Differential D5819 Diff 18279 source/blender/editors/transform/transform_mode_resize.c

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source/blender/editors/transform/transform_mode_resize.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.
				*/

				/** \file
				* \ingroup edtransform
				*/

				#include "MEM_guardedalloc.h"

				#include "BLI_math.h"

				#include "BKE_context.h"
				#include "BKE_unit.h"

				#include "RNA_define.h"

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

				#include "UI_interface.h"

				#include "ED_screen.h"

				#include "transform.h"
				#include "transform_convert.h"
				#include "transform_ops.h"

				const char OP_RESIZE[] = "TRANSFORM_OT_resize";

				/* -------------------------------------------------------------------- */
				/* Transform (Resize) */

				/** \name Transform Resize
				* \{ */

				static void applyResize(TransInfo *t, const int UNUSED(mval[2]))
				{
				float mat[3][3];
				int i;
				char str[UI_MAX_DRAW_STR];

				if (t->flag & T_INPUT_IS_VALUES_FINAL) {
				copy_v3_v3(t->values_final, t->values);
				}
				else {
				float ratio = t->values[0];

				copy_v3_fl(t->values_final, ratio);

				snapGridIncrement(t, t->values_final);

				if (applyNumInput(&t->num, t->values_final)) {
				constraintNumInput(t, t->values_final);
				}

				applySnapping(t, t->values_final);
				}

				size_to_mat3(mat, t->values_final);
				if (t->con.mode & CON_APPLY) {
				t->con.applySize(t, NULL, NULL, mat);

				/* Only so we have re-usable value with redo. */
				float pvec[3] = {0.0f, 0.0f, 0.0f};
				int j = 0;
				for (i = 0; i < 3; i++) {
				if (!(t->con.mode & (CON_AXIS0 << i))) {
				t->values_final[i] = 1.0f;
				}
				else {
				pvec[j++] = t->values_final[i];
				}
				}
				headerResize(t, pvec, str);
				}
				else {
				headerResize(t, t->values_final, str);
				}

				copy_m3_m3(t->mat, mat); // used in gizmo

				FOREACH_TRANS_DATA_CONTAINER (t, tc) {
				TransData *td = tc->data;
				for (i = 0; i < tc->data_len; i++, td++) {
				if (td->flag & TD_NOACTION) {
				break;
				}

				if (td->flag & TD_SKIP) {
				continue;
				}

				ElementResize(t, tc, td, mat);
				}
				}

				/* evil hack - redo resize if cliping needed */
				if (t->flag & T_CLIP_UV && clipUVTransform(t, t->values_final, 1)) {
				size_to_mat3(mat, t->values_final);

				if (t->con.mode & CON_APPLY) {
				t->con.applySize(t, NULL, NULL, mat);
				}

				FOREACH_TRANS_DATA_CONTAINER (t, tc) {
				TransData *td = tc->data;
				for (i = 0; i < tc->data_len; i++, td++) {
				ElementResize(t, tc, td, mat);
				}

				/* In proportional edit it can happen that */
				/* vertices in the radius of the brush end */
				/* outside the clipping area */
				/* XXX HACK - dg */
				if (t->flag & T_PROP_EDIT_ALL) {
				clipUVData(t);
				}
				}
				}

				recalcData(t);

				ED_area_status_text(t->sa, str);
				}

				void initResize(TransInfo *t)
				{
				t->mode = TFM_RESIZE;
				t->transform = applyResize;

				initMouseInputMode(t, &t->mouse, INPUT_SPRING_FLIP);

				t->flag \|= T_NULL_ONE;
				t->num.val_flag[0] \|= NUM_NULL_ONE;
				t->num.val_flag[1] \|= NUM_NULL_ONE;
				t->num.val_flag[2] \|= NUM_NULL_ONE;
				t->num.flag \|= NUM_AFFECT_ALL;
				if ((t->flag & T_EDIT) == 0) {
				t->flag \|= T_NO_ZERO;
				#ifdef USE_NUM_NO_ZERO
				t->num.val_flag[0] \|= NUM_NO_ZERO;
				t->num.val_flag[1] \|= NUM_NO_ZERO;
				t->num.val_flag[2] \|= NUM_NO_ZERO;
				#endif
				}

				t->idx_max = 2;
				t->num.idx_max = 2;
				t->snap[0] = 0.0f;
				t->snap[1] = 0.1f;
				t->snap[2] = t->snap[1] * 0.1f;

				copy_v3_fl(t->num.val_inc, t->snap[1]);
				t->num.unit_sys = t->scene->unit.system;
				t->num.unit_type[0] = B_UNIT_NONE;
				t->num.unit_type[1] = B_UNIT_NONE;
				t->num.unit_type[2] = B_UNIT_NONE;
				}

				/** \} */

				void TRANSFORM_OT_resize(struct wmOperatorType *ot)
				{
				/* identifiers */
				ot->name = "Resize";
				ot->description = "Scale (resize) selected items";
				ot->idname = OP_RESIZE;
				ot->flag = OPTYPE_REGISTER \| OPTYPE_UNDO \| OPTYPE_BLOCKING;

				/* api callbacks */
				ot->invoke = transform_invoke;
				ot->exec = transform_exec;
				ot->modal = transform_modal;
				ot->cancel = transform_cancel;
				ot->poll = ED_operator_screenactive;
				ot->poll_property = transform_poll_property;

				RNA_def_float_vector(
				ot->srna, "value", 3, VecOne, -FLT_MAX, FLT_MAX, "Scale", "", -FLT_MAX, FLT_MAX);

				WM_operatortype_props_advanced_begin(ot);

				Transform_Properties(ot,
				P_ORIENT_MATRIX \| P_CONSTRAINT \| P_PROPORTIONAL \| P_MIRROR \| P_GEO_SNAP \|
				P_OPTIONS \| P_GPENCIL_EDIT \| P_CENTER);
				}