Blender  V2.59
Defines | Functions
BLI_math_color.h File Reference
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Defines

#define BLI_XYZ_SMPTE   0
#define BLI_XYZ_REC709_SRGB   1
#define BLI_XYZ_CIE   2
#define BLI_PR_NONE   0
#define BLI_PR_SRGB   1
#define BLI_PR_REC709   2
#define BLI_YCC_ITU_BT601   0
#define BLI_YCC_ITU_BT709   1
#define BLI_YCC_JFIF_0_255   2

Functions

void hsv_to_rgb (float h, float s, float v, float *r, float *g, float *b)
void hex_to_rgb (char *hexcol, float *r, float *g, float *b)
void yuv_to_rgb (float y, float u, float v, float *lr, float *lg, float *lb)
void ycc_to_rgb (float y, float cb, float cr, float *lr, float *lg, float *lb, int colorspace)
void xyz_to_rgb (float x, float y, float z, float *r, float *g, float *b, int colorspace)
void cpack_to_rgb (unsigned int col, float *r, float *g, float *b)
void rgb_to_yuv (float r, float g, float b, float *ly, float *lu, float *lv)
void rgb_to_ycc (float r, float g, float b, float *ly, float *lcb, float *lcr, int colorspace)
void rgb_to_hsv (float r, float g, float b, float *lh, float *ls, float *lv)
void rgb_to_hsv_compat (float r, float g, float b, float *lh, float *ls, float *lv)
unsigned int rgb_to_cpack (float r, float g, float b)
unsigned int hsv_to_cpack (float h, float s, float v)
float rgb_to_grayscale (float rgb[3])
unsigned char rgb_to_grayscale_byte (unsigned char rgb[3])
void gamma_correct (float *c, float gamma)
float rec709_to_linearrgb (float c)
float linearrgb_to_rec709 (float c)
float srgb_to_linearrgb (float c)
float linearrgb_to_srgb (float c)
void srgb_to_linearrgb_v3_v3 (float *col_to, float *col_from)
void linearrgb_to_srgb_v3_v3 (float *col_to, float *col_from)
void srgb_to_linearrgb_rgba_buf (float *col, int tot)
void linearrgb_to_srgb_rgba_buf (float *col, int tot)
void srgb_to_linearrgb_rgba_rgba_buf (float *col_to, float *col_from, int tot)
void linearrgb_to_srgb_rgba_rgba_buf (float *col_to, float *col_from, int tot)
int constrain_rgb (float *r, float *g, float *b)
void minmax_rgb (short c[3])
void rgb_float_set_hue_float_offset (float *rgb, float hue_offset)
void rgb_byte_set_hue_float_offset (unsigned char *rgb, float hue_offset)
void lift_gamma_gain_to_asc_cdl (float *lift, float *gamma, float *gain, float *offset, float *slope, float *power)
void rgb_byte_to_float (const unsigned char *in, float *out)
void rgb_float_to_byte (const float *in, unsigned char *out)

Detailed Description

Definition in file BLI_math_color.h.

Define Documentation

#define BLI_PR_NONE   0

Definition at line 45 of file BLI_math_color.h.

Referenced by do_hex_rna_cb(), ui_block_func_COL(), ui_draw_but_COLORBAND(), ui_draw_but_HSV_v(), ui_draw_but_HSVCIRCLE(), ui_numedit_but_HSVCUBE(), ui_update_block_buts_rgb(), uiBlockPicker(), and widget_swatch().

#define BLI_PR_REC709   2

Definition at line 47 of file BLI_math_color.h.

#define BLI_PR_SRGB   1

Definition at line 46 of file BLI_math_color.h.

#define BLI_XYZ_CIE   2

Definition at line 42 of file BLI_math_color.h.

Referenced by add_lamp(), and xyz_to_rgb().

#define BLI_XYZ_REC709_SRGB   1

Definition at line 41 of file BLI_math_color.h.

Referenced by xyz_to_rgb().

#define BLI_XYZ_SMPTE   0

Definition at line 40 of file BLI_math_color.h.

