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view2d_draw.c File Reference
Blender » Editors » interface
#include <float.h>
#include <limits.h>
#include <math.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_scene_types.h"
#include "DNA_userdef_types.h"
#include "BLI_array.h"
#include "BLI_math.h"
#include "BLI_rect.h"
#include "BLI_string.h"
#include "BLI_timecode.h"
#include "BLI_utildefines.h"
#include "GPU_immediate.h"
#include "GPU_matrix.h"
#include "GPU_state.h"
#include "WM_api.h"
#include "BLF_api.h"
#include "UI_interface.h"
#include "UI_view2d.h"
#include "interface_intern.h"

Go to the source code of this file.

Classes

struct  ParallelLinesSet
 

Macros

#define MIN_MAJOR_LINE_DISTANCE   (U.v2d_min_gridsize * UI_DPI_FAC)
 

Typedefs

typedef struct ParallelLinesSet ParallelLinesSet
 
typedef void(* PositionToString) (void *user_data, float v2d_pos, float v2d_step, uint max_len, char *r_str)
 

Functions

static float select_major_distance (const float *possible_distances, uint amount, float pixel_width, float view_width)
 
static uint view2d_major_step_x__discrete (const View2D *v2d)
 
static float view2d_major_step_x__continuous (const View2D *v2d)
 
static float view2d_major_step_y__continuous (const View2D *v2d)
 
static float view2d_major_step_x__time (const View2D *v2d, const Scene *scene)
 
static void get_parallel_lines_draw_steps (const ParallelLinesSet *lines, float region_start, float region_end, float *r_first, uint *r_steps)
 
static void draw_parallel_lines (const ParallelLinesSet *lines, const rctf *rect, const rcti *rect_mask, const uchar color[3], char direction)
 
static void view2d_draw_lines_internal (const View2D *v2d, const ParallelLinesSet *lines, const uchar color[3], char direction)
 
static void view2d_draw_lines (const View2D *v2d, float major_distance, bool display_minor_lines, char direction)
 
static void draw_horizontal_scale_indicators (const ARegion *region, const View2D *v2d, float distance, const rcti *rect, PositionToString to_string, void *to_string_data, int colorid)
 
static void draw_vertical_scale_indicators (const ARegion *region, const View2D *v2d, float distance, float display_offset, const rcti *rect, PositionToString to_string, void *to_string_data, int colorid)
 
static void view_to_string__frame_number (void *UNUSED(user_data), float v2d_pos, float UNUSED(v2d_step), uint max_len, char *r_str)
 
static void view_to_string__time (void *user_data, float v2d_pos, float UNUSED(v2d_step), uint max_len, char *r_str)
 
static void view_to_string__value (void *UNUSED(user_data), float v2d_pos, float v2d_step, uint max_len, char *r_str)
 
float UI_view2d_grid_resolution_x__frames_or_seconds (const struct View2D *v2d, const struct Scene *scene, bool display_seconds)
 
float UI_view2d_grid_resolution_y__values (const struct View2D *v2d)
 
void UI_view2d_draw_lines_x__discrete_values (const View2D *v2d)
 
void UI_view2d_draw_lines_x__values (const View2D *v2d)
 
void UI_view2d_draw_lines_y__values (const View2D *v2d)
 
void UI_view2d_draw_lines_x__discrete_time (const View2D *v2d, const Scene *scene)
 
void UI_view2d_draw_lines_x__discrete_frames_or_seconds (const View2D *v2d, const Scene *scene, bool display_seconds)
 
void UI_view2d_draw_lines_x__frames_or_seconds (const View2D *v2d, const Scene *scene, bool display_seconds)
 
static void UI_view2d_draw_scale_x__discrete_values (const ARegion *region, const View2D *v2d, const rcti *rect, int colorid)
 
static void UI_view2d_draw_scale_x__discrete_time (const ARegion *region, const View2D *v2d, const rcti *rect, const Scene *scene, int colorid)
 
static void UI_view2d_draw_scale_x__values (const ARegion *region, const View2D *v2d, const rcti *rect, int colorid)
 
void UI_view2d_draw_scale_y__values (const ARegion *region, const View2D *v2d, const rcti *rect, int colorid)
 
void UI_view2d_draw_scale_y__block (const ARegion *region, const View2D *v2d, const rcti *rect, int colorid)
 
void UI_view2d_draw_scale_x__discrete_frames_or_seconds (const struct ARegion *region, const struct View2D *v2d, const struct rcti *rect, const struct Scene *scene, bool display_seconds, int colorid)
 
void UI_view2d_draw_scale_x__frames_or_seconds (const struct ARegion *region, const struct View2D *v2d, const struct rcti *rect, const struct Scene *scene, bool display_seconds, int colorid)
 

