Ejemplo n.º 1
0
    def draw_image(self, x, y, im, origin, bbox):
        if bbox != None:
            l,b,w,h = bbox.get_bounds()
            #rectangle = (int(l), self.height-int(b+h),
            #             int(w), int(h))
            # set clip rect?

        flipud = origin=='lower'
        rows, cols, image_str = im.as_str(flipud)

        image_array = fromstring(image_str, UInt8)
        image_array.shape = rows, cols, 4

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

        array = pixbuf_get_pixels_array(pixbuf)
        array[:,:,:] = image_array

        gc = self.new_gc()

        if flipud:
            y = self.height-y-rows

        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), cols, rows,
                                          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), cols, rows,
                                  gdk.RGB_DITHER_NONE, 0, 0)
Ejemplo n.º 2
0
    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)
Ejemplo n.º 3
0
    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)
Ejemplo n.º 4
0
    def draw_image(self, x, y, im, origin, bbox):
        if bbox != None:
            l, b, w, h = bbox.get_bounds()
            #rectangle = (int(l), self.height-int(b+h),
            #             int(w), int(h))
            # set clip rect?

        flipud = origin == 'lower'
        rows, cols, image_str = im.as_str(flipud)

        image_array = fromstring(image_str, UInt8)
        image_array.shape = rows, cols, 4

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

        array = pixbuf_get_pixels_array(pixbuf)
        array[:, :, :] = image_array

        gc = self.new_gc()

        if flipud:
            y = self.height - y - rows

        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), cols, rows,
                                         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), cols, rows, gdk.RGB_DITHER_NONE,
                                      0, 0)