/* * ***** 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) 2009 Blender Foundation. * All rights reserved. * * * Contributor(s): Blender Foundation * * ***** END GPL LICENSE BLOCK ***** */ /** \file blender/editors/gpencil/gpencil_intern.h * \ingroup edgpencil */ #ifndef __GPENCIL_INTERN_H__ #define __GPENCIL_INTERN_H__ #include "DNA_vec_types.h" /* internal exports only */ struct bGPdata; struct bGPDstroke; struct bGPDspoint; struct ARegion; struct View2D; struct wmOperatorType; /* ***************************************************** */ /* Internal API */ /* Stroke Coordinates API ------------------------------ */ /* gpencil_utils.c */ typedef struct GP_SpaceConversion { struct bGPdata *gpd; struct bGPDlayer *gpl; struct ScrArea *sa; struct ARegion *ar; struct View2D *v2d; rctf *subrect; /* for using the camera rect within the 3d view */ rctf subrect_data; float mat[4][4]; /* transform matrix on the strokes (introduced in [b770964]) */ } GP_SpaceConversion; /** * Check whether a given stroke segment is inside a circular brush * * \param mval The current screen-space coordinates (midpoint) of the brush * \param mvalo The previous screen-space coordinates (midpoint) of the brush (NOT CURRENTLY USED) * \param rad The radius of the brush * * \param x0, y0 The screen-space x and y coordinates of the start of the stroke segment * \param x1, y1 The screen-space x and y coordinates of the end of the stroke segment */ bool gp_stroke_inside_circle(const int mval[2], const int UNUSED(mvalo[2]), int rad, int x0, int y0, int x1, int y1); /** * Init settings for stroke point space conversions * * \param[out] r_gsc The space conversion settings struct, populated with necessary params */ void gp_point_conversion_init(struct bContext *C, GP_SpaceConversion *r_gsc); /** * Convert a Grease Pencil coordinate (i.e. can be 2D or 3D) to screenspace (2D) * * \param[out] r_x The screen-space x-coordinate of the point * \param[out] r_y The screen-space y-coordinate of the point */ void gp_point_to_xy(GP_SpaceConversion *settings, struct bGPDstroke *gps, struct bGPDspoint *pt, int *r_x, int *r_y); /* Poll Callbacks ------------------------------------ */ /* gpencil_utils.c */ int gp_add_poll(struct bContext *C); int gp_active_layer_poll(struct bContext *C); /* ***************************************************** */ /* Operator Defines */ /* drawing ---------- */ void GPENCIL_OT_draw(struct wmOperatorType *ot); /* Paint Modes for operator*/ typedef enum eGPencil_PaintModes { GP_PAINTMODE_DRAW = 0, GP_PAINTMODE_ERASER, GP_PAINTMODE_DRAW_STRAIGHT, GP_PAINTMODE_DRAW_POLY } eGPencil_PaintModes; /* stroke editing ----- */ void GPENCIL_OT_select(struct wmOperatorType *ot); void GPENCIL_OT_select_all(struct wmOperatorType *ot); void GPENCIL_OT_select_circle(struct wmOperatorType *ot); void GPENCIL_OT_select_border(struct wmOperatorType *ot); void GPENCIL_OT_select_lasso(struct wmOperatorType *ot); void GPENCIL_OT_select_linked(struct wmOperatorType *ot); void GPENCIL_OT_select_more(struct wmOperatorType *ot); void GPENCIL_OT_select_less(struct wmOperatorType *ot); void GPENCIL_OT_duplicate(struct wmOperatorType *ot); void GPENCIL_OT_delete(struct wmOperatorType *ot); void GPENCIL_OT_dissolve(struct wmOperatorType *ot); void GPENCIL_OT_copy(struct wmOperatorType *ot); void GPENCIL_OT_paste(struct wmOperatorType *ot); /* buttons editing --- */ void GPENCIL_OT_data_add(struct wmOperatorType *ot); void GPENCIL_OT_data_unlink(struct wmOperatorType *ot); void GPENCIL_OT_layer_add(struct wmOperatorType *ot); void GPENCIL_OT_layer_remove(struct wmOperatorType *ot); void GPENCIL_OT_layer_move(struct wmOperatorType *ot); void GPENCIL_OT_layer_duplicate(struct wmOperatorType *ot); void GPENCIL_OT_hide(struct wmOperatorType *ot); void GPENCIL_OT_reveal(struct wmOperatorType *ot); void GPENCIL_OT_active_frame_delete(struct wmOperatorType *ot); void GPENCIL_OT_convert(struct wmOperatorType *ot); /* undo stack ---------- */ void gpencil_undo_init(struct bGPdata *gpd); void gpencil_undo_push(struct bGPdata *gpd); void gpencil_undo_finish(void); /******************************************************* */ /* FILTERED ACTION DATA - TYPES ---> XXX DEPRECEATED OLD ANIM SYSTEM CODE! */ /* XXX - TODO: replace this with the modern bAnimListElem... */ /* This struct defines a structure used for quick access */ typedef struct bActListElem { struct bActListElem *next, *prev; void *data; /* source data this elem represents */ int type; /* one of the ACTTYPE_* values */ int flag; /* copy of elem's flags for quick access */ int index; /* copy of adrcode where applicable */ void *key_data; /* motion data - ipo or ipo-curve */ short datatype; /* type of motion data to expect */ struct bActionGroup *grp; /* action group that owns the channel */ void *owner; /* will either be an action channel or fake ipo-channel (for keys) */ short ownertype; /* type of owner */ } bActListElem; /******************************************************* */ /* FILTER ACTION DATA - METHODS/TYPES */ /* filtering flags - under what circumstances should a channel be added */ typedef enum ACTFILTER_FLAGS { ACTFILTER_VISIBLE = (1 << 0), /* should channels be visible */ ACTFILTER_SEL = (1 << 1), /* should channels be selected */ ACTFILTER_FOREDIT = (1 << 2), /* does editable status matter */ ACTFILTER_CHANNELS = (1 << 3), /* do we only care that it is a channel */ ACTFILTER_IPOKEYS = (1 << 4), /* only channels referencing ipo's */ ACTFILTER_ONLYICU = (1 << 5), /* only reference ipo-curves */ ACTFILTER_FORDRAWING = (1 << 6), /* make list for interface drawing */ ACTFILTER_ACTGROUPED = (1 << 7) /* belongs to the active group */ } ACTFILTER_FLAGS; /* Action Editor - Main Data types */ typedef enum ACTCONT_TYPES { ACTCONT_NONE = 0, ACTCONT_ACTION, ACTCONT_SHAPEKEY, ACTCONT_GPENCIL } ACTCONT_TYPES; #endif /* __GPENCIL_INTERN_H__ */