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blender-archive/source/blender/editors/space_graph/graph_intern.h
Jacques Lucke 667af6cf41 Refactor grid and scale indicator text drawing 
This affects the timeline, dopesheet, graph editor, sequencer,
clip editor and nla editor.

Removed structs and enums: `V2D_ARG_DUMMY`, `eView2D_Units`,
`eView2D_Clamp`, `eView2D_Gridlines`, `View2DGrid`.

A main goal of this refactor is to get rid of the very generic
`View2DGrid` struct. The drawing code became very complex
because there were many different combinations of settings.

This refactor implements a different approach.
Instead of one very generic API, there are many slighly
different functions that do exactly, what we need in the
different editors. Only very little code is duplicated,
because the API functions compose some shared low level code.

This structure makes the code much easier to debug and change,
because every function has much fewer responsibilities.

Additionally, this refactor fixes some long standing bugs.
E.g. when `Show Seconds` is enabled, you zoom in and pan the view.
Or that the step size between displayed frame numbers was
always `>= 2`, no matter how close you zoom in.

Reviewers: brecht

Differential Revision: https://developer.blender.org/D4776
2019-05-02 12:00:12 +02:00

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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 spgraph
*/
#ifndef __GRAPH_INTERN_H__
#define __GRAPH_INTERN_H__
struct ARegion;
struct ARegionType;
struct ScrArea;
struct SpaceGraph;
struct bAnimContext;
struct bAnimListElem;
struct bContext;
/* internal exports only */
/* ***************************************** */
/* graph_draw.c */
void graph_draw_channel_names(struct bContext *C, struct bAnimContext *ac, struct ARegion *ar);
void graph_draw_curves(struct bAnimContext *ac,
struct SpaceGraph *sipo,
struct ARegion *ar,
short sel);
void graph_draw_ghost_curves(struct bAnimContext *ac, struct SpaceGraph *sipo, struct ARegion *ar);
/* ***************************************** */
/* graph_select.c */
void deselect_graph_keys(struct bAnimContext *ac, bool test, short sel, bool do_channels);
void GRAPH_OT_select_all(struct wmOperatorType *ot);
void GRAPH_OT_select_box(struct wmOperatorType *ot);
void GRAPH_OT_select_lasso(struct wmOperatorType *ot);
void GRAPH_OT_select_circle(struct wmOperatorType *ot);
void GRAPH_OT_select_column(struct wmOperatorType *ot);
void GRAPH_OT_select_linked(struct wmOperatorType *ot);
void GRAPH_OT_select_more(struct wmOperatorType *ot);
void GRAPH_OT_select_less(struct wmOperatorType *ot);
void GRAPH_OT_select_leftright(struct wmOperatorType *ot);
void GRAPH_OT_clickselect(struct wmOperatorType *ot);
/* defines for left-right select tool */
enum eGraphKeys_LeftRightSelect_Mode {
GRAPHKEYS_LRSEL_TEST = 0,
GRAPHKEYS_LRSEL_LEFT,
GRAPHKEYS_LRSEL_RIGHT,
};
/* defines for column-select mode */
enum eGraphKeys_ColumnSelect_Mode {
GRAPHKEYS_COLUMNSEL_KEYS = 0,
GRAPHKEYS_COLUMNSEL_CFRA,
GRAPHKEYS_COLUMNSEL_MARKERS_COLUMN,
GRAPHKEYS_COLUMNSEL_MARKERS_BETWEEN,
};
/* ***************************************** */
/* graph_edit.c */
