Added libksquirrel for KDE3

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

1 files changed, 207 insertions, 0 deletions

diff --git a/kernel/kls_koala/fmt_codec_koala.cpp b/kernel/kls_koala/fmt_codec_koala.cpp
new file mode 100644
index 0000000..2c91e48
--- /dev/null
+++ b/kernel/kls_koala/fmt_codec_koala.cpp
@@ -0,0 +1,207 @@
+/*  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
+    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 <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_koala_defs.h"
+#include "fmt_codec_koala.h"
+
+#include "ksquirrel-libs/error.h"
+
+#include "../xpm/codec_koala.xpm"
+
+// Code partially taken from FreeImage3
+
+/*
+ *
+ *  Commodore 64 Koala
+ *
+ */
+
+const RGB c64pal[16] =
+{
+        RGB(   0,   0,   0 ),      // Black
+        RGB( 255, 255, 255 ),      // White
+        RGB( 170,  17,  17 ),      // Red
+        RGB(  12, 204, 204 ),      // Cyan
+        RGB( 221,  51, 221 ),      // Purple
+        RGB(  0,  187,  0  ),      // Green
+        RGB(   0,   0, 204 ),      // Blue
+        RGB( 255, 255, 140 ),      // Yellow
+        RGB( 204, 119,  34 ),      // Orange
+        RGB( 136,  68,   0 ),      // Brown
+        RGB( 255, 153, 136 ),      // Light red
+        RGB(  92,  92,  92 ),      // Gray 1
+        RGB( 170, 170, 170 ),      // Gray 2
+        RGB( 140, 255, 178 ),      // Light green
+        RGB(  39, 148, 255 ),      // Light blue
+        RGB( 196, 196, 196 )       // Gray 3
+};
+
+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 = "Commodore 64 Koala";
+    o->filter = "*.koa *.kla ";
+    o->config = "";
+    o->mime = "\x0000\x0060";
+    o->mimetype = "image/x-koala";
+    o->pixmap = codec_koala;
+    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;
+    
+    pixel_mask[0] = 0xc0;
+    pixel_mask[1] = 0x30;
+    pixel_mask[2] = 0x0c;
+    pixel_mask[3] = 0x03;
+
+    pixel_displ[0] = 6;
+    pixel_displ[1] = 4;
+    pixel_displ[2] = 2;
+    pixel_displ[3] = 0;
+
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_next()
+{
+    currentImage++;
+
+    if(currentImage)
+        return SQE_NOTOK;
+
+    fmt_image image;
+
+    u8	load[2];
+    
+    if(!frs.readK(load, sizeof(load)))
+	return SQE_R_BADFILE;
+
+    if(load[0] != 0x00 || load[1] != 0x60)
+    {
+	((u8 *)&koala)[0] = load[0];
+	((u8 *)&koala)[1] = load[1];
+
+	if(!frs.readK((u8 *)&koala + 2, 10001 - 2))
+	    return SQE_R_BADFILE;
+    }
+    else
+    {
+	if(!frs.readK((u8 *)&koala, 10001))
+	    return SQE_R_BADFILE;
+    }
+
+    foundcolor = 0;
+
+    image.w = KOALA_WIDTH;
+    image.h = KOALA_HEIGHT;
+    image.bpp = 8;
+    image.compression = "-";
+    image.colorspace = fmt_utils::colorSpaceByBpp(8);
+
+    finfo.image.push_back(image);
+
+    line = -1;
+
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_next_pass()
+{
+    return SQE_OK;
+}
+
+s32 fmt_codec::read_scanline(RGBA *scan)
+{
+    line++;
+    fmt_image *im = image(currentImage);
+    fmt_utils::fillAlpha(scan, im->w);
+
+    for(s32 x = 0;x < KOALA_WIDTH / 2;x++)
+    {
+        index = (x / 4) * 8 + (line % 8) + (line / 8) * KOALA_WIDTH;
+        colorindex = (x / 4) + (line / 8) * 40;
+        pixel = (koala.image[index] & pixel_mask[x % 4]) >> pixel_displ[x % 4];
+
+        // Retrieve RGB values
+        switch(pixel)
+        {
+            case 0: // Background
+                foundcolor = koala.background;
+            break;
+
+            case 1: // Color 1
+                foundcolor = koala.color1[colorindex] >> 4;
+            break;
+
+            case 2: // Color 2
+                foundcolor = koala.color1[colorindex] & 0xf;
+            break;
+
+            case 3: // Color 3
+                foundcolor = koala.color2[colorindex] & 0xf;
+            break;
+        }
+
+	memcpy(scan+x*2, c64pal+foundcolor, sizeof(RGB));
+	memcpy(scan+x*2+1, c64pal+foundcolor, sizeof(RGB));
+    }
+
+    return SQE_OK;
+}
+
+void fmt_codec::read_close()
+{
+    frs.close();
+
+    finfo.meta.clear();
+    finfo.image.clear();
+}
+
+#include "fmt_codec_cd_func.h"