Exemple #1
0
        def __init__ (self,
                      title   = 'Save file',
                      parent  = None,
                      action  = gtk.FILE_CHOOSER_ACTION_SAVE,
                      buttons = (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
                                 gtk.STOCK_SAVE,   gtk.RESPONSE_OK),
                      path    = None,
                      filetypes = [],
                      default_filetype = None
                      ):
            super (FileChooserDialog, self).__init__ (title, parent, action,
                                                      buttons)
            self.set_default_response (gtk.RESPONSE_OK)

            if not path: path = os.getcwd() + os.sep

            # create an extra widget to list supported image formats
            self.set_current_folder (path)
            self.set_current_name ('image.' + default_filetype)

            hbox = gtk.HBox (spacing=10)
            hbox.pack_start (gtk.Label ("File Format:"), expand=False)

            liststore = gtk.ListStore(gobject.TYPE_STRING)
            cbox = gtk.ComboBox(liststore)
            cell = gtk.CellRendererText()
            cbox.pack_start(cell, True)
            cbox.add_attribute(cell, 'text', 0)
            hbox.pack_start (cbox)

            self.filetypes = filetypes
            self.sorted_filetypes = filetypes.items()
            self.sorted_filetypes.sort()
            default = 0
            for i, (ext, name) in enumerate(self.sorted_filetypes):
                cbox.append_text ("%s (*.%s)" % (name, ext))
                if ext == default_filetype:
                    default = i
            cbox.set_active(default)
            self.ext = default_filetype

            def cb_cbox_changed (cbox, data=None):
                """File extension changed"""
                head, filename = os.path.split(self.get_filename())
                root, ext = os.path.splitext(filename)
                ext = ext[1:]
                new_ext = self.sorted_filetypes[cbox.get_active()][0]
                self.ext = new_ext

                if ext in self.filetypes:
                    filename = root + '.' + new_ext
                elif ext == '':
                    filename = filename.rstrip('.') + '.' + new_ext

                self.set_current_name (filename)
            cbox.connect ("changed", cb_cbox_changed)

            hbox.show_all()
            self.set_extra_widget(hbox)
Exemple #2
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        def toggled(item, data=None):
            if item == self.itemAll:
                for item in items: item.set_active(True)
            elif item == self.itemInvert:
                for item in items:
                    item.set_active(not item.get_active())

            ind = [i for i,item in enumerate(items) if item.get_active()]
            self.set_active(ind)
Exemple #3
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        def toggled(item, data=None):
            if item == self.itemAll:
                for item in items: item.set_active(True)
            elif item == self.itemInvert:
                for item in items:
                    item.set_active(not item.get_active())

            ind = [i for i,item in enumerate(items) if item.get_active()]
            self.set_active(ind)
Exemple #4
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    def _draw_mathtext(self, gc, x, y, s, prop, angle):
        if _debug: print '%s.%s()' % (self.__class__.__name__, _fn_name())
       # mathtext using the gtk/gdk method

        if numx.which[0] == "numarray":
            warnings.warn("_draw_mathtext() currently works for numpy, but "
                          "not numarray")
            return

        if not HAVE_CAIRO_NUMPY:
            warnings.warn("cairo with Numeric support is required for "
                          "_draw_mathtext()")
            return

        size = prop.get_size_in_points()
        width, height, fonts = math_parse_s_ft2font(
            s, self.dpi.get(), size)

        if angle==90:
            width, height = height, width
            x -= width
        y -= height

        imw, imh, s = fonts[0].image_as_str()
        N = imw*imh

        # a numpixels by num fonts array
        Xall = numx.zeros((N,len(fonts)), typecode=numx.UInt8)

        for i, font in enumerate(fonts):
            if angle == 90:
                font.horiz_image_to_vert_image() # <-- Rotate
            imw, imh, s = font.image_as_str()
            Xall[:,i] = numx.fromstring(s, numx.UInt8)