void get_graph_keyframe_extents(struct bAnimContext *ac,
float *xmin,
float *xmax,
float *ymin,
float *ymax,
const bool do_selected,
const bool include_handles);
void GRAPH_OT_previewrange_set(struct wmOperatorType *ot);
void GRAPH_OT_view_all(struct wmOperatorType *ot);
void GRAPH_OT_view_selected(struct wmOperatorType *ot);
void GRAPH_OT_view_frame(struct wmOperatorType *ot);
void GRAPH_OT_click_insert(struct wmOperatorType *ot);
void GRAPH_OT_keyframe_insert(struct wmOperatorType *ot);
void GRAPH_OT_copy(struct wmOperatorType *ot);
void GRAPH_OT_paste(struct wmOperatorType *ot);
void GRAPH_OT_duplicate(struct wmOperatorType *ot);
void GRAPH_OT_delete(struct wmOperatorType *ot);
void GRAPH_OT_clean(struct wmOperatorType *ot);
void GRAPH_OT_sample(struct wmOperatorType *ot);
void GRAPH_OT_bake(struct wmOperatorType *ot);
void GRAPH_OT_sound_bake(struct wmOperatorType *ot);
void GRAPH_OT_smooth(struct wmOperatorType *ot);
void GRAPH_OT_euler_filter(struct wmOperatorType *ot);
void GRAPH_OT_handle_type(struct wmOperatorType *ot);
void GRAPH_OT_interpolation_type(struct wmOperatorType *ot);
void GRAPH_OT_extrapolation_type(struct wmOperatorType *ot);
void GRAPH_OT_easing_type(struct wmOperatorType *ot);
void GRAPH_OT_frame_jump(struct wmOperatorType *ot);
void GRAPH_OT_snap(struct wmOperatorType *ot);
void GRAPH_OT_mirror(struct wmOperatorType *ot);
/* defines for snap keyframes
* NOTE: keep in sync with eEditKeyframes_Snap (in ED_keyframes_edit.h)
*/
enum eGraphKeys_Snap_Mode {
GRAPHKEYS_SNAP_CFRA = 1,
GRAPHKEYS_SNAP_NEAREST_FRAME,
GRAPHKEYS_SNAP_NEAREST_SECOND,
GRAPHKEYS_SNAP_NEAREST_MARKER,
GRAPHKEYS_SNAP_HORIZONTAL,
GRAPHKEYS_SNAP_VALUE,
};
/* defines for mirror keyframes
* NOTE: keep in sync with eEditKeyframes_Mirror (in ED_keyframes_edit.h)
*/
enum eGraphKeys_Mirror_Mode {
GRAPHKEYS_MIRROR_CFRA = 1,
GRAPHKEYS_MIRROR_YAXIS,
GRAPHKEYS_MIRROR_XAXIS,
GRAPHKEYS_MIRROR_MARKER,
GRAPHKEYS_MIRROR_VALUE,
};
/* ----------- */
void GRAPH_OT_fmodifier_add(struct wmOperatorType *ot);
void GRAPH_OT_fmodifier_copy(struct wmOperatorType *ot);
void GRAPH_OT_fmodifier_paste(struct wmOperatorType *ot);
/* ----------- */
void GRAPH_OT_driver_variables_copy(struct wmOperatorType *ot);
void GRAPH_OT_driver_variables_paste(struct wmOperatorType *ot);
void GRAPH_OT_driver_delete_invalid(struct wmOperatorType *ot);
/* ----------- */
void GRAPH_OT_ghost_curves_create(struct wmOperatorType *ot);
void GRAPH_OT_ghost_curves_clear(struct wmOperatorType *ot);
/* ***************************************** */
/* graph_buttons.c */
void graph_buttons_register(struct ARegionType *art);
/* ***************************************** */
/* graph_utils.c */
struct bAnimListElem *get_active_fcurve_channel(struct bAnimContext *ac);
bool graphop_visible_keyframes_poll(struct bContext *C);
bool graphop_editable_keyframes_poll(struct bContext *C);
bool graphop_active_fcurve_poll(struct bContext *C);
bool graphop_selected_fcurve_poll(struct bContext *C);
/* ***************************************** */
/* graph_ops.c */
void graphedit_keymap(struct wmKeyConfig *keyconf);
void graphedit_operatortypes(void);
#endif /* __GRAPH_INTERN_H__ */
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