コード例 #1
0
 def exportThumbnail(self, report_path, thumbpath, name, node, size=None):
     self.thumbnailer = Thumbnailer()
     if self.thumbnailer.isThumbnailable(node):
         pixmap = self.thumbnailer.generate(node,
                                            iconSize=256,
                                            frames=10,
                                            blocking=True)
         self.thumbnailer.unregister()
         if pixmap:
             try:
                 exportPath = os.path.join(report_path,
                                           os.path.join(thumbpath, name))
                 array = QByteArray()
                 qfile = QBuffer(array)
                 qfile.open(QIODevice.ReadWrite)
                 pixmap.save(qfile, 'JPG')
                 qfile.seek(0)
                 with open(exportPath, 'wb') as f:
                     f.write(qfile.read(qfile.size()))
                 qfile.close()
                 return True
             except Exception as e:
                 qfile.close()
                 return False
         else:
             return False
コード例 #2
0
    def xmlbuffer(self):
        queryimpl = QXmlQuery(QXmlQuery.XQuery10)
        #merge params from xquerynames and query path arguments
        params = copy.deepcopy(self.xquerynames)
        for name,value in self._queryparams.iteritems():
          params.append([name,value])
        #push values into external variable names in xquery
        for item in params:
            if len(item)==3 : # item has namespace
                (name,value,namespace) = item
                qname = QXmlName(queryimpl.namePool(), name, namespace)
            else:
                (name,value) = item
                qname = QXmlName(queryimpl.namePool(), name)
            qvalue = QXmlItem(value)
            queryimpl.bindVariable(qname,qvalue)
        #bind focus if available
        if(self.focuspath != None):
            queryimpl.setFocus(QUrl.fromLocalFile(self.focuspath))
        queryimpl.setQuery(self.querysource)

        buf = QBuffer()
        buf.open(QBuffer.ReadWrite)
        queryimpl.evaluateTo(buf)
        buf.close()
        data = buf.data()
        return data
コード例 #3
0
ファイル: gmailcheck.py プロジェクト: priestd09/gmailcheck
    def __init__(self):
        QWidget.__init__(self)
        self.tray = Tray(self)
        self.setMinimumSize(QSize(320, 200))
        self.setWindowFlags(Qt.Popup | Qt.FramelessWindowHint)
        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setMargin(1)

        self.text = QTextBrowser(self)
        self.text.setReadOnly(True)
        self.text.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.text.setOpenExternalLinks(True)
        self.verticalLayout.addWidget(self.text)
        self.text.textChanged.connect(self.on_text_changed)
        self.notify = Notify(self)

        self.movie = QMovie()
        dev = QBuffer()
        dev.setData(QByteArray.fromBase64(CHECK_IMAGE))
        dev.open(QBuffer.ReadOnly)
        dev.setParent(self.movie)
        self.movie.setDevice(dev)
        self.movie.frameChanged.connect(self.on_frame_changed)

        self.realized = False
        self.show()
コード例 #4
0
ファイル: screenshot.py プロジェクト: joelbeckham/ss
    def screenshot(self):
        logging.debug('screenshot() invoked')

        frame = self.page().mainFrame()
        size = frame.contentsSize()

        if (self.screenWidth):
           size.setWidth(self.screenWidth)

        if (self.screenHeight):
           size.setHeight(self.screenHeight)

        if (self.minWidth and self.minWidth > self.screenWidth):
           size.setWidth(self.minWidth)

        if (self.minHeight and self.minHeight > self.screenHeight):
           size.setHeight(self.minHeight)

        self.page().setViewportSize(size)
        image = QImage(self.page().viewportSize(), QImage.Format_ARGB32)
        painter = QPainter(image)
        frame.render(painter)
        painter.end()

        buffer = QBuffer()
        buffer.open(QIODevice.ReadWrite)
        image.save(buffer, self.format, self.quality)

        logging.debug('screenshot() returned image of type ' + self.content_type + ' of length ' + str(buffer.data().length()))
        
        return { 'content': buffer.data(), 'content_type': self.content_type }
コード例 #5
0
ファイル: gmailcheck.py プロジェクト: gen2brain/gmailcheck
    def __init__(self):
        QWidget.__init__(self)
        self.tray = Tray(self)
        self.setMinimumSize(QSize(320, 200))
        self.setWindowFlags(Qt.Popup|Qt.FramelessWindowHint)
        self.verticalLayout = QVBoxLayout(self)
        self.verticalLayout.setMargin(1)

        self.text = QTextBrowser(self)
        self.text.setReadOnly(True)
        self.text.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.text.setOpenExternalLinks(True)
        self.verticalLayout.addWidget(self.text)
        self.text.textChanged.connect(self.on_text_changed)
        self.notify = Notify(self)

        self.movie = QMovie()
        dev = QBuffer()
        dev.setData(QByteArray.fromBase64(CHECK_IMAGE))
        dev.open(QBuffer.ReadOnly)
        dev.setParent(self.movie)
        self.movie.setDevice(dev)
        self.movie.frameChanged.connect(self.on_frame_changed)

        self.realized = False
        self.show()
コード例 #6
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 def newfunc():
     ba = QByteArray(data)  # keep reference to avoid GC
     f = QBuffer(ba)
     f.open(mode)
     try:
         func(f)
     finally:
         f.close()
コード例 #7
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 def newfunc():
     ba = QByteArray(data)  # keep reference to avoid GC
     f = QBuffer(ba)
     f.open(mode)
     try:
         func(f)
     finally:
         f.close()
コード例 #8
0
ファイル: printhooks.py プロジェクト: jonathanverner/qidle
 def from_QImage(self, img):
     buf = QByteArray()
     bf = QBuffer(buf)
     bf.open(QIODevice.WriteOnly)
     img.save(bf, format='PNG')
     self.buf = buf.data()
     self.format = PackedQImage.FORMAT_PNG
     self._encode()
コード例 #9
0
ファイル: report.py プロジェクト: JingqinGao/orange3
def get_html_img(scene):
    """
    Create HTML img element with base64-encoded image from the scene
    """
    byte_array = QByteArray()
    filename = QBuffer(byte_array)
    filename.open(QIODevice.WriteOnly)
    PngFormat.write(filename, scene)
    img_encoded = byte_array.toBase64().data().decode("utf-8")
    return "<img src='data:image/png;base64,%s'/>" % img_encoded
コード例 #10
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ファイル: report.py プロジェクト: tojojames/orange3
def get_html_img(scene):
    """
    Create HTML img element with base64-encoded image from the scene
    """
    byte_array = QByteArray()
    filename = QBuffer(byte_array)
    filename.open(QIODevice.WriteOnly)
    PngFormat.write(filename, scene)
    img_encoded = byte_array.toBase64().data().decode("utf-8")
    return "<img src='data:image/png;base64,%s'/>" % img_encoded
コード例 #11
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ファイル: main.py プロジェクト: derlucas/4.48_psychosis
 def render_image(self):
     public_rect = self.live_text_rect()
     #global_rect = QtCore.QRect(self.mapToGlobal(public_rect.topLeft()), self.mapToGlobal(public_rect.bottomRight()))
     pixmap = QPixmap.grabWindow(self.win_id,
                                 public_rect.x() + 1,
                                 public_rect.y() + 1, 768, 576)
     buf = QBuffer()
     buf.open(QIODevice.WriteOnly)
     pixmap.save(buf, "JPG", 75)
     return buf.data()
コード例 #12
0
ファイル: util.py プロジェクト: ov1d1u/cyuf
def pixmap_to_imgformat(pixmap, format):
    import io
    from PyQt4.QtCore import QBuffer, QByteArray, QIODevice

    byte_array = QByteArray()
    buffer = QBuffer(byte_array)
    buffer.open(QIODevice.WriteOnly)
    pixmap.save(buffer, format)
    string_io = io.BytesIO(byte_array)
    string_io.seek(0)
    return string_io.read()
コード例 #13
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ファイル: imagewidget.py プロジェクト: nsashi/Roam
    def getImage(self):
        """ Return the loaded image """
        if self.isDefault:
            return None

        pix = self.orignalimage
        by = QByteArray()
        buf = QBuffer(by)
        buf.open(QIODevice.WriteOnly)
        pix.save(buf, "JPG")
        return by
コード例 #14
0
ファイル: imagewidget.py プロジェクト: tudorbarascu/Roam
    def getImage(self):
        """ Return the loaded image """
        if self.isDefault:
            return None

        pix = self.orignalimage
        by = QByteArray()
        buf = QBuffer(by)
        buf.open(QIODevice.WriteOnly)
        pix.save(buf, "JPG")
        return by
コード例 #15
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def pixmap_to_imgformat(pixmap, format):
    import io
    from PyQt4.QtCore import QBuffer, QByteArray, QIODevice

    byte_array = QByteArray()
    buffer = QBuffer(byte_array)
    buffer.open(QIODevice.WriteOnly)
    pixmap.save(buffer, format)
    string_io = io.BytesIO(byte_array)
    string_io.seek(0)
    return string_io.read()
コード例 #16
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def QIm2PIL(qimg):
    buff = QBuffer()
    buff.open(QIODevice.WriteOnly)
    qimg.save(buff, 'BMP')
    fp = StringIO()
    fp.write(buff.data())
    buff.close()
    fp.seek(0)
    pilimg = Image.open(fp)
    if pilimg.mode == 'P':
        return pilimg.convert('L')
    return pilimg
コード例 #17
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ファイル: views.py プロジェクト: timlinux/webandgis
def render_layers(layer_paths):
    """

    :param layer_paths: A list of layer paths.
    :return: Buffer containing output. Note caller is responsible for closing
        the buffer with buffer.close()
    :rtype: QBuffer
    """
    layers = []
    extent = None


    crs = QgsCoordinateReferenceSystem()
    crs.createFromSrid(3857)

    for layer_path in layer_paths:
        map_layer = QgsVectorLayer(layer_path, None, 'ogr')
        QgsMapLayerRegistry.instance().addMapLayer(map_layer)
        transform = QgsCoordinateTransform(map_layer.crs(), crs)
        print map_layer.extent().toString()
        layer_extent = transform.transform(map_layer.extent())
        if extent is None:
            extent = layer_extent
        else:
            extent.combineExtentWith(layer_extent)
        print extent.toString()
        # set layer set
        layers.append(map_layer.id())  # add ID of every layer

    map_settings = QgsMapSettings()

    map_settings.setDestinationCrs(crs)
    map_settings.setCrsTransformEnabled(True)
    map_settings.setExtent(extent)
    map_settings.setOutputSize(QSize(1000, 1000))

    map_settings.setLayers(layers)

    # job = QgsMapRendererParallelJob(settings)
    job = QgsMapRendererSequentialJob(map_settings)
    job.start()
    job.waitForFinished()
    image = job.renderedImage()
    # Save teh image to a buffer
    map_buffer = QBuffer()
    map_buffer.open(QIODevice.ReadWrite)
    image.save(map_buffer, "PNG")
    image.save('/tmp/test.png', 'png')

    # clean up
    QgsMapLayerRegistry.instance().removeAllMapLayers()

    return map_buffer
コード例 #18
0
ファイル: tilelayer.py プロジェクト: minorua/TileLayerPlugin
  def saveTiles(self):
    if self.tiles is None:
      QMessageBox.warning(None, self.plugin.pluginName, self.tr("No tiles have been downloaded."))
      return

