GP: Improve errase panel and toolbars

Some names were not clear enough and some parameters were missing.

4 files changed, 18 insertions, 11 deletions

diff --git a/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py b/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py
index 4d7e1d47a59..382944de456 100644
--- a/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py
+++ b/release/scripts/startup/bl_ui/space_toolsystem_toolbar.py
@@ -1239,8 +1239,13 @@ class _defs_gpencil_paint:
             gp_settings = brush.gpencil_settings
 
             if gp_settings.gpencil_brush_type == 'ERASE':
-                row = layout.row()
+                row = layout.row(align=True)
                 row.prop(brush, "size", text="Radius")
+                row.prop(gp_settings, "use_pressure", text="", icon='STYLUS_PRESSURE')
+                if gp_settings.eraser_mode == 'SOFT':
+                    row = layout.row(align=True)
+                    row.prop(gp_settings, "pen_strength", slider=True)
+                    row.prop(gp_settings, "use_strength_pressure", text="", icon='STYLUS_PRESSURE')
             elif gp_settings.gpencil_brush_type == 'FILL':
                 row = layout.row()
                 row.prop(gp_settings, "gpencil_fill_leak", text="Leak Size")
diff --git a/source/blender/blenloader/intern/versioning_280.c b/source/blender/blenloader/intern/versioning_280.c
index e763f234f2e..f065e36d19a 100644
--- a/source/blender/blenloader/intern/versioning_280.c
+++ b/source/blender/blenloader/intern/versioning_280.c
@@ -1948,8 +1948,8 @@ void blo_do_versions_280(FileData *fd, Library *UNUSED(lib), Main *bmain)
 				if (brush->gpencil_settings != NULL) {
 					BrushGpencilSettings *gp = brush->gpencil_settings;
 					if (gp->brush_type == GP_BRUSH_TYPE_ERASE) {
-						gp->era_strength_f = 1.0f;
-						gp->era_thickness_f = 0.1f;
+						gp->era_strength_f = 100.0f;
+						gp->era_thickness_f = 10.0f;
 					}
 				}
 			}
diff --git a/source/blender/editors/gpencil/gpencil_paint.c b/source/blender/editors/gpencil/gpencil_paint.c
index e8b4d1088df..93c987a4ee8 100644
--- a/source/blender/editors/gpencil/gpencil_paint.c
+++ b/source/blender/editors/gpencil/gpencil_paint.c
@@ -1532,8 +1532,8 @@ static void gp_stroke_eraser_dostroke(tGPsdata *p,
 
 						/* Adjust strength if the eraser is soft */
 						if (eraser->gpencil_settings->eraser_mode == GP_BRUSH_ERASER_SOFT) {
-							float f_strength = eraser->gpencil_settings->era_strength_f;
-							float f_thickness = eraser->gpencil_settings->era_thickness_f;
+							float f_strength = eraser->gpencil_settings->era_strength_f / 100.0f;
+							float f_thickness = eraser->gpencil_settings->era_thickness_f / 100.0f;
 
 							if (pt0) {
 								pt0->strength -= gp_stroke_eraser_calc_influence(p, mval, radius, pc0) * strength * f_strength * 0.5f;
diff --git a/source/blender/makesrna/intern/rna_brush.c b/source/blender/makesrna/intern/rna_brush.c
index 00209accee7..7eacf6845ea 100644
--- a/source/blender/makesrna/intern/rna_brush.c
+++ b/source/blender/makesrna/intern/rna_brush.c
@@ -1163,18 +1163,20 @@ static void rna_def_gpencil_options(BlenderRNA *brna)
 	RNA_def_parameter_clear_flags(prop, PROP_ANIMATABLE, 0);
 	RNA_def_property_update(prop, NC_GPENCIL | ND_DATA, NULL);
 
-	prop = RNA_def_property(srna, "eraser_strength_factor", PROP_FLOAT, PROP_NONE);
+	prop = RNA_def_property(srna, "eraser_strength_factor", PROP_FLOAT, PROP_PERCENTAGE);
 	RNA_def_property_float_sdna(prop, NULL, "era_strength_f");
-	RNA_def_property_range(prop, 0.0f, 1.0f);
-	RNA_def_property_ui_text(prop, "Strength Factor",
+	RNA_def_property_range(prop, 0.0, 100.0);
+	RNA_def_property_ui_range(prop, 0.0, 100.0, 10, 1);
+	RNA_def_property_ui_text(prop, "Affect Stroke Strength",
 		"Amount of erasing for strength ");
 	RNA_def_parameter_clear_flags(prop, PROP_ANIMATABLE, 0);
 	RNA_def_property_update(prop, NC_GPENCIL | ND_DATA, NULL);
 
-	prop = RNA_def_property(srna, "eraser_thickness_factor", PROP_FLOAT, PROP_NONE);
+	prop = RNA_def_property(srna, "eraser_thickness_factor", PROP_FLOAT, PROP_PERCENTAGE);
 	RNA_def_property_float_sdna(prop, NULL, "era_thickness_f");
-	RNA_def_property_range(prop, 0.0f, 1.0f);
-	RNA_def_property_ui_text(prop, "Thickness Factor",
+	RNA_def_property_range(prop, 0.0, 100.0);
+	RNA_def_property_ui_range(prop, 0.0, 100.0, 10, 1);
+	RNA_def_property_ui_text(prop, "Affect Stroke Thickness",
 		"Amount of erasing for thickness ");
 	RNA_def_parameter_clear_flags(prop, PROP_ANIMATABLE, 0);
 	RNA_def_property_update(prop, NC_GPENCIL | ND_DATA, NULL);