Added libksquirrel for KDE3

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/libraries/libksquirrel@1095624 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

3 files changed, 550 insertions, 0 deletions

diff --git a/kernel/kls_fli/Makefile.am b/kernel/kls_fli/Makefile.am
new file mode 100644
index 0000000..7570336
--- /dev/null
+++ b/kernel/kls_fli/Makefile.am
@@ -0,0 +1,9 @@
+INCLUDES = -I../include
+
+pkglib_LTLIBRARIES = libkls_fli.la
+
+libkls_fli_la_SOURCES = fmt_codec_fli.cpp fmt_codec_fli_defs.h
+
+libkls_fli_la_LDFLAGS = ${SQ_RELEASE}
+
+libkls_fli_la_LIBADD = ${SQ_LOCAL_RPATH}
diff --git a/kernel/kls_fli/fmt_codec_fli.cpp b/kernel/kls_fli/fmt_codec_fli.cpp
new file mode 100644
index 0000000..d186d98
--- /dev/null
+++ b/kernel/kls_fli/fmt_codec_fli.cpp
@@ -0,0 +1,449 @@
+/*  This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
+
+    Copyright (c) 2005 Dmitry Baryshev <[email protected]>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation;
+    either version 2 of the License, or (at your option) any later
+    version.
+
+    This library 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
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    as32 with this library; see the file COPYING.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include <iostream>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "ksquirrel-libs/fmt_types.h"
+#include "ksquirrel-libs/fileio.h"
+#include "ksquirrel-libs/error.h"
+#include "ksquirrel-libs/fmt_utils.h"
+
+#include "fmt_codec_fli_defs.h"
+#include "fmt_codec_fli.h"
+
+#include "../xpm/codec_fli.xpm"
+
+/*
+ *
+ * The FLI file format (sometimes called Flic)
+ * is one of the most popular
+ * animation formats found in the MS-DOS and Windows environments today. FLI is
+ * used widely in animation programs, computer games, and CAD applications
+ * requiring 3D manipulation of vector drawings. Flic, in common
+ * with most animation formats, does not support either audio or video data, but
+ * instead stores only sequences of still image data.
+ *
+ */
+
+// maximum number of frames in FLI is 1024
+#define MAX_FRAME 1024
+
+fmt_codec::fmt_codec() : fmt_codec_base()
+{}
+
+fmt_codec::~fmt_codec()
+{}
+
+void fmt_codec::options(codec_options *o)
+{
+    o->version = "0.3.2";
+    o->name = "FLI Animation";
+    o->filter = "*.fli ";
+    o->config = "";
+    o->mime = "";
+    o->mimetype = "video/x-flic";
+    o->pixmap = codec_fli;
+    o->readable = true;
+    o->canbemultiple = true;
+    o->writestatic = false;
+    o->writeanimated = false;
+    o->needtempfile = false;
+}
+
+s32 fmt_codec::read_init(const std::string &file)
+{
+    frs.open(file.c_str(), ios::binary | ios::in);
+    
+    if(!frs.good())
+        return SQE_R_NOFILE;
+			
+    if(!frs.readK(&flic, sizeof(FLICHEADER)))
+	return SQE_R_BADFILE;
+
+    if(flic.FileId != 0xAF11)// && flic.FileId != 0xAF12)
+	return SQE_R_BADFILE;
+
+    if(flic.Flags != 3)
+	cerr << "libSQ_read_fli: WARNING: Flags != 3" << endl;
+
+    memset(pal, 0, 768);
+
+    currentImage = -1;
+    
+    buf = (u8**)calloc(flic.Height, sizeof(u8*));
+
+    if(!buf)
+	return SQE_R_NOMEMORY;
+
+    for(s32 i = 0;i < flic.Height;i++)
+    {
+	buf[i] = (u8*)0;
+    }
+
+    for(s32 i = 0;i < flic.Height;i++)
+    {
+	buf[i] = (u8*)calloc(flic.Width, sizeof(u8));
+	
+	if(!buf[i])
+	    return SQE_R_NOMEMORY;
+    }
+    
+    finfo.animated = false;
+
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_next()
+{
+    currentImage++;
+
+    if(currentImage == flic.NumberOfFrames || currentImage == MAX_FRAME)
+	return SQE_NOTOK;
+
