コード例 #1
0
ファイル: pixelmap.py プロジェクト: robmcmullen/omnivore
    def draw_grid(self, grid_control, dc, first_row, visible_rows, first_cell, visible_cells):
        t = grid_control.table
        t.prepare_for_drawing(first_row, visible_rows, first_cell, visible_cells)
        last_cell = min(first_cell + visible_cells, self.num_cells)
        last_row = min(first_row + visible_rows, t.num_rows)
        log.debug("draw_grid: rows:%d,%d (vis %d, num %d) cols:%d,%d" % (first_row, last_row, visible_rows, t.num_rows, first_cell, last_cell))

        ul_rect = self.col_to_rect(first_row, first_cell)
        lr_rect = self.col_to_rect(last_row - 1, last_cell - 1)
        frame_rect = wx.Rect(ul_rect.x, ul_rect.y, lr_rect.x - ul_rect.x + lr_rect.width, lr_rect.y - ul_rect.y + lr_rect.height)
        dc.SetClippingRegion(frame_rect)
 
        pixels, style = t.current_rectangle
        pixels = pixels[:,first_cell:last_cell]
        style = style[:,first_cell:last_cell]
        array = px.calc_rgb_from_color_indexes(pixels, style, grid_control.color_list_rgb, grid_control.empty_color_rgb)
        width = array.shape[1]
        height = array.shape[0]
        print(f"array: {array.shape}")
        if width > 0 and height > 0:
            array = intscale(array, grid_control.zoom_h, grid_control.zoom_w)
                #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
            image = wx.Image(array.shape[1], array.shape[0])
            image.SetData(array.tobytes())
            bmp = wx.Bitmap(image)
            dc.DrawBitmap(bmp, frame_rect.x, frame_rect.y)
コード例 #2
0
    def draw_grid(self, grid_control, dc, first_row, visible_rows, first_cell, visible_cells):
        model = grid_control.model
        first_col = self.cell_to_col(first_row, first_cell)
        last_cell = min(first_cell + visible_cells, self.num_cells)
        last_row = min(first_row + visible_rows, model.antic_lines)
        last_col = self.cell_to_col(last_row, last_cell - 1) + 1
        drawlog.debug("draw_grid: rows:%d,%d, cols:%d,%d" % (first_row, last_row, first_col, last_col))

        ul_rect = self.col_to_rect(first_row, first_col)
        lr_rect = self.col_to_rect(last_row - 1, last_col - 1)
        frame_rect = wx.Rect(ul_rect.x, ul_rect.y, lr_rect.x - ul_rect.x + lr_rect.width, lr_rect.y - ul_rect.y + lr_rect.height)

        bytes_per_row = model.items_per_row
        first_index = first_row * bytes_per_row
        last_index = last_row * bytes_per_row
        data = model.data[first_index:last_index]
        style = model.style[first_index:last_index]
        drawlog.debug("draw_grid: first_index:%d last_index:%d" % (first_index, last_index))

        array = grid_control.bitmap_renderer.get_image(grid_control.segment_viewer, bytes_per_row, last_row - first_row, last_index - first_index, data, style)
        width = array.shape[1]
        height = array.shape[0]
        drawlog.debug("Calculated image: %dx%d" % (width, height))
        if width > 0 and height > 0:
            # image returned will have the correct number of rows but will be
            # 160 pixels wide; need to crop to visible columns
            cropped = array[:,first_col:last_col,:]
            array = intscale(cropped, grid_control.zoom_h, grid_control.zoom_w)
            #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
            image = wx.Image(array.shape[1], array.shape[0])
            image.SetData(array.tobytes())
            bmp = wx.Bitmap(image)
            dc.SetClippingRegion(frame_rect)
            dc.DrawBitmap(bmp, frame_rect.x, frame_rect.y)
コード例 #3
0
ファイル: pixelmap.py プロジェクト: TikiBill/omnivore
    def draw_grid(self, grid_control, dc, first_row, visible_rows, first_cell,
                  visible_cells):
        t = grid_control.table
        t.prepare_for_drawing(first_row, visible_rows, first_cell,
                              visible_cells)
        last_cell = min(first_cell + visible_cells, self.num_cells)
        last_row = min(first_row + visible_rows, t.num_rows)
        log.debug("draw_grid: rows:%d,%d (vis %d, num %d) cols:%d,%d" %
                  (first_row, last_row, visible_rows, t.num_rows, first_cell,
                   last_cell))

