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path: root/noncore/graphics
authoralwin <alwin>2004-04-15 14:04:01 (UTC)
committer alwin <alwin>2004-04-15 14:04:01 (UTC)
commitb07457bba11c6bc13d35c31c15353350a16ad3a4 (patch) (side-by-side diff)
treec8d36a803eae123e75d45a904a5bfe5a93c8494b /noncore/graphics
parent41203805fb5e70df84cc2894dbd6e030c6355041 (diff)
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added bmp file support
Diffstat (limited to 'noncore/graphics') (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/graphics/opie-eye/slave/bmp_slave.cpp175
-rw-r--r--noncore/graphics/opie-eye/slave/bmp_slave.h22
-rw-r--r--noncore/graphics/opie-eye/slave/slave.pro6
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
@@ -5,10 +5,12 @@ 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