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authormickeyl <mickeyl>2003-04-06 14:38:18 (UTC)
committer mickeyl <mickeyl>2003-04-06 14:38:18 (UTC)
commit0b985ce87d6ce6d4110a50d5be48831d34794cd2 (patch) (side-by-side diff)
treeda19d8dc2cd2b37d15220783940652e8e91f3843
parent91d65a97c956963a24f418fadd7cd69f6a52f5d5 (diff)
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- add realtime preview widget with zoom control
The camera driver is damn slow. For a 240x160x16 image, it takes ~100ms. That gives approx. 10fps which is too slow for doing video. :(
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--noncore/multimedia/camera/.cvsignore4
-rw-r--r--noncore/multimedia/camera/camera.pro4
-rw-r--r--noncore/multimedia/camera/mainwindow.cpp40
-rw-r--r--noncore/multimedia/camera/mainwindow.h12
-rw-r--r--noncore/multimedia/camera/mainwindowbase.ui246
-rw-r--r--noncore/multimedia/camera/previewwidget.cpp45
-rw-r--r--noncore/multimedia/camera/previewwidget.h39
-rw-r--r--noncore/multimedia/camera/zcameraio.cpp58
8 files changed, 397 insertions, 51 deletions
diff --git a/noncore/multimedia/camera/.cvsignore b/noncore/multimedia/camera/.cvsignore
index 6d678c6..d89e3af 100644
--- a/noncore/multimedia/camera/.cvsignore
+++ b/noncore/multimedia/camera/.cvsignore
@@ -1 +1,5 @@
config.in
+mainwindowbase.h
+mainwindowbase.cpp
+Makefile
+
diff --git a/noncore/multimedia/camera/camera.pro b/noncore/multimedia/camera/camera.pro
index e937807..2d1faa3 100644
--- a/noncore/multimedia/camera/camera.pro
+++ b/noncore/multimedia/camera/camera.pro
@@ -2,20 +2,22 @@ MOC_DIR = ./moc
OBJECTS_DIR = ./obj
DESTDIR = $(OPIEDIR)/bin
TEMPLATE = app
CONFIG = qt warn_on debug
HEADERS = zcameraio.h \
+ previewwidget.h \
mainwindow.h
SOURCES = zcameraio.cpp \
+ previewwidget.cpp \
mainwindow.cpp \
main.cpp
INCLUDEPATH += $(OPIEDIR)/include
DEPENDPATH += $(OPIEDIR)/include
LIBS += -lqpe -lopiecore2
-INTERFACES =
+INTERFACES = mainwindowbase.ui
TARGET = opiecam
include ( $(OPIEDIR)/include.pro )
diff --git a/noncore/multimedia/camera/mainwindow.cpp b/noncore/multimedia/camera/mainwindow.cpp
index 4218232..8578bce 100644
--- a/noncore/multimedia/camera/mainwindow.cpp
+++ b/noncore/multimedia/camera/mainwindow.cpp
@@ -11,54 +11,50 @@
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
**********************************************************************/
#include "mainwindow.h"
+#include "mainwindowbase.h"
#include "zcameraio.h"
#include <qvbox.h>
+#include <qcombobox.h>
#include <qpushbutton.h>
#include <qlabel.h>
-
#include <qdirectpainter_qws.h>
-
#include <qpe/resource.h>
#include <opie/ofiledialog.h>
+#include <assert.h>
+
CameraMainWindow::CameraMainWindow( QWidget * parent, const char * name, WFlags f )
:QMainWindow( parent, name, f )
{
- QVBox* v = new QVBox( this );
- l = new QLabel( v );
- l->setFixedSize( QSize( 240, 160 ) );
- QPushButton* p = new QPushButton( "Snapshot", v );
- connect( p, SIGNAL( clicked() ), this, SLOT( clickedSnapShot() ) );
- v->show();
- l->show();
- p->show();
- setCentralWidget( v );
+ mw = new MainWindowBase( this, "main widget" );
+ ZCameraIO::instance()->setCaptureFrame( 240, 160, 256 );
+ setCentralWidget( mw );
+ mw->show();
+ connect( mw->zoom, SIGNAL( activated( int ) ), this, SLOT( changeZoom(int) ) );
};
CameraMainWindow::~CameraMainWindow()
{
}
-void CameraMainWindow::clickedSnapShot()
+void CameraMainWindow::changeZoom( int zoom )
{
- QDirectPainter fb( l );