        ul_rect = self.col_to_rect(first_row, first_cell)
        lr_rect = self.col_to_rect(last_row - 1, last_cell - 1)
        frame_rect = wx.Rect(ul_rect.x, ul_rect.y,
                             lr_rect.x - ul_rect.x + lr_rect.width,
                             lr_rect.y - ul_rect.y + lr_rect.height)
        dc.SetClippingRegion(frame_rect)

        pixels, style = t.current_rectangle
        pixels = pixels[:, first_cell:last_cell]
        style = style[:, first_cell:last_cell]
        array = px.calc_rgb_from_color_indexes(pixels, style,
                                               grid_control.color_list_rgb,
                                               grid_control.empty_color_rgb)
        width = array.shape[1]
        height = array.shape[0]
        print(f"array: {array.shape}")
        if width > 0 and height > 0:
            array = intscale(array, grid_control.zoom_h, grid_control.zoom_w)
            #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
            image = wx.Image(array.shape[1], array.shape[0])
            image.SetData(array.tobytes())
            bmp = wx.Bitmap(image)
            dc.DrawBitmap(bmp, frame_rect.x, frame_rect.y)
コード例 #4
0
ファイル: jumpman.py プロジェクト: robmcmullen/omnivore
    def draw_grid(self, grid_control, dc, first_row, visible_rows, first_cell, visible_cells):
        model = grid_control.model
        first_col = self.cell_to_col(first_row, first_cell)
        last_cell = min(first_cell + visible_cells, self.num_cells)
        last_row = min(first_row + visible_rows, model.antic_lines)
        last_col = self.cell_to_col(last_row, last_cell - 1) + 1
        drawlog.debug("draw_grid: rows:%d,%d, cols:%d,%d" % (first_row, last_row, first_col, last_col))

        ul_rect = self.col_to_rect(first_row, first_col)
        lr_rect = self.col_to_rect(last_row - 1, last_col - 1)
        frame_rect = wx.Rect(ul_rect.x, ul_rect.y, lr_rect.x - ul_rect.x + lr_rect.width, lr_rect.y - ul_rect.y + lr_rect.height)

        bytes_per_row = model.items_per_row
        first_index = first_row * bytes_per_row
        last_index = last_row * bytes_per_row
        data = model.data[first_index:last_index]
        style = model.style[first_index:last_index]
        drawlog.debug("draw_grid: first_index:%d last_index:%d" % (first_index, last_index))

