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, 313 insertions, 0 deletions

diff --git a/kernel/kls_pcx/Makefile.am b/kernel/kls_pcx/Makefile.am
new file mode 100644
index 0000000..5aaa5f3
--- /dev/null
+++ b/kernel/kls_pcx/Makefile.am
@@ -0,0 +1,9 @@
+INCLUDES = -I../include
+
+pkglib_LTLIBRARIES = libkls_pcx.la
+
+libkls_pcx_la_SOURCES = fmt_codec_pcx.cpp fmt_codec_pcx_defs.h
+
+libkls_pcx_la_LDFLAGS = ${SQ_RELEASE}
+
+libkls_pcx_la_LIBADD = ${SQ_LOCAL_RPATH}
diff --git a/kernel/kls_pcx/fmt_codec_pcx.cpp b/kernel/kls_pcx/fmt_codec_pcx.cpp
new file mode 100644
index 0000000..4a8710f
--- /dev/null
+++ b/kernel/kls_pcx/fmt_codec_pcx.cpp
@@ -0,0 +1,256 @@
+/*  This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
+
+    Copyright (c) 2004 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
+    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 "ksquirrel-libs/fmt_types.h"
+#include "ksquirrel-libs/fileio.h"
+#include "ksquirrel-libs/error.h"
+#include "ksquirrel-libs/fmt_utils.h"
+
+#include "fmt_codec_pcx_defs.h"
+#include "fmt_codec_pcx.h"
+
+#include "../xpm/codec_pcx.xpm"
+
+/*
+ *
+ * PCX is one of the most widely used storage
+ * formats. It originated with ZSoft's MS-DOS-based
+ * PC Paintbrush, and because of this,
+ * PCX is sometimes referred to as the
+ * PC Paintbrush format. ZSoft entered into an
+ * OEM arrangement with Microsoft, which allowed
+ * Microsoft to bundle PC Paintbrush with various
+ * products, including a version called Microsoft Paintbrush for Windows;
+ * this product was distributed with every copy of Microsoft Windows
+ * sold. This distribution established the importance of
+ * PCX, not only on Intel-based
+ * MS-DOS platforms, but industry-wide.
+ *
+ */
+
+bool getrow(ifstreamK &s, u8*, int);
+
+fmt_codec::fmt_codec() : fmt_codec_base()
+{}
+
+fmt_codec::~fmt_codec()
+{}
+
+void fmt_codec::options(codec_options *o)
+{
+    o->version = "0.8.1";
+    o->name = "ZSoft PCX";
+    o->filter = "*.pcx ";
+    o->config = "";
+    o->mime = "\x000A[\x0002\x0003\x0004\x0005]";
+    o->mimetype = "image/x-pcx";
+    o->pixmap = codec_pcx;
+    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;
+    pal_entr = 0;
+
+    finfo.animated = false;
+
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_next()
+{
+    currentImage++;
+
+    if(currentImage)
+	return SQE_NOTOK;
+	    
+    fmt_image image;
+
+    if(!frs.readK(&pfh, sizeof(PCX_HEADER))) return SQE_R_BADFILE;
+
+    if(pfh.ID != 10 || pfh.Encoding != 1)
+	return SQE_R_BADFILE;
+
+    image.w = pfh.Xmax - pfh.Xmin + 1;
+    image.h = pfh.Ymax - pfh.Ymin + 1;
+    image.bpp = pfh.bpp * pfh.NPlanes;
+    pal_entr = 0;
+
+    if(pfh.bpp == 1)
+    {
+	pal_entr = 2;
+
+	memset(pal, 0, sizeof(RGB));
+	memset(pal+1, 255, sizeof(RGB));
+
+    }
+    else if(pfh.bpp <= 4)
+    {
+	pal_entr = 16;
+
+	memcpy(pal, pfh.Palette, 48);
+    }
+    else if(pfh.bpp == 8 && pfh.NPlanes == 1)
+    {
+	pal_entr = 256;
+
+	frs.seekg(-769, ios::end);
+
+	s8 test;
+	if(!frs.readK(&test, 1)) return SQE_R_BADFILE;
+