- ZCameraIO::instance()->snapshot( fb.frameBuffer() );
-
- /*
- QImage i;
- QPixmap p;
- if ( ZCameraIO::instance()->snapshot( &i ) )
+ int z;
+ switch ( zoom )
{
- p.convertFromImage( i );
- l->setPixmap( p );
+ case 0: z = 128; break;
+ case 1: z = 256; break;
+ case 2: z = 512; break;
+ default: assert( 0 ); break;
}
- */
+
+ ZCameraIO::instance()->setCaptureFrame( 240, 160, z );
}
diff --git a/noncore/multimedia/camera/mainwindow.h b/noncore/multimedia/camera/mainwindow.h
index 521107b..7ccdcf8 100644
--- a/noncore/multimedia/camera/mainwindow.h
+++ b/noncore/multimedia/camera/mainwindow.h
@@ -14,29 +14,33 @@
**********************************************************************/
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <qmainwindow.h>
+#include <qdatetime.h>
+#include <qimage.h>
+#include <qpixmap.h>
class QIconSet;
class QToolButton;
class QLabel;
+class MainWindowBase;
class CameraMainWindow: public QMainWindow
{
Q_OBJECT
public:
CameraMainWindow( QWidget * parent = 0, const char * name = "mainwindow", WFlags f = 0 );
virtual ~CameraMainWindow();
- protected:
-
public slots:
- void clickedSnapShot();
+ void changeZoom( int );
+
+ protected:
private:
- QLabel* l;
+ MainWindowBase* mw;
};
#endif
diff --git a/noncore/multimedia/camera/mainwindowbase.ui b/noncore/multimedia/camera/mainwindowbase.ui
new file mode 100644
index 0000000..8da884a
--- a/dev/null
+++ b/noncore/multimedia/camera/mainwindowbase.ui
@@ -0,0 +1,246 @@
+<!DOCTYPE UI><UI>
+<class>MainWindowBase</class>
+<widget>
+ <class>QWidget</class>
+ <property stdset="1">
+ <name>name</name>
+ <cstring>MainWindowBase</cstring>
+ </property>
+ <property stdset="1">
+ <name>geometry</name>
+ <rect>
+ <x>0</x>
+ <y>0</y>
+ <width>242</width>
+ <height>329</height>
+ </rect>
+ </property>
+ <property stdset="1">
+ <name>caption</name>
+ <string>Form1</string>
+ </property>
+ <property>
+ <name>layoutMargin</name>
+ </property>
+ <property>
+ <name>layoutSpacing</name>
+ </property>
+ <grid>
+ <property stdset="1">
+ <name>margin</name>
+ <number>0</number>
+ </property>
+ <property stdset="1">
+ <name>spacing</name>
+ <number>2</number>
+ </property>
+ <widget row="1" column="0" >
+ <class>QLayoutWidget</class>
+ <property stdset="1">
+ <name>name</name>
+ <cstring>Layout1</cstring>
+ </property>
+ <hbox>
+ <property stdset="1">
+ <name>margin</name>
+ <number>0</number>
+ </property>
+ <property stdset="1">
+ <name>spacing</name>
+ <number>6</number>
+ </property>
+ <widget>
+ <class>QLabel</class>
+ <property stdset="1">
+ <name>name</name>
+ <cstring>TextLabel1</cstring>
+ </property>
+ <property stdset="1">
+ <name>text</name>
+ <string>Reso:</string>
+ </property>
+ </widget>
+ <widget>
+ <class>QComboBox</class>
+ <item>
+ <property>
+ <name>text</name>
+ <string>240x160</string>
+ </property>
+ </item>
+ <item>
+ <property>
+ <name>text</name>
+ <string>480x320</string>
+ </property>
+ </item>
+ <property stdset="1">
+ <name>name</name>
+ <cstring>resolution</cstring>
+ </property>
+ </widget>
+ <widget>
+ <class>QLabel</class>
+ <property stdset="1">
+ <name>name</name>
+ <cstring>TextLabel2</cstring>
+ </property>
+ <property stdset="1">
+ <name>text</name>
+ <string>Zoom:</string>
+ </property>
+ </widget>
+ <widget>
+ <class>QComboBox</class>
+ <item>
+ <property>
+ <name>text</name>
+ <string>Half</string>
+ </property>
+ </item>
+ <item>
+ <property>
+ <name>text</name>
+ <string>Full</string>
+ </property>
