GPencil: New material parameter to rotate texture

Add a parameter to rotate the texture for Dots and Squares

Differential Revision: https://developer.blender.org/D9369

release/scripts/startup/bl_operators/presets.py

@@ -676,6 +676,7 @@ class AddPresetGpencilMaterial(AddPresetBase, Operator):
         "gpcolor.pixel_size",
         "gpcolor.mix_stroke_factor",
         "gpcolor.alignment_mode",
+        "gpcolor.alignment_rotation",
         "gpcolor.fill_style",
         "gpcolor.fill_color",
         "gpcolor.fill_image",

release/scripts/startup/bl_ui/properties_material_gpencil.py

@@ -165,6 +165,7 @@ class MATERIAL_PT_gpencil_strokecolor(GPMaterialButtonsPanel, Panel):
 
             if gpcolor.mode in {'DOTS', 'BOX'}:
                 col.prop(gpcolor, "alignment_mode")
+                col.prop(gpcolor, "alignment_rotation")
 
             if gpcolor.mode == 'LINE':
                 col.prop(gpcolor, "use_overlap_strokes")