Variables

static const float discrete_value_scales []
 
static const float continuous_value_scales []
 

Macro Definition Documentation

◆ MIN_MAJOR_LINE_DISTANCE

#define MIN_MAJOR_LINE_DISTANCE   (U.v2d_min_gridsize * UI_DPI_FAC)

Definition at line 57 of file view2d_draw.c.

Typedef Documentation

◆ ParallelLinesSet

typedef struct ParallelLinesSet ParallelLinesSet

◆ PositionToString

typedef void(* PositionToString) (void *user_data, float v2d_pos, float v2d_step, uint max_len, char *r_str)

Definition at line 285 of file view2d_draw.c.

Function Documentation

◆ draw_horizontal_scale_indicators()

static void draw_horizontal_scale_indicators ( const ARegion *  region,
const View2D *  v2d,
float  distance,
const rcti *  rect,
PositionToString  to_string,
void *  to_string_data,
int  colorid 
)
static

Definition at line 288 of file view2d_draw.c.

References BLF_batch_draw_begin(), BLF_batch_draw_end(), BLF_default(), BLF_draw_default_ascii(), BLF_width(), BLI_rcti_size_x(), distance(), ParallelLinesSet::distance, get_parallel_lines_draw_steps(), GPU_matrix_pop_projection(), GPU_matrix_push_projection(), View2D::mask, ParallelLinesSet::offset, steps, std::to_string(), UI_DPI_FAC, UI_FontThemeColor(), UI_view2d_region_to_view_x(), UI_view2d_scale_get_x(), UI_view2d_view_to_region_x(), UNLIKELY, wmOrtho2_region_pixelspace(), rcti::xmax, rcti::xmin, and rcti::ymin.

Referenced by UI_view2d_draw_scale_x__discrete_time(), UI_view2d_draw_scale_x__discrete_values(), and UI_view2d_draw_scale_x__values().

◆ draw_parallel_lines()

static void draw_parallel_lines ( const ParallelLinesSet *  lines,
const rctf *  rect,
const rcti *  rect_mask,
const uchar  color[3],
char  direction 
)
static
Parameters
rect_maskRegion size in pixels.

Definition at line 180 of file view2d_draw.c.

References BLI_assert, BLI_rcti_size_x(), BLI_rcti_size_y(), ParallelLinesSet::distance, get_parallel_lines_draw_steps(), GPU_COMP_F32, GPU_FETCH_FLOAT, GPU_PRIM_LINES, GPU_SHADER_2D_UNIFORM_COLOR, GPU_SHADER_3D_POLYLINE_UNIFORM_COLOR, GPU_vertformat_attr_add(), GPU_viewport_size_get_f(), immBegin(), immBindBuiltinProgram(), immEnd(), immUnbindProgram(), immUniform1f(), immUniform2fv(), immUniformColor3ubv(), immVertex2f(), immVertexFormat(), pos, steps, UNLIKELY, rctf::xmax, rctf::xmin, rctf::ymax, and rctf::ymin.

Referenced by view2d_draw_lines_internal().

◆ draw_vertical_scale_indicators()

static void draw_vertical_scale_indicators ( const ARegion *  region,
const View2D *  v2d,
float  distance,
float  display_offset,
const rcti *  rect,
PositionToString  to_string,
void *  to_string_data,
int  colorid 
)
static

Definition at line 346 of file view2d_draw.c.