    # Let the user choose the directory to save to
    directory = QFileDialog.getExistingDirectory(caption=self.tr("{}: Choose directory").format(self.layerDef.title))
    if not directory:
      # User cancelled the directory selection
      return

    # Build the content of the .aux.xml file containing the projection info
    projection_string = (self.crs().toWkt())
    pam_string = '<PAMDataset>\n' + \
                 '<SRS>{}</SRS>\n'.format(projection_string) + \
                 '</PAMDataset>'

    for tile in self.tiles.tiles.values():
      # Figure out the file format extension
      reader = QImageReader()
      buffer = QBuffer()
      buffer.setData(tile.data)
      buffer.open(QIODevice.ReadOnly)
      extension = str(reader.imageFormat(buffer))

      # Build the file name of the image file
      image_file_name = "{}-{}-{}.{}".format(tile.x, tile.y, tile.zoom, extension)
      image_file_path = join(directory, image_file_name)

      # Save the image file
      with open(image_file_path, 'wb') as image_file:
        image_file.write(tile.data)

      # Save the .aux.xml
      with open(image_file_path + '.aux.xml', 'w') as aux_file:
        aux_file.write(pam_string)

      # Save the world file containing the georeferencing information
      tile_rect = self.tiles.serviceInfo.getTileRect(tile.zoom, tile.x, tile.y)
      tile_size = self.tiles.TILE_SIZE
      with open(image_file_path + 'w', 'w') as world_file:
        world_file.writelines([
          str(tile_rect.width() / tile_size) + '\n',
          '0\n',
          '0\n',
          str(-tile_rect.height() / tile_size) + '\n',
          str(tile_rect.xMinimum()) + '\n',
          str(tile_rect.yMaximum()) + '\n'
        ])

    # Done
    msg = self.tr("Tiles have been saved.")
    self.showMessageBar(msg, QgsMessageBar.INFO, 2)
コード例 #19
0
ファイル: transformer.py プロジェクト: polzuka/inspirado
def QIm2PIL(qimg):
    buff = QBuffer()
    buff.open(QIODevice.WriteOnly)
    qimg.save(buff, 'BMP')
    fp = StringIO()
    fp.write(buff.data())
    buff.close()
    fp.seek(0)
    pilimg = Image.open(fp)
    if pilimg.mode == 'P':
        return pilimg.convert('L')
    return pilimg
コード例 #20
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    def _qimage_to_pil(self, qimage):
        """ Convert QImage to PIL Image """

        ba = QByteArray()
        bf = QBuffer(ba)
        bf.open(QIODevice.WriteOnly)
        qimage.save(bf, 'TIFF', quality=100)
        bf.close()

        buf = StringIO()
        buf.write(bf.data())
        buf.seek(0)

        return PIL.Image.open(buf)
コード例 #21
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ファイル: rasterize.py プロジェクト: siebert/calibre
    def rasterize_svg(self, elem, width=0, height=0, format='PNG'):
        view_box = elem.get('viewBox', elem.get('viewbox', None))
        sizes = None
        logger = self.oeb.logger

        if view_box is not None:
            try:
                box = [
                    float(x) for x in filter(None, re.split('[, ]', view_box))
                ]
                sizes = [box[2] - box[0], box[3] - box[1]]
            except (TypeError, ValueError, IndexError):
                logger.warn(
                    'SVG image has invalid viewBox="%s", ignoring the viewBox'
                    % view_box)
            else:
                for image in elem.xpath(
                        'descendant::*[local-name()="image" and '
                        '@height and contains(@height, "%")]'):
                    logger.info(
                        'Found SVG image height in %, trying to convert...')
                    try:
                        h = float(image.get('height').replace('%', '')) / 100.
                        image.set('height', str(h * sizes[1]))
                    except:
                        logger.exception(
                            'Failed to convert percentage height:',
                            image.get('height'))

        data = QByteArray(xml2str(elem, with_tail=False))
        svg = QSvgRenderer(data)
        size = svg.defaultSize()
        if size.width() == 100 and size.height() == 100 and sizes:
            size.setWidth(sizes[0])
            size.setHeight(sizes[1])
        if width or height:
            size.scale(width, height, Qt.KeepAspectRatio)
        logger.info('Rasterizing %r to %dx%d' %
                    (elem, size.width(), size.height()))
        image = QImage(size, QImage.Format_ARGB32_Premultiplied)
        image.fill(QColor("white").rgb())
        painter = QPainter(image)
        svg.render(painter)
        painter.end()
        array = QByteArray()
        buffer = QBuffer(array)
        buffer.open(QIODevice.WriteOnly)
        image.save(buffer, format)
        return str(array)
コード例 #22
0
def OCRperformOCRName(position,x,y,w,h,digits = False):
	img = QPixmap.grabWindow(QApplication.desktop().winId(),x,y,w,h)
	#img.save('a.png', 'png')
	buffer = QBuffer()
	buffer.open(QIODevice.ReadWrite)
	img.save(buffer, "PNG")
	
	strio = cStringIO.StringIO()
	strio.write(buffer.data())
	buffer.close()
	strio.seek(0)
	im = Image.open(strio)
	pixdata = im.load();
	
	for y in xrange(im.size[1]):
		for x in xrange(im.size[0]):
			total = pixdata[x, y][0] + pixdata[x, y][1] + pixdata[x, y][2]
			if total < 500:
				pixdata[x, y] = (255, 255, 255)
			else:
				pixdata[x, y] = (0, 0, 0)
				
	#Add extra space on each side
	for y in xrange(im.size[1]):
		pixdata[0,y] = (255, 255, 255)
		pixdata[1,y] = (255, 255, 255)
		pixdata[im.size[0]-1,y] = (255, 255, 255)
		pixdata[im.size[0]-2,y] = (255, 255, 255)
	for x in xrange(im.size[0]):
		pixdata[x,0] = (255, 255, 255)
		pixdata[x,1] = (255, 255, 255)
		pixdata[x,im.size[1]-1] = (255, 255, 255)
		pixdata[x,im.size[1]-2] = (255, 255, 255)
		
	nx, ny = im.size
	im = im.resize((nx*5, ny*5), Image.ANTIALIAS)
	enh = ImageEnhance.Contrast(im)
	pixdata = im.load()
	for y in xrange(im.size[1]):
		for x in xrange(im.size[0]):
			total = pixdata[x, y][0] + pixdata[x, y][1] + pixdata[x, y][2]
			if total < 500:
				pixdata[x, y] = (0, 0, 0)
			else:
				pixdata[x, y] = (255, 255, 255)	
	im = im.resize((int(nx*5), int(ny*5)), Image.BILINEAR)
	rvalue = OCR_to_string(im,digits)
	#im.save("training"+str(position)+""+str(int(random.random()*10000)) +".png","PNG")
	return rvalue 
コード例 #23
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def capture_image(session, selector=None, outformat="jpg"):
    """ capture page as image """

    # do capture now
    cap = None
    if selector is not None:
        cap = session.capture(selector=selector)
    else:
        cap = session.capture()

    # create a buffered image
    buffer = QBuffer()
    buffer.open(QIODevice.ReadWrite)
    cap.save(buffer, 'JPG' if outformat.upper() in ('JPG', 'JPEG') else 'PNG')
    buffer.close()
    return buffer, 'image/' + 'jpeg' if outformat.upper() in ('JPG','JPEG') else 'png'
コード例 #24
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    def capture_to_buf(self, selector=None):
        """capture the images of selector to StringIO

        @param selector: Css selector.
        @return: The StringIO list.
        """

        images = self.capture(selector)
        result = []

        for image in images:
            ba = QByteArray()
            buf = QBuffer(ba)
            buf.open(QIODevice.ReadWrite)
            image.save(buf, 'jpg')
            stream = StringIO(str(buf.buffer()))
            result.append(stream)

        return result
コード例 #25
0
ファイル: rasterize.py プロジェクト: Hainish/calibre
    def rasterize_svg(self, elem, width=0, height=0, format='PNG'):
        view_box = elem.get('viewBox', elem.get('viewbox', None))
        sizes = None
        logger = self.oeb.logger

        if view_box is not None:
            try:
                box = [float(x) for x in filter(None, re.split('[, ]', view_box))]
                sizes = [box[2]-box[0], box[3] - box[1]]
            except (TypeError, ValueError, IndexError):
                logger.warn('SVG image has invalid viewBox="%s", ignoring the viewBox' % view_box)
            else:
                for image in elem.xpath('descendant::*[local-name()="image" and '
                        '@height and contains(@height, "%")]'):
                    logger.info('Found SVG image height in %, trying to convert...')
                    try:
                        h = float(image.get('height').replace('%', ''))/100.
                        image.set('height', str(h*sizes[1]))
                    except:
                        logger.exception('Failed to convert percentage height:',
                                image.get('height'))

        data = QByteArray(xml2str(elem, with_tail=False))
        svg = QSvgRenderer(data)
        size = svg.defaultSize()
        if size.width() == 100 and size.height() == 100 and sizes:
            size.setWidth(sizes[0])
            size.setHeight(sizes[1])
        if width or height:
            size.scale(width, height, Qt.KeepAspectRatio)
        logger.info('Rasterizing %r to %dx%d'
                    % (elem, size.width(), size.height()))
        image = QImage(size, QImage.Format_ARGB32_Premultiplied)
        image.fill(QColor("white").rgb())
        painter = QPainter(image)
        svg.render(painter)
        painter.end()
        array = QByteArray()
        buffer = QBuffer(array)
        buffer.open(QIODevice.WriteOnly)
        image.save(buffer, format)
        return str(array)
コード例 #26
0
ファイル: rasterize.py プロジェクト: 089git/calibre
 def rasterize_external(self, elem, style, item, svgitem):
     width = style['width']
     height = style['height']
     width = (width / 72) * self.profile.dpi
     height = (height / 72) * self.profile.dpi
     data = QByteArray(str(svgitem))
     svg = QSvgRenderer(data)
     size = svg.defaultSize()
     size.scale(width, height, Qt.KeepAspectRatio)
     key = (svgitem.href, size.width(), size.height())
     if key in self.images:
         href = self.images[key]
     else:
         logger = self.oeb.logger
         logger.info('Rasterizing %r to %dx%d'
                     % (svgitem.href, size.width(), size.height()))
         image = QImage(size, QImage.Format_ARGB32_Premultiplied)
         image.fill(QColor("white").rgb())
         painter = QPainter(image)
         svg.render(painter)
         painter.end()
         array = QByteArray()
         buffer = QBuffer(array)
         buffer.open(QIODevice.WriteOnly)
         image.save(buffer, 'PNG')
         data = str(array)
         manifest = self.oeb.manifest
         href = os.path.splitext(svgitem.href)[0] + '.png'
         id, href = manifest.generate(svgitem.id, href)
         manifest.add(id, href, PNG_MIME, data=data)
         self.images[key] = href
     elem.tag = XHTML('img')
     for attr in elem.attrib:
         if attr not in KEEP_ATTRS:
             del elem.attrib[attr]
     elem.attrib['src'] = item.relhref(href)
     if elem.text:
         elem.attrib['alt'] = elem.text
         elem.text = None
     for child in elem:
         elem.remove(child)
コード例 #27
0
ファイル: rasterize.py プロジェクト: sss/calibre
 def rasterize_external(self, elem, style, item, svgitem):
     width = style['width']
     height = style['height']
     width = (width / 72) * self.profile.dpi
     height = (height / 72) * self.profile.dpi
     data = QByteArray(str(svgitem))
     svg = QSvgRenderer(data)
     size = svg.defaultSize()
     size.scale(width, height, Qt.KeepAspectRatio)
     key = (svgitem.href, size.width(), size.height())
     if key in self.images:
         href = self.images[key]
     else:
         logger = self.oeb.logger
         logger.info('Rasterizing %r to %dx%d' %
                     (svgitem.href, size.width(), size.height()))
         image = QImage(size, QImage.Format_ARGB32_Premultiplied)
         image.fill(QColor("white").rgb())
         painter = QPainter(image)
         svg.render(painter)
         painter.end()
         array = QByteArray()
         buffer = QBuffer(array)
         buffer.open(QIODevice.WriteOnly)
         image.save(buffer, 'PNG')
         data = str(array)
         manifest = self.oeb.manifest
         href = os.path.splitext(svgitem.href)[0] + '.png'
         id, href = manifest.generate(svgitem.id, href)
         manifest.add(id, href, PNG_MIME, data=data)
         self.images[key] = href
     elem.tag = XHTML('img')
     for attr in elem.attrib:
         if attr not in KEEP_ATTRS:
             del elem.attrib[attr]
     elem.attrib['src'] = item.relhref(href)
     if elem.text:
         elem.attrib['alt'] = elem.text
         elem.text = None
     for child in elem:
         elem.remove(child)
コード例 #28
0
 def createRequest(self, op, request, outgoingData = None):
     """
     Protected method to create a request.
     