+ </item>
+ <item>
+ <property>
+ <name>text</name>
+ <string>Double</string>
+ </property>
+ </item>
+ <property stdset="1">
+ <name>name</name>
+ <cstring>zoom</cstring>
+ </property>
+ </widget>
+ </hbox>
+ </widget>
+ <widget row="2" column="0" >
+ <class>QLayoutWidget</class>
+ <property stdset="1">
+ <name>name</name>
+ <cstring>Layout2</cstring>
+ </property>
+ <hbox>
+ <property stdset="1">
+ <name>margin</name>
+ <number>0</number>
+ </property>
+ <property stdset="1">
+ <name>spacing</name>
+ <number>6</number>
+ </property>
+ <spacer>
+ <property>
+ <name>name</name>
+ <cstring>Spacer1</cstring>
+ </property>
+ <property stdset="1">
+ <name>orientation</name>
+ <enum>Horizontal</enum>
+ </property>
+ <property stdset="1">
+ <name>sizeType</name>
+ <enum>Expanding</enum>
+ </property>
+ <property>
+ <name>sizeHint</name>
+ <size>
+ <width>20</width>
+ <height>20</height>
+ </size>
+ </property>
+ </spacer>
+ <widget>
+ <class>QPushButton</class>
+ <property stdset="1">
+ <name>name</name>
+ <cstring>PushButton1</cstring>
+ </property>
+ <property stdset="1">
+ <name>text</name>
+ <string>Take Photo</string>
+ </property>
+ <property stdset="1">
+ <name>default</name>
+ <bool>true</bool>
+ </property>
+ </widget>
+ <spacer>
+ <property>
+ <name>name</name>
+ <cstring>Spacer2</cstring>
+ </property>
+ <property stdset="1">
+ <name>orientation</name>
+ <enum>Horizontal</enum>
+ </property>
+ <property stdset="1">
+ <name>sizeType</name>
+ <enum>Expanding</enum>
+ </property>
+ <property>
+ <name>sizeHint</name>
+ <size>
+ <width>20</width>
+ <height>20</height>
+ </size>
+ </property>
+ </spacer>
+ </hbox>
+ </widget>
+ <spacer row="3" column="0" >
+ <property>
+ <name>name</name>
+ <cstring>Spacer3</cstring>
+ </property>
+ <property stdset="1">
+ <name>orientation</name>
+ <enum>Vertical</enum>
+ </property>
+ <property stdset="1">
+ <name>sizeType</name>
+ <enum>Expanding</enum>
+ </property>
+ <property>
+ <name>sizeHint</name>
+ <size>
+ <width>20</width>
+ <height>20</height>
+ </size>
+ </property>
+ </spacer>
+ <widget row="0" column="0" >
+ <class>PreviewWidget</class>
+ <property stdset="1">
+ <name>name</name>
+ <cstring>preview</cstring>
+ </property>
+ </widget>
+ </grid>
+</widget>
+<customwidgets>
+ <customwidget>
+ <class>PreviewWidget</class>
+ <header location="local">previewwidget.h</header>
+ <sizehint>
+ <width>240</width>
+ <height>160</height>
+ </sizehint>
+ <container>0</container>
+ <sizepolicy>
+ <hordata>0</hordata>
+ <verdata>0</verdata>
+ </sizepolicy>
+ <pixmap>image0</pixmap>
+ </customwidget>
+</customwidgets>
+<images>
+ <image>
+ <name>image0</name>
+ <data format="XPM.GZ" length="646">789c6dd2c10ac2300c00d07bbf2234b7229d1ddec44f503c0ae2a154410f53d0ed20e2bf6bdb656dd6861dd23d9a66591b0587fd1654235ebded6f0edcd53e419d87ae7b1f4f9b8f906d0bfe012317426a70b07bdc2f3ec77f8ed6b89559061a0343d06a124cc105596482585094bc0ae599b04646c9018926491b2205e140c485cace25755c175d0a967b622ff900b8cc9c7d29af594ea722d589167f813aa852ba07d94b9dce296e883fe7bb163f23896753</data>
+ </image>
+</images>
+</UI>
diff --git a/noncore/multimedia/camera/previewwidget.cpp b/noncore/multimedia/camera/previewwidget.cpp
new file mode 100644
index 0000000..bb84c00
--- a/dev/null
+++ b/noncore/multimedia/camera/previewwidget.cpp
@@ -0,0 +1,45 @@
+/**********************************************************************
+** Copyright (C) 2002 Michael 'Mickey' Lauer. All rights reserved.
