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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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) 2016 Blender Foundation.
* All rights reserved.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file gizmo_library_intern.h
* \ingroup wm
*/
#ifndef __GIZMO_LIBRARY_INTERN_H__
#define __GIZMO_LIBRARY_INTERN_H__
/* distance around which gizmos respond to input (and get highlighted) */
#define GIZMO_HOTSPOT 14.0f
/**
* Data for common interactions. Used in gizmo_library_utils.c functions.
*/
typedef struct GizmoCommonData {
int flag;
float range_fac; /* factor for arrow min/max distance */
float offset;
/* property range for constrained gizmos */
float range;
/* min/max value for constrained gizmos */
float min, max;
} GizmoCommonData;
typedef struct GizmoInteraction {
float init_value; /* initial property value */
float init_mval[2];
float init_offset;
float init_matrix_final[4][4];
float init_matrix_basis[4][4];
/* offset of last handling step */
float prev_offset;
/* Total offset added by precision tweaking.
* Needed to allow toggling precision on/off without causing jumps */
float precision_offset;
} GizmoInteraction;
/* GizmoCommonData->flag */
enum {
GIZMO_CUSTOM_RANGE_SET = (1 << 0),
};
float gizmo_offset_from_value(
GizmoCommonData *data, const float value,
const bool constrained, const bool inverted);
float gizmo_value_from_offset(
GizmoCommonData *data, GizmoInteraction *inter, const float offset,
const bool constrained, const bool inverted, const bool use_precision);
void gizmo_property_data_update(
struct wmGizmo *mpr, GizmoCommonData *data, wmGizmoProperty *mpr_prop,
const bool constrained, const bool inverted);
void gizmo_property_value_reset(
bContext *C, const struct wmGizmo *mpr, GizmoInteraction *inter, wmGizmoProperty *mpr_prop);
/* -------------------------------------------------------------------- */
void gizmo_color_get(
const struct wmGizmo *mpr, const bool highlight,
float r_color[4]);
bool gizmo_window_project_2d(
bContext *C, const struct wmGizmo *mpr, const float mval[2], int axis, bool use_offset,
float r_co[2]);
bool gizmo_window_project_3d(
bContext *C, const struct wmGizmo *mpr, const float mval[2], bool use_offset,
float r_co[3]);
/* -------------------------------------------------------------------- */
/* Gizmo drawing */
#include "gizmo_geometry.h"
void wm_gizmo_geometryinfo_draw(const struct GizmoGeomInfo *info, const bool select, const float color[4]);
void wm_gizmo_vec_draw(
const float color[4], const float (*verts)[3], uint vert_count,
uint pos, uint primitive_type);
#endif /* __GIZMO_LIBRARY_INTERN_H__ */
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