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, 292 insertions, 0 deletions

diff --git a/kernel/kls_sct/Makefile.am b/kernel/kls_sct/Makefile.am
new file mode 100644
index 0000000..826c167
--- /dev/null
+++ b/kernel/kls_sct/Makefile.am
@@ -0,0 +1,9 @@
+INCLUDES = -I../include
+
+pkglib_LTLIBRARIES = libkls_sct.la
+
+libkls_sct_la_SOURCES = fmt_codec_sct.cpp fmt_codec_sct_defs.h
+
+libkls_sct_la_LDFLAGS = ${SQ_RELEASE}
+
+libkls_sct_la_LIBADD = ${SQ_LOCAL_RPATH}
diff --git a/kernel/kls_sct/fmt_codec_sct.cpp b/kernel/kls_sct/fmt_codec_sct.cpp
new file mode 100644
index 0000000..90048e4
--- /dev/null
+++ b/kernel/kls_sct/fmt_codec_sct.cpp
@@ -0,0 +1,232 @@
+/*  This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
+
+    Copyright (c) 2005 Dmitry Baryshev <ksquirrel@tut.by>
+
+    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
+    along 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 <sstream>
+#include <stdio.h>
+#include <string.h>
+
+#include "ksquirrel-libs/fmt_types.h"
+#include "ksquirrel-libs/fileio.h"
+#include "ksquirrel-libs/fmt_utils.h"
+
+#include "fmt_codec_sct_defs.h"
+#include "fmt_codec_sct.h"
+
+#include "ksquirrel-libs/error.h"
+
+#include "../xpm/codec_sct.xpm"
+
+fmt_codec::fmt_codec() : fmt_codec_base()
+{}
+
+fmt_codec::~fmt_codec()
+{}
+
+void fmt_codec::options(codec_options *o)
+{
+    o->version = "0.2.2";
+    o->name = "Scitex CT";
+    o->filter = "*.sct *.ct ";
+    o->config = "";
+    o->mime = "";
+    o->mimetype = "image/x-sct";
+    o->pixmap = codec_sct;
+    o->readable = true;
+    o->canbemultiple = false;
+    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;
+
+    currentImage = -1;
+    read_error = false;
+
+    finfo.animated = false;
+
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_next()
+{
+    currentImage++;
+
+    if(currentImage)
+        return SQE_NOTOK;
+
+    fmt_image image;
+
+    s8	comment[0x50 + 1], sig[2];
+
+    if(!frs.readK(comment, sizeof(comment) - 1)) return SQE_R_BADFILE;
+    if(!frs.readK(sig, sizeof(sig))) return SQE_R_BADFILE;
+
+    comment[0x50] = '\0';
+
+    frs.seekg(0x400, ios::beg);
+
+    if(!frs.readK(&sct, sizeof(sct_header))) return SQE_R_BADFILE;
+
+    sct.format = fmt_utils::konvertWord(sct.format);
+
+    if(sct.format != SCT_FORMAT_RGB && sct.format != SCT_FORMAT_GRAY && sct.format != SCT_FORMAT_CMYK)
+	return SQE_R_BADFILE;
+
+    if(sct.format == SCT_FORMAT_RGB && sct.channels != 3)
+	return SQE_R_BADFILE;
+
+    if(sct.format == SCT_FORMAT_GRAY && sct.channels != 1)
+	return SQE_R_BADFILE;
+
+    if(sct.format == SCT_FORMAT_CMYK && sct.channels != 4)
+	return SQE_R_BADFILE;
+
+    if((sct.width[0] != '+' && sct.width[0] != '-') || (sct.height[0] != '+' && sct.height[0] != '-'))
+	return SQE_R_BADFILE;
+
+    std::string buf;
+    
+    buf.assign(sct.width, sizeof(sct.width));
+
+    std::stringstream ss(buf);
+
+    ss.setf(ios::hex);
+
+    ss >> image.h;
+
+    buf.assign(sct.height, sizeof(sct.height));
+
+    std::stringstream ss1(buf);
+
+    ss1.setf(ios::hex);
+
+    ss1 >> image.w;
+
+    image.compression = "-";
+
+    switch(sct.format)
+    {
