GPencil: New Brush default settings

This patch replaces D5787. Now instead to replace the startup.blend file, all the changes are done in versioning and moved to shared module to be reused by Brush reset.

Reviewers: brecht, mendio

Reviewed By: brecht

Subscribers: pepeland, mendio

Differential Revision: https://developer.blender.org/D5913

9 files changed, 332 insertions, 173 deletions

diff --git a/source/blender/blenkernel/BKE_brush.h b/source/blender/blenkernel/BKE_brush.h
index 26ab7f8ba0c..68fd1b1398d 100644
--- a/source/blender/blenkernel/BKE_brush.h
+++ b/source/blender/blenkernel/BKE_brush.h
@@ -56,7 +56,7 @@ void BKE_brush_make_local(struct Main *bmain, struct Brush *brush, const bool li
 void BKE_brush_free(struct Brush *brush);
 
 void BKE_brush_sculpt_reset(struct Brush *brush);
-void BKE_brush_gpencil_presets(struct bContext *C);
+void BKE_brush_gpencil_presets(struct Main *bmain, struct ToolSettings *ts);
 
 /* image icon function */
 struct ImBuf *get_brush_icon(struct Brush *brush);
diff --git a/source/blender/blenkernel/intern/brush.c b/source/blender/blenkernel/intern/brush.c
index 44853f74264..56ce658d9d7 100644
--- a/source/blender/blenkernel/intern/brush.c
+++ b/source/blender/blenkernel/intern/brush.c
@@ -26,6 +26,7 @@
 #include "DNA_gpencil_types.h"
 #include "DNA_defaults.h"
 
+#include "BLI_listbase.h"
 #include "BLI_math.h"
 #include "BLI_rand.h"
 
@@ -36,6 +37,7 @@
 #include "BKE_library_query.h"
 #include "BKE_library_remap.h"
 #include "BKE_main.h"
+#include "BKE_material.h"
 #include "BKE_paint.h"
 #include "BKE_texture.h"
 #include "BKE_icons.h"
@@ -239,306 +241,383 @@ static void brush_gpencil_curvemap_reset(CurveMap *cuma, int tot, int preset)
   }
 }
 
-/* create a set of grease pencil presets */
-void BKE_brush_gpencil_presets(bContext *C)
+/* create a set of grease pencil presets. */
+void BKE_brush_gpencil_presets(Main *bmain, ToolSettings *ts)
 {
 #define SMOOTH_STROKE_RADIUS 40
 #define SMOOTH_STROKE_FACTOR 0.9f
 
-  ToolSettings *ts = CTX_data_tool_settings(C);
   Paint *paint = &ts->gp_paint->paint;
-  Main *bmain = CTX_data_main(C);
 
   Brush *brush, *deft;
   CurveMapping *custom_curve;
 
-  /* Pencil brush */
-  brush = BKE_brush_add_gpencil(bmain, ts, "Draw Pencil");
-  brush->size = 25.0f;
+  /* Airbrush brush. */
+  brush = BLI_findstring(&bmain->brushes, "Airbrush", offsetof(ID, name) + 2);
+  if (brush == NULL) {
+    brush = BKE_brush_add_gpencil(bmain, ts, "Airbrush");
+  }
+
+  brush->size = 300.0f;
   brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
-  brush->gpencil_settings->draw_sensitivity = 1.0f;
 
-  brush->gpencil_settings->draw_strength = 0.6f;
+  brush->gpencil_settings->draw_strength = 0.4f;
   brush->gpencil_settings->flag |= GP_BRUSH_USE_STENGTH_PRESSURE;
 
-  brush->gpencil_settings->draw_random_press = 0.0f;
-
-  brush->gpencil_settings->draw_jitter = 0.0f;
-  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
-
+  brush->gpencil_settings->input_samples = 10;
+  brush->gpencil_settings->active_smooth = 0.98f;
   brush->gpencil_settings->draw_angle = 0.0f;
   brush->gpencil_settings->draw_angle_factor = 0.0f;
+  brush->gpencil_settings->gradient_f = 0.211f;
+  brush->gpencil_settings->gradient_s[0] = 1.0f;
+  brush->gpencil_settings->gradient_s[1] = 1.0f;
+
+  brush->gpencil_settings->draw_sensitivity = 1.0f;
 
-  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS;
-  brush->gpencil_settings->draw_smoothfac = 0.1f;
-  brush->gpencil_settings->draw_smoothlvl = 1;
-  brush->gpencil_settings->thick_smoothfac = 1.0f;
-  brush->gpencil_settings->thick_smoothlvl = 3;
-  brush->gpencil_settings->draw_subdivide = 1;
-  brush->gpencil_settings->draw_random_sub = 0.0f;
-  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_PENCIL;
   brush->gpencil_tool = GPAINT_TOOL_DRAW;
+  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_AIRBRUSH;
 
   brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
   brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
 
