added bmp file support

3 files changed, 201 insertions, 2 deletions

diff --git a/noncore/graphics/opie-eye/slave/bmp_slave.cpp b/noncore/graphics/opie-eye/slave/bmp_slave.cpp
new file mode 100644
index 0000000..2fa825f
--- a/dev/null
+++ b/noncore/graphics/opie-eye/slave/bmp_slave.cpp
@@ -0,0 +1,175 @@
+#include  "bmp_slave.h"
+
+#include "thumbnailtool.h"
+
+#include <qimage.h>
+#include <qobject.h>
+#include <qfile.h>
+#include <qpixmap.h>
+#include <qstring.h>
+
+PHUNK_VIEW_INTERFACE( "Bmp", BmpSlave );
+namespace {
+
+    struct pBmpHeader {
+        // file header of bmp
+        char type[2]; // must be "BM" otherwise it is no bmp
+        Q_INT32 hSize;
+        Q_INT32 reserved1,reserved2;
+
+        Q_INT16  Planes;
+        Q_INT16  BitCount;
+        Q_INT32  Size;
+        Q_INT32  Width;
+        Q_INT32  Height;
+        Q_INT32  Compression;
+        Q_INT32  SizeImage;
+        Q_INT32  XPerMeter;
+        Q_INT32  YPerMeter;
+        Q_INT32  ClrUsed;
+        Q_INT32  ClrImportant;
+    };
+
+    class BmpHeader {
+    protected:
+        void read_data();
+        QString _name;
+        QFile _inputfile;
+        pBmpHeader m_Header;
+
+        static const int OLD = 12;
+        static const int WIN = 40;
+        static const int OS2 = 64;
+        static const int RGB = 0;
+        static const int RLE8 = 1;
+        static const int RLE4 = 2;
+
+    public:
+        BmpHeader(const QString&fname);
+        virtual ~BmpHeader();
+        bool isBmp()const{return qstrncmp(m_Header.type,"BM",2)==0;}
+        bool isCompressed()const{return m_Header.Compression != 0;}
+        QSize imageSize(){return QSize(m_Header.Width,m_Header.Height);}
+        QString imageCompression()const;
+        int bitsPixel()const{return m_Header.BitCount;}
+        int Size()const{return m_Header.hSize;}
+        int compressedSize()const{return m_Header.SizeImage;}
+        int ColorsUsed()const{return m_Header.ClrUsed;}
+        int XPix()const{return m_Header.XPerMeter;}
+        int YPix()const{return m_Header.YPerMeter;}
+    };
+
+    QString BmpHeader::imageCompression()const
+    {
+        switch (m_Header.Compression) {
+            case RLE8:
+                return "8Bit RLE Encoding";
+                break;
+            case RLE4:
+                return "4Bit RLE Encoding";
+                break;
+            case RGB:
+            default:
+                return "No encoding";
+        }
+    }
+
+    BmpHeader::BmpHeader(const QString&fname)
+        : _name(fname),_inputfile(_name)
+    {
+        read_data();
+    }
+
+    void BmpHeader::read_data() {
+        memset(&m_Header,0,sizeof(pBmpHeader));
+        _inputfile.open(IO_Raw|IO_ReadOnly);
+        if (!_inputfile.isOpen()) {
+            return;
+        }
+        QDataStream s(&_inputfile);
+        s.setByteOrder( QDataStream::LittleEndian );
+        s.readRawBytes(m_Header.type,2);
+        if (!isBmp()) {
+            _inputfile.close();
+            return;
+        }
+        s >> m_Header.hSize;
+        s >> m_Header.reserved1 >> m_Header.reserved2;
+        s >> m_Header.Size;
+        if ( m_Header.Size == BmpHeader::WIN || m_Header.Size == BmpHeader::OS2 ) {
+            s >> m_Header.Width >> m_Header.Height >> m_Header.Planes >> m_Header.BitCount;
+            s >> m_Header.Compression >> m_Header.SizeImage;
+            s >> m_Header.XPerMeter >> m_Header.YPerMeter;
