/*
 * 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) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 */

/** \file
 * \ingroup editorui
 */

#pragma once

#include "BLI_sys_types.h"

/* Define icon enum. */
#define DEF_ICON(name) ICON_##name,
#define DEF_ICON_VECTOR(name) ICON_##name,
#define DEF_ICON_COLOR(name) ICON_##name,
#define DEF_ICON_BLANK(name) ICON_BLANK_##name,

typedef enum {
/* ui */
#include "UI_icons.h"
  BIFICONID_LAST,
} BIFIconID;

#define BIFICONID_FIRST (ICON_NONE)

/* use to denote intentionally unset theme color */
#define TH_UNDEFINED -1

#ifdef __cplusplus
extern "C" {
#endif

typedef enum ThemeColorID {
  TH_REDALERT,

  TH_THEMEUI,
  // common colors among spaces

  TH_BACK,
  /** Use when 'TH_SHOW_BACK_GRAD' is set (the lower, darker color). */
  TH_BACK_GRAD,
  TH_TEXT,
  TH_TEXT_HI,
  TH_TITLE,
  TH_TAB_ACTIVE,
  TH_TAB_INACTIVE,
  TH_TAB_BACK,
  TH_TAB_OUTLINE,

  TH_HEADER,
  TH_HEADERDESEL,
  TH_HEADER_TEXT,
  TH_HEADER_TEXT_HI,

  /* panels */
  TH_PANEL_HEADER,
  TH_PANEL_BACK,
  TH_PANEL_SUB_BACK,

  TH_BUTBACK,
  TH_BUTBACK_TEXT,
  TH_BUTBACK_TEXT_HI,

  TH_SHADE1,
  TH_SHADE2,
  TH_HILITE,

  TH_GRID,
  TH_WIRE,
  TH_WIRE_INNER,
  TH_WIRE_EDIT,
  TH_SELECT,
  TH_ACTIVE,
  TH_GROUP,
  TH_GROUP_ACTIVE,
  TH_TRANSFORM,
  TH_VERTEX,
  TH_VERTEX_SELECT,
  TH_VERTEX_UNREFERENCED,
  TH_VERTEX_SIZE,
  TH_OUTLINE_WIDTH,
  TH_OBCENTER_DIA,
  TH_EDGE,
  TH_EDGE_SELECT,
  TH_EDGE_SEAM,
  TH_EDGE_FACESEL,
  TH_FACE,
  TH_FACE_SELECT,
  TH_FACE_BACK,
  TH_FACE_FRONT,
  TH_NORMAL,
  TH_VNORMAL,
  TH_LNORMAL,
  TH_FACE_DOT,
  TH_FACEDOT_SIZE,
  TH_CFRAME,
  TH_TIME_SCRUB_BACKGROUND,
  TH_TIME_MARKER_LINE,
  TH_TIME_MARKER_LINE_SELECTED,
  TH_TIME_KEYFRAME,
  TH_TIME_GP_KEYFRAME,
  TH_NURB_ULINE,
  TH_NURB_VLINE,
  TH_NURB_SEL_ULINE,
  TH_NURB_SEL_VLINE,

  /* this eight colors should be in one block */
  TH_HANDLE_FREE,
  TH_HANDLE_AUTO,
  TH_HANDLE_VECT,
  TH_HANDLE_ALIGN,
  TH_HANDLE_AUTOCLAMP,
  TH_HANDLE_SEL_FREE,
  TH_HANDLE_SEL_AUTO,
  TH_HANDLE_SEL_VECT,
  TH_HANDLE_SEL_ALIGN,
  TH_HANDLE_SEL_AUTOCLAMP,

  TH_ACTIVE_SPLINE,
  TH_ACTIVE_VERT, /* equivalent of TH_EDITMESH_ACTIVE for splines */

  TH_SYNTAX_B,
  TH_SYNTAX_V,
  TH_SYNTAX_R,
  TH_SYNTAX_C,
  TH_SYNTAX_L,
  TH_SYNTAX_D,
  TH_SYNTAX_N,
  TH_SYNTAX_S,
  TH_LINENUMBERS,

