Move kimageformats code to the root directory.

src/imageformats/pic_rw.h

@@ -0,0 +1,110 @@
+/**
+ * PIC_RW - Qt PIC Support
+ * Copyright (C) 2007 Ruben Lopez <r.lopez@bren.es>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * ----------------------------------------------------------------------------
+ */
+
+/* This code is based on the GIMP-PIC plugin by Halfdan Ingvarsson,
+ * and relicensed from GPL to LGPL to accommodate the KDE licensing policy
+ * with his permission.
+ * These is the original copyright:
+ * Copyright (C) 1998 Halfdan Ingvarsson
+ */
+
+#ifndef __PIC_RW_H__
+#define __PIC_RW_H__
+
+#define PIC_MAGIC_NUMBER  0x5380f634
+
+#include <QtCore/QFile>
+#include <QImageIOPlugin>
+#include <QColor>
+
+/**
+ * How fields are distributed over the image
+ */
+typedef enum {
+    NONE = 0, /* No picture */
+    ODD = 1, /* Odd scanlines */
+    EVEN = 2, /* Even scanlines */
+    BOTH = 3 /* Every scanline */
+} PICFields;
+
+/**
+ * Type of a channel
+ */
+typedef enum {
+    UNCOMPRESSED = 0, /* Image is uncompressed */
+    RLE = 2 /* Run length compression */
+} PICChannelType;
+
+/**
+ * Channel codes
+ */
+typedef enum {
+    RED = 0x80, /* Red channel */
+    GREEN = 0x40, /* Green channel */
+    BLUE = 0x20, /* Blue channel */
+    ALPHA = 0x10 /* Alpha channel */
+} PICChannelCode;
+
+/**
+ * PIC format header
+ */
+typedef struct {
+    qint32 magic; /* PIC_MAGIC_NUMBER */
+    float version; /* Version of format */
+    char comment[80]; /* Prototype description */
+    char id[4]; /* "PICT" */
+    qint16 width; /* Image width, in pixels */
+    qint16 height; /* Image height, in pixels */
+    float ratio; /* Pixel aspect ratio */
+    qint16 fields; /* Picture field type */
+    qint16 pad; /* Unused */
+} PICHeader;
+
+/**
+ * PIC channel header
+ */
+typedef struct {
+    char chained; /* 1 if another packet follows, else 0 */
+    char size; /* Bits per pixel by channel */
+    char type; /* RLE or uncompressed */
+    char channel; /* Channel code (which planes are affected by this channel) */
+} PICChannel;
+
+#define HEADER_SIZE sizeof(PICHeader)
+#define CHANNEL_SIZE sizeof(PICChannel)
+
+
+/**
+ * Reads the PIC header and checks that it is OK
+ * @param dev The QT device to read from
+ * @param hdr A pointer to the PIC header
+ * @param peek Keep bytes in the device
+ * @return true on success
+ */
+bool picReadHeader(QIODevice *dev, PICHeader *hdr, bool peek = false);
+
+/// Pic read handler for Qt / KDE
+void pic_read(QIODevice *dev, QImage *img);
+
+/// Pic write handler for Qt / KDE
+void pic_write(QIODevice *dev, const QImage *img);
+
+
+#endif//__PIC_RW_H__