        # get the max alpha at each pixel
        Xs = numx.mlab.max (Xall,1)

        # convert it to it's proper shape
        Xs.shape = imh, imw

        pa = numx.zeros(shape=(imh,imw,4), typecode=numx.UInt8)
        rgb = gc.get_rgb()
        pa[:,:,0] = int(rgb[0]*255)
        pa[:,:,1] = int(rgb[1]*255)
        pa[:,:,2] = int(rgb[2]*255)
        pa[:,:,3] = Xs

        # works for numpy pa, not a numarray pa
        surface = cairo.ImageSurface.create_for_array (pa)
        gc.ctx.set_source_surface (surface, x, y)
        gc.ctx.paint()
Exemple #5
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    def _draw_mathtext(self, gc, x, y, s, prop, angle):
        size = prop.get_size_in_points()
        width, height, fonts = math_parse_s_ft2font(s, self.dpi.get(), size)

        if angle == 90:
            width, height = height, width
            x -= width
        y -= height

        imw, imh, image_str = fonts[0].image_as_str()
        N = imw * imh

        # a numpixels by num fonts array
        Xall = zeros((N, len(fonts)), typecode=UInt8)

        for i, font in enumerate(fonts):
            if angle == 90:
                font.horiz_image_to_vert_image()  # <-- Rotate
            imw, imh, image_str = font.image_as_str()
            Xall[:, i] = fromstring(image_str, UInt8)

        # get the max alpha at each pixel
        Xs = numerix.mlab.max(Xall, 1)

        # convert it to it's proper shape
        Xs.shape = imh, imw

        pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB,
                                has_alpha=True,
                                bits_per_sample=8,
                                width=imw,
                                height=imh)

        array = pixbuf_get_pixels_array(pixbuf)

        rgb = gc.get_rgb()
        array[:, :, 0] = int(rgb[0] * 255)
        array[:, :, 1] = int(rgb[1] * 255)
        array[:, :, 2] = int(rgb[2] * 255)
        array[:, :, 3] = Xs

        try:  # new in 2.2
            # can use None instead of gc.gdkGC, if don't need clipping
            self.gdkDrawable.draw_pixbuf(gc.gdkGC, pixbuf, 0, 0, int(x),
                                         int(y), imw, imh, gdk.RGB_DITHER_NONE,
                                         0, 0)
        except AttributeError:
            # deprecated in 2.2
            pixbuf.render_to_drawable(self.gdkDrawable, gc.gdkGC, 0, 0, int(x),
                                      int(y), imw, imh, gdk.RGB_DITHER_NONE, 0,
                                      0)
Exemple #6
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    def _draw_mathtext(self, gc, x, y, s, prop, angle):
        if _debug: print '%s.%s()' % (self.__class__.__name__, _fn_name())
        # mathtext using the gtk/gdk method

        if numx.which[0] == "numarray":
            warnings.warn("_draw_mathtext() currently works for numpy, but "
                          "not numarray")
            return

        if not HAVE_CAIRO_NUMPY:
            warnings.warn("cairo with Numeric support is required for "
                          "_draw_mathtext()")
            return

        size = prop.get_size_in_points()
        width, height, fonts = math_parse_s_ft2font(s, self.dpi.get(), size)

        if angle == 90:
            width, height = height, width
            x -= width
        y -= height

        imw, imh, s = fonts[0].image_as_str()
        N = imw * imh

        # a numpixels by num fonts array
        Xall = numx.zeros((N, len(fonts)), typecode=numx.UInt8)

        for i, font in enumerate(fonts):
            if angle == 90:
                font.horiz_image_to_vert_image()  # <-- Rotate
            imw, imh, s = font.image_as_str()
            Xall[:, i] = numx.fromstring(s, numx.UInt8)

        # get the max alpha at each pixel
        Xs = numx.mlab.max(Xall, 1)

        # convert it to it's proper shape
        Xs.shape = imh, imw

        pa = numx.zeros(shape=(imh, imw, 4), typecode=numx.UInt8)
        rgb = gc.get_rgb()
        pa[:, :, 0] = int(rgb[0] * 255)
        pa[:, :, 1] = int(rgb[1] * 255)
        pa[:, :, 2] = int(rgb[2] * 255)
        pa[:, :, 3] = Xs