     @param op the operation to be performed (QNetworkAccessManager.Operation)
     @param request reference to the request object (QNetworkRequest)
     @param outgoingData reference to an IODevice containing data to be sent
         (QIODevice)
     @return reference to the created reply object (QNetworkReply)
     """
     if request.url().toString() == "pyrc:home":
         html = startPage_html
         pixmap = UI.PixmapCache.getPixmap("ericWeb32.png")
         imageBuffer = QBuffer()
         imageBuffer.open(QIODevice.ReadWrite)
         if pixmap.save(imageBuffer, "PNG"):
             html.replace("IMAGE_BINARY_DATA_HERE", 
                          QString(imageBuffer.buffer().toBase64()))
         return NetworkReply(request, html.toUtf8(), "text/html", self.parent())
     
     return NetworkProtocolUnknownErrorReply("pyrc", self.parent())
コード例 #29
0
def embed(im):

    """Converts a QImage or QPicture object into an ipython Image object for
    embedding into an ipython notebook.
    """

    if isinstance(im, QPicture):
        pic = im
        im = QImage(im.width(), im.height(), QImage.Format_ARGB32_Premultiplied)
        p = QPainter()
        p.begin(im)
        p.drawPicture(0, 0, pic)
        p.end()

    w = QImageWriter()
    buf = QBuffer()
    buf.open(buf.WriteOnly)
    w.setFormat("png")
    w.setDevice(buf)
    w.write(im)
    return Image(data=str(buf.buffer()), format="png", embed=True)
コード例 #30
0
    def prepare(self):
        """
        """
        Logger.instance().debug("preparing plugin")

        # convert qicon to base64
        pixmapIcon = self.pluginIcon.pixmap(64,
                                            64,
                                            mode=QIcon.Normal,
                                            state=QIcon.Off)

        byteArray = QByteArray()
        buffer = QBuffer(byteArray)
        buffer.open(QIODevice.WriteOnly)
        pixmapIcon.save(buffer, "png", quality=100)

        iconBase64 = byteArray.toBase64().data()

        Logger.instance().debug("icon converted to base64")

        self.sendMessage(cmd='configure',
                         data=str(iconBase64, 'utf8'),
                         more={"description": self.pluginDescription})
コード例 #31
0
class NodeThumbnailRenderReply(QNetworkReply):
    def __init__(self, parent, request):
        QNetworkReply.__init__(self, parent)
        self.qbuffer = None
        self.connect(self, SIGNAL('abouteToClose()'), self.__close)
        self.byteArray = QByteArray()
        self.qbuffer = QBuffer(self.byteArray)
        self.node = vfs().getnode(str(request.url().path().toUtf8()))
        self.thumbnailer = Thumbnailer()
        self.connect(self.thumbnailer, SIGNAL("ThumbnailUpdate"),
                     self.updateThumbnail)
        self.setRequest(request)
        self.setOperation(QNetworkAccessManager.GetOperation)
        mime = "image/jpg"
        self.setHeader(QNetworkRequest.ContentTypeHeader, QVariant(mime))
        self.open()
        self.setUrl(request.url())
        self.connect(parent, SIGNAL("ready"), self.ready)
        self.ready()

    def ready(self):
        if self.node.dataType().find('video') != -1:
            pixmap = self.thumbnailer.generate(self.node,
                                               iconSize=128,
                                               frames=10)
        else:
            pixmap = self.thumbnailer.generate(self.node,
                                               iconSize=256,
                                               frames=10)
        if pixmap:
            self.updateThumbnail(self.node, pixmap)

    def updateThumbnail(self, node, pixmap):
        if pixmap == None:
            pixmap = QPixmap(":file_broken.png")
        pixmap.save(self.qbuffer, 'JPG')
        self.qbuffer.seek(0)
        QTimer.singleShot(0, self, SIGNAL("readyRead()"))
        QTimer.singleShot(0, self, SIGNAL("finished()"))

    def abort(self):
        self.close()

    def __del__(self):
        self.thumbnailer.unregister()

    def open(self, mode=None):
        try:
            self.qbuffer.open(QIODevice.ReadWrite | QIODevice.Unbuffered)
            self.setOpenMode(QIODevice.ReadWrite | QIODevice.Unbuffered)
            return True
        except (AttributeError, IOError):
            return False

    def seek(self, pos):
        if self.qbuffer:
            return self.qbuffer.seek(pos)
        return False

    def __close(self):
        if self.qbuffer:
            self.qbuffer.close()
            self.qbuffer = None
        return True

    def readData(self, size):
        if self.qbuffer:
            return self.qbuffer.read(size)
        return ""

    def pos(self):
        if self.qbuffer:
            return self.qbuffer.pos()
        return 0

    def isSequential(self):
        if self.qbuffer:
            return self.qbuffer.isSequential()
        return False

    def size(self):
        return self.qbuffer.size()

    def reset(self):
        if self.qbuffer:
            self.qbuffer.seek(0)
            return True
        return False

    def atEnd(self):
        if self.qbuffer:
            return self.qbuffer.atEnd()
        return False
コード例 #32
0
ファイル: NetworkRequester.py プロジェクト: Averroes/raft
    def send(self, method, url, headers, body, context = None):
        qurl = QUrl.fromEncoded(url)
        request = QNetworkRequest()
        request.setUrl(qurl)
        method = self.translate_method(method, request)

        host, useragent, content_type = None, None, None
        for name, value in headers.items():
            lname = name.lower()
            if 'user-agent' == lname:
                useragent = value
            elif 'host' == lname:
                host = value
            elif 'content-type' == lname:
                content_type = value
            elif 'content-length' == lname: 
                continue
            request.setRawHeader(name, value)

        if not host:
            request.setRawHeader('Host', str(qurl.host()))
        if not useragent:
            request.setRawHeader('User-Agent', self.framework.useragent())
        if 'POST' == method and not content_type:
            request.setRawHeader('Content-Type', 'application/x-www-form-urlencoded')

        if not body:
            if method in ('POST', 'PUT', 'CUSTOM'): # TODO: determine specific methods that expect content?
                body = ''
            else:
                device = None

        if method in ('GET', 'HEAD', 'DELETE'):
            # can't have body, because not supported by Qt network logic
            body = None
            device = None

        if body is not None:
            request.setRawHeader('Content-Length', str(len(body)))
            data = QByteArray(body)
            device = QBuffer(self)
            device.setData(data)
            device.open(QIODevice.ReadOnly)

        request.setAttribute(request.CacheLoadControlAttribute, request.AlwaysNetwork)

        if 'GET' == method:
            reply = self.networkAccessManager.get(request)
        elif 'HEAD' == method:
            reply = self.networkAccessManager.head(request)
        elif 'DELETE' == method:
            reply = self.networkAccessManager.head(request)
        elif 'POST' == method:
            reply = self.networkAccessManager.post(request, device)
        elif 'PUT' == method:
            reply = self.networkAccessManager.put(request, device)
        else:
            reply = self.networkAccessManager.sendCustomRequest(request, method, device)

        response = NetworkResponse(self.framework, self.callback, reply, context, self)
        return NetworkRequest(request, reply, response, context, self)
コード例 #33
0
ファイル: maprenderer.py プロジェクト: yellow-sky/pyqgist
img = QImage(iwidth, iheight, QImage.Format_RGB32)
img.setDotsPerMeterX(dpi / 25.4 * 1000)
img.setDotsPerMeterY(dpi / 25.4 * 1000)
img.fill(qRgb(255, 255, 255))

dpi = img.logicalDpiX()
print("Image DPI: %d" % dpi)

render.setOutputSize(QSize(img.width(), img.height()), dpi)

render.setDestinationCrs(crs)
render.setProjectionsEnabled(True)
render.setMapUnits(crs.mapUnits())

render.setExtent(extent)
print("Scale: %f" % render.scale())

painter = QPainter(img)
painter.setRenderHint(QPainter.Antialiasing)
render.render(painter)
painter.end()

ba = QByteArray()
bf = QBuffer(ba)
bf.open(QIODevice.WriteOnly)
img.save(bf, 'PNG')
bf.close()

with open(args.output, 'wb') as fd:
    fd.write(ba)
コード例 #34
0
ファイル: main.py プロジェクト: derlucas/4.48_psychosis
    def do_GET(self):

        try:
            self.path = re.sub('[^.a-zA-Z0-9]', "", str(self.path))
            if self.path == "" or self.path == None or self.path[:1] == ".":
                self.send_error(403, 'Forbidden')

            if self.path.endswith(".html"):
                directory = os.path.dirname(os.path.abspath(__file__))
                data = open(os.path.join(directory, self.path), "rb").read()
                self.send_response(200)
                self.send_header('Content-type', 'text/html')
                self.end_headers()
                self.wfile.write(data)
            elif self.path.endswith(".mjpeg"):
                self.thread = thread = OSCThread(self.server.args)
                thread.daemon = True
                thread.start()
                actor_names = ["merle", "uwe", "bjoern"]
                num_data = 100
                colors = ["r", "g", "b"]
                qtapp = QtGui.QApplication([])
                plotter = EkgPlot(actor_names, num_data, colors)

                self.send_response(200)
                self.send_header("Content-Type",
                                 "multipart/x-mixed-replace; boundary=--2342")
                self.end_headers()
                event_loop = QtCore.QEventLoop()
                last_frame = time.time() - 1.0
                frame_rate = 13.0
                frame_length = 1. / frame_rate
                plotter.new_round()
                while 1:
                    event_loop.processEvents()
                    qtapp.sendPostedEvents(None, 0)
                    while 1:
                        try:
                            osc_address, args = queue.get_nowait()
                            plotter.update(osc_address, args[0])
                        except Queue.Empty:
                            break

                    now = time.time()
                    delta = now - last_frame
                    if delta > frame_length:
                        plotter.update_missing_actors()
                        plotter.render()
                        exporter = pg.exporters.ImageExporter.ImageExporter(
                            plotter.plot.plotItem)
                        exporter.parameters()['width'] = 768
                        img = exporter.export(toBytes=True)
                        buffer = QBuffer()
                        buffer.open(QIODevice.WriteOnly)
                        img.save(buffer, "JPG")
                        JpegData = buffer.data()
                        self.wfile.write(
                            "--2342\r\nContent-Type: image/jpeg\r\nContent-length: %d\r\n\r\n%s\r\n\r\n\r\n"
                            % (len(JpegData), JpegData))
                        last_frame = now
                        plotter.new_round()
                        #JpegData = None
                        #buffer = None
                        #img = None
                        #exporter = None
                    time.sleep(0.01)

        except (KeyboardInterrupt, SystemError), e:
            raise e
コード例 #35
0
    def renderer(self):
        if 'QGIS_AUTH_DB_DIR_PATH' not in os.environ:
            os.environ['QGIS_AUTH_DB_DIR_PATH'] = '/tmp'

        qgis = None
        while True:
            options, result = self.queue.get()