  TH_BONE_SOLID,
  TH_BONE_POSE,
  TH_BONE_POSE_ACTIVE,
  TH_BONE_LOCKED_WEIGHT,

  TH_STRIP,
  TH_STRIP_SELECT,

  TH_KEYTYPE_KEYFRAME, /* KEYTYPES */
  TH_KEYTYPE_KEYFRAME_SELECT,
  TH_KEYTYPE_EXTREME,
  TH_KEYTYPE_EXTREME_SELECT,
  TH_KEYTYPE_BREAKDOWN,
  TH_KEYTYPE_BREAKDOWN_SELECT,
  TH_KEYTYPE_JITTER,
  TH_KEYTYPE_JITTER_SELECT,
  TH_KEYTYPE_MOVEHOLD,
  TH_KEYTYPE_MOVEHOLD_SELECT,

  TH_KEYBORDER,
  TH_KEYBORDER_SELECT,

  TH_LIGHT,
  TH_SPEAKER,
  TH_CAMERA,
  TH_EMPTY,

  TH_NODE,
  TH_NODE_INPUT,
  TH_NODE_OUTPUT,
  TH_NODE_COLOR,
  TH_NODE_FILTER,
  TH_NODE_VECTOR,
  TH_NODE_TEXTURE,
  TH_NODE_PATTERN,
  TH_NODE_SCRIPT,
  TH_NODE_LAYOUT,
  TH_NODE_SHADER,
  TH_NODE_INTERFACE,
  TH_NODE_CONVERTOR,
  TH_NODE_GROUP,
  TH_NODE_FRAME,
  TH_NODE_MATTE,
  TH_NODE_DISTORT,

  TH_CONSOLE_OUTPUT,
  TH_CONSOLE_INPUT,
  TH_CONSOLE_INFO,
  TH_CONSOLE_ERROR,
  TH_CONSOLE_CURSOR,
  TH_CONSOLE_SELECT,

  TH_SEQ_MOVIE,
  TH_SEQ_MOVIECLIP,
  TH_SEQ_MASK,
  TH_SEQ_IMAGE,
  TH_SEQ_SCENE,
  TH_SEQ_AUDIO,
  TH_SEQ_EFFECT,
  TH_SEQ_META,
  TH_SEQ_TEXT,
  TH_SEQ_PREVIEW,
  TH_SEQ_COLOR,
  TH_SEQ_ACTIVE,
  TH_SEQ_SELECTED,

  TH_EDGE_SHARP,
  TH_EDITMESH_ACTIVE,

  TH_HANDLE_VERTEX,
  TH_HANDLE_VERTEX_SELECT,
  TH_HANDLE_VERTEX_SIZE,

  TH_GP_VERTEX,
  TH_GP_VERTEX_SELECT,
  TH_GP_VERTEX_SIZE,

  TH_DOPESHEET_CHANNELOB,
  TH_DOPESHEET_CHANNELSUBOB,
  TH_DOPESHEET_IPOLINE,

  TH_PREVIEW_BACK,

  TH_EDGE_CREASE,

  TH_DRAWEXTRA_EDGELEN,
  TH_DRAWEXTRA_EDGEANG,
  TH_DRAWEXTRA_FACEAREA,
  TH_DRAWEXTRA_FACEANG,

  TH_NODE_CURVING,
  TH_NODE_GRID_LEVELS,

  TH_MARKER_OUTLINE,
  TH_MARKER,
  TH_ACT_MARKER,
  TH_SEL_MARKER,
  TH_BUNDLE_SOLID,
  TH_DIS_MARKER,
  TH_PATH_BEFORE,
  TH_PATH_AFTER,
  TH_PATH_KEYFRAME_BEFORE,
  TH_PATH_KEYFRAME_AFTER,
  TH_CAMERA_PATH,
  TH_LOCK_MARKER,

  TH_STITCH_PREVIEW_FACE,
  TH_STITCH_PREVIEW_EDGE,
  TH_STITCH_PREVIEW_VERT,
  TH_STITCH_PREVIEW_STITCHABLE,
  TH_STITCH_PREVIEW_UNSTITCHABLE,
  TH_STITCH_PREVIEW_ACTIVE,