        array = grid_control.bitmap_renderer.get_image(grid_control.segment_viewer, bytes_per_row, last_row - first_row, last_index - first_index, data, style)
        width = array.shape[1]
        height = array.shape[0]
        drawlog.debug("Calculated image: %dx%d" % (width, height))
        if width > 0 and height > 0:
            # image returned will have the correct number of rows but will be
            # 160 pixels wide; need to crop to visible columns
            cropped = array[:,first_col:last_col,:]
            array = intscale(cropped, grid_control.zoom_h, grid_control.zoom_w)
            #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
            image = wx.Image(array.shape[1], array.shape[0])
            image.SetData(array.tobytes())
            bmp = wx.Bitmap(image)
            dc.SetClippingRegion(frame_rect)
            dc.DrawBitmap(bmp, frame_rect.x, frame_rect.y)
コード例 #5
0
 def reshape(self, bitimage, bytes_per_row, nr):
     # source array 'bitimage' in the shape of (size, w, 3)
     h, w, colors = bitimage.shape
     # create a new image with pixels in the correct aspect ratio
     output = bitimage.reshape((nr, self.pixels_per_byte * bytes_per_row, 3))
     output = intscale(output, self.scale_height, self.scale_width)
     log.debug("bitimage: %d,%d,%d; ppb=%d bpr=%d, output=%s" % (h, w, colors, self.pixels_per_byte * self.scale_width, bytes_per_row, str(output.shape)))
     return output
コード例 #6
0
 def reshape(self, bitimage, bytes_per_row, nr):
     # source array 'bitimage' in the shape of (size, w, 3)
     h, w, colors = bitimage.shape
     # create a new image with pixels in the correct aspect ratio
     output = bitimage.reshape((nr, self.pixels_per_byte * bytes_per_row, 3))
     output = intscale(output, self.scale_height, self.scale_width)
     log.debug("bitimage: %d,%d,%d; ppb=%d bpr=%d, output=%s" % (h, w, colors, self.pixels_per_byte * self.scale_width, bytes_per_row, str(output.shape)))
     return output
コード例 #7
0
ファイル: bitmap.py プロジェクト: robmcmullen/omnivore
 def draw_item(self, grid_control, dc, rect, data, style):
     start = 0
     end = len(data)
     nr = 1
     array = grid_control.bitmap_renderer.get_image(grid_control.segment_viewer, end, nr, end, data, style)
     width = array.shape[1]
     height = array.shape[0]
     if width > 0 and height > 0:
         array = intscale(array, grid_control.zoom_h * grid_control.scale_height, grid_control.zoom_w * grid_control.scale_width)
         #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
         image = wx.Image(array.shape[1], array.shape[0])
         image.SetData(array.tobytes())
         bmp = wx.Bitmap(image)
         dc.DrawBitmap(bmp, rect.x, rect.y)
コード例 #8
0
ファイル: char.py プロジェクト: robmcmullen/omnivore
 def draw_item(self, parent, dc, rect, data, style):
     start = 0
     end = len(data)
     nr = 1
     data = data.reshape((nr, -1))
     style = style.reshape((nr, -1))
     v = parent.segment_viewer
     array = parent.font_renderer.get_image(v, v.antic_font, data, style, start, end, end, nr, start, end)
     width = array.shape[1]
     height = array.shape[0]
     if width > 0 and height > 0:
         array = intscale(array, parent.zoom_h, parent.zoom_w)
         image = wx.Image(array.shape[1], array.shape[0])
         image.SetData(array.tobytes())
         bmp = wx.Bitmap(image)
         dc.DrawBitmap(bmp, rect.x, rect.y)
コード例 #9
0
ファイル: char.py プロジェクト: TikiBill/omnivore
 def draw_item(self, parent, dc, rect, data, style):
     start = 0
     end = len(data)
     nr = 1
     data = data.reshape((nr, -1))
     style = style.reshape((nr, -1))
     v = parent.segment_viewer
     array = parent.font_renderer.get_image(v, v.antic_font, data, style,
                                            start, end, end, nr, start, end)
     width = array.shape[1]
     height = array.shape[0]
     if width > 0 and height > 0:
         array = intscale(array, parent.zoom_h, parent.zoom_w)
         image = wx.Image(array.shape[1], array.shape[0])
         image.SetData(array.tobytes())
         bmp = wx.Bitmap(image)
         dc.DrawBitmap(bmp, rect.x, rect.y)
コード例 #10
0
 def draw_item(self, grid_control, dc, rect, data, style):
     start = 0
     end = len(data)
     nr = 1
     array = grid_control.bitmap_renderer.get_image(
         grid_control.segment_viewer, end, nr, end, data, style)
     width = array.shape[1]
     height = array.shape[0]
     if width > 0 and height > 0:
         array = intscale(array,
                          grid_control.zoom_h * grid_control.scale_height,
                          grid_control.zoom_w * grid_control.scale_width)
         #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
         image = wx.Image(array.shape[1], array.shape[0])
         image.SetData(array.tobytes())
         bmp = wx.Bitmap(image)
         dc.DrawBitmap(bmp, rect.x, rect.y)
コード例 #11
0
ファイル: bitmap.py プロジェクト: robmcmullen/omnivore
    def draw_grid(self, grid_control, dc, first_row, visible_rows, first_cell, visible_cells):
        t = grid_control.table
        log.debug(f"draw_grid: first_row={first_row} visible_rows={visible_rows}; first_cell={first_cell} visible_cells={visible_cells}")
        first_col = self.cell_to_col(first_row, first_cell)
        last_cell = min(first_cell + visible_cells, self.num_cells)
        last_row = min(first_row + visible_rows, t.num_rows)
        last_col = self.cell_to_col(last_row, last_cell - 1) + 1
        log.debug("draw_grid: rows:%d,%d (vis %d, num %d) cols:%d,%d" % (first_row, last_row, visible_rows, t.num_rows, first_col, last_col))

        ul_rect = self.col_to_rect(first_row, first_col)
        lr_rect = self.col_to_rect(last_row - 1, last_col - 1)
        frame_rect = wx.Rect(ul_rect.x, ul_rect.y, lr_rect.x - ul_rect.x + lr_rect.width, lr_rect.y - ul_rect.y + lr_rect.height)
        dc.SetClippingRegion(frame_rect)