        # works for numpy pa, not a numarray pa
        surface = cairo.ImageSurface.create_for_array(pa)
        gc.ctx.set_source_surface(surface, x, y)
        gc.ctx.paint()
Exemple #7
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    def _draw_mathtext(self, gc, x, y, s, prop, angle):
        if DEBUG: print 'backend_cairo.RendererCairo.%s()' % _fn_name()
       # mathtext using the gtk/gdk method

        if numerix.which[0] == "numarray":
            warnings.warn("_draw_mathtext() currently works for numpy, but not numarray")
            return

        if not HAVE_CAIRO_NUMPY:
            warnings.warn("cairo.numpy module required for _draw_mathtext()")
            return

        size = prop.get_size_in_points()
        width, height, fonts = math_parse_s_ft2font(
            s, self.dpi.get(), size)

        if angle==90:
            width, height = height, width
            x -= width
        y -= height

        imw, imh, s = fonts[0].image_as_str()
        N = imw*imh

        # a numpixels by num fonts array
        Xall = zeros((N,len(fonts)), typecode=UInt8)

        for i, font in enumerate(fonts):
            if angle == 90:
                font.horiz_image_to_vert_image() # <-- Rotate
            imw, imh, s = font.image_as_str()
            Xall[:,i] = fromstring(s, UInt8)  

        # get the max alpha at each pixel
        Xs = numerix.mlab.max(Xall,1)

        # convert it to it's proper shape
        Xs.shape = imh, imw

        pa = zeros(shape=(imh,imw,4), typecode=UInt8)
        rgb = gc.get_rgb()
        pa[:,:,0] = int(rgb[0]*255)
        pa[:,:,1] = int(rgb[1]*255)
        pa[:,:,2] = int(rgb[2]*255)
        pa[:,:,3] = Xs

        # works for numpy pa, not a numarray pa
        surface = cairo.numpy.surface_create_for_array(pa)
        gc.ctx.translate (x,y)
        gc.ctx.show_surface (surface, imw, imh)
Exemple #8
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    def _draw_mathtext(self, gc, x, y, s, prop, angle):
        size = prop.get_size_in_points()
        width, height, fonts = math_parse_s_ft2font(
            s, self.dpi.get(), size)

        if angle==90:
            width, height = height, width
            x -= width
        y -= height
        
        imw, imh, image_str = fonts[0].image_as_str()
        N = imw*imh

        # a numpixels by num fonts array
        Xall = zeros((N,len(fonts)), typecode=UInt8)

        for i, font in enumerate(fonts):
            if angle == 90:
                font.horiz_image_to_vert_image() # <-- Rotate
            imw, imh, image_str = font.image_as_str()
            Xall[:,i] = fromstring(image_str, UInt8)  

        # get the max alpha at each pixel
        Xs = numerix.mlab.max(Xall,1)

        # convert it to it's proper shape
        Xs.shape = imh, imw

        pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, has_alpha=True,
                                bits_per_sample=8, width=imw, height=imh)

        array = pixbuf_get_pixels_array(pixbuf)

        rgb = gc.get_rgb()
        array[:,:,0]=int(rgb[0]*255)
        array[:,:,1]=int(rgb[1]*255)
        array[:,:,2]=int(rgb[2]*255)
        array[:,:,3]=Xs

        try: # new in 2.2
            # can use None instead of gc.gdkGC, if don't need clipping
            self.gdkDrawable.draw_pixbuf (gc.gdkGC, pixbuf, 0, 0,
                                          int(x), int(y), imw, imh,
                                          gdk.RGB_DITHER_NONE, 0, 0)
        except AttributeError:
            # deprecated in 2.2
            pixbuf.render_to_drawable(self.gdkDrawable, gc.gdkGC, 0, 0,
                                  int(x), int(y), imw, imh,
                                  gdk.RGB_DITHER_NONE, 0, 0)
Exemple #9
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    def draw_mathtext(self, gc, x, y, s, prop, angle):