  TH_PAINT_CURVE_HANDLE,
  TH_PAINT_CURVE_PIVOT,

  TH_UV_SHADOW,
  TH_UV_OTHERS,

  TH_FREESTYLE_EDGE_MARK,
  TH_FREESTYLE_FACE_MARK,

  TH_MATCH,            /* highlight color for search matches */
  TH_SELECT_HIGHLIGHT, /* highlight color for selected outliner item */
  TH_SELECT_ACTIVE,    /* highlight color for active outliner item */
  TH_SELECTED_OBJECT,  /* selected object color for outliner */
  TH_ACTIVE_OBJECT,    /* active object color for outliner */
  TH_EDITED_OBJECT,    /* edited object color for outliner */
  TH_ROW_ALTERNATE,    /* overlay on every other row */

  TH_SKIN_ROOT,

  TH_ANIM_ACTIVE,        /* active action */
  TH_ANIM_INACTIVE,      /* no active action */
  TH_ANIM_PREVIEW_RANGE, /* preview range overlay */

  TH_ICON_SCENE,
  TH_ICON_COLLECTION,
  TH_ICON_OBJECT,
  TH_ICON_OBJECT_DATA,
  TH_ICON_MODIFIER,
  TH_ICON_SHADING,
  TH_ICON_FOLDER,
  TH_ICON_FUND,

  TH_SCROLL_TEXT,

  TH_NLA_TWEAK,       /* 'tweaking' track in NLA */
  TH_NLA_TWEAK_DUPLI, /* error/warning flag for other strips referencing dupli strip */

  TH_NLA_TRACK,
  TH_NLA_TRANSITION,
  TH_NLA_TRANSITION_SEL,
  TH_NLA_META,
  TH_NLA_META_SEL,
  TH_NLA_SOUND,
  TH_NLA_SOUND_SEL,

  TH_WIDGET_EMBOSS,
  TH_WIDGET_TEXT_CURSOR,
  TH_EDITOR_OUTLINE,

  TH_TRANSPARENT_CHECKER_PRIMARY,
  TH_TRANSPARENT_CHECKER_SECONDARY,
  TH_TRANSPARENT_CHECKER_SIZE,

  TH_AXIS_X, /* X/Y/Z Axis */
  TH_AXIS_Y,
  TH_AXIS_Z,

  TH_GIZMO_HI,
  TH_GIZMO_PRIMARY,
  TH_GIZMO_SECONDARY,
  TH_GIZMO_VIEW_ALIGN,
  TH_GIZMO_A,
  TH_GIZMO_B,

  TH_BACKGROUND_TYPE,

  TH_INFO_SELECTED,
  TH_INFO_SELECTED_TEXT,
  TH_INFO_ERROR,
  TH_INFO_ERROR_TEXT,
  TH_INFO_WARNING,
  TH_INFO_WARNING_TEXT,
  TH_INFO_INFO,
  TH_INFO_INFO_TEXT,
  TH_INFO_DEBUG,
  TH_INFO_DEBUG_TEXT,
  TH_INFO_PROPERTY,
  TH_INFO_PROPERTY_TEXT,
  TH_INFO_OPERATOR,
  TH_INFO_OPERATOR_TEXT,
  TH_VIEW_OVERLAY,

  TH_V3D_CLIPPING_BORDER,

  TH_METADATA_BG,
  TH_METADATA_TEXT,

  TH_EDGE_BEVEL,
  TH_VERTEX_BEVEL,
} ThemeColorID;

/* specific defines per space should have higher define values */

struct bTheme;

struct bThemeState {
  struct bTheme *theme;
  int spacetype, regionid;
};

// THE CODERS API FOR THEMES:

// returns one value, not scaled
float UI_GetThemeValuef(int colorid);
int UI_GetThemeValue(int colorid);

float UI_GetThemeValueTypef(int colorid, int spacetype);
int UI_GetThemeValueType(int colorid, int spacetype);