+**
+** This file is part of Opie Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+**********************************************************************/
+
+#include "previewwidget.h"
+#include "zcameraio.h"
+
+PreviewWidget::PreviewWidget( QWidget * parent, const char * name, WFlags f )
+ :QLabel( parent, name, f )
+{
+ setFixedSize( QSize( 240, 160 ) );
+ setBackgroundMode( NoBackground );
+
+ startTimer( 150 );
+};
+
+
+PreviewWidget::~PreviewWidget()
+{
+}
+
+
+void PreviewWidget::timerEvent( QTimerEvent* )
+{
+ //QDirectPainter fb( this );
+ //ZCameraIO::instance()->snapshot( fb.frameBuffer() );
+
+ if ( ZCameraIO::instance()->snapshot( &i ) )
+ {
+ p.convertFromImage( i );
+ setPixmap( p );
+ }
+}
+
diff --git a/noncore/multimedia/camera/previewwidget.h b/noncore/multimedia/camera/previewwidget.h
new file mode 100644
index 0000000..c031d95
--- a/dev/null
+++ b/noncore/multimedia/camera/previewwidget.h
@@ -0,0 +1,39 @@
+/**********************************************************************
+** Copyright (C) 2003 Michael 'Mickey' Lauer. All rights reserved.
+**
+** This file is part of Opie Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+**********************************************************************/
+
+#ifndef PREVIEWWIDGET_H
+#define PREVIEWWIDGET_H
+
+#include <qlabel.h>
+#include <qimage.h>
+#include <qpixmap.h>
+
+class PreviewWidget: public QLabel
+{
+ Q_OBJECT
+
+ public:
+ PreviewWidget( QWidget * parent = 0, const char * name = 0, WFlags f = 0 );
+ virtual ~PreviewWidget();
+
+ protected:
+ virtual void timerEvent( QTimerEvent* );
+
+ private:
+ QPixmap p;
+ QImage i;
+};
+
+#endif
diff --git a/noncore/multimedia/camera/zcameraio.cpp b/noncore/multimedia/camera/zcameraio.cpp
index 7343dca..56b2e13 100644
--- a/noncore/multimedia/camera/zcameraio.cpp
+++ b/noncore/multimedia/camera/zcameraio.cpp
@@ -21,15 +21,18 @@
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <qimage.h>
+#include <qdatetime.h>
#include <opie2/odebug.h>
+#define SHARPZDC "/dev/sharp_zdc"
+
ZCameraIO* ZCameraIO::_instance = 0;
ZCameraIO* ZCameraIO::instance()
{
if ( !ZCameraIO::_instance )
{
@@ -40,13 +43,13 @@ ZCameraIO* ZCameraIO::instance()
}
ZCameraIO::ZCameraIO()
:_height( 0 ), _width( 0 ), _zoom( 0 ), _rot( 0 ), _readlen( 0 )
{
- _driver = ::open( "/dev/sharp_zdc", O_RDWR );
+ _driver = ::open( SHARPZDC, O_RDWR );
if ( _driver == -1 )
oerr << "Can't open camera driver: " << strerror(errno) << oendl;
else
init();
}
@@ -62,14 +65,17 @@ void ZCameraIO::init()
}
ZCameraIO::~ZCameraIO()
{
if ( _driver != -1 )
+ {
+ setReadMode( 0 );