            # Don't start QGIS until first request
            if qgis is None:
                qgis = QgsApplication([], False)
                qgis.setPrefixPath(self.settings.get('path'), True)
                qgis.setDefaultSvgPaths(qgis.svgPaths() +
                                        self.settings.get('svgpaths'))
                qgis.setMaxThreads(1)
                qgis.initQgis()

            try:
                if isinstance(options, LegendOptions):
                    style, = options

                    layer = self._qgs_memory_layer(style)
                    layer.setName(style.parent.display_name)

                    QgsMapLayerRegistry.instance().addMapLayer(layer)

                    root = QgsLayerTreeGroup()
                    root.addLayer(layer)

                    # 'Cannot create a QPixmap when no GUI is being used'
                    #  warning occurs here
                    model = QgsLayerTreeModel(root)

                    settings = QgsLegendSettings()
                    settings.setTitle('')
                    settings.setBoxSpace(1)
                    settings.setSymbolSize(QSizeF(5, 3))
                    settings.setDpi(96)

                    renderer = QgsLegendRenderer(model, settings)

                    # Dots per mm
                    dpmm = settings.dpi() / 25.4

                    min_size = renderer.minimumSize()
                    size = QSize(dpmm * min_size.width(),
                                 dpmm * min_size.height())
                    img = QImage(size, QImage.Format_ARGB32)
                    img.fill(QColor(0, 0, 0, 0))

                    painter = QPainter()
                    painter.begin(img)
                    painter.scale(dpmm, dpmm)
                    renderer.drawLegend(painter)
                    painter.end()

                    QgsMapLayerRegistry.instance().removeAllMapLayers()

                    ba = QByteArray()
                    bf = QBuffer(ba)
                    bf.open(QIODevice.WriteOnly)
                    img.save(bf, 'PNG')
                    bf.close()

                    buf = StringIO()
                    buf.write(bf.data())
                    buf.seek(0)
                    result.put(buf)

                else:
                    path = features = None
                    if isinstance(options, VectorRenderOptions):
                        style, features, render_size, \
                            extended, target_box = options
                        layer = self._qgs_memory_layer(style,
                                                       features=features)
                    elif isinstance(options, RasterRenderOptions):
                        style, path, render_size, \
                            extended, target_box = options
                        layer = QgsRasterLayer(path)
                        layer.loadNamedStyle(
                            self.env.file_storage.filename(style.qml_fileobj))

                    settings = QgsMapSettings()
                    settings.setLayers([layer.id()])
                    settings.setFlag(QgsMapSettings.DrawLabeling)
                    settings.setFlag(QgsMapSettings.Antialiasing)

                    settings.setCrsTransformEnabled(True)
                    settings.setDestinationCrs(layer.crs())
                    settings.setMapUnits(layer.crs().mapUnits())
                    settings.setOutputSize(QSize(*render_size))
                    settings.setExtent(QgsRectangle(*extended))

                    settings.setOutputImageFormat(QImage.Format_ARGB32)
                    bgcolor = QColor.fromRgba(qRgba(255, 255, 255, 0))
                    settings.setBackgroundColor(bgcolor)
                    settings.setOutputDpi(96)

                    QgsMapLayerRegistry.instance().addMapLayer(layer)
                    settings.setLayers([layer.id()])

                    # Create QImage by hand to be able to use
                    # QgsMapRendererCustomPainterJob. Others will not
                    # allow to workaround a bug with overlay rendering.
                    img = QImage(settings.outputSize(), QImage.Format_ARGB32)

                    # These cludges are needed for rendering
                    # on transparent background, otherwise it's a mess.
                    img.fill(QColor.fromRgba(qRgba(255, 255, 255, 255)))
                    img.fill(QColor.fromRgba(qRgba(255, 255, 255, 0)))

                    # DPI should be equal to settings, otherwise an error.
                    # In QImage the resolution is set in dots per meter
                    # for each axis.
                    dpm = settings.outputDpi() / 25.4 * 1000
                    img.setDotsPerMeterX(dpm)
                    img.setDotsPerMeterY(dpm)

                    painter = QPainter(img)
                    job = QgsMapRendererCustomPainterJob(settings, painter)
                    job.renderSynchronously()
                    painter.end()

                    QgsMapLayerRegistry.instance().removeAllMapLayers()

                    img = self._qimage_to_pil(img)

                    # Clip needed part
                    result.put(img.crop(target_box))

                    # Cleanup
                    if path is not None:
                        gdal.Unlink(path)

            except Exception as exc:
                self.logger.error(exc.message)
                result.put(exc)

        qgis.exitQgis()
コード例 #36
0
ファイル: renderer.py プロジェクト: candela-it/sunlumo
    def render(self, params):
        self.check_required_params(params)

        with change_directory(self.project_root):

            crs = QgsCoordinateReferenceSystem()
            crs.createFromSrid(params.get('srs'))

            img = QImage(
                QSize(*params.get('image_size')),
                QImage.Format_ARGB32_Premultiplied
            )
            dpm = 1 / 0.00028
            img.setDotsPerMeterX(dpm)
            img.setDotsPerMeterY(dpm)

            # set background color
            bgcolor = params.get('bgcolor')
            if params.get('transparent'):
                # fully transparent
                bgcolor.append(0)
            else:
                # fully opaque
                bgcolor.append(255)

            color = QColor(*bgcolor)
            img.fill(color)

            map_settings = QgsMapSettings()
            map_settings.setBackgroundColor(color)
            map_settings.setDestinationCrs(crs)
            map_settings.setCrsTransformEnabled(True)
            map_settings.setExtent(QgsRectangle(*params.get('bbox')))
            map_settings.setOutputDpi(img.logicalDpiX())
            map_settings.setOutputSize(img.size())
            map_settings.setMapUnits(crs.mapUnits())

            layers = params.get('layers')
            self.setTransparencies(layers, params.get('transparencies'))

            map_settings.setLayers(layers)

            p = QPainter()
            p.begin(img)

            job = QgsMapRendererCustomPainterJob(map_settings, p)
            job.start()
            job.waitForFinished()

            map_buffer = QBuffer()
            map_buffer.open(QIODevice.ReadWrite)

            if params.get('image_format') == 'jpeg':
                img.save(map_buffer, 'JPEG')
            elif params.get('image_format') == 'png8':
                png8 = img.convertToFormat(QImage.Format_Indexed8)
                png8.save(map_buffer, "PNG")
            else:
                img.save(map_buffer, 'PNG')

            # clean up
            p.end()
            map_buffer.close()
            return map_buffer.data()
コード例 #37
0
def base64image(image):
    ba = QByteArray()
    buffer = QBuffer(ba)
    buffer.open(QIODevice.WriteOnly)
    image.save(buffer, "PNG")
    return "data:image/png;base64," + ba.toBase64().data()
コード例 #38
0
    def renderer(self):
        qgis = QgsApplication([], False)
        qgis.setPrefixPath(self.settings.get('path'), True)
        qgis.setMaxThreads(1)
        qgis.initQgis()

        while True:
            try:
                fndata, srs, render_size, extended, \
                    target_box, result = self.queue.get()

                layer = QgsVectorLayer(fndata, 'layer', 'ogr')

                crs = QgsCoordinateReferenceSystem(srs.id)
                layer.setCrs(crs)

                settings = QgsMapSettings()
                settings.setLayers([layer.id()])
                settings.setFlag(QgsMapSettings.DrawLabeling)
                settings.setFlag(QgsMapSettings.Antialiasing)

                settings.setCrsTransformEnabled(True)
                settings.setDestinationCrs(crs)
                settings.setMapUnits(crs.mapUnits())
                settings.setOutputSize(QSize(*render_size))
                settings.setExtent(QgsRectangle(*extended))

                settings.setOutputImageFormat(QImage.Format_ARGB32)
                bgcolor = QColor.fromRgba(qRgba(255, 255, 255, 0))
                settings.setBackgroundColor(bgcolor)
                settings.setOutputDpi(96)

                QgsMapLayerRegistry.instance().addMapLayer(layer)
                settings.setLayers([layer.id()])

                # Создаем QImage руками чтобы можно было использовать
                # QgsMapRendererCustomPainterJob. Остальные не позволяют
                # обойти баг с рисованием поверх старого.
                img = QImage(settings.outputSize(), QImage.Format_ARGB32)

                # Эти костыли нужны для того, чтобы корректно рисовались
                # слои на прозрачном фоне, без этого получается каша.
                img.fill(QColor.fromRgba(qRgba(255, 255, 255, 255)))
                img.fill(QColor.fromRgba(qRgba(255, 255, 255, 0)))

                # DPI должно быть таким же как в settings, иначе ошибка. В QImage
                # разрешение указывается в точках на метр по каждой оси.
                dpm = settings.outputDpi() / 25.4 * 1000
                img.setDotsPerMeterX(dpm)
                img.setDotsPerMeterY(dpm)

                painter = QPainter(img)
                job = QgsMapRendererCustomPainterJob(settings, painter)
                job.renderSynchronously()
                painter.end()

                QgsMapLayerRegistry.instance().removeAllMapLayers()

                # Преобразование QImage в PIL
                ba = QByteArray()
                bf = QBuffer(ba)
                bf.open(QIODevice.WriteOnly)
                img.save(bf, 'PNG')
                bf.close()

                buf = StringIO()
                buf.write(bf.data())
                buf.seek(0)

                img = PIL.Image.open(buf)

                # Вырезаем нужный нам кусок изображения
                result.put(img.crop(target_box))

            except Exception as e:
                self.logger.error(e.message)

        qgis.exitQgis()
コード例 #39
0
ファイル: renderer.py プロジェクト: candela-it/sunlumo
    def getLegendGraphic(self, params):
        qgsLayer = self.layerRegistry.mapLayer(params.get('layer'))

        boxSpace = 1
        layerSpace = 2
        # layerTitleSpace = 3
        symbolSpace = 2
        iconLabelSpace = 2
        symbolWidth = 5
        symbolHeight = 3

        drawLegendLabel = True

        rootGroup = QgsLayerTreeGroup()
        rootGroup.addLayer(qgsLayer)
        # layer = QgsLayerTreeLayer(qgsLayer)