        size = prop.get_size_in_points()
        width, height, fonts = math_parse_s_ft2font(s, self.dpi.get(), size)

        if angle == 90:
            width, height = height, width
        x = int(x)
        y = int(y)

        rgb = gc.get_rgb()
        #rgba = (rgb[0], rgb[1], rgb[2], gc.get_alpha())

        imw, imh, s = fonts[0].image_as_str()
        N = imw * imh

        # a numpixels by num fonts array
        Xall = zeros((N, len(fonts)), typecode=UInt8)

        for i, font in enumerate(fonts):
            if angle == 90:
                font.horiz_image_to_vert_image()  # <-- Rotate
            imw, imh, s = font.image_as_str()
            Xall[:, i] = fromstring(s, UInt8)

        # get the max alpha at each pixel
        Xs = numerix.max(Xall, 1)

        # convert it to it's proper shape

        Xs.shape = imh, imw

        pb = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB,
                            has_alpha=1,
                            bits_per_sample=8,
                            width=imw,
                            height=imh)

        try:
            pa = pb.get_pixels_array()
        except AttributeError:
            pa = pb.pixel_array
        except RuntimeError, exc:  #  pygtk was not compiled with Numeric Python support
            print >> sys.stderr, 'Error:', exc
            return
Exemple #10
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    def _draw_mathtext(self, gc, x, y, s, prop, angle):
        size = prop.get_size_in_points()
        width, height, fonts = math_parse_s_ft2font(s, self.dpi.get(), size)

        if angle == 90:
            width, height = height, width
            x -= width
        y -= height

        imw, imh, s = fonts[0].image_as_str()
        N = imw * imh

        # a numpixels by num fonts array
        Xall = zeros((N, len(fonts)), typecode=UInt8)

        for i, font in enumerate(fonts):
            if angle == 90:
                font.horiz_image_to_vert_image()  # <-- Rotate
            imw, imh, s = font.image_as_str()
            Xall[:, i] = fromstring(s, UInt8)

        # get the max alpha at each pixel
        Xs = numerix.max(Xall, 1)

        # convert it to it's proper shape
        Xs.shape = imh, imw

        pb = gtk.gdk.Pixbuf(
            gtk.gdk.COLORSPACE_RGB,
            #has_alpha=1, bits_per_sample=8, width=imw, height=imh)
            has_alpha=True,
            bits_per_sample=8,
            width=imw,
            height=imh)

        try:
            pa = pb.get_pixels_array()
        except AttributeError:
            pa = pb.pixel_array
        except RuntimeError, exc:  #  'pygtk was not compiled with Numeric Python support'
            verbose.report_error('mathtext not supported: %s' % exc)
            return
Exemple #11
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def save_figure(ptr, base):
    filetypes = base.canvas.get_supported_filetypes()
    default_filetype = base.canvas.get_default_filetype()
    sorted_filetypes = filetypes.items()
    sorted_filetypes.sort()

    selected_filter = 0
    filters = []
    for i, (ext, name) in enumerate(sorted_filetypes):
        filter = '%s (*.%s)' % (name, ext)
        filters.append(filter)
        if ext == default_filetype:
            selected_filter = i
    filters = '\t'.join(filters)

    file_chooser = base._fc
    file_chooser.filter(filters)
    file_chooser.filter_value(selected_filter)
    file_chooser.show()
    while file_chooser.visible():
        Fltk.Fl.wait()
    fname = None
    if (file_chooser.count() and file_chooser.value(0) != None):
        fname = ""
        (status, fname) = Fltk.fl_filename_absolute(fname, 1024,
                                                    file_chooser.value(0))

    if fname is None:  # Cancel
        return
    #start from last directory
    lastDir = os.path.dirname(fname)
    file_chooser.directory(lastDir)
    format = sorted_filetypes[file_chooser.filter_value()][0]