::close( _driver );
}
+}
inline bool ZCameraIO::isOpen() const
{
return _driver != -1;
}
@@ -104,25 +110,25 @@ bool ZCameraIO::setCaptureFrame( int width, int height, int zoom, bool rot )
{
char b[100];
sprintf( b, "%c=%d,%d,%d,%d", rot ? 'R':'S', width, height, zoom, width*2 );
if ( write( b ) )
{
_width = width;
- _height = _height;
+ _height = height;
_zoom = zoom;
_rot = rot;
_readlen = 2 * _width * _height; // camera is fixed @ 16 bits per pixel
return true;
}
return false;
}
void ZCameraIO::setReadMode( int mode )
{
- char b[4];
+ char b[10];
sprintf( b, "M=%d", mode );
write( b, mode <= 9 ? 3 : 4 );
if ( mode & 1 ) // STATUS bit is set
read( _status, 4 );
}
@@ -133,14 +139,26 @@ void ZCameraIO::clearShutterLatch()
write( &b, 1 );
}
bool ZCameraIO::read( char* b, int len )
{
+ #ifndef NO_TIMING
+ QTime t;
+ t.start();
+ #endif
int rlen = ::read( _driver, b, len );
- odebug << "read " << rlen << " from driver." << oendl;
+ #ifndef NO_TIMING
+ int time = t.elapsed();
+ #else
+ int time = -1;
+ #endif
+ if ( rlen )
+ odebug << "read " << rlen << " ('" << b[0] << b[1] << b[2] << b[3] << "') [" << time << " ms] from driver." << oendl;
+ else
+ odebug << "read nothing from driver." << oendl;
return rlen == len;
}
bool ZCameraIO::write( char* buf, int len )
{
@@ -152,33 +170,18 @@ bool ZCameraIO::write( char* buf, int len )
return ::write( _driver, buf, len ) == len;
}
bool ZCameraIO::snapshot( QImage* image )
{
- /*
-
+ setReadMode( IMAGE | XFLIP | YFLIP );
char buf[76800];
-
- write( _driver, "M=13", 4 );
- write( _driver, "R=240,160,256,480", 17 );
- write( _driver, "M=12", 4 );
-
- int result = read( _driver, &buf, sizeof buf );
-
- return result == sizeof buf;
-
- */
-
- unsigned char buf[76800];
- unsigned char* bp = buf;
+ char* bp = buf;
unsigned char* p;
- int fd = open( "/tmp/cam", O_RDONLY );
- if ( ::read( fd, buf, sizeof buf ) != sizeof buf )
- owarn << "Couldn't read image from /dev/sharp_zdc" << oendl;
+ read( bp, _readlen );
image->create( 240, 160, 16 );
for ( int i = 0; i < 160; ++i )
{
p = image->scanLine( i );
for ( int j = 0; j < 240; j++ )
@@ -192,15 +195,22 @@ bool ZCameraIO::snapshot( QImage* image )
}
}
return true;
}
-bool ZCameraIO::snapshot( uchar* buf )
+bool ZCameraIO::snapshot( unsigned char* buf )
{
+ setReadMode( IMAGE | XFLIP | YFLIP );
+
+ read( (char*) buf, _readlen );
+
+ /* //TESTCODE
int fd = open( "/tmp/cam", O_RDONLY );
- if ( ::read( fd, buf, 76800 ) != 76800 )
+ if ( ::read( fd, (char*) buf, 76800 ) != 76800 )
owarn << "Couldn't read image from /dev/sharp_zdc" << oendl;
+ // TESTCODE */
+
return true;
}