GP: Add new presets for materials

This allow create prests without import materials and include a requested predefined settings for Stroke only, Fill only and Stroke and Fill.

release/scripts/presets/gpencil_material/fill_only.py

@@ -0,0 +1,30 @@
+import bpy
+material = bpy.context.object.active_material
+gpcolor = material.grease_pencil
+
+gpcolor.mode = 'LINE'
+gpcolor.stroke_style = 'SOLID'
+gpcolor.color = (0.0, 0.0, 0.0, 0.0)
+gpcolor.stroke_image = None
+gpcolor.pixel_size = 100.0
+gpcolor.use_stroke_pattern = False
+gpcolor.fill_style = 'SOLID'
+gpcolor.fill_color = (0.5, 0.5, 0.5, 1.0)
+gpcolor.fill_image = None
+gpcolor.gradient_type = 'LINEAR'
+gpcolor.mix_color = (1.0, 1.0, 1.0, 0.2)
+gpcolor.mix_factor = 0.0
+gpcolor.flip = False
+gpcolor.pattern_shift = (0.0, 0.0)
+gpcolor.pattern_scale = (1.0, 1.0)
+gpcolor.pattern_radius = 0.5
+gpcolor.pattern_angle = 0.0
+gpcolor.pattern_gridsize = 0.1
+gpcolor.use_fill_pattern = False
+gpcolor.texture_offset = (0.0, 0.0)
+gpcolor.texture_scale = (1.0, 1.0)
+gpcolor.texture_angle = 0.0
+gpcolor.texture_opacity = 1.0
+gpcolor.texture_clamp = False
+gpcolor.texture_mix = False
+gpcolor.mix_factor = 0.0

release/scripts/presets/gpencil_material/stroke_and_fill.py

@@ -0,0 +1,30 @@
+import bpy
+material = bpy.context.object.active_material
+gpcolor = material.grease_pencil
+
+gpcolor.mode = 'LINE'
+gpcolor.stroke_style = 'SOLID'
+gpcolor.color = (0.0, 0.0, 0.0, 1.0)
+gpcolor.stroke_image = None
+gpcolor.pixel_size = 100.0
+gpcolor.use_stroke_pattern = False
+gpcolor.fill_style = 'SOLID'
+gpcolor.fill_color = (0.5, 0.5, 0.5, 1.0)
+gpcolor.fill_image = None
+gpcolor.gradient_type = 'LINEAR'
+gpcolor.mix_color = (1.0, 1.0, 1.0, 0.2)
+gpcolor.mix_factor = 0.0
+gpcolor.flip = False
+gpcolor.pattern_shift = (0.0, 0.0)
+gpcolor.pattern_scale = (1.0, 1.0)
+gpcolor.pattern_radius = 0.5
+gpcolor.pattern_angle = 0.0
+gpcolor.pattern_gridsize = 0.1
+gpcolor.use_fill_pattern = False
+gpcolor.texture_offset = (0.0, 0.0)
+gpcolor.texture_scale = (1.0, 1.0)
+gpcolor.texture_angle = 0.0
+gpcolor.texture_opacity = 1.0
+gpcolor.texture_clamp = False
+gpcolor.texture_mix = False
+gpcolor.mix_factor = 0.0

release/scripts/presets/gpencil_material/stroke_only.py

@@ -0,0 +1,30 @@
+import bpy
+material = bpy.context.object.active_material
+gpcolor = material.grease_pencil
+
+gpcolor.mode = 'LINE'
+gpcolor.stroke_style = 'SOLID'
+gpcolor.color = (0.0, 0.0, 0.0, 1.0)
+gpcolor.stroke_image = None
+gpcolor.pixel_size = 100.0
+gpcolor.use_stroke_pattern = False
+gpcolor.fill_style = 'SOLID'
+gpcolor.fill_color = (0.5, 0.5, 0.5, 0.0)
+gpcolor.fill_image = None
+gpcolor.gradient_type = 'LINEAR'
+gpcolor.mix_color = (1.0, 1.0, 1.0, 0.2)
+gpcolor.mix_factor = 0.0
+gpcolor.flip = False
+gpcolor.pattern_shift = (0.0, 0.0)
+gpcolor.pattern_scale = (1.0, 1.0)
+gpcolor.pattern_radius = 0.5
+gpcolor.pattern_angle = 0.0
+gpcolor.pattern_gridsize = 0.1
+gpcolor.use_fill_pattern = False
+gpcolor.texture_offset = (0.0, 0.0)
+gpcolor.texture_scale = (1.0, 1.0)
+gpcolor.texture_angle = 0.0
+gpcolor.texture_opacity = 1.0
+gpcolor.texture_clamp = False
+gpcolor.texture_mix = False
+gpcolor.mix_factor = 0.0