-  brush->gpencil_settings->gradient_f = 1.0f;
-  brush->gpencil_settings->gradient_s[0] = 1.0f;
-  brush->gpencil_settings->gradient_s[1] = 1.0f;
-
-  /* Pen brush */
-  brush = BKE_brush_add_gpencil(bmain, ts, "Draw Pen");
-  deft = brush; /* save default brush */
-  brush->size = 30.0f;
+  /* Create and link Black Dots material to brush.
+   * This material is required because the brush uses the material to define how the stroke is
+   * drawn. */
+  Material *ma = BLI_findstring(&bmain->materials, "Black Dots", offsetof(ID, name) + 2);
+  if (ma == NULL) {
+    ma = BKE_material_add_gpencil(bmain, "Black Dots");
+  }
+  brush->gpencil_settings->material = ma;
+  /* Pin the matterial to the brush. */
+  brush->gpencil_settings->flag |= GP_BRUSH_MATERIAL_PINNED;
+
+  /* Ink Pen brush. */
+  brush = BLI_findstring(&bmain->brushes, "Ink Pen", offsetof(ID, name) + 2);
+  if (brush == NULL) {
+    brush = BKE_brush_add_gpencil(bmain, ts, "Ink Pen");
+  }
+  brush->size = 60.0f;
   brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
-  brush->gpencil_settings->draw_sensitivity = 1.0f;
 
   brush->gpencil_settings->draw_strength = 1.0f;
-  brush->gpencil_settings->flag |= GP_BRUSH_USE_STENGTH_PRESSURE;
-
-  brush->gpencil_settings->draw_random_press = 0.0f;
-  brush->gpencil_settings->draw_random_strength = 0.0f;
-
-  brush->gpencil_settings->draw_jitter = 0.0f;
-  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
 
+  brush->gpencil_settings->input_samples = 10;
+  brush->gpencil_settings->active_smooth = 0.7f;
   brush->gpencil_settings->draw_angle = 0.0f;
   brush->gpencil_settings->draw_angle_factor = 0.0f;
+  brush->gpencil_settings->gradient_f = 1.0f;
+  brush->gpencil_settings->gradient_s[0] = 1.0f;
+  brush->gpencil_settings->gradient_s[1] = 1.0f;
 
   brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS;
   brush->gpencil_settings->draw_smoothfac = 0.1f;
   brush->gpencil_settings->draw_smoothlvl = 1;
-  brush->gpencil_settings->draw_subdivide = 1;
   brush->gpencil_settings->thick_smoothfac = 1.0f;
   brush->gpencil_settings->thick_smoothlvl = 3;
+  brush->gpencil_settings->draw_subdivide = 0;
   brush->gpencil_settings->draw_random_sub = 0.0f;
-  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_PEN;
-  brush->gpencil_tool = GPAINT_TOOL_DRAW;
-
-  brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
-  brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
-
-  brush->gpencil_settings->gradient_f = 1.0f;
-  brush->gpencil_settings->gradient_s[0] = 1.0f;
-  brush->gpencil_settings->gradient_s[1] = 1.0f;
-
-  /* Ink brush */
-  brush = BKE_brush_add_gpencil(bmain, ts, "Draw Ink");
-  brush->size = 60.0f;
-  brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
-  brush->gpencil_settings->draw_sensitivity = 1.6f;
-
-  brush->gpencil_settings->draw_strength = 1.0f;
+  brush->gpencil_settings->simplify_f = 0.002f;
 
   brush->gpencil_settings->draw_random_press = 0.0f;
-
   brush->gpencil_settings->draw_jitter = 0.0f;
   brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
+  brush->gpencil_settings->draw_sensitivity = 1.0f;
 
-  brush->gpencil_settings->draw_angle = 0.0f;
-  brush->gpencil_settings->draw_angle_factor = 0.0f;
+  /* Curve. */
+  custom_curve = brush->gpencil_settings->curve_sensitivity;
+  BKE_curvemapping_set_defaults(custom_curve, 0, 0.0f, 0.0f, 1.0f, 1.0f);
+  BKE_curvemapping_initialize(custom_curve);
+  brush_gpencil_curvemap_reset(custom_curve->cm, 3, GPCURVE_PRESET_INK);
 
-  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS;
-  brush->gpencil_settings->draw_smoothfac = 0.1f;
-  brush->gpencil_settings->draw_smoothlvl = 1;
-  brush->gpencil_settings->thick_smoothfac = 1.0f;
-  brush->gpencil_settings->thick_smoothlvl = 3;
-  brush->gpencil_settings->draw_subdivide = 1;
-  brush->gpencil_settings->draw_random_sub = 0.0f;
   brush->gpencil_settings->icon_id = GP_BRUSH_ICON_INK;
   brush->gpencil_tool = GPAINT_TOOL_DRAW;
 
   brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
   brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
 
-  brush->gpencil_settings->gradient_f = 1.0f;
-  brush->gpencil_settings->gradient_s[0] = 1.0f;
-  brush->gpencil_settings->gradient_s[1] = 1.0f;
-
-  /* Curve */
-  custom_curve = brush->gpencil_settings->curve_sensitivity;
-  BKE_curvemapping_set_defaults(custom_curve, 0, 0.0f, 0.0f, 1.0f, 1.0f);
-  BKE_curvemapping_initialize(custom_curve);
-  brush_gpencil_curvemap_reset(custom_curve->cm, 3, GPCURVE_PRESET_INK);
+  /* Ink Pen Rough brush. */
+  brush = BLI_findstring(&bmain->brushes, "Ink Pen Rough", offsetof(ID, name) + 2);
+  if (brush == NULL) {
+    brush = BKE_brush_add_gpencil(bmain, ts, "Ink Pen Rough");
+  }
 
