Differential D13303 Diff 45857 source/blender/editors/uvedit/uvedit_texturemargin.c

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source/blender/editors/uvedit/uvedit_texturemargin.c

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				/*
				* 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) 2008 Blender Foundation.
				* All rights reserved.
				*/

				/** \file
				* \ingroup edrend
				*/

				#include "BKE_customdata.h"
				#include "BKE_image.h"
				#include "BKE_report.h"
				#include "BKE_scene.h"
				#include "BKE_screen.h"

				#include "DEG_depsgraph.h"

				#include "DNA_mesh_types.h"
				#include "DNA_meshdata_types.h"
				#include "DNA_scene_types.h"

				#include "ED_image.h"
				#include "ED_render.h"
				#include "ED_space_api.h"
				#include "ED_uvedit.h"

				#include "IMB_imbuf.h"
				#include "IMB_imbuf_types.h"

				#include "MEM_guardedalloc.h"

				#include "RE_pipeline.h"
				#include "RE_texture_margin.h"

				#include "RNA_access.h"
				#include "RNA_define.h"

				#include "WM_api.h"
				#include "WM_types.h"

				#include "uvedit_intern.h"

				static int texture_margin(Object const *ob,
				int margin,
				Mesh const *me,
				MLoopUV const *mloopuv,
				Image *image,
				wmOperator *op)
				{
				ImBuf *ibuf;
				int ret = OPERATOR_CANCELLED;
				void *lock;
				ibuf = BKE_image_acquire_ibuf(image, NULL, &lock);

				if (ibuf) {
				RE_generate_texturemargin_copypixels(ibuf, NULL, margin, me, mloopuv);
				ibuf->userflags \|= IB_DISPLAY_BUFFER_INVALID;
				BKE_image_mark_dirty(image, ibuf);

				if (ibuf->rect_float) {
				ibuf->userflags \|= IB_RECT_INVALID;
				}

				/* force mipmap recalc */
				if (ibuf->mipmap[0]) {
				ibuf->userflags \|= IB_MIPMAP_INVALID;
				imb_freemipmapImBuf(ibuf);
				}
				BKE_image_release_ibuf(image, ibuf, lock);

				/* force GPU texture update */
				BKE_image_free_gputextures(image);
				DEG_id_tag_update(&image->id, 0);

				ret = OPERATOR_FINISHED;
				}
				else {
				BKE_reportf(op->reports,
				RPT_ERROR,
				"Uninitialized image \"%s\" from object \"%s\"",
				image->id.name + 2,
				ob->id.name + 2);
				BKE_image_release_ibuf(image, ibuf, lock);
				}

				return ret;
				}

				static int texture_margin_exec(bContext C, wmOperator op)
				{
				Scene *scene = CTX_data_scene(C);
				SpaceImage *sima = CTX_wm_space_image(C);

				int margin = RNA_int_get(op->ptr, "margin");

				if (margin < 0) {
				margin = scene->r.bake.margin;
				}

				if (margin == 0) {
				BKE_reportf(op->reports, RPT_ERROR, "Generating a margin of 0 pixels does nothing!");
				return OPERATOR_CANCELLED;
				}

				Object *ob = CTX_data_active_object(C);

				if (!ob) {
				BKE_reportf(op->reports, RPT_ERROR, "No valid selected object!");
				return OPERATOR_CANCELLED;
				}

				if (ob->type != OB_MESH) {
				BKE_reportf(op->reports, RPT_ERROR, "Can only generate texture borders for Mesh objects!");

				return OPERATOR_CANCELLED;
				}

				struct Mesh me = (Mesh )ob->data;

				char *uv_layer = RNA_string_get_alloc(op->ptr, "uv_layer", NULL, 0, 0);
				const MLoopUV *mloopuv;
				if ((uv_layer == NULL) \|\| (uv_layer[0] == '\0')) {
				/* TODO: look up uv layer from material nodetree. */
				mloopuv = CustomData_get_layer(&me->ldata, CD_MLOOPUV);
				}
				else {
				int uv_id = CustomData_get_named_layer(&me->ldata, CD_MLOOPUV, uv_layer);
				mloopuv = CustomData_get_layer_n(&me->ldata, CD_MLOOPUV, uv_id);
				}

				if (mloopuv == NULL) {
				if (uv_layer) {
				MEM_freeN(uv_layer);
				}
				BKE_reportf(op->reports, RPT_ERROR, "No valid UV-map!");
				return OPERATOR_CANCELLED;
				}

				int ret = OPERATOR_CANCELLED;

				if (sima) {
				if (sima->image) {
				ret = texture_margin(ob, margin, me, mloopuv, sima->image, op);
				}
				else {
				BKE_reportf(op->reports, RPT_ERROR, "No image loaded.");
				}
				}
				else {
				for (int i = 0; i < ob->totcol; i++) {
				int mat_nr = i + 1;
				Image *image;

				ED_object_get_active_image(ob, mat_nr, &image, NULL, NULL, NULL);

				if (image) {
				ret = texture_margin(ob, margin, me, mloopuv, image, op);
				if (ret == OPERATOR_CANCELLED) {
				break;
				}
				}
				}
				}
				if (uv_layer) {
				MEM_freeN(uv_layer);
				}

				WM_event_add_notifier(C, NC_SCENE \| ND_RENDER_RESULT, scene);

				return ret;
				}

				void TEXTURE_OT_margin_copypixels(wmOperatorType *ot)
				{
				PropertyRNA *prop;

				/* identifiers */
				ot->name = "Margin";
				ot->description = "Generate texture margin based on the UV-map and existing texture data";
				ot->idname = "RENDER_OT_margin_copypixels";

				/* api callbacks */
				// ot->invoke = screen_render_invoke;
				// ot->modal = screen_render_modal;
				// ot->cancel = screen_render_cancel;
				ot->exec = texture_margin_exec;
				// ot->poll = ED_operator_screenactive;

				prop = RNA_def_int(ot->srna,
				"margin",
				-1,
				-1,
				128,
				"", // ui name
				"", // ui desc
				0,
				16);

				RNA_def_property_flag(prop, PROP_SKIP_SAVE);
				prop = RNA_def_string(
				ot->srna, "uv_layer", NULL, RE_MAXNAME, "UV-layer", "UV-layer to use to generate margin");
				RNA_def_property_flag(prop, PROP_SKIP_SAVE);
				}