    try:
        base.canvas.print_figure(fname, format=format)
    except IOError, msg:
        err = '\n'.join(map(str, msg))
        msg = 'Failed to save %s: Error msg was\n\n%s' % (fname, err)
        error_msg_fltk(msg)
Exemple #12
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def save_figure(ptr,base):
    filetypes = base.canvas.get_supported_filetypes()
    default_filetype = base.canvas.get_default_filetype()
    sorted_filetypes = filetypes.items()
    sorted_filetypes.sort()
    
    selected_filter = 0
    filters = []
    for i, (ext, name) in enumerate(sorted_filetypes):
        filter = '%s (*.%s)' % (name, ext)
        filters.append(filter)
        if ext == default_filetype:
            selected_filter = i
    filters = '\t'.join(filters)

    file_chooser=base._fc
    file_chooser.filter(filters)
    file_chooser.filter_value(selected_filter)
    file_chooser.show()
    while file_chooser.visible() :
        Fltk.Fl.wait()
    fname=None
    if(file_chooser.count() and file_chooser.value(0) != None):
        fname=""
        (status,fname)=Fltk.fl_filename_absolute(fname, 1024, file_chooser.value(0))

    if fname is None: # Cancel
        return
    #start from last directory
    lastDir = os.path.dirname(fname)
    file_chooser.directory(lastDir)
    format = sorted_filetypes[file_chooser.filter_value()][0]
    
    try:
        base.canvas.print_figure(fname, format=format)
    except IOError, msg:
        err = '\n'.join(map(str, msg))
        msg = 'Failed to save %s: Error msg was\n\n%s' % (
            fname, err)
        error_msg_fltk(msg)
Exemple #13
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    def _draw_mathtext(self, gc, x, y, s, prop, angle):
        size = prop.get_size_in_points()
        width, height, fonts = math_parse_s_ft2font(
            s, self.dpi.get(), size)

        if angle==90:
            width, height = height, width
            x -= width
        y -= height
        
        imw, imh, s = fonts[0].image_as_str()
        N = imw*imh

        # a numpixels by num fonts array
        Xall = zeros((N,len(fonts)), typecode=UInt8)

        for i, font in enumerate(fonts):
            if angle == 90:
                font.horiz_image_to_vert_image() # <-- Rotate
            imw, imh, s = font.image_as_str()
            Xall[:,i] = fromstring(s, UInt8)  

        # get the max alpha at each pixel
        Xs = numerix.mlab.max(Xall,1)

        # convert it to it's proper shape
        Xs.shape = imh, imw

        pb=gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB,
                          #has_alpha=1, bits_per_sample=8, width=imw, height=imh)
                          has_alpha=True, bits_per_sample=8, width=imw, height=imh)

        try:
            pa = pb.get_pixels_array()
        except AttributeError:
            pa = pb.pixel_array
        except RuntimeError, exc: #  'pygtk was not compiled with Numeric Python support'
            verbose.report_error('mathtext not supported: %s' % exc)
            return        
Exemple #14
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class DialogLineprops:
    """
    A GUI dialog for controlling lineprops
    """
    signals = (
        'on_combobox_lineprops_changed',
        'on_combobox_linestyle_changed',
        'on_combobox_marker_changed',
        'on_colorbutton_linestyle_color_set',
        'on_colorbutton_markerface_color_set',
        'on_dialog_lineprops_okbutton_clicked',
        'on_dialog_lineprops_cancelbutton_clicked',
    )

    linestyles = (
        '-',
        '--',
        '-.',
        ',',
        'steps',
        'None',
    )

    linestyled = dict([(s, i) for i, s in enumerate(linestyles)])

    markers = (
        'None',
        '.',
        ',',
        'o',
        'v',
        '^',
        '<',
        '>',
        '1',
        '2',
        '3',
        '4',
        's',
        'p',
        'h',
        'H',
        '+',
        'x',
        'D',
        'd',
        '|',
        '_',
    )

    markerd = dict([(s, i) for i, s in enumerate(markers)])

    def __init__(self, lines):

        datadir = matplotlib.get_data_path()
        gladefile = os.path.join(datadir, 'lineprops.glade')
        if not os.path.exists(gladefile):
            raise IOError('Could not find gladefile lineprops.glade in %s' %
                          datadir)