        # First and last rows may not span entire width. Process those
        # separately
        #
        # First row may not have bytes at the beginning of the row if the start
        # offset is not zero
        if first_row == 0:
            try:
                col, index, last_index = self.calc_column_range(grid_control, first_row, first_col, last_col)
            except IndexError:
                pass  # skip lines with no visible cells
            else:
                self.draw_line(grid_control, dc, first_row, col, index, last_index)
            first_row += 1
            if first_row == last_row:
                return
            frame_rect.y += ul_rect.height

        # Last row may not have bytes at the end of the row
        if last_row == t.num_rows:
            try:
                col, index, last_index = self.calc_column_range(grid_control, last_row - 1, first_col, last_col)
            except IndexError:
                pass  # skip lines with no visible cells
            else:
                self.draw_line(grid_control, dc, last_row - 1, col, index, last_index)
            last_row -= 1

        # If there are any more rows to display, they will be full-width rows;
        # i.e. the data is in a rectangular grid
        nr = last_row - first_row
        if nr > 0:
            bytes_per_row = self.calc_bytes_per_row(t)
            nc = last_col - first_col
            offset = t.start_offset % bytes_per_row
            first_index = (first_row * bytes_per_row) - offset
            last_index = (last_row * bytes_per_row) - offset
            log.debug(f"drawing rectangular grid: bpr={bytes_per_row}, first,last={first_index},{last_index}, nr={nr}, start_offset={offset}")
            data = t.data[first_index:last_index].reshape((nr, bytes_per_row))[0:nr,first_col:last_col].flatten()
            style = t.style[first_index:last_index].reshape((nr, bytes_per_row))[0:nr,first_col:last_col].flatten()

            # get_image(cls, machine, antic_font, byte_values, style, start_byte, end_byte, bytes_per_row, nr, start_col, visible_cols):

            array = grid_control.bitmap_renderer.get_image(grid_control.segment_viewer, nc, nr, nc * nr, data, style)
            width = array.shape[1]
            height = array.shape[0]
            if width > 0 and height > 0:
                array = intscale(array, grid_control.zoom_h, grid_control.zoom_w)
                #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
                image = wx.Image(array.shape[1], array.shape[0])
                image.SetData(array.tobytes())
                bmp = wx.Bitmap(image)
                dc.DrawBitmap(bmp, frame_rect.x, frame_rect.y)
コード例 #12
0
ファイル: char.py プロジェクト: TikiBill/omnivore
    def draw_grid(self, grid_control, dc, first_row, visible_rows, first_cell,
                  visible_cells):
        t = grid_control.table
        first_col = self.cell_to_col(first_row, first_cell)
        last_cell = min(first_cell + visible_cells, self.num_cells)
        last_row = min(first_row + visible_rows, t.num_rows)
        last_col = self.cell_to_col(last_row, last_cell - 1) + 1
        log.debug("draw_grid: rows:%d,%d (vis %d, num %d) cols:%d,%d" %
                  (first_row, last_row, visible_rows, t.num_rows, first_col,
                   last_col))

        ul_rect = self.col_to_rect(first_row, first_col)
        lr_rect = self.col_to_rect(last_row - 1, last_col - 1)
        frame_rect = wx.Rect(ul_rect.x, ul_rect.y,
                             lr_rect.x - ul_rect.x + lr_rect.width,
                             lr_rect.y - ul_rect.y + lr_rect.height)
        dc.SetClippingRegion(frame_rect)

        # First and last rows may not span entire width. Process those
        # separately
        #
        # First row may not have bytes at the beginning of the row if the start
        # offset is not zero
        if first_row == 0:
            try:
                col, index, last_index = self.calc_column_range(
                    grid_control, first_row, first_col, last_col)
            except IndexError:
                pass  # skip lines with no visible cells
            else:
                self.draw_line(grid_control, dc, first_row, col, index,
                               last_index)
            first_row += 1
            if first_row == last_row:
                return
            frame_rect.y += ul_rect.height

