B28 autodpi 3 (#2618)

* prelim auto config code * pass Exception * add get_set scale info to all nodeview drawing nodes * print in set_nodeview_render_params * include single call to get_and_set_gl_scale_info from sv_post_load * no manual setting of these things

B28 autodpi 3 (#2618)
* prelim auto config code * pass Exception * add get_set scale info to all nodeview drawing nodes * print in set_nodeview_render_params * include single call to get_and_set_gl_scale_info from sv_post_load * no manual setting of these things
6b3a3898 · Dealga McArdle · GitHub · d3b50a8d · 6b3a3898 · 6b3a3898
--- a/core/handlers.py
+++ b/core/handlers.py
@@ -137,6 +137,11 @@ def sv_post_load(scene):
    Upgrade nodes, apply preferences and do an update.
    """

+    # ensure current nodeview view scale / location parameters reflect users' system settings
+    from sverchok import node_tree
+    node_tree.SverchCustomTreeNode.get_and_set_gl_scale_info(None, "sv_post_load")
+
+
    for monad in (ng for ng in bpy.data.node_groups if ng.bl_idname == 'SverchGroupTreeType'):
        if monad.input_node and monad.output_node:
            monad.update_cls()

--- a/docs/404_custom.html
+++ b/docs/404_custom.html
@@ -11,7 +11,7 @@
    <body>

        <div id="vh" class="box">
-            Sorry! It appears that <span id="label">Get property</span> doesn't have a document associated with it. 
+            Sorry! It appears that <span id="label">Planar edgenet to polygons</span> doesn't have a document associated with it. 
            <br/><br/>
            Please contact us on the <a href="https://github.com/nortikin/sverchok/issues">GitHub issue tracker</a> or any of the following social sites: 
            <a href="https://plus.google.com/communities/113245231013159497850">G+</a>, <a href="http://vk.com/public35076122">VK</a> or <a href="http://www.blenderartists.org/forum/showthread.php?272679">Blenderartists</a>.

--- a/node_tree.py
+++ b/node_tree.py
@@ -473,7 +473,24 @@ class SverchCustomTreeNode:
        """
        op = layout_element.operator(operator_idname, **keywords)
        op.idname = self.name
-        op.idtree = self.id_data.name      
+        op.idtree = self.id_data.name
+
+
+    def get_and_set_gl_scale_info(self, origin=None):
+        """
+        This function is called in sv_init in nodes that draw GL instructions to the nodeview, 
+        the nodeview scale and dpi differs between users and must be queried to get correct nodeview
+        x,y and dpi scale info.
+        """
+        print('get_and_set_gl_scale_info called from', origin or self.name)
+
+        try:
+            print('getting gl scale params')
+            from sverchok.utils.context_managers import sv_preferences
+            with sv_preferences() as prefs:
+                getattr(prefs, 'set_nodeview_render_params')(None)
+        except Exception as err:
+            print('failed to get gl scale info', err)


 classes = [

--- a/nodes/number/easing.py
+++ b/nodes/number/easing.py
@@ -121,6 +121,7 @@ class SvEasingNode(bpy.types.Node, SverchCustomTreeNode):
    def sv_init(self, context):
        self.inputs.new('SvStringsSocket', "Float").prop_name = 'in_float'
        self.outputs.new('SvStringsSocket', "Float").custom_draw = 'custom_draw_socket'
+        self.get_and_set_gl_scale_info()

    def get_drawing_attributes(self):
        """

--- a/nodes/text/stethoscope_v28.py
+++ b/nodes/text/stethoscope_v28.py
@@ -79,8 +79,8 @@ class SvStethoscopeNodeMK2(bpy.types.Node, SverchCustomTreeNode):
    compact: BoolProperty(default=False, update=updateNode)
    depth: IntProperty(default=5, min=0, update=updateNode)

-    def sv_init(self, context):
-        self.inputs.new('SvStringsSocket', 'Data')
+
+    def get_theme_colors_for_contrast(self):
        try:
            current_theme = bpy.context.preferences.themes.items()[0][0]
            editor = bpy.context.preferences.themes[current_theme].node_editor
@@ -88,6 +88,12 @@ class SvStethoscopeNodeMK2(bpy.types.Node, SverchCustomTreeNode):
        except:
            print('-', end='')

+    def sv_init(self, context):
+        self.inputs.new('SvStringsSocket', 'Data')
+        self.get_theme_colors_for_contrast()
+        self.get_and_set_gl_scale_info()
+
+
    # reset n_id on copy
    def copy(self, node):
        self.n_id = ''

--- a/nodes/viz/viewer_texture.py
+++ b/nodes/viz/viewer_texture.py
@@ -348,7 +348,9 @@ class SvTextureViewerNode(bpy.types.Node, SverchCustomTreeNode):
        height_socket = inew('SvStringsSocket', "Height")
        height_socket.prop_name = 'height_custom_tex'
        height_socket.hide_safe = True
-        pass
+
+        self.get_and_set_gl_scale_info()
+

    def delete_texture(self):
        n_id = node_id(self)

--- a/nodes/viz/viewer_texture_lite.py
+++ b/nodes/viz/viewer_texture_lite.py
@@ -79,6 +79,7 @@ class SvTextureViewerNodeLite(bpy.types.Node, SverchCustomTreeNode):
    def sv_init(self, context):
        self.width = 180
        self.inputs.new('SvStringsSocket', "pixel value")
+        self.get_and_set_gl_scale_info()

    def delete_texture(self):
        n_id = node_id(self)

--- a/settings.py
+++ b/settings.py
@@ -36,6 +36,16 @@ def get_params(settings_and_fallbacks):
            setattr(props, k, value)
    return props

+# getDpiFactor and getDpi are lifted from Animation Nodes :)
+
+def get_dpi_factor():
+    return get_dpi() / 72
+
+def get_dpi():
+    systemPreferences = bpy.context.preferences.system
+    retinaFactor = getattr(systemPreferences, "pixel_size", 1)
+    return systemPreferences.dpi * retinaFactor
+

 class SverchokPreferences(AddonPreferences):

@@ -229,6 +239,13 @@ class SverchokPreferences(AddonPreferences):
    index_viewer_scale: FloatProperty(
        default=1.0, min=0.01, step=0.01, description='default index viewer scale')

+    def set_nodeview_render_params(self, context):
+        # i think these are both the same..
+        self.render_scale = get_dpi_factor()
+        self.render_location_xy_multiplier = get_dpi_factor()
+        print(f'set render_scale to: {self.render_scale}')
+        print(f'set render_location_xy_multiplier to: {self.render_location_xy_multiplier}')
+
    ##

    datafiles = os.path.join(bpy.utils.user_resource('DATAFILES', path='sverchok', create=True))
@@ -352,8 +369,10 @@ class SverchokPreferences(AddonPreferences):
            box_sub1_col = box_sub1.column(align=True)
            
            box_sub1_col.label(text='Render Scale & Location')
-            box_sub1_col.prop(self, 'render_location_xy_multiplier', text='xy multiplier')
-            box_sub1_col.prop(self, 'render_scale', text='scale')
+            # box_sub1_col.prop(self, 'render_location_xy_multiplier', text='xy multiplier')
+            # box_sub1_col.prop(self, 'render_scale', text='scale')
+            box_sub1_col.label(text=f'xy multiplier: {self.render_location_xy_multiplier}')
+            box_sub1_col.label(text=f'render_scale : {self.render_scale}')
            
            box_sub1_col.label(text='Stethoscope')
            box_sub1_col.prop(self, 'stethoscope_view_scale', text='scale')