-  /* Ink Noise brush */
-  brush = BKE_brush_add_gpencil(bmain, ts, "Draw Noise");
   brush->size = 60.0f;
   brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
-  brush->gpencil_settings->draw_sensitivity = 1.0f;
 
   brush->gpencil_settings->draw_strength = 1.0f;
 
-  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_RANDOM;
-  brush->gpencil_settings->draw_random_press = 0.7f;
-  brush->gpencil_settings->draw_random_strength = 0.0f;
-
-  brush->gpencil_settings->draw_jitter = 0.0f;
-  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
-
+  brush->gpencil_settings->input_samples = 10;
+  brush->gpencil_settings->active_smooth = 0.5f;
   brush->gpencil_settings->draw_angle = 0.0f;
   brush->gpencil_settings->draw_angle_factor = 0.0f;
+  brush->gpencil_settings->gradient_f = 1.0f;
+  brush->gpencil_settings->gradient_s[0] = 1.0f;
+  brush->gpencil_settings->gradient_s[1] = 1.0f;
 
-  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS;
-  brush->gpencil_settings->draw_smoothfac = 0.1f;
+  brush->gpencil_settings->flag &= ~GP_BRUSH_GROUP_SETTINGS;
+  brush->gpencil_settings->draw_smoothfac = 0.0f;
   brush->gpencil_settings->draw_smoothlvl = 2;
-  brush->gpencil_settings->thick_smoothfac = 0.5f;
+  brush->gpencil_settings->thick_smoothfac = 0.0f;
   brush->gpencil_settings->thick_smoothlvl = 2;
-  brush->gpencil_settings->draw_subdivide = 1;
+  brush->gpencil_settings->draw_subdivide = 0;
   brush->gpencil_settings->draw_random_sub = 0.0f;
-  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_INKNOISE;
-  brush->gpencil_tool = GPAINT_TOOL_DRAW;
+  brush->gpencil_settings->simplify_f = 0.000f;
 
-  brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
-  brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
+  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_RANDOM;
+  brush->gpencil_settings->draw_random_press = 1.0f;
+  brush->gpencil_settings->draw_random_strength = 0.0f;
+  brush->gpencil_settings->draw_jitter = 0.0f;
+  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
+  brush->gpencil_settings->draw_sensitivity = 1.0f;
 
-  /* Curve */
+  /* Curve. */
   custom_curve = brush->gpencil_settings->curve_sensitivity;
   BKE_curvemapping_set_defaults(custom_curve, 0, 0.0f, 0.0f, 1.0f, 1.0f);
   BKE_curvemapping_initialize(custom_curve);
   brush_gpencil_curvemap_reset(custom_curve->cm, 3, GPCURVE_PRESET_INKNOISE);
 
-  brush->gpencil_settings->gradient_f = 1.0f;
-  brush->gpencil_settings->gradient_s[0] = 1.0f;
-  brush->gpencil_settings->gradient_s[1] = 1.0f;
-
-  /* Block Basic brush */
-  brush = BKE_brush_add_gpencil(bmain, ts, "Draw Block");
-  brush->size = 150.0f;
-  brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
-  brush->gpencil_settings->draw_sensitivity = 1.0f;
+  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_INKNOISE;
+  brush->gpencil_tool = GPAINT_TOOL_DRAW;
 
-  brush->gpencil_settings->draw_strength = 1.0f;
+  brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
+  brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
 
-  brush->gpencil_settings->draw_random_press = 0.0f;
+  /* Marker Bold brush. */
+  brush = BLI_findstring(&bmain->brushes, "Marker Bold", offsetof(ID, name) + 2);
+  if (brush == NULL) {
+    brush = BKE_brush_add_gpencil(bmain, ts, "Marker Bold");
+  }
+  brush->size = 150.0f;
+  brush->gpencil_settings->flag &= ~GP_BRUSH_USE_PRESSURE;
 
-  brush->gpencil_settings->draw_jitter = 0.0f;
-  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
+  brush->gpencil_settings->draw_strength = 0.3f;
 
+  brush->gpencil_settings->input_samples = 10;
+  brush->gpencil_settings->active_smooth = 0.6f;
   brush->gpencil_settings->draw_angle = 0.0f;
   brush->gpencil_settings->draw_angle_factor = 0.0f;
+  brush->gpencil_settings->gradient_f = 1.0f;
+  brush->gpencil_settings->gradient_s[0] = 1.0f;
+  brush->gpencil_settings->gradient_s[1] = 1.0f;
 