        self._inited = False
        self._updateson = True  # suppress updates when setting widgets manually
        self.wtree = gtk.glade.XML(gladefile, 'dialog_lineprops')
        self.wtree.signal_autoconnect(
            dict([(s, getattr(self, s)) for s in self.signals]))

        self.dlg = self.wtree.get_widget('dialog_lineprops')

        self.lines = lines

        cbox = self.wtree.get_widget('combobox_lineprops')
        cbox.set_active(0)
        self.cbox_lineprops = cbox

        cbox = self.wtree.get_widget('combobox_linestyles')
        for ls in self.linestyles:
            cbox.append_text(ls)
        cbox.set_active(0)
        self.cbox_linestyles = cbox

        cbox = self.wtree.get_widget('combobox_markers')
        for m in self.markers:
            cbox.append_text(m)
        cbox.set_active(0)
        self.cbox_markers = cbox
        self._lastcnt = 0
        self._inited = True

    def show(self):
        'populate the combo box'
        self._updateson = False
        # flush the old
        cbox = self.cbox_lineprops
        for i in range(self._lastcnt - 1, -1, -1):
            cbox.remove_text(i)

        # add the new
        for line in self.lines:
            cbox.append_text(line.get_label())
        cbox.set_active(0)

        self._updateson = True
        self._lastcnt = len(self.lines)
        self.dlg.show()

    def get_active_line(self):
        'get the active line'
        ind = self.cbox_lineprops.get_active()
        line = self.lines[ind]
        return line

    def get_active_linestyle(self):
        'get the active lineinestyle'
        ind = self.cbox_linestyles.get_active()
        ls = self.linestyles[ind]
        return ls

    def get_active_marker(self):
        'get the active lineinestyle'
        ind = self.cbox_markers.get_active()
        m = self.markers[ind]
        return m

    def _update(self):
        'update the active line props from the widgets'
        if not self._inited or not self._updateson: return
        line = self.get_active_line()
        ls = self.get_active_linestyle()
        marker = self.get_active_marker()
        line.set_linestyle(ls)
        line.set_marker(marker)

        button = self.wtree.get_widget('colorbutton_linestyle')
        color = button.get_color()
        r, g, b = [val / 65535. for val in color.red, color.green, color.blue]
        line.set_color((r, g, b))

        button = self.wtree.get_widget('colorbutton_markerface')
        color = button.get_color()
        r, g, b = [val / 65535. for val in color.red, color.green, color.blue]
        line.set_markerfacecolor((r, g, b))

        line.figure.canvas.draw()

    def on_combobox_lineprops_changed(self, item):
        'update the widgets from the active line'
        if not self._inited: return
        self._updateson = False
        line = self.get_active_line()

        ls = line.get_linestyle()
        if ls is None: ls = 'None'
        self.cbox_linestyles.set_active(self.linestyled[ls])

        marker = line.get_marker()
        if marker is None: marker = 'None'
        self.cbox_markers.set_active(self.markerd[marker])

        r, g, b = colorConverter.to_rgb(line.get_color())
        color = gtk.gdk.Color(*[int(val * 65535) for val in r, g, b])
        button = self.wtree.get_widget('colorbutton_linestyle')
        button.set_color(color)

        r, g, b = colorConverter.to_rgb(line.get_markerfacecolor())
        color = gtk.gdk.Color(*[int(val * 65535) for val in r, g, b])
        button = self.wtree.get_widget('colorbutton_markerface')
        button.set_color(color)
        self._updateson = True

    def on_combobox_linestyle_changed(self, item):
        self._update()

    def on_combobox_marker_changed(self, item):
        self._update()

    def on_colorbutton_linestyle_color_set(self, button):
        self._update()

    def on_colorbutton_markerface_color_set(self, button):
        'called colorbutton marker clicked'
        self._update()

    def on_dialog_lineprops_okbutton_clicked(self, button):
        self._update()
        self.dlg.hide()

    def on_dialog_lineprops_cancelbutton_clicked(self, button):
        self.dlg.hide()