Exemple #1
0
    def paint_foreground(self, ctx: Context):
        if self.border_corner:
            draw_rounded_rectangle(ctx, Rectangle(ZERO_TOP_LEFT, self.size), self.border_corner)
            ctx.clip()

        self.paint_scale_background(ctx)

        if self.values:
            pos = 0.0
            for value in self.values:
                l_pos = pos
                pos += value[0] / self._total
                if value[1]:
                    ctx.set_source_rgba(*value[1])
                    if self.orientation == BarWidget.Orientation.HORIZONTAL_LEFT_TO_RIGHT:
                        ctx.rectangle(l_pos * self.width, 0, (pos - l_pos) * self.width, self.height)
                    elif self.orientation == BarWidget.Orientation.HORIZONTAL_RIGHT_TO_LEFT:
                        ctx.rectangle(self.width - l_pos * self.width, 0, self.width - (l_pos - pos) * self.width,
                                      self.height)
                    elif self.orientation == BarWidget.Orientation.VERTICAL_DOWN:
                        ctx.rectangle(0, l_pos * self.height, self.width, (pos - l_pos) * self.height)
                    elif self.orientation == BarWidget.Orientation.VERTICAL_UP:
                        ctx.rectangle(0, self.height - l_pos * self.height, self.width, (l_pos - pos) * self.height)
                    ctx.fill()

        self.paint_scale_foreground(ctx)

        if self.border:
            ctx.set_source_rgba(*self.border)
            ctx.set_line_width(self.border_width)
            draw_rounded_rectangle(ctx, Rectangle(ZERO_TOP_LEFT, self.size), self.border_corner)
            ctx.stroke()
    def draw(self, ctx: Context, square: bool) -> None:
        point_diameter_current = self.point_diameter_initial

        ctx.set_source_rgb(self.color[0], self.color[1], self.color[2])

        points_per_row = math.floor(self.target_width / self.point_margin)
        i = 0

        while ((self.point_diameter_check_is_greater
                and point_diameter_current > self.point_diameter_final)
               or (not self.point_diameter_check_is_greater
                   and point_diameter_current < self.point_diameter_final)):

            col = i % points_per_row
            row = math.floor(i / points_per_row)
            x = self.position[
                0] + col * self.point_margin + self.point_margin / 2
            y = self.position[
                1] + row * self.point_margin + self.point_margin / 2

            radius = point_diameter_current / 2

            if square:
                ctx.move_to(x - radius, y - radius)
                ctx.line_to(x + radius, y - radius)
                ctx.line_to(x + radius, y + radius)
                ctx.line_to(x - radius, y + radius)
                ctx.fill()
            else:
                ctx.arc(x, y, radius, 0, 2 * math.pi)
                ctx.fill()

            i += 1
            point_diameter_current += self.point_diameter_delta
    def draw(self, ctx: Context, polygon: bool) -> None:
        line_width_current = self.line_width_initial

        ctx.set_source_rgb(self.color[0], self.color[1], self.color[2])

        x_start = self.position[0]
        x_end = x_start + self.target_width
        y = self.position[1]

        while ((self.line_width_check_is_greater
                and line_width_current > self.line_width_final)
               or (not self.line_width_check_is_greater
                   and line_width_current < self.line_width_final)):
            ctx.set_line_width(line_width_current)
            y += line_width_current / 2

            if polygon:
                ctx.move_to(x_start, y - line_width_current / 2)
                ctx.line_to(x_end, y - line_width_current / 2)
                ctx.line_to(x_end, y + line_width_current / 2)
                ctx.line_to(x_start, y + line_width_current / 2)
                ctx.fill()
            else:
                ctx.move_to(x_start, y)
                ctx.line_to(x_end, y)
                ctx.stroke()