Referenced by xyz_to_rgb().

#define BLI_YCC_ITU_BT601   0

Definition at line 50 of file BLI_math_color.h.

Referenced by do_comb_ycca_601(), do_normalized_rgba_to_ycca2(), do_normalized_ycca_to_rgba2(), do_rgba_to_ycca(), do_rgba_to_ycca_normalized(), do_sepycca_601(), do_ycca_to_rgba(), do_ycca_to_rgba_normalized(), node_composit_exec_combycca(), node_composit_exec_sepycca(), rgb_to_ycc(), scopes_update(), and ycc_to_rgb().

#define BLI_YCC_ITU_BT709   1

Definition at line 51 of file BLI_math_color.h.

Referenced by do_comb_ycca_709(), do_sepycca_709(), node_composit_exec_combycca(), node_composit_exec_sepycca(), rgb_to_ycc(), scopes_update(), and ycc_to_rgb().

#define BLI_YCC_JFIF_0_255   2

Definition at line 52 of file BLI_math_color.h.

Referenced by do_comb_ycca_jfif(), do_sepycca_jfif(), node_composit_exec_combycca(), node_composit_exec_sepycca(), rgb_to_ycc(), scopes_update(), and ycc_to_rgb().

Function Documentation

int constrain_rgb ( float *  r,
float *  g,
float *  b 
)

Definition at line 465 of file math_color.c.

References g, and simple_enum_gen::w.

void cpack_to_rgb ( unsigned int  col,
float *  r,
float *  g,
float *  b 
)

Definition at line 325 of file math_color.c.

void gamma_correct ( float *  c,
float  gamma 
)

Definition at line 361 of file math_color.c.

References powf.

void hex_to_rgb ( char *  hexcol,
float *  r,
float *  g,
float *  b 
)

Definition at line 183 of file math_color.c.

References CLAMP().

Referenced by do_hex_rna_cb().

unsigned int hsv_to_cpack ( float  h,
float  s,
float  v 
)

Definition at line 294 of file math_color.c.

References g, and hsv_to_rgb().

void hsv_to_rgb ( float  h,
float  s,
float  v,
float *  r,
float *  g,
float *  b 
)

Definition at line 37 of file math_color.c.

References floorf, i, and p.

Referenced by BKE_image_buf_fill_checker(), checker_board_color_fill(), Color_setChannelHSV(), Color_setHSV(), do_comb_hsva(), do_hsv_rna_cb(), do_hsva_to_rgba(), do_hue_sat_fac(), do_huecorrect(), do_huecorrect_fac(), getcolor_fcurve_rainbow(), hsv_to_cpack(), input_preprocess(), ramp_blend(), rgb_float_set_hue_float_offset(), ui_do_but_BLOCK(), ui_do_but_HSVCIRCLE(), ui_do_but_HSVCUBE(), ui_draw_but_HSVCIRCLE(), ui_draw_gradient(), ui_numedit_but_HSVCIRCLE(), ui_numedit_but_HSVCUBE(), ui_picker_small_wheel_cb(), ui_set_but_hsv(), and ui_set_but_val().

void lift_gamma_gain_to_asc_cdl ( float *  lift,
float *  gamma,
float *  gain,
float *  offset,
float *  slope,
float *  power 
)

Definition at line 498 of file math_color.c.

References FLT_MAX.

float linearrgb_to_rec709 ( float  c)

Definition at line 374 of file math_color.c.

References powf.

float linearrgb_to_srgb ( float  c)

Definition at line 390 of file math_color.c.

References powf.

Referenced by bake_shade(), colorbalance_lgg(), fill_bins(), floatbuf_to_srgb_byte(), image_buffer_rect_update(), imb_cocoaSaveImage(), IMB_convert_profile(), IMB_rect_from_float(), linearrgb_to_srgb_v3_v3(), nodeAddToPreview(), RE_ResultGet32(), ui_draw_but_HSV_v(), and ui_draw_but_HSVCIRCLE().

void linearrgb_to_srgb_rgba_buf ( float *  col,
int  tot 
)

Definition at line 421 of file math_color.c.

