();
+ size = _input->readUint32BE();
+ bytesRead = 0;
+ }
+
+ void feed() {
+ if (size % 2) {
+ size++;
+ }
+ while (!_input->eos() && !eos()) {
+ readByte();
+ }
+ }
+
+ // Common::ReadStream implementation
+ bool eos() const {
+ return (size - bytesRead) == 0;
+ }
+
+ uint32 read(void *dataPtr, uint32 dataSize) {
+ incBytesRead(dataSize);
+ return _input->read(dataPtr, dataSize);
+ }
+
+};
+
+class IFFParser {
+public:
+ IFFParser(Common::ReadStream &input) : _formChunk(&input), _chunk(&input) {
+ _formChunk.readHeader();
+ if (_formChunk.id != ID_FORM) {
+ error("IFFDecoder input is not a FORM type IFF file");
+ }
+ _typeId = _formChunk.readUint32BE();
+ }
+
+ virtual ~IFFParser() {}
+
+ IFFChunk *nextChunk() {
+ _chunk.feed();
+ _formChunk.incBytesRead(_chunk.size);
+
+ if (_formChunk.eos())
+ return 0;
+
+ _formChunk.incBytesRead(8);
+ _chunk.readHeader();
+
+ return &_chunk;
+ }
+
+ IFF_ID _typeId;
+
+protected:
+ IFFChunk _formChunk;
+ IFFChunk _chunk;
+};
+
+} // namespace Common
+
+#endif
diff --git a/common/module.mk b/common/module.mk
index e388eace74..f149c1d152 100644
--- a/common/module.mk
+++ b/common/module.mk
@@ -7,6 +7,7 @@ MODULE_OBJS := \
file.o \
fs.o \
hashmap.o \
+ iff_container.o \
md5.o \
mutex.o \
str.o \