        # if qgsLayer.title():
        #     layer.setLayerName(qgsLayer.title())

        legendModel = QgsLayerTreeModel(rootGroup)

        rootChildren = rootGroup.children()

        img_tmp = QImage(QSize(1, 1), QImage.Format_ARGB32_Premultiplied)
        dpm = 1 / 0.00028
        img_tmp.setDotsPerMeterX(dpm)
        img_tmp.setDotsPerMeterY(dpm)

        dpmm = img_tmp.dotsPerMeterX() / 1000.0

        del img_tmp

        legendSettings = QgsLegendSettings()
        legendSettings.setTitle('')
        legendSettings.setBoxSpace(boxSpace)
        legendSettings.rstyle(QgsComposerLegendStyle.Subgroup).setMargin(QgsComposerLegendStyle.Top, layerSpace)

        legendSettings.rstyle(QgsComposerLegendStyle.Symbol).setMargin(QgsComposerLegendStyle.Top, symbolSpace)
        legendSettings.rstyle(QgsComposerLegendStyle.SymbolLabel).setMargin(QgsComposerLegendStyle.Left, iconLabelSpace)
        legendSettings.setSymbolSize(QSizeF(symbolWidth, symbolHeight))
        # legendSettings.rstyle(QgsComposerLegendStyle.Subgroup).setFont(layerFont)
        # legendSettings.rstyle(QgsComposerLegendStyle.SymbolLabel).setFont(itemFont)
        # // TODO: not available: layer font color
        # legendSettings.setFontColor( itemFontColor );

        # for node in rootChildren:
        #     if (QgsLayerTree.isLayer(node)):
        #         QgsLegendRenderer.setNodeLegendStyle(node, QgsComposerLegendStyle.Subgroup)
        #     # rule item titles
        #     # if ( !mDrawLegendItemLabel )
        #     #     for legendNode in legendModel.layerLegendNodes(nodeLayer):
        #     #         legendNode.setUserLabel(' ')
        #     # }

        legendRenderer = QgsLegendRenderer(legendModel, legendSettings)
        minSize = legendRenderer.minimumSize()
        s = QSize(minSize.width() * dpmm, minSize.height() * dpmm)

        img = QImage(s, QImage.Format_ARGB32_Premultiplied)
        # fill in the background
        color = QColor(0, 0, 0, 0)
        img.fill(color)

        p = QPainter()
        p.begin(img)

        p.setRenderHint(QPainter.Antialiasing, True)
        p.scale(dpmm, dpmm)
        legendRenderer.drawLegend(p)

        map_buffer = QBuffer()
        map_buffer.open(QIODevice.ReadWrite)

        img.save(map_buffer, 'PNG')
        # clean up

        map_buffer.close()
        p.end()

        # self.layerRegistry.removeAllMapLayers()
        return map_buffer.data()
コード例 #40
0
class ReportJSRenderReply(QNetworkReply):
    def __init__(self, parent, request):
        QNetworkReply.__init__(self, parent)
        self.__parent = parent
        self.qbuffer = None
        self.connect(self, SIGNAL('abouteToClose()'), self.__close)
        self.byteArray = QByteArray()
        self.qbuffer = QBuffer(self.byteArray)
        self.setRequest(request)
        self.setOperation(QNetworkAccessManager.GetOperation)
        self.setHeader(
            QNetworkRequest.ContentTypeHeader,
            QVariant(
                '"text/javascript" charset="utf-8" language="javascript"'))
        self.setAttribute(QNetworkRequest.CacheLoadControlAttribute,
                          QVariant(QNetworkRequest.AlwaysNetwork))
        self.open()
        self.setUrl(request.url())
        self.writeJS()

        QTimer.singleShot(0, self, SIGNAL("readyRead()"))
        QTimer.singleShot(0, self, SIGNAL("finished()"))

    def writeJS(self):
        pageName = self.url().path()
        pageName = unicode(pageName).encode('UTF-8', 'replace')
        buff = ""
        try:
            buff = self.__parent.pages[pageName]
        except KeyError:
            print "can't get page " + pageName
        self.qbuffer.write(buff)
        self.qbuffer.seek(0)

    def abort(self):
        self.close()

    def __del__(self):
        pass

    def open(self, mode=None):
        try:
            self.qbuffer.open(QIODevice.ReadWrite | QIODevice.Unbuffered)
            self.setOpenMode(QIODevice.ReadWrite | QIODevice.Unbuffered)
            return True
        except (AttributeError, IOError):
            return False

    def seek(self, pos):
        if self.qbuffer:
            return self.qbuffer.seek(pos)
        return False

    def __close(self):
        if self.qbuffer:
            self.qbuffer.close()
            self.qbuffer = None
        return True

    def readData(self, size):
        if self.qbuffer:
            return self.qbuffer.read(size)
        return ""

    def pos(self):
        if self.qbuffer:
            return self.qbuffer.pos()
        return 0

    def isSequential(self):
        if self.qbuffer:
            return self.qbuffer.isSequential()
        return False

    def size(self):
        return self.qbuffer.size()

    def reset(self):
        if self.qbuffer:
            self.qbuffer.seek(0)
            return True
        return False

    def atEnd(self):
        if self.qbuffer:
            return self.qbuffer.atEnd()
        return False
コード例 #41
0
    def do_GET(self):

        self.thread = thread = OSCThread()
        thread.daemon = True
        thread.start()

        actors = list()
        is_item1 = True
        is_item2 = True
        is_item3 = True

        def setPositions():
            for ix, item in enumerate(actors):
                item.setPos(0, ix * 6)

        def scale_data(data, ix, max_items):
            scale = 254 / max_items * ix
            return [value / max_items + scale for value in data]

        try:

            self.path = re.sub('[^.a-zA-Z0-9]', "", str(self.path))
            if self.path == "" or self.path == None or self.path[:1] == ".":
                return

            if self.path.endswith(".html"):
                f = open(curdir + sep + self.path)
                self.send_response(200)
                self.send_header('Content-type', 'text/html')
                self.end_headers()
                self.wfile.write(f.read())
                f.close()
            elif self.path.endswith(".mjpeg"):
                data_points = 1000

                self.send_response(200)
                plot_data1 = data = deque([0] * data_points)
                plot_data2 = data = deque([0] * data_points)
                plot_data3 = data = deque([0] * data_points)
                plt = PlotWidget(title="<h1>EKG</h1>", name="Merle")
                plt.hide()
                plotItem1 = pg.PlotCurveItem(pen=pg.mkPen('r', width=2),
                                             name="bjoern")
                plotItem2 = pg.PlotCurveItem(pen=pg.mkPen('g', width=2),
                                             name="merle")
                plotItem3 = pg.PlotCurveItem(pen=pg.mkPen('b', width=2),
                                             name="uwe")
                print type(plotItem1)
                pen = pg.mkPen(254, 254, 254)
                plotItem1.setShadowPen(pen=pen, width=6, cosmetic=True)
                plotItem2.setShadowPen(pen=pen, width=6, cosmetic=True)
                plotItem3.setShadowPen(pen=pen, width=6, cosmetic=True)
                actors.append(plotItem1)
                actors.append(plotItem2)
                actors.append(plotItem3)
                plotItem1.setPos(0, 0 * 6)
                plotItem2.setPos(0, 1 * 6)
                plotItem3.setPos(0, 2 * 6)
                plt.addItem(plotItem1)
                plt.addItem(plotItem2)
                plt.addItem(plotItem3)

                plt.setLabel('left', "<h2>Amplitude</h2>")
                plt.setLabel('bottom', "<h2>Time</h2>")
                plt.showGrid(True, True)
                ba = plt.getAxis("bottom")
                bl = plt.getAxis("left")
                ba.setTicks([])
                bl.setTicks([])
                plt.setYRange(0, 254)

                self.wfile.write(
                    "Content-Type: multipart/x-mixed-replace; boundary=--aaboundary"
                )
                self.wfile.write("\r\n\r\n")

                plt.resize(1280, 720)

                while 1:
                    while 1:
                        try:
                            osc_address, args = queue.get_nowait()
                        except Queue.Empty:
                            break

                        value = args[0]
                        if osc_address == "/bjoern/ekg":
                            plot_data1.append(value)
                            plot_data1.popleft()
                            try:
                                plotItem1.setData(y=np.array(
                                    scale_data(plot_data1,
                                               actors.index(plotItem1),
                                               len(actors))),
                                                  clear=True)
                            except ValueError:
                                pass
                        elif osc_address == "/merle/ekg":
                            plot_data2.append(value)
                            plot_data2.popleft()
                            try:
                                plotItem2.setData(y=np.array(
                                    scale_data(plot_data2,
                                               actors.index(plotItem2),
                                               len(actors))),
                                                  clear=True)
                            except ValueError:
                                pass
                        elif osc_address == "/uwe/ekg":
                            plot_data3.append(value)
                            plot_data3.popleft()
                            try:
                                plotItem3.setData(y=np.array(
                                    scale_data(plot_data3,
                                               actors.index(plotItem3),
                                               len(actors))),
                                                  clear=True)
                            except ValueError:
                                pass
                        elif osc_address == "/plot/uwe":
                            if value == 1 and is_item3 == False:
                                print "uwe on"
                                plt.addItem(plotItem3)
                                is_item3 = True
                                actors.append(plotItem3)
                                setPositions()
                            elif value == 0 and is_item3 == True:
                                print "uwe off"
                                plt.removeItem(plotItem3)
                                is_item3 = False
                                actors.remove(plotItem3)
                                setPositions()
                        elif osc_address == "/plot/merle":
                            if value == 1 and is_item2 == False:
                                print "merle on"
                                plt.addItem(plotItem2)
                                is_item2 = True
                                actors.append(plotItem2)
                                setPositions()
                            elif value == 0 and is_item2 == True:
                                print "merle off"
                                plt.removeItem(plotItem2)
                                is_item2 = False
                                actors.remove(plotItem2)
                                setPositions()
                        elif osc_address == "/plot/bjoern":
                            if value == 1 and is_item1 == False:
                                print "bjoern on"
                                plt.addItem(plotItem1)
                                is_item1 = True
                                actors.append(plotItem1)
                                setPositions()
                            elif value == 0 and is_item1 == True:
                                print "bjoern off"
                                plt.removeItem(plotItem1)
                                is_item1 = False
                                actors.remove(plotItem1)
                                setPositions()

                    exporter = pg.exporters.ImageExporter.ImageExporter(
                        plt.plotItem)
                    img = exporter.export("tmpfile", True)
                    buffer = QBuffer()
                    buffer.open(QIODevice.WriteOnly)
                    img.save(buffer, "JPG", 100)
                    JpegData = buffer.data()
                    del buffer
                    self.wfile.write(
                        "--aaboundary\r\nContent-Type: image/jpeg\r\nContent-length: %d\r\n\r\n%s\r\n\r\n\r\n"
                        % (len(JpegData), JpegData))

            elif self.path.endswith(".jpeg"):
                f = open(curdir + sep + self.path)
                self.send_response(200)
                self.send_header('Content-type', 'image/jpeg')
                self.end_headers()
                self.wfile.write(f.read())
                f.close()
            return
        except (KeyboardInterrupt, SystemError):
            thread.running = False
            thread.join()
        except IOError:
            self.send_error(404, 'File Not Found: %s' % self.path)
コード例 #42
0
	def buildXmlTree(self):
		"""
		Erzeugt den Element-Baum, der später in eine XML-Datei geschrieben werden kann.
		"""

		root = etree.Element(Config.PROGRAM_NAME, version=Config.version())

		etree.SubElement(root, "species").text = self.__character.species

		etree.SubElement(root, "era").text = self.__character.era

		## Identität
		identities = etree.SubElement(root, "identities")
		forenames = " ".join(self.__character.identity.forenames)
		etree.SubElement(identities, "identity",
			forenames=forenames,
			surname=self.__character.identity.surname,
			honorname=self.__character.identity.honorname,
			nickname=self.__character.identity.nickname,
			supername=self.__character.identity.supername,
			gender=self.__character.identity.gender,
		)