References linearrgb_to_srgb_v3_v3().

void linearrgb_to_srgb_rgba_rgba_buf ( float *  col_to,
float *  col_from,
int  tot 
)

Definition at line 439 of file math_color.c.

References linearrgb_to_srgb_v3_v3().

Referenced by do_render_seq(), IMB_float_profile_ensure(), and node_composit_get_image().

void linearrgb_to_srgb_v3_v3 ( float *  col_to,
float *  col_from 
)

Definition at line 405 of file math_color.c.

References linearrgb_to_srgb().

Referenced by add_tface_color_layer(), BlenderWorldInfo::BlenderWorldInfo(), draw_image_info(), draw_nodespace_color_info(), draw_tface__set_draw_legacy(), ED_view3d_draw_offscreen(), fill_bins(), gpu_material_to_fixed(), image_new_exec(), IMB_partial_rect_from_float(), linearrgb_to_srgb_rgba_buf(), linearrgb_to_srgb_rgba_rgba_buf(), sample_line_exec(), scopes_update(), ui_draw_but_COLORBAND(), ui_update_block_buts_rgb(), uiBlockPicker(), view3d_main_area_draw(), and widget_swatch().

void minmax_rgb ( short  c[3])
float rec709_to_linearrgb ( float  c)

Definition at line 366 of file math_color.c.

References powf.

void rgb_byte_set_hue_float_offset ( unsigned char *  rgb,
float  hue_offset 
)

Referenced by get_seq_color3ubv().

void rgb_byte_to_float ( const unsigned char *  in,
float *  out 
)

Definition at line 338 of file math_color.c.

Referenced by acf_generic_channel_color(), input_preprocess(), and rgb_byte_set_hue_float_offset().

void rgb_float_set_hue_float_offset ( float *  rgb,
float  hue_offset 
)

Referenced by rgb_byte_set_hue_float_offset().

void rgb_float_to_byte ( const float *  in,
unsigned char *  out 
)

Definition at line 345 of file math_color.c.

References g.

Referenced by draw_new_particle_system(), draw_object(), draw_pose_bones(), drawRBpivot(), get_seq_color3ubv(), input_preprocess(), and rgb_byte_set_hue_float_offset().

unsigned int rgb_to_cpack ( float  r,
float  g,
float  b 
)

Definition at line 311 of file math_color.c.

float rgb_to_grayscale ( float  rgb[3])

Definition at line 486 of file math_color.c.

Referenced by IMB_color_to_bw(), and shade_lamp_loop_only_shadow().

unsigned char rgb_to_grayscale_byte ( unsigned char  rgb[3])

Definition at line 491 of file math_color.c.

Referenced by IMB_color_to_bw().

void rgb_to_hsv ( float  r,
float  g,
float  b,
float *  lh,
float *  ls,
float *  lv 
)

Definition at line 203 of file math_color.c.

References g.

Referenced by Color_getChannelHSV(), Color_getHSV(), Color_setChannelHSV(), do_hue_sat_fac(), do_huecorrect(), do_huecorrect_fac(), do_rgba_to_hsva(), do_sephsva(), draw_image_info(), draw_nodespace_color_info(), input_preprocess(), node_composit_exec_sephsva(), ramp_blend(), rgb_float_set_hue_float_offset(), rgb_to_hsv_compat(), ui_do_but_HSVCIRCLE(), ui_do_but_HSVCUBE(), ui_draw_but_HSV_v(), ui_get_but_val(), ui_set_but_val(), and uiBlockPicker().

void rgb_to_hsv_compat ( float  r,
float  g,
float  b,
float *  lh,
float *  ls,
float *  lv 
)

Definition at line 247 of file math_color.c.

References rgb_to_hsv().