        # Last row may not have bytes at the end of the row
        if last_row == t.num_rows:
            try:
                col, index, last_index = self.calc_column_range(
                    grid_control, last_row - 1, first_col, last_col)
            except IndexError:
                pass  # skip lines with no visible cells
            else:
                self.draw_line(grid_control, dc, last_row - 1, col, index,
                               last_index)
            last_row -= 1

        bytes_per_row = t.items_per_row
        nr = last_row - first_row
        nc = last_col - first_col
        first_index = (first_row * bytes_per_row) - t.start_offset
        last_index = (last_row * bytes_per_row) - t.start_offset
        t = t
        if last_index > len(t.data):
            last_index = len(t.data)
            data = np.zeros((nr * bytes_per_row), dtype=np.uint8)
            data[0:last_index - first_index] = t.data[first_index:last_index]
            style = np.zeros((nr * bytes_per_row), dtype=np.uint8)
            style[0:last_index - first_index] = t.style[first_index:last_index]
        else:
            data = t.data[first_index:last_index]
            style = t.style[first_index:last_index]
        data = data.reshape((nr, -1))
        style = style.reshape((nr, -1))

        # get_image(cls, machine, antic_font, byte_values, style, start_byte, end_byte, bytes_per_row, nr, start_col, visible_cols):

        array = grid_control.font_renderer.get_image(
            grid_control.segment_viewer,
            grid_control.segment_viewer.antic_font, data, style, first_index,
            last_index, bytes_per_row, nr, first_col, nc)
        width = array.shape[1]
        height = array.shape[0]
        if width > 0 and height > 0:
            array = intscale(array, grid_control.zoom_h, grid_control.zoom_w)
            #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
            image = wx.Image(array.shape[1], array.shape[0])
            image.SetData(array.tobytes())
            bmp = wx.Bitmap(image)
            dc.DrawBitmap(bmp, frame_rect.x, frame_rect.y)
コード例 #13
0
    def draw_grid(self, grid_control, dc, first_row, visible_rows, first_cell,
                  visible_cells):
        t = grid_control.table
        log.debug(
            f"draw_grid: first_row={first_row} visible_rows={visible_rows}; first_cell={first_cell} visible_cells={visible_cells}"
        )
        first_col = self.cell_to_col(first_row, first_cell)
        last_cell = min(first_cell + visible_cells, self.num_cells)
        last_row = min(first_row + visible_rows, t.num_rows)
        last_col = self.cell_to_col(last_row, last_cell - 1) + 1
        log.debug("draw_grid: rows:%d,%d (vis %d, num %d) cols:%d,%d" %
                  (first_row, last_row, visible_rows, t.num_rows, first_col,
                   last_col))

        ul_rect = self.col_to_rect(first_row, first_col)
        lr_rect = self.col_to_rect(last_row - 1, last_col - 1)
        frame_rect = wx.Rect(ul_rect.x, ul_rect.y,
                             lr_rect.x - ul_rect.x + lr_rect.width,
                             lr_rect.y - ul_rect.y + lr_rect.height)
        dc.SetClippingRegion(frame_rect)

        # First and last rows may not span entire width. Process those
        # separately
        #
        # First row may not have bytes at the beginning of the row if the start
        # offset is not zero
        if first_row == 0:
            try:
                col, index, last_index = self.calc_column_range(
                    grid_control, first_row, first_col, last_col)
            except IndexError:
                pass  # skip lines with no visible cells
            else:
                self.draw_line(grid_control, dc, first_row, col, index,
                               last_index)
            first_row += 1
            if first_row == last_row:
                return
            frame_rect.y += ul_rect.height

        # Last row may not have bytes at the end of the row
        if last_row == t.num_rows:
            try:
                col, index, last_index = self.calc_column_range(
                    grid_control, last_row - 1, first_col, last_col)
            except IndexError:
                pass  # skip lines with no visible cells
            else:
                self.draw_line(grid_control, dc, last_row - 1, col, index,
                               last_index)
            last_row -= 1

        # If there are any more rows to display, they will be full-width rows;
        # i.e. the data is in a rectangular grid
        nr = last_row - first_row
        if nr > 0:
            bytes_per_row = self.calc_bytes_per_row(t)
            nc = last_col - first_col
            offset = t.start_offset % bytes_per_row
            first_index = (first_row * bytes_per_row) - offset
            last_index = (last_row * bytes_per_row) - offset
            log.debug(
                f"drawing rectangular grid: bpr={bytes_per_row}, first,last={first_index},{last_index}, nr={nr}, start_offset={offset}"
            )
            data = t.data[first_index:last_index].reshape(
                (nr, bytes_per_row))[0:nr, first_col:last_col].flatten()
            style = t.style[first_index:last_index].reshape(
                (nr, bytes_per_row))[0:nr, first_col:last_col].flatten()

