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| author | jblum | 2009-03-30 20:57:00 +0000 |
|---|---|---|
| committer | jblum | 2009-03-30 20:57:00 +0000 |
| commit | 22b2e334a5fe7a909d936f1c948328418eca0e8c (patch) | |
| tree | 4cd7312cda2d08498ef2852b4d9591a6327bcd1a | |
| parent | 5d6a2e6ef107cd4137558df16efd1fd43616ca85 (diff) | |
| download | gnuradio-22b2e334a5fe7a909d936f1c948328418eca0e8c.tar.gz gnuradio-22b2e334a5fe7a909d936f1c948328418eca0e8c.tar.bz2 gnuradio-22b2e334a5fe7a909d936f1c948328418eca0e8c.zip | |
option to enforce padding aspect ratio in grid plotters
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10714 221aa14e-8319-0410-a670-987f0aec2ac5
| -rw-r--r-- | gr-wxgui/src/python/plotter/grid_plotter_base.py | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gr-wxgui/src/python/plotter/grid_plotter_base.py b/gr-wxgui/src/python/plotter/grid_plotter_base.py index fd318ffa0..39bed1811 100644 --- a/gr-wxgui/src/python/plotter/grid_plotter_base.py +++ b/gr-wxgui/src/python/plotter/grid_plotter_base.py @@ -62,6 +62,7 @@ class grid_plotter_base(plotter_base): #setup point label cache self._point_label_cache = self.new_gl_cache(self._draw_point_label, 75) self.enable_point_label(False) + self.enable_grid_aspect_ratio(False) self.set_point_label_coordinate(None) common.point_label_thread(self) #init grid plotter @@ -84,6 +85,20 @@ class grid_plotter_base(plotter_base): self.update() self.unlock() + def enable_grid_aspect_ratio(self, enable=None): + """ + Enable/disable the grid aspect ratio. + If enabled, enforce the aspect ratio on the padding: + horizontal_padding:vertical_padding == width:height + @param enable true to enable + @return the enable state when None + """ + if enable is None: return self._enable_grid_aspect_ratio + self.lock() + self._enable_grid_aspect_ratio = enable + for cache in self._gl_caches: cache.changed(True) + self.unlock() + def enable_point_label(self, enable=None): """ Enable/disable the point label. @@ -204,6 +219,23 @@ class grid_plotter_base(plotter_base): self.padding_right = max(2*TICK_LABEL_PADDING, self.padding_right_min) self.padding_bottom = max(2*AXIS_LABEL_PADDING + TICK_LABEL_PADDING + x_label.get_size()[1] + max([label.get_size()[1] for tick, label in x_tick_labels]), self.padding_bottom_min) self.padding_left = max(2*AXIS_LABEL_PADDING + TICK_LABEL_PADDING + y_label.get_size()[1] + max([label.get_size()[0] for tick, label in y_tick_labels]), self.padding_left_min) + #enforce padding aspect ratio if enabled + if self.enable_grid_aspect_ratio(): + w_over_h_ratio = float(self.width)/float(self.height) + horizontal_padding = float(self.padding_right + self.padding_left) + veritical_padding = float(self.padding_top + self.padding_bottom) + if w_over_h_ratio > horizontal_padding/veritical_padding: + #increase the horizontal padding + new_padding = veritical_padding*w_over_h_ratio - horizontal_padding + #distribute the padding to left and right + self.padding_left += int(round(new_padding/2)) + self.padding_right += int(round(new_padding/2)) + else: + #increase the vertical padding + new_padding = horizontal_padding/w_over_h_ratio - veritical_padding + #distribute the padding to top and bottom + self.padding_top += int(round(new_padding/2)) + self.padding_bottom += int(round(new_padding/2)) ################################################## # Draw Grid X ################################################## |