release/scripts/startup/bl_operators/presets.py

@@ -706,6 +706,49 @@ class AddPresetGpencilBrush(AddPresetBase, Operator):
     preset_subdir = "gpencil_brush"
 
 
+class AddPresetGpencilMaterial(AddPresetBase, Operator):
+    """Add or remove grease pencil material preset"""
+    bl_idname = "scene.gpencil_material_preset_add"
+    bl_label = "Add Grease Pencil Material Preset"
+    preset_menu = "MATERIAL_PT_gpencil_material_presets"
+
+    preset_defines = [
+        "material = bpy.context.object.active_material",
+        "gpcolor = material.grease_pencil"
+    ]
+
+    preset_values = [
+        "gpcolor.mode",
+        "gpcolor.stroke_style",
+        "gpcolor.color",
+        "gpcolor.stroke_image",
+        "gpcolor.pixel_size",
+        "gpcolor.use_stroke_pattern",
+        "gpcolor.fill_style",
+        "gpcolor.fill_color",
+        "gpcolor.fill_image",
+        "gpcolor.gradient_type",
+        "gpcolor.mix_color",
+        "gpcolor.mix_factor",
+        "gpcolor.flip",
+        "gpcolor.pattern_shift",
+        "gpcolor.pattern_scale",
+        "gpcolor.pattern_radius",
+        "gpcolor.pattern_angle",
+        "gpcolor.pattern_gridsize",
+        "gpcolor.use_fill_pattern",
+        "gpcolor.texture_offset",
+        "gpcolor.texture_scale",
+        "gpcolor.texture_angle",
+        "gpcolor.texture_opacity",
+        "gpcolor.texture_clamp",
+        "gpcolor.texture_mix",
+        "gpcolor.mix_factor",
+    ]
+
+    preset_subdir = "gpencil_material"
+
+
 classes = (
     AddPresetCamera,
     AddPresetCloth,
@@ -723,6 +766,7 @@ classes = (
     AddPresetTrackingTrackColor,
     AddPresetUnitsLength,
     AddPresetGpencilBrush,
+    AddPresetGpencilMaterial,
     ExecutePreset,
     WM_MT_operator_presets,
 )

release/scripts/startup/bl_ui/properties_material_gpencil.py

@@ -20,6 +20,7 @@
 import bpy
 from bpy.types import Menu, Panel, UIList
 from rna_prop_ui import PropertyPanel
+from bl_operators.presets import PresetMenu
 
 
 class GPENCIL_MT_color_specials(Menu):
@@ -165,6 +166,9 @@ class MATERIAL_PT_gpencil_surface(GPMaterialButtonsPanel, Panel):
 
         return ob and ob.type == 'GPENCIL'
 
+    def draw_header_preset(self, context):
+        MATERIAL_PT_gpencil_material_presets.draw_panel_header(self.layout)
+
     @staticmethod
     def draw(self, context):
         layout = self.layout
@@ -302,12 +306,20 @@ class MATERIAL_PT_gpencil_options(GPMaterialButtonsPanel, Panel):
             gpcolor = ma.grease_pencil
             layout.prop(gpcolor, "pass_index")
 
+class MATERIAL_PT_gpencil_material_presets(PresetMenu):
+    """Material settings"""
+    bl_label = "Material Presets"
+    preset_subdir = "gpencil_material"
+    preset_operator = "script.execute_preset"
+    preset_add_operator = "scene.gpencil_material_preset_add"
+
 
 classes = (
     GPENCIL_UL_matslots,
     GPENCIL_MT_color_specials,
     MATERIAL_PT_gpencil_slots,
     MATERIAL_PT_gpencil_preview,
+    MATERIAL_PT_gpencil_material_presets,
     MATERIAL_PT_gpencil_surface,
     MATERIAL_PT_gpencil_strokecolor,
     MATERIAL_PT_gpencil_fillcolor,