+  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS;
   brush->gpencil_settings->draw_smoothfac = 0.1f;
   brush->gpencil_settings->draw_smoothlvl = 1;
   brush->gpencil_settings->thick_smoothfac = 1.0f;
   brush->gpencil_settings->thick_smoothlvl = 3;
   brush->gpencil_settings->draw_subdivide = 0;
-  brush->gpencil_settings->draw_random_sub = 0;
-  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_BLOCK;
+  brush->gpencil_settings->draw_random_sub = 0.0f;
+  brush->gpencil_settings->simplify_f = 0.002f;
+
+  brush->gpencil_settings->flag &= ~GP_BRUSH_GROUP_RANDOM;
+  brush->gpencil_settings->draw_random_press = 0.0f;
+  brush->gpencil_settings->draw_random_strength = 0.0f;
+  brush->gpencil_settings->draw_jitter = 0.0f;
+  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
+  brush->gpencil_settings->draw_sensitivity = 1.0f;
+
+  /* Curve. */
+  custom_curve = brush->gpencil_settings->curve_sensitivity;
+  BKE_curvemapping_set_defaults(custom_curve, 0, 0.0f, 0.0f, 1.0f, 1.0f);
+  BKE_curvemapping_initialize(custom_curve);
+  brush_gpencil_curvemap_reset(custom_curve->cm, 4, GPCURVE_PRESET_MARKER);
+
+  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_MARKER;
   brush->gpencil_tool = GPAINT_TOOL_DRAW;
 
   brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
   brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
 
-  brush->gpencil_settings->gradient_f = 1.0f;
-  brush->gpencil_settings->gradient_s[0] = 1.0f;
-  brush->gpencil_settings->gradient_s[1] = 1.0f;
-
-  /* Marker brush */
-  brush = BKE_brush_add_gpencil(bmain, ts, "Draw Marker");
+  /* Marker Chisel brush. */
+  brush = BLI_findstring(&bmain->brushes, "Marker Chisel", offsetof(ID, name) + 2);
+  if (brush == NULL) {
+    brush = BKE_brush_add_gpencil(bmain, ts, "Marker Chisel");
+  }
   brush->size = 80.0f;
   brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
-  brush->gpencil_settings->draw_sensitivity = 1.0f;
 
   brush->gpencil_settings->draw_strength = 1.0f;
 
-  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_RANDOM;
-  brush->gpencil_settings->draw_random_press = 0.374f;
-  brush->gpencil_settings->draw_random_strength = 0.0f;
-
-  brush->gpencil_settings->draw_jitter = 0.0f;
-  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
-
+  brush->gpencil_settings->input_samples = 10;
+  brush->gpencil_settings->active_smooth = 0.5f;
   brush->gpencil_settings->draw_angle = DEG2RAD(20.0f);
   brush->gpencil_settings->draw_angle_factor = 1.0f;
+  brush->gpencil_settings->gradient_f = 1.0f;
+  brush->gpencil_settings->gradient_s[0] = 1.0f;
+  brush->gpencil_settings->gradient_s[1] = 1.0f;
 
   brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS;
-  brush->gpencil_settings->draw_smoothfac = 0.1f;
+  brush->gpencil_settings->draw_smoothfac = 0.0f;
   brush->gpencil_settings->draw_smoothlvl = 1;
   brush->gpencil_settings->thick_smoothfac = 1.0f;
   brush->gpencil_settings->thick_smoothlvl = 3;
-  brush->gpencil_settings->draw_subdivide = 1;
-  brush->gpencil_settings->draw_random_sub = 0.0f;
-  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_MARKER;
+  brush->gpencil_settings->draw_subdivide = 0;
+  brush->gpencil_settings->draw_random_sub = 0;
+  brush->gpencil_settings->simplify_f = 0.002f;
+
+  brush->gpencil_settings->flag &= ~GP_BRUSH_GROUP_RANDOM;
+  brush->gpencil_settings->draw_random_press = 0.0f;
+  brush->gpencil_settings->draw_jitter = 0.0f;
+  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
+  brush->gpencil_settings->draw_sensitivity = 1.0f;
+
+  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_CHISEL;
   brush->gpencil_tool = GPAINT_TOOL_DRAW;
 
   brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
   brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
-  /* Curve */
-  custom_curve = brush->gpencil_settings->curve_sensitivity;
-  BKE_curvemapping_set_defaults(custom_curve, 0, 0.0f, 0.0f, 1.0f, 1.0f);
-  BKE_curvemapping_initialize(custom_curve);
-  brush_gpencil_curvemap_reset(custom_curve->cm, 4, GPCURVE_PRESET_MARKER);
 
+  /* Pen brush. */
+  brush = BLI_findstring(&bmain->brushes, "Pen", offsetof(ID, name) + 2);
+  if (brush == NULL) {
+    brush = BKE_brush_add_gpencil(bmain, ts, "Pen");
+  }
+  brush->size = 30.0f;
+  brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
+
+  brush->gpencil_settings->draw_strength = 1.0f;
+  brush->gpencil_settings->flag |= GP_BRUSH_USE_STENGTH_PRESSURE;
+
+  brush->gpencil_settings->input_samples = 10;
+  brush->gpencil_settings->active_smooth = 0.3f;
+  brush->gpencil_settings->draw_angle = 0.0f;
+  brush->gpencil_settings->draw_angle_factor = 0.0f;
   brush->gpencil_settings->gradient_f = 1.0f;
   brush->gpencil_settings->gradient_s[0] = 1.0f;
   brush->gpencil_settings->gradient_s[1] = 1.0f;
 