+	if(test != PCX_COLORMAP_SIGNATURE && test != PCX_COLORMAP_SIGNATURE_NEW)
+	    return SQE_R_BADFILE;
+
+	if(!frs.readK(pal, 768)) return SQE_R_BADFILE;
+    }
+
+    frs.seekg(128, ios::beg);
+
+    TotalBytesLine = pfh.NPlanes * pfh.BytesPerLine;
+
+    image.compression = "-";
+    image.colorspace = ((pal_entr) ? "Color indexed":"RGB");
+
+    finfo.image.push_back(image);
+
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_scanline(RGBA *scan)
+{
+    u16  i, j;
+    u8 channel[4][finfo.image[currentImage].w];
+    u8 indexes[finfo.image[currentImage].w];
+    fmt_image *im = image(currentImage);
+    fmt_utils::fillAlpha(scan, im->w);
+
+    for(i = 0;i < 4;i++)
+	memset(channel[i], 255, im->w);
+
+    switch(im->bpp)
+    {
+    	case 1:
+	{
+	}
+	break;
+
+	case 4:
+	{
+	}
+	break;
+
+	case 8:
+	    if(!getrow(frs, indexes, pfh.BytesPerLine))
+		return SQE_R_BADFILE;
+
+	    for(i = 0;i < im->w;i++)
+		memcpy(scan+i, pal+indexes[i], sizeof(RGB));
+	break;
+
+	case 16:
+	{
+	}
+	break;
+
+	case 24:
+	{
+	    for(j = 0;j < pfh.NPlanes;j++)
+	    {
+		if(!getrow(frs, channel[j], pfh.BytesPerLine))
+		    return SQE_R_BADFILE;
+	    }
+
+	    for(i = 0;i < im->w;i++)
+	    {
+    		scan[i].r = channel[0][i];
+    		scan[i].g = channel[1][i];
+    		scan[i].b = channel[2][i];
+	    }
+	}
+	break;
+
+	default:;
+    }
+
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_next_pass()
+{
+    return SQE_OK;
+}
+
+void fmt_codec::read_close()
+{
+    frs.close();
+
+    finfo.meta.clear();
+    finfo.image.clear();
+}
+
+/* helper function */
+bool getrow(ifstreamK &f, u8 *pcxrow, s32 bytesperline)
+{
+    static s32 	repetitionsLeft = 0;
+    static u8	c;
+    s32 	bytesGenerated;
+
+    bytesGenerated = 0;
+    while(bytesGenerated < bytesperline)
+    {
+        if(repetitionsLeft > 0)
+	{
+            pcxrow[bytesGenerated++] = c;
+            --repetitionsLeft;
+        }
+	else
+	{
+	    if(!f.readK(&c, 1)) return false;
+
+	    if(c <= 192)
+                pcxrow[bytesGenerated++] = c;
+            else
+	    {
+                repetitionsLeft = c&63;
+		if(!f.readK(&c, 1)) return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+#include "fmt_codec_cd_func.h"
diff --git a/kernel/kls_pcx/fmt_codec_pcx_defs.h b/kernel/kls_pcx/fmt_codec_pcx_defs.h
new file mode 100644
index 0000000..ba45b21
--- /dev/null
+++ b/kernel/kls_pcx/fmt_codec_pcx_defs.h
@@ -0,0 +1,48 @@
+/*  This file is part of ksquirrel-libs (http://ksquirrel.sf.net)
+
+    Copyright (c) 2004 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
+    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_pcx
+#define KSQUIRREL_READ_IMAGE_pcx
+
+#define PCX_COLORMAP_SIGNATURE          (0x0c)
+#define PCX_COLORMAP_SIGNATURE_NEW      (0x0a)
+
+struct PCX_HEADER
+{
+	u8	ID;
+	u8	Version;
+	u8	Encoding;
+	u8	bpp;
+	u16	Xmin,Ymin,Xmax,Ymax;
+	u16	VDpi;
+	u16	HDpi;
+	u8	Palette[48];
+	u8	Reserved;
+	u8	NPlanes;
+	u16	BytesPerLine;
+	u16	PaletteInfo;
+	u16	HScreenSize;
+	u16	VScreenSize;
+	u8	Filler[54];       /*        Header should be 128 byte  length  */
+
+}PACKED;
+
+#endif