+            s >> m_Header.ClrUsed >> m_Header.ClrImportant;
+        } else {
+            Q_INT16 w, h;
+            s >> w >> h >> m_Header.Planes >> m_Header.BitCount;
+            m_Header.Width  = w;
+            m_Header.Height = h;
+            m_Header.Compression = BmpHeader::RGB;
+            m_Header.SizeImage = 0;
+            m_Header.XPerMeter = m_Header.YPerMeter = 0;
+            m_Header.ClrUsed = m_Header.ClrImportant = 0;
+        }
+        _inputfile.close();
+    }
+
+    BmpHeader::~BmpHeader() {
+    }
+}
+
+
+BmpSlave::BmpSlave()
+    : SlaveInterface(QStringList("bmp"))
+{}
+
+BmpSlave::~BmpSlave() {
+
+}
+
+QString BmpSlave::iconViewName(const QString& str) {
+    QString st;
+    BmpHeader bh(str);
+    if (!bh.isBmp()) {
+        st.append("No bmp file");
+        return st;
+    }
+    QSize isize = bh.imageSize();
+    st+=QObject::tr("Dimensions: %1 x %2\n").arg(isize.width()).arg(isize.height());
+    st+=QObject::tr("Size: %1\n").arg(bh.Size());
+    st+=QObject::tr("Depth: %1\n").arg(bh.bitsPixel());
+    return st;
+}
+
+QString BmpSlave::fullImageInfo( const QString& str) {
+    QString st = "<qt>";
+    BmpHeader bh(str);
+    if (!bh.isBmp()) {
+        st.append("No bmp file");
+        st.append(  "</qt>" );
+        return st;
+    }
+    QSize isize = bh.imageSize();
+    st+=QObject::tr("Dimensions: %1 x %2\n").arg(isize.width()).arg(isize.height());
+    st+=QObject::tr("Size: %1\n").arg(bh.Size());
+    st+=QObject::tr("Compression: %1\n").arg(bh.imageCompression());
+    if (bh.isCompressed()) {
+        st+=QObject::tr("Compressed size: %1").arg(bh.compressedSize());
+    }
+    st+=QObject::tr("Depth: %1\n").arg(bh.bitsPixel());
+    st+=QObject::tr("used colors: %1\n").arg(bh.ColorsUsed());
+    st+=QObject::tr("Resolution: %1 x %2\n").arg(bh.XPix()).arg(bh.YPix());
+    st.append(  "</qt>" );
+    return st;
+}
+
+QPixmap BmpSlave::pixmap(const QString& path, int width, int height ) {
+    static QImage img;
+    img.load( path );
+    if ( img.isNull() ) {
+        QPixmap pix;
+        return pix;
+    }
+
+    return ThumbNailTool::scaleImage( img, width,height );
+}
diff --git a/noncore/graphics/opie-eye/slave/bmp_slave.h b/noncore/graphics/opie-eye/slave/bmp_slave.h
new file mode 100644
index 0000000..174a61b
--- a/dev/null
+++ b/noncore/graphics/opie-eye/slave/bmp_slave.h
@@ -0,0 +1,22 @@
+/*
+ * GPLv2 zecke@handhelds.org
+ */
+
+
+#ifndef SLAVE_BMP_IMPL_H
+#define SLAVE_BMP_IMPL_H
+
+#include "slaveiface.h"
+
+class BmpSlave : public SlaveInterface {
+public:
+    BmpSlave();
+    ~BmpSlave();
+
+    QString iconViewName( const QString& );
+    QString fullImageInfo( const QString& );
+    QPixmap pixmap( const QString&, int width, int height );
+};
+
+
+#endif
diff --git a/noncore/graphics/opie-eye/slave/slave.pro b/noncore/graphics/opie-eye/slave/slave.pro
index 903d667..ab080ad 100644
--- a/noncore/graphics/opie-eye/slave/slave.pro
+++ b/noncore/graphics/opie-eye/slave/slave.pro
@@ -4,12 +4,14 @@ TARGET = opie-eye_slave
 DESTDIR = $(OPIEDIR)/bin
 
 HEADERS = gif_slave.h slaveiface.h slavereciever.h \
 	  thumbnailtool.h png_slave.h jpeg_slave.h \
-	  ../iface/slaveiface.h
+	  ../iface/slaveiface.h \
+      bmp_slave.h
 SOURCES = main.cpp gif_slave.cpp   slavereciever.cpp \
 	  slaveiface.cpp thumbnailtool.cpp png_slave.cpp \
-	  jpeg_slave.cpp
+	  jpeg_slave.cpp \
+      bmp_slave.cpp
 
 INCLUDEPATH += $(OPIEDIR)/include ../
 DEPENDSPATH += $(OPIEDIR)/include