-  /* Soft brush */
-  brush = BKE_brush_add_gpencil(bmain, ts, "Draw Soft");
-  deft = brush; /* save default brush */
-  brush->size = 300.0f;
-  brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
+  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS;
+  brush->gpencil_settings->draw_smoothfac = 0.0f;
+  brush->gpencil_settings->draw_smoothlvl = 1;
+  brush->gpencil_settings->thick_smoothfac = 1.0f;
+  brush->gpencil_settings->thick_smoothlvl = 1;
+  brush->gpencil_settings->draw_subdivide = 1;
+  brush->gpencil_settings->draw_random_sub = 0.0f;
+  brush->gpencil_settings->simplify_f = 0.002f;
+
+  brush->gpencil_settings->draw_random_press = 0.0f;
+  brush->gpencil_settings->draw_random_strength = 0.0f;
+  brush->gpencil_settings->draw_jitter = 0.0f;
+  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
   brush->gpencil_settings->draw_sensitivity = 1.0f;
 
+  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_PEN;
+  brush->gpencil_tool = GPAINT_TOOL_DRAW;
+
+  brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
+  brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
+
+  /* Pencil Soft brush. */
+  brush = BLI_findstring(&bmain->brushes, "Pencil Soft", offsetof(ID, name) + 2);
+  if (brush == NULL) {
+    brush = BKE_brush_add_gpencil(bmain, ts, "Pencil Soft");
+  }
+
+  brush->size = 80.0f;
+  brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
+
   brush->gpencil_settings->draw_strength = 0.4f;
   brush->gpencil_settings->flag |= GP_BRUSH_USE_STENGTH_PRESSURE;
 
+  brush->gpencil_settings->input_samples = 10;
+  brush->gpencil_settings->active_smooth = 0.64f;
+  brush->gpencil_settings->draw_angle = 0.0f;
+  brush->gpencil_settings->draw_angle_factor = 0.0f;
+  brush->gpencil_settings->gradient_f = 0.8f;
+  brush->gpencil_settings->gradient_s[0] = 1.0f;
+  brush->gpencil_settings->gradient_s[1] = 1.0f;
+
+  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS;
+  brush->gpencil_settings->draw_smoothfac = 0.0f;
+  brush->gpencil_settings->draw_smoothlvl = 1;
+  brush->gpencil_settings->thick_smoothfac = 1.0f;
+  brush->gpencil_settings->thick_smoothlvl = 3;
+  brush->gpencil_settings->draw_subdivide = 0;
+  brush->gpencil_settings->draw_random_sub = 0.0f;
+  brush->gpencil_settings->simplify_f = 0.000f;
+
   brush->gpencil_settings->draw_random_press = 0.0f;
   brush->gpencil_settings->draw_random_strength = 0.0f;
-
   brush->gpencil_settings->draw_jitter = 0.0f;
   brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
+  brush->gpencil_settings->draw_sensitivity = 1.0f;
+
+  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_PENCIL;
+  brush->gpencil_tool = GPAINT_TOOL_DRAW;
+
+  brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
+  brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
+
+  /* Pencil brush. */
+  brush = BLI_findstring(&bmain->brushes, "Pencil", offsetof(ID, name) + 2);
+  if (brush == NULL) {
+    brush = BKE_brush_add_gpencil(bmain, ts, "Pencil");
+  }
+  deft = brush; /* save default brush. */
+
+  brush->size = 25.0f;
+  brush->gpencil_settings->flag |= (GP_BRUSH_USE_PRESSURE | GP_BRUSH_ENABLE_CURSOR);
 
+  brush->gpencil_settings->draw_strength = 0.6f;
+  brush->gpencil_settings->flag |= GP_BRUSH_USE_STENGTH_PRESSURE;
+
+  brush->gpencil_settings->input_samples = 10;
+  brush->gpencil_settings->active_smooth = 0.55f;
   brush->gpencil_settings->draw_angle = 0.0f;
   brush->gpencil_settings->draw_angle_factor = 0.0f;
+  brush->gpencil_settings->gradient_f = 1.0f;
+  brush->gpencil_settings->gradient_s[0] = 1.0f;
+  brush->gpencil_settings->gradient_s[1] = 1.0f;
 
-  brush->gpencil_settings->input_samples = 10;
-  brush->gpencil_settings->active_smooth = 0.98f;
-  brush->gpencil_settings->draw_smoothfac = 0.1f;
+  brush->gpencil_settings->flag |= GP_BRUSH_GROUP_SETTINGS;
+  brush->gpencil_settings->draw_smoothfac = 0.0f;
   brush->gpencil_settings->draw_smoothlvl = 1;
-  brush->gpencil_settings->draw_subdivide = 1;
   brush->gpencil_settings->thick_smoothfac = 1.0f;
   brush->gpencil_settings->thick_smoothlvl = 3;
+  brush->gpencil_settings->draw_subdivide = 0;
   brush->gpencil_settings->draw_random_sub = 0.0f;
-  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_MARKER;
+  brush->gpencil_settings->simplify_f = 0.002f;
+
+  brush->gpencil_settings->draw_random_press = 0.0f;
+  brush->gpencil_settings->draw_jitter = 0.0f;
+  brush->gpencil_settings->flag |= GP_BRUSH_USE_JITTER_PRESSURE;
+  brush->gpencil_settings->draw_sensitivity = 1.0f;
+
+  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_PENCIL;
   brush->gpencil_tool = GPAINT_TOOL_DRAW;
 
   brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
   brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
 