            # get_image(cls, machine, antic_font, byte_values, style, start_byte, end_byte, bytes_per_row, nr, start_col, visible_cols):

            array = grid_control.bitmap_renderer.get_image(
                grid_control.segment_viewer, nc, nr, nc * nr, data, style)
            width = array.shape[1]
            height = array.shape[0]
            if width > 0 and height > 0:
                array = intscale(array, grid_control.zoom_h,
                                 grid_control.zoom_w)
                #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
                image = wx.Image(array.shape[1], array.shape[0])
                image.SetData(array.tobytes())
                bmp = wx.Bitmap(image)
                dc.DrawBitmap(bmp, frame_rect.x, frame_rect.y)
コード例 #14
0
ファイル: char.py プロジェクト: robmcmullen/omnivore
    def draw_grid(self, grid_control, dc, first_row, visible_rows, first_cell, visible_cells):
        t = grid_control.table
        first_col = self.cell_to_col(first_row, first_cell)
        last_cell = min(first_cell + visible_cells, self.num_cells)
        last_row = min(first_row + visible_rows, t.num_rows)
        last_col = self.cell_to_col(last_row, last_cell - 1) + 1
        log.debug("draw_grid: rows:%d,%d (vis %d, num %d) cols:%d,%d" % (first_row, last_row, visible_rows, t.num_rows, first_col, last_col))

        ul_rect = self.col_to_rect(first_row, first_col)
        lr_rect = self.col_to_rect(last_row - 1, last_col - 1)
        frame_rect = wx.Rect(ul_rect.x, ul_rect.y, lr_rect.x - ul_rect.x + lr_rect.width, lr_rect.y - ul_rect.y + lr_rect.height)
        dc.SetClippingRegion(frame_rect)

        # First and last rows may not span entire width. Process those
        # separately
        #
        # First row may not have bytes at the beginning of the row if the start
        # offset is not zero
        if first_row == 0:
            try:
                col, index, last_index = self.calc_column_range(grid_control, first_row, first_col, last_col)
            except IndexError:
                pass  # skip lines with no visible cells
            else:
                self.draw_line(grid_control, dc, first_row, col, index, last_index)
            first_row += 1
            if first_row == last_row:
                return
            frame_rect.y += ul_rect.height

        # Last row may not have bytes at the end of the row
        if last_row == t.num_rows:
            try:
                col, index, last_index = self.calc_column_range(grid_control, last_row - 1, first_col, last_col)
            except IndexError:
                pass  # skip lines with no visible cells
            else:
                self.draw_line(grid_control, dc, last_row - 1, col, index, last_index)
            last_row -= 1

        bytes_per_row = t.items_per_row
        nr = last_row - first_row
        nc = last_col - first_col
        first_index = (first_row * bytes_per_row) - t.start_offset
        last_index = (last_row * bytes_per_row) - t.start_offset
        t = t
        if last_index > len(t.data):
            last_index = len(t.data)
            data = np.zeros((nr * bytes_per_row), dtype=np.uint8)
            data[0:last_index - first_index] = t.data[first_index:last_index]
            style = np.zeros((nr * bytes_per_row), dtype=np.uint8)
            style[0:last_index - first_index] = t.style[first_index:last_index]
        else:
            data = t.data[first_index:last_index]
            style = t.style[first_index:last_index]
        data = data.reshape((nr, -1))
        style = style.reshape((nr, -1))

        # get_image(cls, machine, antic_font, byte_values, style, start_byte, end_byte, bytes_per_row, nr, start_col, visible_cols):

        array = grid_control.font_renderer.get_image(grid_control.segment_viewer, grid_control.segment_viewer.antic_font, data, style, first_index, last_index, bytes_per_row, nr, first_col, nc)
        width = array.shape[1]
        height = array.shape[0]
        if width > 0 and height > 0:
            array = intscale(array, grid_control.zoom_h, grid_control.zoom_w)
            #print("bitmap: %d,%d,3 after scaling: %s" % (height, width, str(array.shape)))
            image = wx.Image(array.shape[1], array.shape[0])
            image.SetData(array.tobytes())
            bmp = wx.Bitmap(image)
            dc.DrawBitmap(bmp, frame_rect.x, frame_rect.y)