            # Add the white space
            y += line_width_current

            # prepare next line width
            y += line_width_current / 2
            line_width_current += self.line_width_delta
 def _draw_fill(self, ctx: Context, geom: Union[Polygon, MultiPolygon]):
     if isinstance(geom, MultiPolygon):
         for sub_geom in geom.geoms:
             self._draw_fill(ctx, sub_geom)
         return
     CairoHelper.draw_polygon(ctx, geom)
     ctx.fill()
Exemple #5
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 def draw(self, context: cairo.Context, x: float, y: float, fxy: FixXY):
     if debug:
         context.set_source_rgb(1 if self.no_page_break else 0, 0, 0)
         context.rectangle(*fxy(x - 5, y), *fxy(2, 16))
         context.fill()
         context.set_source_rgb(0.5, 0.5, 0.5)
         context.rectangle(*fxy(self.indent + x, y),
                           *fxy(self.width, self.height))
         context.stroke()
Exemple #6
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    def draw_background(self, g: Graphics, component: T, color: RGBA) -> None:
        area = component.bounds

        if area.width == 0 or area.height == 0:
            return

        g.set_source_rgba(color.r, color.g, color.b, color.a)

        self.draw_rect(g, area, 8)

        g.fill()
    def draw(self, ctx: Context):

        text_baseline = self.get_text_baseline(ctx)

        default_font_max_height = ctx.get_scaled_font().extents()[0]

        text_max_length = float('inf')
        line_string_bottom_length = text_baseline.length

        trimmed = False
        while text_max_length > line_string_bottom_length:
            text_max_length = ctx.text_extents(self.text)[4] / default_font_max_height * self.text_height + \
                              (len(self.text)-1) * self.text_spacing
            if text_max_length > line_string_bottom_length:
                self.text = self.text[:-1].strip()
                trimmed = True

        text_start_interp_pos_min = 0
        text_start_interp_pos_max = line_string_bottom_length - text_max_length
        if self.text_alignment == 'left':
            text_start_interp_pos = self.text_alignment_offset
        elif self.text_alignment == 'center':
            text_start_interp_pos = line_string_bottom_length / 2 - text_max_length / 2 - self.text_alignment_offset
        else:
            text_start_interp_pos = line_string_bottom_length - text_max_length - self.text_alignment_offset
        text_start_interp_pos = min(
            text_start_interp_pos_max,
            max(text_start_interp_pos_min, text_start_interp_pos))

        text_interp_pos = text_start_interp_pos
        for char in self.text:
            char_pos_origin = text_baseline.interpolate(text_interp_pos)
            char_advance_x = ctx.text_extents(
                char)[4] / default_font_max_height * self.text_height
            char_pos_end = text_baseline.interpolate(text_interp_pos +
                                                     char_advance_x)

            ctx.save()
            ctx.translate(char_pos_origin.x, char_pos_origin.y)
            text_angle = math.atan2(char_pos_end.y - char_pos_origin.y,
                                    char_pos_end.x - char_pos_origin.x)
            ctx.rotate(text_angle)
            ctx.scale(1 / default_font_max_height * self.text_height)
            if not trimmed:
                ctx.set_source_rgba(0, 0, 0, 1)
            else:
                ctx.set_source_rgba(0, 0, 0.2, 1)
            ctx.show_text(char)
            ctx.fill()
            ctx.restore()

            text_interp_pos += char_advance_x + self.text_spacing
Exemple #8
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    def draw(self, ctx: Context):

        if not self.canvas_set:
            raise Exception("Canvas size not set!")

        top_left = (0, 0)
        top_right = (self.canvas_width, 0)
        bottom_left = (0, self.canvas_height)
        bottom_right = (self.canvas_width, self.canvas_height)

        canvas = Polygon(
            [top_left, top_right, bottom_right, bottom_left, top_left])