-  brush->gpencil_settings->gradient_f = 0.211f;
-  brush->gpencil_settings->gradient_s[0] = 1.0f;
-  brush->gpencil_settings->gradient_s[1] = 0.91f;
-
-  /* Fill brush */
+  /* Fill brush. */
   brush = BKE_brush_add_gpencil(bmain, ts, "Fill Area");
   brush->size = 20.0f;
   brush->gpencil_settings->flag |= GP_BRUSH_ENABLE_CURSOR;
-  brush->gpencil_settings->draw_sensitivity = 1.0f;
+
   brush->gpencil_settings->fill_leak = 3;
   brush->gpencil_settings->fill_threshold = 0.1f;
   brush->gpencil_settings->fill_simplylvl = 1;
   brush->gpencil_settings->fill_factor = 1;
-  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_FILL;
-  brush->gpencil_tool = GPAINT_TOOL_FILL;
 
+  brush->gpencil_settings->draw_strength = 1.0f;
+  brush->gpencil_settings->gradient_f = 1.0f;
+  brush->gpencil_settings->gradient_s[0] = 1.0f;
+  brush->gpencil_settings->gradient_s[1] = 1.0f;
   brush->gpencil_settings->draw_smoothfac = 0.1f;
   brush->gpencil_settings->draw_smoothlvl = 1;
   brush->gpencil_settings->thick_smoothfac = 1.0f;
   brush->gpencil_settings->thick_smoothlvl = 3;
   brush->gpencil_settings->draw_subdivide = 1;
 
-  brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
-  brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
+  brush->gpencil_settings->draw_sensitivity = 1.0f;
 
-  brush->gpencil_settings->draw_strength = 1.0f;
+  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_FILL;
+  brush->gpencil_tool = GPAINT_TOOL_FILL;
 
-  brush->gpencil_settings->gradient_f = 1.0f;
-  brush->gpencil_settings->gradient_s[0] = 1.0f;
-  brush->gpencil_settings->gradient_s[1] = 1.0f;
+  brush->smooth_stroke_radius = SMOOTH_STROKE_RADIUS;
+  brush->smooth_stroke_factor = SMOOTH_STROKE_FACTOR;
 
-  /* Soft Eraser brush */
+  /* Soft Eraser brush. */
   brush = BKE_brush_add_gpencil(bmain, ts, "Eraser Soft");
   brush->size = 30.0f;
   brush->gpencil_settings->draw_strength = 0.5f;
@@ -551,34 +630,37 @@ void BKE_brush_gpencil_presets(bContext *C)
   brush->gpencil_settings->era_strength_f = 100.0f;
   brush->gpencil_settings->era_thickness_f = 10.0f;
 
-  /* Hard Eraser brush */
+  /* Hard Eraser brush. */
   brush = BKE_brush_add_gpencil(bmain, ts, "Eraser Hard");
   brush->size = 30.0f;
   brush->gpencil_settings->draw_strength = 1.0f;
   brush->gpencil_settings->flag |= (GP_BRUSH_ENABLE_CURSOR | GP_BRUSH_DEFAULT_ERASER);
-  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_ERASE_HARD;
-  brush->gpencil_tool = GPAINT_TOOL_ERASE;
   brush->gpencil_settings->eraser_mode = GP_BRUSH_ERASER_SOFT;
   brush->gpencil_settings->era_strength_f = 100.0f;
   brush->gpencil_settings->era_thickness_f = 50.0f;
 
-  /* Point Eraser brush */
+  brush->gpencil_settings->icon_id = GP_BRUSH_ICON_ERASE_HARD;
+  brush->gpencil_tool = GPAINT_TOOL_ERASE;
+
+  /* Point Eraser brush. */
   brush = BKE_brush_add_gpencil(bmain, ts, "Eraser Point");
   brush->size = 30.0f;
   brush->gpencil_settings->flag |= GP_BRUSH_ENABLE_CURSOR;
+  brush->gpencil_settings->eraser_mode = GP_BRUSH_ERASER_HARD;
+
   brush->gpencil_settings->icon_id = GP_BRUSH_ICON_ERASE_HARD;
   brush->gpencil_tool = GPAINT_TOOL_ERASE;
-  brush->gpencil_settings->eraser_mode = GP_BRUSH_ERASER_HARD;
 
-  /* Stroke Eraser brush */
+  /* Stroke Eraser brush. */
   brush = BKE_brush_add_gpencil(bmain, ts, "Eraser Stroke");
   brush->size = 30.0f;
   brush->gpencil_settings->flag |= GP_BRUSH_ENABLE_CURSOR;
+  brush->gpencil_settings->eraser_mode = GP_BRUSH_ERASER_STROKE;
+
   brush->gpencil_settings->icon_id = GP_BRUSH_ICON_ERASE_STROKE;
   brush->gpencil_tool = GPAINT_TOOL_ERASE;
-  brush->gpencil_settings->eraser_mode = GP_BRUSH_ERASER_STROKE;
 
