BLI_math_color.h File Reference

#include "BLI_math_inline.h"
#include "intern/math_color_inline.c"

Go to the source code of this file.

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 (const float rgb[3])
unsigned char	rgb_to_grayscale_byte (const unsigned char rgb[3])
float	rgb_to_luma (const float rgb[3])
unsigned char	rgb_to_luma_byte (const 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)
MINLINE void	srgb_to_linearrgb_v3_v3 (float linear[3], const float srgb[3])
MINLINE void	linearrgb_to_srgb_v3_v3 (float srgb[3], const float linear[3])
MINLINE void	srgb_to_linearrgb_v4 (float linear[4], const float srgb[4])
MINLINE void	linearrgb_to_srgb_v4 (float srgb[4], const float linear[4])
MINLINE void	srgb_to_linearrgb_predivide_v4 (float linear[4], const float srgb[4])
MINLINE void	linearrgb_to_srgb_predivide_v4 (float srgb[4], const float linear[4])
void	BLI_init_srgb_conversion (void)
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	rgb_byte_to_float (const unsigned char in[3], float out[3])
void	rgb_float_to_byte (const float in[3], unsigned char out[3])
void	lift_gamma_gain_to_asc_cdl (float *lift, float *gamma, float *gain, float *offset, float *slope, float *power)

---

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_ndofedit_but_HSVCUBE(), 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

void BLI_init_srgb_conversion

(

void

)

Definition at line 547 of file math_color.c.

References BLI_color_from_srgb_table, BLI_color_to_srgb_table, hipart(), i, index_to_float(), linearrgb_to_srgb(), and srgb_to_linearrgb().

Referenced by IMB_buffer_byte_from_float(), and IMB_buffer_float_from_byte().

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

Definition at line 416 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 327 of file math_color.c.

void gamma_correct	(	float *	c,
		float	gamma
	)

Definition at line 363 of file math_color.c.

References powf.

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

Definition at line 185 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 296 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 39 of file math_color.c.

References floorf, i, and p.

Referenced by BKE_image_buf_fill_checker(), checker_board_color_fill(), Color_channel_hsv_set(), Color_hsv_set(), 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(), svm_mix_color(), svm_mix_hue(), svm_mix_sat(), svm_mix_val(), svm_node_hsv(), transformc(), ui_do_but_BLOCK(), ui_do_but_HSVCIRCLE(), ui_do_but_HSVCUBE(), ui_draw_but_HSVCIRCLE(), ui_draw_gradient(), ui_ndofedit_but_HSVCIRCLE(), ui_ndofedit_but_HSVCUBE(), 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 459 of file math_color.c.

References FLT_MAX.

float linearrgb_to_rec709

(

float

c

)

Definition at line 376 of file math_color.c.

References powf.

float linearrgb_to_srgb

(

float

c

)

Definition at line 392 of file math_color.c.

References powf.

Referenced by bake_shade(), BLI_init_srgb_conversion(), colorbalance_lgg(), imb_cocoaSaveImage(), linearrgb_to_srgb_predivide_v4(), linearrgb_to_srgb_ushort4_predivide(), linearrgb_to_srgb_v3_v3(), nodeAddToPreview(), srgb_to_linearrgb_uchar4_predivide(), ui_draw_but_HSV_v(), and ui_draw_but_HSVCIRCLE().

MINLINE void linearrgb_to_srgb_predivide_v4	(	float	srgb[4],
		const float	linear[4]
	)

Definition at line 89 of file math_color_inline.c.

References linearrgb_to_srgb().

Referenced by IMB_buffer_byte_from_byte(), IMB_buffer_float_from_byte(), and IMB_buffer_float_from_float().

MINLINE void linearrgb_to_srgb_v3_v3	(	float	srgb[3],
		const float	linear[3]
	)

Definition at line 46 of file math_color_inline.c.

References linearrgb_to_srgb().

Referenced by add_tface_color_layer(), BlenderWorldInfo::BlenderWorldInfo(), draw_tface__set_draw_legacy(), ED_image_draw_info(), ED_view3d_draw_offscreen(), gpu_material_to_fixed(), ibuftoimage(), image_new_exec(), image_sample_line_exec(), IMB_buffer_byte_from_float(), IMB_buffer_float_from_float(), imb_savetiff(), linearrgb_to_srgb_v4(), scopes_update(), ui_draw_but_COLORBAND(), ui_update_block_buts_rgb(), uiBlockPicker(), view3d_main_area_draw_objects(), and widget_swatch().

MINLINE void linearrgb_to_srgb_v4	(	float	srgb[4],
		const float	linear[4]
	)

Definition at line 59 of file math_color_inline.c.