        ctx.set_source_rgba(*self.color)
        CairoHelper.draw_polygon(ctx, canvas)
        ctx.fill()
 def _draw_grass_area(self, ctx: Context, outline: Polygon):
         tags = outline.get_osm_tags()
         if 'leisure' in tags and tags['leisure'] == 'park':
             ctx.set_source_rgba(0, 0, 0, 0.03)
         elif 'leisure' in tags and tags['leisure'] == 'garden':
             ctx.set_source_rgba(0, 0, 0, 0.1)
         elif 'leisure' in tags and tags['leisure'] == 'common':
             ctx.set_source_rgba(0, 0, 0, 0.03)
         elif 'leisure' in tags and tags['leisure'] == 'recreation_ground':
             ctx.set_source_rgba(0, 0, 0, 0.03)
         elif 'landuse' in tags and tags['landuse'] == 'grass':
             ctx.set_source_rgba(0, 0, 0, 0.03)
         elif 'landuse' in tags and tags['landuse'] == 'forest':
             ctx.set_source_rgba(0, 0, 0, 0.03)
         elif 'natural' in tags and tags['natural'] == 'wood':
             ctx.set_source_rgba(0, 0, 0, 0.03)
         CairoHelper.draw_polygon(ctx, outline)
         ctx.fill()
Exemple #10
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def _show_layout_line_logical_extents(
        context: cairocffi.Context,
        layout: pangocffi.Layout
):
    layout_iter = layout.get_iter()
    context.set_line_width(0.5)
    context.set_dash([1, 1])
    alternate = True
    while True:
        alternate = not alternate
        extents = layout_iter.get_line_extents()
        context.set_source_rgba(0, 0, 1 if alternate else 0.5, 0.9)
        _rectangle_path(context, extents[1])
        context.stroke()
        _coordinate_path(context, (extents[1].x, extents[1].y))
        context.fill()

        if not layout_iter.next_run():
            break
    def __draw_sector (self: 'HueSatWheelWidget', cr: cairocffi.Context,
                       center_x: float, center_y: float) -> None:
        cr.save ()
        cr.set_line_width (1)

        offset = self.rotation

        for idx, sector in enumerate (self.sector[0]):
            half_angle = 2 * numpy.pi * sector / 2
            offset += self.sector[1][idx] * 2 * numpy.pi
            cr.set_source_rgba (0, 0, 0, 1)
            cr.move_to (center_x, center_y)
            cr.arc (center_x, center_y, (self.size - 2) / 2.,
                    offset - half_angle, half_angle + offset)
            cr.line_to (center_x, center_y)
            cr.stroke_preserve ()
            cr.set_source_rgba (0, 0, 0, 0.25)
            cr.fill ()

        cr.restore ()
Exemple #12
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def make_train_spaces(ctx: cairo.Context,
                      train: trains.Train,
                      broken_spaces: Sequence = None,
                      frac: float = 1 / 4):
    spaces, brokens = break_spaces(train.spaces, broken_spaces)

    ctx.save()

    radius = train.interfaces[
        0].radius  # if len(self.interfaces) > 0 else self.spaces[0]
    y_next = 0
    xys_last = np.asarray([[-radius, 0], [radius, 0]])
    n = train.interfaces[0].n1
    for space, next_interface, broken in zip(spaces,
                                             train.interfaces + (None, ),
                                             brokens):
        ctx.set_source_rgba(*index_colors.get(n.name, (0, 0, 1, 1)))

        y_next += space

        # Generate next interface points.
        if next_interface is None:
            xys_next = np.asarray([[-radius, 0], [radius, 0]])
        else:
            xys_next = next_interface.get_points()

        xys_next += [0, y_next]
        if broken:
            num = 8
            n = np.arange(num + 1)
            jagged = np.c_[2 * (n / num - 0.5) * radius,
                           (n % 2) * space * frac + y_next - space / 2]

            xys = np.r_[xys_last, jagged[::-1, :] - (0, space * frac)]
            draw_polyline(ctx, xys)
            ctx.fill()

            xys = np.r_[jagged, xys_next[::-1, :]]
            draw_polyline(ctx, xys)
            ctx.fill()
        else:
            xys = np.r_[xys_last, xys_next[::-1, :]]
            draw_polyline(ctx, xys)
            ctx.fill()