+    fmt_image image;
+
+    image.w = flic.Width;
+    image.h = flic.Height;
+    image.bpp = 8;
+    image.delay = (s32)((float)flic.FrameDelay * 14.3);
+    finfo.animated = (currentImage) ? true : false;
+
+//    prs32f("%dx%d@%d, delay: %d\n", flic.Width, flic.Height, flic.PixelDepth, finfo.image[currentImage].delay);
+
+    CHUNKHEADER chunk;
+    CHUNKHEADER subchunk;
+    u16 subchunks;
+
+    fstream::pos_type pos = frs.tellg();
+//    prs32f("POS AFTER HEADER: %d\n", pos);
+
+    while(true)
+    {
+	if(!skip_flood(frs))
+	    return SQE_R_BADFILE;
+
+	if(!frs.readK(&chunk, sizeof(CHUNKHEADER)))
+	    return SQE_R_BADFILE;
+
+//	prs32f("Read MAIN chunk: size: %d, type: %X\n", chunk.size, chunk.type);
+
+	if(chunk.type != CHUNK_PREFIX_TYPE &&
+		    chunk.type != CHUNK_SCRIPT_CHUNK && 
+		    chunk.type != CHUNK_FRAME_TYPE &&
+		    chunk.type != CHUNK_SEGMENT_TABLE &&
+		    chunk.type != CHUNK_HUFFMAN_TABLE)
+	    return SQE_R_BADFILE;
+
+	if(chunk.type != CHUNK_FRAME_TYPE)
+	    frs.seekg(chunk.size - sizeof(CHUNKHEADER), ios::cur);
+	else
+	{
+	    if(!frs.readK(&subchunks, sizeof(u16)))
+		return SQE_R_BADFILE;
+//	    prs32f("Chunk #%X has %d subchunks\n", chunk.type, subchunks);
+	    frs.seekg(sizeof(u16) * 4, ios::cur);
+	    break;
+	}
+    }
+
+//    prs32f("POS MAIN: %d\n", ftell(fptr));
+//    fsetpos(fptr, (fpos_t*)&pos);
+//    fseek(fptr, chunk.size, SEEK_CUR);
+//    prs32f("POS2 MAIN: %d\n", ftell(fptr));
+
+    while(subchunks--)
+    {
+        pos = frs.tellg(); 
+
+        if(!frs.readK(&subchunk, sizeof(CHUNKHEADER)))
+	    return SQE_R_BADFILE;
+
+//	prs32f("*** Subchunk: %d\n", subchunk.type);
+
+	switch(subchunk.type)
+        {
+    	    case CHUNK_COLOR_64:
+    	    case CHUNK_COLOR_256:
+	    {
+//		prs32f("*** Palette64 CHUNK\n");
+		u8 skip, count;
+		u16 packets;
+		RGB e;
+
+		if(!frs.readK(&packets, sizeof(u16)))
+		    return SQE_R_BADFILE;
+//		prs32f("COLOR_64 packets: %d\n", packets);
+
+		for(s32 i = 0;i < packets;i++)
+		{
+		    if(!frs.readK(&skip, 1)) return SQE_R_BADFILE;
+		    if(!frs.readK(&count, 1)) return SQE_R_BADFILE;
+//		    prs32f("COLOR64 skip: %d, count: %d\n", skip, count);
+
+		    if(count)
+		    {
+			for(s32 j = 0;j < count;j++)
+			{
+			    if(!frs.readK(&e, sizeof(RGB))) return SQE_R_BADFILE;
+//			    prs32f("COLOR_64 PALLETTE CHANGE %d,%d,%d\n", e.r, e.g, e.b);
+			}
+		    }
+		    else
+		    {
+//			prs32f("Reading pallette...\n");
+			if(!frs.readK(pal, sizeof(RGB) * 256)) return SQE_R_BADFILE;
+
+			u8 *pp = (u8 *)pal;
+
+			if(subchunk.type == CHUNK_COLOR_64)
+			    for(s32 j = 0;j < 768;j++)
+				pp[j] <<= 2;
+
+//			for(s32 j = 0;j < 256;j++)
+//			prs32f("COLOR_64 PALLETTE %d,%d,%d\n", pal[j].r, pal[j].g, pal[j].b);
+//			prs32f("\n");
+		    }
+		}
+	    }
+	    break;
+
+	    case CHUNK_RLE:
+	    {
+//		prs32f("*** RLE DATA CHUNK\n");
+		u8 value;
+		s8 c;
+		s32 count;
+
+		for(s32 j = 0;j < image.h;j++)
+		{
+		    s32 index = 0;
+		    count = 0;
+		    if(!frs.readK(&c, 1)) return SQE_R_BADFILE;
+
+		    while(count < image.w)
+		    {
+			if(!frs.readK(&c, 1)) return SQE_R_BADFILE;
+
+			if(c < 0)
+			{
+			    c = -c;
+
+			    for(s32 i = 0;i < c;i++)
+			    {
+				if(!frs.readK(&value, 1)) return SQE_R_BADFILE;
+				buf[j][index] = value;
+				index++;
+			    }
+
+			    count += c;
+			}
+			else
+			{
+			    if(!frs.readK(&value, 1)) return SQE_R_BADFILE;
+
+			    for(s32 i = 0;i < c;i++)
+			    {
+				buf[j][index] = value;
+				index++;
+			    }
+
+			    count += c;
+			}
+		    }
+		}
+	    }
+	    break;
+	    
+	    case CHUNK_DELTA_FLI:
+	    {
+		u16 starty, totaly, ally, index;
+		u8 packets, skip, byte;
+		s8 size;
+		s32 count;
+
+		if(!frs.readK(&starty, 2)) return SQE_R_BADFILE;
+		if(!frs.readK(&totaly, 2)) return SQE_R_BADFILE;
+
+		ally = starty + totaly;
+		
+//		prs32f("Y: %d, Total: %d\n", starty, totaly);
+
+		for(s32 j = starty;j < ally;j++)
+		{
+		    count = 0;
+		    index = 0;
+
+		    if(!frs.readK(&packets, 1)) return SQE_R_BADFILE;
+
+		    while(count < image.w)
+		    {
+			for(s32 k = 0;k < packets;k++)
+			{
+//			    prs32f("LINE %d\n", j);
+			    if(!frs.readK(&skip, 1)) return SQE_R_BADFILE;
+			    if(!frs.readK(&size, 1)) return SQE_R_BADFILE;
+
+			    index += skip;
+			    
+//			    prs32f("SKIP: %d, SIZE: %d\n", skip, size);
+
+			    if(size > 0)
+			    {
+				if(!frs.readK(buf[j]+index, size)) return SQE_R_BADFILE;
+			    }
+			    else if(size < 0)
+			    {
+				size = -size;
+				if(!frs.readK(&byte, 1)) return SQE_R_BADFILE;
+				memset(buf[j]+index, byte, size);
+			    }
+
+			    index += size;
+			    count += size;
+			}
+
+			break;
+		    }
+		}
+	    }
+	    break;
+
+	    case CHUNK_BLACK:
+	    break;
+
+	    case CHUNK_COPY:
+	    {
+//		prs32f("*** COPY DATA CHUNK\n");
+
+		for(s32 j = 0;j < image.h;j++)
+		{
+		    if(!frs.readK(buf[j], image.w)) return SQE_R_BADFILE;
+		}
+	    }
+	    break;
+
+	    default:
+//		prs32f("*** UNKNOWN CHUNK! SEEKING ANYWAY\n");
+		frs.seekg(pos);
+		frs.seekg(subchunk.size, ios::cur);
+	}
+
+//	prs32f("POS: %d\n", ftell(fptr));
+//	prs32f("POS2: %d\n", ftell(fptr));
+    }
+
+    image.compression = "RLE/DELTA_FLI";
+    image.colorspace = "Color indexed";
+
+    finfo.image.push_back(image);
+
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_next_pass()
+{
+    line = -1;
+
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_scanline(RGBA *scan)
+{
+    line++;
+    fmt_image *im = image(currentImage);
+    fmt_utils::fillAlpha(scan, im->w);
+
+    for(s32 i = 0;i < im->w;i++)
+    {
+	memcpy(scan+i, pal+buf[line][i], sizeof(RGB));
+    }
+
+    return SQE_OK;
+}
+
+void fmt_codec::read_close()
+{
+    if(buf)
+    {
+	for(s32 i = 0;i < flic.Height;i++)
+	    if(buf[i])
+		free(buf[i]);
+
+	free(buf);
+    }
+
+    frs.close();
+    
+    finfo.meta.clear();
+    finfo.image.clear();
+}
+
+bool find_chunk_type(const u16 type)
+{
+    static const u16 A[] = 
+    {
+	CHUNK_PREFIX_TYPE,
+	CHUNK_SCRIPT_CHUNK,
+	CHUNK_FRAME_TYPE,
+	CHUNK_SEGMENT_TABLE,
+	CHUNK_HUFFMAN_TABLE
+    };
+    
+    static const s32 S = 5;
+
+    for(s32 i = 0;i < S;i++)
+	if(type == A[i])
+	    return true;
+	    
+    return false;
+}
+
+bool fmt_codec::skip_flood(ifstreamK &s)
+{
+    u8 _f[4];
+    u16 b;
+    fstream::pos_type _pos;
+    
+//    prs32f("SKIP_FLOOD pos: %d\n", ftell(f));
+
+    if(!s.readK(_f, 4)) return false;
+
+    do
+    {
+	_pos = s.tellg();
+	if(!s.readK(&b, 2)) return false;
+//	prs32f("SKIP_FLOOD b: %X\n", b);
+	s.seekg(-1, ios::cur);
+    }while(!find_chunk_type(b));
+
+    _pos -= 4;
+
+    s.seekg(_pos);
+    
+    return true;
+
+//    prs32f("SKIP_FLOOD pos2: %d\n", ftell(f));
+}
+
+#include "fmt_codec_cd_func.h"
diff --git a/kernel/kls_fli/fmt_codec_fli_defs.h b/kernel/kls_fli/fmt_codec_fli_defs.h
new file mode 100644
index 0000000..dd08b94
--- /dev/null
+++ b/kernel/kls_fli/fmt_codec_fli_defs.h
@@ -0,0 +1,92 @@
+/*  This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
+
+    Copyright (c) 2005 Dmitry Baryshev <[email protected]>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation;
+    either version 2 of the License, or (at your option) any later
+    version.