-  /* set default brush */
+  /* set default brush. */
   BKE_paint_brush_set(paint, deft);
 }
 
diff --git a/source/blender/blenloader/intern/versioning_defaults.c b/source/blender/blenloader/intern/versioning_defaults.c
index 7da2272ce14..7bae0ede55b 100644
--- a/source/blender/blenloader/intern/versioning_defaults.c
+++ b/source/blender/blenloader/intern/versioning_defaults.c
@@ -47,6 +47,7 @@
 #include "BKE_library.h"
 #include "BKE_main.h"
 #include "BKE_node.h"
+#include "BKE_paint.h"
 #include "BKE_screen.h"
 #include "BKE_workspace.h"
 
@@ -357,6 +358,12 @@ void BLO_update_defaults_startup_blend(Main *bmain, const char *app_template)
       scene->audio.flag &= ~AUDIO_SYNC;
       scene->flag &= ~SCE_FRAME_DROP;
     }
+
+    /* Change default selection mode for Grease Pencil. */
+    if (app_template && STREQ(app_template, "2D_Animation")) {
+      ToolSettings *ts = scene->toolsettings;
+      ts->gpencil_selectmode_edit = GP_SELECTMODE_STROKE;
+    }
   }
 
   /* Objects */
@@ -464,4 +471,69 @@ void BLO_update_defaults_startup_blend(Main *bmain, const char *app_template)
       }
     }
   }
+
+  if (app_template && STREQ(app_template, "2D_Animation")) {
+    /* Update Grease Pencil brushes. */
+    Brush *brush;
+
+    /* Pencil brush. */
+    brush = BLI_findstring(&bmain->brushes, "Draw Pencil", offsetof(ID, name) + 2);
+    if (brush) {
+      /* Change brush name. */
+      rename_id_for_versioning(bmain, ID_BR, "Draw Pencil", "Pencil");
+    }
+
+    /* Pen brush. */
+    brush = BLI_findstring(&bmain->brushes, "Draw Pen", offsetof(ID, name) + 2);
+    if (brush) {
+      /* Change brush name. */
+      rename_id_for_versioning(bmain, ID_BR, "Draw Pen", "Pen");
+    }
+
+    /* Pen Soft brush. */
+    brush = BLI_findstring(&bmain->brushes, "Draw Soft", offsetof(ID, name) + 2);
+    if (brush) {
+      brush->gpencil_settings->icon_id = GP_BRUSH_ICON_PEN;
+      /* Change brush name. */
+      rename_id_for_versioning(bmain, ID_BR, "Draw Soft", "Pencil Soft");
+    }
+
+    /* Ink Pen brush. */
+    brush = BLI_findstring(&bmain->brushes, "Draw Ink", offsetof(ID, name) + 2);
+    if (brush) {
+      /* Change brush name. */
+      rename_id_for_versioning(bmain, ID_BR, "Draw Ink", "Ink Pen");
+    }
+
+    /* Ink Pen Rough brush. */
+    brush = BLI_findstring(&bmain->brushes, "Draw Noise", offsetof(ID, name) + 2);
+    if (brush) {
+      /* Change brush name. */
+      rename_id_for_versioning(bmain, ID_BR, "Draw Noise", "Ink Pen Rough");
+    }
+
+    /* Marker Bold brush. */
+    brush = BLI_findstring(&bmain->brushes, "Draw Marker", offsetof(ID, name) + 2);
+    if (brush) {
+      /* Change brush name. */
+      rename_id_for_versioning(bmain, ID_BR, "Draw Marker", "Marker Bold");
+    }
+
+    /* Marker Chisel brush. */
+    brush = BLI_findstring(&bmain->brushes, "Draw Block", offsetof(ID, name) + 2);
+    if (brush) {
+      /* Change brush name. */
+      rename_id_for_versioning(bmain, ID_BR, "Draw Block", "Marker Chisel");
+    }
+
+    /* Remove useless Fill Area.001 brush. */
+    brush = BLI_findstring(&bmain->brushes, "Fill Area.001", offsetof(ID, name) + 2);
+    if (brush) {
+      BKE_id_delete(bmain, brush);
+    }
+
+    /* Reset all grease pencil brushes. */
+    Scene *scene = bmain->scenes.first;
+    BKE_brush_gpencil_presets(bmain, scene->toolsettings);
+  }
 }
diff --git a/source/blender/editors/gpencil/gpencil_data.c b/source/blender/editors/gpencil/gpencil_data.c
index fdbbd899366..67ffc6adc9f 100644
--- a/source/blender/editors/gpencil/gpencil_data.c
+++ b/source/blender/editors/gpencil/gpencil_data.c
@@ -1580,7 +1580,9 @@ void GPENCIL_OT_stroke_lock_color(wmOperatorType *ot)
 /* ******************* Brush create presets ************************** */
 static int gp_brush_presets_create_exec(bContext *C, wmOperator *UNUSED(op))
 {
-  BKE_brush_gpencil_presets(C);
+  Main *bmain = CTX_data_main(C);
+  ToolSettings *ts = CTX_data_tool_settings(C);
+  BKE_brush_gpencil_presets(bmain, ts);
 