// get three color values, scaled to 0.0-1.0 range
void UI_GetThemeColor3fv(int colorid, float col[3]);
void UI_GetThemeColorBlend3ubv(int colorid1, int colorid2, float fac, unsigned char col[3]);
void UI_GetThemeColorBlend3f(int colorid1, int colorid2, float fac, float r_col[3]);
void UI_GetThemeColorBlend4f(int colorid1, int colorid2, float fac, float r_col[4]);
// get the color, range 0.0-1.0, complete with shading offset
void UI_GetThemeColorShade3fv(int colorid, int offset, float col[3]);
void UI_GetThemeColorShade3ubv(int colorid, int offset, unsigned char col[3]);
void UI_GetThemeColorShade4ubv(int colorid, int offset, unsigned char col[4]);

// get three color values, range 0-255,
// complete with shading offset for the RGB components and blending.
void UI_GetThemeColorBlendShade3ubv(
    int colorid1, int colorid2, float fac, int offset, unsigned char col[3]);

// get four color values, scaled to 0.0-1.0 range
void UI_GetThemeColor4fv(int colorid, float col[4]);

/* get four color values from specified space type, scaled to 0.0-1.0 range */
void UI_GetThemeColorType4fv(int colorid, int spacetype, float col[4]);

// get four color values, range 0.0-1.0, complete with shading offset for the RGB components
void UI_GetThemeColorShade4fv(int colorid, int offset, float col[4]);
void UI_GetThemeColorShadeAlpha4fv(int colorid, int coloffset, int alphaoffset, float col[4]);

// get four color values ranged between 0 and 255; includes the alpha channel
void UI_GetThemeColorShadeAlpha4ubv(int colorid,
                                    int coloffset,
                                    int alphaoffset,
                                    unsigned char col[4]);

// get four color values, range 0.0-1.0,
// complete with shading offset for the RGB components and blending.
void UI_GetThemeColorBlendShade3fv(
    int colorid1, int colorid2, float fac, int offset, float col[3]);
void UI_GetThemeColorBlendShade4fv(
    int colorid1, int colorid2, float fac, int offset, float col[4]);

// get the 3 or 4 byte values
void UI_GetThemeColor3ubv(int colorid, unsigned char col[3]);
void UI_GetThemeColor4ubv(int colorid, unsigned char col[4]);

// get a theme color from specified space type
void UI_GetThemeColorType3fv(int colorid, int spacetype, float col[3]);
void UI_GetThemeColorType3ubv(int colorid, int spacetype, unsigned char col[3]);
void UI_GetThemeColorType4ubv(int colorid, int spacetype, unsigned char col[4]);

// get theme color for coloring monochrome icons
bool UI_GetIconThemeColor4ubv(int colorid, unsigned char col[4]);

// shade a 3 byte color (same as UI_GetColorPtrBlendShade3ubv with 0.0 factor)
void UI_GetColorPtrShade3ubv(const unsigned char cp1[3], unsigned char col[3], int offset);

// get a 3 byte color, blended and shaded between two other char color pointers
void UI_GetColorPtrBlendShade3ubv(const unsigned char cp1[3],
                                  const unsigned char cp2[3],
                                  unsigned char col[3],
                                  float fac,
                                  int offset);

// sets the font color
// (for anything fancy use UI_GetThemeColor[Fancy] then BLF_color)
void UI_FontThemeColor(int fontid, int colorid);

// clear the openGL ClearColor using the input colorid
void UI_ThemeClearColor(int colorid);

// clear the openGL ClearColor using the input colorid using optional transparency
void UI_ThemeClearColorAlpha(int colorid, float alpha);

// internal (blender) usage only, for init and set active
void UI_SetTheme(int spacetype, int regionid);

// get current theme
struct bTheme *UI_GetTheme(void);

void UI_Theme_Store(struct bThemeState *theme_state);
void UI_Theme_Restore(struct bThemeState *theme_state);

// return shadow width outside menus and popups */
int UI_ThemeMenuShadowWidth(void);

/* only for buttons in theme editor! */
const unsigned char *UI_ThemeGetColorPtr(struct bTheme *btheme, int spacetype, int colorid);

void UI_make_axis_color(const unsigned char *src_col, unsigned char *dst_col, const char axis);

#ifdef __cplusplus
}
#endif