+
+    This library 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
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    as32 with this library; see the file COPYING.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KSQUIRREL_READ_IMAGE_fli
+#define KSQUIRREL_READ_IMAGE_fli
+
+struct FLICHEADER
+{
+   u32	FileSize;       /* Total size of file */
+    u16	FileId;         /* File format indicator */
+    u16	NumberOfFrames; /* Total number of frames */
+    u16	Width;          /* Screen width in pixels */
+    u16	Height;         /* Screen height in pixels */
+    u16	PixelDepth;     /* Number of bits per pixel */
+    u16	Flags;          /* Set to 03h */
+   u32	FrameDelay;     /* Time delay between frames */
+    u16	Reserved1;      /* Not used (Set to 00h) */
+
+// The following fields are set to 00h in a .FLI file
+   u32	DateCreated;    /* Time/Date the file was created */
+   u32	CreatorSN;      /* Serial number of creator program */
+   u32	LastUpdated;    /* Time/Date the file last changed */
+   u32	UpdaterSN;      /* Serial number of updater program */
+    u16	XAspect;        /* X-axis of display aspect ratio */
+    u16	YAspect;        /* Y-axis of display aspect ratio */
+    u8	Reserved2[38];  /* Not used (Set to 00h) */
+   u32	Frame1Offset;   /* Offset of first frame */
+   u32	Frame2Offset;   /* Offset of second frame */
+    u8	Reserved3[40];  /* Not used (Set to 00h) */
+
+}PACKED;
+
+struct CHUNKHEADER
+{
+   u32	size;        /* Total size of chunk */
+    u16	type;        /* Chunk identifier */
+//    u16	subchunks;   /* Number of subchunks in this chunk */
+//    u8	res[8];      /* Not used (Set to 00h) */
+
+}PACKED;
+
+#define CHUNK_CEL_DATA	3
+#define CHUNK_COLOR_256	4
+#define CHUNK_DELTA_FLC	7
+#define CHUNK_COLOR_64	11
+#define CHUNK_DELTA_FLI	12
+#define CHUNK_BLACK	13
+#define CHUNK_RLE	15
+#define CHUNK_COPY	16
+#define CHUNK_PSTAMP	18
+#define CHUNK_DTA_BRUN	25
+#define CHUNK_DTA_COPY	26
+#define CHUNK_DTA_LC	27
+#define CHUNK_LABEL	31
+#define CHUNK_BMP_MASK	32
+#define CHUNK_MLEV_MASK	33
+#define CHUNK_SEGMENT	34
+#define CHUNK_KEY_IMAGE	35
+#define CHUNK_KEY_PAL	36
+#define CHUNK_REGION 	37
+#define CHUNK_WAVE	38
+#define CHUNK_USERSTR	39
+#define CHUNK_RGN_MASK	40
+#define CHUNK_LABELEX	41
+#define CHUNK_SHIFT	42
+#define CHUNK_PATHMAP	43
+
+#define CHUNK_PREFIX_TYPE	0xF100
+#define CHUNK_SCRIPT_CHUNK	0xF1E0
+#define CHUNK_FRAME_TYPE	0xF1FA
+#define CHUNK_SEGMENT_TABLE	0xF1FB
+#define CHUNK_HUFFMAN_TABLE	0xF1FC
+
+#endif