        xys_last = xys_next
        if next_interface is not None:
            n = next_interface.n2
    ctx.restore()
Exemple #13
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 def draw_point(ctx: Context, point: Point, size):
     ctx.arc(point.x, point.y, size / 2, 0, 2 * 3.1416)
     ctx.fill()
 def _draw_water_area(self, ctx: Context, outline: Union[Polygon, MultiPolygon]):
     CairoHelper.draw_polygon(ctx, outline)
     ctx.fill()
Exemple #15
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 def _draw_fill(self, ctx: Context, geom: Point):
     CairoHelper.draw_circle(ctx, geom, self.size)
     ctx.fill()
Exemple #16
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 def draw(self, context: cairo.Context, x: float, y: float, fxy: FixXY):
     super().draw(context, x, y, fxy)
     if debug:
         context.set_source_rgb(1 if self.no_page_break else 0, 0, 0)
         context.rectangle(*fxy(x, y), *fxy(10, 10))
         context.fill()
Exemple #17
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 def paint_background(self, ctx: Context):
     """
     Renders the background of this widget. Is called by Widget.paint.
     """
     ctx.rectangle(0, 0, *self.size)
     ctx.fill()
Exemple #18
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    base_labels = board_info["variants"]["_base"]

    for variant_name, variant_info in board_info["variants"].items():
        if variant_name.startswith("_"):
            # skip "_base"
            continue

        # create canvas
        w_p = int(w * (1 + 2 * pad_sides))
        canvas = ImageSurface(bg.get_format(), w_p, h)
        ctx = Context(canvas)

        ctx.set_source_rgb(1, 1, 1)
        ctx.rectangle(0, 0, w_p, h)
        ctx.fill()

        ctx.set_source_surface(bg, (w_p - w) // 2, -h_bg * y_offset)
        ctx.rectangle((w_p - w) // 2, 0, w, h_bg)
        ctx.fill()

        # make B&W

        ctx.set_source_rgb(0.5, 0.5, 0.5)
        ctx.set_operator(OPERATOR_HSL_SATURATION)
        ctx.rectangle(0, 0, w_p, h)
        ctx.fill()

        if True:
            canvas.write_to_png(f"{board_name}_bg.png")
            canvas = None
    def __draw_ring (self: 'HueSatWheelWidget', cr: cairocffi.Context,
                     width: int, height: int, center_x: float, center_y: float,
                     outer: float, inner: float) -> None:
        self.__redraw = False
        stride = cairocffi.ImageSurface.format_stride_for_width (cairocffi.FORMAT_ARGB32, width)
        buf = numpy.empty (int (height * stride), dtype = numpy.uint8)

        for y in range (height):
            idx = y * width * 4

            dy = -(y - center_y)

            for x in range (width):
                dx = x - center_x

                dist = dx * dx + dy * dy

                angle = math.atan2 (dy, dx)

                if angle < 0:
                    angle += 2 * numpy.pi

                hue = angle / (2 * numpy.pi)

                hue_idx = int ((angle + 2 * numpy.pi / 3) / (2 * numpy.pi) * 255)
                hue_idx = hue_idx % 256

                if dist < ((inner - 1) ** 2) * (1 - self.__hist[255 - hue_idx]) or \
                   dist > ((outer + 1) ** 2):
                    buf[idx + 0] = 0
                    buf[idx + 1] = 0
                    buf[idx + 2] = 0
                    buf[idx + 3] = 0
                    idx += 4
                    continue

                r, g, b = colorsys.hsv_to_rgb (hue, 1.0, 1.0)
                a = 255

                buf[idx + 0] = int (math.floor (r * 255 + 0.5))
                buf[idx + 1] = int (math.floor (g * 255 + 0.5))
                buf[idx + 2] = int (math.floor (b * 255 + 0.5))
                buf[idx + 3] = a
                idx += 4