References BLF_batch_draw_begin(), BLF_batch_draw_end(), BLF_default(), BLF_disable(), BLF_draw_default_ascii(), BLF_enable(), BLF_rotation(), BLF_ROTATION, BLF_width(), BLI_rcti_size_y(), distance(), ParallelLinesSet::distance, get_parallel_lines_draw_steps(), GPU_matrix_pop_projection(), GPU_matrix_push_projection(), M_PI_2, View2D::mask, ParallelLinesSet::offset, steps, std::to_string(), UI_DPI_FAC, UI_FontThemeColor(), UI_view2d_region_to_view_y(), UI_view2d_scale_get_y(), UI_view2d_view_to_region_y(), UNLIKELY, wmOrtho2_region_pixelspace(), rcti::xmax, rcti::ymax, and rcti::ymin.

Referenced by UI_view2d_draw_scale_y__block(), and UI_view2d_draw_scale_y__values().

◆ get_parallel_lines_draw_steps()

static void get_parallel_lines_draw_steps ( const ParallelLinesSet *  lines,
float  region_start,
float  region_end,
float *  r_first,
uint *  r_steps 
)
static

Definition at line 151 of file view2d_draw.c.

References BLI_assert, ceilf, ParallelLinesSet::distance, floorf, MAX2, and ParallelLinesSet::offset.

Referenced by draw_horizontal_scale_indicators(), draw_parallel_lines(), and draw_vertical_scale_indicators().

◆ select_major_distance()

static float select_major_distance ( const float *  possible_distances,
uint  amount,
float  pixel_width,
float  view_width 
)
static

Definition at line 59 of file view2d_draw.c.

References BLI_assert, distance(), IS_EQF, and MIN_MAJOR_LINE_DISTANCE.

Referenced by view2d_major_step_x__continuous(), view2d_major_step_x__discrete(), view2d_major_step_x__time(), and view2d_major_step_y__continuous().

◆ UI_view2d_draw_lines_x__discrete_frames_or_seconds()

void UI_view2d_draw_lines_x__discrete_frames_or_seconds ( const View2D *  v2d,
const Scene *  scene,
bool  display_seconds 
)

Definition at line 487 of file view2d_draw.c.

References scene, UI_view2d_draw_lines_x__discrete_time(), and UI_view2d_draw_lines_x__discrete_values().

◆ UI_view2d_draw_lines_x__discrete_time()

void UI_view2d_draw_lines_x__discrete_time ( const View2D *  v2d,
const Scene *  scene 
)

Definition at line 481 of file view2d_draw.c.

References scene, view2d_draw_lines(), and view2d_major_step_x__time().

Referenced by UI_view2d_draw_lines_x__discrete_frames_or_seconds(), and UI_view2d_draw_lines_x__frames_or_seconds().

◆ UI_view2d_draw_lines_x__discrete_values()

void UI_view2d_draw_lines_x__discrete_values ( const View2D *  v2d)

Definition at line 463 of file view2d_draw.c.

References view2d_draw_lines(), and view2d_major_step_x__discrete().

Referenced by UI_view2d_draw_lines_x__discrete_frames_or_seconds().

◆ UI_view2d_draw_lines_x__frames_or_seconds()

void UI_view2d_draw_lines_x__frames_or_seconds ( const View2D *  v2d,
const Scene *  scene,
bool  display_seconds 
)

Definition at line 499 of file view2d_draw.c.

References scene, UI_view2d_draw_lines_x__discrete_time(), and UI_view2d_draw_lines_x__values().

◆ UI_view2d_draw_lines_x__values()

void UI_view2d_draw_lines_x__values ( const View2D *  v2d)

Definition at line 469 of file view2d_draw.c.

References view2d_draw_lines(), and view2d_major_step_x__continuous().

Referenced by UI_view2d_draw_lines_x__frames_or_seconds().

◆ UI_view2d_draw_lines_y__values()

void UI_view2d_draw_lines_y__values ( const View2D *  v2d)

Definition at line 475 of file view2d_draw.c.

References view2d_draw_lines(), and view2d_major_step_y__continuous().

◆ UI_view2d_draw_scale_x__discrete_frames_or_seconds()

void UI_view2d_draw_scale_x__discrete_frames_or_seconds ( const struct ARegion *  region,
const struct View2D *  v2d,
const struct rcti *  rect,
const struct Scene *  scene,
bool  display_seconds,
int  colorid 
)

Definition at line 560 of file view2d_draw.c.

References scene, UI_view2d_draw_scale_x__discrete_time(), and UI_view2d_draw_scale_x__discrete_values().