		## Daten
		etree.SubElement(root, "dates",
			birth=self.__character.dateBirth.toString(Config.DATE_FORMAT),
			becoming=self.__character.dateBecoming.toString(Config.DATE_FORMAT),
			game=self.__character.dateGame.toString(Config.DATE_FORMAT),
		)

		etree.SubElement(root, "virtue").text = self.__character.virtue

		etree.SubElement(root, "vice").text = self.__character.vice

		breedElement = etree.SubElement(root, "breed")
		breedElement.text = self.__character.breed
		if self.__character.bonus:
			breedElement.attrib["bonusType"] = self.__character.bonus["type"]
			breedElement.attrib["bonusName"] = self.__character.bonus["name"]
			if "specialty" in self.__character.bonus:
				breedElement.attrib["bonusSpecialty"] = self.__character.bonus["specialty"]
		if self.__character.species == "Changeling":
			breedElement.attrib["kith"] = self.__character.kith

		etree.SubElement(root, "faction").text = self.__character.faction

		etree.SubElement(root, "organisation").text = self.__character.organisation

		etree.SubElement(root, "party").text = self.__character.party

		etree.SubElement(root, "height").text = str(self.__character.height)

		etree.SubElement(root, "weight").text = str(self.__character.weight)

		etree.SubElement(root, "eyes").text = self.__character.eyes

		etree.SubElement(root, "hair").text = self.__character.hair

		etree.SubElement(root, "nationality").text = self.__character.nationality

		etree.SubElement(root, "description").text = self.__character.description

		etree.SubElement(root, "powerstat").text = str(self.__character.powerstat)

		etree.SubElement(root, "morality").text = str(self.__character.morality)

		## Geistesstörungen
		derangements = etree.SubElement(root, "derangements")
		for item in self.__character.derangements.items():
			if item[1]:
				etree.SubElement(derangements, "derangement", morality=str(item[0])).text = item[1]

		## Eigenschaften
		traits = etree.SubElement(root, "Traits")
		for item in self.__character.traits:
			traitTypeExists = False
			traitType = None
			for subitem in self.__character.traits[item]:
				traitCategoryExists = False
				traitCategory = None
				for subsubitem in self.__character.traits[item][subitem].values():
					## Eigenschaften müssen nur dann gespeichert werden, wenn ihr Wert != 0 ist und sie für die aktuell gewählte Spezies zur Verfügung stehen.
					if ( subsubitem.value != 0 and (not subsubitem.species or subsubitem.species == self.__character.species) ):
						if not traitTypeExists:
							traitType = etree.SubElement(traits, "Type", name=item)
							traitTypeExists = True
						if not traitCategoryExists:
							traitCategory = etree.SubElement(traitType, "Category", name=subitem)
							traitCategoryExists = True
						trait = etree.SubElement(traitCategory, "trait",
							name=subsubitem.name,
							value=str(subsubitem.value),
						)
						# Zusatztext
						if item != "Subpower" and subsubitem.custom:
							trait.attrib["customText"] =  str( subsubitem.customText )
						# Spezialisierungen
						if subsubitem.specialties:
							etree.SubElement(trait, "specialties").text = Config.XML_SEPARATION_SYMBOL.join( str(n) for n in subsubitem.specialties )

		## Gegenstände
		items = etree.SubElement(root, "Items")
		if self.__character.weapons:
			weapons = etree.SubElement(items, "Weapons")
			for category in self.__character.weapons:
				weaponCategory = etree.SubElement(weapons, "Category", name=category)
				for weapon in self.__character.weapons[category]:
					etree.SubElement(weaponCategory, "weapon").text = weapon
		if self.__character.armor:
			etree.SubElement(items, "armor", dedicated=str(self.__character.armor["dedicated"])).text = self.__character.armor["name"]
		if self.__character.equipment or self.__character.magicalTool:
			equipment = etree.SubElement(items, "Equipment")
			for item in self.__character.equipment:
				etree.SubElement(equipment, "equipment").text = item
			if self.__character.magicalTool:
				etree.SubElement(equipment, "magicalTool").text = self.__character.magicalTool
		if self.__character.automobiles:
			automobiles = etree.SubElement(items, "Automobiles")
			for typ in self.__character.automobiles:
				itemType = etree.SubElement(automobiles, "Type", name=typ)
				for automobile in self.__character.automobiles[typ]:
					etree.SubElement(itemType, "item").text = automobile
		if self.__character.extraordinaryItems:
			extraordinaries = etree.SubElement(items, "ExtraordinaryItems")
			for typ in self.__character.extraordinaryItems:
				itemType = etree.SubElement(extraordinaries, "Type", name=typ)
				for extraordinaryItem in self.__character.extraordinaryItems[typ]:
					etree.SubElement(itemType, "item").text = extraordinaryItem

		## Spezialseigenschaften der Spezies
		if self.__character.nimbus:
			etree.SubElement(root, "nimbus").text = self.__character.nimbus
		if self.__character.paradoxMarks:
			etree.SubElement(root, "paradoxMarks").text = self.__character.paradoxMarks
		if any((x.name and x.value > 0) for x in self.__character.vinculi):
			vinculi = etree.SubElement(root, "vinculi")
			for item in self.__character.vinculi:
				if item.name and item.value > 0:
					etree.SubElement(vinculi, "vinculum", value=str(item.value)).text = item.name
		companion = etree.SubElement(
			root,
			"companion",
			name = self.__character.companionName,
			power = str(self.__character.companionPower),
			finesse = str(self.__character.companionFinesse),
			resistance = str(self.__character.companionResistance),
			size = str(self.__character.companionSize),
			speedFactor = str(self.__character.companionSpeedFactor),
		)
		for item in self.__character.companionNumina:
			etree.SubElement(companion, "numen").text = item
		for item in self.__character.companionInfluences:
			if item.name and item.value > 0:
				etree.SubElement(companion, "influence", value=str(item.value)).text = item.name
		if self.__character.companionBan:
			etree.SubElement(companion, "ban").text = self.__character.companionBan
		

		if self.__character.picture:
			imageData = QByteArray()
			imageBuffer = QBuffer(imageData)
			imageBuffer.open(QIODevice.WriteOnly)
			self.__character.picture.save(imageBuffer, Config.CHARACTER_PIC_FORMAT)	# Schreibt das Bild in ein QByteArray im angegebenen Bildformat.
			imageData = imageData.toBase64().data()
			etree.SubElement(root, "picture").text = imageData.decode("UTF-8")

		return root
コード例 #43
0
def OCRperformOCRDigit(x,y,w,h):
	rvalue = ''
	img = QPixmap.grabWindow(QApplication.desktop().winId(),x,y,w,h)
	img.save('test.png', 'png')
	buffer = QBuffer()
	buffer.open(QIODevice.ReadWrite)
	img.save(buffer, "PNG")
	
	strio = cStringIO.StringIO()
	strio.write(buffer.data())
	buffer.close()
	strio.seek(0)
	im = Image.open(strio)
	#im = Image.open('/home/liutauras/Documents/Python/test.png')
	pixdata = im.load();
	for y in xrange(im.size[1]):
		for x in xrange(im.size[0]):
			total = pixdata[x, y][0] + pixdata[x, y][1] + pixdata[x, y][2]
			if total < 550:
				pixdata[x, y] = (255, 255, 255)
			else:
				pixdata[x, y] = (0, 0, 0)
				
	#Add extra space on each side
	for y in xrange(im.size[1]):
		pixdata[0,y] = (255, 255, 255)
		pixdata[1,y] = (255, 255, 255)
		pixdata[im.size[0]-1,y] = (255, 255, 255)
		pixdata[im.size[0]-2,y] = (255, 255, 255)
	for x in xrange(im.size[0]):
		pixdata[x,0] = (255, 255, 255)
		pixdata[x,1] = (255, 255, 255)
		pixdata[x,im.size[1]-1] = (255, 255, 255)
		pixdata[x,im.size[1]-2] = (255, 255, 255)
		
	nx, ny = im.size
	im = im.resize((nx*5, ny*5), Image.ANTIALIAS)
	enh = ImageEnhance.Contrast(im)
	pixdata = im.load()
	for y in xrange(im.size[1]):
		for x in xrange(im.size[0]):
			total = pixdata[x, y][0] + pixdata[x, y][1] + pixdata[x, y][2]
			if total < 500:
				pixdata[x, y] = (0, 0, 0)
			else:
				pixdata[x, y] = (255, 255, 255)	
	im = im.resize((int(nx*5), int(ny*5)), Image.BILINEAR)
	#rvalue = OCR_to_string(im,True)
	pixdata = im.load()
	#Correct 4 not to overlap
	lastTot2 = 0
	lastTot = 0;
	for x in xrange(im.size[0]):
		total = 0
		for y in xrange(26,im.size[1]):
			total = total + sum(pixdata[x, y])
		if(total == 20655 and lastTot == 20655 and lastTot2 == 9180):
			x = x - 1
			for xT in range(x,3+x):
				for y in xrange(25,43):
					pixdata[xT,y] = (270,270,270)
			for xT in range(x,6+x):
				for y in xrange(35,40):
					pixdata[xT,y] = (270,270,270)
		lastTot2 = lastTot
		lastTot = total
	#Spit by Character
	totalSumLast = 0
	startX = 0
	for x in xrange(im.size[0]):
		#Start of digits flag
		totalSum = 0
		for y in xrange(im.size[1]):
			totalSum = totalSum + pixdata[x, y][0] + pixdata[x, y][1] + pixdata[x, y][2]
		if(totalSum < totalSumLast and totalSumLast == 45900):
			startX = x
			for y in xrange(im.size[1]):
				pixdata[x, y] = (0, 0, 0)
		elif(totalSum > totalSumLast and totalSum == 45900 and startX != 0):
			#Detect start on y axis
			startY = 0
			for y1 in xrange(im.size[1]):
				innerSum = 0
				divTot = 0
				for x1 in xrange(startX,x):
					innerSum = innerSum + sum(pixdata[x1, y1]) 
					divTot = divTot + 1
				innerSum = innerSum/divTot
				if(startY == 0 and innerSum < 630):
					startY = y1
				elif(startY != 0 and innerSum > 630):
					for x1 in xrange(startX,x):
						pixdata[x1, startY] = (0, 200, 0)
						pixdata[x1, y1] = (0, 0, 200)
					#Total area sum
					totalAreaSum = 0
					for x1 in xrange(startX,x):
						for y2 in xrange(startY,y1):
							totalAreaSum = totalAreaSum + sum(pixdata[x1, y2])
					#Decoding digit
					if(totalAreaSum == 190060):
						rvalue = rvalue + '1'
					elif(totalAreaSum == 8285):
						rvalue = rvalue + '.'
					elif(totalAreaSum == 231605 or totalAreaSum == 237725):
						rvalue = rvalue + '4'
					elif(totalAreaSum == 283625):
						rvalue = rvalue + '2'
					elif(totalAreaSum == 245375):
						rvalue = rvalue + '5'
					elif(totalAreaSum == 321875):
						rvalue = rvalue + '7'
					elif(totalAreaSum == 251495):
						rvalue = rvalue + '9'
					elif(totalAreaSum == 228545):
						rvalue = rvalue + '0'
					elif(totalAreaSum == 275975):
						rvalue = rvalue + '3'
					elif(totalAreaSum == 262970):
						rvalue = rvalue + '6'
					elif(totalAreaSum == 217070):
						rvalue = rvalue + '8'
					elif(totalAreaSum == 236195):
						rvalue = rvalue + '0'
					elif(totalAreaSum == 223190):
						rvalue = rvalue + '8'
					elif(totalAreaSum == 270620):
						rvalue = rvalue + '6'
					else:
						print '-------------------------'
						subprocess.call(['/usr/bin/canberra-gtk-play','--id','bell'])
						rvalue = rvalue + ''
						filename = 'errorB'+rvalue+'|'+str(totalAreaSum)+'|'+str(random.randint(1,1000))+'.png'
						print '--------E---------------'
						img.save(filename, 'png')
						print filename,totalAreaSum
						print '-------------------------'
					#print totalAreaSum
					startY = 0
			startX = 0
			for y in xrange(im.size[1]):
				pixdata[x, y] = (200, 0, 0)
		totalSumLast = totalSum
	