Referenced by ui_do_but_BLOCK(), ui_do_but_HSVCIRCLE(), ui_do_but_HSVCUBE(), ui_draw_but_HSVCIRCLE(), ui_draw_but_HSVCUBE(), ui_numedit_but_HSVCIRCLE(), ui_numedit_but_HSVCUBE(), ui_picker_small_wheel_cb(), and ui_update_block_buts_rgb().

void rgb_to_ycc ( float  r,
float  g,
float  b,
float *  ly,
float *  lcb,
float *  lcr,
int  colorspace 
)

Definition at line 117 of file math_color.c.

References assert, BLI_YCC_ITU_BT601, BLI_YCC_ITU_BT709, BLI_YCC_JFIF_0_255, and g.

Referenced by do_normalized_rgba_to_ycca2(), do_rgba_to_ycca(), do_rgba_to_ycca_normalized(), do_sepycca_601(), do_sepycca_709(), do_sepycca_jfif(), node_composit_exec_sepycca(), and scopes_update().

void rgb_to_yuv ( float  r,
float  g,
float  b,
float *  ly,
float *  lu,
float *  lv 
)

Definition at line 91 of file math_color.c.

Referenced by brightness_mean(), brightness_standard_deviation(), do_rgba_to_yuva(), do_sepyuva(), draw_image_info(), draw_nodespace_color_info(), fill_bins(), make_vectorscope_view_from_ibuf_byte(), make_vectorscope_view_from_ibuf_float(), node_composit_exec_sepyuva(), save_sample_line(), vectorscope_draw_target(), and vectorscope_put_cross().

float srgb_to_linearrgb ( float  c)

Definition at line 382 of file math_color.c.

References powf.

Referenced by colorbalance_lgg(), IMB_convert_profile(), imb_float_from_rect_linear(), imb_save_openexr_half(), srgb_to_linearrgb_v3_v3(), and ui_numedit_but_HSVCUBE().

void srgb_to_linearrgb_rgba_buf ( float *  col,
int  tot 
)

Definition at line 413 of file math_color.c.

References srgb_to_linearrgb_v3_v3().

void srgb_to_linearrgb_rgba_rgba_buf ( float *  col_to,
float *  col_from,
int  tot 
)

Definition at line 429 of file math_color.c.

References srgb_to_linearrgb_v3_v3().

Referenced by do_render_seq(), IMB_float_profile_ensure(), and node_composit_get_image().

void srgb_to_linearrgb_v3_v3 ( float *  col_to,
float *  col_from 
)

Definition at line 398 of file math_color.c.

References srgb_to_linearrgb().

Referenced by brush_imbuf_new(), do_halo_tex(), do_hex_rna_cb(), do_lamp_tex(), do_material_tex(), do_projectpaint_draw_f(), do_sky_tex(), do_versions(), eyedropper_sample(), multitex_nodes(), shade_input_set_shade_texco(), shade_input_set_strand_texco(), srgb_to_linearrgb_rgba_buf(), and srgb_to_linearrgb_rgba_rgba_buf().

void xyz_to_rgb ( float  x,
float  y,
float  z,
float *  r,
float *  g,
float *  b,
int  colorspace 
)

Definition at line 269 of file math_color.c.

References BLI_XYZ_CIE, BLI_XYZ_REC709_SRGB, and BLI_XYZ_SMPTE.

Referenced by shadeSunView().

void ycc_to_rgb ( float  y,
float  cb,
float  cr,
float *  lr,
float *  lg,
float *  lb,
int  colorspace 
)

Definition at line 155 of file math_color.c.

References assert, BLI_YCC_ITU_BT601, BLI_YCC_ITU_BT709, BLI_YCC_JFIF_0_255, and g.

Referenced by do_comb_ycca_601(), do_comb_ycca_709(), do_comb_ycca_jfif(), do_normalized_ycca_to_rgba2(), do_ycca_to_rgba(), do_ycca_to_rgba_normalized(), and node_composit_exec_combycca().

void yuv_to_rgb ( float  y,
float  u,
float  v,
float *  lr,
float *  lg,
float *  lb 
)

Definition at line 103 of file math_color.c.

References g.

Referenced by do_comb_yuva(), and do_yuva_to_rgba().

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