Referenced by ED_time_scrub_draw().

◆ UI_view2d_draw_scale_x__discrete_time()

static void UI_view2d_draw_scale_x__discrete_time ( const ARegion *  region,
const View2D *  v2d,
const rcti *  rect,
const Scene *  scene,
int  colorid 
)
static

Definition at line 524 of file view2d_draw.c.

References draw_horizontal_scale_indicators(), scene, view2d_major_step_x__time(), and view_to_string__time().

Referenced by UI_view2d_draw_scale_x__discrete_frames_or_seconds(), and UI_view2d_draw_scale_x__frames_or_seconds().

◆ UI_view2d_draw_scale_x__discrete_values()

static void UI_view2d_draw_scale_x__discrete_values ( const ARegion *  region,
const View2D *  v2d,
const rcti *  rect,
int  colorid 
)
static

Definition at line 514 of file view2d_draw.c.

References draw_horizontal_scale_indicators(), NULL, view2d_major_step_x__discrete(), and view_to_string__frame_number().

Referenced by UI_view2d_draw_scale_x__discrete_frames_or_seconds().

◆ UI_view2d_draw_scale_x__frames_or_seconds()

void UI_view2d_draw_scale_x__frames_or_seconds ( const struct ARegion *  region,
const struct View2D *  v2d,
const struct rcti *  rect,
const struct Scene *  scene,
bool  display_seconds,
int  colorid 
)

Definition at line 575 of file view2d_draw.c.

References scene, UI_view2d_draw_scale_x__discrete_time(), and UI_view2d_draw_scale_x__values().

Referenced by ED_time_scrub_draw().

◆ UI_view2d_draw_scale_x__values()

static void UI_view2d_draw_scale_x__values ( const ARegion *  region,
const View2D *  v2d,
const rcti *  rect,
int  colorid 
)
static

Definition at line 532 of file view2d_draw.c.

References draw_horizontal_scale_indicators(), NULL, view2d_major_step_x__continuous(), and view_to_string__value().

Referenced by UI_view2d_draw_scale_x__frames_or_seconds().

◆ UI_view2d_draw_scale_y__block()

void UI_view2d_draw_scale_y__block ( const ARegion *  region,
const View2D *  v2d,
const rcti *  rect,
int  colorid 
)

Definition at line 551 of file view2d_draw.c.

References draw_vertical_scale_indicators(), NULL, and view_to_string__value().

◆ UI_view2d_draw_scale_y__values()

void UI_view2d_draw_scale_y__values ( const ARegion *  region,
const View2D *  v2d,
const rcti *  rect,
int  colorid 
)

Definition at line 541 of file view2d_draw.c.

References draw_vertical_scale_indicators(), NULL, view2d_major_step_y__continuous(), and view_to_string__value().

◆ UI_view2d_grid_resolution_x__frames_or_seconds()

float UI_view2d_grid_resolution_x__frames_or_seconds ( const struct View2D *  v2d,
const struct Scene *  scene,
bool  display_seconds 
)

Definition at line 445 of file view2d_draw.c.

References scene, view2d_major_step_x__continuous(), and view2d_major_step_x__time().

Referenced by snap_increment_apply().

◆ UI_view2d_grid_resolution_y__values()

float UI_view2d_grid_resolution_y__values ( const struct View2D *  v2d)

Definition at line 455 of file view2d_draw.c.

References view2d_major_step_y__continuous().

Referenced by snap_increment_apply().

◆ view2d_draw_lines()

static void view2d_draw_lines ( const View2D *  v2d,
float  major_distance,
bool  display_minor_lines,
char  direction 
)
static

Definition at line 258 of file view2d_draw.c.

References ParallelLinesSet::distance, ParallelLinesSet::offset, TH_GRID, UI_GetThemeColor3ubv(), UI_GetThemeColorShade3ubv(), and view2d_draw_lines_internal().

Referenced by UI_view2d_draw_lines_x__discrete_time(), UI_view2d_draw_lines_x__discrete_values(), UI_view2d_draw_lines_x__values(), and UI_view2d_draw_lines_y__values().

◆ view2d_draw_lines_internal()

static void view2d_draw_lines_internal ( const View2D *  v2d,
const ParallelLinesSet *  lines,
const uchar  color[3],
char  direction 
)
static

Definition at line 247 of file view2d_draw.c.