References linearrgb_to_srgb_v3_v3().

Referenced by IMB_buffer_byte_from_byte(), IMB_buffer_float_from_byte(), and IMB_buffer_float_from_float().

void minmax_rgb

(

short

c[3]

)

float rec709_to_linearrgb

(

float

c

)

Definition at line 368 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[3],
		float	out[3]
	)

Definition at line 340 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[3],
		unsigned char	out[3]
	)

Definition at line 347 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 313 of file math_color.c.

float rgb_to_grayscale

(

const float

rgb[3]

)

Definition at line 437 of file math_color.c.

Referenced by IMB_color_to_bw(), ramp_diffuse_result(), ramp_spec_result(), and shade_lamp_loop_only_shadow().

unsigned char rgb_to_grayscale_byte

(

const unsigned char

rgb[3]

)

Definition at line 442 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 205 of file math_color.c.

References g.

Referenced by Color_channel_hsv_get(), Color_channel_hsv_set(), Color_hsv_get(), do_hue_sat_fac(), do_huecorrect(), do_huecorrect_fac(), do_rgba_to_hsva(), do_sephsva(), ED_image_draw_info(), input_preprocess(), node_composit_exec_sephsva(), ramp_blend(), rgb_float_set_hue_float_offset(), rgb_to_hsv_compat(), svm_mix_color(), svm_mix_hue(), svm_mix_sat(), svm_mix_val(), svm_node_hsv(), transformc(), ui_do_but_HSVCIRCLE(), ui_do_but_HSVCUBE(), ui_draw_but_HSV_v(), ui_get_but_val(), ui_set_but_val(), uiBlockPicker(), and weightvg_do_mask().

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

Definition at line 249 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_ndofedit_but_HSVCIRCLE(), ui_ndofedit_but_HSVCUBE(), ui_numedit_but_HSVCIRCLE(), ui_numedit_but_HSVCUBE(), ui_picker_small_wheel_cb(), and ui_update_block_buts_rgb().

float rgb_to_luma

(

const float

rgb[3]

)

Definition at line 447 of file math_color.c.

Referenced by image_sample_line_exec(), make_waveform_view_from_ibuf_float(), and scopes_update().

unsigned char rgb_to_luma_byte

(

const unsigned char

rgb[3]

)

Definition at line 452 of file math_color.c.

Referenced by image_sample_line_exec(), and make_waveform_view_from_ibuf_byte().

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

Definition at line 119 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 93 of file math_color.c.

Referenced by brightness_mean(), brightness_standard_deviation(), do_rgba_to_yuva(), do_sepyuva(), ED_image_draw_info(), fill_bins(), node_composit_exec_sepyuva(), save_sample_line(), and vectorscope_draw_target().

float srgb_to_linearrgb

(

float

c

)

Definition at line 384 of file math_color.c.

References powf.

Referenced by BLI_init_srgb_conversion(), colorbalance_lgg(), imb_save_openexr_half(), srgb_to_linearrgb_predivide_v4(), srgb_to_linearrgb_v3_v3(), ui_ndofedit_but_HSVCUBE(), and ui_numedit_but_HSVCUBE().

MINLINE void srgb_to_linearrgb_predivide_v4	(	float	linear[4],
		const float	srgb[4]
	)

Definition at line 70 of file math_color_inline.c.

References srgb_to_linearrgb().

Referenced by IMB_buffer_byte_from_byte(), IMB_buffer_byte_from_float(), and IMB_buffer_float_from_float().

MINLINE void srgb_to_linearrgb_v3_v3	(	float	linear[3],
		const float	srgb[3]
	)

Definition at line 39 of file math_color_inline.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(), IMB_buffer_byte_from_float(), IMB_buffer_float_from_float(), multitex_nodes(), shade_input_set_shade_texco(), shade_input_set_strand_texco(), and srgb_to_linearrgb_v4().

MINLINE void srgb_to_linearrgb_v4	(	float	linear[4],
		const float	srgb[4]
	)

Definition at line 53 of file math_color_inline.c.

References srgb_to_linearrgb_v3_v3().

Referenced by IMB_buffer_byte_from_byte(), IMB_buffer_byte_from_float(), and IMB_buffer_float_from_float().

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

Definition at line 271 of file math_color.c.

References BLI_XYZ_CIE, BLI_XYZ_REC709_SRGB, and BLI_XYZ_SMPTE.

Referenced by shadeSunView(), and sky_radiance().

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

Definition at line 157 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 105 of file math_color.c.

References g.

Referenced by do_comb_yuva(), and do_yuva_to_rgba().