        source = cairocffi.ImageSurface.create_for_data (
            memoryview (buf), cairocffi.FORMAT_ARGB32, width, height, stride
        )

        fg_color = self.get_style_context ().get_color (Gtk.StateFlags.NORMAL)

        cr.save ()

        cr.set_source_rgba (0, 0, 0, 0)
        cr.paint ()

        cr.set_source_surface (source, 0, 0)
        cr.paint ()

        cr.set_line_width (1)
        cr.new_path ()
        cr.set_source_rgba (*list (fg_color))

        cr.arc (center_x, center_y, (self.size - 4) / 2. - self.ring_width,
                0, 2 * numpy.pi)
        cr.stroke ()

        cr.arc (center_x, center_y, (self.size - 2) / 2, 0, 2 * numpy.pi)
        cr.stroke ()

        cr.arc (center_x, center_y, 5, 0, 2 * numpy.pi)
        cr.fill ()

        cr.restore ()
Exemple #20
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    def draw(self, ctx: Context):

        if not self.canvas_set or not self.margin_set or not self.legend_set:
            raise Exception("Canvas, margin or legend not set!")

        margin_exterior_top_left = (0, 0)
        margin_exterior_top_right = (self.canvas_width, 0)
        margin_exterior_bottom_left = (0, self.canvas_height)
        margin_exterior_bottom_right = (self.canvas_width, self.canvas_height)
        legend_exterior_top_left = (self.margin_left, self.margin_top)
        legend_exterior_top_right = (self.canvas_width - self.margin_right,
                                     self.margin_top)
        legend_exterior_bottom_left = (self.margin_left,
                                       self.canvas_height - self.margin_bottom)
        legend_exterior_bottom_right = (self.canvas_width - self.margin_right,
                                        self.canvas_height -
                                        self.margin_bottom)
        legend_interior_top_left = (self.margin_left + self.legend_left,
                                    self.margin_top + self.legend_top)
        legend_interior_top_right = (self.canvas_width - self.margin_right -
                                     self.legend_right,
                                     self.margin_top + self.legend_top)
        legend_interior_bottom_left = (self.margin_left + self.legend_left,
                                       self.canvas_height -
                                       self.margin_bottom - self.legend_bottom)
        legend_interior_bottom_right = (self.canvas_width - self.margin_right -
                                        self.legend_right, self.canvas_height -
                                        self.margin_bottom -
                                        self.legend_bottom)

        margin_and_legend = Polygon([
            margin_exterior_top_left, margin_exterior_top_right,
            margin_exterior_bottom_right, margin_exterior_bottom_left,
            margin_exterior_top_left
        ], [
            list(
                reversed([
                    legend_interior_top_left, legend_interior_top_right,
                    legend_interior_bottom_right, legend_interior_bottom_left,
                    legend_interior_top_left
                ]))
        ])

        legend_exterior = Polygon([
            legend_exterior_top_left, legend_exterior_top_right,
            legend_exterior_bottom_right, legend_exterior_bottom_left,
            legend_exterior_top_left
        ])

        legend_interior = Polygon([
            legend_exterior_top_left, legend_exterior_top_right,
            legend_exterior_bottom_right, legend_exterior_bottom_left,
            legend_exterior_top_left
        ], [
            list(
                reversed([
                    legend_interior_top_left, legend_interior_top_right,
                    legend_interior_bottom_right, legend_interior_bottom_left,
                    legend_interior_top_left
                ]))
        ])

        ctx.set_line_width(0.05)

        ctx.set_source_rgb(1, 1, 1)
        CairoHelper.draw_polygon(ctx, margin_and_legend)
        ctx.fill()

        # ctx.set_line_width(self.exterior_stroke_width)
        ctx.set_source_rgb(0, 0, 0)
        CairoHelper.draw_polygon(ctx, legend_exterior)
        ctx.stroke()
        # ctx.set_line_width(self.interior_stroke_width)
        CairoHelper.draw_polygon(ctx, legend_interior)
        ctx.stroke()