+	case SCT_FORMAT_RGB:
+	    image.colorspace = "RGB";
+	    image.bpp = 24;
+	break;
+
+	case SCT_FORMAT_GRAY:
+	    image.colorspace = "Grayscale";
+	    image.bpp = 8;
+	break;
+
+	case SCT_FORMAT_CMYK:
+	    image.colorspace = "CMYK";
+	    image.bpp = 32;
+	break;
+    }
+
+	fmt_metaentry mt;
+
+    mt.group = "Comment";
+    mt.data = comment;
+
+    addmeta(mt);
+
+    finfo.image.push_back(image);
+
+    frs.seekg(0x800, ios::beg);
+
+    return (frs.good()) ? SQE_OK : SQE_R_BADFILE;
+}
+
+s32 fmt_codec::read_next_pass()
+{
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_scanline(RGBA *scan)
+{
+    RGB rgb;
+    RGBA rgba;
+    u8 c, *p;
+    fmt_image *im = image(currentImage);
+    fmt_utils::fillAlpha(scan, im->w);
+
+    switch(sct.format)
+    {
+	case SCT_FORMAT_RGB:
+	    for(s32 ch = 0;ch < 3;ch++)
+		for(s32 i = 0;i < im->w;i++)
+		{
+		    if(!frs.readK(&c, sizeof(u8))) return SQE_R_BADFILE;
+
+		    p = (u8 *)(scan + i);
+		    *(p + ch) = c;
+		}
+	break;
+
+	case SCT_FORMAT_GRAY:
+	    for(s32 i = 0;i < im->w;i++)
+	    {
+		if(!frs.readK(&c, sizeof(c))) return SQE_R_BADFILE;
+
+		(scan+i)->r = c;
+		(scan+i)->g = c;
+		(scan+i)->b = c;
+	    }
+	break;
+
+	case SCT_FORMAT_CMYK:
+	    for(s32 ch = 0;ch < 4;ch++)
+		for(s32 i = 0;i < im->w;i++)
+		{
+		    if(!frs.readK(&c, sizeof(u8))) return SQE_R_BADFILE;
+
+		    p = (u8 *)(scan + i);
+		    *(p + ch) = c;
+		}
+
+		for(s32 i = 0;i < im->w;i++)
+		{
+            	    scan[i].r = (scan[i].r * scan[i].a) >> 8;
+		    scan[i].g = (scan[i].g * scan[i].a) >> 8;
+		    scan[i].b = (scan[i].b * scan[i].a) >> 8;
+		    scan[i].a = 255;
+		}
+	break;
+    }
+
+    return SQE_OK;
+}
+
+void fmt_codec::read_close()
+{
+    frs.close();
+
+    finfo.meta.clear();
+    finfo.image.clear();
+}
+
+#include "fmt_codec_cd_func.h"
diff --git a/kernel/kls_sct/fmt_codec_sct_defs.h b/kernel/kls_sct/fmt_codec_sct_defs.h
new file mode 100644
index 0000000..bffa9f2
--- /dev/null
+++ b/kernel/kls_sct/fmt_codec_sct_defs.h
@@ -0,0 +1,51 @@
+/*  This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
+
+    Copyright (c) 2005 Dmitry Baryshev <ksquirrel@tut.by>
+
+    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
+    along 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_CODEC_DEFS_sct
+#define KSQUIRREL_CODEC_DEFS_sct
+
+#define SCT_UNITS_MM   0
+#define SCT_UNITS_INCH 1
+
+#define SCT_FORMAT_RGB 7
+#define SCT_FORMAT_GRAY 8
+#define SCT_FORMAT_CMYK 0xf
+
+//
+// SCT header starts from offset 0x400. Before it
+// comes comment string (50 symbols, offset 0x0)
+// and signature "CT" (offset 0x50).
+//
+// Image pixels are stored from file offset 0x800
+//
+
+struct sct_header
+{
+    u8	units;         // units (0=MM,1=INCH)
+    u8	channels;      // number of channels
+    u16	format;        // format (7=RGB, 8=GREYSCALE, 0xF=CMYK)
+    s8	wh_units[28];  // width and height in units stored as a Scitex FP (not used)
+    s8	width[12];     // width  in pixels stored as 12 digits of text including sign ("%+012d").
+    s8	height[12];    // height  in pixels stored as 12 digits of text including sign ("%+012d").
+
+}PACKED;
+
+#endif