	
	#rvalue = '0'+rvalue
	rvalue = rvalue.replace('\n','').replace(' ','')
	if(len(rvalue) > 0):
		im.save("a.png")
		rvalue = rvalue.replace(',','').replace(' ','').replace('.','')
		rvalue = int(rvalue)
	else:
		rvalue = 0
	return rvalue 
コード例 #44
0
ファイル: network.py プロジェクト: dhrosa/empyre_old
class Connection(QTcpSocket):
    """Abstracts server-client connections.
    
    Whenever data is received, a Connection attempts to parse a Message and arguments from the data, and emits messageReceived for each parsed message. See QTcpSocket documentation for other members."""
    messageSent = pyqtSignal(int, list)
    """Emitted whenever a message is sent. Arguments: the message type, list of arguments."""
    messageReceived = pyqtSignal(int, list)
    """Emitted whenever a message is recieved. Arguments: the message type, list of arguments."""
    messageReceived2 = pyqtSignal()

    def __init__(self, id = None, client = False, parent = None):
        """Creates a connection.
        
        id -- Optional socket descriptor.
        client -- Whether this connection is opened from the client side or server side.
        parent -- Parent object."""
        QTcpSocket.__init__(self, parent)
        if id:
            if not self.setSocketDescriptor(id):
                self.done()
                return
            self.id = id
        self.player = None
        self.client = client
        self.buffer = QBuffer()
        self.buffer.open(QBuffer.ReadWrite)
        self.readyRead.connect(self._readIncomingData)        

    def abort(self):
        """Aborts the connection."""
        super(Connection, self).abort()

    def _readIncomingData(self):
        bytesWritten = self.buffer.write(self.readAll())
        self.buffer.seek(0)
        result = self._parse()
        bytesRead = 0
        while result:
            bytesRead += result[2]
            msg, args = result[:2]
            if self.client:
                log.debug("Received %s %s", msg, args)
            elif self.player and self.player.name:
                log.debug("Received %s %s from %s", msg, args, self.player)
            else:
                log.debug("Received %s %s from %s", msg, args, self.peerAddress().toString())
            self.messageReceived.emit(msg, args)
            self.messageReceived2.emit()
            result = self._parse()
        #remove the successfully parsed data
        size = self.buffer.size()
        self.buffer.close()
        data = self.buffer.data()
        self.buffer.setData(data.right(size - bytesRead))
        self.buffer.open(QBuffer.ReadWrite)
        self.buffer.seek(self.buffer.size())

    def _parse(self):
        if self.buffer.bytesAvailable() >= 4:
            stream = QDataStream(self.buffer)
            msg = Message.fromInt(stream.readInt32())
            if msg == None:
                return
            args = []
            bytesRead = 4
            for aType in msg.argTypes:
                if aType == str:
                    if self.buffer.bytesAvailable() < 4:
                        return
                    length = stream.readInt32()
                    if self.buffer.bytesAvailable() < length:
                        return
                    args.append(stream.readRawData(length))
                    bytesRead += 4 + length
                elif aType == int:
                    if self.buffer.bytesAvailable() < 4:
                        return
                    args.append(stream.readInt32())
                    bytesRead += 4
                elif aType == long:
                    if self.buffer.bytesAvailable() < 8:
                        return
                    args.append(stream.readInt64())
                    bytesRead += 8
            return (msg, args, bytesRead)

    def sendMessage(self, msg, args, id = None):
        """Sends a message.

        msg -- The message type.
        args -- List of message arguments.
        id -- An optional socket descriptor. If specified, then the message will only be sent if this connection's socket descriptor matches id."""
        if id:
            if self.socketDescriptor() != id:
                return
        msg = Message.fromInt(msg)
        if not msg.validateArgs(args):
            log.warning("Message %d and args %s have invalid types. Message not sent.", msg, args)
            return
        if self.client:
            log.debug("Sending %s %s", msg, args)
        elif self.player and self.player.name:
            log.debug("Sending %s %s to %s", msg, args, self.player)
        else:
            log.debug("Sending %s %s to %s", msg, args, self.peerAddress().toString())
        data = QByteArray()
        stream = QDataStream(data, self.WriteOnly)
        stream.writeInt32(int(msg))
        for arg in args:
            if type(arg) == str:
                stream.writeInt32(len(arg))
                stream.writeRawData(arg)
            elif type(arg) == int:
                stream.writeInt32(arg)
            elif type(arg) == long:
                stream.writeInt64(arg)
        self.write(data)
        self.messageSent.emit(msg, args)
コード例 #45
0
class Window(QWidget):

    def __init__(self, parent = None):
    
        QWidget.__init__(self, parent)
        
        format = QAudioFormat()
        format.setChannels(1)
        format.setFrequency(22050)
        format.setSampleSize(16)
        format.setCodec("audio/pcm")
        format.setByteOrder(QAudioFormat.LittleEndian)
        format.setSampleType(QAudioFormat.SignedInt)
        self.output = QAudioOutput(format, self)
        
        self.frequency = 440
        self.volume = 0
        self.buffer = QBuffer()
        self.data = QByteArray()
        
        self.deviceLineEdit = QLineEdit()
        self.deviceLineEdit.setReadOnly(True)
        self.deviceLineEdit.setText(QAudioDeviceInfo.defaultOutputDevice().deviceName())
        
        self.pitchSlider = QSlider(Qt.Horizontal)
        self.pitchSlider.setMaximum(100)
        self.volumeSlider = QSlider(Qt.Horizontal)
        self.volumeSlider.setMaximum(32767)
        self.volumeSlider.setPageStep(1024)
        
        self.playButton = QPushButton(self.tr("&Play"))
        
        self.pitchSlider.valueChanged.connect(self.changeFrequency)
        self.volumeSlider.valueChanged.connect(self.changeVolume)
        self.playButton.clicked.connect(self.play)
        
        formLayout = QFormLayout()
        formLayout.addRow(self.tr("Device:"), self.deviceLineEdit)
        formLayout.addRow(self.tr("P&itch:"), self.pitchSlider)
        formLayout.addRow(self.tr("&Volume:"), self.volumeSlider)
        
        buttonLayout = QVBoxLayout()
        buttonLayout.addWidget(self.playButton)
        buttonLayout.addStretch()
        
        horizontalLayout = QHBoxLayout(self)
        horizontalLayout.addLayout(formLayout)
        horizontalLayout.addLayout(buttonLayout)
    
    def changeFrequency(self, value):
    
        self.frequency = 440 + (value * 2)
    
    def play(self):
    
        if self.output.state() == QAudio.ActiveState:
            self.output.stop()
        
        if self.buffer.isOpen():
            self.buffer.close()
        
        self.createData()
        
        self.buffer.setData(self.data)
        self.buffer.open(QIODevice.ReadOnly)
        self.buffer.seek(0)
        
        self.output.start(self.buffer)
    
    def changeVolume(self, value):
    
        self.volume = value
    
    def createData(self):
    
        # Create 2 seconds of data with 22050 samples per second, each sample
        # being 16 bits (2 bytes).
        
        self.data.clear()
        for i in xrange(2 * 22050):
            t = i / 22050.0
            value = int(self.volume * sin(2 * pi * self.frequency * t))
            self.data.append(struct.pack("<h", value))
コード例 #46
0
ファイル: test_004.py プロジェクト: esernaalonso/dev
class Window(QWidget):

    def __init__(self, parent = None):

        QWidget.__init__(self, parent)

        format = QAudioFormat()
        format.setChannels(1)
        format.setFrequency(22050)
        format.setSampleSize(16)
        format.setCodec("audio/pcm")
        format.setByteOrder(QAudioFormat.LittleEndian)
        format.setSampleType(QAudioFormat.SignedInt)
        self.output = QAudioOutput(format, self)

        self.frequency = 440
        self.volume = 0
        self.buffer = QBuffer()
        self.data = QByteArray()

        self.deviceLineEdit = QLineEdit()
        self.deviceLineEdit.setReadOnly(True)
        self.deviceLineEdit.setText(QAudioDeviceInfo.defaultOutputDevice().deviceName())

        self.pitchSlider = QSlider(Qt.Horizontal)
        self.pitchSlider.setMaximum(100)
        self.volumeSlider = QSlider(Qt.Horizontal)
        self.volumeSlider.setMaximum(32767)
        self.volumeSlider.setPageStep(1024)

        self.playButton = QPushButton(self.tr("&Play"))

        self.pitchSlider.valueChanged.connect(self.changeFrequency)
        self.volumeSlider.valueChanged.connect(self.changeVolume)
        self.playButton.clicked.connect(self.play)

        formLayout = QFormLayout()
        formLayout.addRow(self.tr("Device:"), self.deviceLineEdit)
        formLayout.addRow(self.tr("P&itch:"), self.pitchSlider)
        formLayout.addRow(self.tr("&Volume:"), self.volumeSlider)

        buttonLayout = QVBoxLayout()
        buttonLayout.addWidget(self.playButton)
        buttonLayout.addStretch()

        horizontalLayout = QHBoxLayout(self)
        horizontalLayout.addLayout(formLayout)
        horizontalLayout.addLayout(buttonLayout)

    def changeFrequency(self, value):

        self.frequency = 440 + (value * 2)

    def play(self):

        if self.output.state() == QAudio.ActiveState:
            self.output.stop()

        if self.buffer.isOpen():
            self.buffer.close()

        self.createData()

        self.buffer.setData(self.data)
        self.buffer.open(QIODevice.ReadOnly)
        self.buffer.seek(0)

        self.output.start(self.buffer)

    def changeVolume(self, value):

        self.volume = value

    def createData(self):