   /* notifiers */
   WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | NA_EDITED, NULL);
diff --git a/source/blender/editors/gpencil/gpencil_edit.c b/source/blender/editors/gpencil/gpencil_edit.c
index 2aea1084ad6..c4f18c60f4d 100644
--- a/source/blender/editors/gpencil/gpencil_edit.c
+++ b/source/blender/editors/gpencil/gpencil_edit.c
@@ -355,7 +355,7 @@ static int gpencil_paintmode_toggle_exec(bContext *C, wmOperator *op)
     Paint *paint = &ts->gp_paint->paint;
     /* if not exist, create a new one */
     if ((paint->brush == NULL) || (paint->brush->gpencil_settings == NULL)) {
-      BKE_brush_gpencil_presets(C);
+      BKE_brush_gpencil_presets(bmain, ts);
     }
     BKE_paint_toolslots_brush_validate(bmain, &ts->gp_paint->paint);
   }
diff --git a/source/blender/editors/gpencil/gpencil_merge.c b/source/blender/editors/gpencil/gpencil_merge.c
index 930911ffac5..36cef3ccdc0 100644
--- a/source/blender/editors/gpencil/gpencil_merge.c
+++ b/source/blender/editors/gpencil/gpencil_merge.c
@@ -35,6 +35,7 @@
 #include "BKE_brush.h"
 #include "BKE_context.h"
 #include "BKE_gpencil.h"
+#include "BKE_main.h"
 #include "BKE_material.h"
 
 #include "WM_api.h"
@@ -97,6 +98,7 @@ static void gpencil_insert_points_to_stroke(bGPDstroke *gps,
 
 static bGPDstroke *gpencil_prepare_stroke(bContext *C, wmOperator *op, int totpoints)
 {
+  Main *bmain = CTX_data_main(C);
   ToolSettings *ts = CTX_data_tool_settings(C);
   Object *ob = CTX_data_active_object(C);
   bGPDlayer *gpl = CTX_data_active_gpencil_layer(C);
@@ -111,7 +113,7 @@ static bGPDstroke *gpencil_prepare_stroke(bContext *C, wmOperator *op, int totpo
   /* if not exist, create a new one */
   if ((paint->brush == NULL) || (paint->brush->gpencil_settings == NULL)) {
     /* create new brushes */
-    BKE_brush_gpencil_presets(C);
+    BKE_brush_gpencil_presets(bmain, ts);
   }
   Brush *brush = paint->brush;
 
diff --git a/source/blender/editors/gpencil/gpencil_paint.c b/source/blender/editors/gpencil/gpencil_paint.c
index d8f1663a6c1..f29e782c618 100644
--- a/source/blender/editors/gpencil/gpencil_paint.c
+++ b/source/blender/editors/gpencil/gpencil_paint.c
@@ -2012,6 +2012,7 @@ static void gp_set_default_eraser(Main *bmain, Brush *brush_dft)
 /* initialize a drawing brush */
 static void gp_init_drawing_brush(bContext *C, tGPsdata *p)
 {
+  Main *bmain = CTX_data_main(C);
   Scene *scene = CTX_data_scene(C);
   ToolSettings *ts = CTX_data_tool_settings(C);
 
@@ -2020,7 +2021,7 @@ static void gp_init_drawing_brush(bContext *C, tGPsdata *p)
   /* if not exist, create a new one */
   if ((paint->brush == NULL) || (paint->brush->gpencil_settings == NULL)) {
     /* create new brushes */
-    BKE_brush_gpencil_presets(C);
+    BKE_brush_gpencil_presets(bmain, ts);
     changed = true;
   }
   /* be sure curves are initializated */
diff --git a/source/blender/editors/gpencil/gpencil_primitive.c b/source/blender/editors/gpencil/gpencil_primitive.c
index e5b1a82630b..c42c1c4d4c0 100644
--- a/source/blender/editors/gpencil/gpencil_primitive.c
+++ b/source/blender/editors/gpencil/gpencil_primitive.c
@@ -1134,7 +1134,7 @@ static void gpencil_primitive_init(bContext *C, wmOperator *op)
 
   /* if brush doesn't exist, create a new set (fix damaged files from old versions) */
   if ((paint->brush == NULL) || (paint->brush->gpencil_settings == NULL)) {
-    BKE_brush_gpencil_presets(C);
+    BKE_brush_gpencil_presets(bmain, ts);
   }
 
   /* Set Draw brush. */
diff --git a/source/blender/editors/gpencil/gpencil_utils.c b/source/blender/editors/gpencil/gpencil_utils.c
index 89a2a987f60..b194d28a8b8 100644
--- a/source/blender/editors/gpencil/gpencil_utils.c
+++ b/source/blender/editors/gpencil/gpencil_utils.c
@@ -1391,7 +1391,7 @@ void ED_gpencil_add_defaults(bContext *C, Object *ob)
   /* if not exist, create a new one */
   if ((paint->brush == NULL) || (paint->brush->gpencil_settings == NULL)) {
     /* create new brushes */
-    BKE_brush_gpencil_presets(C);
+    BKE_brush_gpencil_presets(bmain, ts);
   }
 
   /* ensure a color exists and is assigned to object */