References View2D::cur, draw_parallel_lines(), GPU_matrix_pop_projection(), GPU_matrix_push_projection(), View2D::mask, and UI_view2d_view_ortho().

Referenced by view2d_draw_lines().

◆ view2d_major_step_x__continuous()

static float view2d_major_step_x__continuous ( const View2D *  v2d)
static

Definition at line 96 of file view2d_draw.c.

References ARRAY_SIZE, BLI_rctf_size_x(), BLI_rcti_size_x(), continuous_value_scales, View2D::cur, View2D::mask, and select_major_distance().

Referenced by UI_view2d_draw_lines_x__values(), UI_view2d_draw_scale_x__values(), and UI_view2d_grid_resolution_x__frames_or_seconds().

◆ view2d_major_step_x__discrete()

static uint view2d_major_step_x__discrete ( const View2D *  v2d)
static

Definition at line 88 of file view2d_draw.c.

References ARRAY_SIZE, BLI_rctf_size_x(), BLI_rcti_size_x(), View2D::cur, discrete_value_scales, View2D::mask, and select_major_distance().

Referenced by UI_view2d_draw_lines_x__discrete_values(), and UI_view2d_draw_scale_x__discrete_values().

◆ view2d_major_step_x__time()

static float view2d_major_step_x__time ( const View2D *  v2d,
const Scene *  scene 
)
static

Definition at line 112 of file view2d_draw.c.

References BLI_array_append, BLI_array_free, BLI_array_len, BLI_array_staticdeclare, BLI_rctf_size_x(), BLI_rcti_size_x(), View2D::cur, distance(), FPS, View2D::mask, NULL, and select_major_distance().

Referenced by UI_view2d_draw_lines_x__discrete_time(), UI_view2d_draw_scale_x__discrete_time(), and UI_view2d_grid_resolution_x__frames_or_seconds().

◆ view2d_major_step_y__continuous()

static float view2d_major_step_y__continuous ( const View2D *  v2d)
static

Definition at line 104 of file view2d_draw.c.

References ARRAY_SIZE, BLI_rctf_size_y(), BLI_rcti_size_y(), continuous_value_scales, View2D::cur, View2D::mask, and select_major_distance().

Referenced by UI_view2d_draw_lines_y__values(), UI_view2d_draw_scale_y__values(), and UI_view2d_grid_resolution_y__values().

◆ view_to_string__frame_number()

static void view_to_string__frame_number ( void *  UNUSEDuser_data,
float  v2d_pos,
float   UNUSEDv2d_step,
uint  max_len,
char *  r_str 
)
static

Definition at line 409 of file view2d_draw.c.

References BLI_snprintf().

Referenced by UI_view2d_draw_scale_x__discrete_values().

◆ view_to_string__time()

static void view_to_string__time ( void *  user_data,
float  v2d_pos,
float   UNUSEDv2d_step,
uint  max_len,
char *  r_str 
)
static

Definition at line 415 of file view2d_draw.c.

References BLI_timecode_string_from_time(), FPS, scene, and user_data.

Referenced by UI_view2d_draw_scale_x__discrete_time().

◆ view_to_string__value()

static void view_to_string__value ( void *  UNUSEDuser_data,
float  v2d_pos,
float  v2d_step,
uint  max_len,
char *  r_str 
)
static

Definition at line 425 of file view2d_draw.c.

References BLI_snprintf().

Referenced by UI_view2d_draw_scale_x__values(), UI_view2d_draw_scale_y__block(), and UI_view2d_draw_scale_y__values().

Variable Documentation

◆ continuous_value_scales

const float continuous_value_scales[]
static
Initial value:
= {0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2,
5, 10, 20, 50, 100, 200, 500, 1000,
2000, 5000, 10000, 20000, 50000, 100000}

Definition at line 84 of file view2d_draw.c.

Referenced by view2d_major_step_x__continuous(), and view2d_major_step_y__continuous().

◆ discrete_value_scales

const float discrete_value_scales[]
static
Initial value:
= {
1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000}

Definition at line 81 of file view2d_draw.c.

Referenced by view2d_major_step_x__discrete().

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