Cleanup: rename old -> versioning

The term 'old' isn't very meaningful, follow naming for existing
code that updates data.

1 files changed, 210 insertions, 0 deletions

diff --git a/source/blender/editors/gpencil/gpencil_ops_versioning.c b/source/blender/editors/gpencil/gpencil_ops_versioning.c
new file mode 100644
index 00000000000..f4e1b9aa83d
--- /dev/null
+++ b/source/blender/editors/gpencil/gpencil_ops_versioning.c
@@ -0,0 +1,210 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2018, Blender Foundation,
+ * This is a new part of Blender
+ * Use deprecated data to convert old 2.7x files
+ */
+
+/** \file
+ * \ingroup edgpencil
+ */
+
+ /* allow to use deprecated functionality */
+#define DNA_DEPRECATED_ALLOW
+
+#include <stdio.h>
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_listbase.h"
+#include "BLI_math.h"
+
+#include "DNA_gpencil_types.h"
+#include "DNA_meshdata_types.h"
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+
+#include "BKE_main.h"
+#include "BKE_brush.h"
+#include "BKE_context.h"
+#include "BKE_deform.h"
+#include "BKE_gpencil.h"
+#include "BKE_object.h"
+#include "BKE_material.h"
+
+#include "WM_api.h"
+#include "WM_types.h"
+
+#include "RNA_access.h"
+#include "RNA_define.h"
+
+#include "ED_object.h"
+#include "ED_gpencil.h"
+
+#include "gpencil_intern.h"
+
+ /* Free all of a gp-colors */
+static void free_gpencil_colors(bGPDpalette *palette)
+{
+	/* error checking */
+	if (palette == NULL) {
+		return;
+	}
+
+	/* free colors */
+	BLI_freelistN(&palette->colors);
+}
+
+/* Free all of the gp-palettes and colors */
+static void free_palettes(ListBase *list)
+{
+	bGPDpalette *palette_next;
+
+	/* error checking */
+	if (list == NULL) {
+		return;
+	}
+
+	/* delete palettes */
+	for (bGPDpalette *palette = list->first; palette; palette = palette_next) {
+		palette_next = palette->next;
+		/* free palette colors */
+		free_gpencil_colors(palette);
+
+		MEM_freeN(palette);
+	}
+	BLI_listbase_clear(list);
+}
+
+/* ***************** Convert old 2.7 files to 2.8 ************************ */
+static bool gpencil_convert_old_files_poll(bContext *C)
+{
+	Scene *scene = CTX_data_scene(C);
+
+	return (int) (scene->gpd != NULL);
+}
+
+static int gpencil_convert_old_files_exec(bContext *C, wmOperator *op)
+{
+	Main *bmain = CTX_data_main(C);
+	Scene *scene = CTX_data_scene(C);
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	const bool is_annotation = RNA_boolean_get(op->ptr, "annotation");
+	bGPdata *gpd = scene->gpd;
+
+	/* Convert grease pencil scene datablock to GP object */
+	if ((!is_annotation) && (view_layer != NULL)) {
+		Object *ob;
+		ob = BKE_object_add_for_data(bmain, view_layer, OB_GPENCIL, "GP_Scene", &scene->gpd->id, false);
+		zero_v3(ob->loc);
+
+		/* convert grease pencil palettes (version >= 2.78)  to materials and weights */
+		for (const bGPDpalette *palette = gpd->palettes.first; palette; palette = palette->next) {
+			for (bGPDpalettecolor *palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {
+
+				/* create material slot */
+				Material *ma = BKE_gpencil_object_material_new(bmain, ob, palcolor->info, NULL);
+
+				/* copy color settings */
+				MaterialGPencilStyle *gp_style = ma->gp_style;
+				copy_v4_v4(gp_style->stroke_rgba, palcolor->color);
+				copy_v4_v4(gp_style->fill_rgba, palcolor->fill);
+
+				/* set basic settings */
+				gp_style->pattern_gridsize = 0.1f;
+				gp_style->gradient_radius = 0.5f;
+				ARRAY_SET_ITEMS(gp_style->mix_rgba, 1.0f, 1.0f, 1.0f, 0.2f);
+				ARRAY_SET_ITEMS(gp_style->gradient_scale, 1.0f, 1.0f);
+				ARRAY_SET_ITEMS(gp_style->texture_scale, 1.0f, 1.0f);
+				gp_style->texture_opacity = 1.0f;
+				gp_style->texture_pixsize = 100.0f;
+
+				gp_style->flag |= GP_STYLE_STROKE_SHOW;
+				gp_style->flag |= GP_STYLE_FILL_SHOW;
+
+				/* fix strokes */
+				for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
+					for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) {
+						for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {
+							if ((gps->colorname[0] != '\0') &&
+							    (STREQ(gps->colorname, palcolor->info)))
+							{
+								gps->mat_nr = ob->totcol - 1;
+								gps->colorname[0] = '\0';
+								/* weights array */
+								gps->dvert = NULL;
+							}
+						}
+					}
+				}
+			}
+		}
+
+		/* free palettes */
+		free_palettes(&gpd->palettes);
+
+		/* disable all GP modes */
+		ED_gpencil_setup_modes(C, gpd, 0);
+
+		/* set cache as dirty */
+		BKE_gpencil_batch_cache_dirty_tag(ob->data);
+
+		scene->gpd = NULL;
+	}
+
+	if (is_annotation) {
+		for (const bGPDpalette *palette = gpd->palettes.first; palette; palette = palette->next) {
+			for (bGPDpalettecolor *palcolor = palette->colors.first; palcolor; palcolor = palcolor->next) {
+				/* fix layers */
+				for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
+					for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) {
+						for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) {
+							if ((gps->colorname[0] != '\0') &&
+							    (STREQ(gps->colorname, palcolor->info)))
+							{
+								/* copy color settings */
+								copy_v4_v4(gpl->color, palcolor->color);
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	/* notifiers */
+	WM_event_add_notifier(C, NC_GPENCIL | ND_DATA | NA_EDITED, NULL);
+
+	return OPERATOR_FINISHED;
+}
+
+void GPENCIL_OT_convert_old_files(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Convert Grease Pencil";
+	ot->idname = "GPENCIL_OT_convert_old_files";
+	ot->description = "Convert 2.7x grease pencil files to 2.80";
+
+	/* callbacks */
+	ot->exec = gpencil_convert_old_files_exec;
+	ot->poll = gpencil_convert_old_files_poll;
+
+	/* flags */
+	ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+	/* props */
+	ot->prop = RNA_def_boolean(ot->srna, "annotation", 0, "Annotation", "Convert to Annotations");
+}