        # Create 2 seconds of data with 22050 samples per second, each sample
        # being 16 bits (2 bytes).

        self.data.clear()
        for i in xrange(2 * 22050):
            t = i / 22050.0
            value = int(self.volume * sin(2 * pi * self.frequency * t))
            self.data.append(struct.pack("<h", value))
コード例 #47
0
def OCRperformOCRPlayerBalance(x,y,w,h,flag = False):
	rvalue = ''
	img = QPixmap.grabWindow(QApplication.desktop().winId(),x,y,w,h)
	#img= Image.open('/home/liutauras/Documents/Python/P0.912100785738.png')
	if(flag):
		img.save('P'+str(random.random())+'.png', 'png')
	buffer = QBuffer()
	buffer.open(QIODevice.ReadWrite)
	img.save(buffer, "PNG")
	
	strio = cStringIO.StringIO()
	strio.write(buffer.data())
	buffer.close()
	strio.seek(0)
	im = Image.open(strio)
	#im = Image.open('/home/liutauras/Documents/Python/PtestAllIn.png')
	pixdata = im.load();
	for y in xrange(im.size[1]):
		for x in xrange(im.size[0]):
			total = pixdata[x, y][0] + pixdata[x, y][1] + pixdata[x, y][2]
			if total < 550:
				pixdata[x, y] = (255, 255, 255)
			else:
				pixdata[x, y] = (0, 0, 0)
				
	#Add extra space on each side
	for y in xrange(im.size[1]):
		pixdata[0,y] = (255, 255, 255)
		pixdata[1,y] = (255, 255, 255)
		pixdata[im.size[0]-1,y] = (255, 255, 255)
		pixdata[im.size[0]-2,y] = (255, 255, 255)
	for x in xrange(im.size[0]):
		pixdata[x,0] = (255, 255, 255)
		pixdata[x,1] = (255, 255, 255)
		pixdata[x,im.size[1]-1] = (255, 255, 255)
		pixdata[x,im.size[1]-2] = (255, 255, 255)
		
	nx, ny = im.size
	im = im.resize((nx*5, ny*5), Image.ANTIALIAS)
	enh = ImageEnhance.Contrast(im)
	pixdata = im.load()
	for y in xrange(im.size[1]):
		for x in xrange(im.size[0]):
			total = pixdata[x, y][0] + pixdata[x, y][1] + pixdata[x, y][2]
			if total < 500:
				pixdata[x, y] = (0, 0, 0)
			else:
				pixdata[x, y] = (255, 255, 255)	
	im = im.resize((int(nx*5), int(ny*5)), Image.BILINEAR)
	#rvalue = OCR_to_string(im,True)
	pixdata = im.load()
	#Spit by Character
	totalSumLast = 0
	startX = 0
	for x in xrange(im.size[0]):
		#Start of digits flag
		totalSum = 0
		for y in xrange(im.size[1]):
			totalSum = totalSum + pixdata[x, y][0] + pixdata[x, y][1] + pixdata[x, y][2]
		if(totalSum < totalSumLast and totalSumLast == 61200):
			startX = x
			for y in xrange(im.size[1]):
				pixdata[x, y] = (0, 0, 0)
		elif(totalSum > totalSumLast and totalSum == 61200 and startX != 0):
			#Detect start on y axis
			flagAllIn = 0
			flagSittingOut = 0
			startY = 0
			for y1 in xrange(im.size[1]):
				if(flagAllIn == 1 or flagSittingOut == 1):
					break
				innerSum = 0
				divTot = 0
				for x1 in xrange(startX,x):
					innerSum = innerSum + sum(pixdata[x1, y1]) 
					divTot = divTot + 1
				innerSum = innerSum/divTot
				if(startY == 0 and innerSum < 630):
					startY = y1
				elif(startY != 0 and innerSum > 630):
					for x1 in xrange(startX,x):
						pixdata[x1, startY] = (0, 200, 0)
						pixdata[x1, y1] = (0, 0, 200)
					#Total area sum
					totalAreaSum = 0
					for x1 in xrange(startX,x):
						for y2 in xrange(startY,y1):
							totalAreaSum = totalAreaSum + sum(pixdata[x1, y2])
					#Decoding digit
					if(totalAreaSum == 353945):
						flagAllIn = 1
						rvalue = '0'
						break
					elif(totalAreaSum == 105910):
						rvalue = '-1'
						flagSittingOut = 1
					elif(totalAreaSum == 8285):
						rvalue = rvalue + ','
					elif(totalAreaSum == 230545):
						rvalue = rvalue + '0'
					elif(totalAreaSum == 199475):
						rvalue = rvalue + '1'
					elif(totalAreaSum == 346825):
						rvalue = rvalue + '2'
					elif(totalAreaSum == 362125):
						rvalue = rvalue + '3'
					elif(totalAreaSum == 379720):
						rvalue = rvalue + '4'
					elif(totalAreaSum == 304750):
						rvalue = rvalue + '5'
					elif(totalAreaSum == 295570):
						rvalue = rvalue + '6'
					elif(totalAreaSum == 453160):
						rvalue = rvalue + '7'
					elif(totalAreaSum == 219070):
						rvalue = rvalue + '8'
					elif(totalAreaSum == 310870):
						rvalue = rvalue + '9'
					startY = 0
			startX = 0
                   for y in xrange(im.size[1]):
                       pixdata[x, y] = (200, 0, 0)
                   totalSumLast = totalSum
	rvalue = rvalue.replace('\n','').replace(' ','')
	if(flag):
		im.save("Pa"+str(random.random())+".png")
	rvalue = rvalue.replace(',','').replace(' ','').replace('.','')
	if(len(rvalue) > 0):
		return int(rvalue)
	else:
		return -2
コード例 #48
0
    def do_GET(self):
        print "get"
        global plotValues
        try:
            self.path = re.sub('[^.a-zA-Z0-9]', "", str(self.path))
            if self.path == "" or self.path == None or self.path[:1] == ".":
                return
            if self.path.endswith(".html"):
                f = open(curdir + sep + self.path)
                self.send_response(200)
                self.send_header('Content-type', 'text/html')
                self.end_headers()
                self.wfile.write(f.read())
                f.close()
                return
            if self.path.endswith(".mjpeg"):
                self.thread = WorkThread()
                #self.thread.osc_received.connect(self.change)
                #self.connect(self.thread, thread.osc_received, self.change)
                self.thread.osc_received.connect(self.receive_osc)
                self.thread.start()

                self.send_response(200)

                self.plt = plt = PlotWindow(title="EKG", name="Merle")
                plt.addLegend()
                #plt = pg.plot(pen=(0, 3*1.3))
                plt.resize(1280, 720)
                self.plotItem1 = plotItem1 = pg.PlotCurveItem(pen=pg.mkPen(
                    'r', width=4),
                                                              name="bjoern")
                self.plotItem2 = plotItem2 = pg.PlotCurveItem(pen=pg.mkPen(
                    'g', width=4),
                                                              name="merle")
                self.plotItem3 = plotItem3 = pg.PlotCurveItem(pen=pg.mkPen(
                    'b', width=4),
                                                              name="uwe")
                plotItem1.setPos(0, 0 * 6)
                plotItem2.setPos(0, 1 * 6)
                plotItem3.setPos(0, 2 * 6)
                plt.addItem(plotItem1)
                plt.addItem(plotItem2)
                plt.addItem(plotItem3)

                plt.setLabel('left', "EKG")
                plt.setLabel('bottom', "Time")
                plt.showGrid(True, True)
                ba = plt.getAxis("bottom")
                bl = plt.getAxis("left")
                ba.setTicks([])
                bl.setTicks([])
                plt.setYRange(0, 254)
                #print type(plt)
                self.wfile.write(
                    "Content-Type: multipart/x-mixed-replace; boundary=--aaboundary"
                )
                self.wfile.write("\r\n\r\n")

                last = time.time()
                now = last

                while 1:
                    plotItem1.setData(y=np.array(self.plot_data1), clear=True)
                    plotItem2.setData(y=np.array(self.plot_data2), clear=True)
                    plotItem3.setData(y=np.array(self.plot_data3), clear=True)
                    #item = plt.plot(plot_data1, pen=(0, 3*1.3), clear=True)

                    exporter = pg.exporters.ImageExporter.ImageExporter(
                        plt.plotItem)
                    exporter.parameters()['width'] = 1280
                    #exporter.parameters()['height'] = 720
                    name = 'tmpfile'
                    img = exporter.export(name, True)
                    buffer = QBuffer()
                    buffer.open(QIODevice.ReadWrite)
                    img.save(buffer, "JPG", 100)
                    JpegData = buffer.data()
                    self.wfile.write("--aaboundary\r\n")
                    self.wfile.write("Content-Type: image/jpeg\r\n")
                    self.wfile.write("Content-length: %d\r\n\r\n" %
                                     len(JpegData))
                    self.wfile.write(JpegData)
                    self.wfile.write("\r\n\r\n\r\n")
                    now = time.time()
                    dur = now - last
                    #print dur
                    wait = 0.04 - dur
                    if wait > 0:
                        time.sleep(wait)
                    last = now
                return
            if self.path.endswith(".jpeg"):
                f = open(curdir + sep + self.path)
                self.send_response(200)
                self.send_header('Content-type', 'image/jpeg')
                self.end_headers()
                self.wfile.write(f.read())
                f.close()
                return
            return
        except IOError:
            self.send_error(404, 'File Not Found: %s' % self.path)
コード例 #49
0
def base64image(image):
  ba = QByteArray()
  buffer = QBuffer(ba)
  buffer.open(QIODevice.WriteOnly)
  image.save(buffer, "PNG")
  return "data:image/png;base64," + ba.toBase64().data()
コード例 #50
0
    def send(self, method, url, headers, body, context=None):
        qurl = QUrl.fromEncoded(url)
        request = QNetworkRequest()
        request.setUrl(qurl)
        method = self.translate_method(method, request)

        host, useragent, content_type = None, None, None
        for name, value in headers.items():
            lname = name.lower()
            if 'user-agent' == lname:
                useragent = value
            elif 'host' == lname:
                host = value
            elif 'content-type' == lname:
                content_type = value
            elif 'content-length' == lname:
                continue
            request.setRawHeader(name, value)

        if not host:
            request.setRawHeader('Host', str(qurl.host()))
        if not useragent:
            request.setRawHeader('User-Agent', self.framework.useragent())
        if 'POST' == method and not content_type:
            request.setRawHeader('Content-Type',
                                 'application/x-www-form-urlencoded')

        if not body:
            if method in (
                    'POST', 'PUT', 'CUSTOM'
            ):  # TODO: determine specific methods that expect content?
                body = ''
            else:
                device = None

        if method in ('GET', 'HEAD', 'DELETE'):
            # can't have body, because not supported by Qt network logic
            body = None
            device = None

        if body is not None:
            request.setRawHeader('Content-Length', str(len(body)))
            data = QByteArray(body)
            device = QBuffer(self)
            device.setData(data)
            device.open(QIODevice.ReadOnly)

        request.setAttribute(request.CacheLoadControlAttribute,
                             request.AlwaysNetwork)

        if 'GET' == method:
            reply = self.networkAccessManager.get(request)
        elif 'HEAD' == method:
            reply = self.networkAccessManager.head(request)
        elif 'DELETE' == method:
            reply = self.networkAccessManager.head(request)
        elif 'POST' == method:
            reply = self.networkAccessManager.post(request, device)
        elif 'PUT' == method:
            reply = self.networkAccessManager.put(request, device)
        else:
            reply = self.networkAccessManager.sendCustomRequest(
                request, method, device)

        response = NetworkResponse(self.framework, self.callback, reply,
                                   context, self)
        return NetworkRequest(request, reply, response, context, self)